@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700&family=Open+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

html, body {
  width: 100%;
  overflow-x: hidden;
}
body {
  font-family: "Open Sans", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
  font-family: "Montserrat", "Open Sans", Helvetica, Arial, sans-serif;
}
.card { border-radius: 16px; }

/* Chat widget (teacher/admin only) */
.chat-widget{
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 1050;
}
body.fe-fullscreen .chat-widget{
  z-index: 1070;
}
.chat-fab{
  width: 56px;
  height: 56px;
  border-radius: 999px;
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0ea5a4, #0f766e);
  color: #fff;
  box-shadow: 0 14px 30px rgba(14, 116, 110, 0.35);
  transition: transform .2s ease, box-shadow .2s ease;
}
.chat-fab-tool{
  position: absolute;
  right: 68px;
  bottom: 0;
  width: 46px;
  height: 46px;
  border-radius: 16px;
  background: linear-gradient(135deg, #0ea5e9, #2563eb);
  box-shadow: 0 12px 26px rgba(37, 99, 235, 0.35);
}
.chat-fab-tool.is-active{
  background: linear-gradient(135deg, #f97316, #ea580c);
  box-shadow: 0 12px 26px rgba(234, 88, 12, 0.35);
}
.chat-fab:hover{
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(14, 116, 110, 0.42);
}
.chat-fab .chat-unread{
  position: absolute;
  top: -4px;
  right: -2px;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 999px;
  background: #dc2626;
  color: #fff;
  font-size: 11px;
  line-height: 20px;
  text-align: center;
  border: 2px solid #fff;
  display: none;
}
.chat-panel{
  position: absolute;
  right: 0;
  bottom: 72px;
  width: min(520px, calc(100vw - 48px));
  height: min(620px, calc(100vh - 140px));
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 20px;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.25);
  display: none;
  overflow: hidden;
}
.chat-panel.is-open{ display: flex; flex-direction: column; }
.chat-header{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: linear-gradient(180deg, rgba(14,165,164,.15), rgba(255,255,255,0));
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}
.chat-title{
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: #0f172a;
}
.chat-min{
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: #fff;
  border-radius: 10px;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.chat-body{
  display: grid;
  grid-template-columns: 200px 1fr;
  height: 100%;
  min-height: 0;
}
.chat-sidebar{
  border-right: 1px solid rgba(15, 23, 42, 0.06);
  background: #f8fafc;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 0;
  position: relative;
}
.chat-sidebar-header{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  background: #f8fafc;
}
.chat-sidebar-title{
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #64748b;
}
.chat-sidebar-btn{
  width: 28px;
  height: 28px;
  border-radius: 8px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: #ffffff;
  color: #0f766e;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.chat-sidebar-btn:hover{
  background: #eef2f7;
}
.chat-sidebar-body{
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}
.chat-section{
  padding: 8px 0;
}
.chat-section-title{
  padding: 4px 12px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #94a3b8;
}
.chat-section-list{
  display: flex;
  flex-direction: column;
}
.chat-sidebar-panel{
  position: absolute;
  inset: 0;
  background: #ffffff;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.2s ease;
  z-index: 2;
}
.chat-sidebar-panel.is-open{
  transform: translateX(0);
}
.chat-sidebar-panel-header{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  background: #f8fafc;
}
.chat-sidebar-panel-title{
  font-size: 13px;
  font-weight: 700;
  color: #0f172a;
}
.chat-sidebar-panel-body{
  flex: 1;
  overflow-y: auto;
}
.chat-sidebar-empty{
  padding: 12px;
  font-size: 12px;
  color: #64748b;
  text-align: center;
}
.chat-thread{
  padding: 10px 12px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.05);
  cursor: pointer;
}
.chat-thread.active{ background: #e2f5f4; }
.chat-thread .name{
  font-size: 13px;
  font-weight: 600;
  color: #0f172a;
}
.chat-thread .meta{
  font-size: 11px;
  color: #64748b;
}
.chat-thread .badge{
  background: #dc2626;
}
.chat-main{
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}
.chat-messages{
  flex: 1;
  padding: 14px;
  overflow: auto;
  background:
    radial-gradient(circle at 10% 10%, rgba(14,165,164,.08), transparent 45%),
    radial-gradient(circle at 90% 20%, rgba(59,130,246,.08), transparent 45%),
    #fff;
}
.chat-empty{
  color: #64748b;
  font-size: 13px;
  text-align: center;
  margin-top: 40px;
}
.chat-row{
  display: flex;
  margin-bottom: 10px;
}
.chat-row.me{ justify-content: flex-end; }
.chat-bubble{
  max-width: 80%;
  padding: 8px 12px;
  border-radius: 14px;
  font-size: 12px;
  line-height: 1.3;
  background: #f1f5f9;
  color: #0f172a;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: anywhere;
}
.chat-row.me .chat-bubble{
  background: #0f766e;
  color: #fff;
}
.chat-time{
  font-size: 10px;
  color: #94a3b8;
  margin-top: 4px;
  text-align: right;
}
.chat-input{
  display: flex;
  gap: 10px;
  padding: 12px;
  border-top: 1px solid rgba(15, 23, 42, 0.06);
  background: #fff;
  align-items: center;
  flex-wrap: wrap;
  position: relative;
}
.chat-lock{
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  margin: 0 12px 10px;
  border-radius: 14px;
  background: #fff7ed;
  border: 1px solid rgba(251, 146, 60, 0.25);
  color: #9a3412;
  font-size: 12px;
}
.chat-lock-icon{
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: #ffedd5;
  color: #c2410c;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}
.chat-lock-title{
  font-weight: 600;
  margin-bottom: 2px;
}
.chat-lock-text{
  font-size: 11px;
  color: #9a3412;
  margin-bottom: 6px;
}
.chat-lock .btn{
  border-radius: 999px;
  font-size: 11px;
  padding: 2px 10px;
}
.chat-input-main{
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: #f8fafc;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
  min-height: 52px;
  width: 100%;
  transition: opacity .2s ease;
}
.chat-input.is-disabled .chat-input-main,
.chat-input.is-disabled .chat-recording,
.chat-input.is-disabled .chat-send-btn{
  display: none;
}
.chat-input.is-disabled{
  padding-top: 6px;
  padding-bottom: 6px;
}
.chat-input.is-recording .chat-attach-meta,
.chat-input.is-recording .chat-attach-error{
  display: none;
}
.chat-input.is-recording .chat-send-record{
  display: inline-flex;
}
.chat-input.is-recording .chat-send-btn:not(.chat-send-record){
  display: none;
}
.chat-recording{
  position: absolute;
  left: 12px;
  right: 12px;
  top: 12px;
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: nowrap;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: #f8fafc;
  min-height: 52px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
}
.chat-input.is-recording .chat-recording{
  opacity: 1;
  pointer-events: auto;
}
.chat-input.is-recording .chat-input-main{
  opacity: 0;
  pointer-events: none;
}
.chat-recording-trash{
  width: 38px;
  height: 38px;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: #fff;
  color: #ef4444 !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}
.chat-recording-trash:hover{
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.12);
  background: #f1f5f9;
}
.chat-recording-body{
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}
.chat-recording-time{
  font-weight: 600;
  font-size: 13px;
  color: #0f172a;
  /* min-width: 54px; */
  min-width: 35px;
  font-variant-numeric: tabular-nums;
}
.chat-recording-wave{
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  flex: 1;
  height: 32px;
}
.chat-recording-wave span{
  width: 3px;
  height: 18px;
  border-radius: 999px;
  background: #64748b;
  animation: chatWave 1.2s ease-in-out infinite;
  opacity: 0.9;
}
.chat-recording-wave span:nth-child(3n){
  height: 26px;
  animation-delay: .1s;
}
.chat-recording-wave span:nth-child(4n){
  height: 32px;
  animation-delay: .2s;
}
.chat-recording-wave span:nth-child(5n){
  height: 22px;
  animation-delay: .3s;
}
.chat-recording-pulse{
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #ef4444;
  box-shadow: 0 0 0 6px rgba(239, 68, 68, 0.18);
  animation: chatRecordPulse 1.2s ease infinite;
  flex: 0 0 auto;
}
.chat-input.is-recording .chat-send-record{
  width: 38px;
  height: 38px;
  border-radius: 12px;
  padding: 0;
  align-items: center;
  justify-content: center;
  background: #fff;
  color: #0f766e;
  border: 1px solid rgba(15, 23, 42, 0.12);
  box-shadow: none;
  flex: 0 0 auto;
}
.chat-input.is-recording .chat-send-record:hover{
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.12);
  background: #f1f5f9;
}
.chat-attach-btn{
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: #fff;
  color: #0f766e;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.chat-attach-btn:hover{
  background: #f1f5f9;
}
.chat-attach-input{ display: none; }
.chat-record-btn{
  width: 38px;
  height: 38px;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: #fff;
  color: #0f766e;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.chat-record-btn:hover{
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.12);
}
.chat-record-btn.is-recording{
  background: #ef4444;
  color: #fff;
  border-color: rgba(239, 68, 68, 0.4);
  box-shadow: 0 0 0 6px rgba(239, 68, 68, 0.12);
  animation: chatRecordPulse 1.2s ease infinite;
}
.chat-attach-clear{
  width: 38px;
  height: 38px;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: #fff;
  color: #ef4444;
  display: none;
  align-items: center;
  justify-content: center;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.chat-attach-clear:hover{
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.12);
  background: #fee2e2;
}
.chat-input textarea{
  flex: 1;
  background: transparent;
  resize: none;
  min-height: 40px;
  max-height: 120px;
  padding: 6px 4px;
  border-radius: 12px;
  border: none;
  outline: none;
}
.chat-input button{
  border-radius: 12px;
  border: none;
  background: #fff;
  color: #0f766e;
  padding: 0 14px;
}
.chat-input .chat-send-inline{
  background: #fff;
  color: #0f766e;
  border: 1px solid rgba(15, 23, 42, 0.12);
}
.chat-input .chat-send-inline:hover{
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.12);
}
.chat-send-btn{
  width: 46px;
  height: 46px;
  border-radius: 50%;
  padding: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: #111827;
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.2);
}
.chat-send-inline{
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: #fff;
  color: #0f766e;
  border: 1px solid rgba(15, 23, 42, 0.12);
  box-shadow: none;
}
.chat-send-btn i{
  font-size: 16px;
}
.chat-input.has-text .chat-send-btn{
  display: inline-flex;
}
.chat-input.has-text .chat-record-btn{
  display: none;
}
.chat-input.has-text .chat-send-inline{
  display: inline-flex;
}
.chat-input.has-text .chat-send-btn:not(.chat-send-inline){
  display: none;
}
.chat-input button.chat-record-btn,
.chat-input button.chat-attach-clear{
  padding: 0;
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.12);
}
.chat-input button.chat-record-btn{
  color: #0f766e;
}
.chat-input button.chat-attach-clear{
  color: #ef4444;
}
.chat-input button.chat-record-btn.is-recording{
  background: #ef4444;
  color: #fff;
  border-color: rgba(239, 68, 68, 0.4);
}
.btn.is-loading{
  pointer-events: none;
  opacity: 0.9;
}
.btn.is-loading .btn-spinner{
  width: 14px;
  height: 14px;
  border-radius: 999px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  display: inline-block;
  vertical-align: middle;
  animation: btnSpin .7s linear infinite;
}
.btn.is-loading .btn-label{
  margin-left: 8px;
  display: inline-flex;
  align-items: center;
}
@keyframes btnSpin{
  to { transform: rotate(360deg); }
}
.chat-attach-meta{
  width: 100%;
  font-size: 11px;
  color: #64748b;
  padding-left: 12px;
  margin-top: -2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.chat-attach-error{
  width: 100%;
  font-size: 11px;
  color: #b91c1c;
  padding-left: 12px;
  margin-top: -4px;
  display: none;
}
.chat-text{ margin-bottom: 6px; }
.chat-attachment{
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.chat-audio-card{
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 12px;
  background: linear-gradient(135deg, #f8fafc, #eef2ff);
  border: 1px solid rgba(15, 23, 42, 0.08);
  height: 60px;
  width: 260px;
  max-width: 100%;
}
.chat-audio-btn{
  width: 34px;
  height: 34px;
  border-radius: 10px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: #ffffff;
  color: #0f766e;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  cursor: pointer;
}
.chat-audio-btn.is-playing{
  background: #0f766e;
  color: #ffffff;
  border-color: rgba(15, 118, 110, 0.4);
}
.chat-audio-body{
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.chat-audio-top{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-width: 0;
}
.chat-audio-title{
  display: none;
  font-size: 12px;
  font-weight: 600;
  color: #0f172a;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.chat-audio-meta-text{
  font-size: 11px;
  color: #64748b;
  white-space: nowrap;
  flex-shrink: 0;
}
.chat-audio-track{
  height: 6px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.1);
  overflow: hidden;
  cursor: pointer;
}
.chat-audio-progress{
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, #0f766e, #38bdf8);
}
.chat-audio-download{
  width: 28px;
  height: 28px;
  border-radius: 10px;
  border: 1px solid rgba(15, 23, 42, 0.18);
  background: rgba(255, 255, 255, 0.92);
  color: #0f766e;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 8px 16px rgba(15, 23, 42, 0.18);
}
.chat-audio-download:hover{
  background: #f8fafc;
  transform: translateY(-1px);
}
.chat-audio-el{
  display: none;
}
.chat-attachment-media{
  width: 200px;
  height: 120px;
  max-width: 100%;
  object-fit: contain;
  object-position: center;
  border-radius: 10px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: #f1f5f9;
  display: block;
}
img.chat-attachment-media{
  cursor: zoom-in;
}
.chat-attachment-media-wrap{
  position: relative;
  width: fit-content;
  max-width: 100%;
}
.chat-attachment-download{
  position: absolute;
  right: 8px;
  bottom: 8px;
  width: 28px;
  height: 28px;
  border-radius: 10px;
  border: 1px solid rgba(15, 23, 42, 0.18);
  background: rgba(255, 255, 255, 0.92);
  color: #0f766e;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 8px 16px rgba(15, 23, 42, 0.18);
}
.chat-attachment-download:hover{
  background: #f8fafc;
  transform: translateY(-1px);
}
.chat-attachment-audio{
  width: 220px;
  max-width: 100%;
  height: 60px;
  display: block;
}
.chat-attachment-file{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 10px;
  background: rgba(15, 23, 42, 0.06);
  color: inherit;
  text-decoration: none;
}
.chat-attachment-meta{
  display: none;
  font-size: 11px;
  color: #94a3b8;
}
.chat-attachment-meta.is-link{
  text-decoration: none;
  color: #64748b;
}
.chat-attachment-meta.is-link:hover{
  text-decoration: underline;
}
.chat-row.me .chat-attachment-file{
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}
.chat-row.me .chat-attachment-meta{
  color: rgba(255, 255, 255, 0.75);
}
.chat-row.me .chat-attachment-meta.is-link{
  color: rgba(255, 255, 255, 0.75);
}
.chat-row.me .chat-attachment-media{
  border-color: rgba(255, 255, 255, 0.25);
}
.chat-row.me .chat-audio-card{
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.25);
}
.chat-row.me .chat-audio-title{
  color: #ffffff;
}
.chat-row.me .chat-audio-meta-text{
  color: rgba(255, 255, 255, 0.75);
}
.chat-row.me .chat-audio-track{
  background: rgba(255, 255, 255, 0.2);
}
.chat-row.me .chat-audio-progress{
  background: linear-gradient(90deg, #ffffff, #d1fae5);
}
.chat-row.me .chat-audio-btn{
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
  color: #ffffff;
}
.chat-row.me .chat-audio-btn.is-playing{
  background: #ffffff;
  color: #0f766e;
}
.chat-row.me .chat-audio-download{
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
  color: #ffffff;
}

@keyframes chatRecordPulse{
  0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.55); }
  70% { box-shadow: 0 0 0 12px rgba(239, 68, 68, 0); }
  100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}
@keyframes chatWave{
  0%, 100% { transform: scaleY(0.6); opacity: 0.6; }
  50% { transform: scaleY(1.4); opacity: 1; }
}

/* Module dock (teacher) */
.module-dock{
  position: fixed;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1040;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.module-dock.right{
  left: auto;
  right: 20px;
}
.module-dock .dock-form{ margin: 0; }
.module-dock .dock-btn{
  width: 62px;
  height: 180px;
  border-radius: 22px;
  text-decoration: none;
  color: #0f172a;
  background: linear-gradient(180deg, #ffffff, #f1f5f9);
  border: 1px solid rgba(15, 23, 42, 0.12);
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  writing-mode: vertical-rl;
  text-orientation: upright;
  letter-spacing: 0.18em;
  font-size: 12px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.module-dock .dock-btn.reading{
  background: linear-gradient(180deg, #e0f2fe, #f8fafc);
  border-color: rgba(2, 132, 199, 0.25);
  color: #075985;
}
.module-dock .dock-btn.listening{
  background: linear-gradient(180deg, #ecfeff, #f0fdfa);
  border-color: rgba(13, 148, 136, 0.25);
  color: #0f766e;
}
.module-dock .dock-btn.writing{
  background: linear-gradient(180deg, #fef9c3, #fefce8);
  border-color: rgba(202, 138, 4, 0.25);
  color: #92400e;
}
.module-dock .dock-btn.speaking{
  background: linear-gradient(180deg, #ede9fe, #f5f3ff);
  border-color: rgba(109, 40, 217, 0.25);
  color: #5b21b6;
}
.module-dock .dock-btn:hover,
.module-dock .dock-btn.active{
  transform: translateY(-2px);
  box-shadow: 0 18px 34px rgba(15, 23, 42, 0.18);
  border-color: rgba(15, 23, 42, 0.22);
}
body.module-dock-collapsed .module-dock{
  transform: translateY(-50%) translateX(-55%);
  opacity: 0.65;
  filter: saturate(0.85);
  transition: transform 0.35s ease, opacity 0.25s ease, filter 0.25s ease;
}
body.module-dock-collapsed .module-dock.right{
  transform: translateY(-50%) translateX(55%);
}
body.module-dock-collapsed .module-dock:hover,
body.module-dock-collapsed .module-dock:focus-within{
  transform: translateY(-50%) translateX(0);
  opacity: 1;
  filter: none;
}

/* Calendar module */
.calendar-shell{
  --cal-ink: #0f172a;
  --cal-muted: #64748b;
  --cal-border: rgba(15, 23, 42, 0.08);
  --cal-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
  --cal-accent: #2563eb;
  --cal-accent-strong: #1d4ed8;
  display: grid;
  gap: 20px;
  padding: 28px 0 48px;
  color: var(--cal-ink);
  font-family: "Space Grotesk", "Segoe UI", Arial, sans-serif;
}
.calendar-hero{
  position: relative;
  padding: 26px 28px;
  border-radius: 28px;
  background:
    radial-gradient(circle at 12% 18%, rgba(37, 99, 235, 0.18), transparent 55%),
    radial-gradient(circle at 85% 10%, rgba(14, 116, 144, 0.16), transparent 50%),
    linear-gradient(135deg, #eff6ff 0%, #f8fafc 45%, #ecfeff 100%);
  border: 1px solid var(--cal-border);
  box-shadow: var(--cal-shadow);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}
.calendar-hero::after{
  content: "";
  position: absolute;
  right: -120px;
  bottom: -140px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.22), transparent 60%);
  pointer-events: none;
}
.calendar-hero-copy{
  display: grid;
  gap: 6px;
  max-width: 520px;
}
.calendar-kicker{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.12);
  color: var(--cal-accent-strong);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
  width: fit-content;
}
.calendar-title{
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 700;
  margin: 0;
}
.calendar-subtitle{
  margin: 0;
  color: var(--cal-muted);
}
.calendar-hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  z-index: 1;
}
.calendar-view-toggle{
  display: inline-flex;
  padding: 4px;
  background: #ffffff;
  border-radius: 999px;
  gap: 4px;
  border: 1px solid var(--cal-border);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}
.calendar-view-toggle .btn{
  border-radius: 999px;
  font-weight: 600;
  border: 0;
  background: transparent;
  color: var(--cal-muted);
  padding: 6px 14px;
}
.calendar-view-toggle .btn.is-active{
  background: linear-gradient(135deg, #2563eb, #0ea5e9);
  color: #ffffff;
  box-shadow: 0 10px 20px rgba(37, 99, 235, 0.25);
}
.calendar-nav{
  display: inline-flex;
  gap: 6px;
}
.calendar-nav .btn{
  /* border-radius: 999px;
  border: 1px solid var(--cal-border);
  background: #ffffff;
  box-shadow: 0 10px 20px rgba(15, 23, 42, 0.08); */
    border-radius: 999px;
    border: 1px solid var(--cal-border);
    background: linear-gradient(135deg, #2563eb, #0ea5e9);
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.08);
    color: white;
}
.calendar-add-btn{
  border-radius: 999px;
  padding: 7px 16px;
  font-weight: 600;
  background: linear-gradient(135deg, #2563eb, #0ea5e9);
  border: none;
  box-shadow: 0 12px 22px rgba(37, 99, 235, 0.25);
}
.calendar-header{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 16px;
  border-radius: 16px;
  border: 1px solid var(--cal-border);
  background: #ffffff;
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.06);
}
.calendar-month{
  font-size: 20px;
  font-weight: 700;
}
.calendar-legend{
  display: flex;
  gap: 12px;
  color: var(--cal-muted);
  font-size: 12px;
}
.calendar-legend-item{
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.legend-dot{
  width: 10px;
  height: 10px;
  border-radius: 999px;
  display: inline-block;
}
.legend-dot.dot-open{ background: #6366f1; }
.legend-dot.dot-done{ background: #94a3b8; }

.calendar-board-wrap{
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 18px;
}
.calendar-board{
  background: #ffffff;
  border-radius: 22px;
  border: 1px solid var(--cal-border);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.08);
  padding: 16px;
}
.calendar-weekdays{
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  margin-bottom: 8px;
}
.calendar-weekday{
  text-align: center;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: #94a3b8;
  font-weight: 700;
}
.calendar-grid{
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
}
.calendar-cell{
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 16px;
  padding: 8px;
  min-height: 130px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.calendar-cell.is-other{
  opacity: 0.5;
}
.calendar-cell.is-today{
  border-color: rgba(37, 99, 235, 0.6);
  box-shadow: 0 10px 20px rgba(37, 99, 235, 0.18);
}
.calendar-cell.is-selected{
  border-color: rgba(14, 116, 144, 0.6);
  box-shadow: 0 12px 24px rgba(14, 116, 144, 0.12);
}
.calendar-cell:hover{
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.1);
}
.calendar-cell-head{
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.calendar-date{
  font-weight: 700;
  font-size: 13px;
}
.calendar-add{
  width: 22px;
  height: 22px;
  border-radius: 999px;
  border: none;
  background: #0f172a;
  color: #fff;
  font-size: 14px;
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.calendar-cell:hover .calendar-add{
  opacity: 1;
  transform: translateY(-1px);
}
.calendar-cell-events{
  display: grid;
  gap: 6px;
}
.calendar-event{
  background: var(--event-color, #6366f1);
  color: #fff;
  border-radius: 12px;
  padding: 6px 8px;
  display: grid;
  gap: 2px;
  font-size: 11px;
  cursor: pointer;
  box-shadow: 0 6px 14px rgba(15, 23, 42, 0.12);
}
.calendar-event.is-done{
  opacity: 0.6;
  text-decoration: line-through;
}
.calendar-event-title{
  font-weight: 600;
}
.calendar-event-time{
  opacity: 0.9;
}
.calendar-more{
  border: none;
  background: transparent;
  color: #475569;
  font-size: 11px;
  text-align: left;
  padding: 0;
}
.calendar-agenda{
  display: none;
  gap: 12px;
}
.calendar-agenda-day{
  border: 1px solid var(--cal-border);
  border-radius: 16px;
  padding: 12px;
  background: #f8fafc;
  display: grid;
  gap: 10px;
}
.calendar-agenda-head{
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.calendar-agenda-date{
  font-weight: 700;
}
.calendar-agenda-list{
  display: grid;
  gap: 8px;
}
.calendar-agenda-item{
  background: #ffffff;
  border-radius: 14px;
  border: 1px solid var(--cal-border);
  padding: 10px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.calendar-agenda-item.is-done{
  opacity: 0.6;
  text-decoration: line-through;
}
.calendar-agenda-item::before{
  content: "";
  width: 6px;
  height: 34px;
  border-radius: 999px;
  background: var(--event-color, #6366f1);
}
.calendar-agenda-meta{
  flex: 1;
}
.calendar-agenda-title{
  font-weight: 600;
}
.calendar-agenda-time{
  font-size: 12px;
  color: var(--cal-muted);
}
.calendar-agenda-actions{
  display: flex;
  gap: 6px;
}
.calendar-agenda-empty{
  font-size: 12px;
  color: #94a3b8;
}
.calendar-side{
  background: #ffffff;
  border-radius: 20px;
  border: 1px solid var(--cal-border);
  padding: 16px;
  display: grid;
  gap: 14px;
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.08);
  position: sticky;
  top: 100px;
  height: fit-content;
}
.calendar-side.is-hidden{
  display: none;
}
.calendar-side-head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.calendar-side-label{
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #94a3b8;
}
.calendar-side-title{
  font-weight: 700;
  font-size: 16px;
}
.calendar-side-list{
  display: grid;
  gap: 10px;
}
.calendar-side-item{
  border: 1px solid var(--cal-border);
  border-radius: 14px;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: #f8fafc;
}
.calendar-side-item.is-done{
  opacity: 0.6;
  text-decoration: line-through;
}
.calendar-side-item::before{
  content: "";
  width: 6px;
  height: 36px;
  border-radius: 999px;
  background: var(--event-color, #6366f1);
}
.calendar-side-meta{
  flex: 1;
}
.calendar-side-title-text{
  font-weight: 600;
}
.calendar-side-time{
  font-size: 12px;
  color: var(--cal-muted);
}
.calendar-side-actions{
  display: flex;
  gap: 6px;
}
.calendar-side-empty{
  font-size: 13px;
  color: #94a3b8;
}
.calendar-modal .modal-content{
  border-radius: 20px;
}
.calendar-form-grid{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.calendar-form-group.full{
  grid-column: 1 / -1;
}
.calendar-form-group.is-disabled{
  opacity: 0.5;
}
.calendar-form-error{
  margin-top: 12px;
  font-size: 13px;
  color: #dc2626;
  display: none;
}
.calendar-toast{
  position: fixed;
  right: 20px;
  bottom: 24px;
  background: #0f172a;
  color: #fff;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 12px;
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.3);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 1200;
}
.calendar-toast.is-visible{
  opacity: 1;
  transform: translateY(0);
}
.calendar-toast.is-error{
  background: #b91c1c;
}

/* Module pages */
.module-shell{
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  align-items: start;
}
.module-sidebar{
  position: sticky;
  top: 90px;
  padding: 18px;
  border-radius: 18px;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.08);
}
.module-sidebar .module-label{
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #64748b;
}
.module-sidebar .module-title{
  font-size: 18px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 16px;
}
.module-nav{
  display: grid;
  gap: 10px;
}
.module-nav-btn{
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  background: #f8fafc;
  color: #0f172a;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.module-nav-btn.active{
  background: #0f172a;
  border-color: rgba(15, 23, 42, 0.8);
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.18);
}
.module-nav-btn:hover{
  transform: translateY(-1px);
  border-color: rgba(15, 23, 42, 0.2);
}
.module-nav-btn.cta{
  background: linear-gradient(135deg, #2563eb, #0ea5e9);
  color: #ffffff;
  border: none;
}
.module-content{
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.module-header{
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.module-filter{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px;
  border-radius: 999px;
  background: #f1f5f9;
  border: 1px solid rgba(15, 23, 42, 0.08);
}
.module-filter .filter-btn{
  border: none;
  background: transparent;
  padding: 6px 14px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 13px;
  color: #475569;
}
.module-filter .filter-btn.active{
  background: #ffffff;
  color: #0f172a;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.15);
}
.module-grid{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.module-card{
  border-radius: 18px;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  position: relative;
  isolation: isolate;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.module-card:hover{
  transform: translateY(-2px);
  box-shadow: 0 18px 32px rgba(15, 23, 42, 0.12);
}
.module-card-thumb{
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: #0f172a;
  background: linear-gradient(135deg, rgba(226, 232, 240, 0.9), rgba(241, 245, 249, 0.5));
}
.module-card-thumb.reading{
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.2), rgba(255, 255, 255, 0.9));
  color: #0369a1;
}
.module-card-thumb.listening{
  background: linear-gradient(135deg, rgba(20, 184, 166, 0.2), rgba(255, 255, 255, 0.9));
  color: #0f766e;
}
.module-card-thumb.writing{
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.22), rgba(255, 255, 255, 0.9));
  color: #b45309;
}
.module-card-body{
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.module-card-kicker{
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #94a3b8;
}
.module-card-title{
  font-size: 15px;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.3;
}
.module-card-desc{
  font-size: 12px;
  color: #64748b;
  min-height: 32px;
}
.module-card-meta{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: #475569;
}
.module-writing-grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr) 1px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}
.module-writing-col{
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}
.module-writing-divider{
  width: 1px;
  background: linear-gradient(to bottom, rgba(15, 23, 42, 0), rgba(15, 23, 42, 0.18), rgba(15, 23, 42, 0));
  border-radius: 999px;
}
.module-writing-head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-weight: 700;
}
.module-writing-title{
  font-size: 14px;
  font-weight: 800;
  color: #0f172a;
}
.module-task-grid{
  grid-template-columns: 1fr;
}
.module-task-img{
  width: 100%;
  max-height: 180px;
  object-fit: contain;
  object-position: center;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: #f8fafc;
}
.module-folder-stack{
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.module-folder,
.module-subfolder{
  border: 0;
}
.module-folder-summary,
.module-subfolder-summary{
  list-style: none;
  cursor: pointer;
  outline: none;
}
.module-folder-summary::-webkit-details-marker,
.module-subfolder-summary::-webkit-details-marker{
  display: none;
}
.module-folder-tile{
  width: 100%;
}
.module-folder-tile.is-root{
  min-height: 140px;
}
.module-folder-tile.is-subfolder{
  min-height: 120px;
}
.module-folder-tile.is-empty{
  opacity: 0.6;
}
.module-folder-body{
  margin-top: 12px;
}
.module-folder-body > .module-folder{
  margin-bottom: 12px;
}
.module-folder-body > .module-folder:last-child{
  margin-bottom: 0;
}
.module-subfolder-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 12px;
}
.module-subfolder-body{
  margin-top: 12px;
}
@media (max-width: 992px){
  .module-writing-grid{
    grid-template-columns: 1fr;
  }
  .module-writing-divider{
    display: none;
  }
}
.module-card-overlay{
  position: absolute;
  inset: 0;
  border-radius: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.88), rgba(15, 23, 42, 0.55));
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.module-card:hover .module-card-overlay,
.module-card:focus-within .module-card-overlay{
  opacity: 1;
  pointer-events: auto;
}
.module-card-overlay .module-card-btn{
  border: none;
  border-radius: 999px;
  padding: 8px 16px;
  font-weight: 700;
  background: #ffffff;
  color: #0f172a;
  box-shadow: 0 10px 20px rgba(15, 23, 42, 0.2);
}
.module-card-overlay .module-card-btn:hover{
  transform: translateY(-1px);
}
.module-card-overlay-text{
  padding: 8px 14px;
  border-radius: 999px;
  background: #ffffff;
  color: #0f172a;
  font-weight: 700;
  font-size: 13px;
  box-shadow: 0 10px 20px rgba(15, 23, 42, 0.2);
}
.module-part-card{
  cursor: pointer;
}
.module-card.is-selected{
  border-color: rgba(13, 110, 253, 0.45);
  box-shadow: 0 14px 30px rgba(13, 110, 253, 0.18);
}
.module-card-check{
  position: absolute;
  top: 10px;
  right: 10px;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #2563eb;
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.module-card.is-selected .module-card-check{
  opacity: 1;
  transform: scale(1);
}
.module-action-bar{
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 16px;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.12);
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  position: sticky;
  bottom: 10px;
  z-index: 5;
}
.module-action-bar.is-error{
  border-color: rgba(220, 38, 38, 0.4);
  box-shadow: 0 12px 26px rgba(220, 38, 38, 0.12);
}
.module-action-left{
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.module-action-title{
  font-weight: 700;
  color: #0f172a;
}
.module-action-meta{
  font-size: 13px;
  color: #475569;
}
.module-action-right{
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.module-action-hint{
  font-size: 12px;
  color: #64748b;
}
.module-action-bar.is-error .module-action-hint{
  color: #b91c1c;
}
.module-empty{
  padding: 18px;
  border-radius: 14px;
  border: 1px dashed rgba(15, 23, 42, 0.2);
  color: #64748b;
  text-align: center;
  background: #f8fafc;
}

.tasks-shell{
  --tasks-ink: #0f172a;
  --tasks-muted: #475569;
  --tasks-accent: #f97316;
  --tasks-accent-strong: #ea580c;
  --tasks-border: rgba(15, 23, 42, 0.08);
  --tasks-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
  display: grid;
  gap: 24px;
}
.tasks-hero{
  position: relative;
  padding: 32px;
  border-radius: 28px;
  background:
    radial-gradient(circle at 15% 20%, rgba(249, 115, 22, 0.18), transparent 55%),
    radial-gradient(circle at 85% 10%, rgba(14, 116, 144, 0.18), transparent 50%),
    linear-gradient(135deg, #fff7ed 0%, #eef2ff 45%, #ecfeff 100%);
  border: 1px solid var(--tasks-border);
  overflow: hidden;
}
.tasks-hero-inner{
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.tasks-kicker{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 12px;
  font-weight: 700;
  color: var(--tasks-accent-strong);
}
.tasks-title{
  margin-top: 10px;
  margin-bottom: 8px;
  font-size: clamp(28px, 3.3vw, 42px);
  font-weight: 700;
  color: var(--tasks-ink);
}
.tasks-subtitle{
  margin: 0;
  font-size: 15px;
  color: var(--tasks-muted);
}
.tasks-hero-stat{
  min-width: 180px;
  padding: 16px 18px;
  border-radius: 18px;
  background: #ffffff;
  border: 1px solid var(--tasks-border);
  box-shadow: var(--tasks-shadow);
}
.tasks-stat-label{
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--tasks-muted);
  font-weight: 700;
}
.tasks-stat-value{
  font-size: 28px;
  font-weight: 700;
  color: var(--tasks-ink);
}
.tasks-compose{
  display: grid;
  gap: 18px;
}
.tasks-compose-grid{
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: start;
}
.tasks-card{
  background: #ffffff;
  border: 1px solid var(--tasks-border);
  border-radius: 20px;
  padding: 20px;
  box-shadow: var(--tasks-shadow);
  display: grid;
  gap: 16px;
}
.tasks-card-head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.tasks-card-title{
  font-weight: 700;
  color: var(--tasks-ink);
}
.tasks-card-subtitle{
  font-size: 13px;
  color: var(--tasks-muted);
}
.tasks-badge{
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(249, 115, 22, 0.12);
  color: var(--tasks-accent-strong);
  font-weight: 600;
  font-size: 12px;
}
.tasks-form-grid{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.tasks-form-full{
  grid-column: 1 / -1;
}
.tasks-due-picker .input-group-text{
  background: #f8fafc;
  border-color: rgba(15, 23, 42, 0.12);
}
.task-file-list{
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.task-file-pill{
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: #f8fafc;
  font-size: 13px;
}
.task-file-name{
  font-weight: 600;
  color: var(--tasks-ink);
  flex: 1 1 auto;
}
.task-file-size{
  color: var(--tasks-muted);
}
.task-file-remove{
  color: #dc2626;
}
.tasks-recipient-tools{
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.tasks-recipient-count{
  font-size: 13px;
  color: var(--tasks-muted);
}
.tasks-section-title{
  font-weight: 700;
  color: var(--tasks-ink);
  margin-bottom: 8px;
}
.task-group-grid{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.task-group-pill{
  position: relative;
  display: inline-flex;
}
.task-group-pill input{
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.task-group-pill-body{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: #f8fafc;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.task-group-pill input:checked + .task-group-pill-body{
  background: var(--tasks-accent-strong);
  border-color: var(--tasks-accent-strong);
  color: #ffffff;
  box-shadow: 0 10px 22px rgba(234, 88, 12, 0.25);
}
.task-group-pill-count{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  background: rgba(249, 115, 22, 0.12);
  color: var(--tasks-accent-strong);
}
.task-group-pill input:checked + .task-group-pill-body .task-group-pill-count{
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}
.tasks-student-table{
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 16px;
  overflow: hidden;
}
.tasks-student-wrap{
  max-height: 320px;
  overflow: auto;
}
.tasks-student-table thead th{
  position: sticky;
  top: 0;
  z-index: 1;
  background: #f8fafc;
}
.tasks-compose-footer{
  display: flex;
  justify-content: flex-end;
  margin-top: 6px;
}
.tasks-list{
  display: grid;
  gap: 14px;
}
.tasks-filter-card{
  display: flex;
  align-items: flex-end;
  gap: 16px;
  flex-wrap: wrap;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--tasks-border);
  background: #ffffff;
  box-shadow: var(--tasks-shadow);
}
.tasks-filter-item{
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 200px;
}
.tasks-filter-grow{
  flex: 1 1 260px;
}
.tasks-filter-label{
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 700;
  color: var(--tasks-muted);
}
.tasks-filter-input .input-group-text{
  background: #f8fafc;
  border-color: rgba(15, 23, 42, 0.12);
  color: var(--tasks-muted);
}
.tasks-filter-input .form-control,
.tasks-filter-input .form-select{
  border-color: rgba(15, 23, 42, 0.12);
}
.tasks-filter-input .form-control:focus,
.tasks-filter-input .form-select:focus{
  border-color: rgba(249, 115, 22, 0.45);
  box-shadow: 0 0 0 0.15rem rgba(249, 115, 22, 0.2);
}
.tasks-date-label{
  font-weight: 700;
  color: var(--tasks-ink);
  margin-top: 6px;
}
.task-card{
  background: #ffffff;
  border: 1px solid var(--tasks-border);
  border-radius: 20px;
  padding: 18px 20px;
  box-shadow: var(--tasks-shadow);
}
.task-card-head{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.task-card-title{
  font-size: 18px;
  font-weight: 700;
  color: var(--tasks-ink);
}
.task-card-meta{
  font-size: 13px;
  color: var(--tasks-muted);
}
.task-card-body{
  margin-top: 10px;
  color: var(--tasks-ink);
}
.task-card-body p{
  margin: 0 0 12px 0;
}
.task-card-badge{
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.task-card.is-unseen{
  border-color: rgba(249, 115, 22, 0.4);
  box-shadow: 0 18px 40px rgba(249, 115, 22, 0.12);
}
.task-new-badge{
  background: rgba(249, 115, 22, 0.16);
  color: #c2410c;
}
.task-seen-btn{
  white-space: nowrap;
}
.task-assign-badge{
  background: rgba(15, 118, 110, 0.12);
  color: #0f766e;
}
.task-dot{
  margin: 0 6px;
}
.task-overdue{
  color: #dc2626;
  font-weight: 600;
}
.task-attachments{
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 320px));
  justify-content: start;
  align-items: start;
}
.task-attachment-card{
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 16px;
  padding: 10px;
  display: grid;
  gap: 8px;
  background: #f8fafc;
}
.task-attachment-card.is-unseen{
  border-color: rgba(249, 115, 22, 0.4);
  background: #fff7ed;
}
.task-attachment-preview{
  width: 100%;
  height: 140px;
  object-fit: contain;
  object-position: center;
  border-radius: 12px;
  background: #f1f5f9;
  display: block;
}
img.task-attachment-preview{
  cursor: zoom-in;
}
.task-attachment-audio{
  width: 100%;
}
.task-attachment-info{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.task-attachment-name{
  font-weight: 600;
  font-size: 13px;
  color: var(--tasks-ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 150px;
}
.task-attachment-meta{
  font-size: 12px;
  color: var(--tasks-muted);
}
.task-attachment-meta .task-new-badge{
  margin-left: 6px;
}
.task-attachment-actions{
  display: flex;
  justify-content: flex-end;
  gap: 6px;
}
.task-image-modal .modal-dialog{
  max-width: 960px;
}
.task-image-modal .modal-content{
  background: #0b1220;
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.16);
  box-shadow: 0 25px 60px rgba(2, 6, 23, 0.45);
}
.task-image-modal .modal-header{
  border-bottom: 1px solid rgba(148, 163, 184, 0.16);
  color: #e2e8f0;
}
.task-image-modal .modal-title{
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.02em;
}
.task-image-modal .btn-close{
  filter: invert(1);
  opacity: 0.8;
}
.task-image-modal .btn-close:hover{
  opacity: 1;
}
.task-image-modal .modal-body{
  padding: 12px;
  background: #0f172a;
  display: flex;
  align-items: center;
  justify-content: center;
}
.task-image-preview{
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 12px;
  background: #0b1220;
}
.task-replies{
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 16px;
  padding: 12px;
  background: #f8fafc;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.task-replies-head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.task-replies-title{
  font-weight: 600;
  color: var(--tasks-ink);
}
.task-replies-count{
  font-size: 12px;
  color: var(--tasks-muted);
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 999px;
  padding: 2px 8px;
  background: #fff;
}
.task-replies-list{
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.task-reply-card{
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  background: #fff;
  padding: 10px 12px;
  display: flex;
  gap: 12px;
  align-items: center;
}
.task-reply-card.is-unseen{
  border-color: rgba(249, 115, 22, 0.4);
  background: #fff7ed;
}
.task-reply-icon{
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(37, 99, 235, 0.12);
  color: #1d4ed8;
  font-size: 18px;
  flex: 0 0 auto;
}
.task-reply-body{
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}
.task-reply-title{
  font-weight: 600;
  font-size: 13px;
  color: var(--tasks-ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.task-reply-meta{
  font-size: 12px;
  color: var(--tasks-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.task-reply-dot{
  opacity: 0.5;
}
.task-reply-actions{
  display: flex;
  gap: 6px;
  align-items: center;
  flex: 0 0 auto;
}
@media (max-width: 576px){
  .task-replies-list{
    grid-template-columns: 1fr;
  }
  .task-reply-card{
    flex-direction: column;
    align-items: flex-start;
  }
  .task-reply-actions{
    width: 100%;
    justify-content: flex-end;
  }
}
.tasks-empty{
  padding: 18px;
  border-radius: 14px;
  border: 1px dashed rgba(15, 23, 42, 0.2);
  color: var(--tasks-muted);
  text-align: center;
  background: #f8fafc;
}

.attendance-shell{
  --att-ink: #0f172a;
  --att-muted: #475569;
  --att-accent: #2563eb;
  --att-accent-strong: #1d4ed8;
  --att-border: rgba(15, 23, 42, 0.08);
  --att-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
  display: grid;
  gap: 24px;
}
.attendance-hero{
  padding: 32px;
  border-radius: 28px;
  border: 1px solid var(--att-border);
  background:
    radial-gradient(circle at 12% 20%, rgba(37, 99, 235, 0.18), transparent 55%),
    radial-gradient(circle at 85% 10%, rgba(14, 116, 144, 0.18), transparent 50%),
    linear-gradient(135deg, #eff6ff 0%, #f8fafc 45%, #ecfeff 100%);
}
.attendance-hero-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.attendance-kicker{
  display: inline-flex;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 12px;
  font-weight: 700;
  color: var(--att-accent-strong);
}
.attendance-title{
  margin-top: 10px;
  margin-bottom: 8px;
  font-size: clamp(28px, 3.2vw, 42px);
  font-weight: 700;
  color: var(--att-ink);
}
.attendance-subtitle{
  margin: 0;
  font-size: 15px;
  color: var(--att-muted);
}
.attendance-hero-stat{
  min-width: 180px;
  padding: 16px 18px;
  border-radius: 18px;
  background: #ffffff;
  border: 1px solid var(--att-border);
  box-shadow: var(--att-shadow);
}
.attendance-stat-label{
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--att-muted);
  font-weight: 700;
}
.attendance-stat-value{
  font-size: 24px;
  font-weight: 700;
  color: var(--att-ink);
}

/* Generic page hero */
.page-hero{
  --hero-ink: #0f172a;
  --hero-muted: #475569;
  --hero-accent: #2563eb;
  --hero-accent-strong: #1d4ed8;
  --hero-border: rgba(15, 23, 42, 0.08);
  --hero-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
  padding: 28px;
  border-radius: 28px;
  border: 1px solid var(--hero-border);
  background:
    radial-gradient(circle at 12% 20%, rgba(37, 99, 235, 0.16), transparent 55%),
    radial-gradient(circle at 85% 10%, rgba(14, 116, 144, 0.16), transparent 50%),
    linear-gradient(135deg, #eff6ff 0%, #f8fafc 45%, #ecfeff 100%);
  box-shadow: var(--hero-shadow);
  overflow: hidden;
}
.page-hero.hero-teacher{
  --hero-accent: #2563eb;
  --hero-accent-strong: #1d4ed8;
}
.page-hero.hero-student{
  --hero-accent: #16a34a;
  --hero-accent-strong: #15803d;
  background:
    radial-gradient(circle at 12% 20%, rgba(22, 163, 74, 0.18), transparent 55%),
    radial-gradient(circle at 85% 10%, rgba(14, 116, 144, 0.16), transparent 50%),
    linear-gradient(135deg, #f0fdf4 0%, #f8fafc 45%, #ecfeff 100%);
}
.page-hero.hero-admin{
  --hero-accent: #0f766e;
  --hero-accent-strong: #0f766e;
  background:
    radial-gradient(circle at 12% 20%, rgba(15, 118, 110, 0.18), transparent 55%),
    radial-gradient(circle at 85% 10%, rgba(30, 64, 175, 0.12), transparent 50%),
    linear-gradient(135deg, #ecfeff 0%, #f8fafc 45%, #eef2ff 100%);
}
.page-hero.hero-ceo{
  --hero-accent: #d97706;
  --hero-accent-strong: #b45309;
  background:
    radial-gradient(circle at 12% 20%, rgba(217, 119, 6, 0.18), transparent 55%),
    radial-gradient(circle at 85% 10%, rgba(14, 116, 144, 0.12), transparent 50%),
    linear-gradient(135deg, #fff7ed 0%, #f8fafc 45%, #ecfeff 100%);
}
.page-hero-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.page-hero-kicker{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 12px;
  font-weight: 700;
  color: var(--hero-accent-strong);
}
.page-hero-title{
  margin-top: 10px;
  margin-bottom: 8px;
  font-size: clamp(26px, 3.1vw, 40px);
  font-weight: 700;
  color: var(--hero-ink);
}
.page-hero-subtitle{
  margin: 0;
  font-size: 15px;
  color: var(--hero-muted);
}
.page-hero-actions{
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.page-hero-actions .btn{
  border-radius: 999px;
}
@media (max-width: 576px){
  .page-hero{
    padding: 22px;
  }
  .page-hero-actions{
    width: 100%;
  }
  .page-hero-actions .btn{
    flex: 1 1 140px;
  }
}
.attendance-grid{
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}
.attendance-card{
  background: #ffffff;
  border: 1px solid var(--att-border);
  border-radius: 20px;
  padding: 20px;
  box-shadow: var(--att-shadow);
  display: grid;
  gap: 16px;
}
.attendance-card-head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.attendance-card-title{
  font-weight: 700;
  color: var(--att-ink);
}
.attendance-card-subtitle{
  font-size: 13px;
  color: var(--att-muted);
}
.attendance-badge{
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.12);
  color: var(--att-accent-strong);
  font-weight: 600;
  font-size: 12px;
}
.attendance-form-grid{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.attendance-group-alert{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 8px;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(239, 68, 68, 0.12);
  color: #dc2626;
  font-size: 11px;
  font-weight: 600;
}
.attendance-group-alert::before{
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #dc2626;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.18);
}
.attendance-schedule{
  padding: 12px;
  border-radius: 14px;
  background: #f8fafc;
  border: 1px dashed rgba(15, 23, 42, 0.12);
  display: grid;
  gap: 8px;
}
.attendance-schedule-title{
  font-weight: 700;
  font-size: 13px;
  color: var(--att-ink);
}
.attendance-day-row{
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.attendance-day-pill{
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  color: var(--att-muted);
  background: #ffffff;
}
.attendance-day-pill.is-active{
  background: rgba(37, 99, 235, 0.12);
  color: var(--att-accent-strong);
  border-color: rgba(37, 99, 235, 0.35);
}
.attendance-day-pill.is-today{
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}
.attendance-time{
  font-size: 13px;
  color: var(--att-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.attendance-summary{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.attendance-summary .label{
  font-size: 12px;
  color: var(--att-muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}
.attendance-summary .value{
  font-weight: 700;
  color: var(--att-ink);
  margin-left: 6px;
}
.attendance-callouts{
  display: grid;
  gap: 12px;
  padding: 14px;
  border-radius: 18px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: linear-gradient(140deg, rgba(248, 250, 252, 0.9), rgba(255, 255, 255, 0.95));
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.06);
}
.attendance-student-list{
  display: grid;
  gap: 10px;
  max-height: 420px;
  overflow: auto;
  padding: 6px;
  padding-right: 10px;
  border-radius: 18px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: #ffffff;
}
.attendance-student-row{
  display: grid;
  grid-template-columns: 20px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: #f8fafc;
}
.attendance-student-info{
  display: grid;
  gap: 2px;
}
.attendance-student-name{
  font-weight: 600;
  color: var(--att-ink);
}
.attendance-student-meta{
  font-size: 12px;
  color: var(--att-muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.attendance-student-group{
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: #ffffff;
  font-size: 11px;
  color: var(--att-muted);
}
.attendance-status{
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  color: var(--att-muted);
}
.attendance-status.is-present{
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.3);
  color: #059669;
}
.attendance-status.is-unmarked{
  background: rgba(148, 163, 184, 0.16);
  border-color: rgba(148, 163, 184, 0.35);
  color: #64748b;
}
.attendance-actions{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: #f8fafc;
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.06);
}
.attendance-empty{
  padding: 16px;
  border-radius: 14px;
  border: 1px dashed rgba(15, 23, 42, 0.2);
  text-align: center;
  color: var(--att-muted);
  background: #f8fafc;
}
.attendance-warning{
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(245, 158, 11, 0.35);
  background: linear-gradient(135deg, rgba(254, 243, 199, 0.9), rgba(255, 255, 255, 0.95));
  color: #92400e;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 12px 22px rgba(245, 158, 11, 0.12);
}
.attendance-warning i{
  font-size: 16px;
}
.attendance-save-btn{
  padding: 10px 18px;
  font-weight: 600;
  letter-spacing: 0.01em;
  box-shadow: 0 12px 22px rgba(37, 99, 235, 0.25);
}
.attendance-filter-grid{
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.attendance-stats{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.attendance-stats .stat{
  padding: 12px;
  border-radius: 14px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: #f8fafc;
}
.attendance-stats .label{
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--att-muted);
  font-weight: 700;
}
.attendance-stats .value{
  font-size: 20px;
  font-weight: 700;
  color: var(--att-ink);
}
.attendance-report-table{
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 16px;
  overflow: hidden;
}
.attendance-report-toolbar{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: linear-gradient(135deg, rgba(248, 250, 252, 0.9), rgba(255, 255, 255, 0.95));
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.06);
}
.attendance-report-title{
  font-weight: 700;
  color: var(--att-ink);
}
.attendance-report-range{
  font-size: 12px;
  color: var(--att-muted);
}
.attendance-report-actions{
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.attendance-report-table thead th{
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--att-muted);
  background: #f8fafc;
}
.attendance-report-table tbody tr{
  border-top: 1px solid rgba(15, 23, 42, 0.06);
}
.attendance-report-table tbody tr:hover{
  background: rgba(248, 250, 252, 0.7);
}
.attendance-report-status{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid rgba(15, 23, 42, 0.12);
  color: var(--att-muted);
  background: #ffffff;
}
.attendance-report-status.is-present{
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.3);
  color: #059669;
}
.attendance-report-status.is-absent{
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.3);
  color: #dc2626;
}
.attendance-history{
  display: grid;
  gap: 10px;
}
.attendance-history-title{
  font-weight: 700;
  color: var(--att-ink);
}
.attendance-history-list{
  display: grid;
  gap: 8px;
}
.attendance-history-row{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: #f8fafc;
}
.attendance-history-main{
  font-weight: 600;
  color: var(--att-ink);
}
.attendance-history-sub{
  font-size: 12px;
  color: var(--att-muted);
}
.attendance-history-actions{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.vocab-shell{
  --vocab-ink: #0f172a;
  --vocab-muted: #475569;
  --vocab-accent: #0f766e;
  --vocab-accent-strong: #0d9488;
  --vocab-border: rgba(15, 23, 42, 0.08);
  --vocab-shadow: 0 20px 45px rgba(15, 23, 42, 0.12);
  display: grid;
  gap: 24px;
}
.vocab-hero{
  position: relative;
  padding: 32px;
  border-radius: 28px;
  background:
    radial-gradient(circle at 18% 12%, rgba(13, 148, 136, 0.18), transparent 55%),
    radial-gradient(circle at 80% 18%, rgba(14, 116, 144, 0.18), transparent 58%),
    linear-gradient(135deg, #f8fafc 0%, #eef2ff 45%, #ecfeff 100%);
  border: 1px solid var(--vocab-border);
  overflow: hidden;
}
.vocab-hero::after{
  content: "";
  position: absolute;
  right: -140px;
  bottom: -160px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(13, 148, 136, 0.2), transparent 60%);
  pointer-events: none;
}
.vocab-hero-inner{
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.vocab-hero-copy{
  max-width: 520px;
}
.vocab-kicker{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 12px;
  font-weight: 700;
  color: var(--vocab-accent);
}
.vocab-title{
  margin-top: 10px;
  margin-bottom: 8px;
  font-size: clamp(28px, 3.2vw, 42px);
  font-weight: 700;
  color: var(--vocab-ink);
}
.vocab-subtitle{
  margin: 0;
  font-size: 15px;
  color: var(--vocab-muted);
}
.vocab-search-card{
  background: #ffffff;
  border: 1px solid var(--vocab-border);
  border-radius: 20px;
  padding: 20px;
  min-width: 320px;
  box-shadow: var(--vocab-shadow);
}
.vocab-search-card .form-label{
  font-weight: 600;
  color: var(--vocab-ink);
}
.vocab-search-row{
  display: flex;
  align-items: stretch;
  gap: 12px;
  flex-wrap: wrap;
}
.vocab-search-row .form-control{
  flex: 1 1 240px;
}
.vocab-search-btn{
  white-space: nowrap;
  box-shadow: 0 10px 24px rgba(13, 148, 136, 0.2);
}
.vocab-search-meta{
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: var(--vocab-muted);
}
.vocab-results{
  display: grid;
  gap: 18px;
}
.vocab-loading{
  display: none;
  background: #ffffff;
  border-radius: 18px;
  padding: 20px;
  border: 1px solid var(--vocab-border);
  box-shadow: var(--vocab-shadow);
  gap: 12px;
}
.vocab-skeleton{
  height: 16px;
  border-radius: 999px;
  background: linear-gradient(90deg, #eef2f7 0%, #f8fafc 45%, #eef2f7 100%);
  background-size: 180% 100%;
  animation: vocab-shimmer 1.4s ease-in-out infinite;
}
.vocab-skeleton.sm{ width: 45%; }
.vocab-skeleton.md{ width: 65%; }
.vocab-skeleton.lg{ width: 90%; height: 20px; }
.vocab-error{
  display: none;
  padding: 12px 16px;
  border-radius: 14px;
  background: #fff1f2;
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: #9f1239;
  font-weight: 600;
}
.vocab-result{
  display: grid;
  gap: 16px;
}
.vocab-result-head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}
.vocab-result-title{
  font-size: 20px;
  font-weight: 700;
  color: var(--vocab-ink);
}
.vocab-result-meta{
  font-size: 13px;
  color: var(--vocab-muted);
}
.vocab-result-actions{
  display: flex;
  align-items: center;
  gap: 10px;
}
.vocab-fav-btn{
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: #fff;
  color: #0f172a;
  border-radius: 999px;
  padding: 6px 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 13px;
  transition: all 0.2s ease;
}
.vocab-fav-btn i{
  font-size: 16px;
}
.vocab-fav-btn:hover{
  border-color: rgba(13, 148, 136, 0.4);
  color: var(--vocab-accent);
}
.vocab-fav-btn.is-active{
  background: rgba(13, 148, 136, 0.12);
  color: var(--vocab-accent);
  border-color: rgba(13, 148, 136, 0.4);
}
.vocab-favorites{
  margin-top: 24px;
}
.vocab-favorites-card{
  background: #fff;
  border: 1px solid var(--vocab-border);
  border-radius: 20px;
  padding: 20px;
  box-shadow: var(--vocab-shadow);
  display: grid;
  gap: 16px;
}
.vocab-favorites-head{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.vocab-favorites-title{
  font-size: 18px;
  font-weight: 700;
  color: var(--vocab-ink);
}
.vocab-favorites-subtitle{
  color: var(--vocab-muted);
  font-size: 13px;
}
.vocab-favorites-form{
  display: grid;
  gap: 12px;
  padding: 14px;
  border-radius: 16px;
  border: 1px dashed rgba(15, 23, 42, 0.12);
  background: rgba(15, 23, 42, 0.03);
}
.vocab-fav-search{
  display: grid;
  gap: 8px;
}
.vocab-favorites-list{
  display: grid;
  gap: 12px;
}
.vocab-favorites-empty{
  color: var(--vocab-muted);
  font-size: 13px;
}
.vocab-fav-item{
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 16px;
  padding: 14px 16px;
  display: grid;
  gap: 8px;
  background: #f8fafc;
}
.vocab-fav-word{
  font-weight: 700;
  font-size: 15px;
  color: #0f172a;
}
.vocab-fav-def{
  color: var(--vocab-muted);
  font-size: 13px;
  line-height: 1.4;
}
.vocab-fav-actions{
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.vocab-fav-action-btn{
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: #fff;
  color: #0f172a;
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.vocab-fav-action-btn.is-danger{
  border-color: rgba(239, 68, 68, 0.25);
  color: #dc2626;
  background: #fff1f2;
}
.vocab-fav-floating{
  position: fixed;
  left: 24px;
  bottom: 24px;
  z-index: 999;
}
.vocab-fav-fab{
  border: 0;
  border-radius: 999px;
  padding: 10px 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #0f766e, #14b8a6);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 16px 30px rgba(15, 118, 110, 0.28);
}
.vocab-fav-count{
  background: rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 12px;
}
.vocab-fav-backdrop{
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 998;
}
.vocab-fav-panel{
  position: fixed;
  left: 4%;/*18px;*/
  bottom: 88px;
  width: min(420px, 92vw);
  max-height: min(75vh, 640px);
  overflow: hidden;
  border-radius: 22px;
  transform: translateY(16px);
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s ease;
  z-index: 999;
}
.vocab-fav-panel .vocab-favorites-card{
  max-height: inherit;
  overflow: hidden;
}
.vocab-fav-panel .vocab-favorites-list{
  overflow-y: auto;
  max-height: 38vh;
  padding-right: 6px;
}
.vocab-fav-panel.is-open{
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.vocab-fav-panel.is-open ~ .vocab-fav-backdrop,
.vocab-fav-backdrop.is-open{
  opacity: 1;
  pointer-events: auto;
}
.vocab-fav-head-actions{
  display: flex;
  gap: 8px;
  align-items: center;
}
.vocab-fav-add-btn{
  border: 0;
  background: linear-gradient(135deg, #0ea5e9, #6366f1);
  color: #fff;
  border-radius: 999px;
  padding: 7px 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2px;
  box-shadow: 0 10px 20px rgba(37, 99, 235, 0.28);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}
.vocab-fav-add-btn .icon{
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.vocab-fav-add-btn:hover{
  filter: brightness(1.05);
  transform: translateY(-1px);
  box-shadow: 0 14px 24px rgba(37, 99, 235, 0.32);
}
.vocab-fav-add-btn:active{
  transform: translateY(0);
  box-shadow: 0 8px 16px rgba(37, 99, 235, 0.24);
}
.vocab-fav-close{
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: #fff;
  border-radius: 999px;
  padding: 6px 10px;
}
@media (max-width: 768px){
  .vocab-fav-floating{
    left: 16px;
    bottom: 16px;
  }
  .vocab-fav-panel{
    left: 0;
    bottom: 0;
    width: 100%;
    max-height: 85vh;
    border-radius: 20px 20px 0 0;
  }
}
.vocab-source-link{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(15, 118, 110, 0.2);
  color: var(--vocab-accent);
  font-weight: 600;
  font-size: 13px;
  text-decoration: none;
  background: rgba(13, 148, 136, 0.08);
}
.vocab-source-link:hover{
  background: rgba(13, 148, 136, 0.15);
  color: var(--vocab-accent);
}
.vocab-entry{
  background: #ffffff;
  border: 1px solid var(--vocab-border);
  border-radius: 18px;
  padding: 20px;
  color: var(--vocab-ink);
  box-shadow: var(--vocab-shadow);
  line-height: 1.6;
}
.vocab-entry .pagetitle{
  display: none;
}
.vocab-entry a{
  color: var(--vocab-accent);
  text-decoration: none;
  font-weight: 600;
}
.vocab-entry a:hover{
  text-decoration: underline;
}
.vocab-entry img{
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.15);
  margin: 12px 0;
}
.vocab-entry .dictentry{
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 1px dashed rgba(15, 23, 42, 0.15);
}
.vocab-entry .EXAMPLE{
  display: block;
  padding: 8px 12px;
  margin: 8px 0;
  border-radius: 10px;
  background: #f8fafc;
  border: 1px solid rgba(15, 23, 42, 0.06);
  font-size: 14px;
}
.vocab-entry .Sense{
  display: block;
  padding: 8px 0;
}
.vocab-entry .sensenum{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  margin-right: 6px;
  background: rgba(13, 148, 136, 0.12);
  color: var(--vocab-accent);
  font-weight: 700;
  font-size: 12px;
}
.vocab-entry .ColloBox{
  margin-top: 14px;
  padding: 12px;
  border-radius: 12px;
  background: #f8fafc;
  border: 1px solid rgba(15, 23, 42, 0.08);
}
.vocab-audio-btn{
  border: 1px solid rgba(13, 148, 136, 0.25);
  background: rgba(13, 148, 136, 0.12);
  color: var(--vocab-accent);
  width: 32px;
  height: 32px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0 4px;
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.vocab-audio-btn:hover{
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(13, 148, 136, 0.18);
}
.vocab-audio-btn.is-playing{
  background: var(--vocab-accent);
  color: #ffffff;
  border-color: var(--vocab-accent);
}
@keyframes vocab-shimmer{
  0%{ background-position: 200% 0; }
  100%{ background-position: -200% 0; }
}
@media (prefers-reduced-motion: reduce){
  .vocab-skeleton{
    animation: none;
  }
  .vocab-audio-btn{
    transition: none;
  }
}

@media (max-width: 992px){
  .module-dock{
    left: 12px;
    bottom: 110px;
    top: auto;
    transform: none;
  }
  .module-dock.right{
    left: auto;
    right: 12px;
  }
  body.module-dock-collapsed .module-dock,
  body.module-dock-collapsed .module-dock.right{
    transform: none;
    opacity: 1;
    filter: none;
  }
  .module-dock .dock-btn{
    width: 52px;
    height: 150px;
    font-size: 11px;
    border-radius: 18px;
  }
  .module-shell{
    grid-template-columns: 1fr;
  }
  .module-sidebar{
    position: static;
  }
  .module-nav{
    grid-template-columns: repeat(3, 1fr);
  }
  .attendance-hero-inner{
    flex-direction: column;
    align-items: flex-start;
  }
  .attendance-grid{
    grid-template-columns: 1fr;
  }
  .attendance-filter-grid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .attendance-stats{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .tasks-hero-inner{
    flex-direction: column;
    align-items: flex-start;
  }
  .tasks-compose-grid{
    grid-template-columns: 1fr;
  }
  .tasks-student-wrap{
    max-height: none;
  }
  .vocab-hero-inner{
    flex-direction: column;
    align-items: stretch;
  }
  .vocab-search-card{
    width: 100%;
    min-width: 0;
  }
  .calendar-board-wrap{
    grid-template-columns: 1fr;
  }
  .calendar-side{
    order: 2;
    position: static;
  }
  .calendar-board{
    order: 1;
  }
  .calendar-cell{
    min-height: 110px;
  }
}
@media (max-width: 576px){
  .module-dock{
    left: 8px;
    bottom: 90px;
    gap: 8px;
  }
  .module-dock.right{
    left: auto;
    right: 8px;
  }
  .module-dock .dock-btn{
    width: 46px;
    height: 130px;
    font-size: 10px;
    letter-spacing: 0.12em;
  }
  .module-nav{
    grid-template-columns: 1fr;
  }
  .module-action-bar{
    flex-direction: column;
    align-items: stretch;
  }
  .module-action-right{
    justify-content: space-between;
  }
  .calendar-hero{
    flex-direction: column;
    align-items: flex-start;
  }
  .calendar-hero-actions{
    width: 100%;
    justify-content: space-between;
  }
  .calendar-view-toggle{
    width: 100%;
    justify-content: space-between;
  }
  .calendar-cell{
    min-height: 96px;
  }
  .calendar-legend{
    width: 100%;
    justify-content: flex-start;
  }
  .attendance-hero{
    padding: 24px;
  }
  .attendance-form-grid{
    grid-template-columns: 1fr;
  }
  .attendance-filter-grid{
    grid-template-columns: 1fr;
  }
  .attendance-stats{
    grid-template-columns: 1fr;
  }
  .attendance-report-toolbar{
    flex-direction: column;
    align-items: flex-start;
  }
  .tasks-hero{
    padding: 24px;
  }
  .tasks-form-grid{
    grid-template-columns: 1fr;
  }
  .task-attachment-preview{
    height: 120px;
  }
  .vocab-hero{
    padding: 24px;
  }
  .vocab-search-row{
    flex-direction: column;
  }
  .vocab-search-btn{
    width: 100%;
  }
}
@media (max-width: 992px){
  .chat-panel{
    width: min(460px, calc(100vw - 32px));
    height: min(560px, calc(100vh - 120px));
  }
  .chat-body{
    grid-template-columns: 180px 1fr;
  }
}
@media (max-width: 768px){
  .chat-widget{
    right: 16px;
    bottom: 16px;
  }
  .chat-panel{
    position: fixed;
    inset: 12px;
    width: auto;
    height: auto;
    border-radius: 16px;
  }
  .chat-body{
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
  }
  .chat-sidebar{
    border-right: 0;
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    max-height: 240px;
  }
  .chat-main{
    min-height: 0;
  }
}
@media (max-width: 576px){
  .chat-panel{
    inset: 8px;
    border-radius: 14px;
  }
  .chat-body{
    grid-template-rows: 200px 1fr;
  }
  .chat-input textarea{
    font-size: 13px;
  }
}

/* Students all table */
.students-all-table{
  font-size: 12.5px;
}
.students-all-table .badge{
  font-size: 10.5px;
}
.students-all-actions{
  white-space: nowrap;
}
.students-all-actions .d-inline-flex{
  flex-wrap: nowrap;
  gap: 6px !important;
}
.students-all-actions .btn{
  padding: 4px 8px;
  font-size: 11.5px;
}

/* Share screen */
.share-modal .modal-content{
  border-radius: 18px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 18px 44px rgba(15, 23, 42, 0.2);
  height: 100%;
  overflow: hidden;
}
.share-modal .modal-dialog{
  max-width: 1200px;
  width: min(96vw, 1200px);
  height: min(88vh, 920px);
}
.share-modal-header{
  background:
    radial-gradient(1200px 420px at 12% -40%, rgba(59, 130, 246, 0.18), transparent 55%),
    radial-gradient(900px 420px at 90% -20%, rgba(14, 165, 233, 0.18), transparent 55%),
    linear-gradient(135deg, rgba(255,255,255,.98), rgba(248,250,252,.98));
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  padding: 14px 18px;
}
.share-modal-title{
  display: grid;
  gap: 4px;
}
.share-modal-kicker{
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .25px;
  color: #2563eb;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.share-modal-subtitle{
  font-size: 13px;
  color: #475569;
  margin: 0;
}
.share-modal-body{
  background: #f8fafc;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 0;
  overflow: hidden;
}
.share-modal-hero{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.08);
  margin-bottom: 0;
  flex-wrap: wrap;
}
.share-hero-actions{
  display: inline-flex;
  gap: 8px;
  flex-wrap: wrap;
}
.share-record-toggle{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: #0f172a;
  margin-left: auto;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: linear-gradient(135deg, rgba(241, 245, 249, 0.95), rgba(248, 250, 252, 0.95));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}
.share-record-toggle .form-check-input{
  cursor: pointer;
  width: 2.2em;
  height: 1.15em;
  margin-top: 0;
  background-color: #cbd5f5;
  border-color: rgba(59, 130, 246, 0.35);
  box-shadow: none;
  transition: all 0.2s ease;
}
.share-record-toggle.is-disabled{
  opacity: 0.6;
}
.share-record-toggle .form-check-input:checked{
  background-color: #2563eb;
  border-color: #2563eb;
}
.share-record-toggle .form-check-label{
  font-weight: 600;
  letter-spacing: 0.2px;
}
.share-record-toggle:hover{
  border-color: rgba(37, 99, 235, 0.35);
}
.share-record-pill{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.35);
  color: #0f172a;
}
.share-record-pill.hidden{
  display: none;
}
.share-record-pill .dot{
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #f87171;
  box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.25);
  animation: shareRecordPulse 1.4s ease-in-out infinite;
}
.share-record-timer{
  font-variant-numeric: tabular-nums;
}
.share-overlay .share-record-pill{
  color: #e2e8f0;
  background: rgba(59, 130, 246, 0.22);
  border-color: rgba(59, 130, 246, 0.45);
}
@keyframes shareRecordPulse{
  0%{ transform: scale(1); opacity: 0.7; }
  60%{ transform: scale(1.2); opacity: 1; }
  100%{ transform: scale(1); opacity: 0.7; }
}
.share-layout{
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 16px;
  flex: 1 1 auto;
  min-height: 0;
}
.share-panel{
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 18px;
  padding: 12px;
  display: grid;
  gap: 10px;
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.06);
  min-height: 0;
}
.share-panel-title{
  font-weight: 700;
  font-size: 13px;
  color: #0f172a;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.share-panel-title-row{
  width: 100%;
  justify-content: space-between;
}
.share-panel-title-row > span{
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.share-refresh-btn{
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: #ffffff;
  color: #475569;
  width: 30px;
  height: 30px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}
.share-refresh-btn:hover{
  color: #1d4ed8;
  border-color: rgba(37, 99, 235, 0.45);
  box-shadow: 0 6px 14px rgba(37, 99, 235, 0.18);
}
.share-refresh-btn.is-loading{
  pointer-events: none;
  opacity: 0.7;
}
.share-refresh-btn.is-loading i{
  animation: shareRefreshSpin 0.8s linear infinite;
}
@keyframes shareRefreshSpin{
  0%{ transform: rotate(0deg); }
  100%{ transform: rotate(360deg); }
}
.share-panel-left{
  min-height: 0;
}
.share-panel-main{
  display: grid;
  gap: 10px;
  grid-template-rows: auto minmax(0, 1fr) auto;
  min-height: 0;
}
.share-panel .share-log{
  margin-top: 0;
}
.share-panel .share-log-title{
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.share-panel .share-log{
  background: #f8fafc;
}
.explore-share-wrap{
  margin-bottom: 12px;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: #ffffff;
  display: grid;
  gap: 10px;
}
.explore-share-header{
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 700;
  color: #0f172a;
}
.explore-share-count{
  font-size: 12px;
  color: #64748b;
  font-weight: 600;
}
.explore-share-list{
  display: grid;
  gap: 8px;
}
.explore-share-item{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: #f8fafc;
}
.explore-share-meta{
  display: grid;
  gap: 2px;
  min-width: 0;
}
.explore-share-title{
  font-weight: 600;
  color: #0f172a;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.explore-share-sub{
  font-size: 11px;
  color: #64748b;
}
.explore-share-actions .btn{
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
}
.share-grid{
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr);
  gap: 16px;
  flex: 1 1 auto;
  align-items: stretch;
  min-height: 0;
}
.share-card{
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 16px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
}
.share-card-title{
  font-weight: 700;
  font-size: 13px;
  color: #0f172a;
}
.share-card-grow{
  min-height: 0;
}
.share-hint{
  font-size: 12px;
  color: #64748b;
}
.share-group-select{
  min-height: 160px;
}
.share-group-select option{
  padding: 6px 8px;
}
.share-inline{
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.share-divider{
  height: 1px;
  background: rgba(15, 23, 42, 0.08);
  margin: 4px 0 6px;
}
.share-mode{
  display: grid;
  gap: 8px;
}
.share-mode-option{
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: #f8fafc;
  cursor: pointer;
}
.share-mode-option .form-check-input{
  margin-top: 2px;
  cursor: pointer;
}
.share-mode-text{
  display: grid;
  gap: 2px;
}
.share-mode-title{
  font-weight: 600;
  font-size: 13px;
  color: #0f172a;
}
.share-mode-desc{
  font-size: 11px;
  color: #64748b;
}
.share-mode-option input:checked + .share-mode-text .share-mode-title{
  color: #1d4ed8;
}
.share-audio-toggle{
  margin-top: 6px;
  font-size: 12px;
  color: #475569;
}
.share-inline .btn{
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
}
.share-selected{
  font-size: 12px;
  color: #475569;
}
.share-students{
  display: grid;
  gap: 8px;
  max-height: none;
  overflow: auto;
  padding-right: 4px;
  min-height: 0;
}
.share-card .share-students{
  flex: 1 1 auto;
  min-height: 0;
}
.share-student{
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: #f8fafc;
}
.share-student .form-check{
  margin: 0;
  min-width: 0;
  flex: 1 1 auto;
}
.share-student-name{
  font-weight: 600;
  font-size: 13px;
  color: #0f172a;
}
.share-student-meta{
  font-size: 10.5px;
  color: #64748b;
  display: flex;
  gap: 6px;
  flex-wrap: nowrap;
  align-items: center;
  min-width: 0;
}
.share-student-meta span:first-child{
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
  flex: 1 1 auto;
}
.share-student-meta .share-presence{
  flex: 0 0 auto;
}
.share-presence{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: #ffffff;
  color: #64748b;
}
.share-presence .dot{
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  display: inline-block;
}
.share-presence.is-online{
  color: #059669;
  border-color: rgba(16, 185, 129, 0.35);
  background: rgba(16, 185, 129, 0.12);
}
.share-presence.is-offline{
  color: #64748b;
  border-color: rgba(100, 116, 139, 0.2);
  background: rgba(148, 163, 184, 0.12);
}
.share-status-pill{
  font-size: 10.5px;
  padding: 2px 7px;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  color: #64748b;
  background: #ffffff;
}
.share-status-pill.is-live{
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.35);
  color: #059669;
}
.share-status-pill.is-warn{
  background: rgba(245, 158, 11, 0.14);
  border-color: rgba(245, 158, 11, 0.35);
  color: #92400e;
}
.share-footer{
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.share-status{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: #0f172a;
}
.share-status-dot{
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #94a3b8;
}
.share-status.is-live .share-status-dot{
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.2);
}
.share-actions{
  display: inline-flex;
  gap: 8px;
  flex-wrap: wrap;
}
.share-error{
  margin-top: 0;
  margin-bottom: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  background: #fee2e2;
  color: #b91c1c;
  border: 1px solid rgba(239, 68, 68, 0.3);
  font-size: 13px;
}
.share-log{
  margin-top: 12px;
  padding: 10px;
  border-radius: 14px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: #ffffff;
  min-height: 0;
}
.share-log-title{
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 6px;
}
.share-log-list{
  display: grid;
  gap: 6px;
  max-height: 180px;
  overflow: auto;
  font-size: 12px;
  color: #475569;
}
.share-log-item{
  padding: 6px 8px;
  border-radius: 10px;
  background: #f8fafc;
  border: 1px dashed rgba(15, 23, 42, 0.08);
}
@media (max-width: 991.98px){
  .share-layout{
    grid-template-columns: 1fr;
  }
  .share-panel-left,
  .share-panel-main{
    min-height: 0;
  }
  .share-modal .modal-dialog{
    height: min(92vh, 980px);
  }
  .share-student-meta{
    flex-wrap: wrap;
  }
}
.share-overlay{
  position: fixed;
  inset: 0;
  background: #0b1020;
  color: #ffffff;
  z-index: 2000;
  display: flex;
  flex-direction: column;
}
.share-annotate-launcher{
  position: fixed;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2305;
}
.share-annotate-launcher.is-active{
  right: 210px;
}
.share-annotate-launcher.hidden{
  display: none;
}
.share-annotate-toggle{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: #0f172a;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.25);
  font-weight: 600;
}
.share-annotate-toggle i{
  font-size: 16px;
}
.share-annotate-toggle.is-active{
  background: #ff2424;
}
.share-annotate-toggle.is-disabled{
  opacity: 0.6;
  cursor: not-allowed;
}
.share-annotate-overlay{
  position: fixed;
  inset: 0;
  padding: 24px;
  background: radial-gradient(circle at top, rgba(30, 41, 59, 0.8), rgba(2, 6, 23, 0.95));
  z-index: 2300;
  display: flex;
  align-items: center;
  justify-content: center;
}
.share-annotate-overlay.hidden{
  display: none;
}
.share-annotate-overlay.is-monitor #shareAnnotateRender{
    display: none;
  }
.share-annotate-overlay.is-monitor{
    background: transparent;
    padding: 0;
  }
.share-annotate-overlay.is-direct #shareAnnotateRender{
    display: none;
  }
.share-annotate-overlay.is-direct{
    background: transparent;
    padding: 0;
  }
.share-annotate-overlay.is-direct .share-annotate-preview{
    border: none;
    box-shadow: none;
    background: transparent;
    border-radius: 0;
  }
.share-annotate-overlay.is-monitor .share-annotate-preview{
    border: none;
    box-shadow: none;
    background: transparent;
    border-radius: 0;
  }
.share-annotate-warning{
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(15, 23, 42, 0.9);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 600;
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.35);
  z-index: 2310;
}
.share-annotate-preview{
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  background: #0b1020;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.5);
}
.share-annotate-preview canvas{
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
  }
#shareAnnotateUi{
  cursor: crosshair;
  touch-action: none;
}
.share-annotate-toolbar{
  position: fixed;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  display: none;
  gap: 8px;
  padding: 12px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(15, 23, 42, 0.15);
  box-shadow: 0 18px 36px rgba(15, 23, 42, 0.25);
  backdrop-filter: blur(12px);
  z-index: 2310;
  pointer-events: auto;
}
.share-annotate-toolbar.is-active{
  display: grid;
}
.annotate-tool{
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: #ffffff;
  border-radius: 14px;
  padding: 8px 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: #0f172a;
}
.annotate-tool i{
  font-size: 14px;
}
.annotate-tool.is-active{
  background: #0f172a;
  color: #ffffff;
  border-color: rgba(15, 23, 42, 0.6);
}
.annotate-tool.is-add{
  background: #ecfeff;
  border-color: rgba(14, 116, 144, 0.3);
  color: #0f172a;
}
.annotate-tool.is-clear{
  background: #fff1f2;
  border-color: rgba(225, 29, 72, 0.3);
  color: #9f1239;
}
.annotate-divider{
  height: 1px;
  background: rgba(15, 23, 42, 0.12);
  margin: 4px 0;
}
.annotate-control{
  display: grid;
  gap: 4px;
  font-size: 11px;
  color: #475569;
}
.annotate-control input[type="color"]{
  width: 100%;
  height: 34px;
  border-radius: 10px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  padding: 2px;
}
.annotate-control input[type="range"]{
  width: 100%;
}
.share-annotate-button-editor{
  position: absolute;
  inset: auto;
  border: 1px solid rgba(37, 99, 235, 0.4);
  border-radius: 12px;
  padding: 6px 10px;
  font-size: 14px;
  font-weight: 600;
  color: #0f172a;
  background: #ffffff;
  outline: none;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  z-index: 3;
}
.share-annotate-text-input{
  position: absolute;
  min-width: 160px;
  min-height: 40px;
  padding: 6px 8px;
  border-radius: 10px;
  border: 1px solid rgba(37, 99, 235, 0.35);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.12);
  outline: none;
  resize: both;
  background: rgba(255, 255, 255, 0.96);
  z-index: 3;
}

.share-presenter{
  position: fixed;
  inset: 0;
  z-index: 2200;
  background: #0b1224;
  display: flex;
  flex-direction: column;
}
.share-presenter.hidden{
  display: none;
}
.share-presenter-bar{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(15, 23, 42, 0.9);
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
  color: #e2e8f0;
}
.share-presenter-nav,
.share-presenter-actions{
  display: inline-flex;
  gap: 8px;
  align-items: center;
}
.share-presenter-btn{
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  background: rgba(30, 41, 59, 0.7);
  color: #e2e8f0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, background 0.2s ease;
}
.share-presenter-btn:hover{
  transform: translateY(-1px);
  background: rgba(51, 65, 85, 0.9);
}
.share-presenter-btn.is-close{
  background: #ef4444;
  border-color: rgba(239, 68, 68, 0.8);
  color: #fff;
}
.share-presenter-btn.is-close:hover{
  background: #dc2626;
}
.share-presenter-url{
  flex: 1;
  text-align: center;
  font-size: 14px;
  color: #e2e8f0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.share-presenter-body{
  flex: 1;
  background: #0f172a;
}
#sharePresenterFrame{
  width: 100%;
  height: 100%;
  border: 0;
  background: #0f172a;
}

.share-presenter-embedded #shareAnnotateLauncher{
  display: none !important;
}
.share-presenter-embedded #shareAnnotateOverlay{
  display: none !important;
}

.ic-ai-admin .ic-ai-admin-table th,
.ic-ai-admin .ic-ai-admin-table td{
  vertical-align: middle;
}
.ic-ai-admin .ic-ai-admin-table td{
  padding-top: 10px;
  padding-bottom: 10px;
}
.ic-ai-admin .ic-ai-admin-panel{
  position: sticky;
  top: 90px;
}
.ic-ai-admin .badge.text-uppercase{
  letter-spacing: 0.04em;
  font-size: 0.7rem;
}

@media (max-width: 992px){
  .ic-ai-admin .ic-ai-admin-panel{
    position: static;
  }
}

@media (max-width: 768px){
  .share-presenter-bar{
    flex-wrap: wrap;
    justify-content: center;
  }
  .share-presenter-url{
    order: 3;
    width: 100%;
  }
}
.interactive-layer{
  position: fixed;
  inset: 0;
  z-index: 2400;
  display: none;
}
.interactive-layer.is-active{
  display: block;
}
.interactive-toolbar{
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  gap: 10px;
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(15, 23, 42, 0.12);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.25);
  pointer-events: auto;
  z-index: 2401;
  backdrop-filter: blur(12px);
}
.interactive-title{
  font-weight: 700;
  font-size: 13px;
  color: #0f172a;
}
.interactive-tool{
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: #ffffff;
  border-radius: 14px;
  padding: 8px 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: #0f172a;
}
.interactive-tool i{
  font-size: 14px;
}
.interactive-tool.is-add{
  background: #ecfeff;
  border-color: rgba(14, 116, 144, 0.3);
}
.interactive-tool.is-clear{
  background: #fff1f2;
  border-color: rgba(225, 29, 72, 0.3);
  color: #9f1239;
}
.interactive-tool.is-close{
  background: #f8fafc;
}
.interactive-canvas{
  position: absolute;
  inset: 0;
}
.interactive-btn{
  position: absolute;
  padding: 8px 14px;
  min-width: 120px;
  min-height: 44px;
  border-radius: 16px;
  border: 1px solid rgba(15, 23, 42, 0.15);
  background: #ffffff;
  color: #0f172a;
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.22);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  pointer-events: auto;
  touch-action: none;
}
.interactive-btn:active{
  cursor: grabbing;
}
.interactive-btn-label{
  outline: none;
}
.interactive-btn.is-editing{
  border-color: rgba(37, 99, 235, 0.6);
  box-shadow: 0 18px 36px rgba(37, 99, 235, 0.25);
}
.interactive-btn.is-editing .interactive-btn-label{
  cursor: text;
  user-select: text;
}
.interactive-btn-remove{
  position: absolute;
  top: -8px;
  right: -8px;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  border: none;
  background: #ef4444;
  color: #ffffff;
  font-size: 14px;
  line-height: 1;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 16px rgba(239, 68, 68, 0.35);
}
.interactive-btn-handle{
  position: absolute;
  right: 6px;
  bottom: 6px;
  width: 12px;
  height: 12px;
  border-right: 2px solid rgba(15, 23, 42, 0.35);
  border-bottom: 2px solid rgba(15, 23, 42, 0.35);
  pointer-events: auto;
  cursor: nwse-resize;
}
.share-invite-toast{
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 2100;
}
.share-invite-toast.hidden{
  display: none;
}
.share-invite-card{
  min-width: 240px;
  max-width: 320px;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: #ffffff;
  color: #0f172a;
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.18);
  display: grid;
  gap: 10px;
}
.share-invite-title{
  font-weight: 700;
  font-size: 14px;
}
.share-invite-text{
  font-size: 12px;
  color: #475569;
}
.share-invite-actions{
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}
.share-overlay.hidden{
  display: none;
}
.share-overlay-bar{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(8px);
  gap: 10px;
}
.share-overlay-title{
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.share-overlay-title .label{
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.7);
}
.share-overlay-title .value{
  font-weight: 700;
  font-size: 15px;
}
.share-overlay-actions{
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.share-overlay-actions .btn{
  border-radius: 999px;
}
.share-mic-toggle.is-muted{
  background: rgba(239, 68, 68, 0.18);
  border-color: rgba(239, 68, 68, 0.45);
  color: #fee2e2;
}
.share-remote-audio{
  position: fixed;
  width: 0;
  height: 0;
  overflow: hidden;
  pointer-events: none;
}
.share-video-wrap{
  position: relative;
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
}
.share-video{
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #ffffff;
}
.share-record-modal .modal-content{
  border-radius: 18px;
  overflow: hidden;
}
.share-record-preview{
  width: 100%;
  max-height: 60vh;
  border-radius: 14px;
  background: #0f172a;
}
.share-whiteboard{
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  background: #f8fafc;
  min-height: 0;
  position: relative;
}
.share-wb-toolbar{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 14px;
  background: #ffffff;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}
.share-wb-tools,
.share-wb-actions{
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.share-wb-btn{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: #ffffff;
  color: #0f172a;
  font-size: 12px;
  font-weight: 600;
}
.share-wb-btn i{
  font-size: 14px;
}
.share-wb-btn.is-active{
  border-color: rgba(37, 99, 235, 0.45);
  background: rgba(37, 99, 235, 0.12);
  color: #1d4ed8;
}
.share-wb-btn.is-clear{
  border-color: rgba(239, 68, 68, 0.35);
  background: rgba(239, 68, 68, 0.12);
  color: #b91c1c;
}
.share-wb-btn.is-save{
  border-color: rgba(16, 185, 129, 0.35);
  background: rgba(16, 185, 129, 0.12);
  color: #047857;
}
.share-wb-btn.is-share{
  border-color: rgba(14, 116, 144, 0.35);
  background: rgba(14, 116, 144, 0.12);
  color: #0f766e;
}
.share-wb-btn.is-busy{
  opacity: 0.6;
  pointer-events: none;
}
.share-wb-toast{
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 5;
  padding: 10px 14px;
  border-radius: 14px;
  background: rgba(15, 23, 42, 0.92);
  color: #ffffff;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.3);
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 320px;
}
.share-wb-toast.is-error{
  background: rgba(220, 38, 38, 0.95);
}
.share-wb-color,
.share-wb-size{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: #475569;
}
.share-wb-color .label,
.share-wb-size .label{
  font-weight: 600;
}
.share-wb-color input,
.share-wb-size input{
  cursor: pointer;
}
.share-wb-canvas-wrap{
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  background: #ffffff;
  overflow: hidden;
}
#shareWbCanvas{
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  cursor: crosshair;
  background: #ffffff;
}
.share-wb-text-input{
  position: absolute;
  z-index: 2;
  min-width: 140px;
  min-height: 36px;
  padding: 6px 8px;
  border-radius: 10px;
  border: 1px solid rgba(37, 99, 235, 0.35);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.12);
  outline: none;
  resize: both;
  background: rgba(255, 255, 255, 0.96);
}
.share-wb-text-input:focus{
  border-color: rgba(37, 99, 235, 0.6);
}
@media (max-width: 768px){
  .share-wb-toolbar{
    flex-direction: column;
    align-items: flex-start;
  }
  .share-wb-tools,
  .share-wb-actions{
    width: 100%;
  }
  .share-invite-toast{
    left: 12px;
    right: 12px;
  }
  .share-invite-card{
    max-width: 100%;
  }
  .chat-fab-tool{
    bottom: 0;
    right: 64px;
  }
  .share-annotate-toolbar{
    right: 10px;
    top: auto;
    bottom: 12px;
    transform: none;
  }
  .share-annotate-launcher{
    right: 12px;
    top: auto;
    bottom: 12px;
    transform: none;
  }
  .share-annotate-launcher.is-active{
    right: 12px;
  }
  .interactive-toolbar{
    right: 12px;
    top: auto;
    bottom: 100px;
    transform: none;
  }
}
.share-overlay-note{
  position: absolute;
  right: 16px;
  top: 16px;
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.92);
  color: #0f172a;
  border: 1px solid rgba(15, 23, 42, 0.2);
  font-size: 12px;
  display: none;
}
.share-overlay-note.is-visible{
  display: block;
}
@media (max-width: 992px){
  .share-grid{
    grid-template-columns: 1fr;
  }
}

/* NEW: Attendance 3 (spreadsheet UI) */
.attendance3-shell{
  --att3-ink: #0f172a;
  --att3-muted: #475569;
  --att3-border: rgba(15, 23, 42, 0.08);
  --att3-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
  display: grid;
  gap: 22px;
  font-family: "Space Grotesk", "Segoe UI", Arial, sans-serif;
  color: var(--att3-ink);
}
.attendance3-hero{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  padding: 26px 30px;
  border-radius: 28px;
  background:
    radial-gradient(circle at 12% 18%, rgba(59, 130, 246, 0.15), transparent 55%),
    radial-gradient(circle at 82% 14%, rgba(16, 185, 129, 0.14), transparent 60%),
    linear-gradient(135deg, #f8fafc, #eef2ff 45%, #f0fdfa 100%);
  border: 1px solid var(--att3-border);
}
.attendance3-kicker{
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 11px;
  font-weight: 700;
  color: #2563eb;
}
.attendance3-title{
  margin: 6px 0 8px;
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 700;
}
.attendance3-subtitle{
  margin: 0;
  color: var(--att3-muted);
  font-size: 14px;
}
.attendance3-hero-date{
  background: #fff;
  border-radius: 16px;
  border: 1px solid var(--att3-border);
  padding: 12px 16px;
  min-width: 150px;
  box-shadow: var(--att3-shadow);
}
.attendance3-hero-date .label{
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--att3-muted);
}
.attendance3-hero-date .value{
  font-weight: 700;
}
.attendance3-card{
  background: #fff;
  border: 1px solid var(--att3-border);
  border-radius: 22px;
  padding: 18px 20px;
  box-shadow: var(--att3-shadow);
  display: grid;
  gap: 16px;
}
.attendance3-card-head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.attendance3-card-title{
  font-weight: 700;
  font-size: 18px;
}
.attendance3-card-subtitle{
  color: var(--att3-muted);
  font-size: 13px;
}
.attendance3-form{
  display: grid;
  gap: 14px;
}
.attendance3-toolbar{
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(180px, 240px) minmax(160px, 200px) 1fr;
  align-items: end;
}
.attendance3-field .form-control,
.attendance3-field .form-select{
  border-radius: 12px;
}
.attendance3-summary{
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: flex-start;
  background: #f8fafc;
  border-radius: 14px;
  border: 1px solid var(--att3-border);
  padding: 10px 12px;
}
.attendance3-summary .metric{
  display: grid;
  gap: 2px;
}
.attendance3-summary .label{
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--att3-muted);
}
.attendance3-summary .value{
  font-weight: 700;
}
.attendance3-actions{
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-start;
}
.attendance3-save-btn{
  border-radius: 999px;
  padding: 8px 16px;
  font-weight: 600;
}
.attendance3-warning{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 12px;
  background: rgba(249, 115, 22, 0.14);
  color: #c2410c;
  font-size: 12px;
}
.attendance3-sheet{
  border: 1px solid var(--att3-border);
  border-radius: 18px;
  overflow: hidden;
  background: #fff;
}
.attendance3-sheet-head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--att3-border);
  background: #f8fafc;
}
.attendance3-sheet-title{
  font-weight: 700;
}
.attendance3-sheet-date{
  font-size: 12px;
  color: var(--att3-muted);
}
.attendance3-sheet-wrap{
  overflow: auto;
  max-height: 520px;
}
.attendance3-table{
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  min-width: 860px;
  --att3-col-idx: 52px;
  --att3-col-id: 130px;
  --att3-col-name: 240px;
  --att3-col-score: 70px;
  --att3-col-percent: 140px;
}
.attendance3-table thead th{
  position: sticky;
  top: 0;
  background: #f8fafc;
  z-index: 3;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--att3-muted);
  padding: 10px 12px;
  border-bottom: 1px solid var(--att3-border);
  white-space: nowrap;
}
.attendance3-table thead th.att3-sticky-left,
.attendance3-table thead th.att3-sticky-right{
  z-index: 4;
}
.attendance3-table tbody td{
  padding: 12px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  background: #fff;
}
.attendance3-row:hover td{
  background: #f8fafc;
}
.att3-sticky-left{
  position: sticky;
  left: 0;
  background: inherit;
  z-index: 2;
}
.att3-sticky-right{
  position: sticky;
  right: 0;
  background: inherit;
  z-index: 2;
}
.att3-col-idx{ width: var(--att3-col-idx); left: 0; text-align: center; }
.att3-col-id{ width: var(--att3-col-id); left: var(--att3-col-idx); }
.att3-col-name{ width: var(--att3-col-name); left: calc(var(--att3-col-idx) + var(--att3-col-id)); }
.att3-col-score{ width: var(--att3-col-score); right: var(--att3-col-percent); text-align: center; }
.att3-col-percent{ width: var(--att3-col-percent); right: 0; text-align: center; }
.att3-col-date-label{
  text-align: center;
}
.att3-col-date{
  text-align: center;
  font-weight: 600;
  color: var(--att3-ink);
}
.att3-col-status{
  position: relative;
}
.attendance3-student{
  display: flex;
  align-items: center;
  gap: 10px;
}
.attendance3-student .avatar{
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: linear-gradient(135deg, #38bdf8, #6366f1);
  color: #fff;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}
.attendance3-student .info{
  display: grid;
}
.attendance3-student .name{
  font-weight: 600;
}
.attendance3-student .meta{
  font-size: 11px;
  color: var(--att3-muted);
}
.att3-input{
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.att3-badge{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  padding: 6px 10px;
  border-radius: 10px;
  border: none;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.att3-badge.is-present{
  background: rgba(37, 99, 235, 0.18);
  color: #1d4ed8;
  box-shadow: inset 0 0 0 1px rgba(37, 99, 235, 0.35);
}
.att3-badge.is-absent{
  background: rgba(239, 68, 68, 0.16);
  color: #b91c1c;
  box-shadow: inset 0 0 0 1px rgba(239, 68, 68, 0.3);
}
.att3-badge:hover{
  transform: translateY(-1px);
}
.att3-percent{
  font-weight: 700;
  color: #0f766e;
}
.attendance3-empty{
  padding: 16px;
  text-align: center;
  color: var(--att3-muted);
}
@media (max-width: 992px){
  .attendance3-toolbar{
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }
}
@media (max-width: 768px){
  .attendance3-hero{
    padding: 20px;
  }
  .attendance3-table{
    min-width: 760px;
  }
}

/* Attendance 2 (sheet view) */
.attendance2-shell{
  --att2-ink: #0f172a;
  --att2-muted: #475569;
  --att2-border: rgba(15, 23, 42, 0.08);
  --att2-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
  display: grid;
  gap: 22px;
  font-family: "Space Grotesk", "Segoe UI", Arial, sans-serif;
  color: var(--att2-ink);
}
.attendance2-hero{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  padding: 26px 30px;
  border-radius: 28px;
  background:
    radial-gradient(circle at 12% 18%, rgba(59, 130, 246, 0.15), transparent 55%),
    radial-gradient(circle at 82% 14%, rgba(16, 185, 129, 0.14), transparent 60%),
    linear-gradient(135deg, #f8fafc, #eef2ff 45%, #f0fdfa 100%);
  border: 1px solid var(--att2-border);
}
.attendance2-kicker{
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 11px;
  font-weight: 700;
  color: #2563eb;
}
.attendance2-title{
  margin: 6px 0 8px;
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 700;
}
.attendance2-subtitle{
  margin: 0;
  color: var(--att2-muted);
  font-size: 14px;
}
.attendance2-hero-date{
  background: #fff;
  border-radius: 16px;
  border: 1px solid var(--att2-border);
  padding: 12px 16px;
  min-width: 150px;
  box-shadow: var(--att2-shadow);
}
.attendance2-hero-date .label{
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--att2-muted);
}
.attendance2-hero-date .value{
  font-weight: 700;
}
.attendance2-tips{
  display: grid;
  gap: 16px;
}
.attendance2-tips-card{
  background: #fff;
  border: 1px solid var(--att2-border);
  border-radius: 22px;
  padding: 18px 20px;
  box-shadow: var(--att2-shadow);
  display: grid;
  gap: 14px;
}
.attendance2-tips-head{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.attendance2-tips-title{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 12px;
}
.attendance2-tips-title i{
  color: #f59e0b;
}
.attendance2-tips-subtitle{
  color: var(--att2-muted);
  font-size: 10px;
  margin-top: 4px;
}
.attendance2-tips-pill{
  background: rgba(59, 130, 246, 0.12);
  color: #1d4ed8;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 600;
}
.attendance2-tips-grid{
  display: grid;
  gap: 6px;
  grid-template-columns: 1fr;
}
.attendance2-tip{
  display: flex;
  gap: 8px;
  align-items: flex-start;
  padding: 6px 8px;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: linear-gradient(135deg, rgba(248, 250, 252, 0.9), rgba(255, 255, 255, 0.95));
}
.attendance2-tip .icon{
  width: 24px;
  height: 24px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(59, 130, 246, 0.12);
  color: #1d4ed8;
  font-size: 12px;
  flex: 0 0 auto;
}
.attendance2-tip .title{
  font-weight: 600;
  font-size: 10px;
}
.attendance2-tip .text{
  font-size: 10px;
  color: var(--att2-muted);
  margin-top: 2px;
  line-height: 1.5;
}
.attendance2-board{
  display: grid;
  gap: 18px;
}
.attendance2-card{
  background: #fff;
  border: 1px solid var(--att2-border);
  border-radius: 22px;
  padding: 18px 20px;
  box-shadow: var(--att2-shadow);
  display: grid;
  gap: 16px;
}
.attendance2-card-side{
  padding: 12px 14px;
  gap: 12px;
}
.attendance2-card-head{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.attendance2-card-info{
  display: grid;
  gap: 4px;
}
.attendance2-card-tools{
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.attendance2-card-tools .attendance2-badge{
  font-size: 10px;
  padding: 4px 10px;
}
.attendance2-card-tools .attendance2-schedule{
  display: grid;
  gap: 4px;
  min-width: 180px;
}
.attendance2-card-tools .attendance2-schedule .title{
  font-size: 9px;
  letter-spacing: 0.18em;
}
.attendance2-card-tools .attendance2-schedule .days{
  gap: 4px;
}
.attendance2-card-tools .attendance2-schedule .time{
  font-size: 10px;
}
.attendance2-quicktips{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--att2-border);
  background: #fff;
  font-size: 11px;
  color: #0f172a;
  position: relative;
  cursor: default;
  white-space: nowrap;
}
.attendance2-quicktips i{
  color: #f59e0b;
}
.attendance2-quicktips::after{
  content: attr(data-tip);
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  min-width: 240px;
  max-width: 320px;
  padding: 8px 10px;
  border-radius: 12px;
  background: #0f172a;
  color: #f8fafc;
  font-size: 11px;
  line-height: 1.4;
  white-space: pre-line;
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
  box-shadow: 0 16px 30px rgba(15, 23, 42, 0.28);
  z-index: 5;
}
.attendance2-quicktips::before{
  content: "";
  position: absolute;
  right: 18px;
  top: calc(100% + 2px);
  border: 6px solid transparent;
  border-bottom-color: #0f172a;
  opacity: 0;
  transform: translateY(-4px);
}
.attendance2-quicktips:hover::after,
.attendance2-quicktips:hover::before{
  opacity: 1;
  transform: translateY(0);
}
@media (max-width: 992px){
  .attendance2-card-tools{
    width: 100%;
    justify-content: flex-start;
  }
  .attendance2-quicktips::after{
    right: auto;
    left: 0;
  }
  .attendance2-quicktips::before{
    right: auto;
    left: 18px;
  }
}
.attendance2-card-title{
  font-weight: 700;
  font-size: 18px;
}
.attendance2-card-subtitle{
  color: var(--att2-muted);
  font-size: 13px;
}
.attendance2-card-side .attendance2-card-title{
  font-size: 14px;
}
.attendance2-card-side .attendance2-card-subtitle{
  font-size: 11px;
}
.attendance2-card-actions{
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.attendance2-badge{
  background: rgba(37, 99, 235, 0.12);
  color: #1d4ed8;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.attendance2-form{
  display: grid;
  gap: 14px;
}
.attendance2-toolbar{
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(180px, 220px) minmax(160px, 200px) 1fr auto;
  align-items: end;
}
.attendance2-field .form-control,
.attendance2-field .form-select{
  border-radius: 12px;
  font-size: 12px;
  padding: 6px 10px;
}
.attendance2-field .form-label{
  font-size: 11px;
}
.attendance2-group-alert{
  margin-left: 8px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  background: rgba(249, 115, 22, 0.14);
  color: #c2410c;
}
.attendance2-summary{
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: flex-start;
  background: #f8fafc;
  border-radius: 14px;
  border: 1px solid var(--att2-border);
  padding: 8px 10px;
}
.attendance2-summary .metric{
  display: grid;
  gap: 2px;
}
.attendance2-summary .label{
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--att2-muted);
}
.attendance2-summary .value{
  font-weight: 700;
  font-size: 12px;
}
.attendance2-save{
  display: flex;
  justify-content: flex-end;
}
.attendance2-save-btn{
  border-radius: 999px;
  padding: 8px 16px;
  font-weight: 600;
}
.attendance2-meta{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  background: #fff;
  border: 1px dashed var(--att2-border);
  border-radius: 12px;
  padding: 8px 10px;
}
.attendance2-schedule{
  display: grid;
  gap: 6px;
}
.attendance2-schedule .title{
  font-size: 10px;
  font-weight: 700;
  color: var(--att2-muted);
  text-transform: uppercase;
  letter-spacing: 0.18em;
}
.attendance2-schedule .days{
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.attendance2-day{
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  font-size: 10px;
  color: var(--att2-muted);
  background: #f8fafc;
}
.attendance2-day.is-active{
  background: rgba(16, 185, 129, 0.18);
  color: #0f766e;
  border-color: rgba(16, 185, 129, 0.45);
}
.attendance2-day.is-today{
  border-color: rgba(37, 99, 235, 0.4);
  color: #1d4ed8;
}
.attendance2-schedule .time{
  font-size: 10px;
  color: var(--att2-muted);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}
.att2-schedule-slot{
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.attendance2-warning{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 12px;
  background: rgba(249, 115, 22, 0.14);
  color: #c2410c;
  font-size: 10px;
}
.attendance2-sheet{
  border: 1px solid var(--att2-border);
  border-radius: 18px;
  overflow: hidden;
  background: #fff;
}
.group-schedule-modal .modal-body{
  padding-top: 16px;
}
.group-schedule-modal .modal-header{
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(14, 116, 144, 0.08));
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}
.group-schedule-modal .modal-title{
  font-weight: 700;
}
.group-schedule-modal .group-schedule-item{
  background: #f8fafc;
  border-color: rgba(148, 163, 184, 0.3);
}
.group-schedule-modal .group-schedule-item .form-label{
  margin-bottom: 4px;
}
.group-schedule-modal .form-text{
  font-size: 11px;
  color: #64748b;
}
.group-schedule-modal #groupSchedulePreset{
  background: #fff;
  border-radius: 12px;
}
.group-schedule-modal #groupScheduleList{
  max-height: 320px;
  overflow: auto;
  padding-right: 4px;
}
.attendance2-sheet .attendance2-tips-inline{
  margin-bottom: 0;
  padding: 6px 10px;
  border-bottom: 1px solid var(--att2-border);
  background: #f8fafc;
}
.attendance2-sheet .attendance2-tips-card{
  box-shadow: none;
  border-radius: 14px;
  padding: 8px 10px;
}
.attendance2-sheet .attendance2-tip{
  border: 0;
  background: transparent;
  padding: 2px 0;
}
.attendance2-sheet .attendance2-tip .icon{
  display: none;
}
.attendance2-sheet .attendance2-tips-grid{
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}
.attendance2-sheet-head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--att2-border);
  background: #f8fafc;
}
.attendance2-sheet-title{
  font-weight: 700;
  font-size: 12px;
}
.attendance2-sheet-date{
  font-size: 10px;
  color: var(--att2-muted);
}
.attendance2-sheet-wrap{
  overflow: auto;
  max-height: min(520px, calc(100vh - 340px));
}
.attendance2-table{
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  min-width: 760px;
  --att2-col-idx: 44px;
  --att2-col-id: 90px;
  --att2-col-name: 220px;
}
.attendance2-table thead th{
  position: sticky;
  top: 0;
  background: #f8fafc;
  z-index: 2;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--att2-muted);
  padding: 8px 10px;
  border-bottom: 1px solid var(--att2-border);
  white-space: nowrap;
}
.attendance2-table tbody td{
  padding: 8px 10px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  background: #fff;
}
.attendance2-row:hover td{
  background: #f8fafc;
}
.att2-sticky{
  position: sticky;
  background: inherit;
  z-index: 1;
}
.att2-col-idx{
  width: var(--att2-col-idx);
  left: 0;
  text-align: center;
}
.att2-col-id{
  width: var(--att2-col-id);
  left: var(--att2-col-idx);
}
.att2-col-name{
  width: var(--att2-col-name);
  left: calc(var(--att2-col-idx) + var(--att2-col-id));
}
.att2-col-status{
  min-width: 150px;
}
.attendance2-student{
  display: flex;
  align-items: center;
  gap: 8px;
}
.attendance2-student .avatar{
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: linear-gradient(135deg, #38bdf8, #6366f1);
  color: #fff;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}
.attendance2-student .info{
  display: grid;
}
.attendance2-student .name{
  font-weight: 600;
  font-size: 12px;
}
.attendance2-student .meta{
  font-size: 10px;
}
.att2-col-idx,
.att2-col-group,
.att2-col-percent{
  font-size: 11px;
  line-height: 1.2;
}
.att2-percent{
  font-size: 11px;
  font-weight: 700;
}
.attendance2-student .meta{
  font-size: 11px;
  color: var(--att2-muted);
}
.attendance2-toggle{
  position: relative;
}
.attendance2-toggle-input{
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.attendance2-toggle-pill{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(239, 68, 68, 0.12);
  color: #b91c1c;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}
.attendance2-toggle-pill .state-present{ display: none; }
.attendance2-toggle-input:checked + .attendance2-toggle-pill{
  background: rgba(16, 185, 129, 0.18);
  color: #0f766e;
}
.attendance2-toggle-input:checked + .attendance2-toggle-pill .state-present{
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.attendance2-toggle-input:checked + .attendance2-toggle-pill .state-absent{ display: none; }
.attendance2-toggle-input:not(:checked) + .attendance2-toggle-pill .state-absent{
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.attendance2-empty{
  padding: 16px;
  text-align: center;
  color: var(--att2-muted);
}
.attendance2-report{
  gap: 14px;
}
.attendance2-filter-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}
.attendance2-stats{
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.attendance2-stats .stat{
  background: #f8fafc;
  border: 1px solid var(--att2-border);
  border-radius: 12px;
  padding: 10px 12px;
  min-width: 120px;
}
.attendance2-stats .label{
  font-size: 11px;
  color: var(--att2-muted);
  text-transform: uppercase;
  letter-spacing: 0.18em;
}
.attendance2-stats .value{
  font-weight: 700;
}
.attendance2-export{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  border: 1px solid var(--att2-border);
  border-radius: 14px;
  padding: 10px 12px;
  background: #f8fafc;
}
.attendance2-export .title{
  font-weight: 600;
}
.attendance2-export .range{
  font-size: 12px;
  color: var(--att2-muted);
}
.attendance2-export .actions{
  display: flex;
  gap: 8px;
}
.attendance2-report-table{
  border: 1px solid var(--att2-border);
  border-radius: 14px;
  overflow: hidden;
}
.attendance2-report-status{
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.attendance2-report-status.is-present{
  background: rgba(16, 185, 129, 0.18);
  color: #0f766e;
}
.attendance2-report-status.is-absent{
  background: rgba(239, 68, 68, 0.16);
  color: #b91c1c;
}
@media (max-width: 992px){
  .attendance2-toolbar{
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }
  .attendance2-save{
    justify-content: flex-start;
  }
}
@media (max-width: 768px){
  .attendance2-hero{
    padding: 20px;
  }
  .attendance2-table{
    min-width: 680px;
  }
}

/* Attendance 2 (range spreadsheet refresh) */
.attendance2-toolbar{
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
}
.attendance2-controls{
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  width: 100%;
}
.attendance2-actions{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  width: 100%;
}
.attendance2-button-row{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  background: #fff;
  border: 1px solid var(--att2-border);
  border-radius: 14px;
  padding: 10px;
  flex-direction: column;
}
.attendance2-button-row .att2-btn-group{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.attendance2-button-row .att2-btn-group .btn{
  width: 100%;
}
.attendance2-button-row .att2-save-wide{
  width: 100%;
}
.attendance2-divider{
  width: 100%;
  border: 0;
  height: 1px;
  background: var(--att2-border);
  margin: 2px 0 4px;
}
.attendance2-button-row .btn{
  border-radius: 999px;
  font-weight: 600;
  padding: 6px 12px;
  box-shadow: 0 10px 18px rgba(15, 23, 42, 0.08);
  font-size: 11px;
}
.attendance2-button-row .att2-btn-group .btn.btn-outline-secondary:hover,
.attendance2-button-row .att2-btn-group .btn.btn-outline-secondary:focus{
  background: #6c757d !important;
  border-color: #6c757d;
  color: #fff;
}
.attendance2-button-row .attendance2-save-btn{
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  border: none;
  box-shadow: 0 12px 20px rgba(37, 99, 235, 0.24);
}
.attendance2-button-row .attendance2-save-btn:hover{
  filter: brightness(1.05);
}
.attendance2-button-row #attendance2ExportExcel,
.attendance2-button-row #attendance2ExportPdf{
  background: #f8fafc;
}
.attendance2-sheet-subtitle{
  font-size: 12px;
  color: var(--att2-muted);
}
.attendance2-sheet-range{
  font-size: 10px;
  color: var(--att2-muted);
}
.attendance2-table{
  min-width: 980px;
  table-layout: auto;
  --att2-col-idx: 36px;
  --att2-col-name: 140px;
  --att2-col-group: 90px;
  --att2-col-percent: 70px;
}
.attendance2-table thead tr:first-child th{
  top: 0;
  z-index: 3;
}
.attendance2-table thead tr:last-child th{
  top: 38px;
  z-index: 2;
}
.attendance2-table.attendance2-table-vertical thead tr th,
.attendance2-table.attendance2-table-vertical thead tr:last-child th{
  top: 0;
}
.attendance2-table thead th.att2-head-gap{
  background: #f8fafc;
  border-bottom: 1px solid var(--att2-border);
}
.attendance2-table thead th.att2-sticky-left,
.attendance2-table thead th.att2-sticky-right{
  z-index: 30;
  background: #f8fafc;
}
.attendance2-table thead th.att2-date-head{
  z-index: 0;
  background: transparent;
  pointer-events: none;
}
.attendance2-table tbody td.att2-sticky-left,
.attendance2-table tbody td.att2-sticky-right{
  background: #fff;
}
.attendance2-table thead th,
.attendance2-table tbody td{
  white-space: nowrap;
  font-size: 11px;
}
.attendance2-table thead th.att2-sticky-left,
.attendance2-table tbody td.att2-sticky-left{
  padding-inline: 16px;
}
.att2-date-head{
  text-align: center;
  font-size: 11px;
}
.att2-date-col{
  /* min-width: 84px; */
  min-width: 50px;
  width: 72px;
  text-align: center;
  box-sizing: border-box;
  font-size: 11px;
}
.attendance2-table thead tr#attendance2DateRow .att2-date-col:first-of-type{
  padding-left: 3%;
}
.att2-date-col.is-active{
  background: rgba(59, 130, 246, 0.12);
  color: #1d4ed8;
}
.att2-date-cell{
  position: relative;
  text-align: center;
  background: #fff;
  font-size: 11px;
}
.att2-date-cell.is-active{
  background: rgba(59, 130, 246, 0.08);
}
.att2-badge{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  padding: 3px 6px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
}
.att2-badge.is-present{
  background: rgba(16, 185, 129, 0.18);
  color: #0f766e;
  border-color: rgba(16, 185, 129, 0.35);
}
.att2-badge.is-absent{
  background: rgba(239, 68, 68, 0.16);
  color: #b91c1c;
  border-color: rgba(239, 68, 68, 0.35);
}
.att2-badge.is-empty{
  background: #e2e8f0;
  color: #64748b;
  border-color: #e2e8f0;
}
.att2-badge.is-readonly{
  cursor: default;
  opacity: 0.85;
}
.att2-date-cell[data-disabled="1"] .att2-badge::after{
  content: "\1F512";
  font-size: 10px;
  margin-left: 6px;
  opacity: 0.7;
}
.att2-input{
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.att2-sticky-left{
  position: sticky;
  left: 0;
  background: inherit;
  z-index: 2;
}
.att2-sticky-right{
  position: sticky;
  right: 0;
  background: inherit;
  z-index: 2;
}

/* NEW: Attendance 2 vertical layout */
.attendance2-table.attendance2-table-vertical{
  min-width: 0;
  width: 100%;
  table-layout: fixed;
}
.attendance2-table-vertical thead th,
.attendance2-table-vertical tbody td,
.attendance2-table-vertical tbody th,
.attendance2-table-vertical tfoot th,
.attendance2-table-vertical tfoot td{
  white-space: normal;
  font-size: 12px;
  padding: 8px 10px;
}
.attendance2-table-vertical thead th{
  text-transform: none;
  letter-spacing: 0;
}
.attendance2-table-vertical thead tr th{
  top: 0;
  z-index: 2;
}
.attendance2-table-vertical .att2-date-head{
  width: 120px;
  text-align: left;
  position: sticky;
  left: 0;
  z-index: 3;
  background: #f8fafc;
}
.attendance2-table-vertical .att2-date-label{
  font-weight: 600;
  position: sticky;
  left: 0;
  z-index: 2;
  background: #fff;
}
.attendance2-table-vertical .att2-student-col{
  text-align: center;
  vertical-align: bottom;
}
.attendance2-table-vertical .att2-student-head{
  display: grid;
  gap: 2px;
}
.attendance2-table-vertical .att2-student-head .name{
  font-weight: 600;
  font-size: 12px;
}
.attendance2-table-vertical .att2-student-head .group{
  font-size: 10px;
  color: var(--att2-muted);
}
.attendance2-table-vertical .att2-date-cell{
  text-align: center;
}
.attendance2-table-vertical tbody tr:first-child th,
.attendance2-table-vertical tbody tr:first-child td{
  border-top: 1px solid var(--att2-border);
}
.attendance2-table-vertical .attendance2-row:hover td,
.attendance2-table-vertical .attendance2-row:hover th.att2-date-label{
  background: #f8fafc;
}
.attendance2-table-vertical .att2-percent-row th,
.attendance2-table-vertical .att2-percent-row td{
  background: #f8fafc;
}
.attendance2-table-vertical .att2-percent-cell{
  text-align: center;
  font-weight: 600;
}
.att2-hidden{
  display: none !important;
}

/* Attendance 2 layout (sidebar + sheet) */
.attendance2-shell > .attendance2-tips{
  display: none;
}
.attendance2-form{
  display: grid;
  grid-template-columns: minmax(260px, 340px) minmax(0, 1fr);
  grid-template-rows: auto auto;
  gap: 16px;
  align-items: start;
}
.attendance2-toolbar,
.attendance2-meta,
.attendance2-tips-inline{
  grid-column: 1;
}
.attendance2-sheet{
  grid-column: 2;
  grid-row: 1 / span 3;
}
.attendance2-toolbar{
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: #f8fafc;
  border: 1px solid var(--att2-border);
  border-radius: 16px;
  padding: 12px;
}
.attendance2-actions{
  flex-direction: column;
  align-items: stretch;
}
.attendance2-summary{
  justify-content: space-between;
}
.attendance2-button-row{
  justify-content: flex-start;
}
.attendance2-sheet-subtitle{
  display: none;
}
.attendance2-sheet-subtitle.is-fixed{
  display: block;
  font-size: 11px;
}
@media (max-width: 1200px){
  .attendance2-form{
    grid-template-columns: 1fr;
  }
  .attendance2-toolbar,
  .attendance2-meta,
  .attendance2-tips-inline,
  .attendance2-sheet{
    grid-column: 1;
    grid-row: auto;
  }
}
.att2-col-idx{
  width: var(--att2-col-idx);
  left: 0;
  text-align: center;
}
.att2-col-name{
  width: var(--att2-col-name);
  left: var(--att2-col-idx);
  text-align: left;
}
.att2-col-group{
  width: var(--att2-col-group);
  left: calc(var(--att2-col-idx) + var(--att2-col-name));
  text-align: left;
}
.att2-col-percent{
  width: var(--att2-col-percent);
  right: 0;
  text-align: center;
}
.attendance2-student .name{
  font-weight: 600;
}
@media (max-width: 992px){
  .attendance2-actions{
    align-items: flex-start;
  }
}
@media (max-width: 768px){
  .attendance2-controls{
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  }
  .attendance2-table{
    min-width: 760px;
  }
}
.tests-explorer .card-body {
  position: relative;
}
.tests-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.tests-toolbar-main {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.tests-breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  font-weight: 600;
  color: #0f172a;
}
.tests-breadcrumb button {
  border: 0;
  background: none;
  padding: 0;
  color: #0f172a;
  font-weight: 600;
}
.tests-breadcrumb button:disabled {
  opacity: 0.6;
}
.tests-breadcrumb .sep {
  color: #94a3b8;
}
.tests-subtitle {
  color: #64748b;
  font-size: 0.9rem;
}
.tests-toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.tests-search {
  position: relative;
  min-width: 220px;
}
.tests-search i {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: #94a3b8;
}
.tests-search input {
  padding-left: 30px;
}
.tests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}
.tests-tile {
  border: 1px solid #e2e8f0;
  background: #f8fafc;
  border-radius: 18px;
  padding: 18px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 160px;
  position: relative;
}
.tests-tile:hover {
  border-color: #cbd5f5;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
  transform: translateY(-2px);
}
.tests-tile.is-selected {
  border-color: #2563eb;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
  background: #eef2ff;
}
.tests-tile-icon {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 24px;
}
.tests-tile-icon.is-reading {
  background: linear-gradient(135deg, #2563eb, #60a5fa);
}
.tests-tile-icon.is-listening {
  background: linear-gradient(135deg, #0ea5e9, #38bdf8);
}
.tests-tile-icon.is-writing {
  background: linear-gradient(135deg, #f97316, #fb923c);
}
.tests-tile-icon.is-speaking {
  background: linear-gradient(135deg, #10b981, #34d399);
}
.tests-tile-icon.is-folder {
  background: linear-gradient(135deg, #6366f1, #a5b4fc);
}
.tests-tile-title {
  font-weight: 600;
  font-size: 1rem;
  color: #0f172a;
}
.tests-tile-meta {
  color: #64748b;
  font-size: 0.85rem;
}
.tests-folder-actions {
  position: absolute;
  top: 12px;
  right: 12px;
  display: flex;
  gap: 6px;
  opacity: 0;
  transition: opacity 0.2s ease;
}
.tests-tile:hover .tests-folder-actions {
  opacity: 1;
}
.tests-icon-btn {
  border: 1px solid #e2e8f0;
  background: #fff;
  color: #475569;
  border-radius: 10px;
  padding: 4px 6px;
  font-size: 0.75rem;
  line-height: 1;
}
.tests-icon-btn.is-danger {
  color: #dc2626;
  border-color: #fecaca;
  background: #fff1f2;
}
.tests-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 18px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 220px;
  position: relative;
}
.tests-card-header {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: flex-start;
}
.tests-card-title {
  font-weight: 600;
  color: #0f172a;
}
.tests-card-desc {
  color: #64748b;
  font-size: 0.88rem;
  min-height: 34px;
}
.tests-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.78rem;
  color: #64748b;
}
.tests-card-actions {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  opacity: 1;
  transform: none;
}
.tests-card-actions .btn,
.tests-card-actions form{
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
  transition: all 0.2s ease;
}
.tests-card:hover .tests-card-actions .btn,
.tests-card:hover .tests-card-actions form{
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.tests-card-tools{
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
.tests-card-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tests-modal-note{
  padding: 10px 12px;
  border-radius: 12px;
  background: #f1f5ff;
  color: #1e3a8a;
  font-size: 0.85rem;
  border: 1px solid #dbe3ff;
  margin-bottom: 12px;
}
.tests-tool {
  border: 1px solid #e2e8f0;
  background: #fff;
  border-radius: 10px;
  padding: 4px 8px;
  font-size: 0.75rem;
  color: #334155;
}
.tests-tool.is-danger {
  color: #dc2626;
  border-color: #fecaca;
  background: #fff1f2;
}
.tests-empty {
  padding: 24px;
}
.tests-empty-card {
  border: 1px dashed #cbd5f5;
  border-radius: 18px;
  padding: 24px;
  text-align: center;
  background: #f8fafc;
}
.tests-empty-title {
  font-weight: 600;
  font-size: 1.1rem;
  color: #0f172a;
}
.tests-empty-text {
  color: #64748b;
  margin: 10px 0 16px;
}
.tests-toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  background: #0f172a;
  color: #fff;
  padding: 10px 16px;
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.25);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: all 0.2s ease;
  z-index: 1080;
}
.tests-toast.is-show {
  opacity: 1;
  transform: translateY(0);
}
.tests-toast.is-error {
  background: #dc2626;
}
.ai-create-modal {
  border-radius: 20px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.2);
}
.ai-modal-dialog {
  max-width: 980px;
}
.ai-modal-header {
  padding: 16px 18px;
  align-items: flex-start;
  gap: 12px;
}
.ai-modal-head {
  display: grid;
  gap: 4px;
}
.ai-modal-sub {
  font-size: 12px;
  color: #64748b;
}
.ai-modal-body {
  padding: 14px 18px 6px;
}
.ai-modal-form {
  display: grid;
  gap: 12px;
}
.ai-modal-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 14px;
}
.ai-modal-col {
  display: grid;
  gap: 12px;
}
.ai-card {
  border-radius: 14px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: #fff;
  padding: 12px;
  box-shadow: 0 10px 20px rgba(15, 23, 42, 0.04);
}
.ai-card-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64748b;
  margin-bottom: 8px;
}
.ai-modal-footer {
  padding: 10px 18px 16px;
}
.ai-modal-kicker {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #94a3b8;
  font-weight: 600;
}
.ai-upload-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px dashed rgba(15, 23, 42, 0.2);
  background: #f8fafc;
  cursor: pointer;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.ai-upload-card:hover {
  border-color: rgba(37, 99, 235, 0.4);
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.12);
  transform: translateY(-1px);
}
.ai-upload-card.is-active {
  border-color: rgba(16, 185, 129, 0.5);
  background: rgba(16, 185, 129, 0.08);
}
.ai-upload-input {
  display: none;
}
.ai-upload-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 18px;
  color: #2563eb;
  background: rgba(37, 99, 235, 0.12);
}
.ai-upload-text strong {
  display: block;
  font-size: 14px;
}
.ai-upload-text span {
  font-size: 12px;
  color: #64748b;
}
.ai-upload-meta {
  font-size: 12px;
  color: #475569;
  text-align: right;
  min-width: 100px;
}
.ai-count-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}
.ai-count-label {
  font-size: 12px;
  font-weight: 600;
  color: #64748b;
  margin-bottom: 6px;
}
.ai-count-hint {
  margin-top: 8px;
  font-size: 12px;
  font-weight: 600;
  color: #0f172a;
  background: rgba(37, 99, 235, 0.08);
  border-radius: 999px;
  padding: 6px 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.ai-count-hint.is-error {
  background: rgba(239, 68, 68, 0.12);
  color: #b91c1c;
}
.ai-topic-input{
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}
.ai-topic-list{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}
.ai-topic-chip{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(37, 99, 235, 0.25);
  color: #1d4ed8;
  font-size: 12px;
  font-weight: 600;
}
.ai-topic-chip button{
  border: 0;
  background: transparent;
  color: inherit;
  padding: 0;
  line-height: 1;
  font-size: 14px;
}
.ai-topic-chip button:hover{
  color: #0b2a85;
}
@media (max-width: 768px) {
  .ai-upload-card {
    grid-template-columns: auto 1fr;
  }
  .ai-upload-meta {
    text-align: left;
    grid-column: 1 / -1;
  }
}
@media (max-width: 992px) {
  .ai-modal-dialog {
    max-width: 760px;
  }
  .ai-modal-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 576px) {
  .ai-modal-dialog {
    max-width: 100%;
    margin: 8px;
  }
  .ai-count-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 768px) {
  .tests-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .tests-search {
    width: 100%;
  }
  .tests-card-actions {
    opacity: 1;
    transform: none;
  }
}
.auth-note{
  --note-border: rgba(0,0,0,.08);
  --note-bg: rgba(255,255,255,.96);
  --note-icon-bg: rgba(0,0,0,.05);
  --note-icon-color: #444;
  border: 1px solid var(--note-border);
  background: var(--note-bg);
  border-radius: 14px;
  padding: 14px;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
}
.auth-shell label.form-label{
  color: #000 !important;
}
.auth-note-success{
  --note-border: rgba(25,135,84,.35);
  --note-bg: linear-gradient(135deg, rgba(25,135,84,.16), rgba(255,255,255,.96));
  --note-icon-bg: rgba(25,135,84,.2);
  --note-icon-color: #198754;
}
.auth-note-warn{
  --note-border: rgba(245, 158, 11, 0.45);
  --note-bg: linear-gradient(135deg, rgba(245, 158, 11, 0.16), rgba(255,255,255,.95));
  --note-icon-bg: rgba(245, 158, 11, 0.2);
  --note-icon-color: #b45309;
}
.auth-note-icon{
  width:44px;
  height:44px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  background: var(--note-icon-bg);
  color: var(--note-icon-color);
  font-size:20px;
}
.auth-note-title{
  font-weight:700;
  margin-bottom:2px;
}
.auth-note-text{
  font-size:13px;
  color:rgba(0,0,0,.65);
}
.auth-note-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
  margin-top:8px;
  font-size:12px;
}
.auth-note-label{
  color:rgba(0,0,0,.6);
  font-weight:600;
}
.auth-note-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border-radius:999px;
  border:1px solid rgba(0,0,0,.12);
  background:rgba(255,255,255,.8);
  text-decoration:none;
  color:inherit;
  font-weight:600;
}
.subscription-expired .auth-note-pill{
  border-color: rgba(245, 158, 11, 0.35);
}
@media (max-width: 576px){
  .auth-note{grid-template-columns:1fr;}
  .auth-note-icon{width:38px;height:38px;}
}
.sub-health{
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.sub-pill{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid rgba(0,0,0,.08);
  background: rgba(0,0,0,.03);
}
.sub-pill.is-active{ border-color: rgba(25,135,84,.35); background: rgba(25,135,84,.12); color:#0f5132; }
.sub-pill.is-due{ border-color: rgba(245,158,11,.35); background: rgba(245,158,11,.18); color:#92400e; }
.sub-pill.is-muted{ border-color: rgba(108,117,125,.35); background: rgba(108,117,125,.12); color:#495057; }
.sub-pill.is-canceled{ border-color: rgba(33,37,41,.35); background: rgba(33,37,41,.12); color:#212529; }
.sub-pill.is-soon{ border-color: rgba(13,110,253,.35); background: rgba(13,110,253,.12); color:#084298; }
.submission-row.is-unseen{
  background: rgba(245, 158, 11, 0.08);
  box-shadow: inset 4px 0 0 rgba(245, 158, 11, 0.6);
}
.submission-new{
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-left: 6px;
}
.submissions-results.is-loading{
  opacity: .6;
  pointer-events: none;
  filter: blur(0.2px);
}

/* Admin dashboard */
.admin-dashboard{
  font-family: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: #0f172a;
}
.admin-hero{
  position: relative;
  padding: 32px 32px 28px;
  border-radius: 24px;
  background: linear-gradient(135deg, #0f172a, #111827 55%, #0f766e);
  color: #f8fafc;
  overflow: hidden;
  margin-bottom: 20px;
  box-shadow: 0 26px 60px rgba(15, 23, 42, 0.25);
}
.admin-hero-bg{
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 12% 20%, rgba(45, 212, 191, 0.35), transparent 48%),
    radial-gradient(circle at 85% 15%, rgba(56, 189, 248, 0.35), transparent 46%),
    linear-gradient(120deg, rgba(14, 116, 110, 0.25), transparent 40%);
  opacity: 0.9;
}
.admin-hero-inner{
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
}
.admin-hero-kicker{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: rgba(255,255,255,.7);
  margin-bottom: 8px;
}
.admin-hero-title{
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 700;
  margin-bottom: 6px;
}
.admin-hero-subtitle{
  max-width: 560px;
  color: rgba(248,250,252,.78);
  font-size: 15px;
}
.admin-hero-badges{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}
.admin-hero-badge{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.45);
  border: 1px solid rgba(255,255,255,0.15);
  font-size: 12px;
}
.admin-hero-badge.is-success{ background: rgba(16, 185, 129, 0.2); border-color: rgba(16,185,129,0.4); }
.admin-hero-badge.is-warning{ background: rgba(245, 158, 11, 0.2); border-color: rgba(245,158,11,0.45); }
.admin-hero-badge.is-info{ background: rgba(56, 189, 248, 0.2); border-color: rgba(56,189,248,0.45); }
.admin-hero-actions{
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.admin-hero-btn{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(15, 23, 42, 0.35);
  color: #e2e8f0;
  text-decoration: none;
  font-weight: 600;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.admin-hero-btn:hover{
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.25);
}
.admin-hero-btn.is-primary{
  background: linear-gradient(135deg, #0ea5a4, #0f766e);
  border-color: transparent;
  color: #fff;
}
.admin-hero-btn.is-ghost{
  background: rgba(255,255,255,0.08);
}

.admin-kpis{
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 22px;
}
.admin-kpi-card{
  padding: 16px 18px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid rgba(148, 163, 184, 0.25);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.admin-kpi-head{
  display: flex;
  gap: 12px;
  align-items: center;
}
.admin-kpi-icon{
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(15, 118, 110, 0.12);
  color: #0f766e;
  font-size: 20px;
}
.admin-kpi-card.is-teachers .admin-kpi-icon{ background: rgba(59, 130, 246, 0.12); color: #1d4ed8; }
.admin-kpi-card.is-subs .admin-kpi-icon{ background: rgba(16, 185, 129, 0.12); color: #047857; }
.admin-kpi-card.is-seats .admin-kpi-icon{ background: rgba(14, 116, 110, 0.12); color: #0f766e; }
.admin-kpi-card.is-actions .admin-kpi-icon{ background: rgba(15, 23, 42, 0.08); color: #0f172a; }
.admin-kpi-label{
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: #64748b;
}
.admin-kpi-value{
  font-size: 24px;
  font-weight: 700;
}
.admin-kpi-meta{
  font-size: 13px;
  color: #475569;
}
.admin-kpi-progress{
  height: 8px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.2);
  overflow: hidden;
}
.admin-kpi-progress-bar{
  height: 100%;
  background: linear-gradient(90deg, #2563eb, #0ea5a4);
}
.admin-kpi-progress-bar.is-teal{
  background: linear-gradient(90deg, #0ea5a4, #14b8a6);
}
.admin-kpi-pills{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.admin-pill{
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  background: rgba(148, 163, 184, 0.1);
  color: #334155;
}
.admin-pill.is-active{ background: rgba(16,185,129,0.15); color:#047857; border-color: rgba(16,185,129,0.3); }
.admin-pill.is-warning{ background: rgba(245,158,11,0.18); color:#92400e; border-color: rgba(245,158,11,0.35); }
.admin-pill.is-muted{ background: rgba(100,116,139,0.12); color:#475569; border-color: rgba(100,116,139,0.3); }
.admin-pill.is-dark{ background: rgba(15,23,42,0.12); color:#0f172a; border-color: rgba(15,23,42,0.25); }
.admin-pill.is-info{ background: rgba(59,130,246,0.12); color:#1d4ed8; border-color: rgba(59,130,246,0.3); }
.admin-kpi-actions{
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 8px;
}
.admin-kpi-btn{
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid rgba(148,163,184,0.3);
  background: rgba(15,23,42,0.03);
  color: #0f172a;
  font-size: 12px;
  font-weight: 600;
  text-align: center;
}
.admin-kpi-btn:hover{ background: rgba(14,116,110,0.08); }

.admin-grid{
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 18px;
}
.admin-panel{
  background: #fff;
  border-radius: 20px;
  border: 1px solid rgba(148,163,184,0.2);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
  padding: 18px;
}
.admin-panel-head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  gap: 12px;
}
.admin-panel-kicker{
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .18em;
  color: #94a3b8;
}
.admin-panel-title{
  font-size: 18px;
  font-weight: 700;
  color: #0f172a;
}
.admin-link{
  text-decoration: none;
  font-weight: 600;
  color: #2563eb;
}
.admin-table{
  width: 100%;
  overflow-x: auto;
}
.admin-table table{
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.admin-table th,
.admin-table td{
  padding: 10px 8px;
  border-bottom: 1px solid rgba(148,163,184,0.2);
}
.admin-table thead th{
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: #64748b;
}
.admin-table-main{
  font-weight: 600;
  color: #0f172a;
}
.admin-table-sub{
  font-size: 12px;
  color: #64748b;
}
.admin-table-code{
  font-weight: 600;
  color: #0f172a;
}
.admin-empty{
  padding: 18px;
  border-radius: 16px;
  background: rgba(148,163,184,0.08);
  color: #475569;
  text-align: center;
}

.admin-signal-list{
  display: grid;
  gap: 12px;
}
.admin-signal-card{
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  text-decoration: none;
  border: 1px solid rgba(148,163,184,0.25);
  background: rgba(248,250,252,0.9);
  color: #0f172a;
  transition: transform .2s ease, box-shadow .2s ease;
}
.admin-signal-card:hover{
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(15,23,42,0.1);
}
.admin-signal-icon{
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(148,163,184,0.12);
  font-size: 18px;
}
.admin-signal-title{
  font-weight: 700;
  font-size: 14px;
}
.admin-signal-meta{
  font-size: 12px;
  color: #64748b;
}
.admin-signal-count{
  margin-left: auto;
  font-size: 18px;
  font-weight: 700;
}
.admin-signal-card.is-warning{ border-color: rgba(245,158,11,0.3); background: rgba(245,158,11,0.12); }
.admin-signal-card.is-warning .admin-signal-icon{ background: rgba(245,158,11,0.2); color: #92400e; }
.admin-signal-card.is-soon{ border-color: rgba(56,189,248,0.3); background: rgba(56,189,248,0.12); }
.admin-signal-card.is-soon .admin-signal-icon{ background: rgba(56,189,248,0.2); color: #0e7490; }
.admin-signal-card.is-muted{ border-color: rgba(100,116,139,0.3); background: rgba(100,116,139,0.12); }
.admin-signal-card.is-muted .admin-signal-icon{ background: rgba(100,116,139,0.2); color: #475569; }
.admin-signal-card.is-dark{ border-color: rgba(15,23,42,0.25); background: rgba(15,23,42,0.08); }
.admin-signal-card.is-dark .admin-signal-icon{ background: rgba(15,23,42,0.15); color: #0f172a; }

@media (max-width: 1200px){
  .admin-kpis{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .admin-grid{ grid-template-columns: 1fr; }
  .admin-hero-actions{ flex-direction: row; flex-wrap: wrap; }
}
@media (max-width: 768px){
  .admin-hero{ padding: 24px; }
  .admin-hero-actions{ width: 100%; }
  .admin-kpi-actions{ grid-template-columns: 1fr; }
  .admin-hero-btn{ width: 100%; justify-content: center; }
}

/* =========================
   LMS Dashboards (Teacher/Student/CEO)
   ========================= */
.lms-dashboard{
  --dash-ink: #0f172a;
  --dash-muted: #64748b;
  --dash-line: rgba(148, 163, 184, 0.25);
  --dash-glow: rgba(56, 189, 248, 0.25);
  --dash-card: #ffffff;
  --dash-bg: radial-gradient(circle at 20% 10%, rgba(56,189,248,0.12), transparent 45%),
             radial-gradient(circle at 80% 0%, rgba(34,197,94,0.12), transparent 35%),
             #f8fafc;
  font-family: "Sora", "Manrope", "Segoe UI", sans-serif;
  color: var(--dash-ink);
}
.lms-dashboard .dash-hero{
  position: relative;
  overflow: hidden;
  padding: 28px;
  border-radius: 24px;
  background: var(--dash-bg);
  border: 1px solid var(--dash-line);
  box-shadow: 0 18px 40px rgba(15,23,42,0.08);
  margin-bottom: 20px;
}
.lms-dashboard .dash-hero::after{
  content: "";
  position: absolute;
  inset: auto -40px -80px auto;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(59,130,246,0.35), transparent 70%);
  opacity: 0.6;
  pointer-events: none;
}
.lms-dashboard .dash-hero-grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 320px);
  gap: 20px;
  align-items: center;
}
.lms-dashboard .dash-kicker{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(15,23,42,0.08);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.lms-dashboard .dash-title{
  font-size: 30px;
  font-weight: 700;
  margin: 10px 0 6px;
}
.lms-dashboard .dash-subtitle{
  font-size: 14px;
  color: var(--dash-muted);
  margin-bottom: 14px;
}
.lms-dashboard .dash-hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.lms-dashboard .dash-metric-stack{
  display: grid;
  gap: 10px;
}
.lms-dashboard .dash-metric{
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255,255,255,0.9);
  border: 1px solid var(--dash-line);
  box-shadow: 0 10px 22px rgba(15,23,42,0.06);
}
.lms-dashboard .dash-metric .label{
  font-size: 12px;
  color: var(--dash-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.lms-dashboard .dash-metric .value{
  font-size: 20px;
  font-weight: 700;
}
.lms-dashboard .dash-metric .meta{
  font-size: 12px;
  color: var(--dash-muted);
}
.lms-dashboard .dash-grid{
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}
.lms-dashboard .dash-card{
  background: var(--dash-card);
  border-radius: 18px;
  border: 1px solid var(--dash-line);
  box-shadow: 0 12px 28px rgba(15,23,42,0.06);
  padding: 16px;
  position: relative;
  overflow: hidden;
  animation: dash-rise 0.6s ease both;
}
.lms-dashboard .dash-card::after{
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(59,130,246,0.18), transparent 70%);
  pointer-events: none;
}
.lms-dashboard .dash-card-header{
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.lms-dashboard .dash-card-title{
  font-weight: 700;
  font-size: 14px;
}
.lms-dashboard .dash-card-sub{
  font-size: 12px;
  color: var(--dash-muted);
}
.lms-dashboard .dash-kpi-value{
  font-size: 26px;
  font-weight: 700;
}
.lms-dashboard .dash-kpi-meta{
  font-size: 12px;
  color: var(--dash-muted);
}
.lms-dashboard .dash-split{
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 16px;
}
.lms-dashboard .dash-table{
  background: #fff;
  border-radius: 14px;
  border: 1px solid var(--dash-line);
  overflow: hidden;
}
.lms-dashboard .dash-table thead th{
  background: #f1f5f9;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.lms-dashboard .dash-pill{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(59,130,246,0.12);
  color: #1d4ed8;
  font-size: 11px;
  font-weight: 600;
}
.lms-dashboard .dash-progress{
  height: 8px;
  border-radius: 999px;
  background: rgba(148,163,184,0.2);
  overflow: hidden;
}
.lms-dashboard .dash-progress > span{
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #38bdf8, #22c55e);
}
.lms-dashboard .dash-action-list{
  display: grid;
  gap: 10px;
}
.lms-dashboard .dash-action{
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--dash-line);
  background: #f8fafc;
  color: var(--dash-ink);
  text-decoration: none;
}
.lms-dashboard .dash-action .icon{
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: rgba(59,130,246,0.14);
  color: #1d4ed8;
}
.lms-dashboard .dash-action .meta{
  font-size: 12px;
  color: var(--dash-muted);
}
.lms-dashboard .dash-card.glass{
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(8px);
}

@keyframes dash-rise{
  from { transform: translateY(10px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@media (max-width: 1200px){
  .lms-dashboard .dash-hero-grid{ grid-template-columns: 1fr; }
  .lms-dashboard .dash-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lms-dashboard .dash-split{ grid-template-columns: 1fr; }
}
@media (max-width: 768px){
  .lms-dashboard .dash-hero{ padding: 20px; }
  .lms-dashboard .dash-title{ font-size: 24px; }
  .lms-dashboard .dash-grid{ grid-template-columns: 1fr; }
}

.lms-dashboard .dash-chart{
  position: relative;
  height: 240px;
}
.lms-dashboard .dash-chart canvas{
  width: 100% !important;
  height: 100% !important;
}

/* =========================
   Admin Teacher Edit (Modern)
   ========================= */
.admin-teacher-edit{
  --edit-ink: #0f172a;
  --edit-muted: #64748b;
  --edit-line: rgba(148, 163, 184, 0.28);
  --edit-card: #ffffff;
  --edit-bg: radial-gradient(circle at 18% 8%, rgba(56,189,248,0.12), transparent 48%),
             radial-gradient(circle at 85% 0%, rgba(34,197,94,0.12), transparent 38%),
             #f8fafc;
  color: var(--edit-ink);
  font-family: "Sora", "Manrope", "Segoe UI", sans-serif;
}
.admin-teacher-edit .edit-hero{
  background: var(--edit-bg);
  border: 1px solid var(--edit-line);
  border-radius: 24px;
  padding: 22px;
  box-shadow: 0 20px 48px rgba(15,23,42,0.08);
  margin-bottom: 18px;
}
.admin-teacher-edit .edit-hero-main{
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}
.admin-teacher-edit .edit-kicker{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(15,23,42,0.08);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.admin-teacher-edit .edit-title{
  font-size: 28px;
  font-weight: 700;
}
.admin-teacher-edit .edit-meta{
  font-size: 13px;
  color: var(--edit-muted);
}
.admin-teacher-edit .edit-hero-actions{
  display: grid;
  gap: 10px;
  justify-items: end;
}
.admin-teacher-edit .edit-badges{
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.admin-teacher-edit .edit-chip-row{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
}
.admin-teacher-edit .edit-chip{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(59,130,246,0.12);
  color: #1d4ed8;
  font-size: 12px;
  border: 1px solid rgba(59,130,246,0.22);
  font-weight: 600;
}
.admin-teacher-edit .edit-stat-grid{
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}
.admin-teacher-edit .edit-stat-card{
  background: var(--edit-card);
  border: 1px solid var(--edit-line);
  border-radius: 16px;
  padding: 14px 16px;
  box-shadow: 0 10px 24px rgba(15,23,42,0.06);
}
.admin-teacher-edit .edit-stat-card .label{
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--edit-muted);
}
.admin-teacher-edit .edit-stat-card .value{
  font-size: 20px;
  font-weight: 700;
}
.admin-teacher-edit .edit-panel{
  border-radius: 18px;
  border: 1px solid var(--edit-line);
  background: var(--edit-card);
  box-shadow: 0 12px 28px rgba(15,23,42,0.06);
}
.admin-teacher-edit .edit-form .form-label{
  font-weight: 600;
  font-size: 13px;
}
.admin-teacher-edit .edit-form .form-control,
.admin-teacher-edit .edit-form .form-select{
  border-radius: 12px;
  border-color: rgba(148,163,184,0.35);
  box-shadow: none;
}
.admin-teacher-edit .edit-form .form-control:focus,
.admin-teacher-edit .edit-form .form-select:focus{
  border-color: rgba(59,130,246,0.7);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}
.admin-teacher-edit .edit-quick-actions{
  background: #f8fafc;
  border-color: rgba(148,163,184,0.3);
}
.admin-teacher-edit .edit-table-card .table-responsive{
  border-radius: 16px;
  border: 1px solid var(--edit-line);
}
.admin-teacher-edit .edit-table thead th{
  background: #f1f5f9;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.admin-teacher-edit .edit-table tbody tr:hover{
  background: rgba(59,130,246,0.04);
}
.admin-teacher-edit .table-sticky thead th{
  position: sticky;
  top: 0;
  z-index: 1;
}
.admin-teacher-edit .due-picker .input-group{
  border-radius: 12px;
  overflow: hidden;
}
.admin-teacher-edit .due-picker .input-group-text{
  background:#f8fafc;
  border-color: rgba(0,0,0,.08);
}
.admin-teacher-edit .due-picker .btn{
  border-color: rgba(0,0,0,.12);
}
.admin-teacher-edit .due-picker-icon{
  cursor: pointer;
}
.admin-teacher-edit .soft-divider{
  border-top: 1px dashed rgba(0,0,0,.08);
}
.admin-teacher-edit .flatpickr-calendar{
  border-radius: 14px;
  border: 1px solid rgba(0,0,0,.08);
  box-shadow: 0 16px 40px rgba(0,0,0,.12);
}
.admin-teacher-edit .flatpickr-day.selected,
.admin-teacher-edit .flatpickr-day.selected:hover{
  background: #0d6efd;
  border-color: #0d6efd;
}
.admin-teacher-edit .flatpickr-time{ border-top:1px solid rgba(0,0,0,.08); }
@media (max-width: 1200px){
  .admin-teacher-edit .edit-stat-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 768px){
  .admin-teacher-edit .edit-hero{ padding: 18px; }
  .admin-teacher-edit .edit-title{ font-size: 22px; }
  .admin-teacher-edit .edit-hero-actions{ justify-items: start; }
  .admin-teacher-edit .edit-stat-grid{ grid-template-columns: 1fr; }
}

.app-install-prompt{
  position: fixed;
  left: 20px;
  bottom: 20px;
  z-index: 1200;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity .25s ease, transform .25s ease;
}
.app-install-prompt.is-visible{
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.app-install-card{
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  position: relative;
  border-radius: 18px;
  background: rgba(15,23,42,.95);
  color: #fff;
  box-shadow: 0 20px 50px rgba(15,23,42,.25);
  border: 1px solid rgba(148,163,184,.2);
  backdrop-filter: blur(10px);
}
.app-install-icon{
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(37,99,235,.2);
  color: #93c5fd;
  font-size: 20px;
}
.app-install-title{
  font-weight: 700;
  font-size: 14px;
  line-height: 1.2;
}
.app-install-meta{
  font-size: 12px;
  color: rgba(226,232,240,.8);
}
.app-install-btn{
  border: 0;
  padding: 8px 14px;
  border-radius: 999px;
  background: #2563eb;
  color: #fff;
  font-weight: 600;
  font-size: 13px;
  transition: transform .15s ease, box-shadow .15s ease;
}
.app-install-btn:hover{
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(37,99,235,.35);
}
.app-install-close{
  border: 0;
  background: transparent;
  color: rgba(226,232,240,.7);
  font-size: 14px;
  padding: 6px;
  border-radius: 10px;
}
.app-install-close:hover{
  color: #fff;
  background: rgba(148,163,184,.15);
}
@media (max-width: 991px){
  .app-install-prompt{
    left: 12px;
    right: 12px;
    bottom: 12px;
  }
  .app-install-card{
    grid-template-columns: auto 1fr;
    grid-template-areas:
      "icon content"
      "btn btn";
  }
  .app-install-icon{ grid-area: icon; }
  .app-install-content{ grid-area: content; }
  .app-install-btn{ grid-area: btn; width: 100%; justify-self: stretch; }
  .app-install-close{ position: absolute; top: 6px; right: 6px; }
}

/* IC AI selection helper */
.ic-ai-selection-btn{
  position: absolute;
  z-index: 10010;
  display: none;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 0;
  background: #2737ff;
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .01em;
  box-shadow: 0 10px 24px rgba(39,55,255,.25);
  cursor: pointer;
}
.ic-ai-selection-btn:hover{
  background: #1f2ad8;
}
.ic-ai-selection-btn.is-visible{
  display: inline-flex;
}
.ic-ai-popover{
  position: absolute;
  z-index: 10020;
  width: min(380px, calc(100vw - 24px));
  background: #fff;
  color: #0f172a;
  border: 1px solid rgba(15,23,42,.12);
  border-radius: 16px;
  box-shadow: 0 20px 50px rgba(15,23,42,.2);
  display: none;
  overflow: hidden;
}
.ic-ai-popover.is-visible{
  display: block;
}
.ic-ai-popover-head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: #f8fafc;
  border-bottom: 1px solid rgba(15,23,42,.08);
  font-weight: 700;
  font-size: 13px;
}
.ic-ai-popover-title{
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.ic-ai-popover-close{
  border: 0;
  background: transparent;
  color: rgba(15,23,42,.6);
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: grid;
  place-items: center;
}
.ic-ai-popover-close:hover{
  background: rgba(15,23,42,.08);
  color: #0f172a;
}
.ic-ai-popover-body{
  padding: 12px;
  font-size: 13px;
  line-height: 1.55;
  max-height: 240px;
  overflow: auto;
  white-space: pre-wrap;
}
.ic-ai-popover-muted{
  font-size: 12px;
  color: rgba(15,23,42,.6);
}
.ic-ai-popover-actions{
  display: flex;
  gap: 8px;
  padding: 10px 12px;
  border-top: 1px solid rgba(15,23,42,.08);
  background: #fbfdff;
}
.ic-ai-popover-actions .btn{
  flex: 1;
}