/* ===== Tokens ===== */
:root {
  --bg: #fefbfa;
  --sidebar: #fcf8f8;
  --card: #fefbf9;
  --border: #EFE8DD;
  --border-strong: #E5DCCD;

  --ink: #1F1B16;
  --ink-2: #4A4339;
  --muted: #8A8278;
  --muted-2: #B5ADA1;

  --primary: #F45946;
  --primary-hover: #E84B39;
  --primary-soft: #FDE5DA;
  --primary-softer: #FEEFE8;

  --orange-tile: #FCE2D2;
  --pink-tile:   #FCDDD8;
  --yellow-tile: #FBE7C6;
  --purple-tile: #ECE3F6;
  --green-tile:  #DCEEDA;

  --chart-1: #E94B3C;
  --chart-2: #F4A47C;

  --green-700: #2F7A3E;
  --green-50:  #E4F2DD;
  --orange-700: #B45A1E;
  --orange-50:  #FBE7C6;
  --purple-700: #6B49B8;
  --purple-50:  #ECE3F6;
  --blue-700:  #2C5BB0;
  --blue-50:   #DEE8F8;
  --yellow-700: #8A6A14;
  --yellow-50:  #FBE7C6;

  --radius: 14px;
  --radius-sm: 10px;
  --shadow-card: 0 1px 4px rgba(31,27,22,0.04), 0 1px 2px rgba(31,27,22,0.02);

  --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --sans:  'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  /* Shared semantic tokens (align with admin/researcher) */
  --green:       #4F9E8B;
  --green-soft:  #D9F0EB;
  --amber:       #D9A05B;
  --amber-soft:  #FBE7C6;
  --danger:      #D63A2A;
  --danger-soft: #FDE5DA;
  --gray-soft:   #F1EDE6;
  --muted-2:     #B5ADA1;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html, body { background: var(--bg); }
body {
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* ===== Stage ===== */
.stage {
  width: 100%;
  background: var(--bg);
}
button { font-family: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }

/* ===== App shell ===== */
.app {
  display: grid;
  grid-template-columns: 231px 1fr;
  min-height: 100vh;
}

/* ===== Sidebar ===== */
.sidebar {
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 24px 16px 16px;
  min-height: 100vh;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 6px 42px;
}
.brand-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #fff;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.brand-name {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: var(--ink);
}
.brand-tag {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

.nav { display: flex; flex-direction: column; gap: 2px; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 500;
  background: transparent;
  border: 0;
  text-align: left;
  width: 100%;
  transition: background 0.15s, color 0.15s;
}
.nav-item:hover { background: rgba(239,106,72,0.08); color: var(--ink); }
.nav-item.active {
  background: var(--primary-soft);
  color: var(--primary);
}
.nav-item.active svg { color: var(--primary); }
.nav-item svg { color: var(--ink-2); flex-shrink: 0; }
.nav-item .badge-count {
  margin-left: auto;
  background: var(--primary);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  border-radius: 999px;
  padding: 2px 7px;
  min-width: 20px;
  text-align: center;
}

/* ===== Sidebar category labels ===== */
.sidebar-cat {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-2);
  padding: 14px 12px 6px;
  user-select: none;
}
.sidebar-cat:first-child { padding-top: 4px; }

.sidebar-spacer { flex: 1; }

.user-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: transparent;
  width: 100%;
  text-align: left;
}
.user-card:hover { background: rgba(0,0,0,0.03); }
.user-card--open { background: rgba(0,0,0,0.03); }
.user-initials {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--pink-tile);
  color: #B83C5E;
  display: grid; place-items: center;
  font-weight: 600;
  font-size: 13px;
}
.user-name { font-weight: 600; font-size: 13.5px; color: var(--ink); }
.user-role { font-size: 12px; color: var(--muted); }
.user-card .chev { margin-left: auto; color: var(--muted); }

/* User dropdown (opens upward) */
.user-dropdown {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 0;
  right: 0;
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 6px;
  box-shadow: 0 -2px 8px rgba(31,27,22,0.04), 0 1px 4px rgba(31,27,22,0.02);
  z-index: 40;
}
.user-dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 10px;
  border: 0;
  background: transparent;
  border-radius: 7px;
  font-size: 13.5px;
  color: var(--ink-2);
  text-align: left;
  transition: background 0.12s;
  cursor: pointer;
}
.user-dropdown-item:hover { background: var(--primary-softer); color: var(--primary); }
.user-dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 6px;
}

/* ===== Main ===== */
.main {
  width: 100%;
  padding: 25px 24px 28px;
  max-width: 1720px;
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 26px;
}
.greeting {
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.15;
  color: var(--ink);
  margin: 0 0 6px;
}
.greeting .wave { display: inline-block; transform-origin: 70% 70%; }
.greeting:hover .wave { animation: wave 1.4s ease 1; }
@keyframes wave {
  0%,100% { transform: rotate(0); }
  20% { transform: rotate(14deg); }
  40% { transform: rotate(-8deg); }
  60% { transform: rotate(14deg); }
  80% { transform: rotate(-4deg); }
}
.greeting-sub { color: var(--muted); font-size: 14px; margin: 0; }

.topbar-actions { display: flex; align-items: center; gap: 10px; }
.btn-soft {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  font-size: 13.5px;
  color: var(--ink-2);
  font-weight: 500;
  transition: border-color 0.15s, background 0.15s;
}
.btn-soft:hover { border-color: var(--muted-2); }
.icon-btn {
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  background: var(--card);
  border: 1px solid var(--border-strong);
  display: grid; place-items: center;
  position: relative;
  color: var(--ink-2);
  transition: border-color 0.15s;
}
.icon-btn:hover { border-color: var(--muted-2); }
.icon-btn .dot {
  position: absolute;
  top: 9px; right: 9px;
  width: 7px; height: 7px;
  background: var(--primary);
  border-radius: 50%;
  border: 2px solid var(--card);
}

.class-detail-tabs {
  display: flex;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 0 18px;
  min-height: 50px;
  border-bottom: 1.5px solid var(--border);
  margin-bottom: 22px;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.class-detail-tabs::-webkit-scrollbar { display: none; }
.class-detail-tabs button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
}

.class-detail-page {
  color: var(--ink);
}
.class-detail-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 18px;
  font-size: 12.5px;
  color: var(--muted);
  font-family: var(--sans);
}
.class-detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 28px;
}
.class-detail-title {
  font-family: var(--serif);
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--ink);
  line-height: 1.08;
}
.class-detail-meta {
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
  display: flex;
  gap: 10px;
  align-items: center;
  font-family: var(--sans);
}
.detail-kpis {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}
.detail-kpi {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.detail-kpi .stat-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
}
.detail-kpi-label {
  font-size: 11.5px;
  color: var(--ink);
  font-weight: 600;
  font-family: var(--sans);
  line-height: 1.2;
  white-space: nowrap;
}
.detail-kpi-value {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.12;
  margin-top: 6px;
  white-space: nowrap;
}
.detail-kpi-sub {
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11.5px;
  font-weight: 500;
  font-family: var(--sans);
  margin-top: 6px;
}
.detail-kpi-sub.up { color: #2F7A3E; }
.overview-grid {
  display: grid;
  gap: 18px;
}
.overview-grid-top {
  grid-template-columns: minmax(0, 1.36fr) minmax(440px, 1fr);
  margin-bottom: 18px;
}
.overview-grid-bottom {
  grid-template-columns: minmax(300px, 1fr) minmax(340px, 1.08fr) minmax(320px, 1fr);
  margin-bottom: 18px;
}
.level-distribution {
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 42px;
}
.level-legend {
  min-width: 250px;
  flex: 0 1 320px;
}
.level-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 16px;
}
.level-row:last-child { margin-bottom: 0; }
.status-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 18px;
}
.status-row {
  display: grid;
  grid-template-columns: 112px minmax(90px, 1fr) 80px;
  align-items: center;
  gap: 18px;
}
.status-name {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink-2);
  font-size: 13px;
  font-weight: 500;
  font-family: var(--sans);
}
.status-name span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
}
.status-bar {
  height: 5px;
  background: #EDE7DE;
  border-radius: 99px;
  overflow: hidden;
}
.status-bar div {
  height: 100%;
  border-radius: 99px;
}
.status-value {
  color: var(--ink-2);
  font-size: 12.5px;
  font-weight: 500;
  font-family: var(--sans);
  white-space: nowrap;
}
.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.metric-tile {
  background: #FEFBF8;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  min-width: 0;
}
.metric-label {
  color: var(--ink);
  font-size: 11.5px;
  font-weight: 500;
  font-family: var(--sans);
  margin-bottom: 6px;
}
.metric-value {
  font-family: var(--serif);
  color: var(--ink);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.05;
}
.metric-sub {
  color: var(--muted);
  font-size: 11.5px;
  font-weight: 500;
  font-family: var(--sans);
  margin-top: 7px;
}
.metric-sub.up { color: #2F7A3E; }
.recent-session-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 14px;
}
.recent-session-row {
  display: grid;
  grid-template-columns: minmax(130px, 1fr) auto auto;
  gap: 18px;
  align-items: center;
}
.recent-session-row svg {
  color: var(--ink-2);
  flex-shrink: 0;
}
.class-insight {
  margin-top: 18px;
  background: linear-gradient(135deg, #FFF3EF 0%, #FFF9F6 100%);
  border: 1px solid #F6DCD0;
  border-radius: var(--radius);
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  box-shadow: var(--shadow-card);
}
.class-insight-left {
  display: flex;
  align-items: center;
  gap: 18px;
  min-width: 0;
}
.class-insight-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--primary-softer);
  color: var(--primary);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.class-insight-title {
  font-size: 14px;
  color: var(--ink);
  font-weight: 700;
  font-family: var(--sans);
}
.class-insight-text {
  margin-top: 6px;
  color: var(--ink-2);
  font-size: 13px;
  font-family: var(--sans);
  line-height: 1.45;
}
.class-insight-action {
  background: rgba(255,255,255,0.45);
  border-color: #F4C5A8;
  font-size: 13px;
  padding: 10px 18px;
  flex-shrink: 0;
}

.activity-trends-tab {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.activity-trends-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 20px 22px 18px;
}
.activity-trends-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 8px;
}
.activity-trends-header h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.activity-trends-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.trend-subtabs {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  overflow: hidden;
  background: #FEFBF8;
  margin-bottom: 18px;
}
.trend-subtabs button {
  height: 34px;
  min-width: 92px;
  padding: 0 18px;
  border: 0;
  border-right: 1px solid var(--border);
  background: transparent;
  color: var(--ink-2);
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 500;
}
.trend-subtabs button:last-child { border-right: 0; }
.trend-subtabs button.active {
  color: var(--primary);
  background: var(--primary-softer);
}
.trend-main-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(410px, 1fr);
  gap: 24px;
}
.trend-chart-section {
  min-width: 0;
  padding: 4px 0 0 4px;
}
.trend-heatmap-section {
  min-width: 0;
  padding: 4px 0 0 24px;
  border-left: 1px solid var(--border);
}
.trend-section-title {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 14px;
}
.trend-section-title h3 {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 700;
}
.trend-section-title > svg {
  color: var(--muted-2);
}
.trend-section-title .dropdown {
  margin-left: auto;
}
.trend-section-title .btn-ghost {
  font-size: 12px;
  padding: 6px 10px;
}
.trend-legend {
  margin: 0 0 12px;
}
.trend-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: #FEFBF8;
}
.trend-summary-tile {
  text-align: center;
  padding: 9px 10px 8px;
  border-right: 1px solid var(--border);
}
.trend-summary-tile:last-child { border-right: 0; }
.trend-summary-tile div {
  color: #2F7A3E;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.05;
}
.trend-summary-tile strong {
  display: block;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 700;
  margin-top: 5px;
}
.trend-summary-tile span {
  display: block;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 11.5px;
  margin-top: 4px;
}
.trend-lower-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.36fr);
  gap: 18px;
}
.trend-lower-grid .card {
  padding: 18px 22px;
}
.trend-insight-list {
  display: flex;
  flex-direction: column;
  gap: 13px;
}
.trend-insight-row {
  display: flex;
  align-items: flex-start;
  gap: 11px;
}
.trend-insight-row > span:first-child {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary-softer);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

/* ===== Stat cards ===== */
.stats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin-bottom: 22px;
}
.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  box-shadow: var(--shadow-card);
  transition: border-color 0.15s, transform 0.15s;
}
.stat:hover { border-color: var(--border-strong); }
.stat-icon {
  width: 44px; height: 44px;
  border-radius: 50%;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.stat-icon.orange { background: var(--orange-tile); color: #C5532A; }
.stat-icon.coral  { background: var(--pink-tile);   color: #B83C5E; }
.stat-icon.peach  { background: var(--orange-tile); color: #C5532A; }
.stat-icon.purple { background: var(--purple-tile); color: #6B49B8; }
.stat-icon.gold   { background: var(--yellow-tile); color: #8A6A14; }

.stat-label { font-size: 12.5px; color: var(--muted); font-weight: 500; }
.stat-value {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 26px;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-top: 4px;
  line-height: 1.1;
}
.stat-foot {
  margin-top: 6px;
  font-size: 12px;
  color: var(--muted);
  display: flex; align-items: center; gap: 4px;
}
.stat-foot.up { color: #2F7A3E; }
.stat-foot a { color: var(--primary); font-weight: 500; }
.stat-foot a:hover { text-decoration: underline; }

/* ===== Accent-ring KPI cards (modernized dashboard stats) ===== */
.l-kpi-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin-bottom: 22px;
}
@media (max-width: 1200px) { .l-kpi-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 860px)  { .l-kpi-grid { grid-template-columns: repeat(2, 1fr); } }

.l-kpi {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
/* Decorative circle glow per accent */
.l-kpi::after {
  content: '';
  position: absolute;
  right: -30px; top: -30px;
  width: 120px; height: 120px;
  border-radius: 50%;
  opacity: 0.08;
  pointer-events: none;
}
.l-kpi--coral::after  { background: var(--primary); }
.l-kpi--teal::after   { background: var(--green); }
.l-kpi--amber::after  { background: var(--amber); }
.l-kpi--violet::after { background: #8E7AC9; }
.l-kpi--gold::after   { background: var(--amber); }

.l-kpi-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  display: grid; place-items: center;
  margin-bottom: 12px;
  position: relative; z-index: 1;
}
.l-kpi--coral .l-kpi-icon  { background: var(--primary-soft);  color: var(--primary); }
.l-kpi--teal .l-kpi-icon   { background: var(--green-soft);    color: var(--green); }
.l-kpi--amber .l-kpi-icon  { background: var(--amber-soft);    color: var(--amber); }
.l-kpi--violet .l-kpi-icon { background: #E2DFF4;              color: #4A4097; }
.l-kpi--gold .l-kpi-icon   { background: var(--yellow-tile);   color: var(--yellow-700); }

.l-kpi-val {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 28px;
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--ink);
  position: relative; z-index: 1;
}
.l-kpi-lab {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-weight: 600;
  margin-top: 4px;
  position: relative; z-index: 1;
}
.l-kpi-foot {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
  position: relative; z-index: 1;
}
.l-kpi-link {
  background: none; border: none; padding: 0;
  cursor: pointer;
  color: var(--primary);
  font-size: 12px; font-weight: 500;
  display: inline-flex; align-items: center; gap: 3px;
}
.l-kpi-link:hover { text-decoration: underline; }

/* ===== Delta chip (up/down change indicator) ===== */
.delta {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 11.5px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
}
.delta.up   { background: var(--green-soft);  color: var(--green); }
.delta.down { background: var(--danger-soft); color: var(--danger); }
.delta.flat { background: var(--gray-soft);   color: var(--muted); }

/* ===== Grid 2-col below stats ===== */
.grid-2 {
  display: grid;
  grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
  gap: 18px;
  margin-bottom: 18px;
}

/* ===== Card ===== */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-card);
}
.card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}
.card-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0 0 4px;
}
.card-sub { font-size: 13px; color: var(--muted); margin: 0; }
.link-cta {
  font-size: 13px;
  color: var(--primary);
  font-weight: 500;
  background: none; border: 0; padding: 0;
  display: inline-flex; align-items: center; gap: 4px;
}
.link-cta:hover { text-decoration: underline; }
.btn-ghost {
  font-size: 12.5px; font-weight: 500;
  color: var(--ink-2);
  border: 1px solid var(--border-strong);
  background: var(--card);
  padding: 6px 11px;
  border-radius: 8px;
  display: inline-flex; align-items: center; gap: 6px;
}
.btn-ghost:hover { border-color: var(--muted-2); }

/* ===== Chart legend & axes ===== */
.legend { display: flex; gap: 16px; align-items: center; margin: 6px 0 10px; }
.legend-item { display: flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--muted); }
.legend-dot { width: 10px; height: 10px; border-radius: 50%; }

.chart-wrap { position: relative; }

/* ===== Student list ===== */
.list { display: flex; flex-direction: column; }
.list-row {
  display: grid;
  grid-template-columns: 38px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px solid var(--border);
}
.list-row:last-child { border-bottom: 0; }
.list-row .avatar {
  width: 38px; height: 38px; border-radius: 50%; object-fit: cover;
  background: var(--pink-tile);
}
.list-name { font-weight: 600; font-size: 14px; color: var(--ink); }
.list-meta { font-size: 12.5px; color: var(--muted); margin-top: 2px; }
.list-right { text-align: right; }

/* ===== Pills / badges ===== */
.pill {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 500;
  padding: 3px 9px;
  border-radius: 999px;
  letter-spacing: 0.01em;
}
.pill.warn   { background: var(--orange-50); color: var(--orange-700); }
.pill.danger { background: #FBE2DB; color: #B73B25; }
.pill.purple { background: var(--purple-50); color: var(--purple-700); }
.pill.green  { background: var(--green-50);  color: var(--green-700); }
.pill.yellow { background: var(--yellow-50); color: var(--yellow-700); }
.pill.blue   { background: var(--blue-50);   color: var(--blue-700); }
.pill.coral  { background: #FBE2DB; color: #B73B25; }
.pill.inactive { background: #EEEAE4; color: #7A7470; }

.tag-level {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 6px;
  min-width: 28px;
  text-align: center;
  letter-spacing: 0.02em;
}
.tag-A1 { background: var(--orange-50); color: var(--orange-700); }
.tag-A2 { background: var(--green-50);  color: var(--green-700); }
.tag-B1 { background: var(--blue-50);   color: var(--blue-700); }
.tag-B2 { background: var(--purple-50); color: var(--purple-700); }
.tag-C1 { background: var(--yellow-50); color: var(--yellow-700); }

/* ===== Table ===== */
.table {
  width: 100%;
  border-collapse: collapse;
}
.table th {
  text-align: left;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}
.table td {
  padding: 14px 10px;
  font-size: 13.5px;
  color: var(--ink);
  border-bottom: 1px solid var(--border);
}
.table tr:last-child td { border-bottom: 0; }
.table th:first-child, .table td:first-child { padding-left: 0; }
.table th:last-child, .table td:last-child { padding-right: 0; }

.bar {
  position: relative;
  height: 6px;
  background: #F1EAE0;
  border-radius: 999px;
  overflow: hidden;
  width: 110px;
}
.bar-fill {
  position: absolute; left: 0; top: 0; bottom: 0;
  background: var(--primary);
  border-radius: 999px;
}
.bar-row { display: flex; align-items: center; gap: 10px; }
.bar-row span { font-size: 13px; color: var(--ink); min-width: 32px; }

/* ===== Recent assignments ===== */
.assign-row {
  display: grid;
  grid-template-columns: 36px 1fr auto auto;
  gap: 12px;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px solid var(--border);
}
.assign-row:last-child { border-bottom: 0; }
.assign-icon {
  width: 36px; height: 36px;
  border-radius: 8px;
  display: grid; place-items: center;
}
.assign-icon.coral  { background: var(--pink-tile);   color: #B83C5E; }
.assign-icon.green  { background: var(--green-50);    color: var(--green-700); }
.assign-icon.orange { background: var(--orange-50);   color: var(--orange-700); }
.assign-icon.peach  { background: var(--orange-tile); color: #C5532A; }
.assign-title { font-weight: 600; font-size: 13.5px; color: var(--ink); }
.assign-meta { font-size: 12.5px; color: var(--muted); margin-top: 2px; }
.assign-date { font-size: 12.5px; color: var(--muted); white-space: nowrap; }

/* ===== AI Banner ===== */
.ai-banner {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  box-shadow: var(--shadow-card);
}
.ai-banner-left { display: flex; align-items: center; gap: 16px; }
.ai-emoji {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--primary-softer);
  display: grid; place-items: center;
  font-size: 28px;
}
.ai-banner h3 {
  margin: 0 0 4px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.005em;
  color: var(--ink);
}
.ai-banner p { margin: 0; font-size: 13.5px; color: var(--muted); }
.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--primary);
  background: transparent;
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  padding: 11px 18px;
  border-radius: var(--radius-sm);
  transition: background 0.15s;
}
.btn-outline:hover { background: var(--primary-softer); }

/* ===== Date range dropdown ===== */
.dropdown { position: relative; }
.dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 220px;
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 6px;
  box-shadow: 0 4px 12px rgba(31,27,22,0.05);
  z-index: 20;
}
.dropdown-menu button {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  padding: 8px 10px;
  font-size: 13.5px;
  color: var(--ink-2);
  border-radius: 6px;
}
.dropdown-menu button:hover { background: var(--primary-softer); color: var(--primary); }
.dropdown-menu button.active { background: var(--primary-soft); color: var(--primary); font-weight: 500; }

/* ===== Toast ===== */
.toast {
  position: fixed;
  bottom: 24px; right: 24px;
  background: var(--ink);
  color: #fff;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 13px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.10);
  display: flex; align-items: center; gap: 10px;
  z-index: 100;
  animation: slideUp 0.25s ease both;
}
@keyframes slideUp {
  from { transform: translateY(8px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ===== Notification panel ===== */
.notif-panel {
  position: absolute;
  top: 48px; right: 0;
  width: 340px;
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 8px;
  box-shadow: 0 6px 16px rgba(31,27,22,0.06);
  z-index: 30;
}
.notif-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 12px 8px;
  border-bottom: 1px solid var(--border);
}
.notif-head h4 {
  margin: 0;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
}
.notif-head span { font-size: 11.5px; color: var(--muted); }
.notif-row {
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13px;
  color: var(--ink-2);
  display: flex; gap: 10px;
}
.notif-row:hover { background: var(--primary-softer); }
.notif-row .nbullet {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--primary);
  margin-top: 6px; flex-shrink: 0;
}
.notif-row.read .nbullet { background: var(--muted-2); }
.notif-row .ntime { font-size: 11.5px; color: var(--muted); margin-top: 2px; }

/* ===== Misc ===== */
.dot-3 { display: inline-block; vertical-align: middle; }

/* ===== Classes page ===== */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--primary); color: #fff;
  border: 0; font-family: var(--sans);
  font-weight: 600; font-size: 14px;
  padding: 10px 18px; border-radius: var(--radius-sm);
  cursor: pointer; transition: background 0.15s; white-space: nowrap;
}
.btn-primary:hover { background: var(--primary-hover); }

.cls-search {
  display: flex; align-items: center; gap: 9px;
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 0 14px; height: 38px; min-width: 252px;
  color: var(--muted);
  transition: border-color 0.15s;
}
.cls-search:focus-within { border-color: var(--primary); }
.cls-search input {
  border: 0; outline: 0; background: transparent;
  font-family: var(--sans); font-size: 14px; color: var(--ink); flex: 1;
}
.cls-search input::placeholder { color: var(--muted-2); }

.cls-filter-bar {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  box-shadow: var(--shadow-card);
  display: flex; align-items: flex-end;
  gap: 18px; flex-wrap: nowrap;
}

.filter-select {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 8px; padding: 0 12px;
  font-size: 13.5px; color: var(--ink-2);
  font-family: var(--sans); cursor: pointer;
  height: 38px; white-space: nowrap;
  transition: border-color 0.15s;
}
.filter-select:hover { border-color: var(--muted-2); }

.cls-clear-btn {
  display: flex; align-items: center; gap: 6px;
  background: transparent; border: 0; padding: 0 2px;
  color: var(--primary); font-size: 13.5px; font-weight: 500;
  font-family: var(--sans); cursor: pointer; height: 38px;
}
.cls-clear-btn:hover { text-decoration: underline; }

.cls-view-btn {
  display: flex; align-items: center; gap: 7px;
  padding: 8px 14px; border-radius: var(--radius-sm);
  font-size: 13.5px; font-weight: 500; font-family: var(--sans);
  background: var(--card); border: 1px solid var(--border-strong);
  color: var(--ink-2); cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.cls-view-btn.active { background: var(--primary-soft); color: var(--primary); border-color: transparent; }
.cls-view-btn:hover:not(.active) { border-color: var(--muted-2); }

.page-btn {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--card); border: 1px solid var(--border-strong);
  display: grid; place-items: center; color: var(--ink-2); cursor: pointer;
}
.page-btn:hover { border-color: var(--muted-2); }
.page-num {
  width: 32px; height: 32px; border-radius: 8px;
  background: transparent; border: 1px solid transparent;
  font-size: 13.5px; color: var(--muted); cursor: pointer;
  font-family: var(--sans); display: grid; place-items: center;
}
.page-num.active { background: var(--primary-soft); color: var(--primary); font-weight: 600; }
.page-num:hover:not(.active) { border-color: var(--border-strong); }

.cls-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px; margin-bottom: 22px;
}

.cls-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow-card);
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.cls-card:hover {
  border-color: var(--border-strong);
  box-shadow: 0 2px 10px rgba(31,27,22,0.06);
}

.cls-icon {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--primary-soft); color: var(--primary);
  display: grid; place-items: center; flex-shrink: 0;
}

.cls-code {
  font-family: var(--serif); font-weight: 600;
  font-size: 17px; letter-spacing: -0.01em;
  color: var(--ink); line-height: 1.1;
}
.cls-name { font-size: 12.5px; color: var(--muted); margin-top: 3px; }
.cls-students { font-size: 13px; color: var(--muted); margin-top: 12px; }
.cls-divider { height: 1px; background: var(--border); margin: 14px 0; }
.cls-stat-label { font-size: 11.5px; color: var(--muted); }
.cls-stat-value {
  font-size: 18px; font-weight: 600; color: var(--ink);
  margin-top: 3px; letter-spacing: -0.01em;
}

.cls-dots {
  background: transparent; border: 0; padding: 4px 6px;
  color: var(--muted-2); font-size: 17px; cursor: pointer;
  border-radius: 6px; line-height: 1; font-family: var(--sans);
  letter-spacing: 1px;
}
.cls-dots:hover { background: var(--border); color: var(--ink-2); }

.cls-card-menu {
  position: absolute; top: 28px; right: 0;
  min-width: 148px; background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); padding: 5px;
  box-shadow: 0 3px 10px rgba(31,27,22,0.06); z-index: 30;
}
.cls-card-menu button {
  display: block; width: 100%; text-align: left;
  background: transparent; border: 0; padding: 8px 10px;
  font-size: 13.5px; color: var(--ink-2); border-radius: 6px;
  font-family: var(--sans); cursor: pointer;
}
.cls-card-menu button:hover { background: var(--primary-softer); color: var(--primary); }

.cls-banner {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px 28px;
  box-shadow: var(--shadow-card);
  display: flex; align-items: center;
  justify-content: space-between; gap: 16px; overflow: hidden;
}
.cls-banner-icon {
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--primary-softer); color: var(--primary);
  display: grid; place-items: center; flex-shrink: 0;
}

/* ===== Responsive ===== */

/* Mobile sticky header (hamburger + logo) */
.mobile-header {
  display: none;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  background: var(--sidebar);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
  /* break out of main's side padding so it's full-width */
  margin: 0 -20px 24px;
  padding: 0 20px;
}
.mobile-header-brand {
  display: flex; align-items: center; gap: 10px;
}
.hamburger {
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid var(--border-strong);
  display: grid; place-items: center;
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color 0.15s;
}
.hamburger:hover { border-color: var(--muted-2); }

/* Sidebar backdrop overlay */
.sidebar-backdrop {
  position: fixed; inset: 0;
  background: rgba(31, 27, 22, 0.4);
  z-index: 29;
  cursor: pointer;
}

/* Scrollable wrapper for wide tables */
.table-scroll { overflow-x: auto; }

/* ============================================ */
/* ===== Sessions tab (class detail page) ===== */
/* ============================================ */
.sessions-tab { display: flex; flex-direction: column; gap: 18px; }

/* Filter bar */
.ses-filterbar {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 14px 18px;
  display: grid;
  grid-template-columns: auto auto auto 1fr auto;
  gap: 14px;
  align-items: end;
}
.ses-filter-group { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.ses-filter-group label {
  font-size: 11.5px; font-weight: 500; color: var(--muted);
  font-family: var(--sans);
}
.ses-filter-select {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 0 10px;
  height: 36px;
  font-size: 13px; color: var(--ink-2);
  font-family: var(--sans);
  cursor: pointer; white-space: nowrap;
  transition: border-color 0.15s;
}
.ses-filter-select svg:last-child { margin-left: auto; color: var(--muted); }
.ses-filter-select:hover { border-color: var(--muted-2); }
.ses-search {
  display: flex; align-items: center; gap: 8px;
  height: 36px; padding: 0 12px;
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  align-self: end;
}
.ses-search svg { color: var(--muted); flex-shrink: 0; }
.ses-search input {
  border: 0; outline: none; background: none;
  font-family: var(--sans); font-size: 13px; color: var(--ink);
  flex: 1; min-width: 0;
}
.ses-search input::placeholder { color: var(--muted-2); }
.ses-export { height: 36px; padding: 0 12px; align-self: end; }

/* Two-column main grid */
.ses-main-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 18px;
  align-items: start;
}

/* Sessions table card */
.ses-table-card { padding: 0; overflow: hidden; }
.ses-table-toolbar {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.ses-count {
  font-size: 12.5px; color: var(--muted); font-family: var(--sans);
}
.ses-refresh { width: 32px; height: 32px; margin-left: auto; }

.ses-table-scroll { overflow-x: auto; }
.ses-table {
  width: 100%; border-collapse: collapse;
  font-family: var(--sans);
}
.ses-table thead th {
  text-align: left;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--muted);
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  background: var(--card);
}
.ses-table tbody td {
  padding: 12px 10px;
  font-size: 12.5px;
  color: var(--ink-2);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.ses-row { cursor: pointer; transition: background 0.15s; }
.ses-row:hover { background: var(--primary-softer); }
.ses-row.selected { background: var(--primary-softer); }
.ses-row.selected td { border-bottom-color: transparent; }
.ses-table tbody tr:last-child td { border-bottom: 0; }

.ses-expand-cell { padding-left: 14px !important; padding-right: 0 !important; width: 24px; }
.ses-expand-btn {
  background: none; border: 0; padding: 4px;
  cursor: pointer; display: grid; place-items: center;
  color: var(--muted);
  transition: transform 0.15s;
}
.ses-expand-btn svg { transition: transform 0.15s; }
.ses-expand-btn.open svg { transform: rotate(90deg); color: var(--primary); }
.ses-expand-btn.open { color: var(--primary); }

.ses-student { display: flex; align-items: center; gap: 9px; min-width: 0; }
.ses-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: #FDE5DA; color: #EF6A48;
  display: grid; place-items: center;
  font-size: 11px; font-weight: 700; flex-shrink: 0;
}
.ses-student-name { font-size: 13px; font-weight: 600; color: var(--ink); line-height: 1.2; }
.ses-student-code { font-size: 11.5px; color: var(--muted); margin-top: 2px; }

.ses-date { font-size: 12.5px; color: var(--ink-2); font-weight: 500; }
.ses-time { font-size: 11.5px; color: var(--muted); margin-top: 2px; }

.ses-table .val { font-size: 12.5px; color: var(--ink); font-weight: 500; }
.ses-table .val-danger { font-size: 12.5px; color: #B73B25; font-weight: 600; }

.ses-type-chip {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  padding: 3px 9px;
  border-radius: 999px;
  white-space: nowrap;
}
.ses-status-pill {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  padding: 3px 9px;
  border-radius: 999px;
  white-space: nowrap;
}
.ses-row-more {
  background: none; border: 0; padding: 4px;
  border-radius: 6px;
  cursor: pointer; color: var(--muted);
  display: grid; place-items: center;
}
.ses-row-more:hover { background: var(--border); color: var(--ink-2); }
.ses-actions-cell { text-align: center; }
.ses-action-icon {
  background: none; border: 0; padding: 4px;
  border-radius: 6px; cursor: pointer; color: var(--muted);
  display: grid; place-items: center;
}
.ses-action-icon:hover { background: var(--border); color: var(--ink-2); }

/* Expanded session row */
.ses-expanded-row > td { background: var(--primary-softer); padding: 0 !important; border-bottom: 1px solid var(--border); }
.ses-expanded {
  display: grid;
  grid-template-columns: minmax(220px, 1.1fr) minmax(220px, 1fr) minmax(240px, 1.1fr);
  gap: 14px;
  padding: 14px 14px 16px;
}
.ses-preview, .ses-quick, .ses-trend-mini {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
}
.ses-preview-head, .ses-quick-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; margin-bottom: 10px;
}
.ses-preview-head strong, .ses-quick-head strong {
  font-size: 12.5px; font-weight: 600; color: var(--ink); font-family: var(--sans);
}
.ses-preview-list { display: flex; flex-direction: column; gap: 8px; }
.ses-preview-msg { display: flex; gap: 8px; align-items: flex-start; }
.ses-msg-avatar {
  width: 22px; height: 22px; border-radius: 50%;
  display: grid; place-items: center;
  font-size: 9.5px; font-weight: 700; flex-shrink: 0;
}
.ses-msg-avatar.ai { background: #FDE5DA; color: #EF6A48; }
.ses-msg-avatar.st { background: #FFE2DF; color: #B73B25; }
.ses-msg-body { min-width: 0; }
.ses-msg-speaker { font-size: 11px; font-weight: 600; color: var(--primary); line-height: 1.2; }
.ses-msg-text { font-size: 12px; color: var(--ink-2); margin-top: 2px; line-height: 1.35; }

.ses-quick-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}
.ses-quick-tile {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
}
.ses-quick-label { font-size: 10.5px; color: var(--muted); font-family: var(--sans); }
.ses-quick-value {
  font-family: var(--sans);
  font-size: 14px; font-weight: 600;
  color: var(--ink); margin-top: 3px;
}
.ses-quick-value.danger { color: #B73B25; }

.ses-mentor-note {
  margin-top: 8px;
  background: var(--primary-softer);
  border: 1px solid #F8D8C8;
  border-radius: 8px;
  padding: 8px 10px;
}
.ses-mentor-note-title { font-size: 11.5px; font-weight: 600; color: var(--ink); }
.ses-mentor-note-text { font-size: 11.5px; color: var(--ink-2); margin-top: 2px; line-height: 1.4; }

/* Footer / pagination */
.ses-table-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  font-family: var(--sans);
}
.ses-footer-left { font-size: 12px; color: var(--muted); }
.ses-footer-right { display: flex; align-items: center; gap: 6px; }
.ses-page-size {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--card); border: 1px solid var(--border-strong);
  border-radius: 8px; padding: 0 10px; height: 30px;
  font-size: 12.5px; color: var(--ink-2); cursor: pointer;
  font-family: var(--sans); margin-right: 4px;
}
.ses-page-size:hover { border-color: var(--muted-2); }

/* ============================================ */
/* === Right side: Session Detail panel === */
/* ============================================ */
.ses-detail-card { padding: 16px 18px; }
.ses-detail-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.ses-detail-head h3 {
  margin: 0;
  font-family: var(--sans);
  font-size: 14.5px; font-weight: 600; color: var(--ink);
}
.ses-detail-close {
  width: 26px; height: 26px;
  background: none; border: 0; border-radius: 6px;
  display: grid; place-items: center;
  color: var(--muted); cursor: pointer;
}
.ses-detail-close:hover { background: var(--border); color: var(--ink-2); }
.ses-detail-close .rot-45 { display: inline-flex; transform: rotate(45deg); }

.ses-detail-student { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ses-detail-avatar {
  width: 38px; height: 38px; border-radius: 50%;
  background: #FDE5DA; color: #EF6A48;
  display: grid; place-items: center;
  font-size: 13px; font-weight: 700; flex-shrink: 0;
}
.ses-detail-id { flex: 1; min-width: 0; }
.ses-detail-name { font-family: var(--sans); font-size: 14px; font-weight: 600; color: var(--ink); line-height: 1.2; }
.ses-detail-meta { font-size: 11.5px; color: var(--muted); margin-top: 2px; font-family: var(--sans); }
.ses-detail-sub {
  font-size: 11.5px; color: var(--muted);
  font-family: var(--sans);
  margin-top: 8px;
}

/* Audio player */
.ses-player {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
  margin-top: 12px;
}
.ses-play-btn {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--primary-soft); color: var(--primary);
  border: 0; display: grid; place-items: center; cursor: pointer;
  flex-shrink: 0;
}
.ses-play-btn:hover { background: #FBD0BE; }
.ses-wave {
  flex: 1; min-width: 0;
  display: flex; align-items: center; gap: 1.5px;
  height: 24px; overflow: hidden;
}
.ses-wave span {
  display: inline-block; width: 2px; border-radius: 1px;
  flex-shrink: 0;
}
.ses-time-disp {
  font-size: 11px; color: var(--muted); font-family: var(--sans);
  white-space: nowrap;
}
.ses-speed {
  background: var(--card); border: 1px solid var(--border-strong);
  border-radius: 6px;
  font-size: 11px; padding: 3px 6px;
  color: var(--ink-2); cursor: pointer; font-family: var(--sans);
}

/* Stat tiles in detail */
.ses-detail-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 12px;
}
.ses-stat {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
}
.ses-stat-label { font-size: 10.5px; color: var(--muted); font-family: var(--sans); }
.ses-stat-value {
  font-family: var(--sans);
  font-size: 13.5px; font-weight: 600; color: var(--ink);
  margin-top: 3px;
}
.ses-stat-value.danger { color: #B73B25; }

/* Detail sub-tabs */
.ses-detail-tabs {
  display: flex; gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-top: 16px;
  margin-bottom: 10px;
}
.ses-detail-tabs button {
  background: none; border: 0;
  padding: 8px 4px;
  margin-right: 14px;
  font-size: 12.5px; font-family: var(--sans); font-weight: 500;
  color: var(--muted); cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.ses-detail-tabs button.active { color: var(--primary); font-weight: 600; border-bottom-color: var(--primary); }

.ses-transcript-legend {
  display: flex; flex-wrap: wrap; gap: 12px;
  font-size: 10.5px; color: var(--muted); font-family: var(--sans);
  margin-bottom: 8px;
}
.ses-transcript-legend > span { display: inline-flex; align-items: center; gap: 5px; }
.ses-transcript-legend .dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }

.ses-transcript {
  display: flex; flex-direction: column; gap: 10px;
  font-family: var(--sans);
}
.ses-line { display: grid; grid-template-columns: 38px 1fr; gap: 6px; }
.ses-line-time { font-size: 10.5px; color: var(--muted); padding-top: 1px; }
.ses-line-body { min-width: 0; font-size: 12px; line-height: 1.5; color: var(--ink-2); }
.ses-line-speaker { font-weight: 600; margin-right: 4px; }
.ses-line-speaker.ai { color: var(--primary); }
.ses-line-speaker.st { color: var(--ink); }
.ses-hl {
  background: #F4D8B8; color: var(--ink);
  padding: 1px 4px; border-radius: 4px; font-weight: 500;
}
.ses-line-note {
  margin-top: 3px;
  font-size: 11px; color: #A66A19;
  background: #FCEEDC;
  border-radius: 4px;
  padding: 3px 8px;
  display: inline-block;
}
.ses-view-full { margin-top: 4px; padding-left: 44px; }

.ses-mentor-comment {
  background: var(--primary-softer);
  border: 1px solid #F8D8C8;
  border-radius: 8px;
  padding: 10px 12px;
  margin-top: 14px;
}
.ses-mentor-comment-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 4px;
}
.ses-mentor-comment-head strong {
  font-size: 12px; font-weight: 600; color: var(--ink); font-family: var(--sans);
}
.ses-mentor-edit {
  background: none; border: 0; padding: 2px;
  color: var(--muted); cursor: pointer;
}
.ses-mentor-edit:hover { color: var(--ink-2); }
.ses-mentor-comment-text {
  font-size: 11.5px; color: var(--ink-2);
  font-family: var(--sans); line-height: 1.45;
}

.ses-detail-actions {
  display: flex; gap: 8px; align-items: center;
  margin-top: 14px;
}
.ses-detail-actions .btn-ghost { font-size: 12px; padding: 6px 10px; }
.ses-detail-actions .icon-btn { width: 30px; height: 30px; margin-left: auto; }

.ses-detail-empty {
  padding: 40px 0; text-align: center;
}

/* ── Sessions tab responsive ── */
@media (max-width: 1280px) {
  .ses-main-grid { grid-template-columns: 1fr; }
  .ses-detail-card { max-width: 720px; }
  .ses-expanded { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .ses-filterbar { grid-template-columns: 1fr 1fr; }
  .ses-search { grid-column: 1 / -1; }
  .ses-export { grid-column: 1 / -1; justify-content: center; }
  .ses-expanded { grid-template-columns: 1fr; }
  .ses-detail-stats { grid-template-columns: repeat(2, 1fr); }
}

/* ── Tablet (sidebar overlay, 2-col stats) ── */
@media (max-width: 1023px) {
  .mobile-header { display: flex; }

  .app { grid-template-columns: 1fr; }

  .sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    min-height: 100dvh;
    z-index: 30;
    transform: translateX(-260px);
    transition: transform 0.25s ease;
    box-shadow: none;
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 16px rgba(31, 27, 22, 0.07);
  }

  .main { padding: 0 20px 40px; }

  .stats { grid-template-columns: repeat(3, 1fr); }
  .detail-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .overview-grid-top,
  .overview-grid-bottom { grid-template-columns: 1fr; }
  .trend-main-grid,
  .trend-lower-grid { grid-template-columns: 1fr; }
  .trend-heatmap-section {
    border-left: 0;
    border-top: 1px solid var(--border);
    padding: 20px 0 0;
  }
  .level-distribution { justify-content: flex-start; }
  .grid-2 { grid-template-columns: 1fr; }
  .cls-grid { grid-template-columns: repeat(2, 1fr); }
  .cls-filter-bar { flex-wrap: wrap; gap: 12px; }
  .cls-search { min-width: 0; flex: 1 1 200px; }
}

/* ── Mobile (2-col stats, single-col classes) ── */
@media (max-width: 640px) {
  .mobile-header { margin: 0 -14px 20px; padding: 0 14px; }
  .main { padding: 0 14px 32px; }

  .greeting { font-size: 22px; }
  .class-detail-header { flex-direction: column; }
  .class-detail-title { font-size: 28px; }
  .class-detail-meta { flex-wrap: wrap; }
  .detail-kpis { grid-template-columns: 1fr; }
  .detail-kpi { padding: 16px; }
  .activity-trends-panel { padding: 18px 14px; }
  .activity-trends-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .activity-trends-actions {
    width: 100%;
    flex-wrap: wrap;
  }
  .trend-subtabs {
    display: flex;
    width: 100%;
    overflow-x: auto;
  }
  .trend-subtabs button { min-width: max-content; }
  .trend-summary-grid { grid-template-columns: 1fr; }
  .trend-summary-tile {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }
  .trend-summary-tile:last-child { border-bottom: 0; }
  .level-distribution { flex-direction: column; align-items: flex-start; gap: 18px; }
  .level-legend { width: 100%; min-width: 0; }
  .status-row { grid-template-columns: 1fr; gap: 7px; }
  .metric-grid { grid-template-columns: 1fr; }
  .recent-session-row { grid-template-columns: 1fr; gap: 4px; }
  .class-insight { flex-direction: column; align-items: flex-start; }
  .class-insight-action { width: 100%; justify-content: center; }
  .topbar { flex-direction: column; gap: 10px; }
  .topbar-actions { flex-wrap: wrap; gap: 8px; }

  .stats { grid-template-columns: repeat(2, 1fr); }

  .assign-row { grid-template-columns: 36px 1fr auto; }
  .assign-date { display: none; }

  .cls-grid { grid-template-columns: 1fr; }
  .cls-filter-bar { padding: 14px 16px; }
  .cls-banner { flex-direction: column; align-items: flex-start; }
}

/* ===== Announcements ===== */
.ann-page { display: flex; flex-direction: column; }
.ann-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin-bottom: 22px;
}
.ann-title-tile {
  width: 40px; height: 40px; border-radius: 8px;
  background: var(--primary-soft); color: var(--primary);
  display: grid; place-items: center; flex-shrink: 0;
}
.ann-title {
  font-family: var(--serif); font-size: 32px; font-weight: 700;
  letter-spacing: -0.015em; margin: 0; color: var(--ink); line-height: 1.1;
}
.ann-sub { font-size: 13.5px; color: var(--muted); margin: 4px 0 0; }
.ann-header-actions {
  display: inline-flex; align-items: center; gap: 10px;
  flex-shrink: 0;
}
.ann-new-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: #FFE9E1; border: 1px solid #FFE0D4;
  border-radius: 10px; padding: 9px 14px;
  font-size: 13px; color: #F45D50; font-weight: 600;
  font-family: var(--sans);
  box-shadow: 0 1px 2px rgba(244,89,70,0.08);
}
.ann-new-btn:hover { background: #FFE0D4; border-color: #FFD3C4; }
.ann-tips-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; padding: 9px 14px;
  font-size: 13px; color: var(--ink-2); font-weight: 500;
  font-family: var(--sans);
}
.ann-tips-btn:hover { border-color: var(--muted-2); }
.ann-tips-icon {
  width: 22px; height: 22px; border-radius: 6px;
  background: var(--primary-softer); color: var(--primary);
  display: grid; place-items: center;
}

.ann-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 374px;
  gap: 18px;
  align-items: start;
}
.ann-side-rail {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
  position: sticky;
  top: 16px;
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  scrollbar-width: thin;
}

/* LEFT card */
.ann-main-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-card);
  padding: 18px 20px 16px;
}
.ann-controls {
  display: flex; gap: 10px; align-items: center;
  margin-bottom: 4px;
}
.ann-tabs { margin-top: 28px; margin-bottom: 6px; }

.ann-table-wrap { overflow-x: auto; }
.ann-table {
  width: 100%; border-collapse: collapse;
  font-family: var(--sans);
}
.ann-table thead th {
  text-align: left; font-size: 12px; font-weight: 500;
  color: var(--muted); padding: 16px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.ann-table tbody td {
  padding: 15px 10px; font-size: 13px;
  color: var(--ink); vertical-align: top;
  border-bottom: 1px solid var(--border);
}
.ann-table tbody tr:last-child td { border-bottom: 0; }

.ann-row-main {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  position: relative;
}
.ann-row-pin {
  position: absolute;
  left: -22px;
  top: 8px;
  color: var(--primary);
}
.ann-row-tile {
  width: 48px; height: 48px; border-radius: 50%;
  display: grid; place-items: center; flex-shrink: 0;
}
.ann-row-title {
  font-size: 13.5px; font-weight: 600;
  color: var(--ink); font-family: var(--sans);
  margin-bottom: 5px;
}
.ann-row-desc { font-size: 12.5px; color: var(--muted); line-height: 1.45; }

.ann-aud-tags { display: flex; flex-direction: row; flex-wrap: wrap; gap: 6px; }
.ann-aud-tag {
  display: inline-block; align-self: flex-start;
  background: #F4ECE2; color: var(--ink-2);
  font-size: 11.5px; padding: 3px 9px; border-radius: 6px;
  font-weight: 500; white-space: nowrap;
}
.ann-aud-tag.more { background: #EDE3D6; color: var(--muted); font-weight: 600; }

.ann-row-date { font-size: 13px; color: var(--ink-2); font-weight: 500; }
.ann-row-time { font-size: 12px; color: var(--muted); margin-top: 2px; }

.ann-row-eng { font-size: 13px; color: var(--ink-2); font-weight: 500; }
.ann-row-eng-pct { font-size: 12.5px; color: var(--green-700); margin-top: 2px; font-weight: 600; }

.ann-row-dots {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 8px; width: 30px; height: 30px;
  display: grid; place-items: center; color: var(--muted);
}
.ann-row-dots:hover { border-color: var(--muted-2); color: var(--ink-2); }

.ann-pagination {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 4px 4px;
}
.ann-pag-info { font-size: 12.5px; color: var(--muted); }

.ann-info-strip {
  display: flex; gap: 10px; align-items: flex-start;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px; margin-top: 22px;
  font-size: 12.5px; color: var(--muted);
}
.ann-info-strip svg { color: var(--muted); flex-shrink: 0; margin-top: 1px; }
.ann-info-link {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--purple-700);
  font-size: 12.5px;
  font-weight: 500;
  white-space: nowrap;
  align-self: center;
}

/* RIGHT card */
.ann-create-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-card);
  padding: 20px 18px 18px;
}
.ann-create-title {
  font-family: var(--serif); font-size: 18px; font-weight: 700;
  letter-spacing: -0.01em; margin: 0; color: var(--ink);
}
.ann-create-sub { font-size: 12.5px; color: var(--muted); margin: 4px 0 14px; }

.ann-field { margin-bottom: 14px; }
.ann-field label {
  display: block; font-size: 12.5px; font-weight: 500;
  color: var(--ink-2); margin-bottom: 6px;
}
.ann-required { color: var(--primary); }

.ann-input {
  width: 100%; border: 1px solid var(--border);
  border-radius: 8px; padding: 9px 11px;
  font-size: 13px; color: var(--ink); background: var(--card);
  font-family: var(--sans);
}
.ann-input:focus { outline: none; border-color: var(--primary); }
.ann-input::placeholder { color: var(--muted-2); }

.ann-editor {
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--card); overflow: hidden;
}
.ann-editor-toolbar {
  display: flex; gap: 2px; padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  background: #FBF5EE;
}
.ann-editor-toolbar button {
  width: 26px; height: 26px; border: 0; background: transparent;
  border-radius: 5px; color: var(--ink-2);
  display: grid; place-items: center;
}
.ann-editor-toolbar button:hover { background: var(--primary-softer); color: var(--primary); }
.ann-textarea {
  width: 100%; border: 0; padding: 10px 12px;
  font-size: 13px; color: var(--ink); resize: vertical;
  font-family: var(--sans); background: var(--card);
  min-height: 96px;
}
.ann-textarea:focus { outline: none; }
.ann-textarea::placeholder { color: var(--muted-2); }

.ann-audience-trigger {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 9px 11px; border: 1px solid var(--border);
  border-radius: 8px; background: var(--card);
  font-size: 13px; color: var(--ink); font-family: var(--sans);
  text-align: left;
}
.ann-audience-trigger:hover { border-color: var(--muted-2); }
.ann-audience-panel {
  margin-top: 6px; border: 1px solid var(--border);
  border-radius: 10px; background: var(--card);
  padding: 8px;
}
.ann-audience-search {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 10px; border: 1px solid var(--border);
  border-radius: 8px; color: var(--muted);
}
.ann-audience-search input {
  border: 0; outline: none; flex: 1;
  font-size: 12.5px; background: transparent;
  font-family: var(--sans); color: var(--ink);
}
.ann-audience-list { margin-top: 6px; max-height: 180px; overflow-y: auto; }
.ann-audience-row {
  width: 100%; display: flex; align-items: center; gap: 9px;
  padding: 7px 8px; border: 0; background: transparent;
  border-radius: 7px; font-family: var(--sans);
  font-size: 12.5px; color: var(--ink); text-align: left;
}
.ann-audience-row:hover { background: var(--bg); }
.ann-audience-row.checked { background: var(--primary-softer); }
.ann-audience-label { flex: 1; }
.ann-audience-count { color: var(--muted); font-size: 11.5px; }
.ann-checkbox {
  width: 16px; height: 16px; border: 1.4px solid var(--border-strong);
  border-radius: 4px; display: grid; place-items: center;
  background: var(--card); color: var(--card); flex-shrink: 0;
}
.ann-checkbox.checked { background: var(--primary); border-color: var(--primary); color: #fff; }

.ann-audience-custom {
  display: inline-flex; align-items: center; gap: 6px;
  background: transparent; border: 0;
  color: var(--primary); font-weight: 500; font-size: 12.5px;
  margin-top: 6px; padding: 6px 8px; font-family: var(--sans);
}

.ann-schedule-row {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px; border: 1px solid var(--border);
  border-radius: 10px; margin-bottom: 14px;
  background: var(--card);
}
.ann-schedule-icon {
  width: 28px; height: 28px; border-radius: 7px;
  background: var(--primary-softer); color: var(--primary);
  display: grid; place-items: center; flex-shrink: 0;
}
.ann-toggle {
  width: 36px; height: 20px; border-radius: 999px;
  border: 0; background: #DDD3C5; position: relative;
  transition: background 0.15s;
}
.ann-toggle.on { background: var(--primary); }
.ann-toggle-knob {
  position: absolute; top: 2px; left: 2px;
  width: 16px; height: 16px; border-radius: 50%;
  background: #fff; transition: left 0.15s;
  box-shadow: 0 1px 2px rgba(0,0,0,0.15);
}
.ann-toggle.on .ann-toggle-knob { left: 18px; }

.ann-actions { display: flex; gap: 10px; margin-bottom: 14px; }

.ann-learn {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--purple-700); font-size: 12.5px; font-weight: 500;
  justify-content: center; width: 100%;
}

/* ─── Scheduled tab ─── */
.ann-sched-wrap { display: flex; flex-direction: column; gap: 18px; padding-top: 6px; }

.ann-sched-stats {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.ann-sched-stat {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 14px;
  display: flex; flex-direction: column; gap: 4px;
  position: relative;
}
.ann-sched-stat-icon {
  width: 30px; height: 30px; border-radius: 8px;
  display: grid; place-items: center; margin-bottom: 4px;
}
.ann-sched-stat-label { font-size: 12px; color: var(--muted); font-weight: 500; }
.ann-sched-stat-value {
  font-family: var(--serif); font-size: 22px; font-weight: 700;
  color: var(--ink); letter-spacing: -0.01em; line-height: 1.1;
}
.ann-sched-stat-sub { font-size: 11.5px; margin-top: 2px; }
.ann-sched-stat-sub.muted   { color: var(--muted); }
.ann-sched-stat-sub.primary { color: var(--primary); font-weight: 600; }
.ann-sched-stat-sub.green   { color: var(--green-700); font-weight: 600; }

.ann-sched-section {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px 18px;
}
.ann-sched-section-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 12px; margin-bottom: 14px; flex-wrap: wrap;
}
.ann-sched-section-title {
  font-family: var(--serif); font-size: 16px; font-weight: 600;
  color: var(--ink); letter-spacing: -0.01em;
  display: inline-flex; align-items: center; gap: 6px;
}
.ann-sched-section-title svg { color: var(--muted-2); }
.ann-sched-section-sub { font-size: 12.5px; color: var(--muted); margin-top: 3px; }
.ann-sched-count { color: var(--muted); font-weight: 500; }

.ann-sched-toggle {
  display: inline-flex; background: var(--bg);
  border: 1px solid var(--border); border-radius: 8px; padding: 2px;
}
.ann-sched-toggle button {
  font-size: 12px; padding: 5px 12px; border-radius: 6px;
  background: transparent; border: 0; color: var(--muted-2);
  font-family: var(--sans); font-weight: 500;
}
.ann-sched-toggle button.active { background: var(--card); color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,0.05); }

.ann-sched-range {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 500; color: var(--ink-2);
}

/* timeline grid */
.ann-tl-grid {
  display: grid;
  grid-template-columns: 70px repeat(7, minmax(0, 1fr));
  border: 1px solid var(--border); border-radius: 10px;
  overflow: hidden; background: var(--card);
}
.ann-tl-col-head {
  font-size: 12px; color: var(--muted); font-weight: 500;
  padding: 10px 8px; text-align: center;
  border-bottom: 1px solid var(--border);
  border-left: 1px solid var(--border);
}
.ann-tl-col-head:first-child { border-left: 0; }
.ann-tl-col-head.today { color: var(--primary); font-weight: 600; }
.ann-tl-row-head {
  font-size: 11.5px; color: var(--muted);
  padding: 8px; border-top: 1px dashed var(--border);
  display: flex; align-items: flex-start; justify-content: flex-end;
}
.ann-tl-cell {
  border-top: 1px dashed var(--border);
  border-left: 1px dashed var(--border);
  height: 64px; padding: 4px; position: relative;
  min-width: 0;
}
.ann-tl-event {
  border-radius: 8px 14px 8px 8px; padding: 7px 26px 7px 8px;
  font-size: 11.5px; line-height: 1.35;
  display: flex; flex-direction: column; gap: 2px;
  border: 1px solid transparent;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font-family: var(--sans);
  text-align: left;
  position: absolute;
  top: 4px; left: 4px; right: 4px;
  min-height: 96px;
  z-index: 2;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(31,27,22,0.05);
}
.ann-tl-event:hover,
.ann-tl-event.active {
  box-shadow: 0 0 0 2px rgba(244,89,70,0.18), 0 6px 16px rgba(31,27,22,0.09);
}
.ann-tl-event:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.ann-tl-event::before {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 26px;
  height: 26px;
  background: var(--event-fold, rgba(255,255,255,0.72));
  border-left: 1px solid var(--event-fold-border, currentColor);
  border-bottom: 1px solid var(--event-fold-border, currentColor);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
  box-shadow: -1px 1px 2px rgba(31,27,22,0.08);
}
.ann-tl-event::after {
  content: "";
  position: absolute;
  top: 18px;
  right: 18px;
  width: 14px;
  height: 1px;
  background: var(--event-fold-border, currentColor);
  transform: rotate(45deg);
  transform-origin: center;
  opacity: 0.55;
}
.ann-tl-event-time { font-weight: 600; font-size: 11px; }
.ann-tl-event-title { font-weight: 600; color: var(--ink); font-family: var(--serif); font-size: 12px; letter-spacing: -0.005em; }
.ann-tl-event-cls { color: var(--muted); font-size: 11px; }
.ann-tl-event-meta { color: var(--muted); font-size: 11px; display: inline-flex; align-items: center; gap: 4px; }
.ann-tl-event.tone-coral  { background: #FBE2DB; border-color: #F4C8BB; --event-fold: #FFF3EF; --event-fold-border: #F0B8A8; }
.ann-tl-event.tone-coral  .ann-tl-event-time { color: #B73B25; }
.ann-tl-event.tone-purple { background: #ECE3F6; border-color: #D5C4EC; --event-fold: #F7F1FC; --event-fold-border: #C7B2E4; }
.ann-tl-event.tone-purple .ann-tl-event-time { color: #6B49B8; }
.ann-tl-event.tone-blue   { background: #DEE8F8; border-color: #C0D2EE; --event-fold: #F1F6FE; --event-fold-border: #ABC4EA; }
.ann-tl-event.tone-blue   .ann-tl-event-time { color: #2C5BB0; }

/* best-time banner */
.ann-best-banner {
  margin-top: 14px;
  background: #F2EBFB; border: 1px solid #E0D2F1;
  border-radius: 10px; padding: 12px 14px;
  display: flex; align-items: center; gap: 12px;
}
.ann-best-banner-icon {
  width: 28px; height: 28px; border-radius: 7px;
  background: #fff; color: #6B49B8; display: grid; place-items: center;
  flex-shrink: 0;
}
.ann-best-banner-title { font-size: 13px; font-weight: 600; color: var(--ink); }
.ann-best-banner-sub   { font-size: 12.5px; color: var(--muted); margin-top: 1px; }
.ann-best-banner-sub b { color: var(--ink-2); font-weight: 600; }
.ann-best-banner-link {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 12.5px; color: #6B49B8; font-weight: 500;
  text-decoration: none;
}

/* upcoming-scheduled table extras */
.ann-row-when {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 13px; font-weight: 500; color: var(--primary);
}
.ann-sched-table tbody tr { cursor: pointer; }
.ann-sched-table tbody tr:hover,
.ann-sched-table tbody tr.ann-sched-row-active {
  background: #FFF6F1;
}
.ann-sched-table .pill.green { background: var(--green-50); color: var(--green-700); }
.ann-sched-viewall {
  display: inline-flex; align-items: center; gap: 5px;
  color: var(--primary); font-size: 13px; font-weight: 500;
  text-decoration: none;
}

.ann-detail-head {
  display: flex; align-items: flex-start; gap: 12px;
  margin-bottom: 12px;
}
.ann-detail-kicker {
  color: var(--primary); font-size: 11.5px; font-weight: 700;
  letter-spacing: 0.02em; text-transform: uppercase;
  margin-bottom: 3px;
}
.ann-detail-desc {
  color: var(--muted); font-size: 12.5px; line-height: 1.45;
  margin: 0 0 14px;
}
.ann-detail-meta-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
  margin-bottom: 14px;
}
.ann-detail-meta {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px;
}
.ann-detail-meta span,
.ann-detail-label {
  display: block; color: var(--muted); font-size: 11.5px;
  font-weight: 500; margin-bottom: 5px;
}
.ann-detail-meta strong {
  display: inline-flex; align-items: center; gap: 5px;
  color: var(--ink); font-size: 13px; font-weight: 700;
}
.ann-detail-meta em {
  display: block; color: var(--muted); font-size: 11.5px;
  font-style: normal; margin-top: 3px;
}
.ann-detail-section {
  border-top: 1px solid var(--border);
  padding-top: 12px; margin-top: 12px;
}
.ann-detail-prediction {
  display: flex; align-items: center; gap: 8px;
  color: var(--muted); font-size: 12.5px;
}
.ann-detail-actions {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
  margin-top: 16px;
}
.ann-detail-actions .btn-soft,
.ann-detail-actions .btn-primary {
  justify-content: center;
}

/* schedule-later pickers */
.ann-sched-pickers {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
  margin-bottom: 12px;
}
.ann-sched-picker {
  position: relative;
  display: flex; align-items: center;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 8px; padding: 0 10px;
}
.ann-sched-picker input {
  flex: 1; border: 0; padding: 9px 0; font-size: 12.5px;
  color: var(--ink-2); background: transparent; font-family: var(--sans);
}
.ann-sched-picker input:focus { outline: none; }
.ann-sched-picker svg { color: var(--muted-2); flex-shrink: 0; }

/* right-column extras */
.ann-sched-side { display: flex; flex-direction: column; gap: 14px; }
.ann-side-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 14px 16px; box-shadow: var(--shadow-card);
}
.ann-side-title { font-family: var(--serif); font-size: 14px; font-weight: 600; color: var(--ink); letter-spacing: -0.005em; }
.ann-side-title-row { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 12px; }
.ann-side-icon-tile {
  width: 28px; height: 28px; border-radius: 7px;
  background: #ECE3F6; color: #6B49B8; display: grid; place-items: center;
  flex-shrink: 0;
}
.ann-side-sub { font-size: 11.5px; color: var(--muted); }

/* heatmap */
.ann-heatmap { font-family: var(--sans); margin-top: 10px; }
.ann-heatmap-grid {
  display: grid; grid-template-columns: 32px repeat(12, 1fr);
  gap: 3px; align-items: center;
}
.ann-heatmap-row-label { font-size: 11px; color: var(--muted); }
.ann-heatmap-hour { font-size: 9.5px; color: var(--muted-2); text-align: center; }
.ann-heatmap-cell {
  aspect-ratio: 1; border-radius: 3px; background: #F4EBE5;
}
.ann-heatmap-cell.lvl-0 { background: #F4EBE5; }
.ann-heatmap-cell.lvl-1 { background: #FAD6C5; }
.ann-heatmap-cell.lvl-2 { background: #F4A98A; }
.ann-heatmap-cell.lvl-3 { background: #ED7E55; }
.ann-heatmap-cell.lvl-4 { background: #DD4E1E; }
.ann-heatmap-legend {
  display: flex; align-items: center; gap: 8px; margin-top: 12px;
  font-size: 11px; color: var(--muted); justify-content: space-between;
}
.ann-heatmap-legend-bar { display: inline-flex; gap: 3px; }
.ann-heatmap-legend-bar .ann-heatmap-cell { width: 14px; height: 14px; }

/* best-time suggestions */
.ann-best-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
  background: var(--bg); border-radius: 8px; padding: 12px; margin-bottom: 12px;
}
.ann-best-label { font-size: 11.5px; color: var(--muted); margin-bottom: 4px; }
.ann-best-time  { font-size: 13px; color: var(--ink-2); font-weight: 600; }
.ann-best-use {
  width: 100%; padding: 10px; border-radius: 8px;
  background: var(--card); border: 1px solid var(--primary);
  color: var(--primary); font-weight: 600; font-size: 13px;
  font-family: var(--sans);
}
.ann-best-use:hover { background: var(--primary-softer); }

@media (max-width: 1100px) {
  .ann-grid { grid-template-columns: 1fr; }
  .ann-side-rail {
    position: static;
    max-height: none;
    overflow: visible;
  }
  .ann-sched-stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .ann-controls { flex-wrap: wrap; }
  .ann-header { flex-direction: column; align-items: flex-start; }
  .ann-header-actions { width: 100%; }
  .ann-new-btn,
  .ann-tips-btn { flex: 1; justify-content: center; }
  .ann-sched-stats { grid-template-columns: 1fr; }
}

/* ─── Drafts tab ─── */
.ann-draft-wrap { display: flex; flex-direction: column; gap: 18px; padding-top: 4px; }

.ann-sched-stat-sub.down {
  color: var(--danger, #e53935); font-weight: 600;
  display: inline-flex; align-items: center; gap: 3px;
}
.ann-sched-stat-sub.up {
  color: var(--green-700); font-weight: 600;
  display: inline-flex; align-items: center; gap: 3px;
}
.ann-sched-stat-sub.green {
  display: inline-flex; align-items: center; gap: 3px;
}

.ann-draft-view {
  display: inline-flex; border: 1px solid var(--border); border-radius: 8px;
  background: var(--card); padding: 2px;
}
.ann-draft-view button {
  background: transparent; border: 0; color: var(--muted-2);
  width: 32px; height: 28px; display: grid; place-items: center;
  border-radius: 6px; cursor: pointer;
}
.ann-draft-view button.active {
  background: var(--primary-soft, #FCE2D2); color: var(--primary);
}

.ann-draft-table tbody tr { cursor: pointer; }
.ann-draft-table tbody tr:hover,
.ann-draft-table tbody tr.ann-draft-row-active {
  background: #FFF6F1;
}

.ann-draft-author {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--ink-2);
}
.ann-draft-avatar {
  width: 26px; height: 26px; border-radius: 50%;
  background: #FCE2D2; color: #C5532A;
  display: grid; place-items: center;
  font-size: 11px; font-weight: 700; letter-spacing: 0.02em;
}

.ann-draft-actions {
  display: inline-flex; align-items: center; gap: 6px;
}
.ann-draft-edit-btn {
  display: inline-flex; align-items: center; gap: 5px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 8px; padding: 5px 10px;
  font-size: 12.5px; color: var(--ink-2); font-weight: 500;
  font-family: var(--sans); cursor: pointer;
}
.ann-draft-edit-btn:hover { border-color: var(--border-strong); color: var(--ink); }

.ann-draft-create {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  width: 100%; margin-top: 14px;
  background: transparent; border: 1.5px dashed var(--border-strong);
  border-radius: 10px; padding: 12px;
  color: var(--primary); font-weight: 600; font-size: 13.5px;
  font-family: var(--sans); cursor: pointer;
}
.ann-draft-create:hover { background: var(--primary-softer, #FFF6F0); }

.ann-draft-detail-card .ann-detail-head {
  align-items: center;
}
.ann-draft-detail-status {
  display: flex; align-items: center; flex-wrap: wrap; gap: 7px;
  margin-top: 7px; color: var(--muted); font-size: 11.5px;
}
.ann-draft-detail-card .ann-draft-avatar {
  width: 20px; height: 20px; font-size: 9.5px;
}
.ann-draft-readiness {
  display: flex; flex-direction: column; gap: 9px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 9px; padding: 11px 12px;
}
.ann-draft-readiness strong {
  display: block; color: var(--ink); font-size: 13px; font-weight: 700;
  margin-bottom: 2px;
}
.ann-draft-readiness span {
  display: block; color: var(--muted); font-size: 12px; line-height: 1.4;
}
.ann-draft-progress {
  height: 7px; border-radius: 999px; background: #EDE3D6; overflow: hidden;
}
.ann-draft-progress span {
  display: block; height: 100%; border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), #D97745);
}
.ann-draft-suggestion {
  display: flex; align-items: center; gap: 8px;
  background: #FFF6F1; border: 1px solid #F2D3C7;
  border-radius: 9px; padding: 10px 12px;
  color: var(--ink-2); font-size: 12.5px; font-weight: 600;
}
.ann-draft-suggestion svg {
  color: var(--primary); flex-shrink: 0;
}

/* schedule pickers when disabled (drafts) */
.ann-sched-pickers-disabled .ann-sched-picker { background: #F7F7F8; }
.ann-sched-pickers-disabled .ann-sched-picker input { color: var(--muted-2); }
.ann-sched-pickers-disabled .ann-sched-picker svg { color: #C5C7CB; }

.ann-toggle:disabled { opacity: 0.55; cursor: not-allowed; }

/* Draft Tips card */
.ann-draft-tips {
  background: #F4EEFB; border: 1px solid #E2D5F4;
  border-radius: 12px; padding: 16px 18px;
  display: flex; flex-direction: column; gap: 10px;
}
.ann-draft-tips-head { display: flex; align-items: center; gap: 10px; }
.ann-draft-tips-icon {
  width: 26px; height: 26px; border-radius: 7px;
  background: #E2D5F4; color: #6B49B8;
  display: grid; place-items: center;
}
.ann-draft-tips-title {
  font-family: var(--serif); font-size: 14.5px; font-weight: 600;
  color: var(--ink); margin: 0; letter-spacing: -0.005em;
}
.ann-draft-tips-list {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 7px;
}
.ann-draft-tips-list li {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 12.5px; color: var(--ink-2); line-height: 1.45;
}
.ann-draft-tips-list li svg { color: #6B49B8; flex-shrink: 0; margin-top: 3px; }
.ann-draft-tips-link {
  display: inline-flex; align-items: center; gap: 4px;
  color: var(--primary); font-size: 12.5px; font-weight: 600;
  text-decoration: none; margin-top: 2px;
}
.ann-draft-tips-link:hover { text-decoration: underline; }

/* ── Create Announcement Modal ── */
.ann-modal-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(20, 18, 22, 0.45);
  display: flex; align-items: center; justify-content: center;
  padding: 24px 20px;
  backdrop-filter: blur(2px);
}
.ann-modal {
  position: relative;
  width: 100%; max-width: 920px;
  max-height: calc(100vh - 48px);
  background: var(--card);
  border-radius: 18px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.22);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.ann-modal-close {
  position: absolute; top: 16px; right: 18px;
  width: 28px; height: 28px;
  border: 0; background: transparent; color: var(--muted);
  cursor: pointer; border-radius: 6px;
  display: grid; place-items: center;
  z-index: 2;
}
.ann-modal-close:hover { background: var(--bg); color: var(--ink); }

.ann-modal-header {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 24px 28px 18px;
  border-bottom: 1px solid var(--border);
}
.ann-modal-header-tile {
  width: 38px; height: 38px; border-radius: 10px;
  background: #FBE2DB; color: #B73B25;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.ann-modal-title {
  font-family: var(--serif); font-size: 22px; font-weight: 700;
  color: var(--ink); margin: 0; letter-spacing: -0.01em;
}
.ann-modal-subtitle {
  font-size: 13px; color: var(--muted); margin: 4px 0 0;
}

.ann-modal-body {
  display: grid; grid-template-columns: 62fr 38fr;
  gap: 28px;
  padding: 22px 28px 24px;
  overflow-y: auto;
  flex: 1;
}
.ann-modal-left, .ann-modal-right {
  display: flex; flex-direction: column;
}
.ann-modal-right {
  border-left: 1px solid var(--border);
  padding-left: 24px;
}
.ann-modal-side-title {
  font-family: var(--serif); font-size: 15px; font-weight: 700;
  color: var(--ink); margin: 0 0 14px; letter-spacing: -0.005em;
}

.ann-modal-field { margin-bottom: 16px; }
.ann-modal-field > label {
  display: block;
  font-size: 12.5px; font-weight: 600; color: var(--ink-2);
  margin-bottom: 6px;
}

.ann-modal-input-wrap { position: relative; }
.ann-modal-input {
  width: 100%; height: 38px;
  padding: 0 64px 0 12px;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--card); color: var(--ink);
  font-size: 13.5px;
  box-sizing: border-box;
}
.ann-modal-input:focus { outline: none; border-color: var(--primary); }
.ann-modal-input::placeholder { color: var(--muted-2); }
.ann-modal-counter {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  font-size: 11.5px; color: var(--muted);
}

.ann-modal-aud-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
}
.ann-modal-select {
  display: flex; align-items: center; gap: 8px;
  height: 38px; padding: 0 10px;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--card); color: var(--ink-2);
  font-size: 13px; cursor: pointer;
  text-align: left;
}
.ann-modal-select > span {
  flex: 1; color: var(--muted-2);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.ann-modal-select:hover { border-color: var(--muted-2); }

.ann-modal-editor {
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--card); overflow: hidden;
}
.ann-modal-editor-toolbar {
  display: flex; align-items: center; gap: 2px;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  flex-wrap: wrap;
}
.ann-modal-editor-toolbar button {
  height: 26px; min-width: 26px; padding: 0 6px;
  border: 0; background: transparent; color: var(--ink-2);
  border-radius: 5px; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px;
}
.ann-modal-editor-toolbar button:hover { background: var(--primary-softer); color: var(--primary); }
.ann-modal-tb-para { gap: 4px; }
.ann-modal-tb-sep {
  display: inline-block; width: 1px; height: 16px;
  background: var(--border); margin: 0 3px;
}
.ann-modal-textarea {
  width: 100%; min-height: 120px;
  padding: 10px 12px;
  border: 0; resize: vertical;
  background: transparent; color: var(--ink);
  font-size: 13.5px; font-family: var(--sans);
  box-sizing: border-box;
}
.ann-modal-textarea:focus { outline: none; }
.ann-modal-textarea::placeholder { color: var(--muted-2); }
.ann-modal-editor-foot {
  padding: 6px 12px;
  border-top: 1px solid var(--border);
  font-size: 11.5px; color: var(--muted);
  text-align: right;
  background: var(--card);
}

.ann-modal-upload {
  border: 1.5px dashed var(--border-strong);
  border-radius: 10px;
  padding: 18px;
  background: var(--bg);
  text-align: center;
  cursor: pointer;
}
.ann-modal-upload:hover { border-color: var(--primary); background: var(--primary-softer); }
.ann-modal-upload-line {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--ink-2); font-size: 13px;
}
.ann-modal-upload-line strong { color: var(--primary); font-weight: 600; }
.ann-modal-upload-sub { font-size: 11.5px; color: var(--muted); margin-top: 4px; }

.ann-modal-type-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
}
.ann-modal-type-card {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px 14px;
  border: 1.5px solid var(--border); border-radius: 10px;
  background: var(--card);
  cursor: pointer; text-align: left;
  position: relative;
}
.ann-modal-type-card:hover { border-color: var(--muted-2); }
.ann-modal-type-card.active {
  border-color: var(--primary);
  background: var(--primary-softer);
}
.ann-modal-type-icon {
  width: 30px; height: 30px; border-radius: 8px;
  background: #FBE2DB; color: #B73B25;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.ann-modal-type-text { flex: 1; min-width: 0; }
.ann-modal-type-text strong {
  display: block;
  font-size: 13px; font-weight: 600; color: var(--ink);
  margin-bottom: 2px;
}
.ann-modal-type-text span {
  font-size: 11.5px; color: var(--muted); line-height: 1.4;
}
.ann-modal-radio {
  width: 16px; height: 16px; border-radius: 50%;
  border: 1.5px solid var(--border-strong);
  background: var(--card);
  flex-shrink: 0; margin-top: 2px;
  position: relative;
}
.ann-modal-radio.on {
  border-color: var(--primary);
  background: var(--primary);
  box-shadow: inset 0 0 0 3px var(--card);
}

.ann-modal-status-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
}
.ann-modal-status-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 36px; padding: 0 10px;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--card); color: var(--ink-2);
  font-size: 12.5px; font-weight: 500; cursor: pointer;
}
.ann-modal-status-btn:hover { border-color: var(--muted-2); }
.ann-modal-status-btn.active {
  background: var(--primary-softer);
  color: var(--primary);
  border-color: var(--primary);
}

.ann-modal-dt-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
}
.ann-modal-dt {
  display: inline-flex; align-items: center; gap: 8px;
  height: 36px; padding: 0 10px;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--card); color: var(--ink);
  font-size: 12.5px;
}
.ann-modal-dt svg { color: var(--muted); }
.ann-modal-dt-full { width: 100%; justify-content: space-between; margin-top: 8px; }
.ann-modal-dt.disabled { color: var(--muted-2); background: var(--bg); }

.ann-modal-check-row {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; color: var(--ink-2);
  cursor: pointer;
}

.ann-modal-preview-wrap { margin-top: 4px; }
.ann-modal-preview-label {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12.5px; font-weight: 600; color: var(--ink-2);
  margin-bottom: 8px;
}
.ann-modal-preview-label svg { color: var(--muted); }
.ann-modal-preview-card {
  background: #FBEFE9;
  border: 1px solid #F4DCD0;
  border-radius: 10px;
  padding: 14px;
}
.ann-modal-preview-head {
  display: flex; align-items: flex-start; gap: 10px;
}
.ann-modal-preview-icon {
  width: 30px; height: 30px; border-radius: 8px;
  background: #FBE2DB; color: #B73B25;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.ann-modal-preview-title {
  font-size: 13.5px; font-weight: 700; color: var(--ink);
  font-family: var(--serif); letter-spacing: -0.005em;
}
.ann-modal-preview-desc {
  font-size: 12px; color: var(--muted);
  margin: 10px 0 0; line-height: 1.45;
}
.ann-modal-preview-divider {
  height: 1px; background: #F0DCCF; margin: 12px 0;
}
.ann-modal-preview-note {
  font-size: 11.5px; color: var(--muted); line-height: 1.45;
}

.ann-modal-footer {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 16px 28px;
  border-top: 1px solid var(--border);
  background: var(--card);
}
.ann-modal-cancel {
  height: 38px; padding: 0 22px;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--card); color: var(--ink-2);
  font-size: 13px; font-weight: 500; cursor: pointer;
}
.ann-modal-cancel:hover { background: var(--bg); }
.ann-modal-schedule-btn { background: var(--primary); }

@media (max-width: 820px) {
  .ann-modal-body { grid-template-columns: 1fr; }
  .ann-modal-right { border-left: 0; padding-left: 0; border-top: 1px solid var(--border); padding-top: 18px; }
}

/* ─── Archived tab ─── */
.ann-arch-wrap { display: flex; flex-direction: column; gap: 18px; padding-top: 6px; }

.ann-arch-chart {
  border: 1px solid var(--border); border-radius: 10px;
  padding: 8px 10px 4px; background: var(--card);
}

.ann-arch-table th, .ann-arch-table td { vertical-align: middle; }
.ann-arch-table tbody tr { cursor: pointer; }
.ann-arch-table tbody tr:hover,
.ann-arch-table tbody tr.ann-arch-row-active {
  background: #FFF6F1;
}

.ann-arch-eng { display: flex; align-items: center; gap: 10px; min-width: 150px; }
.ann-arch-eng-pct {
  font-size: 12.5px; font-weight: 600; color: var(--ink-2);
  min-width: 34px;
}
.ann-arch-eng-bar {
  flex: 1; height: 6px; background: #ECE7DD; border-radius: 999px; overflow: hidden;
  min-width: 80px;
}
.ann-arch-eng-bar > span {
  display: block; height: 100%;
  background: linear-gradient(90deg, #34A853, #2F7A3E);
  border-radius: 999px;
}

.ann-arch-view-btn {
  border: 1px solid var(--border); background: var(--card);
  color: var(--ink-2); font-size: 12.5px; font-weight: 500;
  padding: 6px 12px; border-radius: 8px; cursor: pointer;
  font-family: var(--sans);
}
.ann-arch-view-btn:hover { border-color: var(--border-strong); background: var(--bg); }

/* Archived side rail */
.ann-arch-side { display: flex; flex-direction: column; gap: 16px; }

.ann-arch-insights-link {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 12.5px; color: #6B49B8; font-weight: 600;
  text-decoration: none;
}
.ann-arch-insights-link:hover { text-decoration: underline; }

.ann-arch-top { padding: 16px 18px; }
.ann-arch-top-head {
  display: flex; justify-content: space-between; align-items: center;
  gap: 10px; margin-bottom: 12px;
}
.ann-arch-top-list {
  list-style: none; padding: 0; margin: 0 0 12px;
  display: flex; flex-direction: column; gap: 10px;
}
.ann-arch-top-list li {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr) 80px 36px;
  align-items: center; gap: 10px;
}
.ann-arch-top-rank {
  width: 22px; height: 22px; border-radius: 50%;
  background: #F1ECE3; color: var(--muted);
  font-size: 11.5px; font-weight: 600;
  display: grid; place-items: center;
}
.ann-arch-top-title {
  font-size: 12.5px; color: var(--ink-2); font-weight: 500;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.ann-arch-top-bar {
  height: 6px; background: #ECE7DD; border-radius: 999px; overflow: hidden;
}
.ann-arch-top-bar > span {
  display: block; height: 100%;
  background: linear-gradient(90deg, #34A853, #2F7A3E);
  border-radius: 999px;
}
.ann-arch-top-pct {
  font-size: 12px; color: var(--green-700); font-weight: 600; text-align: right;
}

.ann-arch-detail-card .ann-detail-head {
  align-items: center;
}
.ann-arch-detail-status {
  display: flex; align-items: center; flex-wrap: wrap; gap: 7px;
  margin-top: 7px; color: var(--muted); font-size: 11.5px;
}
.ann-arch-detail-performance {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
  margin-bottom: 14px;
}
.ann-arch-detail-performance > div {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px;
}
.ann-arch-detail-performance span {
  display: block; color: var(--muted); font-size: 11.5px;
  font-weight: 500; margin-bottom: 5px;
}
.ann-arch-detail-performance strong {
  display: block; color: var(--ink); font-size: 15px; font-weight: 700;
  margin-bottom: 4px;
}
.ann-arch-detail-performance em {
  display: block; color: var(--muted); font-size: 11.5px;
  font-style: normal;
}
.ann-arch-detail-performance .ann-arch-eng-bar {
  width: 100%; min-width: 0; margin-top: 8px;
}

/* ===== Students page ===== */
.stu-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 18px;
  align-items: start;
}
.stu-main { display: flex; flex-direction: column; gap: 18px; min-width: 0; }

.stu-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.stat-icon.green { background: var(--green-tile); color: var(--green-700); }

.stu-card { padding: 18px 20px; }

.stu-filters {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.stu-meta-row {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 6px;
}
.stu-found { font-size: 13px; color: var(--muted); font-weight: 500; }

.stu-table-wrap { overflow-x: auto; }
.stu-table {
  width: 100%;
  border-collapse: collapse;
}
.stu-table th {
  text-align: left;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.stu-table td {
  padding: 14px 10px;
  font-size: 13.5px;
  color: var(--ink);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.stu-table tr:last-child td { border-bottom: 0; }
.stu-table th:first-child, .stu-table td:first-child { padding-left: 4px; }
.stu-table th:last-child,  .stu-table td:last-child  { padding-right: 4px; }
.stu-th-sub { font-size: 11px; color: var(--muted-2); font-weight: 400; margin-top: 2px; }

.stu-name-cell { display: flex; align-items: center; gap: 12px; }
.stu-avatar-wrap { position: relative; }
.stu-avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--pink-tile);
  display: block;
}
.stu-avatar-init {
  display: grid; place-items: center;
  font-weight: 600; font-size: 13px;
  color: #6B49B8;
}
.stu-avatar-init.tone-pink   { background: var(--pink-tile);   color: #B83C5E; }
.stu-avatar-init.tone-purple { background: var(--purple-tile); color: #6B49B8; }
.stu-avatar-init.tone-blue   { background: var(--blue-50);     color: var(--blue-700); }
.stu-avatar-init.tone-green  { background: var(--green-tile);  color: var(--green-700); }
.stu-status-dot {
  position: absolute;
  right: -1px; bottom: -1px;
  width: 11px; height: 11px;
  border-radius: 50%;
  border: 2px solid var(--card);
}
.stu-name { font-weight: 600; font-size: 14px; color: var(--ink); }
.stu-status-text {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12px; margin-top: 3px;
}
.stu-status-mini { width: 6px; height: 6px; border-radius: 50%; display: inline-block; }
.stu-id-cell {
  display: inline-flex; align-items: center;
  min-width: 68px;
  font-size: 12.5px; font-weight: 600;
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
}
.stu-meta-sub { font-size: 12px; color: var(--muted); margin-top: 3px; }
.stu-meta-sub.up   { color: var(--green-700); display: inline-flex; align-items: center; gap: 3px; }
.stu-meta-sub.down { color: #B73B25;          display: inline-flex; align-items: center; gap: 3px; }

.stu-progress-row { display: flex; align-items: center; gap: 10px; }
.stu-progress-pct { font-size: 13px; color: var(--ink); min-width: 36px; }

.stu-foot {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 12px;
}
.stu-foot-text { font-size: 13px; color: var(--muted); }
.stu-pagination { display: flex; align-items: center; gap: 6px; }
.stu-page-ellipsis { color: var(--muted); padding: 0 4px; }

/* Class-detail Students tab — order column + Total Time range filter */
.stu-order-cell {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.stu-total-range {
  display: inline-flex; align-items: center; gap: 6px;
  height: 38px; padding: 0 10px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: var(--card);
}
.stu-total-range-label {
  font-size: 12px; color: var(--muted); font-weight: 500;
  margin-right: 2px; white-space: nowrap;
}
.stu-total-range input {
  width: 44px; border: 0; background: transparent; outline: none;
  font-size: 13px; color: var(--ink); font-family: var(--sans);
  text-align: center;
}
.stu-total-range input::placeholder { color: var(--muted-2); }
.stu-total-range-sep { color: var(--muted-2); font-size: 13px; }
.stu-total-range-unit { font-size: 12px; color: var(--muted); }

/* Advanced Filters side panel */
.stu-adv {
  padding: 18px 18px;
  display: flex; flex-direction: column;
  gap: 12px;
  position: sticky; top: 20px;
}
.stu-adv-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 0;
}
.stu-adv-title {
  font-family: var(--serif);
  font-size: 18px; font-weight: 600;
  margin: 0; color: var(--ink);
}
.stu-adv-accent {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12.5px; color: var(--primary);
  font-weight: 500;
  margin-bottom: 4px;
}
.stu-adv-group { display: flex; flex-direction: column; gap: 6px; }
.stu-adv-group > label {
  font-size: 12.5px; color: var(--ink-2); font-weight: 500;
}
.stu-adv-group .filter-select { width: 100%; }
.stu-adv-range { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.stu-adv-range-input {
  display: flex; align-items: center;
  border: 1px solid var(--border-strong);
  background: var(--card);
  border-radius: 8px;
  padding: 6px 10px;
}
.stu-adv-range-input input {
  border: 0; outline: 0; background: transparent;
  width: 100%; font: inherit; color: var(--ink);
  padding: 2px 0;
}
.stu-adv-range-input input::placeholder { color: var(--muted-2); }
.stu-adv-range-input span { font-size: 12px; color: var(--muted); margin-left: 6px; }

/* compact chatbot usage filter — reduced visual prominence */
.stu-adv-compact {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px;
  padding: 4px 0;
}
.stu-adv-compact-label { font-size: 12.5px; color: var(--ink-2); font-weight: 500; }
.stu-adv-chips { display: inline-flex; gap: 4px; }
.stu-chip {
  font-size: 11.5px; font-weight: 500;
  color: var(--ink-2);
  background: var(--card);
  border: 1px solid var(--border-strong);
  padding: 3px 9px;
  border-radius: 999px;
}
.stu-chip.active {
  background: var(--primary-soft);
  color: var(--primary);
  border-color: var(--primary-soft);
}

.stu-adv-actions {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 10px; margin-top: 4px;
}
.stu-adv-actions .btn-ghost,
.stu-adv-actions .btn-primary { width: 100%; justify-content: center; padding: 9px 12px; }

.stu-adv-tip {
  display: flex; gap: 10px;
  padding: 12px;
  background: var(--primary-softer);
  border-radius: 10px;
  color: var(--ink-2);
}
.stu-adv-tip > svg { color: #C5532A; flex-shrink: 0; margin-top: 2px; }
.stu-adv-tip-title { font-size: 12.5px; font-weight: 600; color: var(--ink); }
.stu-adv-tip-body  { font-size: 12px; color: var(--muted); margin-top: 2px; }

.icon-btn-ghost {
  display: inline-grid; place-items: center;
  width: 28px; height: 28px;
  border: 0; background: transparent;
  color: var(--muted);
  border-radius: 6px;
}
.icon-btn-ghost:hover { background: var(--primary-softer); color: var(--ink); }

/* btn-primary already exists, ensure it works inline next to btn-soft */
.btn-primary { display: inline-flex; align-items: center; gap: 6px; }

/* responsive */
@media (max-width: 1200px) {
  .stu-layout { grid-template-columns: 1fr; }
  .stu-adv { position: static; }
  .stu-stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .stu-stats { grid-template-columns: 1fr; }
  .stu-foot { flex-direction: column; align-items: flex-start; gap: 10px; }
}

/* ===== Student Profile page (sp-) ===== */
.sp-page {
  color: var(--ink);
  width: 100%;
  max-width: none;
  margin: 0;
}

.sp-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}
.sp-title {
  font-family: var(--serif);
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--ink);
  line-height: 1.08;
}
.sp-level-badge {
  display: inline-block;
  font-size: 16px;
  font-weight: 700;
  padding: 5px 13px;
  border-radius: 7px;
  background: #FFE9E1;
  color: #F45946;
  letter-spacing: 0;
}
.sp-sub {
  margin-top: 9px;
  display: flex;
  gap: 9px;
  align-items: center;
  font-size: 13.5px;
  color: var(--ink-2);
}
.sp-sub-avatar {
  width: auto; height: auto;
  border-radius: 0;
  background: transparent;
  color: var(--muted);
  display: inline-grid; place-items: center;
}
.sp-sub-dot { color: var(--muted-2); }

/* Profile + recommendation */
.sp-profile-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow-card);
  padding: 0;
  margin-bottom: 14px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 366px;
  gap: 0;
  align-items: stretch;
  overflow: hidden;
  min-height: 132px;
}
.sp-profile-left {
  display: grid;
  grid-template-columns: 102px 1fr;
  gap: 0;
  align-items: stretch;
}
.sp-avatar-wrap {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  justify-content: center;
  padding: 18px 14px;
  border-right: 1px solid var(--border);
}
.sp-avatar-img {
  width: 58px; height: 58px; border-radius: 50%; object-fit: cover;
  background: var(--pink-tile);
}
.sp-avatar-init {
  width: 58px; height: 58px; border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 26px;
  letter-spacing: 0.02em;
}
.sp-avatar-init.tone-pink   { background: #FFE0DA; color: #F45946; }
.sp-avatar-init.tone-purple { background: var(--purple-tile); color: #6B49B8; }
.sp-avatar-init.tone-blue   { background: var(--blue-50);     color: var(--blue-700); }
.sp-avatar-init.tone-green  { background: var(--green-tile);  color: var(--green-700); }
.sp-online-row {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11.5px; color: var(--ink-2);
}
.sp-online-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #3DAE61; display: inline-block;
}

.sp-profile-fields {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 34px;
  align-items: center;
  padding: 29px 44px;
}
.sp-field-label {
  font-size: 11.5px;
  color: var(--ink);
  font-weight: 600;
  margin-bottom: 6px;
}
.sp-field-value {
  font-size: 13.5px;
  color: var(--ink);
  font-weight: 500;
  line-height: 1.4;
}

.sp-reco {
  background: #FFF5F1;
  border: 0;
  border-left: 1px solid var(--border);
  border-radius: 0;
  padding: 18px 34px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}
.sp-reco-head {
  display: flex; align-items: center; gap: 6px;
  color: var(--ink-2);
  font-size: 12.5px;
  font-weight: 600;
}
.sp-reco-head svg { color: var(--muted); }
.sp-reco-title {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.1;
  margin-top: 2px;
}
.sp-reco-sub {
  font-size: 12.5px;
  color: var(--muted);
}
.sp-reco-actions {
  display: flex; gap: 8px;
  margin-top: 10px;
}
.sp-reco-actions .btn-ghost,
.sp-reco-actions .btn-primary {
  flex: 1;
  justify-content: center;
  padding: 8px 14px;
  font-size: 13px;
}

/* Tab bar */
.sp-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
  overflow-x: auto;
  scrollbar-width: none;
}
.sp-tabs::-webkit-scrollbar { display: none; }
.sp-tabs button {
  background: none;
  border: 0;
  padding: 8px 13px;
  font-size: 13.5px;
  font-family: var(--sans);
  color: var(--muted);
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
}
.sp-tabs button.active {
  background: transparent;
  color: var(--primary);
  font-weight: 600;
  border-bottom-color: var(--primary);
  border-radius: 0;
}

/* Overview layout: main + side */
.sp-overview {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 334px;
  gap: 18px;
}
.sp-overview-main { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.sp-side          { display: flex; flex-direction: column; gap: 14px; }

/* Stat row (5 cards) */
.sp-stats {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}
.sp-stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 14px 15px 13px;
  box-shadow: var(--shadow-card);
}
.sp-stat-label {
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
  display: inline-flex; align-items: center; gap: 4px;
}
.sp-stat-label-link { color: var(--ink-2); }
.sp-stat-value {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  margin-top: 6px;
  line-height: 1.1;
}
.sp-stat-foot {
  font-size: 11.5px;
  color: var(--muted);
  margin-top: 6px;
  display: inline-flex; align-items: center; gap: 3px;
}
.sp-stat-foot.up { color: #2F7A3E; }

.sp-chart-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.sp-chart-card {
  padding: 14px 16px 12px;
  border-radius: 8px;
}
.sp-chart-card .card-head {
  align-items: center;
  margin-bottom: 4px;
}
.sp-chart-card .card-title {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
}
.sp-chart-card .legend {
  margin: 4px 0 4px;
  gap: 14px;
}
.sp-chart-card .legend-item {
  font-size: 11.5px;
}

/* Recent sessions list */
.sp-recent-card {
  padding: 14px 16px 12px;
  border-radius: 8px;
}
.sp-recent-list {
  display: flex; flex-direction: column;
}
.sp-recent-row {
  display: grid;
  grid-template-columns:
    minmax(140px, 1.1fr)
    minmax(70px, 0.6fr)
    minmax(110px, 0.8fr)
    minmax(70px, 0.6fr)
    minmax(90px, 0.7fr)
    auto auto;
  gap: 14px;
  align-items: center;
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
}
.sp-recent-row:last-child { border-bottom: 0; }
.sp-recent-date {
  display: flex; align-items: center; gap: 10px;
}
.sp-recent-cal {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--primary-softer);
  color: var(--primary);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.sp-recent-d {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.25;
}
.sp-recent-t {
  font-size: 11.5px;
  color: var(--muted);
  margin-top: 2px;
}
.sp-view-btn {
  font-size: 12.5px;
  padding: 6px 12px;
  white-space: nowrap;
}

/* Sidebar cards */
.sp-side-card {
  padding: 16px 18px;
  border-radius: 8px;
}
.sp-side-title {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 12px;
}

.sp-comment {
  background: #FEF8F6;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
}
.sp-comment-head {
  display: flex; align-items: center; gap: 10px;
}
.sp-comment-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--pink-tile);
}
.sp-comment-name {
  font-size: 13px; font-weight: 600; color: var(--ink);
}
.sp-comment-date {
  font-size: 11.5px; color: var(--muted); margin-top: 1px;
}
.sp-comment-body {
  font-size: 12.5px;
  color: var(--ink-2);
  line-height: 1.5;
  margin-top: 10px;
}
.sp-side-btn {
  margin-top: 12px;
  width: 100%;
  background: var(--card);
  border: 1px solid var(--border-strong);
  color: var(--ink-2);
  border-radius: 10px;
  padding: 9px 12px;
  font-size: 13px;
  font-weight: 500;
}
.sp-side-btn:hover { background: var(--primary-softer); color: var(--primary); border-color: var(--primary-soft); }

.sp-feedback-card {
  padding: 0;
  overflow: hidden;
}
.sp-feedback-section {
  padding: 16px 18px;
}
.sp-feedback-section + .sp-feedback-section {
  border-top: 1px solid var(--border);
}

/* Bullets (Strengths / Areas) */
.sp-bullets {
  list-style: none;
  margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 10px;
}
.sp-bullets li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.4;
}
.sp-bullet-icon {
  width: 18px; height: 18px;
  border-radius: 50%;
  display: inline-grid; place-items: center;
  flex-shrink: 0;
  margin-top: 1px;
}
.sp-bullet-green  { background: #DCEEDA; color: #2F7A3E; }
.sp-bullet-orange { background: #FCE2D2; color: #C5532A; }

/* Alert status */
.sp-alert-row {
  display: flex; align-items: center; gap: 12px;
}
.sp-alert-badge {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: #3DAE61;
  color: #fff;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.sp-alert-title {
  font-size: 13.5px; font-weight: 600; color: var(--ink);
}
.sp-alert-sub {
  font-size: 12px; color: var(--muted); margin-top: 2px;
}

/* Responsive */
@media (max-width: 1200px) {
  .sp-overview { grid-template-columns: 1fr; }
  .sp-stats { grid-template-columns: repeat(3, 1fr); }
  .sp-profile-card { grid-template-columns: 1fr; }
  .sp-profile-fields { grid-template-columns: repeat(2, 1fr); }
  .sp-reco { border-left: 0; border-top: 1px solid var(--border); }
}
@media (max-width: 760px) {
  .sp-stats { grid-template-columns: repeat(2, 1fr); }
  .sp-chart-grid { grid-template-columns: 1fr; }
  .sp-recent-row { grid-template-columns: 1fr 1fr; }
  .sp-header { flex-direction: column; align-items: stretch; }
}

/* ===== Student Profile · Sessions tab (sp-ses-) ===== */
.sp-ses-layout {
  grid-template-columns: minmax(0, 1fr) 386px;
  align-items: start;
}
.sp-ses-layout .sp-side {
  position: sticky;
  top: 20px;
  align-self: start;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  scrollbar-width: thin;
}
.sp-ses-stats {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}
.sp-ses-card {
  padding: 18px 18px 14px;
}
.sp-ses-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}
.sp-ses-sub {
  font-size: 12px;
  color: var(--muted);
  margin-top: 3px;
}
.sp-ses-actions {
  display: flex; align-items: center; gap: 8px; flex-shrink: 0;
}
.sp-ses-filter-grid {
  display: grid;
  grid-template-columns: minmax(150px, 0.95fr) minmax(230px, 1.45fr) minmax(112px, 0.75fr) minmax(124px, 0.8fr);
  gap: 10px;
  padding: 10px 12px;
  margin-bottom: 12px;
  background: #FEF8F6;
  border: 1px solid var(--border);
  border-radius: 10px;
}
.sp-ses-filter-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}
.sp-ses-filter-field label {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--ink-2);
}
.sp-ses-filter-field .filter-select {
  width: 100%;
  min-width: 0;
  background: var(--card);
}
.sp-ses-range {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}
.sp-ses-range input {
  width: 100%;
  min-width: 0;
  height: 34px;
  border: 1px solid var(--border-2);
  border-radius: 8px;
  background: var(--card);
  color: var(--ink-2);
  font-family: var(--sans);
  font-size: 12px;
  padding: 0 9px;
  outline: none;
}
.sp-ses-range input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(255, 91, 75, 0.1);
}
.sp-ses-range input::placeholder {
  color: var(--muted);
}
.sp-ses-date-range input {
  padding-right: 6px;
}
.sp-ses-table {
  border-top: 1px solid var(--border);
}
.sp-ses-thead,
.sp-ses-row {
  display: grid;
  grid-template-columns: 1.4fr 0.7fr 0.9fr 0.7fr 1.1fr 0.9fr 0.95fr 1fr;
  align-items: center;
  gap: 8px;
  padding: 12px 4px;
  border-bottom: 1px solid var(--border);
}
.sp-ses-thead {
  font-size: 11.5px;
  color: var(--muted);
  font-weight: 500;
  padding-top: 12px;
  padding-bottom: 10px;
}
.sp-ses-row { font-size: 13px; color: var(--ink-2); }
.sp-ses-row {
  cursor: pointer;
  transition: background 0.12s;
}
.sp-ses-row:hover,
.sp-ses-row.active {
  background: #FFF8F4;
}
.sp-ses-row:last-child { border-bottom: 0; }
.sp-ses-cell { color: var(--ink-2); }
.sp-ses-score { font-weight: 600; color: var(--ink); font-size: 13px; }
.sp-ses-band {
  font-size: 11.5px;
  font-weight: 500;
  margin-top: 1px;
}
.sp-ses-band-good      { color: #2F7A3E; }
.sp-ses-band-fair      { color: #C5532A; }
.sp-ses-band-excellent { color: #6B49B8; }
.sp-ses-actions-cell {
  display: flex; align-items: center; gap: 6px;
}
.sp-ses-view {
  padding: 5px 12px;
  font-size: 12px;
}
.sp-ses-foot {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  padding-top: 14px;
}
.sp-ses-foot-left {
  display: flex; align-items: center; gap: 12px;
}
.sp-ses-count {
  font-size: 12px;
  color: var(--muted);
}
.sp-ses-pager {
  display: flex; align-items: center; gap: 6px;
}

/* Side cards · Sessions tab */
.sp-ses-side-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 12px;
  gap: 8px;
}
.sp-ses-link {
  background: none; border: none; padding: 0;
  font-size: 12px; color: var(--primary); font-weight: 500;
  cursor: pointer;
}
.sp-ses-link:hover { text-decoration: underline; }
.sp-ses-trend-btn {
  padding: 6px 11px;
  font-size: 11.5px;
  border-radius: 7px;
  white-space: nowrap;
}

.sp-ses-summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 14px;
}
.sp-ses-summary-cell {
  min-width: 0;
}
.sp-ses-summary-label {
  font-size: 11.5px;
  color: var(--muted);
  margin-bottom: 3px;
}
.sp-ses-summary-value {
  font-family: var(--serif);
  font-size: 17px;
  color: var(--ink);
  font-weight: 600;
}

/* Donut */
.sp-ses-donut-wrap {
  display: flex; align-items: center; gap: 16px;
}
.sp-ses-donut {
  position: relative; width: 142px; height: 142px; flex-shrink: 0;
}
.sp-ses-donut-center {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  pointer-events: none;
}
.sp-ses-donut-num {
  font-family: var(--serif);
  font-size: 22px; font-weight: 600; color: var(--ink);
  line-height: 1;
}
.sp-ses-donut-lbl {
  font-size: 11px; color: var(--muted); margin-top: 2px;
}
.sp-ses-donut-legend {
  flex: 1; min-width: 0;
  display: flex; flex-direction: column; gap: 8px;
}
.sp-ses-donut-row {
  display: grid;
  grid-template-columns: 10px 1fr auto;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--ink-2);
}
.sp-ses-donut-dot {
  width: 10px; height: 10px; border-radius: 50%;
}
.sp-ses-donut-label { color: var(--ink-2); }
.sp-ses-donut-val { color: var(--muted); font-weight: 500; }

/* Compare Periods */
.sp-ses-compare {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 12px;
}
.sp-ses-compare > div { flex: 1; min-width: 0; }
.sp-ses-compare > div .filter-select { width: 100%; }
.sp-ses-compare .filter-select {
  min-width: 0;
  background: var(--card);
}
.sp-ses-compare .filter-select span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sp-ses-compare .filter-select svg {
  display: block;
  flex-shrink: 0;
  color: var(--muted);
}
.sp-ses-vs {
  font-size: 12px; color: var(--muted);
}
.sp-ses-compare-btn {
  width: 100%;
  padding: 9px 14px;
  background: #F4A99A;
  color: white;
  border: none;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--sans);
}
.sp-ses-compare-btn:hover { background: var(--primary); }

@media (max-width: 1200px) {
  .sp-ses-layout { grid-template-columns: 1fr; }
  .sp-ses-layout .sp-side {
    position: static;
    max-height: none;
    overflow: visible;
  }
  .sp-ses-stats { grid-template-columns: repeat(3, 1fr); }
  .sp-ses-filter-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .sp-ses-stats { grid-template-columns: repeat(2, 1fr); }
  .sp-ses-filter-grid { grid-template-columns: 1fr; }
  .sp-ses-thead { display: none; }
  .sp-ses-row {
    grid-template-columns: 1fr 1fr;
    gap: 6px 12px;
  }
  .sp-ses-head { flex-direction: column; align-items: stretch; }
  .sp-ses-foot { flex-direction: column; align-items: stretch; }
  .sp-ses-donut-wrap { flex-direction: column; align-items: flex-start; }
}

/* ===== Student Profile · Transcripts tab (sp-tr-) ===== */
.sp-tr-wrap {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sp-tr-stats {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}
.sp-tr-stats .sp-stat {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 16px 16px;
  min-height: 94px;
}
.sp-stat-icon {
  width: 46px; height: 46px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.sp-stat-icon-coral { background: #FCE2D2; color: var(--primary); }

.sp-tr-grid {
  display: grid;
  grid-template-columns: 304px minmax(0, 1fr);
  gap: 16px;
  align-items: stretch;
}

/* Left list */
.sp-tr-list-card {
  padding: 14px;
  display: flex; flex-direction: column;
  gap: 10px;
  height: 690px;
  max-height: none;
}
.sp-tr-list-head {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 2px;
}
.sp-tr-list-tools {
  display: flex; align-items: center; gap: 6px;
}
.sp-tr-search { flex: 1; min-width: 0; padding: 6px 9px; }
.sp-tr-search input { font-size: 12px; }
.sp-tr-filter-btn {
  padding: 7px 10px;
  font-size: 12px;
  display: inline-flex; align-items: center; gap: 4px;
}
.sp-tr-list {
  display: flex; flex-direction: column; gap: 6px;
  overflow-y: auto;
  flex: 1;
  margin: 0 -4px;
  padding: 0 4px;
}
.sp-tr-list-row {
  display: grid;
  grid-template-columns: 30px 1fr auto auto;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: 9px;
  background: transparent;
  border: 1px solid transparent;
  border-left: 3px solid transparent;
  cursor: pointer;
  text-align: left;
  font-family: var(--sans);
  transition: background 0.12s, border-color 0.12s;
}
.sp-tr-list-row:hover { background: #FAF6F0; }
.sp-tr-list-row.active {
  background: #FFF1EC;
  border-color: #F4C8BB;
  border-left-color: var(--primary);
}
.sp-tr-list-cal {
  background: #FCE2D2; color: var(--primary);
  width: 28px; height: 28px;
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
}
.sp-tr-list-date { min-width: 0; }
.sp-tr-list-date .sp-recent-d { font-size: 12.5px; font-weight: 600; }
.sp-tr-list-date .sp-recent-t { font-size: 11px; color: var(--muted); }
.sp-tr-list-dur { font-size: 12px; color: var(--ink-2); }
.sp-tr-list-foot {
  display: flex; flex-direction: column; gap: 8px;
  align-items: center;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}
.sp-tr-ellipsis { color: var(--muted); padding: 0 4px; font-size: 13px; }

/* Center transcript */
.sp-tr-main-card {
  padding: 0;
  display: flex; flex-direction: column;
  min-width: 0;
  height: 690px;
  overflow: hidden;
}
.sp-tr-main-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  flex-wrap: nowrap;
  min-height: 56px;
}
.sp-tr-main-meta {
  display: flex; align-items: center; gap: 8px;
  font-size: 12.5px;
  flex-shrink: 0;
}
.sp-tr-main-cal {
  width: 26px; height: 26px;
  background: #FCE2D2; color: var(--primary);
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
}
.sp-tr-meta-date { color: var(--ink-2); font-weight: 500; }
.sp-tr-during-pill {
  background: #FCE2D2; color: var(--primary);
  font-size: 11.5px; font-weight: 600;
  padding: 3px 9px; border-radius: 999px;
}
.sp-tr-main-actions {
  display: flex; align-items: center; gap: 6px;
  flex-wrap: nowrap;
  justify-content: flex-end;
  min-width: 0;
}
.sp-tr-meta-select {
  background: transparent !important;
  border-color: transparent !important;
  padding: 4px 2px !important;
  color: var(--ink-2);
  box-shadow: none !important;
}
.sp-tr-meta-select:hover { color: var(--ink); }
.sp-tr-meta-select svg { color: var(--muted); }
.sp-tr-icon-btn {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12px;
  padding: 6px 10px;
}

.sp-tr-subbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 338px;
  align-items: stretch;
  gap: 0;
  min-height: 41px;
  padding: 0;
  border-bottom: 1px solid var(--border);
}
.sp-tr-subtabs {
  display: flex;
  gap: 26px;
  align-items: center;
  padding: 0 18px;
  min-width: 0;
}
.sp-tr-subtabs button {
  background: none; border: none;
  padding: 12px 0 11px;
  font-size: 13px;
  color: var(--muted);
  cursor: pointer;
  font-family: var(--sans);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.sp-tr-subtabs button.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}

.sp-tr-toolbar {
  display: flex; align-items: center; justify-content: flex-start;
  gap: 12px;
  padding: 0 16px;
  border-bottom: 0;
  flex-shrink: 0;
  min-width: 0;
}
.sp-tr-toggle {
  display: inline-flex; align-items: center; gap: 8px;
  cursor: pointer;
  font-size: 12px; color: var(--ink-2);
  white-space: nowrap;
}
.sp-tr-toggle input { display: none; }
.sp-tr-toggle-track {
  width: 32px; height: 18px;
  background: #DAD6D0;
  border-radius: 999px;
  position: relative;
  transition: background 0.15s;
  display: inline-block;
}
.sp-tr-toggle-knob {
  position: absolute;
  top: 2px; left: 2px;
  width: 14px; height: 14px;
  background: white;
  border-radius: 50%;
  transition: transform 0.15s;
}
.sp-tr-toggle input:checked + .sp-tr-toggle-track { background: var(--primary); }
.sp-tr-toggle input:checked + .sp-tr-toggle-track .sp-tr-toggle-knob { transform: translateX(14px); }
.sp-tr-toggle-label { user-select: none; }
.sp-tr-trans-search {
  flex: 1;
  width: auto;
  min-width: 128px;
  max-width: 168px;
  padding: 6px 10px;
}
.sp-tr-trans-search input { font-size: 12px; }

.sp-tr-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 338px;
  grid-auto-rows: minmax(0, 1fr);
  flex: 1;
  min-height: 0;
  overflow: hidden;
}
.sp-tr-center-pane {
  display: grid;
  grid-template-rows: minmax(0, 1fr) 58px;
  min-width: 0;
  min-height: 0;
  height: 100%;
  overflow: hidden;
}
.sp-tr-turns {
  padding: 20px 20px 34px;
  display: flex; flex-direction: column;
  gap: 11px;
  min-height: 0;
  max-height: none;
  overflow-y: auto;
  scrollbar-width: thin;
}
.sp-tr-turn {
  display: grid;
  grid-template-columns: 34px 26px 1fr;
  gap: 10px;
  align-items: flex-start;
}
.sp-tr-turn.no-time {
  grid-template-columns: 26px minmax(0, 1fr);
  padding-left: 44px;
}
.sp-tr-turn-time {
  font-size: 11.5px; color: var(--muted);
  padding-top: 6px;
  font-variant-numeric: tabular-nums;
}
.sp-tr-turn-avatar {
  width: 26px; height: 26px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 10.5px; font-weight: 600;
  flex-shrink: 0;
}
.sp-tr-turn-avatar.tone-purple { background: #E6DCF6; color: #6B49B8; }
.sp-tr-turn-avatar.tone-pink   { background: #FFE0DA; color: #C5532A; }
.sp-tr-turn-body { min-width: 0; }
.sp-tr-turn-name { font-size: 12.5px; font-weight: 600; color: var(--ink); margin-bottom: 2px; }
.sp-tr-turn-text { font-size: 13px; color: var(--ink-2); line-height: 1.5; }
.sp-tr-turn-text strong { color: var(--ink); font-weight: 600; }
.sp-tr-hl {
  padding: 1px 4px;
  border-radius: 3px;
}
.sp-tr-hl-yellow { background: #FFF1B8; }
.sp-tr-hl-orange { background: #FCE2D2; }
.sp-tr-hl-purple { background: #E6DCF6; }

/* Player */
.sp-tr-player {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 18px;
  border-top: 1px solid var(--border);
  background: var(--card);
  box-shadow: 0 -8px 18px rgba(31, 27, 22, 0.04);
  min-height: 58px;
  height: 58px;
}
.sp-tr-play {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  border: none;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}
.sp-tr-play:hover { filter: brightness(0.95); }
.sp-tr-time { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.sp-tr-progress {
  flex: 1;
  height: 4px;
  background: #EDE6DC;
  border-radius: 999px;
  position: relative;
}
.sp-tr-progress-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 999px;
  position: relative;
}
.sp-tr-progress-knob {
  position: absolute;
  right: -6px; top: 50%;
  transform: translateY(-50%);
  width: 12px; height: 12px;
  background: var(--primary);
  border-radius: 50%;
  border: 2px solid white;
  box-shadow: 0 0 0 1px var(--primary);
}
.sp-tr-player-btn {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--muted);
  cursor: pointer;
  font-size: 12px;
  min-width: 32px;
  height: 30px;
  padding: 0 8px;
  display: inline-flex; align-items: center;
  justify-content: center;
  font-family: var(--sans);
}
.sp-tr-player-btn:hover { color: var(--ink); }

/* Right side */
.sp-tr-side {
  display: flex; flex-direction: column;
  gap: 0;
  border-left: 1px solid var(--border);
  min-width: 0;
}
.sp-tr-side-section {
  padding: 26px 24px 24px;
  border-bottom: 1px solid var(--border);
}
.sp-tr-side-section:last-child {
  border-bottom: 0;
  flex: 1;
}
.sp-tr-side-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 8px;
  margin-bottom: 16px;
  color: var(--muted);
}
.sp-tr-hl-list {
  display: flex; flex-direction: column; gap: 13px;
}
.sp-tr-hl-row {
  display: grid;
  grid-template-columns: 82px 1fr 42px;
  align-items: center;
  gap: 10px;
  font-size: 12px;
}
.sp-tr-tag {
  display: inline-block;
  text-align: center;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 10.5px;
  font-weight: 500;
}
.sp-tr-tag-orange { background: #FCE2D2; color: #C5532A; }
.sp-tr-tag-green  { background: #DCEEDA; color: #2F7A3E; }
.sp-tr-tag-purple { background: #E6DCF6; color: #6B49B8; }
.sp-tr-tag-blue   { background: #DEE8F8; color: #2C5BB0; }
.sp-tr-hl-text { color: var(--ink-2); min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sp-tr-hl-time { color: var(--muted); font-variant-numeric: tabular-nums; font-size: 11.5px; }

.sp-tr-summary {
  font-size: 12.5px;
  color: var(--ink-2);
  line-height: 1.55;
  margin: 0;
}
.sp-tr-summary em { font-style: normal; font-weight: 600; color: var(--ink); }

.sp-tr-note {
  background: #FEFBFA;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
}
.sp-tr-note-body {
  font-size: 12.5px;
  color: var(--ink-2);
  line-height: 1.5;
  margin-top: 8px;
}

@media (max-width: 1280px) {
  .sp-tr-grid { grid-template-columns: 280px minmax(0, 1fr); }
  .sp-tr-content { grid-template-columns: minmax(0, 1fr) 300px; }
  .sp-tr-subbar { grid-template-columns: minmax(0, 1fr) 300px; }
  .sp-tr-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 1024px) {
  .sp-tr-grid { grid-template-columns: 1fr; }
  .sp-tr-list-card,
  .sp-tr-main-card { height: auto; min-height: 0; max-height: none; }
  .sp-tr-content { grid-template-columns: 1fr; height: auto; overflow: visible; }
  .sp-tr-center-pane { height: min(690px, calc(100vh - 132px)); min-height: 520px; }
  .sp-tr-subbar { grid-template-columns: 1fr; }
  .sp-tr-side { border-left: 0; border-top: 1px solid var(--border); }
}
@media (max-width: 760px) {
  .sp-tr-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sp-tr-main-head { flex-direction: column; align-items: stretch; }
  .sp-tr-main-actions { flex-wrap: wrap; justify-content: flex-start; }
  .sp-tr-subbar { padding: 0 0 12px; gap: 8px; }
  .sp-tr-subtabs { overflow-x: auto; }
  .sp-tr-toolbar { flex-direction: column; align-items: stretch; }
  .sp-tr-trans-search { width: 100%; min-width: 0; }
}

/* ===== Student Profile · Assignments tab (sp-asgn-) ===== */
.sp-asgn-wrap {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 16px;
}

.sp-asgn-stats {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}
.sp-asgn-stat {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
}
.sp-asgn-icon-blue   { background: #E6EEFB; color: #3D6FC5; }
.sp-asgn-icon-green  { background: #E0F2E5; color: var(--green-700); }
.sp-asgn-icon-orange { background: #FCE5D6; color: var(--orange-700); }
.sp-asgn-icon-purple { background: #E6DCF6; color: #6B49B8; }
.sp-asgn-icon-coral  { background: #FCE2D2; color: var(--primary); }
.sp-asgn-stat-foot {
  font-size: 11.5px;
  color: var(--muted);
  margin-top: 2px;
}
.sp-asgn-stat-foot.good { color: var(--green-700); font-weight: 500; }
.sp-asgn-last { font-size: 17px; }

/* Filter bar */
.sp-asgn-filterbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.sp-asgn-filter-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.sp-asgn-filter-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--ink-2);
  font-size: 12.5px;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 120ms, color 120ms;
}
.sp-asgn-filter-tab:hover { background: #FAF6F0; }
.sp-asgn-filter-tab.active {
  background: var(--primary-soft);
  color: var(--primary);
  border-color: transparent;
}
.sp-asgn-filter-tools {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.sp-asgn-search { padding: 6px 10px; min-width: 220px; }
.sp-asgn-search input { font-size: 12px; }
.sp-asgn-select {
  height: 34px !important;
  background: var(--card);
  font-size: 12.5px;
  padding-left: 10px !important;
  padding-right: 10px !important;
}
.sp-asgn-date-filter {
  height: 34px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 0 10px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: var(--card);
  color: var(--muted);
}
.sp-asgn-date-filter input {
  width: 112px;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--ink-2);
  font-family: var(--sans);
  font-size: 12px;
}
.sp-asgn-date-filter span {
  font-size: 11.5px;
  color: var(--muted);
}

/* Layout grid */
.sp-asgn-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}
.sp-asgn-card {
  padding: 0;
  overflow: hidden;
}

/* Table */
.sp-asgn-table {
  display: flex;
  flex-direction: column;
}
.sp-asgn-thead, .sp-asgn-row {
  display: grid;
  grid-template-columns: minmax(0, 2.4fr) 90px 110px 110px 100px 80px 110px 24px;
  gap: 10px;
  align-items: center;
  padding: 12px 18px;
}
.sp-asgn-thead {
  font-size: 11.5px;
  color: var(--muted);
  font-weight: 500;
  text-transform: none;
  background: #FAF6F0;
  border-bottom: 1px solid var(--border);
}
.sp-asgn-row {
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 120ms;
}
.sp-asgn-row:last-child { border-bottom: 0; }
.sp-asgn-row:hover { background: #FAF6F0; }
.sp-asgn-row.active {
  background: #FFF3EC;
  box-shadow: inset 3px 0 0 var(--primary);
}
.sp-asgn-task {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.sp-asgn-task-icon {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  border-radius: 50%;
  background: #E6DCF6;
  color: #6B49B8;
  display: grid;
  place-items: center;
}
.sp-asgn-task-text { min-width: 0; }
.sp-asgn-task-name {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sp-asgn-task-desc {
  font-size: 11.5px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 1px;
}
.sp-asgn-cell .sp-recent-d { font-size: 12px; font-weight: 500; }
.sp-asgn-cell .sp-recent-t { font-size: 11px; color: var(--muted); }
.sp-asgn-type-pill {
  background: #E6DCF6;
  color: #6B49B8;
  font-size: 11px;
}
.sp-asgn-status-na {
  font-size: 11.5px;
  color: var(--muted);
}
.sp-asgn-dash { color: var(--muted); }
.sp-asgn-feedback {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: transparent;
  border: 0;
  color: var(--ink-2);
  font-size: 12px;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 6px;
}
.sp-asgn-feedback:hover { background: #F1ECE5; }
.sp-asgn-arrow { color: var(--muted); display: grid; place-items: center; }

.sp-asgn-foot-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Detail card */
.sp-asgn-detail {
  padding: 18px 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-radius: 8px;
}
.sp-asgn-detail-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}
.sp-asgn-detail-main {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-width: 0;
}
.sp-asgn-detail-icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: #E6DCF6;
  color: #6B49B8;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.sp-asgn-detail-title {
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.25;
  padding-top: 2px;
}
.sp-asgn-detail-sub {
  font-size: 11.5px;
  color: #6B49B8;
  background: #E6DCF6;
  border-radius: 5px;
  font-weight: 600;
  display: inline-flex;
  padding: 3px 8px;
  margin-top: 6px;
}
.sp-asgn-detail-desc {
  font-size: 12.5px;
  color: var(--ink-2);
  line-height: 1.55;
  margin: 0;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--border);
}
.sp-asgn-section-title {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 7px;
}
.sp-asgn-instructions {
  padding-top: 0;
}
.sp-asgn-instr-text {
  font-size: 12px;
  color: var(--ink-2);
  line-height: 1.6;
}

/* Mini player */
.sp-asgn-mini-player {
  display: flex;
  align-items: center;
  gap: 11px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 12px;
}
.sp-asgn-play {
  width: 22px;
  height: 22px;
  border-radius: 0;
  background: transparent;
  border: 0;
  color: var(--ink);
  display: grid;
  place-items: center;
  cursor: pointer;
}
.sp-asgn-time { font-size: 11.5px; color: var(--muted); }
.sp-asgn-mini-progress {
  flex: 1;
  height: 4px;
  background: #E6E0D8;
  border-radius: 999px;
  overflow: hidden;
}
.sp-asgn-mini-fill {
  height: 100%;
  background: #8E8880;
  border-radius: 999px;
}
.sp-asgn-volume {
  background: transparent;
  border: 0;
  color: var(--ink-2);
  cursor: pointer;
  display: grid;
  place-items: center;
  padding: 2px;
}

/* Progress list */
.sp-asgn-progress { border-top: 1px solid var(--border); padding-top: 13px; }
.sp-asgn-progress-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.sp-asgn-progress-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  min-height: 22px;
}
.sp-asgn-prog-icon {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.sp-asgn-prog-icon.done { background: var(--green-50); color: var(--green-700); }
.sp-asgn-prog-icon.pending { background: #EFEAE3; color: var(--muted); }
.sp-asgn-prog-icon.pending.tone-orange { background: #FFF0DC; color: var(--orange-700); }
.sp-asgn-prog-label { flex: 1; color: var(--ink-2); }
.sp-asgn-prog-value { font-size: 11.5px; font-weight: 500; }
.sp-asgn-prog-value.tone-green  { color: var(--green-700); }
.sp-asgn-prog-value.tone-orange { color: var(--orange-700); }
.sp-asgn-prog-value.tone-muted  { color: var(--muted); }

/* AI Preview */
.sp-asgn-aipreview {
  border-top: 1px solid var(--border);
  padding-top: 13px;
}
.sp-asgn-aipreview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}
.sp-asgn-updated {
  font-size: 11px;
  color: var(--muted);
}
.sp-asgn-aipreview-text {
  font-size: 12px;
  color: var(--ink-2);
  line-height: 1.55;
  margin: 0;
}

/* Next Steps */
.sp-asgn-nextsteps {
  border-top: 1px solid var(--border);
  padding-top: 13px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.sp-asgn-step {
  display: flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  border-radius: 0;
  padding: 2px 0;
}
.sp-asgn-step-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #E6DCF6;
  color: #6B49B8;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.sp-asgn-step-icon-purple { background: #E6DCF6; color: #6B49B8; }
.sp-asgn-step-label { flex: 1; font-size: 12px; color: var(--ink-2); }
.sp-asgn-step-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--ink);
  font-size: 11.5px;
  font-weight: 500;
  padding: 7px 11px;
  border-radius: 8px;
  cursor: pointer;
  min-width: 132px;
  justify-content: center;
}
.sp-asgn-step-btn:hover { background: #FAF6F0; }

/* Full button */
.sp-asgn-fullbtn {
  background: transparent;
  color: #6B49B8;
  border: 1px solid #D7C8F0;
  padding: 11px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 120ms;
}
.sp-asgn-fullbtn:hover { background: #F7F1FF; }

/* Bottom banner */
.sp-asgn-banner {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #EAF1FB;
  border: 1px solid #D4E2F4;
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 12px;
  color: #3D6FC5;
}

/* Responsive */
@media (max-width: 1280px) {
  .sp-asgn-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 1024px) {
  .sp-asgn-grid { grid-template-columns: 1fr; }
  .sp-asgn-thead { display: none; }
  .sp-asgn-row {
    grid-template-columns: 1fr 1fr;
    row-gap: 6px;
  }
}
@media (max-width: 760px) {
  .sp-asgn-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sp-asgn-filterbar { flex-direction: column; align-items: stretch; }
  .sp-asgn-filter-tools { justify-content: flex-start; }
  .sp-asgn-search { min-width: 0; flex: 1; }
  .sp-asgn-date-filter { width: 100%; }
  .sp-asgn-date-filter input { flex: 1; min-width: 0; }
}

/* ─── Progress & Levels tab ─── */
.sp-pl {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
}

.sp-pl-stats {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}
.sp-pl-stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 15px 18px 13px;
  box-shadow: var(--shadow-card);
  display: flex; flex-direction: column;
  min-height: 136px;
}
.sp-pl-stat-head { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.sp-pl-stat-icon {
  width: 36px; height: 36px; border-radius: 50%;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.sp-pl-level-stat,
.sp-pl-consistency-stat {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  align-items: center;
  gap: 14px;
}
.sp-pl-level-stat .sp-pl-stat-icon,
.sp-pl-consistency-stat .sp-pl-stat-icon {
  width: 58px;
  height: 58px;
}
.sp-pl-stat-icon.coral { background: #FBE2DB; color: #E5582E; }
.sp-pl-stat-icon.green { background: var(--green-tile); color: var(--green-700); }
.sp-pl-stat-body { min-width: 0; }
.sp-pl-stat-label {
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
}
.sp-pl-stat-label-top { margin-bottom: 4px; }
.sp-pl-stat-value {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.1;
}
.sp-pl-stat-value.sp-pl-coral { color: #E5582E; }
.sp-pl-stat-sub {
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}
.sp-pl-stat-foot {
  font-size: 11.5px;
  color: var(--muted);
  margin-top: 4px;
  display: inline-flex; align-items: center; gap: 3px;
}
.sp-pl-stat-foot.up { color: var(--green-700); }
.sp-pl-stat-pill {
  margin-top: 9px;
  align-self: flex-start;
  display: inline-block;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--orange-50);
  color: var(--orange-700);
  font-size: 10.5px;
  font-weight: 600;
}
.sp-pl-spark { margin-top: auto; padding-top: 6px; }

/* Three-panel grid */
.sp-pl-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.94fr) minmax(0, 1.22fr);
  gap: 16px;
  align-items: start;
}
.sp-pl-panel {
  padding: 18px 16px 16px;
  border-radius: 8px;
  display: flex; flex-direction: column;
  gap: 12px;
}
.sp-pl-panel-head {
  display: flex; align-items: center; gap: 6px;
  color: var(--muted);
}
.sp-pl-panel-title {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  margin: 0;
}
.sp-pl-title-muted {
  color: var(--ink-2);
  font-weight: 500;
}
.sp-pl-sub-title {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 10px;
}
.sp-pl-right {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.sp-pl-time-panel { padding-bottom: 16px; }

/* Level Journey track */
.sp-pl-journey {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  position: relative;
  margin-top: 2px;
  padding: 2px 0 6px;
}
.sp-pl-journey-step {
  position: relative;
  display: flex; flex-direction: column; align-items: center;
  gap: 4px;
}
.sp-pl-journey-id {
  font-family: var(--serif);
  font-size: 18px; font-weight: 700;
}
.sp-pl-journey-id.past { color: #3F6BD6; }
.sp-pl-journey-id.cur  { color: #E5582E; }
.sp-pl-journey-id.fut  { color: var(--ink-2); }
.sp-pl-journey-name {
  font-size: 10.5px;
  color: var(--muted);
  text-align: center;
  white-space: nowrap;
}
.sp-pl-journey-name.cur { color: var(--ink); font-weight: 600; }
.sp-pl-journey-node {
  width: 18px; height: 18px; border-radius: 50%;
  display: grid; place-items: center;
  margin-top: 6px;
  position: relative; z-index: 1;
  border: 2px solid #DAD3C6;
  background: #fff;
  color: #fff;
}
.sp-pl-journey-node.past { background: #3F6BD6; border-color: #3F6BD6; }
.sp-pl-journey-node.cur  { background: #E5582E; border-color: #E5582E; width: 22px; height: 22px; box-shadow: 0 0 0 3px rgba(229, 88, 46, 0.18); }
.sp-pl-journey-node.fut  { background: #fff; }
.sp-pl-journey-line {
  position: absolute;
  top: calc(100% - 14px);
  left: 50%;
  width: 100%;
  height: 2px;
  z-index: 0;
}
.sp-pl-journey-line.past { background: #3F6BD6; }
.sp-pl-journey-line.cur  { background: linear-gradient(to right, #E5582E 0%, #E5582E 30%, transparent 30%, transparent 50%, #DAD3C6 50%); background-size: 10px 2px; background-repeat: repeat-x; }
.sp-pl-journey-line.fut  { background: linear-gradient(to right, #DAD3C6 50%, transparent 50%); background-size: 8px 2px; background-repeat: repeat-x; }

/* You are here callout */
.sp-pl-here {
  background: #FFF4EE;
  border: 1px solid #F8DCCB;
  border-radius: 7px;
  padding: 9px 12px;
}
.sp-pl-here-title {
  font-size: 12px;
  font-weight: 700;
  color: #B73B25;
  margin-bottom: 4px;
}
.sp-pl-here-text { font-size: 12px; color: var(--ink-2); line-height: 1.55; }

/* Level history table */
.sp-pl-history-table {
  display: flex; flex-direction: column;
  border-top: 1px solid var(--border);
}
.sp-pl-history-thead,
.sp-pl-history-row {
  display: grid;
  grid-template-columns: 50px 1.6fr 0.7fr 0.9fr 1fr;
  align-items: center;
  gap: 8px;
  padding: 9px 4px;
  font-size: 12px;
}
.sp-pl-history-thead {
  color: var(--muted);
  font-weight: 600;
  font-size: 11.5px;
  border-bottom: 1px solid var(--border);
}
.sp-pl-history-row {
  border-bottom: 1px solid var(--border);
  color: var(--ink-2);
}
.sp-pl-history-row:last-child { border-bottom: 0; }
.sp-pl-history-period { display: inline-flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.sp-pl-current-pill {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 999px;
  background: var(--purple-50);
  color: var(--purple-700);
  font-size: 10.5px;
  font-weight: 600;
}
.sp-pl-mentor { display: inline-flex; align-items: center; gap: 6px; }
.sp-pl-mentor-avatar {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--purple-tile);
  color: #6B49B8;
  font-size: 9.5px; font-weight: 700;
  display: grid; place-items: center;
}
.sp-pl-history-foot {
  display: flex; justify-content: center;
  margin-top: 8px;
}
.sp-pl-link-btn { font-size: 12px; }

/* Radar chart */
.sp-pl-radar { display: flex; justify-content: center; margin-top: -2px; }
.sp-pl-radar svg { max-width: 320px; }
.sp-pl-radar-legend {
  display: flex; justify-content: center; gap: 18px;
  flex-wrap: wrap;
}
.sp-pl-legend-item {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11.5px; color: var(--ink-2);
}
.sp-pl-legend-dot {
  width: 8px; height: 8px; border-radius: 50%;
  display: inline-block;
}

/* Skill list */
.sp-pl-skill-list { display: flex; flex-direction: column; gap: 8px; }
.sp-pl-skill-row {
  display: grid;
  grid-template-columns: 130px 1fr 56px 32px;
  align-items: center;
  gap: 10px;
  font-size: 12px;
}
.sp-pl-skill-name { color: var(--ink-2); font-weight: 500; }
.sp-pl-skill-bar-wrap {
  height: 6px;
  background: #EFE8DD;
  border-radius: 999px;
  overflow: hidden;
}
.sp-pl-skill-bar { height: 100%; border-radius: 999px; }
.sp-pl-skill-score { color: var(--ink); font-weight: 600; text-align: right; font-size: 12px; }
.sp-pl-skill-delta {
  display: inline-flex; align-items: center; gap: 2px;
  color: var(--green-700);
  font-size: 11px;
  font-weight: 600;
  justify-self: end;
}

.sp-pl-radar-note {
  margin-top: 2px;
  background: var(--purple-50);
  color: var(--purple-700);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 11.5px;
  display: inline-flex; align-items: center; gap: 6px;
}

/* Progress Over Time */
.sp-pl-range-btn {
  font-size: 11.5px;
  padding: 5px 10px;
  display: inline-flex; align-items: center; gap: 6px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--ink-2);
  cursor: pointer;
}
.sp-pl-line { padding: 0; }
.sp-pl-line-note {
  background: var(--purple-50);
  color: var(--purple-700);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 12px;
  display: inline-flex; align-items: center; gap: 6px;
}
.sp-pl-line-note b { font-weight: 700; }

/* Goals */
.sp-pl-goals { display: flex; flex-direction: column; gap: 9px; }
.sp-pl-next-goal {
  display: flex; flex-direction: column; gap: 6px;
}
.sp-pl-next-goal-head {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12.5px; color: var(--ink);
}
.sp-pl-muted { color: var(--muted); }
.sp-pl-next-goal-pct { color: var(--green-700); font-weight: 700; font-size: 13px; }
.sp-pl-goal-bar {
  height: 7px;
  background: #EFE8DD;
  border-radius: 999px;
  overflow: hidden;
}
.sp-pl-goal-fill {
  height: 100%;
  background: #3FA46A;
  border-radius: 999px;
}
.sp-pl-goal-list {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 6px;
}
.sp-pl-goal-list li {
  display: grid;
  grid-template-columns: 18px 1fr auto;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--ink-2);
}
.sp-pl-goal-list li.done .sp-pl-goal-label { color: var(--ink-2); }
.sp-pl-goal-icon {
  width: 16px; height: 16px;
  border-radius: 50%;
  display: grid; place-items: center;
  border: 1.5px solid #C8C0B2;
  color: #fff;
}
.sp-pl-goal-icon.done { background: #3FA46A; border-color: #3FA46A; }
.sp-pl-goal-icon.pending { background: #fff; }
.sp-pl-goal-value { color: var(--muted); font-size: 11.5px; }

/* Achievements */
.sp-pl-achievements { display: flex; flex-direction: column; gap: 6px; }
.sp-pl-achievements-head {
  display: flex; justify-content: space-between; align-items: center;
}
.sp-pl-link {
  background: none; border: 0;
  color: #3F6BD6;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}
.sp-pl-ach-list {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column;
}
.sp-pl-ach-list li {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
}
.sp-pl-ach-list li:last-child { border-bottom: 0; }
.sp-pl-ach-icon {
  width: 30px; height: 30px;
  border-radius: 7px;
  display: grid; place-items: center;
}
.sp-pl-ach-icon.tone-green  { background: var(--green-tile);   color: var(--green-700); }
.sp-pl-ach-icon.tone-blue   { background: var(--blue-50);      color: var(--blue-700); }
.sp-pl-ach-icon.tone-orange { background: var(--orange-tile);  color: #C5532A; }
.sp-pl-ach-title { font-size: 12.5px; font-weight: 600; color: var(--ink); }
.sp-pl-ach-text  { font-size: 11.5px; color: var(--muted); margin-top: 2px; }
.sp-pl-ach-date  { font-size: 11px; color: var(--muted); white-space: nowrap; }

@media (max-width: 1280px) {
  .sp-pl-grid { grid-template-columns: 1fr; }
  .sp-pl-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .sp-pl-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sp-pl-history-thead { display: none; }
  .sp-pl-history-row { grid-template-columns: 1fr 1fr; row-gap: 6px; }
}

/* Embedded Topics page (loaded from admin.html in an iframe) */
.lecturer-topics-frame {
  width: 100%;
  height: calc(100vh - 0px);
  min-height: 800px;
  border: 0;
  background: #FAF7F2;
  display: block;
}
.main:has(.lecturer-topics-frame) { padding: 0; }