/* ══════════════════════════════════════════════════════════════
   SMCS TMS · Production Stylesheet v2.0
   Design: Premium glass-morphism with refined dark aesthetic
   ══════════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  --bg:          #0e0e12;
  --bg-deep:     #08080c;
  --panel:       rgba(255,255,255,0.04);
  --panel-hov:   rgba(255,255,255,0.065);
  --panel-sel:   rgba(59,130,246,0.12);
  --glass:       rgba(14,14,20,0.88);
  --glass-light: rgba(22,22,30,0.92);
  --border:      rgba(255,255,255,0.06);
  --border-str:  rgba(255,255,255,0.11);
  --border-focus:rgba(59,130,246,0.6);
  --blue:        #2563eb;
  --blue-lt:     #3b82f6;
  --blue-glow:   rgba(59,130,246,0.25);
  --sky:         #38bdf8;
  --green:       #34d399;
  --amber:       #fbbf24;
  --red:         #f87171;
  --purple:      #a78bfa;
  --text:        #eef0f6;
  --text-2:      #8891a5;
  --text-3:      #454d62;
  --mono:        'JetBrains Mono', 'Geist Mono', ui-monospace, monospace;
  --sans:        'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --r:           10px;
  --r-sm:        7px;
  --r-lg:        16px;
  --shadow:      0 4px 24px rgba(0,0,0,0.65);
  --shadow-lg:   0 24px 64px rgba(0,0,0,0.8);
  --sidebar-w:   236px;
  --topbar-h:    54px;
  --vibrancy:    saturate(180%) blur(24px);
  --ease:        cubic-bezier(.16,1,.3,1);
  --ease-out:    cubic-bezier(.33,1,.68,1);
}

/* ── LIGHT MODE TOKENS ─────────────────────────────────────────── */
html.light {
  --bg:          #f0f2f8;
  --bg-deep:     #e8ebf3;
  --panel:       rgba(255,255,255,0.55);
  --panel-hov:   rgba(255,255,255,0.75);
  --panel-sel:   rgba(37,99,235,0.09);
  --glass:       rgba(245,247,253,0.92);
  --glass-light: rgba(250,251,255,0.95);
  --border:      rgba(0,0,0,0.06);
  --border-str:  rgba(0,0,0,0.11);
  --border-focus:rgba(37,99,235,0.5);
  --blue:        #2563eb;
  --blue-lt:     #1d4ed8;
  --blue-glow:   rgba(37,99,235,0.15);
  --sky:         #0284c7;
  --green:       #059669;
  --amber:       #d97706;
  --red:         #dc2626;
  --purple:      #7c3aed;
  --text:        #0f172a;
  --text-2:      #475569;
  --text-3:      #94a3b8;
  --shadow:      0 4px 24px rgba(0,0,0,0.06);
  --shadow-lg:   0 24px 64px rgba(0,0,0,0.12);
}


/* ══════════════════════════════════════════════════════════════
   COMPREHENSIVE LIGHT MODE OVERRIDES
   ══════════════════════════════════════════════════════════════ */

/* Login screen */
html.light #login-screen {
  background: #e8ecf4;
}
html.light #login-screen::before {
  background:
    radial-gradient(ellipse 60% 50% at 15% 50%, rgba(37,99,235,0.10) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 85% 20%, rgba(56,189,248,0.06) 0%, transparent 50%),
    radial-gradient(ellipse 50% 50% at 50% 100%, rgba(99,102,241,0.05) 0%, transparent 50%);
}
html.light #login-screen::after {
  background-image:
    linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.03) 1px, transparent 1px);
}
html.light .login-orb--1 { background: rgba(37,99,235,0.12); }
html.light .login-orb--2 { background: rgba(56,189,248,0.10); }
html.light .login-orb--3 { background: rgba(99,102,241,0.10); }
html.light .login-card {
  background: rgba(255,255,255,0.82);
  border-color: rgba(0,0,0,0.08);
  box-shadow:
    0 0 0 1px rgba(0,0,0,0.03),
    0 25px 80px -12px rgba(0,0,0,0.12),
    0 0 60px -10px rgba(37,99,235,0.06),
    inset 0 1px 0 rgba(255,255,255,0.9);
}
html.light .login-school { color: #111827; }
html.light .login-subtitle { color: rgba(107,114,128,0.8); }
html.light .login-logo { filter: drop-shadow(0 0 20px rgba(37,99,235,0.3)) drop-shadow(0 0 50px rgba(37,99,235,0.1)); }
html.light .login-note { color: rgba(107,114,128,0.5); }
html.light .login-footer-copy { color: rgba(107,114,128,0.3); }
html.light .login-or { color: #9ca3af; }
html.light .login-or::before, html.light .login-or::after { background: rgba(0,0,0,0.08); }
html.light .login-btn-google {
  background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.7) 100%);
  color: #1f2937; border-color: rgba(0,0,0,0.10);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06), inset 0 1px 0 rgba(255,255,255,0.9);
}
html.light .login-btn-google::before {
  background: linear-gradient(135deg, rgba(37,99,235,0.08) 0%, rgba(56,189,248,0.04) 100%);
}
html.light .login-btn-google:hover {
  color: #111827; border-color: rgba(37,99,235,0.3);
  box-shadow: 0 8px 32px rgba(0,0,0,0.10), 0 0 20px rgba(37,99,235,0.08), inset 0 1px 0 #fff;
}
html.light .login-demo-btn { color: #374151; }
html.light .login-demo-btn:hover { color: #111827; }

/* Scrollbar */
html.light ::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.18); }
html.light ::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.28); }
html.light ::-webkit-scrollbar-track { background: rgba(0,0,0,0.04); }

/* Permissions section */
html.light .perm-row { background: rgba(0,0,0,0.04); }
html.light .perm-label { color: #374151; }
html.light .toggle { background: rgba(0,0,0,0.15); }
html.light .toggle.on { background: var(--blue); }

/* Tab bar */
html.light .tab { color: #9ca3af; }
html.light .tab:hover { color: #374151; background: rgba(0,0,0,0.04); border-color: rgba(0,0,0,0.12); }
html.light .tab.active { color: #1d4ed8; background: rgba(37,99,235,0.08); border-color: rgba(37,99,235,0.2); }

/* Account info box in settings */
html.light .settings-section > div[style*="rgba(0,0,0,0.2)"] {
  background: rgba(0,0,0,0.05) !important;
}

/* Grade view cards */
html.light .grade-card { background: rgba(255,255,255,0.7); border-color: rgba(0,0,0,0.1); }
html.light .grade-card:hover { background: rgba(255,255,255,0.95); box-shadow: 0 8px 24px rgba(0,0,0,0.1); }

/* Cohort rows on grade view */
html.light .cohort-row:hover { background: rgba(0,0,0,0.03); }

/* Dashboard recent assignments */
html.light .dash-row { border-bottom-color: rgba(0,0,0,0.06); }

/* Scan box */
html.light .scan-box { background: rgba(0,0,0,0.03); border-color: rgba(0,0,0,0.1); color: #374151; }
html.light .scan-box:hover { background: rgba(37,99,235,0.05); border-color: rgba(37,99,235,0.3); }
html.light .scan-box p { color: #6b7280; }
html.light .scan-box strong { color: #111827; }

/* Import zone */
html.light .import-zone { background: rgba(0,0,0,0.03); border-color: rgba(0,0,0,0.15); }
html.light .import-zone p { color: #6b7280; }
html.light .import-zone strong { color: #111827; }

/* Section headers */
html.light .section-header { border-color: rgba(0,0,0,0.08); }
html.light .section-sub { color: #6b7280; }

/* Promotion log */
html.light .promo-log-entry { background: rgba(0,0,0,0.04); border-color: rgba(0,0,0,0.08); }

/* Table wrap */
html.light .table-wrap { border-color: rgba(0,0,0,0.1); }

/* Stat card value text — use CSS var which is already overridden */
html.light .stat-label { color: #4b5563; }

/* Checkbox grade pill in custom column modal */
html.light #cc-grades-wrap label,
html.light #ce-grades-wrap label { border-color: rgba(0,0,0,0.14) !important; }

/* Topbar sort icon */
html.light .sort-icon svg { color: #6b7280; }

/* Warning/info banners with hardcoded dark backgrounds */
html.light div[style*="rgba(248,113,113,0.08)"] {
  background: rgba(220,38,38,0.07) !important;
  border-color: rgba(220,38,38,0.2) !important;
  color: #7f1d1d !important;
}
html.light div[style*="rgba(251,191,36,0.08)"] {
  background: rgba(180,83,9,0.07) !important;
  border-color: rgba(180,83,9,0.2) !important;
  color: #78350f !important;
}
html.light div[style*="rgba(52,211,153,0.08)"] {
  background: rgba(5,150,105,0.07) !important;
  border-color: rgba(5,150,105,0.2) !important;
}

/* User list avatar */
html.light .user-list-avatar { background: linear-gradient(135deg, rgba(37,99,235,0.4), rgba(56,189,248,0.4)); }

/* Modal body subtle sections */
html.light .modal-body { color: #111827; }

/* Form label color */
html.light .form-label { color: #374151; font-weight: 500; }

/* Mono text in table */
html.light .text-mono { color: #374151; }

/* Empty state */
html.light .empty { color: #9ca3af; }
html.light .empty svg { opacity: .35; }

/* Nav section labels */
html.light .nav-section { color: #9ca3af; }

/* Sidebar accent line — softer in light */
html.light .sb-accent-line { opacity: 0.25; }

/* Any remaining white-text-on-dark inline elements */
html.light [style*="color:#93c5fd"] { color: #1d4ed8 !important; }
html.light [style*="color:#6ee7b7"] { color: #065f46 !important; }
html.light [style*="color:#fca5a5"] { color: #991b1b !important; }
html.light [style*="color:#c4b5fd"] { color: #5b21b6 !important; }
html.light [style*="color:#fcd34d"] { color: #92400e !important; }
html.light [style*="color:#7dd3fc"] { color: #0c4a6e !important; }

/* ── THEME TRANSITION ──────────────────────────────────────────── */
/* Theme transitions applied only during toggle via .theme-transitioning class */
html.theme-transitioning *, html.theme-transitioning *::before, html.theme-transitioning *::after {
  transition: background-color .35s ease, border-color .35s ease, color .25s ease, box-shadow .35s ease, filter .35s ease !important;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── THEME TOGGLE ──────────────────────────────────────────────── */
.theme-toggle {
  display: flex; align-items: center; justify-content: space-between;
  padding: 9px 11px; margin: 0 0 6px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--text-2);
  font-size: 11.5px; font-weight: 500;
  gap: 8px;
  user-select: none;
  transition: all .2s var(--ease, cubic-bezier(.16,1,.3,1));
}
.theme-toggle:hover { background: var(--panel-hov); color: var(--text); }
.theme-toggle-track {
  width: 36px; height: 20px; border-radius: 10px;
  background: var(--border-str);
  position: relative; flex-shrink: 0;
  transition: background .2s;
}
html.light .theme-toggle-track { background: var(--blue); }
.theme-toggle-thumb {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--text-3);
  position: absolute; top: 3px; left: 3px;
  transition: transform .2s var(--ease, cubic-bezier(.16,1,.3,1)), background .2s;
}
html.light .theme-toggle-thumb { transform: translateX(16px); background: #fff; }
html.light body {
  background: var(--bg-deep);
  background-image:
    radial-gradient(ellipse 80% 60% at 10% 0%, rgba(37,99,235,0.03) 0%, transparent 55%),
    radial-gradient(ellipse 60% 40% at 90% 100%, rgba(56,189,248,0.015) 0%, transparent 50%);
}

/* Sidebar */
html.light .sidebar {
  background: rgba(238,241,248,0.97);
  border-right-color: rgba(0,0,0,0.07);
}
html.light .sidebar::after { opacity: 0.2; }
html.light .nav-item { color: #374151; }
html.light .nav-item:hover { background: rgba(0,0,0,0.06); color: #111827; }
html.light .nav-item.active { background: rgba(37,99,235,0.13); color: #1d4ed8; box-shadow: inset 0 0 0 1px rgba(37,99,235,0.18); }
html.light .nav-badge { background: rgba(0,0,0,0.07); color: #6b7280; }
html.light .nav-item.active .nav-badge { background: rgba(37,99,235,0.15); color: #1d4ed8; }
html.light .nav-section { color: #9ca3af; }
html.light .sb-name span { color: #1d4ed8; }
html.light .sb-name small { color: #9ca3af; }
html.light .user-pill { background: rgba(0,0,0,0.06); border-color: rgba(0,0,0,0.12); }
html.light .user-pill:hover { background: rgba(0,0,0,0.1); border-color: rgba(0,0,0,0.2); }
html.light .user-name { color: #111827; }
html.light .user-role { color: #6b7280; }
html.light .sb-sync { color: #9ca3af; }
html.light .theme-toggle { color: #4b5563; }
html.light .theme-toggle:hover { background: rgba(0,0,0,0.07); color: #111827; }

/* Topbar */
html.light .topbar {
  background: rgba(238,241,248,0.92);
  border-bottom-color: rgba(0,0,0,0.07);
}
html.light .topbar-title { color: #111827; }
html.light .topbar-sub { color: #6b7280; }

/* Inputs */
html.light .input,
html.light .search-input,
html.light .sel-input {
  background: rgba(255,255,255,0.8);
  border-color: rgba(0,0,0,0.14);
  color: #111827;
}
html.light .input:focus,
html.light .search-input:focus,
html.light .sel-input:focus {
  background: #fff;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1), 0 0 12px rgba(37,99,235,0.06);
}
html.light .input::placeholder,
html.light .search-input::placeholder { color: #9ca3af; }
html.light .serial-field {
  background: rgba(255,255,255,0.75) !important;
  border-color: rgba(0,0,0,0.12) !important;
  color: #111827 !important;
}
html.light .serial-field:focus { background: #fff !important; }

/* Buttons */
html.light .btn-ghost {
  background: transparent;
  color: #374151;
  border-color: rgba(0,0,0,0.15);
}
html.light .btn-ghost:hover { background: rgba(0,0,0,0.05); color: #111827; border-color: rgba(0,0,0,0.25); }
html.light .btn-primary { box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 0 0 1px rgba(59,130,246,0.3); }
html.light .btn-primary:hover { box-shadow: 0 2px 8px rgba(59,130,246,0.25), 0 0 0 1px rgba(59,130,246,0.4); }
html.light .btn-icon {
  background: rgba(0,0,0,0.05);
  border-color: rgba(0,0,0,0.12);
  color: #4b5563;
}
html.light .btn-icon:hover { background: rgba(0,0,0,0.09); color: #111827; }

/* Tables */
html.light .data-table th { background: rgba(0,0,0,0.04); color: #374151; border-color: rgba(0,0,0,0.08); }
html.light .data-table td { border-color: rgba(0,0,0,0.06); color: #1f2937; }
html.light .data-table tr:hover td { background: rgba(0,0,0,0.03); }

/* Cards & panels */
html.light .card,
html.light .stat-card,
html.light .grade-card,
html.light .modal { background: rgba(255,255,255,0.75); border-color: rgba(0,0,0,0.1); }
html.light .card:hover,
html.light .stat-card:hover,
html.light .grade-card:hover { background: rgba(255,255,255,0.95); box-shadow: 0 6px 24px rgba(0,0,0,0.1), 0 0 16px rgba(37,99,235,0.04); }
html.light .section-header { border-color: rgba(0,0,0,0.08); }
html.light .section-title { color: #374151; }
html.light .modal-overlay { background: rgba(0,0,0,0.35); }
html.light .modal-head { border-color: rgba(0,0,0,0.08); }
html.light .modal-foot { border-color: rgba(0,0,0,0.08); background: rgba(0,0,0,0.03); }
html.light .modal-close { color: #6b7280; }
html.light .modal-close:hover { background: rgba(0,0,0,0.07); color: #111827; }
html.light .form-label { color: #374151; }
html.light .form-input { background: rgba(255,255,255,0.85); border-color: rgba(0,0,0,0.14); color: #111827; }
html.light .form-input:focus { background: #fff; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,0.1), 0 0 12px rgba(37,99,235,0.06); }

/* Chips & badges */
html.light .chip { opacity: 1; }
html.light .chip-blue   { background: rgba(37,99,235,0.12);  color: #1d4ed8; border-color: rgba(37,99,235,0.3); }
html.light .chip-green  { background: rgba(5,150,105,0.1);   color: #065f46; border-color: rgba(5,150,105,0.3); }
html.light .chip-amber  { background: rgba(180,83,9,0.1);    color: #92400e; border-color: rgba(180,83,9,0.25); }
html.light .chip-red    { background: rgba(220,38,38,0.1);   color: #991b1b; border-color: rgba(220,38,38,0.25); }
html.light .chip-sky    { background: rgba(2,132,199,0.1);   color: #0c4a6e; border-color: rgba(2,132,199,0.25); }
html.light .chip-purple { background: rgba(109,40,217,0.1);  color: #4c1d95; border-color: rgba(109,40,217,0.25); }
html.light .chip-gray   { background: rgba(0,0,0,0.06);      color: #374151; border-color: rgba(0,0,0,0.14); }
html.light .chip-orange { background: rgba(194,65,12,0.1);   color: #7c2d12; border-color: rgba(194,65,12,0.25); }

/* Status selects & inline fields */
html.light .status-select {
  background: rgba(255,255,255,0.8);
  border-color: rgba(0,0,0,0.14);
  color: #111827;
}
html.light .status-select:focus { border-color: var(--blue); }

/* Dashboard row dividers */
html.light .dash-row { border-bottom-color: rgba(0,0,0,0.06); }

/* Notes bubble */
html.light .notes-bubble {
  background: rgba(0,0,0,0.05);
  border-color: rgba(0,0,0,0.1);
  color: #374151;
}

/* Nav badges */
html.light .nav-badge { background: rgba(0,0,0,0.08); color: #4b5563; }
html.light .nav-item.active .nav-badge { background: rgba(37,99,235,0.15); color: #1d4ed8; }

/* Grade dot in sidebar */
html.light .nav-grade-dot { background: #9ca3af; }
html.light .nav-item-grade.active .nav-grade-dot { background: #1d4ed8; }

/* Scan box */
html.light .scan-box { background: rgba(0,0,0,0.03); border-color: rgba(0,0,0,0.1); color: #374151; }
html.light .scan-box:hover { background: rgba(37,99,235,0.06); border-color: rgba(37,99,235,0.3); }

/* Dividers */
html.light .divider { border-color: rgba(0,0,0,0.1); }

/* Tab bar */
html.light .tab { color: #9ca3af; }
html.light .tab:hover { color: #374151; }
html.light .tab.active { color: #1d4ed8; background: rgba(37,99,235,0.08); border-color: rgba(37,99,235,0.2); }

/* Cohort/grade cards */
html.light .cohort-row { border-bottom-color: rgba(0,0,0,0.06); }
html.light .cohort-row:hover { background: rgba(0,0,0,0.03); }

/* Archive card */
html.light .archive-card { background: rgba(255,255,255,0.7); border-color: rgba(0,0,0,0.1); }

/* Settings sections */
html.light .settings-section { border-color: rgba(0,0,0,0.08); }
html.light .settings-title { color: #111827; }

/* User list */
html.light .user-list-item { background: rgba(255,255,255,0.6); border-color: rgba(0,0,0,0.1); }
html.light .user-list-item:hover { background: rgba(255,255,255,0.9); }

/* Perm toggle */
html.light .perm-row { border-bottom-color: rgba(0,0,0,0.06); }
html.light .perm-label { color: #374151; }
html.light .text-mono { color: #374151; }
html.light .empty { color: #9ca3af; }

/* Toast */
html.light .toast { background: #1f2937; color: #f9fafb; }

/* Select option dropdowns */
html.light select.form-input option,
html.light select.sel-input option,
html.light select.ci-select option,
html.light select.status-select option { background: #ffffff; color: #111827; }
html { font-size: 14px; }

/* ── UI SCALE SLIDER ──────────────────────────────────────────── */
.ui-scale-row {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 0 4px;
}
.ui-scale-slider {
  -webkit-appearance: none; appearance: none;
  flex: 1; height: 4px;
  border-radius: 99px;
  background: var(--border-str);
  outline: none; cursor: pointer;
  position: relative;
}
.ui-scale-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-glow);
  cursor: pointer; transition: box-shadow .08s, transform .06s;
}
.ui-scale-slider::-webkit-slider-thumb:hover {
  box-shadow: 0 0 0 5px var(--blue-glow); transform: scale(1.1);
}
.ui-scale-slider::-moz-range-thumb {
  width: 16px; height: 16px; border-radius: 50%; border: none;
  background: var(--blue); box-shadow: 0 0 0 3px var(--blue-glow);
  cursor: pointer;
}
.ui-scale-value {
  font-family: var(--mono); font-size: 12px;
  color: var(--blue-lt); font-weight: 600;
  min-width: 38px; text-align: right;
}
.ui-scale-ticks {
  display: flex; justify-content: space-between;
  padding: 0 1px; margin-top: 4px;
}
.ui-scale-tick {
  font-size: 10px; color: var(--text-3); font-family: var(--mono);
  cursor: pointer; transition: color .12s;
}
.ui-scale-tick:hover { color: var(--text-2); }
body {
  background: var(--bg-deep);
  background-image:
    radial-gradient(ellipse 70% 50% at 5% 0%, rgba(59,130,246,0.06) 0%, transparent 50%),
    radial-gradient(ellipse 50% 35% at 95% 100%, rgba(56,189,248,0.035) 0%, transparent 45%),
    radial-gradient(ellipse 40% 30% at 50% 50%, rgba(99,102,241,0.015) 0%, transparent 40%);
  color: var(--text);
  font-family: var(--sans);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* ── SCROLLBAR ──────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 99px; transition: background .2s; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.16); }

/* ── LOGIN SCREEN ───────────────────────────────────────────────── */
#login-screen {
  position: fixed; inset: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  background: #060810;
  overflow: hidden;
}
#login-screen::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 55% 45% at 15% 50%, rgba(59,130,246,0.15) 0%, transparent 55%),
    radial-gradient(ellipse 35% 35% at 85% 20%, rgba(56,189,248,0.08) 0%, transparent 45%),
    radial-gradient(ellipse 45% 45% at 50% 100%, rgba(99,102,241,0.06) 0%, transparent 45%);
  z-index: 0;
}
/* Floating orbs */
.login-orb {
  position: absolute; border-radius: 50%; z-index: 0; pointer-events: none;
  filter: blur(80px); opacity: 0;
  animation: orbFloat 18s ease-in-out infinite, orbFadeIn 1.5s ease forwards;
}
.login-orb--1 {
  width: 400px; height: 400px; background: rgba(37,99,235,0.25);
  top: -10%; left: -5%;
  animation-delay: 0s, 0s;
}
.login-orb--2 {
  width: 300px; height: 300px; background: rgba(56,189,248,0.15);
  top: 60%; right: -8%;
  animation-delay: -6s, 0.2s;
  animation-duration: 22s, 1.5s;
}
.login-orb--3 {
  width: 250px; height: 250px; background: rgba(99,102,241,0.18);
  bottom: -5%; left: 30%;
  animation-delay: -12s, 0.4s;
  animation-duration: 20s, 1.5s;
}
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -40px) scale(1.05); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(15px, 35px) scale(1.02); }
}
@keyframes orbFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
/* Grid overlay for subtle texture */
#login-screen::after {
  content: ''; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black, transparent);
}
.login-card {
  position: relative; z-index: 1;
  background: rgba(12,14,24,0.78);
  backdrop-filter: saturate(160%) blur(48px);
  -webkit-backdrop-filter: saturate(160%) blur(48px);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 28px;
  padding: 56px 52px 48px;
  width: 430px;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.03),
    0 32px 90px -16px rgba(0,0,0,0.7),
    0 0 80px -12px rgba(59,130,246,0.1),
    inset 0 1px 0 rgba(255,255,255,0.05);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: cardEntrance .7s cubic-bezier(.16,1,.3,1) forwards;
  opacity: 0;
}
@keyframes cardEntrance {
  from { opacity: 0; transform: translateY(30px) scale(0.96); filter: blur(4px); }
  to   { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
}
.login-logo {
  width: 96px; height: 96px; object-fit: contain;
  margin: 0 auto 24px; display: block;
  filter: drop-shadow(0 0 24px rgba(59,130,246,0.5)) drop-shadow(0 0 56px rgba(59,130,246,0.18));
  animation: logoEntrance .7s cubic-bezier(.16,1,.3,1) .12s forwards, logoPulse 4s ease-in-out 1.8s infinite;
  opacity: 0;
}
@keyframes logoEntrance {
  from { opacity: 0; transform: translateY(30px) scale(0.96); filter: drop-shadow(0 0 30px rgba(37,99,235,0.55)) drop-shadow(0 0 60px rgba(37,99,235,0.2)) blur(4px); }
  to   { opacity: 1; transform: translateY(0) scale(1); filter: drop-shadow(0 0 30px rgba(37,99,235,0.55)) drop-shadow(0 0 60px rgba(37,99,235,0.2)) blur(0px); }
}
@keyframes logoPulse {
  0%, 100% { filter: drop-shadow(0 0 30px rgba(37,99,235,0.55)) drop-shadow(0 0 60px rgba(37,99,235,0.2)); }
  50%      { filter: drop-shadow(0 0 40px rgba(37,99,235,0.7)) drop-shadow(0 0 80px rgba(37,99,235,0.35)); }
}
.login-school {
  font-size: 22px; font-weight: 700; color: #f0f2f5; letter-spacing: -.5px;
  animation: cardEntrance .7s cubic-bezier(.16,1,.3,1) .18s forwards;
  opacity: 0;
}
.login-subtitle {
  font-size: 13px; color: rgba(136,145,165,0.8); margin-top: 5px; margin-bottom: 36px;
  letter-spacing: .03em; font-weight: 400;
  animation: cardEntrance .7s cubic-bezier(.16,1,.3,1) .24s forwards;
  opacity: 0;
}
.login-google-wrap {
  width: 100%; position: relative;
  animation: cardEntrance .6s cubic-bezier(.16,1,.3,1) .3s forwards;
  opacity: 0;
}
.login-btn-google {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  width: 100%; padding: 15px 24px;
  background: linear-gradient(135deg, rgba(255,255,255,0.10) 0%, rgba(255,255,255,0.04) 100%);
  color: #f0f2f5; border: 1px solid rgba(255,255,255,0.10);
  border-radius: 14px;
  font-family: var(--sans); font-size: 14.5px; font-weight: 500;
  cursor: pointer;
  transition: all .3s cubic-bezier(.16,1,.3,1);
  box-shadow: 0 4px 24px rgba(0,0,0,0.25), inset 0 1px 0 rgba(255,255,255,0.06);
  position: relative; overflow: hidden;
  letter-spacing: .01em;
}
.login-btn-google::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(37,99,235,0.15) 0%, rgba(56,189,248,0.08) 100%);
  opacity: 0; transition: opacity .25s;
  border-radius: 14px;
}
.login-btn-google:hover {
  transform: translateY(-2px);
  border-color: rgba(59,130,246,0.4);
  box-shadow:
    0 8px 32px rgba(0,0,0,0.3),
    0 0 24px rgba(37,99,235,0.2),
    inset 0 1px 0 rgba(255,255,255,0.12);
  color: #fff;
}
.login-btn-google:hover::before { opacity: 1; }
.login-btn-google:active { transform: translateY(0); }
.login-btn-google svg { width: 20px; height: 20px; flex-shrink: 0; position: relative; z-index: 1; }
.login-btn-google span { position: relative; z-index: 1; }
/* Shimmer on hover */
.login-btn-google::after {
  content: ''; position: absolute; top: 0; left: -100%; width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.06), transparent);
  transition: none; z-index: 0;
}
.login-btn-google:hover::after {
  animation: btnShimmer .8s ease forwards;
}
@keyframes btnShimmer {
  to { left: 120%; }
}
.login-note {
  font-size: 11.5px; color: rgba(155,163,180,0.5); margin-top: 20px;
  animation: cardEntrance .6s cubic-bezier(.16,1,.3,1) .38s forwards;
  opacity: 0;
}
.login-footer-copy {
  position: relative; z-index: 1;
  font-size: 10px; color: rgba(155,163,180,0.25); text-align: center; user-select: none;
  animation: cardEntrance .6s cubic-bezier(.16,1,.3,1) .5s forwards;
  opacity: 0;
}

/* ── CIRCUIT BOARD ANIMATION ────────────────────────────────────── */
.circuit-canvas {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  overflow: visible;
}
.circuit-canvas svg {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  overflow: visible;
}
.circuit-line {
  fill: none; stroke: rgba(59,130,246,0.7); stroke-width: 2;
  stroke-linecap: round; stroke-linejoin: round;
  filter: drop-shadow(0 0 6px rgba(59,130,246,0.8)) drop-shadow(0 0 12px rgba(59,130,246,0.4));
  stroke-dasharray: var(--len);
  stroke-dashoffset: var(--len);
  animation: circuitDraw var(--dur, .6s) var(--delay, 0s) cubic-bezier(.22,1,.36,1) forwards;
}
.circuit-node {
  fill: rgba(59,130,246,0.9);
  filter: drop-shadow(0 0 5px rgba(59,130,246,0.9)) drop-shadow(0 0 10px rgba(59,130,246,0.5));
  opacity: 0;
  animation: circuitNodePop .25s var(--delay, 0s) cubic-bezier(.16,1,.3,1) forwards;
}
.circuit-line.thin { stroke-width: 1.2; stroke: rgba(59,130,246,0.45); filter: drop-shadow(0 0 4px rgba(59,130,246,0.5)); }
@keyframes circuitDraw {
  to { stroke-dashoffset: 0; }
}
@keyframes circuitNodePop {
  0%   { opacity: 0; r: 0; }
  60%  { opacity: 1; r: 4.5; }
  100% { opacity: 1; r: 3; }
}
/* Pulse that travels along already-drawn paths */
.circuit-pulse {
  fill: none; stroke: rgba(147,197,253,0.9); stroke-width: 3;
  stroke-linecap: round;
  filter: drop-shadow(0 0 8px rgba(147,197,253,1));
  stroke-dasharray: 14 1000;
  stroke-dashoffset: var(--len);
  animation: circuitPulse var(--dur, 1s) var(--delay, 0s) ease-in-out forwards;
  opacity: 0;
}
@keyframes circuitPulse {
  0%   { stroke-dashoffset: var(--len); opacity: 0; }
  5%   { opacity: 1; }
  90%  { opacity: 1; }
  100% { stroke-dashoffset: calc(var(--len) * -1); opacity: 0; }
}
/* Login card glow state when circuit fires */
.login-card.circuit-active {
  box-shadow:
    0 0 0 1px rgba(59,130,246,0.15),
    0 25px 80px -12px rgba(0,0,0,0.6),
    0 0 80px -10px rgba(37,99,235,0.25),
    inset 0 1px 0 rgba(255,255,255,0.06);
  border-color: rgba(59,130,246,0.2);
  transition: box-shadow .4s, border-color .4s;
}
html.light .circuit-line { stroke: rgba(37,99,235,0.5); filter: drop-shadow(0 0 5px rgba(37,99,235,0.5)); }
html.light .circuit-line.thin { stroke: rgba(37,99,235,0.3); }
html.light .circuit-node { fill: rgba(37,99,235,0.7); filter: drop-shadow(0 0 4px rgba(37,99,235,0.6)); }
html.light .circuit-pulse { stroke: rgba(37,99,235,0.8); filter: drop-shadow(0 0 6px rgba(37,99,235,0.8)); }
.login-or {
  display: flex; align-items: center; gap: 10px;
  margin: 18px 0; color: var(--text-3); font-size: 11.5px;
}
.login-or::before, .login-or::after { content:''; flex:1; height:1px; background:var(--border); }
.login-demo-btns { display: flex; flex-direction: column; gap: 6px; }
.login-demo-btn {
  width: 100%; padding: 9px 12px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--r-sm); color: var(--text-2);
  font-family: var(--sans); font-size: 12px;
  cursor: pointer; transition: all .1s;
  text-align: left; display: flex; align-items: center; gap: 10px;
}
.login-demo-btn:hover {
  background: var(--panel-hov); color: var(--text);
  border-color: var(--border-str);
  transform: translateX(2px);
}
.login-demo-btn .role-badge {
  font-family: var(--mono); font-size: 10px;
  padding: 2px 6px; border-radius: 5px; margin-left: auto;
}
.login-note { font-size: 11px; color: var(--text-3); margin-top: 18px; line-height: 1.55; }

/* ── APP SHELL ──────────────────────────────────────────────────── */
.shell { display: flex; height: 100vh; overflow: hidden; }

/* ── SIDEBAR ────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w); flex-shrink: 0;
  background: rgba(10,10,16,0.94);
  backdrop-filter: saturate(160%) blur(28px);
  -webkit-backdrop-filter: saturate(160%) blur(28px);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  position: relative;
}
.sidebar::after {
  content: ''; position: absolute;
  top: 0; right: 0; width: 1px; height: 100%;
  background: linear-gradient(180deg, transparent 0%, rgba(59,130,246,.25) 35%, rgba(59,130,246,.25) 65%, transparent 100%);
  pointer-events: none;
}
.main { flex: 1; overflow-y: auto; display: flex; flex-direction: column; }

/* ── SIDEBAR HEADER ─────────────────────────────────────────────── */
.sb-head {
  padding: 18px 16px 14px;
  border-bottom: 1px solid var(--border);
}
.sb-brand { display: flex; align-items: center; gap: 11px; }
.sb-logo {
  width: 38px; height: 38px; object-fit: contain;
  filter: drop-shadow(0 0 12px rgba(59,130,246,.5));
  transition: filter .3s ease;
}
.sb-brand:hover .sb-logo { filter: drop-shadow(0 0 16px rgba(59,130,246,.7)); }
.sb-name { font-size: 13px; font-weight: 700; line-height: 1.3; letter-spacing: -.01em; }
.sb-name span { color: var(--blue-lt); }
.sb-name small {
  display: block; font-size: 9.5px; color: var(--text-3);
  font-weight: 400; font-family: var(--mono);
  letter-spacing: .06em; margin-top: 1px; text-transform: uppercase;
}
.sb-accent-line {
  margin-top: 11px; height: 1px;
  background: linear-gradient(90deg, var(--blue) 0%, var(--sky) 50%, transparent 100%);
  opacity: 0.4; border-radius: 1px;
}

/* ── NAV ────────────────────────────────────────────────────────── */
.sb-nav { flex: 1; overflow-y: auto; padding: 8px 0; }
.nav-section {
  padding: 8px 14px 3px;
  font-size: 9.5px; font-family: var(--mono); font-weight: 500;
  color: var(--text-3); letter-spacing: .1em; text-transform: uppercase;
}
.nav-item {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 14px; margin: 1.5px 6px;
  border-radius: 8px;
  cursor: pointer; font-size: 13px; font-weight: 450; color: var(--text-2);
  transition: all .15s var(--ease, cubic-bezier(.16,1,.3,1)); position: relative; white-space: nowrap;
}
.nav-item:hover { background: var(--panel-hov); color: var(--text); }
.nav-item.active {
  background: rgba(59,130,246,0.12);
  color: #60a5fa;
  box-shadow: inset 0 0 0 1px rgba(59,130,246,0.16), 0 0 16px rgba(59,130,246,0.05);
}
.nav-item.active::before {
  content: ''; position: absolute;
  left: -6px; top: 50%; transform: translateY(-50%);
  width: 3px; height: 20px;
  background: linear-gradient(180deg, var(--blue-lt), var(--sky));
  border-radius: 0 3px 3px 0;
  box-shadow: 0 0 10px rgba(59,130,246,0.5);
}
.nav-item svg { width: 14px; height: 14px; flex-shrink: 0; opacity: .75; transition: opacity .1s; }
.nav-item:hover svg { opacity: .9; }
.nav-item.active svg { opacity: 1; }
.nav-badge {
  margin-left: auto;
  background: rgba(255,255,255,0.07);
  border-radius: 5px; font-size: 10px;
  font-family: var(--mono); padding: 1px 5px; color: var(--text-3);
  transition: all .1s;
}
.nav-item.active .nav-badge { background: rgba(59,130,246,0.18); color: #93c5fd; }

/* ── SCHOOL GROUP NAV ───────────────────────────────────────────── */
.nav-school-group { margin: 0; }
.nav-school-toggle {
  display: flex; align-items: center; gap: 8px;
  padding: 7.5px 14px; margin: 1px 6px;
  border-radius: var(--r-sm);
  cursor: pointer; font-size: 13px; font-weight: 400;
  color: var(--text-2); letter-spacing: 0;
  transition: all .12s; user-select: none;
}
.nav-school-toggle:hover { background: var(--panel-hov); color: var(--text); }
.nav-school-toggle svg { width: 14px; height: 14px; flex-shrink: 0; opacity: .75; }
.nav-school-toggle svg.chevron { width: 10px; height: 10px; opacity: .45; transition: transform .1s; }
.nav-school-toggle.open svg.chevron { transform: rotate(90deg); }
.nav-school-children { overflow: hidden; transition: max-height .22s cubic-bezier(.4,0,.2,1); max-height: 0; }
.nav-school-children.open { max-height: 400px; }
.nav-school-children .nav-item { padding-left: 28px; font-size: 11.5px !important; color: var(--text-3); }
.nav-school-children .nav-item:hover { color: var(--text-2); }
.nav-school-children .nav-item.active {
  background: rgba(37,99,235,0.15);
  color: #60a5fa;
  box-shadow: inset 0 0 0 1px rgba(37,99,235,0.2);
}
.nav-school-children .nav-item.active::before {
  content: ''; position: absolute;
  left: -6px; top: 50%; transform: translateY(-50%);
  width: 2.5px; height: 18px;
  background: var(--blue-lt);
  border-radius: 0 3px 3px 0;
}

/* ── CPP PAID TOGGLE ────────────────────────────────────────────── */
.cpp-paid-toggle {
  display: inline-flex; align-items: center; gap: 10px;
  cursor: pointer; user-select: none;
  padding: 9px 14px; border-radius: var(--r-sm);
  border: 1px solid var(--border); background: var(--panel);
  transition: all .1s; white-space: nowrap;
}
.cpp-paid-toggle:hover { background: var(--panel-hov); border-color: var(--border-str); }
.cpp-paid-toggle input[type=checkbox] { display: none; }
.cpp-paid-track {
  width: 36px; height: 20px; border-radius: 10px;
  background: rgba(248,113,113,0.35); border: 1px solid rgba(248,113,113,0.4);
  position: relative; flex-shrink: 0; transition: all .1s;
}
.cpp-paid-thumb {
  position: absolute; top: 2px; left: 2px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--red); transition: all .1s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.4);
}
.cpp-paid-toggle input:checked ~ .cpp-paid-track {
  background: rgba(52,211,153,0.25); border-color: rgba(52,211,153,0.45);
}
.cpp-paid-toggle input:checked ~ .cpp-paid-track .cpp-paid-thumb {
  transform: translateX(16px); background: var(--green);
}
.cpp-paid-text { font-size: 12px; font-weight: 500; color: var(--red); transition: color .08s; }
.cpp-paid-toggle input:checked ~ .cpp-paid-text { color: var(--green); }
html.light .cpp-paid-track { background: rgba(220,38,38,0.15); border-color: rgba(220,38,38,0.3); }
html.light .cpp-paid-toggle input:checked ~ .cpp-paid-track { background: rgba(5,150,105,0.12); border-color: rgba(5,150,105,0.35); }

/* ── CPP FEE LIST ───────────────────────────────────────────────── */
.cpp-fee-list { display: flex; flex-direction: column; gap: 6px; margin-top: 4px; }
.cpp-fee-row {
  display: flex; align-items: center; gap: 8px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--r-sm); padding: 7px 10px;
}
.cpp-fee-row select { flex: 1; background: transparent; border: none; color: var(--text); font-size: 12.5px; outline: none; cursor: pointer; }
.cpp-fee-row select option { background: var(--bg-deep); }
.cpp-fee-paid-toggle {
  display: inline-flex; align-items: center; gap: 7px;
  cursor: pointer; user-select: none; white-space: nowrap; flex-shrink: 0;
}
.cpp-fee-paid-toggle input[type=checkbox] { display: none; }
.cpp-fee-track {
  width: 30px; height: 16px; border-radius: 8px;
  background: rgba(248,113,113,0.35); border: 1px solid rgba(248,113,113,0.4);
  position: relative; flex-shrink: 0; transition: all .1s;
}
.cpp-fee-thumb {
  position: absolute; top: 2px; left: 2px;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--red); transition: all .1s;
}
.cpp-fee-paid-toggle input:checked ~ .cpp-fee-track { background: rgba(52,211,153,0.25); border-color: rgba(52,211,153,0.45); }
.cpp-fee-paid-toggle input:checked ~ .cpp-fee-track .cpp-fee-thumb { transform: translateX(14px); background: var(--green); }
.cpp-fee-label { font-size: 11.5px; font-weight: 500; color: var(--red); transition: color .08s; min-width: 42px; }
.cpp-fee-paid-toggle input:checked ~ .cpp-fee-label { color: var(--green); }
.cpp-fee-remove { background: none; border: none; cursor: pointer; color: var(--text-3); padding: 2px 4px; border-radius: 4px; line-height: 1; flex-shrink: 0; }
.cpp-fee-remove:hover { color: var(--red); background: rgba(248,113,113,0.1); }
.cpp-add-fee-btn { display: flex; align-items: center; gap: 6px; background: none; border: 1px dashed var(--border); color: var(--text-3); font-size: 12px; padding: 6px 12px; border-radius: var(--r-sm); cursor: pointer; width: 100%; justify-content: center; transition: all .1s; margin-top: 2px; }
.cpp-add-fee-btn:hover { border-color: var(--blue-lt); color: var(--blue-lt); background: rgba(59,130,246,0.06); }
html.light .cpp-fee-row { background: rgba(0,0,0,0.04); }
html.light .cpp-fee-track { background: rgba(220,38,38,0.15); border-color: rgba(220,38,38,0.3); }
html.light .cpp-fee-paid-toggle input:checked ~ .cpp-fee-track { background: rgba(5,150,105,0.12); border-color: rgba(5,150,105,0.35); }

/* ── SERIAL INVENTORY HINT ──────────────────────────────────────── */
.serial-hint {
  display: none; margin-top: 5px; padding: 7px 10px;
  border-radius: var(--r-sm); font-size: 11.5px;
  border: 1px solid; line-height: 1.4;
}
.serial-hint.found {
  background: rgba(52,211,153,0.08); border-color: rgba(52,211,153,0.25); color: var(--green);
  display: flex; align-items: center; gap: 7px;
}
.serial-hint.not-found {
  background: rgba(251,191,36,0.08); border-color: rgba(251,191,36,0.25); color: var(--amber);
  display: flex; align-items: flex-start; gap: 7px; flex-direction: column;
}
.serial-hint.not-found .hint-row { display: flex; align-items: center; gap: 7px; }
html.light .serial-hint.found { background: rgba(5,150,105,0.07); border-color: rgba(5,150,105,0.25); color: #065f46; }
html.light .serial-hint.not-found { background: rgba(180,83,9,0.07); border-color: rgba(180,83,9,0.25); color: #78350f; }

/* ── CLASSROOM PAGE ─────────────────────────────────────────────── */
.classroom-tab-bar {
  display: flex; gap: 0; border-bottom: 2px solid var(--border);
  margin-bottom: 18px;
}
.classroom-tab {
  padding: 8px 18px; font-size: 12.5px; font-weight: 500;
  color: var(--text-2); cursor: pointer; border-bottom: 2px solid transparent;
  margin-bottom: -2px; transition: all .1s;
}
.classroom-tab:hover { color: var(--text); }
.classroom-tab.active { color: var(--blue-lt); border-bottom-color: var(--blue-lt); }
html.light .classroom-tab.active { color: var(--blue); border-bottom-color: var(--blue); }
.classroom-card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--r); padding: 16px 18px;
  transition: all .15s ease;
}
.classroom-card:hover { background: var(--panel-hov); border-color: var(--border-str); box-shadow: 0 2px 12px rgba(0,0,0,0.12); }
html.light .classroom-card { background: rgba(255,255,255,0.7); border-color: rgba(0,0,0,0.1); }
html.light .classroom-card:hover { background: #fff; box-shadow: 0 2px 12px rgba(0,0,0,0.06); }

/* ── SIDEBAR FOOTER ─────────────────────────────────────────────── */
.sb-foot { padding: 10px 12px; border-top: 1px solid var(--border); }
.user-pill-wrap { position: relative; }
.user-pill {
  display: flex; align-items: center; gap: 8px; padding: 8px 10px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--r-sm); cursor: pointer; transition: all .1s;
}
.user-pill:hover { background: var(--panel-hov); border-color: var(--border-str); }
.user-dots-btn {
  margin-left: auto; background: none; border: none; cursor: pointer;
  color: var(--text-3); padding: 3px 4px; border-radius: 4px;
  display: flex; align-items: center; flex-shrink: 0;
  transition: color .08s, background .08s;
}
.user-dots-btn:hover { color: var(--text); background: rgba(255,255,255,0.08); }
.user-menu {
  position: absolute; bottom: calc(100% + 6px); left: 0; right: 0;
  background: var(--glass-light); border: 1px solid var(--border-str);
  border-radius: var(--r-sm); padding: 4px;
  box-shadow: var(--shadow-lg);
  opacity: 0; pointer-events: none; transform: translateY(6px);
  transition: opacity .1s, transform .1s;
  z-index: 400;
}
.user-menu.open { opacity: 1; pointer-events: all; transform: translateY(0); }
.user-menu-item {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 10px; border-radius: 5px; cursor: pointer;
  font-size: 12.5px; color: var(--text-2);
  transition: background .12s, color .12s;
}
.user-menu-item:hover { background: var(--panel-hov); color: var(--text); }
.user-menu-item svg { flex-shrink: 0; opacity: .7; }
.user-menu-divider { height: 1px; background: var(--border); margin: 3px 0; }
.user-menu-signout { color: var(--red) !important; }
.user-menu-signout:hover { background: rgba(248,113,113,0.1) !important; }
html.light .user-dots-btn:hover { background: rgba(0,0,0,0.06); }
html.light .user-menu { background: #fff; }
.user-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--sky));
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 700; color: #fff; flex-shrink: 0;
}
.user-info { flex: 1; min-width: 0; }
.user-name { font-size: 12px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 10px; font-family: var(--mono); color: var(--text-3); }
.sb-sync { font-size: 10px; font-family: var(--mono); color: var(--text-3); margin-top: 7px; padding: 0 2px; }

/* ── TOPBAR ─────────────────────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 50;
  height: var(--topbar-h);
  background: rgba(10,10,16,0.85);
  backdrop-filter: saturate(180%) blur(28px);
  -webkit-backdrop-filter: saturate(180%) blur(28px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex; align-items: center; gap: 14px;
}
.topbar-title { font-size: 15.5px; font-weight: 700; flex: 1; letter-spacing: -.3px; }
.topbar-sub { font-size: 12px; color: var(--text-2); margin-left: 8px; font-weight: 400; }
.topbar-actions { display: flex; gap: 7px; align-items: center; }

/* ── BUTTONS ─────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 16px; border-radius: 9px;
  font-family: var(--sans); font-size: 12.5px; font-weight: 550;
  cursor: pointer; border: 1px solid transparent;
  transition: all .2s var(--ease, cubic-bezier(.16,1,.3,1)); white-space: nowrap; line-height: 1.1;
  letter-spacing: .01em;
}
.btn svg { width: 12px; height: 12px; flex-shrink: 0; vertical-align: middle; }
.btn-primary {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%); color: #fff;
  border-color: rgba(255,255,255,0.08);
  box-shadow: 0 1px 3px rgba(0,0,0,0.2), 0 0 0 1px rgba(59,130,246,0.25), inset 0 1px 0 rgba(255,255,255,0.08);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%); filter: brightness(1.08);
  box-shadow: 0 4px 14px rgba(59,130,246,0.3), 0 0 0 1px rgba(59,130,246,0.4), inset 0 1px 0 rgba(255,255,255,0.1);
  transform: translateY(-1px);
}
.btn-primary:active { filter: brightness(0.95); transform: scale(0.98) translateY(0); }
.btn-ghost {
  background: transparent; color: var(--text-2);
  border-color: var(--border);
}
.btn-ghost:hover { background: rgba(255,255,255,0.05); color: var(--text); border-color: var(--border-str); }
.btn-ghost:active { background: rgba(255,255,255,0.025); }
.btn-danger { background: rgba(248,113,113,0.08); color: var(--red); border-color: rgba(248,113,113,0.2); }
.btn-danger:hover { background: rgba(248,113,113,0.14); box-shadow: 0 0 12px rgba(248,113,113,0.08); transform: translateY(-1px); }
.btn-danger:active { background: rgba(248,113,113,0.10); transform: translateY(0); }
.btn-amber { background: rgba(251,191,36,0.08); color: var(--amber); border-color: rgba(251,191,36,0.2); }
.btn-amber:hover { background: rgba(251,191,36,0.14); transform: translateY(-1px); }
.btn-sm { padding: 6px 12px; font-size: 11.5px; border-radius: 7px; }
.btn-icon {
  padding: 7px; border-radius: 8px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  color: var(--text-2); cursor: pointer; transition: all .15s var(--ease, cubic-bezier(.16,1,.3,1));
  display: inline-flex; align-items: center; justify-content: center;
}
.btn-icon:hover { background: rgba(255,255,255,0.08); color: var(--text); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,0.2); }
.btn-icon:active { transform: translateY(0); }
.btn-icon svg { width: 13px; height: 13px; }

/* ── PAGE BODY ──────────────────────────────────────────────────── */
.page-body { padding: 22px 26px; flex: 1; }
.page { display: none; }
.page.active { display: block; animation: pageIn .35s var(--ease, cubic-bezier(.16,1,.3,1)); }
@keyframes pageIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
#page-checkin.active { display: flex; }

/* ── CARDS ──────────────────────────────────────────────────────── */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r);
  transition: all .2s var(--ease, cubic-bezier(.16,1,.3,1));
}
.card-hov {
  cursor: pointer;
}
.card-hov:hover {
  background: var(--panel-hov); border-color: var(--border-str);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.4), 0 0 16px rgba(59,130,246,0.04);
}

/* ── STAT CARDS ─────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  gap: 10px; margin-bottom: 22px;
}
.stat-card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--r); padding: 16px 18px;
  position: relative; overflow: hidden;
  transition: all .2s var(--ease, cubic-bezier(.16,1,.3,1));
}
.stat-card:hover {
  background: var(--panel-hov); transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0,0,0,0.35), 0 0 24px color-mix(in srgb, var(--stat-color, var(--blue)) 12%, transparent);
  border-color: color-mix(in srgb, var(--stat-color, var(--blue)) 20%, var(--border));
}
.stat-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2.5px;
  background: linear-gradient(90deg, var(--stat-color, var(--blue)), color-mix(in srgb, var(--stat-color, var(--blue)) 60%, var(--sky)));
  border-radius: var(--r) var(--r) 0 0;
  box-shadow: 0 0 12px color-mix(in srgb, var(--stat-color, var(--blue)) 35%, transparent);
}
.stat-val {
  font-family: var(--mono); font-size: 28px; font-weight: 600;
  color: var(--stat-color, var(--text)); line-height: 1;
  letter-spacing: -.02em;
}
.stat-label { font-size: 11px; color: var(--text-2); margin-top: 6px; font-weight: 450; letter-spacing: .01em; }
.stat-card.blue  { --stat-color: var(--blue-lt); }
.stat-card.green { --stat-color: var(--green); }
.stat-card.amber { --stat-color: var(--amber); }
.stat-card.red   { --stat-color: var(--red); }
.stat-card.sky   { --stat-color: var(--sky); }
.stat-card.purple{ --stat-color: var(--purple); }

/* ── SEARCH / FILTER ────────────────────────────────────────────── */
.filter-row { display: flex; gap: 7px; margin-bottom: 14px; flex-wrap: wrap; }
.search-wrap { position: relative; flex: 1; min-width: 180px; }
.search-wrap svg {
  position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
  width: 13px; height: 13px; color: var(--text-3); pointer-events: none;
  transition: color .08s;
}
.search-wrap:focus-within svg { color: var(--blue-lt); }
.input, .search-input, .sel-input {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 8px; color: var(--text);
  font-family: var(--sans); font-size: 13px; outline: none;
  transition: border-color .15s var(--ease, cubic-bezier(.16,1,.3,1)), background-color .15s, box-shadow .15s;
}
.input:focus, .search-input:focus, .sel-input:focus {
  border-color: var(--border-focus);
  background-color: rgba(255,255,255,0.06);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.07), 0 0 16px rgba(59,130,246,0.05);
}
.input::placeholder, .search-input::placeholder { color: var(--text-3); }
.search-input { width: 100%; padding: 7.5px 12px 7.5px 32px; }
.sel-input { padding: 7.5px 12px; cursor: pointer; }

/* ── TABLE ──────────────────────────────────────────────────────── */
.table-wrap {
  border-radius: var(--r); border: 1px solid var(--border); overflow: hidden;
  transition: border-color .12s;
}
.table-wrap:hover { border-color: var(--border-str); }
.data-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.data-table th {
  padding: 10px 13px; text-align: left;
  font-family: var(--mono); font-size: 9.5px; letter-spacing: .08em;
  color: var(--text-3); border-bottom: 1px solid var(--border);
  background: rgba(0,0,0,0.2); font-weight: 600; white-space: nowrap;
  text-transform: uppercase;
}
.data-table td {
  padding: 10px 13px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr { transition: background .15s var(--ease, cubic-bezier(.16,1,.3,1)); }
.data-table tbody tr:hover td { background: rgba(255,255,255,0.035); }

/* ── CHIPS ──────────────────────────────────────────────────────── */
.chip {
  display: inline-flex; align-items: center; gap: 3px;
  padding: 2.5px 8px; border-radius: 6px;
  font-family: var(--mono); font-size: 10px; font-weight: 550;
  white-space: nowrap; letter-spacing: .01em;
}
.chip-blue   { background: rgba(59,130,246,0.11); color: #93c5fd; border: 1px solid rgba(59,130,246,0.22); }
.chip-green  { background: rgba(52,211,153,0.09);  color: #6ee7b7; border: 1px solid rgba(52,211,153,0.22); }
.chip-amber  { background: rgba(251,191,36,0.09);  color: #fcd34d; border: 1px solid rgba(251,191,36,0.22); }
.chip-red    { background: rgba(248,113,113,0.09); color: #fca5a5; border: 1px solid rgba(248,113,113,0.22); }
.chip-sky    { background: rgba(56,189,248,0.09);  color: #7dd3fc; border: 1px solid rgba(56,189,248,0.22); }
.chip-purple { background: rgba(167,139,250,0.09); color: #c4b5fd; border: 1px solid rgba(167,139,250,0.22); }
.chip-gray   { background: rgba(255,255,255,0.04); color: var(--text-2); border: 1px solid var(--border); }
.chip-orange { background: rgba(251,146,60,0.09);  color: #fdba74; border: 1px solid rgba(251,146,60,0.22); }

/* ── AVATAR ─────────────────────────────────────────────────────── */
.avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: linear-gradient(135deg, rgba(59,130,246,0.5), rgba(56,189,248,0.4));
  border: 1px solid rgba(59,130,246,0.2);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 10px; font-weight: 600; color: var(--sky);
  flex-shrink: 0; overflow: hidden;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; object-position: center; border-radius: 50%; }
.student-cell { display: flex; align-items: center; gap: 10px; }
.student-name { font-weight: 500; font-size: 13px; white-space: nowrap; }
.student-id { font-family: var(--mono); font-size: 9.5px; color: var(--text-3); }

/* ── SERIAL INLINE EDIT ─────────────────────────────────────────── */
.serial-field {
  font-family: var(--mono); font-size: 11px;
  background: transparent; border: 1px solid transparent;
  border-radius: 5px; padding: 3px 7px; color: var(--text);
  width: 120px; cursor: pointer; transition: all .1s;
}
.serial-field:hover { border-color: var(--border); background: var(--panel); }
.serial-field:focus { border-color: var(--border-focus); background: var(--panel); outline: none; }
.serial-field::placeholder { color: var(--text-3); }

/* ── ROW ACTIONS ────────────────────────────────────────────────── */
.row-actions { display: flex; gap: 4px; opacity: 0; transition: opacity .1s; }
.data-table tr:hover .row-actions { opacity: 1; }

/* ── MODAL ──────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .25s var(--ease, cubic-bezier(.16,1,.3,1));
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: rgba(14,14,20,0.97);
  border: 1px solid var(--border-str);
  border-radius: var(--r-lg);
  width: 580px; max-width: 96vw; max-height: 90vh;
  display: flex; flex-direction: column;
  box-shadow: 0 32px 80px rgba(0,0,0,0.75), 0 0 48px rgba(59,130,246,0.04), inset 0 1px 0 rgba(255,255,255,0.05);
  transform: scale(0.95) translateY(14px);
  transition: transform .3s var(--ease, cubic-bezier(.16,1,.3,1)), opacity .3s;
  opacity: 0;
}
.modal-overlay.open .modal { transform: scale(1) translateY(0); opacity: 1; }
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
}
.modal-title { font-size: 15px; font-weight: 700; letter-spacing: -.25px; }
.modal-close {
  background: rgba(255,255,255,0.05); border: none;
  border-radius: 7px; padding: 6px; color: var(--text-2);
  cursor: pointer; display: flex; transition: all .15s;
}
.modal-close:hover { background: rgba(255,255,255,0.1); color: var(--text); }
.modal-body { padding: 22px; overflow-y: auto; flex: 1; }
.modal-foot {
  padding: 14px 22px; border-top: 1px solid var(--border);
  display: flex; gap: 8px; justify-content: flex-end;
}

/* ── FORM ───────────────────────────────────────────────────────── */
.form-group { margin-bottom: 15px; }
.form-label {
  display: block; font-family: var(--mono); font-size: 10px;
  color: var(--text-3); margin-bottom: 6px;
  letter-spacing: .07em; text-transform: uppercase; font-weight: 550;
}
.form-input {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 8px; padding: 9px 12px;
  font-family: var(--sans); font-size: 13px; color: var(--text); outline: none;
  transition: border-color .15s var(--ease, cubic-bezier(.16,1,.3,1)), background-color .15s, box-shadow .15s;
}
.form-input:focus {
  border-color: var(--border-focus); background-color: rgba(255,255,255,0.06);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.07), 0 0 16px rgba(59,130,246,0.05);
}
.form-input::placeholder { color: var(--text-3); }
textarea.form-input { resize: vertical; min-height: 70px; }
.form-row { display: flex; gap: 11px; }
.form-row .form-group { flex: 1; }
.form-hint { font-size: 10.5px; color: var(--text-3); margin-top: 3px; }

/* ── SCAN BOX ───────────────────────────────────────────────────── */
.scan-box {
  background: rgba(37,99,235,0.05);
  border: 1.5px dashed rgba(59,130,246,0.3);
  border-radius: var(--r); padding: 16px; text-align: center;
  cursor: pointer; transition: all .1s;
}
.scan-box:hover, .scan-box:focus-within {
  border-color: var(--blue-lt); background: rgba(37,99,235,0.09);
}
.scan-box svg { color: var(--blue-lt); margin-bottom: 5px; }
.scan-box p { font-size: 11.5px; color: var(--text-2); }

/* ── GRADE CARDS ────────────────────────────────────────────────── */
.grades-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px,1fr)); gap: 10px; }
.grade-card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--r); padding: 18px 20px;
  cursor: pointer; transition: all .2s var(--ease, cubic-bezier(.16,1,.3,1));
}
.grade-card:hover {
  background: var(--panel-hov); border-color: rgba(59,130,246,0.18);
  transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,0,0,0.4), 0 0 20px rgba(59,130,246,0.05);
}
.grade-year { font-family: var(--mono); font-size: 22px; font-weight: 600; color: var(--blue-lt); letter-spacing: -.02em; }
.grade-label { font-size: 11.5px; color: var(--text-2); margin-top: 2px; }
.grade-stats { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.grade-stat { font-size: 11px; color: var(--text-2); }
.grade-stat span { font-family: var(--mono); font-size: 15px; font-weight: 500; display: block; }

/* ── NOTES ──────────────────────────────────────────────────────── */
.notes-bubble {
  background: rgba(251,191,36,0.06);
  border: 1px solid rgba(251,191,36,0.18);
  border-radius: 5px; padding: 5px 8px; font-size: 11px; color: var(--amber);
  max-width: 200px; white-space: pre-wrap; word-break: break-word;
}

/* ── TOAST ──────────────────────────────────────────────────────── */
.toast-wrap { position: fixed; bottom: 20px; right: 20px; display: flex; flex-direction: column; gap: 7px; z-index: 300; }
th[onclick]:hover { background: var(--panel-hov); }
th[onclick] { transition: background .1s; }
.nav-item-grade { padding-left: 36px !important; }
.nav-item-grade .nav-grade-dot { width:6px;height:6px;border-radius:50%;background:var(--text-3);flex-shrink:0; transition: background .12s; }
.nav-item-grade.active .nav-grade-dot { background: var(--blue-lt); }
.toast {
  background: rgba(12,12,16,0.97);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border: 1px solid var(--border-str);
  border-radius: var(--r); padding: 12px 16px;
  font-size: 12.5px; font-weight: 450; min-width: 220px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.55);
  animation: toastIn .3s var(--ease, cubic-bezier(.16,1,.3,1));
  display: flex; align-items: center; gap: 10px;
}
.toast::before { content: '●'; font-size: 7px; }
.toast.success { border-color: rgba(52,211,153,0.3); color: var(--green); box-shadow: 0 12px 40px rgba(0,0,0,0.55), 0 0 20px rgba(52,211,153,0.05); }
.toast.success::before { color: var(--green); }
.toast.error   { border-color: rgba(248,113,113,0.3); color: var(--red); box-shadow: 0 12px 40px rgba(0,0,0,0.55), 0 0 20px rgba(248,113,113,0.05); }
.toast.error::before   { color: var(--red); }
.toast.info    { border-color: rgba(59,130,246,0.3); color: var(--blue-lt); box-shadow: 0 12px 40px rgba(0,0,0,0.55), 0 0 20px rgba(59,130,246,0.05); }
.toast.info::before    { color: var(--blue-lt); }
@keyframes toastIn {
  from { opacity:0; transform:translateX(20px) scale(0.94); }
  to   { opacity:1; transform:translateX(0) scale(1); }
}

/* ── IMPORT ─────────────────────────────────────────────────────── */
.import-zone {
  border: 2px dashed var(--border);
  border-radius: var(--r); padding: 44px; text-align: center;
  cursor: pointer; transition: all .12s cubic-bezier(.16,1,.3,1);
}
.import-zone:hover, .import-zone.drag {
  border-color: var(--blue-lt); background: rgba(37,99,235,0.04);
  box-shadow: 0 0 24px rgba(37,99,235,0.06);
}
.import-zone svg { color: var(--blue-lt); margin-bottom: 10px; }
.import-zone p { font-size: 12.5px; color: var(--text-2); }
.import-zone strong { color: var(--text); }

/* ── SETTINGS ───────────────────────────────────────────────────── */
.settings-section {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--r); padding: 20px 22px; margin-bottom: 14px;
  transition: border-color .15s;
}
.settings-section:hover { border-color: var(--border-str); }
.settings-title {
  font-size: 14px; font-weight: 700; margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
  letter-spacing: -.015em;
}
.settings-title svg { color: var(--blue-lt); }

/* ── PERMISSIONS ────────────────────────────────────────────────── */
.perm-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.perm-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 7px 11px;
  background: rgba(0,0,0,0.2); border-radius: var(--r-sm);
  font-size: 12.5px;
  transition: background .1s;
}
.perm-row:hover { background: rgba(0,0,0,0.28); }
.perm-label { color: var(--text-2); }
.toggle {
  width: 36px; height: 20px;
  background: rgba(255,255,255,0.08);
  border-radius: 10px; position: relative;
  cursor: pointer; transition: all .2s var(--ease, cubic-bezier(.16,1,.3,1));
  flex-shrink: 0; border: none;
}
.toggle:hover { background: rgba(255,255,255,0.12); }
.toggle.on { background: var(--blue); box-shadow: 0 0 12px rgba(59,130,246,0.25); }
.toggle::after {
  content: ''; position: absolute;
  top: 3px; left: 3px;
  width: 14px; height: 14px;
  background: #fff; border-radius: 50%;
  transition: transform .2s var(--ease, cubic-bezier(.16,1,.3,1));
  box-shadow: 0 1px 4px rgba(0,0,0,0.35);
}
.toggle.on::after { transform: translateX(16px); }
.user-list-item {
  display: flex; align-items: center; gap: 11px; padding: 9px 13px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--r-sm); margin-bottom: 7px;
  transition: all .12s cubic-bezier(.16,1,.3,1);
}
.user-list-item:hover { background: var(--panel-hov); border-color: var(--border-str); }
.user-list-avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: linear-gradient(135deg, rgba(37,99,235,0.5), rgba(56,189,248,0.5));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 10px; color: #fff; flex-shrink: 0;
}

/* ── EMPTY STATE ────────────────────────────────────────────────── */
.empty { text-align: center; padding: 60px 24px; color: var(--text-3); }
.empty svg { margin: 0 auto 12px; display: block; opacity: .2; }
.empty p { font-size: 12.5px; line-height: 1.6; }

/* ── STATUS SELECT ──────────────────────────────────────────────── */
.status-select {
  background: rgba(255,255,255,0.06); border: 1px solid var(--border);
  border-radius: var(--r-sm); color: var(--text); font-family: var(--sans);
  font-size: 11.5px; padding: 3.5px 8px; cursor: pointer; outline: none;
  transition: border-color .08s;
}
.status-select:focus { border-color: var(--border-focus); }

/* ── DASHBOARD ──────────────────────────────────────────────────── */
.dash-row {
  display: flex; align-items: center; gap: 11px;
  padding: 9px 0; border-bottom: 1px solid rgba(255,255,255,0.035);
  transition: all .12s cubic-bezier(.16,1,.3,1);
}
.dash-row:hover { padding-left: 4px; }
.dash-row:last-child { border-bottom: none; }

/* ── ARCHIVE ────────────────────────────────────────────────────── */
.archive-card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--r); padding: 14px 18px; margin-bottom: 10px; opacity: .6;
}

/* ── TABS ───────────────────────────────────────────────────────── */
.tab-bar {
  display: flex; gap: 4px;
  margin-bottom: 18px; width: fit-content;
}
.tab {
  padding: 7px 14px; font-size: 12px; font-weight: 500; color: var(--text-3);
  cursor: pointer; border-radius: 7px; transition: all .15s ease;
  display: inline-flex; align-items: center;
  border: 1px solid transparent;
  background: none; -webkit-appearance: none; appearance: none;
}
.tab:hover { color: var(--text); background: rgba(255,255,255,0.05); border-color: var(--border); }
.tab.active { color: var(--blue-lt); background: rgba(59,130,246,0.12); border-color: rgba(59,130,246,0.25); }

/* ── SECTION HEADER ─────────────────────────────────────────────── */
.section-header {
  display: flex; align-items: center;
  justify-content: space-between; margin-bottom: 12px;
}
.section-title { font-size: 14px; font-weight: 700; letter-spacing: -.015em; }
.section-sub { font-size: 11.5px; color: var(--text-2); }

/* ── 2-COL DASH ─────────────────────────────────────────────────── */
.dash-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 22px; }
@media (max-width: 900px) { .dash-cols { grid-template-columns: 1fr; } }

/* ── MISC ───────────────────────────────────────────────────────── */
hr.divider { border: none; border-top: 1px solid var(--border); margin: 14px 0; }
.text-muted { color: var(--text-2); }
.text-mono { font-family: var(--mono); }

/* ── SELECT STYLING ─────────────────────────────────────────────── */
select.form-input, select.sel-input, select.status-select {
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%239ba3b4' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
}
select.form-input option, select.sel-input option, select.ci-select option { background: #1e1e1e; color: #efefef; }

/* ── REALTIME COLLABORATION ─────────────────────────────────────── */

/* Online users bar in sidebar footer */
.collab-bar {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 10px 6px; margin: 0 0 4px;
  border-radius: var(--r-sm);
  min-height: 36px;
}
.collab-bar-label {
  font-size: 10px; color: var(--text-3);
  text-transform: uppercase; letter-spacing: .08em;
  white-space: nowrap; flex-shrink: 0;
}
.collab-avatars { display: flex; align-items: center; gap: -4px; flex: 1; }
.collab-avatar {
  width: 24px; height: 24px; border-radius: 50%;
  border: 2px solid var(--bg);
  display: flex; align-items: center; justify-content: center;
  font-size: 9px; font-weight: 700; color: #fff;
  margin-left: -6px; flex-shrink: 0;
  cursor: default; position: relative;
  transition: transform .08s;
  font-family: var(--sans);
}
.collab-avatar > img {
  width: 100%; height: 100%; object-fit: cover; border-radius: 50%;
  position: absolute; inset: 0;
}
.collab-avatar:first-child { margin-left: 0; }
.collab-avatar:hover { transform: translateY(-2px); z-index: 10; }
/* collab-avatar img handled inline above */
.collab-avatar-tooltip {
  position: absolute; bottom: calc(100% + 6px); left: 50%;
  transform: translateX(-50%);
  background: var(--glass); border: 1px solid var(--border-str);
  border-radius: var(--r-sm); padding: 5px 8px; font-size: 11px;
  white-space: nowrap; pointer-events: none; z-index: 200;
  opacity: 0; transition: opacity .1s;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}
.collab-avatar:hover .collab-avatar-tooltip { opacity: 1; }
.collab-avatar-tooltip .tip-name { font-weight: 600; color: var(--text); }
.collab-avatar-tooltip .tip-page { font-size: 10px; color: var(--text-2); margin-top: 1px; }
.collab-overflow {
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--panel); border: 2px solid var(--bg);
  display: flex; align-items: center; justify-content: center;
  font-size: 9px; color: var(--text-2); margin-left: -6px; flex-shrink: 0;
}
.collab-pulse {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green); flex-shrink: 0;
  animation: collabPulse 2.2s ease-in-out infinite;
  box-shadow: 0 0 0 0 rgba(52,211,153,0.5);
}
@keyframes collabPulse {
  0%   { box-shadow: 0 0 0 0 rgba(52,211,153,0.5); }
  50%  { box-shadow: 0 0 0 5px rgba(52,211,153,0); }
  100% { box-shadow: 0 0 0 0 rgba(52,211,153,0); }
}
html.light .collab-pulse { animation-name: collabPulseLight; }
@keyframes collabPulseLight {
  0%   { box-shadow: 0 0 0 0 rgba(5,150,105,0.5); }
  50%  { box-shadow: 0 0 0 5px rgba(5,150,105,0); }
  100% { box-shadow: 0 0 0 0 rgba(5,150,105,0); }
}

/* Row-level presence halo */
.prow-halo {
  position: relative;
}
.prow-halo::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 4px;
  pointer-events: none;
  z-index: 2;
  transition: box-shadow .1s, border-color .1s;
}
tr.prow-halo td:first-child { position: relative; }

/* Presence badge strip on table rows */
.row-presence-strip {
  display: flex; gap: 2px; align-items: center;
  position: absolute; top: -9px; left: 2px; z-index: 20;
  pointer-events: none;
}
.row-presence-avatar {
  width: 18px; height: 18px; border-radius: 50%;
  border: 1.5px solid var(--bg);
  display: flex; align-items: center; justify-content: center;
  font-size: 8px; font-weight: 700; color: #fff;
  overflow: hidden; flex-shrink: 0;
}
.row-presence-avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }

/* Field-level editing glow */
.field-editing-glow {
  box-shadow: 0 0 0 2px var(--presence-color, var(--blue-lt)) !important;
  outline: none !important;
}

/* Conflict warning toast */
.toast.conflict {
  border-color: rgba(251,191,36,0.45); color: var(--amber);
}
.toast.conflict::before { color: var(--amber); }

/* Modal presence indicator */
.modal-presence-bar {
  display: flex; align-items: center; gap: 7px;
  padding: 7px 12px;
  background: rgba(251,191,36,0.07);
  border: 1px solid rgba(251,191,36,0.2);
  border-radius: var(--r-sm);
  margin-bottom: 12px;
  font-size: 11.5px; color: var(--amber);
  animation: fadeIn .2s ease;
}
.modal-presence-bar svg { flex-shrink: 0; }
@keyframes fadeIn { from { opacity:0; transform:translateY(-4px); } to { opacity:1; transform:translateY(0); } }

html.light .collab-avatar { border-color: var(--bg-deep); }
html.light .collab-overflow { border-color: var(--bg-deep); background: rgba(0,0,0,0.06); }

/* ── LOANER CARTS ─────────────────────────────────────────────── */
.loaner-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 0;
  height: 100%;
  overflow: hidden;
}
.loaner-cart-sidebar {
  border-right: 1px solid var(--border);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.loaner-cart-sidebar-head {
  padding: 14px 14px 10px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.loaner-cart-sidebar-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-3);
}
.loaner-cart-list { padding: 8px 6px; flex: 1; }
.loaner-cart-item {
  display: flex; align-items: center; gap: 9px;
  padding: 9px 10px; border-radius: var(--r-sm);
  cursor: pointer; transition: all .12s;
  margin-bottom: 2px;
  border: 1px solid transparent;
  position: relative;
}
.loaner-cart-item:hover { background: var(--panel-hov); }
.loaner-cart-item.active {
  background: var(--panel-sel);
  border-color: rgba(37,99,235,.22);
}
.loaner-cart-item.active::before {
  content: '';
  position: absolute; left: -6px; top: 50%; transform: translateY(-50%);
  width: 2.5px; height: 18px;
  background: var(--blue-lt); border-radius: 0 3px 3px 0;
}
.loaner-cart-icon {
  width: 30px; height: 30px; border-radius: var(--r-sm);
  background: rgba(59,130,246,.15);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: var(--blue-lt);
}
.loaner-cart-item.active .loaner-cart-icon { background: rgba(59,130,246,.22); }
.loaner-cart-name { font-size: 13px; font-weight: 500; color: var(--text); flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.loaner-cart-meta { font-size: 10.5px; color: var(--text-3); font-family: var(--mono); }
.loaner-cart-badge {
  font-size: 10px; font-family: var(--mono);
  padding: 1px 6px; border-radius: 5px;
  background: rgba(248,113,113,.15);
  color: var(--red); flex-shrink: 0;
}
.loaner-cart-badge.out-0 { background: rgba(52,211,153,.1); color: var(--green); }

/* Main panel */
.loaner-main {
  display: flex; flex-direction: column; overflow: hidden;
}
.loaner-topbar {
  padding: 0 20px;
  height: var(--topbar-h);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  flex-shrink: 0;
  background: var(--glass);
  backdrop-filter: var(--vibrancy);
}
.loaner-title { font-size: 15px; font-weight: 600; }
.loaner-body { flex: 1; overflow-y: auto; padding: 20px; }

/* Scan zone */
.loaner-scan-zone {
  background: var(--panel);
  border: 1.5px solid var(--border);
  border-radius: var(--r-lg);
  padding: 20px;
  margin-bottom: 18px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.loaner-scan-box {
  display: flex; flex-direction: column; gap: 10px;
}
.loaner-scan-label {
  font-size: 11px; font-weight: 600; text-transform: uppercase;
  letter-spacing: .08em; display: flex; align-items: center; gap: 7px;
}
.loaner-scan-label svg { flex-shrink: 0; }
.loaner-scan-label.checkout { color: var(--red); }
.loaner-scan-label.checkin { color: var(--green); }
.loaner-scan-input-wrap {
  display: flex; gap: 7px;
}
.loaner-scan-input {
  flex: 1;
  background: var(--bg-deep);
  border: 1.5px solid var(--border-str);
  border-radius: var(--r-sm);
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
  padding: 9px 12px;
  outline: none;
  transition: border-color .08s;
}
.loaner-scan-input:focus { border-color: var(--border-focus); }
.loaner-scan-input.co-active:focus { border-color: rgba(248,113,113,.7); }
.loaner-scan-input.ci-active:focus { border-color: rgba(52,211,153,.7); }
.loaner-student-wrap {
  position: relative;
}
.loaner-student-input {
  width: 100%;
  background: var(--bg-deep);
  border: 1.5px solid var(--border-str);
  border-radius: var(--r-sm);
  color: var(--text);
  font-family: var(--sans);
  font-size: 13px;
  padding: 9px 12px;
  outline: none;
  transition: border-color .08s;
}
.loaner-student-input:focus { border-color: var(--border-focus); }
.loaner-student-dropdown {
  position: absolute; top: calc(100% + 4px); left: 0; right: 0;
  background: var(--glass-light);
  border: 1px solid var(--border-str);
  border-radius: var(--r-sm);
  box-shadow: var(--shadow);
  z-index: 50; max-height: 180px; overflow-y: auto;
  backdrop-filter: blur(20px);
  display: none;
}
.loaner-student-dropdown.open { display: block; }
.loaner-student-option {
  padding: 8px 12px; cursor: pointer; font-size: 12.5px;
  display: flex; align-items: center; gap: 9px;
  transition: background .1s;
}
.loaner-student-option:hover { background: var(--panel-hov); }
.loaner-scan-result {
  padding: 8px 12px; border-radius: var(--r-sm);
  font-size: 12px; line-height: 1.5;
  display: none; margin-top: 2px;
}
.loaner-scan-result.ok    { background: rgba(52,211,153,.08); border: 1px solid rgba(52,211,153,.25); color: var(--green); display: block; }
.loaner-scan-result.error { background: rgba(248,113,113,.08); border: 1px solid rgba(248,113,113,.25); color: var(--red);   display: block; }
.loaner-scan-result.warn  { background: rgba(251,191,36,.08);  border: 1px solid rgba(251,191,36,.25);  color: var(--amber); display: block; }
.loaner-divider { width: 1px; background: var(--border); align-self: stretch; }

/* Cart devices table */
.loaner-devices-section { margin-bottom: 20px; }
.loaner-devices-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 10px;
}
.loaner-devices-title { font-size: 13px; font-weight: 600; }
.loaner-devices-meta { font-size: 11.5px; color: var(--text-2); }

/* Status chip for loaner */
.loaner-chip-out  { background: rgba(248,113,113,.15); color: var(--red);   border: 1px solid rgba(248,113,113,.3); border-radius: 5px; padding: 2px 8px; font-size: 11px; font-weight: 500; }
.loaner-chip-in   { background: rgba(52,211,153,.1);  color: var(--green); border: 1px solid rgba(52,211,153,.3); border-radius: 5px; padding: 2px 8px; font-size: 11px; font-weight: 500; }

/* Log section */
.loaner-log-entry {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 9px 0; border-bottom: 1px solid var(--border);
  font-size: 12px;
}
.loaner-log-entry:last-child { border-bottom: none; }
.loaner-log-icon {
  width: 26px; height: 26px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; margin-top: 1px;
}
.loaner-log-icon.out { background: rgba(248,113,113,.15); color: var(--red); }
.loaner-log-icon.in  { background: rgba(52,211,153,.12);  color: var(--green); }
.loaner-log-body { flex: 1; }
.loaner-log-serial { font-family: var(--mono); font-weight: 600; color: var(--text); font-size: 12px; }
.loaner-log-detail { color: var(--text-2); margin-top: 1px; }
.loaner-log-ts { font-family: var(--mono); font-size: 10.5px; color: var(--text-3); flex-shrink: 0; margin-top: 2px; }

/* Empty loaner state */
.loaner-empty {
  text-align: center; padding: 60px 24px;
  color: var(--text-3);
}
.loaner-empty svg { opacity: .15; margin: 0 auto 14px; display: block; }
.loaner-empty p { font-size: 13px; }

/* Light mode overrides */
html.light .loaner-cart-sidebar { border-right-color: rgba(0,0,0,.1); }
html.light .loaner-topbar { background: rgba(238,241,248,.90); border-bottom-color: rgba(0,0,0,.07); }
html.light .loaner-scan-zone { background: rgba(255,255,255,.6); border-color: rgba(0,0,0,.1); }
html.light .loaner-scan-input,
html.light .loaner-student-input { background: rgba(255,255,255,.85); border-color: rgba(0,0,0,.14); color: #111827; }
html.light .loaner-student-dropdown { background: rgba(240,244,250,.97); border-color: rgba(0,0,0,.14); }
/* Loaner level tab bar */
.loaner-level-bar {
  display: flex; gap: 0;
  border-bottom: 2px solid var(--border);
  flex-shrink: 0;
  background: var(--glass);
  backdrop-filter: var(--vibrancy);
  padding: 0 16px;
}
.loaner-level-tab {
  padding: 10px 18px; font-size: 12.5px; font-weight: 500;
  color: var(--text-2); cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px; transition: all .1s;
  white-space: nowrap;
}
.loaner-level-tab:hover { color: var(--text); }
.loaner-level-tab.active { color: var(--blue-lt); border-bottom-color: var(--blue-lt); }
html.light .loaner-level-tab.active { color: var(--blue); border-bottom-color: var(--blue); }

/* Adjust layout to stack tab-bar above the two-panel split */
#page-loaner { flex-direction: column; }
#page-loaner .loaner-layout { flex: 1; overflow: hidden; }

html.light .loaner-level-bar { background: rgba(238,241,248,.90); border-bottom-color: rgba(0,0,0,.07); }

/* ═══ INCIDENTS ════════════════════════════════════════════════ */
/* Lifecycle badges */
.inc-badge{display:inline-flex;align-items:center;gap:4px;padding:2px 9px;border-radius:6px;font-size:11px;font-weight:600;white-space:nowrap;}
.inc-open      {background:rgba(248,113,113,.14);color:var(--red);  border:1px solid rgba(248,113,113,.3);}
.inc-inprogress{background:rgba(251,191,36,.12); color:var(--amber);border:1px solid rgba(251,191,36,.3);}
.inc-techoffice{background:rgba(59,130,246,.12); color:var(--blue-lt);border:1px solid rgba(59,130,246,.3);}
.inc-resolved  {background:rgba(52,211,153,.10); color:var(--green);border:1px solid rgba(52,211,153,.25);}
/* Workflow card */
.wf-card{background:var(--panel);border:1px solid var(--border);border-left:3px solid var(--blue-lt);border-radius:var(--r);padding:16px 18px;margin-bottom:10px;transition:all .15s ease;cursor:pointer;}
.wf-card:hover{border-color:var(--border-str);box-shadow:0 2px 12px rgba(0,0,0,0.15);}
.wf-card-head{display:flex;align-items:center;gap:8px;margin-bottom:12px;flex-wrap:wrap;}
.wf-card-serial{font-family:var(--mono);font-size:14px;font-weight:600;}
.wf-card-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px 16px;font-size:12px;}
.wf-field-label{font-size:9.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-3);margin-bottom:2px;font-family:var(--mono);}
.wf-field-val{font-size:13px;font-weight:500;}
/* Tech office table */
.to-row-blocked{background:rgba(248,113,113,.04);}
html.light .wf-card{border-left-color:#2563eb;}
html.light .wf-card:hover{box-shadow:0 2px 12px rgba(0,0,0,0.08);}
.inc-type-chip {background:rgba(167,139,250,.12);color:var(--purple);border:1px solid rgba(167,139,250,.25);display:inline-block;padding:2px 8px;border-radius:5px;font-size:10.5px;font-weight:500;}

/* Table row accent stripe */
.inc-row-open      {border-left:3px solid var(--red)  !important;}
.inc-row-inprogress{border-left:3px solid var(--amber)!important;}
.inc-row-resolved  {border-left:3px solid var(--green)!important;opacity:.78;}

/* Slide-over panel */
.inc-panel{width:560px;max-width:96vw;background:rgba(14,14,20,.96);border-left:1px solid var(--border-str);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden;animation:incIn .22s ease;}
@keyframes incIn{from{transform:translateX(32px);opacity:0}to{transform:translateX(0);opacity:1}}
.inc-panel-head{padding:16px 18px;border-bottom:1px solid var(--border);display:flex;align-items:flex-start;gap:10px;flex-shrink:0;}
.inc-panel-title{font-size:14px;font-weight:600;flex:1;line-height:1.3;}
.inc-panel-body{flex:1;overflow-y:auto;padding:18px;}
.inc-panel-foot{padding:12px 18px;border-top:1px solid var(--border);display:flex;gap:8px;align-items:center;flex-shrink:0;}

/* Form section heads */
.inc-sh{font-size:10px;font-family:var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--text-3);margin:18px 0 7px;font-weight:600;}
.inc-sh:first-child{margin-top:0;}

/* CPP box inside form */
.inc-cpp-box{background:rgba(251,191,36,.06);border:1px solid rgba(251,191,36,.22);border-radius:var(--r-sm);padding:12px 14px;}
.inc-cpp-row{display:flex;align-items:center;gap:10px;margin-bottom:8px;font-size:12.5px;}
.inc-cpp-row:last-child{margin-bottom:0;}
.inc-cpp-lbl{flex:1;color:var(--text-2);}

/* Audit log */
.inc-audit{display:flex;gap:9px;align-items:flex-start;padding:8px 0;border-bottom:1px solid var(--border);font-size:12px;}
.inc-audit:last-child{border-bottom:none;}
.inc-audit-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;margin-top:3px;}
.inc-audit-body{flex:1;line-height:1.5;}
.inc-audit-ts{font-family:var(--mono);font-size:10.5px;color:var(--text-3);flex-shrink:0;margin-top:2px;}

/* ── INCIDENT PHOTOS ──────────────────────────────────────────── */
.inc-photo-drop {
  border: 2px dashed var(--border-str); border-radius: var(--r);
  padding: 16px 12px; text-align: center; cursor: pointer;
  background: rgba(255,255,255,0.02); transition: border-color .08s, background .08s;
  font-size: 12.5px; color: var(--text-3);
}
.inc-photo-drop:hover, .inc-photo-drop.drag {
  border-color: var(--blue-lt); background: rgba(59,130,246,0.05); color: var(--text-2);
}
.inc-photo-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
  gap: 8px; margin-top: 10px;
}
.inc-photo-thumb {
  position: relative; aspect-ratio: 1; border-radius: var(--r-sm);
  overflow: hidden; background: var(--panel); border: 1px solid var(--border);
  cursor: pointer;
}
.inc-photo-thumb img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: opacity .1s;
}
.inc-photo-thumb:hover img { opacity: 0.82; }
.inc-photo-del {
  position: absolute; top: 3px; right: 3px;
  width: 20px; height: 20px; border-radius: 50%;
  background: rgba(0,0,0,0.65); border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity .1s; color: #fff; font-size: 13px; line-height: 1;
}
.inc-photo-thumb:hover .inc-photo-del { opacity: 1; }
/* Lightbox */
.inc-lightbox {
  position: fixed; inset: 0; z-index: 9000;
  background: rgba(0,0,0,0.88); backdrop-filter: blur(8px);
  display: none; align-items: center; justify-content: center;
  flex-direction: column; gap: 12px;
}
.inc-lightbox.open { display: flex; }
.inc-lightbox img {
  max-width: min(92vw, 900px); max-height: 80vh;
  border-radius: var(--r); box-shadow: var(--shadow-lg);
  object-fit: contain;
}
.inc-lightbox-nav {
  display: flex; align-items: center; gap: 16px;
}
.inc-lightbox-nav button {
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.18);
  color: #fff; border-radius: var(--r-sm); padding: 6px 14px;
  cursor: pointer; font-size: 13px; transition: background .12s;
}
.inc-lightbox-nav button:hover { background: rgba(255,255,255,0.2); }
.inc-lightbox-counter { font-size: 12px; color: rgba(255,255,255,0.55); min-width: 60px; text-align: center; }
html.light .inc-photo-drop { background: rgba(0,0,0,0.03); border-color: rgba(0,0,0,0.18); color: #6b7280; }
html.light .inc-photo-drop:hover { border-color: var(--blue); background: rgba(37,99,235,0.04); }

/* Student row incident indicator */
.inc-pill{display:inline-flex;align-items:center;gap:3px;padding:1px 6px;border-radius:4px;font-size:10px;font-weight:600;background:rgba(248,113,113,.15);color:var(--red);border:1px solid rgba(248,113,113,.25);cursor:pointer;white-space:nowrap;transition:opacity .12s;vertical-align:middle;margin-left:4px;}
.inc-pill:hover{opacity:.7;}

/* Loaner link card */
.inc-loaner-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--r-sm);padding:10px 12px;display:flex;align-items:center;gap:10px;font-size:12.5px;}

/* Settings — incident type tags */
.inc-type-tag{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:6px;font-size:12px;background:rgba(167,139,250,.1);color:var(--purple);border:1px solid rgba(167,139,250,.2);margin:3px;}
.inc-type-tag button{background:none;border:none;color:var(--text-3);cursor:pointer;padding:0 2px;line-height:1;font-size:15px;}
.inc-type-tag button:hover{color:var(--red);}

/* Light overrides */
html.light .inc-panel{background:rgba(248,250,255,.97);border-left-color:rgba(0,0,0,.08);}
html.light .inc-panel-head{border-bottom-color:rgba(0,0,0,.1);}
html.light .inc-panel-foot{border-top-color:rgba(0,0,0,.1);}
html.light .inc-cpp-box{background:rgba(251,191,36,.04);border-color:rgba(180,130,0,.2);}
html.light .inc-audit{border-bottom-color:rgba(0,0,0,.07);}
/* Student rows — full-row click to open SQV */
tr.student-row { cursor:pointer; }
tr.student-row td { user-select:none; vertical-align:middle; }
tr.student-row input, tr.student-row select, tr.student-row button,
tr.student-row .sqv-stop, tr.student-row .cpp-unpaid-link,
tr.student-row .inc-pill { cursor:auto; user-select:auto; }
tr.student-row:hover td { background:var(--panel-hov) !important; }

/* ═══ STUDENT QUICK-VIEW MODAL ══════════════════════════════════ */
.sqv-overlay{position:fixed;inset:0;z-index:150;background:rgba(0,0,0,.5);backdrop-filter:blur(6px);display:none;align-items:center;justify-content:center;padding:20px;}
.sqv-overlay.open{display:flex;}
.sqv-modal{width:660px;max-width:96vw;max-height:88vh;background:rgba(14,14,20,0.97);border:1px solid var(--border-str);border-radius:var(--r-lg);box-shadow:0 32px 80px rgba(0,0,0,.6), 0 0 48px rgba(59,130,246,.03);display:flex;flex-direction:column;overflow:hidden;animation:sqvIn .25s cubic-bezier(.22,1,.36,1);}
@keyframes sqvIn{from{transform:scale(.96) translateY(14px);opacity:0}to{transform:scale(1) translateY(0);opacity:1}}
.sqv-head{padding:20px 22px 16px;border-bottom:1px solid var(--border);display:flex;gap:14px;align-items:flex-start;flex-shrink:0;}
.sqv-avatar-lg{width:54px;height:54px;border-radius:50%;background:linear-gradient(135deg, var(--blue), var(--sky));display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;color:#fff;flex-shrink:0;overflow:hidden;}
.sqv-avatar-lg img{width:100%;height:100%;object-fit:cover;object-position:center;border-radius:50%;}
.sqv-name{font-size:19px;font-weight:700;line-height:1.2;letter-spacing:-.02em;}
.sqv-meta{font-size:12.5px;color:var(--text-2);margin-top:3px;}
.sqv-presence{display:flex;gap:4px;align-items:center;margin-left:auto;}
.sqv-body{flex:1;overflow-y:auto;padding:18px 20px;}
.sqv-foot{padding:14px 20px;border-top:1px solid var(--border);display:flex;gap:8px;align-items:center;flex-shrink:0;}
.sqv-sh{font-size:10px;font-family:var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--text-3);margin:14px 0 7px;font-weight:600;}
.sqv-sh:first-child{margin-top:0;}
.sqv-device-row{display:flex;align-items:center;gap:10px;padding:9px 12px;background:var(--panel);border-radius:var(--r-sm);font-size:13px;}
.sqv-device-serial{font-family:var(--mono);font-weight:600;flex:1;}
.sqv-inc-row{display:flex;align-items:center;gap:8px;padding:7px 0;border-bottom:1px solid var(--border);font-size:12.5px;}
.sqv-inc-row:last-child{border-bottom:none;}
.sqv-inc-type{flex:1;color:var(--text-2);font-size:12px;}
.sqv-inc-ts{font-size:11px;color:var(--text-3);font-family:var(--mono);flex-shrink:0;}
.sqv-modal.peer-editing{box-shadow:0 0 0 3px var(--sqv-peer-color,var(--amber)),var(--shadow-lg);}
.sqv-peer-bar{background:rgba(251,191,36,.12);border:1px solid rgba(251,191,36,.3);border-radius:6px;padding:6px 10px;font-size:11.5px;color:var(--amber);display:flex;align-items:center;gap:7px;margin-bottom:12px;}
html.light .sqv-modal{background:rgba(248,250,255,.98);}
html.light .sqv-head{border-bottom-color:rgba(0,0,0,.07);}
html.light .sqv-foot{border-top-color:rgba(0,0,0,.07);}
html.light .sqv-device-row{background:rgba(0,0,0,.03);}

/* ═══ CPP POPOVER ════════════════════════════════════════════════ */
.cpp-pop-wrap{position:relative;display:inline-block;}
.cpp-unpaid-link{cursor:pointer;text-decoration:underline dotted;text-underline-offset:2px;}
.cpp-unpaid-link:hover{opacity:.8;}
/* Fixed-position so table overflow never clips it */
.cpp-popover{position:fixed;z-index:9000;background:var(--glass-light);border:1px solid var(--border-str);border-radius:var(--r);box-shadow:var(--shadow-lg);min-width:290px;max-width:360px;backdrop-filter:var(--vibrancy);display:none;pointer-events:auto;}
.cpp-popover.open{display:block;animation:sqvIn .14s ease;}
.cpp-pop-head{padding:9px 14px 7px;border-bottom:1px solid var(--border);font-size:10.5px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-3);}
.cpp-fee-pr{display:flex;align-items:center;gap:8px;padding:8px 14px;border-bottom:1px solid var(--border);font-size:12.5px;}
.cpp-fee-pr:last-child{border-bottom:none;}
.cpp-fee-code{font-weight:600;flex:1;}
.cpp-fee-amt{font-family:var(--mono);color:var(--text-2);min-width:42px;text-align:right;flex-shrink:0;}
.cs-unpaid{background:rgba(248,113,113,.15);color:var(--red);border:1px solid rgba(248,113,113,.25);padding:1px 7px;border-radius:4px;font-size:10.5px;font-weight:600;}
.cs-paid  {background:rgba(52,211,153,.1);color:var(--green);border:1px solid rgba(52,211,153,.2);padding:1px 7px;border-radius:4px;font-size:10.5px;font-weight:600;}
.cs-waived{background:rgba(167,139,250,.1);color:var(--purple);border:1px solid rgba(167,139,250,.2);padding:1px 7px;border-radius:4px;font-size:10.5px;font-weight:600;}
html.light .cpp-popover{background:rgba(240,244,250,.98);border-color:rgba(0,0,0,.14);}

/* ═══ CPP WALLET ($250 coverage) ════════════════════════════════ */
.cpp-wallet{background:var(--panel);border:1px solid var(--border);border-radius:var(--r-sm);padding:11px 14px;margin-top:6px;}
.cpp-wallet-track{height:6px;border-radius:3px;background:var(--border-str);margin:8px 0 4px;overflow:hidden;}
.cpp-wallet-fill{height:100%;border-radius:3px;background:var(--green);transition:width .35s ease;}
.cpp-wallet-fill.low{background:var(--amber);}
.cpp-wallet-fill.zero{background:var(--red);}
.cpp-wallet-row{display:flex;justify-content:space-between;font-size:11.5px;color:var(--text-2);}
.cpp-wallet-amt{font-family:var(--mono);font-weight:700;font-size:13px;}
.inc-wallet-impact{background:rgba(52,211,153,.07);border:1px solid rgba(52,211,153,.2);border-radius:var(--r-sm);padding:9px 12px;margin-top:8px;font-size:12.5px;}
.inc-wallet-impact.over{background:rgba(248,113,113,.08);border-color:rgba(248,113,113,.25);}
html.light .cpp-wallet{background:rgba(255,255,255,.65);}
html.light .inc-wallet-impact{background:rgba(52,211,153,.04);}

/* Incident detail view is now a center modal, not a side panel */
/* Incident detail modal */
.inc-detail-overlay{position:fixed;inset:0;z-index:160;background:rgba(0,0,0,.5);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:none;align-items:center;justify-content:center;padding:20px;}
.inc-detail-overlay.open{display:flex;}
.inc-detail-modal{width:600px;max-width:96vw;max-height:88vh;background:rgba(14,14,20,0.97);border:1px solid var(--border-str);border-radius:var(--r-lg);box-shadow:0 32px 80px rgba(0,0,0,.6);display:flex;flex-direction:column;overflow:hidden;animation:incDetailIn .25s cubic-bezier(.22,1,.36,1);}
@keyframes incDetailIn{from{transform:scale(.96) translateY(12px);opacity:0}to{transform:scale(1) translateY(0);opacity:1}}
.inc-detail-head{padding:20px 24px 16px;border-bottom:1px solid var(--border);display:flex;gap:10px;align-items:flex-start;flex-shrink:0;}
.inc-detail-title{font-size:16px;font-weight:700;flex:1;letter-spacing:-.02em;}
.inc-detail-body{flex:1;overflow-y:auto;padding:20px 22px;}
.inc-detail-foot{padding:12px 22px;border-top:1px solid var(--border);display:flex;gap:8px;align-items:center;flex-shrink:0;flex-wrap:wrap;}
/* Detail body sections */
.inc-d-section{margin-top:18px;padding-top:16px;border-top:1px solid var(--border);}
.inc-d-section:first-child{margin-top:0;padding-top:0;border-top:none;}
.inc-d-label{font-size:9.5px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-3);margin-bottom:6px;}
.inc-d-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.inc-d-field{background:var(--panel);border-radius:var(--r-sm);padding:10px 12px;}
.inc-d-field-label{font-size:10px;color:var(--text-3);font-weight:500;margin-bottom:3px;}
.inc-d-field-value{font-size:13px;font-weight:500;}
.inc-d-notes{font-size:12.5px;color:var(--text-2);line-height:1.6;background:var(--panel);border-radius:var(--r-sm);padding:11px 14px;white-space:pre-wrap;}
html.light .inc-detail-modal{background:rgba(250,251,255,.98);}
html.light .inc-detail-head{border-bottom-color:rgba(0,0,0,.1);}
html.light .inc-detail-foot{border-top-color:rgba(0,0,0,.1);}
/* ═══ DEVICE TIMELINE SLIDE-OUT ═════════════════════════════════ */
.dt-overlay {
  position: fixed; inset: 0; z-index: 210;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  opacity: 0; pointer-events: none; transition: opacity .2s;
}
.dt-overlay.open { opacity: 1; pointer-events: all; }
.dt-panel {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 211;
  width: 440px; max-width: 92vw;
  background: rgba(12,12,18,0.98);
  border-left: 1px solid var(--border-str);
  box-shadow: -16px 0 56px rgba(0,0,0,0.55);
  display: flex; flex-direction: column;
  transform: translateX(100%); transition: transform .3s var(--ease, cubic-bezier(.16,1,.3,1));
}
.dt-overlay.open .dt-panel { transform: translateX(0); }
.dt-head {
  padding: 18px 20px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 12px;
}
.dt-serial {
  font-family: var(--mono); font-size: 16px; font-weight: 700; flex: 1;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  letter-spacing: -.01em;
}
.dt-meta { font-size: 11px; color: var(--text-3); margin-top: 2px; }
.dt-body { flex: 1; overflow-y: auto; padding: 20px; }
.dt-empty { text-align: center; padding: 40px 0; color: var(--text-3); font-size: 13px; }

/* Timeline entries */
.dt-entry {
  display: flex; gap: 12px; position: relative; padding-bottom: 20px;
}
.dt-entry:last-child { padding-bottom: 0; }
.dt-entry::before {
  content: ''; position: absolute; left: 15px; top: 30px; bottom: 0;
  width: 1px; background: var(--border);
}
.dt-entry:last-child::before { display: none; }
.dt-icon {
  width: 30px; height: 30px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
}
.dt-icon svg { width: 13px; height: 13px; }
.dt-content { flex: 1; min-width: 0; }
.dt-title { font-size: 12.5px; font-weight: 500; }
.dt-detail { font-size: 11px; color: var(--text-2); margin-top: 2px; }
.dt-time { font-size: 10px; color: var(--text-3); font-family: var(--mono); margin-top: 3px; }
.dt-badge { display: inline-block; font-size: 9px; padding: 1px 6px; border-radius: 4px; font-family: var(--mono); vertical-align: middle; margin-left: 4px; }

/* Light mode */
html.light .dt-panel { background: rgba(250,251,255,0.98); border-left-color: rgba(0,0,0,0.08); box-shadow: -16px 0 56px rgba(0,0,0,0.08); }
html.light .dt-overlay { background: rgba(0,0,0,0.2); }

/* Clickable serial links */
.serial-link {
  cursor: pointer; text-decoration: none; color: inherit;
  border-bottom: 1px dashed var(--border);
  transition: color .08s, border-color .08s;
}
.serial-link:hover { color: var(--blue-lt); border-color: var(--blue-lt); }

/* ═══ TECH CHECK-IN MODULE ══════════════════════════════════════ */
.ci-session-card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px 20px;display:flex;align-items:center;gap:14px;cursor:pointer;transition:background .12s;}
.ci-session-card:hover{background:var(--panel-hov);}
.ci-session-card.active-session{border-color:var(--blue);box-shadow:0 0 0 1px var(--blue);}
.ci-session-status{padding:3px 9px;border-radius:20px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;}
.ci-session-status.open{background:rgba(34,197,94,.15);color:var(--green);}
.ci-session-status.closed{background:rgba(107,114,128,.15);color:var(--text-2);}
.ci-progress-bar{height:5px;background:var(--border);border-radius:3px;overflow:hidden;min-width:80px;}
.ci-progress-fill{height:100%;background:var(--green);border-radius:3px;transition:width .3s;}
.ci-row{display:grid;grid-template-columns:34px 190px 80px 145px 145px 165px 165px 130px 95px 80px;align-items:center;gap:0;border-bottom:1px solid var(--border);min-height:48px;}
.ci-row:last-child{border-bottom:none;}
.ci-row:hover{background:var(--panel-hov);}
.ci-row.ci-row-checked{opacity:.72;}
.ci-row.ci-row-issue{border-left:3px solid var(--amber);}
.ci-row.ci-row-focused-peer{box-shadow:inset 0 0 0 2px rgba(251,191,36,.4);background:rgba(251,191,36,.04);}
.ci-cell{padding:5px 7px;font-size:12.5px;}
.ci-cell.ci-cell-name{font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.ci-cell.ci-cell-serial{align-self:center;padding-top:5px;padding-bottom:5px;position:relative;}
.ci-thead{display:grid;grid-template-columns:34px 190px 80px 145px 145px 165px 165px 130px 95px 80px;background:var(--panel);border-bottom:2px solid var(--border);position:sticky;top:0;z-index:10;}
.ci-th{padding:8px 8px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-2);}
.ci-select{-webkit-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%239ba3b4' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 8px center;padding-right:22px;background-color:var(--panel-hov);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:12px;padding-left:6px;padding-top:4px;padding-bottom:4px;width:100%;outline:none;cursor:pointer;}
.ci-select:focus{border-color:var(--blue);box-shadow:0 0 0 2px rgba(59,130,246,.2);}
.ci-select.has-value{border-color:var(--green);border-width:2px;}
.ci-select.is-issue{border-color:var(--amber);border-width:2px;}
.ci-serial-input{background:var(--panel-hov);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:11.5px;font-family:var(--mono);padding:4px 7px;width:100%;outline:none;}
.ci-serial-input:focus{border-color:var(--blue);box-shadow:0 0 0 2px rgba(59,130,246,.2);}
.ci-serial-input.match{border-color:var(--green);border-width:2px;}
.ci-serial-input.mismatch{border-color:var(--red);border-width:2px;}
.ci-serial-input.loaner{border-color:var(--amber);border-width:2px;}
.ci-serial-status{font-size:10px;margin-top:3px;line-height:1.3;white-space:normal;word-break:break-word;}
.ci-serial-status.match{color:var(--green);}
.ci-serial-status.mismatch{color:var(--red);}
.ci-serial-status.loaner{color:var(--amber);}
.ci-serial-status.unassigned{color:var(--text-3);}
.ci-check-icon{width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin:0 auto;}
.ci-check-icon.done{background:rgba(34,197,94,.2);color:var(--green);}
.ci-check-icon.pending{background:var(--border);color:var(--text-3);}
.ci-check-icon.issue{background:rgba(251,191,36,.2);color:var(--amber);}
.ci-check-icon.bad{background:rgba(248,113,113,.2);color:var(--red);}
.ci-warn-tag{font-size:10px;padding:1px 6px;border-radius:10px;background:rgba(251,191,36,.15);color:var(--amber);white-space:nowrap;}
.ci-exempt-tag{font-size:10px;padding:1px 6px;border-radius:10px;background:rgba(56,189,248,.13);color:#38bdf8;white-space:nowrap;cursor:pointer;border:1px solid rgba(56,189,248,.2);}
html.light .ci-exempt-tag{background:rgba(14,165,233,.1);color:#0284c7;border-color:rgba(14,165,233,.25);}
.ci-issues-panel{background:var(--panel);border:1px solid var(--border);border-radius:10px;overflow:hidden;}
.ci-issues-group{border-bottom:1px solid var(--border);}
.ci-issues-group:last-child{border-bottom:none;}
.ci-issues-group-header{padding:10px 16px;font-size:12.5px;font-weight:600;display:flex;align-items:center;gap:8px;cursor:pointer;}
.ci-issues-group-header:hover{background:var(--panel-hov);}
.ci-issues-group-body{padding:0 16px 12px;}
.ci-peer-dot{width:20px;height:20px;border-radius:50%;font-size:9px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;color:#fff;}
.ci-summary-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;}
.ci-summary-stat{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:14px 16px;text-align:center;}
.ci-summary-stat .num{font-size:26px;font-weight:700;line-height:1;}
.ci-summary-stat .lbl{font-size:11px;color:var(--text-2);margin-top:4px;}
html.light .ci-select{background-color:#f9fafb;color:#111827;}
html.light .ci-serial-input{background:#f9fafb;color:#111827;}
html.light .ci-session-card{background:#fff;}
html.light .ci-session-card:hover{background:#f9fafb;}
html.light .ci-thead{background:#f3f4f6;}
html.light .ci-row:hover{background:#f9fafb;}
html.light .ci-issues-panel{background:#fff;}
html.light .ci-summary-stat{background:#fff;}

/* ═══════════════════════════════════════════════════════════════
   MOBILE RESPONSIVE
   ═══════════════════════════════════════════════════════════════ */

/* Hamburger button — hidden on desktop */
.mobile-hamburger {
  display: none; background: none; border: none; color: var(--text);
  padding: 6px; cursor: pointer; flex-shrink: 0;
}
.mobile-hamburger svg { width: 20px; height: 20px; }

/* Sidebar overlay backdrop — hidden on desktop */
.sidebar-backdrop {
  display: none; position: fixed; inset: 0; z-index: 99;
  background: rgba(0,0,0,0.5); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
}

/* ═══ STUDENT ROW ACTIONS MENU ══════════════════════════════════ */
.stu-actions-menu{position:fixed;z-index:200;background:rgba(14,14,20,.98);border:1px solid var(--border-str);border-radius:9px;box-shadow:0 12px 32px rgba(0,0,0,.5);min-width:175px;padding:4px;animation:colFilterIn .12s ease-out;}
.stu-action-item{display:flex;align-items:center;gap:8px;padding:7px 10px;font-size:12px;cursor:pointer;border-radius:5px;white-space:nowrap;transition:background .08s;}
.stu-action-item:hover{background:var(--panel-hov);}
html.light .stu-actions-menu{background:rgba(255,255,255,.98);box-shadow:0 6px 20px rgba(0,0,0,.12);}

/* ═══ COLUMN FILTER POPOVER ═════════════════════════════════════ */
.col-filter-btn{display:inline-flex;align-items:center;gap:6px;cursor:pointer;user-select:none;width:100%;}
.col-filter-icon{flex-shrink:0;width:14px;height:14px;display:inline-flex;align-items:center;justify-content:center;opacity:.5;transition:opacity .1s;}
.col-filter-btn:hover .col-filter-icon{opacity:1;}
.col-filter-icon.active{opacity:1;color:var(--blue-lt);}
.col-filter-popup{position:fixed;z-index:300;background:rgba(14,14,20,.98);border:1px solid var(--border-str);border-radius:11px;box-shadow:0 16px 48px rgba(0,0,0,.6);width:244px;display:flex;flex-direction:column;max-height:360px;animation:colFilterIn .14s ease-out;}
@keyframes colFilterIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}
.col-filter-popup .cf-head{padding:10px 12px 8px;border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:6px;}
.col-filter-popup .cf-sort-btns{display:flex;gap:4px;}
.col-filter-popup .cf-sort-btn{flex:1;padding:6px 8px;font-size:11px;background:var(--panel);border:1px solid var(--border);border-radius:6px;color:var(--text);cursor:pointer;text-align:center;transition:all .1s;}
.col-filter-popup .cf-sort-btn:hover{background:var(--panel-hov);border-color:var(--blue-lt);}
.col-filter-popup .cf-sort-btn.active{background:rgba(59,130,246,.15);border-color:var(--blue-lt);color:var(--blue-lt);}
.col-filter-popup .cf-search{width:100%;padding:5px 8px;font-size:11px;background:var(--panel);border:1px solid var(--border);border-radius:5px;color:var(--text);outline:none;}
.col-filter-popup .cf-search:focus{border-color:var(--blue-lt);}
.col-filter-popup .cf-actions{display:flex;gap:8px;font-size:10px;padding:0 2px;}
.col-filter-popup .cf-actions a{color:var(--blue-lt);cursor:pointer;text-decoration:none;}
.col-filter-popup .cf-actions a:hover{text-decoration:underline;}
.col-filter-popup .cf-actions span{color:var(--text-3);margin-left:auto;}
.col-filter-popup .cf-list{flex:1;overflow-y:auto;padding:6px 12px;min-height:60px;}
.col-filter-popup .cf-item{display:flex;align-items:center;gap:7px;padding:3px 0;font-size:11.5px;cursor:pointer;}
.col-filter-popup .cf-item:hover{color:var(--blue-lt);}
.col-filter-popup .cf-check{width:14px;height:14px;border:1.5px solid var(--border);border-radius:3px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .08s;}
.col-filter-popup .cf-check.on{background:var(--blue);border-color:var(--blue);}
.col-filter-popup .cf-check.on::after{content:'';width:5px;height:8px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg) translate(-1px,-1px);}
.col-filter-popup .cf-foot{padding:8px 12px;border-top:1px solid var(--border);display:flex;gap:6px;justify-content:flex-end;}
html.light .col-filter-popup{background:rgba(255,255,255,.98);box-shadow:0 8px 30px rgba(0,0,0,.15);}

@media (max-width: 768px) {
  /* ═══ PERFORMANCE — disable GPU-heavy effects on mobile ════ */
  *, *::before, *::after {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
  /* Solid backgrounds to replace glass/blur effects */
  .sidebar { background: #0c0c12 !important; }
  .sidebar-backdrop.mobile-open { background: rgba(0,0,0,0.65); }
  .modal-overlay { background: rgba(0,0,0,0.7) !important; }
  .sqv-overlay { background: rgba(0,0,0,0.7) !important; }
  .inc-detail-overlay { background: rgba(0,0,0,0.7) !important; }
  .dt-overlay { background: rgba(0,0,0,0.65) !important; }
  .modal { background: #111116 !important; }
  .sqv-modal { background: #111116 !important; }
  .inc-detail-modal { background: #111116 !important; }
  .dt-panel { background: #111116 !important; }
  .col-filter-popup { background: #141418 !important; }
  .stu-actions-menu { background: #141418 !important; }
  .cpp-popover { background: #111116 !important; }
  #dash-search-results { background: #111116 !important; }
  #login-screen { background: #060810 !important; }
  .login-card { background: rgba(12,14,22,0.98) !important; }
  html.light .sidebar { background: #f5f6fa !important; }
  html.light .modal, html.light .sqv-modal, html.light .inc-detail-modal, html.light .dt-panel { background: #fff !important; }
  html.light .col-filter-popup, html.light .stu-actions-menu { background: #fff !important; }
  html.light .login-card { background: #fff !important; }
  html.light #dash-search-results { background: #fff !important; }
  html.light .cpp-popover { background: #fff !important; }

  /* ═══ MOBILE LAYOUT RESET ═══════════════════════════════════ */
  
  /* Login */
  #login-screen { overflow: hidden; }
  #login-screen::before, #login-screen::after { display: none !important; }
  .login-orb, .circuit-canvas { display: none !important; }
  .login-card { width: 90vw !important; max-width: 380px; padding: 32px 24px 28px; border-radius: 16px; }
  .login-logo { width: 64px; height: 64px; margin-bottom: 14px; }
  .login-school { font-size: 17px; }
  .login-btn-google { padding: 12px 20px; font-size: 13px; border-radius: 12px; }

  /* Shell — the root flex container */
  .shell {
    display: flex; flex-direction: column;
    height: 100vh; height: 100dvh;
    overflow: hidden;
  }

  /* Sidebar — off-canvas drawer */
  .sidebar {
    position: fixed !important; left: 0; top: 0; bottom: 0;
    width: 260px !important; z-index: 100;
    transform: translateX(-100%);
    transition: transform .2s cubic-bezier(.16,1,.3,1);
  }
  .sidebar.mobile-open { transform: translateX(0); }
  .sidebar-backdrop.mobile-open { display: block; }
  .mobile-hamburger { display: flex; }
  .sb-accent-line { display: none; }

  /* Main — fills remaining space, scrolls content */
  .main {
    width: 100% !important; flex: 1 1 0%;
    min-height: 0; /* critical: allows flex child to shrink below content height */
    overflow-y: auto; overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    display: flex; flex-direction: column;
  }

  /* Pages — must not stretch to fill .main */
  .page { display: none; }
  .page.active { display: block; animation: none; flex: none; }
  .page-body { padding: 14px 12px; }

  /* ═══ TOPBAR ════════════════════════════════════════════════ */
  .topbar { padding: 0 12px; gap: 8px; height: 48px; flex-shrink: 0; }
  .topbar-title { font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .topbar-sub { display: none; }
  .topbar-actions { gap: 4px; flex-shrink: 0; }
  .topbar-actions .btn { font-size: 11px; padding: 5px 8px; }
  .topbar-actions .btn svg { display: none; }

  /* ═══ DASHBOARD ═════════════════════════════════════════════ */
  .dash-cols { grid-template-columns: 1fr; gap: 12px; }
  #dash-welcome { flex-direction: column !important; gap: 8px !important; align-items: stretch !important; justify-content: flex-start !important; }
  #dash-welcome > div { max-width: 100% !important; min-width: 0 !important; flex: none !important; }
  #dash-greeting { font-size: 16px; }
  #dash-search-wrap { min-width: 0 !important; max-width: 100% !important; width: 100% !important; flex: none !important; }
  .stats-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 8px; }
  .stat-val { font-size: 20px; }
  .stat-label { font-size: 10px; }
  #dash-search-results { max-height: 250px; }

  /* ═══ TABLES — horizontal scroll ═══════════════════════════ */
  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .data-table { min-width: 520px; }
  .data-table th, .data-table td { padding: 8px 10px; font-size: 11.5px; }
  .student-name { font-size: 12px; }
  .serial-field { width: 100px; font-size: 10px; padding: 3px 5px; }

  /* ═══ FILTER ROW ═══════════════════════════════════════════ */
  .filter-row { gap: 6px; flex-wrap: wrap; }
  .filter-row .search-wrap { min-width: 100%; order: -1; }
  .filter-row .sel-input { font-size: 11px; padding: 6px 8px; min-width: 0; flex: 1; }

  /* ═══ MODALS ════════════════════════════════════════════════ */
  .modal-overlay.open .modal { max-width: 96vw; max-height: 90vh; border-radius: 12px; }
  .modal-body { padding: 14px; max-height: 60vh; overflow-y: auto; }
  .modal-head { padding: 14px 16px; }
  .modal-foot { padding: 10px 16px; }
  .form-row { flex-direction: column; gap: 0; }

  /* ═══ GRADES ════════════════════════════════════════════════ */
  .grades-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .grade-year { font-size: 17px; }
  .grade-card { padding: 12px 14px; }

  /* ═══ CLASSROOMS ════════════════════════════════════════════ */
  .classroom-tab-bar { overflow-x: auto; -webkit-overflow-scrolling: touch; flex-wrap: nowrap; }
  .classroom-tab { padding: 8px 12px; font-size: 11.5px; white-space: nowrap; flex-shrink: 0; }

  /* ═══ LOANER CARTS ═════════════════════════════════════════ */
  .loaner-layout { grid-template-columns: 1fr !important; grid-template-rows: auto 1fr; }
  .loaner-cart-sidebar { border-right: none; border-bottom: 1px solid var(--border); max-height: 160px; overflow-y: auto; }
  .loaner-level-tab { padding: 8px 12px; font-size: 11.5px; }
  .loaner-topbar { padding: 8px 12px; flex-wrap: wrap; height: auto; min-height: 48px; }
  .loaner-body { padding: 12px; }

  /* ═══ CHECK-IN — force horizontal scroll ═══════════════════ */
  .ci-thead, .ci-row { min-width: 900px; }
  .ci-session-card { flex-wrap: wrap; padding: 12px; }
  .ci-cell { font-size: 11px; }
  #page-checkin .page-body { overflow-x: auto; -webkit-overflow-scrolling: touch; }

  /* ═══ INCIDENT REPORTS ═════════════════════════════════════ */
  #inc-rpt-charts { grid-template-columns: 1fr !important; }

  /* ═══ SETTINGS ═════════════════════════════════════════════ */
  .perm-grid { grid-template-columns: 1fr; }

  /* ═══ STAFF MEMBERS (Users) ════════════════════════════════ */
  #page-users .page-body > div { grid-template-columns: 1fr !important; }
  .user-list-item { 
    display: flex; flex-wrap: wrap; gap: 6px 8px; padding: 10px; align-items: center;
  }
  .user-list-avatar { 
    width: 30px !important; height: 30px !important; min-width: 30px !important;
    font-size: 10px !important; flex-shrink: 0 !important;
  }
  /* Name/email block takes full remaining width on first row */
  .user-list-item > div[style*="flex:1"] {
    flex: 0 0 calc(100% - 46px) !important; min-width: 0 !important; overflow: hidden;
  }
  .user-list-item > div[style*="flex:1"] > div { 
    white-space: nowrap !important; overflow: hidden !important; text-overflow: ellipsis !important;
  }
  /* Chips and buttons wrap to second row */
  .user-list-item .chip { font-size: 9px !important; padding: 2px 6px !important; }
  .user-list-item .btn-icon { padding: 3px !important; }

  /* ═══ SETTINGS ═════════════════════════════════════════════ */
  .settings-section { padding: 14px !important; }
  .settings-title { font-size: 13px; }
  .perm-grid { grid-template-columns: 1fr !important; }
  #page-settings .page-body > div { grid-template-columns: 1fr !important; }

  /* ═══ FORMS — stack everything vertical ════════════════════ */
  .form-group { margin-bottom: 10px; }
  .form-input, .form-select, .sel-input { font-size: 13px !important; padding: 8px 10px; }
  .form-label { font-size: 11px; }
  .form-row { flex-direction: column; gap: 8px; }
  /* Custom fields grid in modals */
  .modal-body [style*="grid-template-columns: 1fr 1fr"] { grid-template-columns: 1fr !important; }

  /* ═══ QUICK ACTIONS — single column on small screens ══════ */
  #dash-quick-actions [style*="grid-template-columns"] { grid-template-columns: 1fr !important; }

  /* ═══ INCIDENT REPORT — responsive grids ══════════════════ */
  #inc-rpt-charts { grid-template-columns: 1fr !important; }
  #inc-rpt-stats { grid-template-columns: repeat(2, 1fr) !important; }

  /* ═══ CPP REPORT — responsive ═════════════════════════════ */
  #page-cpp-report .card [style*="flex-direction:column"] { gap: 8px; }

  /* ═══ EDIT STUDENT MODAL ═════════════════════════════════ */
  .modal [style*="grid-template-columns"] { grid-template-columns: 1fr !important; }

  /* ═══ CARDS & SECTIONS ═══════════════════════════════════ */
  .card { padding: 12px !important; }
  .section-header { margin-bottom: 8px; }

  /* ═══ SIDEBAR FOOTER — compact on mobile drawer ══════════ */
  .sb-foot { padding: 8px 12px; }
  .sb-user-info { font-size: 12px; }
  .collab-bar { padding: 6px 10px; }
  .collab-avatar { width: 22px; height: 22px; font-size: 8px; }

  /* ═══ DEVICE TIMELINE SLIDE-OUT ════════════════════════════ */
  .dt-panel { width: 100%; max-width: 100%; }
  .dt-head { padding: 14px 16px; }
  .dt-body { padding: 14px; }

  /* ═══ STUDENT QUICK-VIEW — slide up from bottom ═══════════ */
  .sqv-overlay { padding: 0; align-items: flex-end; }
  .sqv-modal { width: 100%; max-width: 100%; max-height: 92vh; border-radius: 14px 14px 0 0; }
  .sqv-head { padding: 14px 16px 12px; gap: 10px; }
  .sqv-body { padding: 14px 16px; }
  .sqv-name { font-size: 16px; }
  .sqv-foot { flex-wrap: wrap; gap: 6px; }

  /* ═══ INCIDENT DETAIL — slide up from bottom ══════════════ */
  .inc-detail-overlay { padding: 0; align-items: flex-end; }
  .inc-detail-modal { width: 100%; max-width: 100%; max-height: 92vh; border-radius: 14px 14px 0 0; }
  .inc-d-grid { grid-template-columns: 1fr; }

  /* ═══ COLUMN FILTER POPUP ══════════════════════════════════ */
  .col-filter-popup { width: 220px; max-height: 320px; }

  /* ═══ ACTIONS MENU ═════════════════════════════════════════ */
  .stu-actions-menu { min-width: 150px; }

  /* ═══ MISC ═════════════════════════════════════════════════ */
  .section-header { flex-wrap: wrap; gap: 4px; }
  .section-title { font-size: 13px; }
  .tab-bar { overflow-x: auto; -webkit-overflow-scrolling: touch; width: 100%; }
  .tab { white-space: nowrap; font-size: 11px; padding: 5px 10px; flex-shrink: 0; }
  .card { border-radius: 8px; }
  .notes-bubble { max-width: 120px; }
  .empty { padding: 30px 16px; }
  .dash-row { gap: 8px; }
  .chip { font-size: 9px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 6px; }
  .stat-card { padding: 10px 12px; }
  .stat-val { font-size: 18px; }
  .stat-label { font-size: 9px; }
  .grades-grid { grid-template-columns: 1fr; }
  .topbar-actions .btn span { display: none; }
  .topbar-actions .btn { padding: 5px 6px; }
  .btn-sm { padding: 4px 7px; font-size: 10.5px; }
  .login-card { padding: 28px 20px 24px; }
  .login-school { font-size: 16px; }
  .login-subtitle { font-size: 11px; }
  #dash-greeting { font-size: 15px; }
  .data-table { min-width: 480px; }
  .sqv-foot .btn { font-size: 10px; padding: 5px 8px; }
  /* Extra small — stack everything */
  .user-list-item { padding: 8px; gap: 6px; }
  .user-list-item .chip { font-size: 9px; padding: 1px 5px; }
  .user-list-avatar { width: 24px; height: 24px; font-size: 8px; }
  #dash-quick-actions [style*="grid-template-columns"] { grid-template-columns: 1fr !important; }
  .section-title { font-size: 12px; }
  .page-body { padding: 10px 8px !important; }
  .topbar { padding: 0 8px; height: 44px; }
  .topbar-title { font-size: 13px; }
  .card { padding: 10px !important; }
  .modal-overlay.open .modal { max-width: 100%; border-radius: 10px; }
  .sqv-modal { border-radius: 12px 12px 0 0 !important; }
  .filter-row { gap: 4px; }
  .inc-rpt-stats { grid-template-columns: 1fr 1fr !important; }
}



@keyframes splashDot { 0%,80%,100%{opacity:.2;transform:scale(.8)} 40%{opacity:1;transform:scale(1)} }
html.light #auth-splash { background: #f0f2f8; }

/* ══════════════════════════════════════════════════════════════
   PREMIUM ENHANCEMENTS v2.0
   ══════════════════════════════════════════════════════════════ */

/* Refined focus-visible for keyboard nav */
:focus-visible {
  outline: 2px solid var(--blue-lt);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Smooth selection color */
::selection { background: rgba(59,130,246,0.25); color: inherit; }
html.light ::selection { background: rgba(37,99,235,0.2); }

/* Refined stat card subtle shimmer on hover */
.stat-card::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,0.02) 50%, transparent 60%);
  opacity: 0; transition: opacity .3s;
  border-radius: inherit; pointer-events: none;
}
.stat-card:hover::after { opacity: 1; }

/* Premium nav-item active glow pulse (subtle) */
@keyframes navGlow {
  0%, 100% { box-shadow: inset 0 0 0 1px rgba(59,130,246,0.16), 0 0 16px rgba(59,130,246,0.05); }
  50% { box-shadow: inset 0 0 0 1px rgba(59,130,246,0.2), 0 0 20px rgba(59,130,246,0.08); }
}

/* Grade card subtle gradient overlay */
.grade-card::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 60%, rgba(59,130,246,0.03) 100%);
  border-radius: inherit; pointer-events: none;
  opacity: 0; transition: opacity .2s;
}
.grade-card { position: relative; overflow: hidden; }
.grade-card:hover::after { opacity: 1; }

/* Refined user-pill with subtle gradient border on hover */
.user-pill {
  transition: all .15s var(--ease, cubic-bezier(.16,1,.3,1));
}

/* Smoother dash-row hover */
.dash-row {
  transition: all .15s var(--ease, cubic-bezier(.16,1,.3,1));
  border-radius: 6px;
  padding-left: 4px; padding-right: 4px;
}
.dash-row:hover { background: var(--panel); }

/* WF card refined left border gradient */
.wf-card { border-left: 3px solid transparent; border-image: linear-gradient(180deg, var(--blue-lt), var(--sky)) 1; }
html.light .wf-card { border-image: linear-gradient(180deg, #2563eb, #0284c7) 1; }

/* Refined import zone */
.import-zone {
  transition: all .2s var(--ease, cubic-bezier(.16,1,.3,1));
}

/* Classroom card refined */
.classroom-card {
  transition: all .2s var(--ease, cubic-bezier(.16,1,.3,1));
}

/* Sidebar brand version badge */
.sb-name small {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 9px; color: var(--text-3);
  font-weight: 500; font-family: var(--mono);
  letter-spacing: .07em; margin-top: 2px; text-transform: uppercase;
  background: rgba(59,130,246,0.08); padding: 1px 6px; border-radius: 4px;
  border: 1px solid rgba(59,130,246,0.1);
}

/* Login footer refinement */
.login-footer-copy {
  position: relative; z-index: 1;
  font-size: 10.5px; color: rgba(136,145,165,0.2); text-align: center; user-select: none;
  animation: cardEntrance .7s cubic-bezier(.16,1,.3,1) .55s forwards;
  opacity: 0; letter-spacing: .02em;
}

/* Light mode premium refinements */
html.light .stat-card::after {
  background: linear-gradient(135deg, transparent 40%, rgba(37,99,235,0.015) 50%, transparent 60%);
}
html.light .grade-card::after {
  background: linear-gradient(135deg, transparent 60%, rgba(37,99,235,0.02) 100%);
}

/* Splash screen refined */
#auth-splash {
  background: #0e0e12;
}
#auth-splash span {
  animation: splashDot .9s ease-in-out infinite;
}
html.light #auth-splash {
  background: #f0f2f8;
}
html.light #auth-splash span {
  background: #2563eb !important;
}