/* ═══════════════════════════════════════════════════════════════════════════
   School SaaS — Design System  (main.css)
   ═══════════════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ─── CSS Variables ─────────────────────────────────────────────────────────── */
:root {
  /* Warm editorial palette — matches the public landing brand. */
  --bg:          #faf7f2;
  --bg-2:        #fffdfa;
  --bg-3:        #f4eee4;
  --surface:     #f4eee4;
  --surface-2:   #e9e0d2;
  --border:      rgba(33,27,22,0.10);
  --border-2:    rgba(33,27,22,0.16);

  --primary:     #b45309;
  --primary-h:   #9a3412;
  --primary-d:   #7c2d12;
  --secondary:   #1f6f5c;
  --secondary-h: #155e4c;
  --accent:      #9a3412;
  --danger:      #c0392b;
  --warning:     #a16207;
  --info:        #1f6f5c;
  --primary-rgb: 180, 83, 9;
  --secondary-rgb: 31, 111, 92;
  --danger-rgb: 192, 57, 43;
  --success:     #1f6f5c;
  --success-rgb: 31, 111, 92;
  --header-bg-rgb: 255, 253, 250;

  --serif:       'Fraunces', Georgia, 'Times New Roman', serif;
  --text:        #211b16;
  --text-2:      #5b524a;
  --text-3:      #938778;

  --radius:      8px;
  --radius-lg:   14px;
  --radius-xl:   20px;
  --shadow:      0 8px 24px rgba(33,27,22,0.10);
  --shadow-sm:   0 2px 8px rgba(33,27,22,0.07);

  --sidebar-w:   210px;
  --header-h:    60px;
  --transition:  .2s ease;

  /* Safe Area Notch & Hardware Status Bar variables */
  --safe-top:    env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left:   env(safe-area-inset-left, 0px);
  --safe-right:  env(safe-area-inset-right, 0px);
}

/* ─── Dark Theme ────────────────────────────────────────────────────────────── */
[data-theme="dark"] {
  /* Warm dark — candle-lit paper, not cold slate. */
  --bg:          #1a1410;
  --bg-2:        #221b15;
  --bg-3:        #2a2119;
  --surface:     #2a2119;
  --surface-2:   #3a2f24;
  --border:      rgba(245,235,222,.10);
  --border-2:    rgba(245,235,222,.16);

  --primary:     #e2820b;
  --primary-h:   #f59e0b;
  --primary-d:   #b45309;
  --secondary:   #34d399;
  --secondary-h: #6ee7b7;
  --accent:      #fb923c;
  --danger:      #f87171;
  --warning:     #fbbf24;
  --info:        #34d399;
  --primary-rgb: 226, 130, 11;
  --secondary-rgb: 52, 211, 153;
  --danger-rgb: 248, 113, 113;
  --success:     #34d399;
  --success-rgb: 52, 211, 153;
  --header-bg-rgb: 34, 27, 21;

  --text:        #f3ece1;
  --text-2:      #c4b5a3;
  --text-3:      #9a8c7b;

  --shadow:      0 4px 24px rgba(0,0,0,.45);
  --shadow-sm:   0 2px 8px rgba(0,0,0,.35);
}
[data-theme="dark"] body::before, [data-theme="dark"] body::after { opacity: 0.15; }
[data-theme="light"] body::before, [data-theme="light"] body::after { opacity: 0.07; }


/* ─── Reset & Base ───────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E"),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}
/* Ambient Glowing Background */
body::before, body::after {
  content: '';
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  z-index: -1;
  pointer-events: none;
  opacity: 0.07;
  animation: float 20s infinite alternate ease-in-out;
}
body::before {
  top: -200px;
  left: -200px;
  background: var(--primary);
}
body::after {
  bottom: -200px;
  right: -200px;
  background: var(--secondary);
  animation-delay: -10s;
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(100px, 50px) scale(1.2); }
}

/* Global Entrance Animation */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.page-content, .card, .table-container, .stats-grid {
  animation: fadeSlideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.card:nth-child(2) { animation-delay: 0.1s; }
.card:nth-child(3) { animation-delay: 0.2s; }


a { color: var(--secondary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--secondary-h); }
img { max-width: 100%; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }

/* ─── Scrollbar ──────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-2); }

/* ─── Typography ─────────────────────────────────────────────────────────────── */
h1, h2, h3 { font-family: var(--serif); color: var(--text); }
h1 { font-size: 2rem;   font-weight: 600; letter-spacing: -.02em; }
h2 { font-size: 1.5rem; font-weight: 600; letter-spacing: -.015em; }
h3 { font-size: 1.2rem; font-weight: 600; }
h4 { font-size: 1rem;   font-weight: 600; }
p  { color: var(--text-2); }
small { font-size: .8rem; color: var(--text-3); }

/* ─── Layout ─────────────────────────────────────────────────────────────────── */
.app-layout { display: flex; min-height: 100vh; }

/* ─── Sidebar ────────────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  z-index: 100;
  transition: transform var(--transition);
  box-shadow: 4px 0 24px rgba(0,0,0,0.15);
  padding-top: var(--safe-top);
  padding-left: var(--safe-left);
}

.sidebar-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 12px;
}
.sidebar-logo .logo-icon {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 12px rgba(46,160,67,0.35);
  flex-shrink: 0;
}
.sidebar-logo span { font-weight: 700; font-size: .95rem; color: var(--text); }
.sidebar-logo small { color: var(--text-3); font-size: .7rem; display: block; margin-top: 1px; }

.sidebar-nav { flex: 1; padding: 12px 0; overflow-y: auto; }
.nav-section-label {
  font-size: .68rem; font-weight: 600; letter-spacing: .08em;
  color: var(--text-3); text-transform: uppercase;
  padding: 12px 20px 4px;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 14px;
  border-radius: 8px;
  margin: 2px 10px;
  color: var(--text-2);
  font-size: .875rem; font-weight: 500;
  transition: all 0.18s ease;
  cursor: pointer;
  position: relative;
}
.nav-item:hover { background: var(--surface); color: var(--text); transform: translateX(2px); }
.nav-item.active {
  background: linear-gradient(135deg, #b45309 0%, #9a3412 100%);
  color: #ffffff !important;
  box-shadow: 0 4px 12px rgba(180, 83, 9, 0.35);
  font-weight: 600;
}
.nav-item.active .nav-icon { color: #ffffff !important; }
.nav-item .nav-icon { font-size: 16px; width: 20px; text-align: center; flex-shrink: 0; }
.nav-item .nav-badge {
  margin-left: auto;
  background: var(--success);
  color: #fff;
  font-size: .65rem;
  min-width: 18px; height: 18px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  font-weight: 700;
  box-shadow: 0 0 8px rgba(35, 134, 54, 0.4);
}

.sidebar-footer {
  padding: 16px;
  padding-bottom: calc(16px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--border);
}
.user-chip {
  display: flex; align-items: center; gap: 10px;
  padding: 10px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.user-chip:hover { border-color: var(--border-2); background: var(--surface-2); }
.user-chip .avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .85rem; color: #fff;
  flex-shrink: 0;
}
.user-chip .user-info { overflow: hidden; }
.user-chip .user-name { font-size: .825rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-chip .user-role { font-size: .7rem; color: var(--text-3); }
.logout-btn {
  margin-left: auto;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 18px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  transition: all var(--transition);
  cursor: pointer;
  flex-shrink: 0;
}
.logout-btn:hover {
  color: var(--danger);
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.2);
  transform: translateY(-1px);
}
.logout-btn:active {
  transform: translateY(0);
}

/* ─── Main content ───────────────────────────────────────────────────────────── */
.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-height: 100vh;
  min-width: 0;          /* prevent flex overflow */
  overflow-x: hidden;    /* main clips content, table-container provides h-scroll */
}

/* ─── Header ─────────────────────────────────────────────────────────────────── */
.header {
  height: calc(var(--header-h) + var(--safe-top));
  background: rgba(var(--header-bg-rgb, 22, 27, 34), 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: var(--safe-top) 24px 0;
  position: sticky; top: 0; z-index: 90;
  gap: 12px;
}
.header h2 { font-size: 1.1rem; font-weight: 600; flex: 1; }
.header-actions { display: flex; align-items: center; gap: 8px; }

/* ─── Page content ───────────────────────────────────────────────────────────── */
.page-content { padding: 24px; max-width: 1400px; width: 100%; }

/* ─── Cards ──────────────────────────────────────────────────────────────────── */
.card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 4px 8px rgba(0,0,0,0.08);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-2), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.card:hover { 
  border-color: var(--border-2);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15), 0 8px 32px rgba(0,0,0,0.1);
  transform: translateY(-1px);
}
.card:hover::before { opacity: 1; }
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}
.card-title { font-size: 1rem; font-weight: 700; color: var(--text); letter-spacing: -0.01em; }
.card-subtitle { font-size: .8rem; color: var(--text-3); margin-top: 3px; }

/* ─── Stat Cards ─────────────────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease;
}
.stat-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  opacity: 0;
  transition: opacity 0.25s ease;
}
.stat-card.green::after  { background: linear-gradient(90deg, #1f6f5c, #155e4c); }
.stat-card.blue::after   { background: linear-gradient(90deg, #2563eb, #1d4fd0); }
.stat-card.purple::after { background: linear-gradient(90deg, var(--accent), #c2410c); }
.stat-card.orange::after { background: linear-gradient(90deg, var(--warning), #f59e0b); }
.stat-card::before {
  content: '';
  position: absolute;
  top: -20px; right: -20px;
  width: 100px; height: 100px;
  border-radius: 50%;
  opacity: .06;
}
.stat-card.green::before  { background: #1f6f5c; }
.stat-card.blue::before   { background: #2563eb; }
.stat-card.purple::before { background: var(--accent); }
.stat-card.orange::before { background: var(--warning); }
.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.stat-card:hover::after { opacity: 1; }
.stat-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  margin-bottom: 14px;
}
.stat-card.green  .stat-icon { background: rgba(31,111,92,.14);  color: #1f6f5c; box-shadow: 0 4px 12px rgba(31,111,92,0.2); }
.stat-card.blue   .stat-icon { background: rgba(37,99,235,.13); color: #1d4fd0; box-shadow: 0 4px 12px rgba(37,99,235,0.18); }
.stat-card.purple .stat-icon { background: rgba(154,52,18,.15); color: #c2410c; box-shadow: 0 4px 12px rgba(154,52,18,0.2); }
.stat-card.orange .stat-icon { background: rgba(227,179,65,.15); color: var(--warning); box-shadow: 0 4px 12px rgba(227,179,65,0.2); }
.stat-value { font-size: 2rem; font-weight: 800; letter-spacing: -.03em; line-height: 1.1; }
.stat-label { font-size: .78rem; color: var(--text-3); margin-top: 4px; font-weight: 500; letter-spacing: 0.01em; }
.stat-change {
  font-size: .75rem; font-weight: 600;
  margin-top: 10px;
  display: flex; align-items: center; gap: 4px;
  padding: 3px 8px;
  border-radius: 20px;
  width: fit-content;
}
.stat-change.up   { color: var(--primary-h); background: rgba(46,160,67,0.1); }
.stat-change.down { color: var(--danger); background: rgba(248,81,73,0.1); }

/* ─── Buttons ────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: .875rem; font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }

.btn-primary   { 
  background: linear-gradient(135deg, #d97706 0%, #b45309 50%, #9a3412 100%); 
  color: #fff; 
  box-shadow: 0 4px 15px rgba(180, 83, 9, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  content: '';
  position: absolute;
  top: 0; left: -100%; width: 50%; height: 100%;
  background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.4) 50%, rgba(255,255,255,0) 100%);
  transform: skewX(-25deg);
  animation: sweep 4s infinite;
}
@keyframes sweep {
  0% { left: -100%; }
  20% { left: 200%; }
  100% { left: 200%; }
}
.btn-primary:hover { 
  transform: translateY(-2px); 
  box-shadow: 0 8px 25px rgba(180, 83, 9, 0.6); 
  filter: brightness(1.1);
}

.btn-secondary { 
  background: linear-gradient(135deg, #ca8a04 0%, #b45309 50%, #9a3412 100%); 
  color: #fff; 
  box-shadow: 0 4px 15px rgba(180, 83, 9, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.btn-secondary:hover { 
  transform: translateY(-2px); 
  box-shadow: 0 8px 25px rgba(180, 83, 9, 0.6); 
  filter: brightness(1.1);
}

.btn-danger { background: linear-gradient(135deg, var(--danger), #ff6b6b); color: #fff; box-shadow: 0 4px 12px rgba(248,81,73,0.3); border: 1px solid rgba(255,255,255,0.1); }
.btn-danger:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(248,81,73,0.5); filter: brightness(1.1); }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border-2);
  color: var(--text);
}
.btn-ghost:hover { background: var(--surface); border-color: var(--border-2); transform: translateY(-1px); }

.btn-sm { padding: 5px 12px; font-size: .8rem; border-radius: 6px; }
.btn-lg { padding: 12px 28px; font-size: 1rem; }
.btn-icon { padding: 8px; border-radius: 8px; }

/* ─── Badges ─────────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: .72rem; font-weight: 600; letter-spacing: .02em;
}
.badge-green   { background: rgba(31,111,92,.16);  color: #1f6f5c; }
.badge-blue    { background: rgba(37,99,235,.16); color: #1d4fd0; }
.badge-red     { background: rgba(248,81,73,.2);  color: var(--danger); }
.badge-yellow  { background: rgba(227,179,65,.2); color: var(--warning); }
.badge-purple  { background: rgba(154,52,18,.2); color: #c2410c; }
.badge-gray    { background: var(--surface);       color: var(--text-2); }

/* ─── Forms ──────────────────────────────────────────────────────────────────── */
.form-group    { margin-bottom: 16px; }
.form-row      { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3    { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
label { display: block; font-size: .8rem; font-weight: 500; color: var(--text-2); margin-bottom: 6px; }
.required::after { content: ' *'; color: var(--danger); }

input[type="text"], input[type="email"], input[type="password"],
input[type="number"], input[type="date"], input[type="tel"],
select, textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  padding: 9px 12px;
  color: var(--text);
  font-size: .875rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(31,111,235,.15);
}
input.error, select.error { border-color: var(--danger); }
.field-error { color: var(--danger); font-size: .75rem; margin-top: 4px; }
select { appearance: none; cursor: pointer; }

/* ─── Tables ─────────────────────────────────────────────────────────────────── */
.table-container { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .875rem; }
thead th {
  background: var(--surface);
  padding: 11px 16px;
  text-align: left;
  font-weight: 700;
  font-size: .72rem;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--text-3);
  border-bottom: 2px solid var(--border);
}
tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: middle;
  font-size: .875rem;
}
tbody tr { transition: background 0.15s ease, box-shadow 0.15s ease; }
tbody tr:hover { 
  background: var(--surface);
  box-shadow: inset 3px 0 0 var(--primary);
}
tbody tr:last-child td { border-bottom: none; }

/* ─── Modal ──────────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 20px;
}
.modal-overlay.open { opacity: 1; visibility: visible; }
.modal {
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-xl);
  width: 100%; max-width: 540px;
  max-height: 90vh; overflow-y: auto;
  padding: 32px;
  transform: scale(.92) translateY(20px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 16px 40px rgba(0,0,0,.5);
}
.modal-overlay.open .modal { transform: scale(1) translateY(0); }
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.modal-header h3 { font-size: 1.1rem; }
.modal-close { background: none; border: none; color: var(--text-2); font-size: 20px; cursor: pointer; padding: 4px; border-radius: 4px; }
.modal-close:hover { color: var(--danger); }
.modal-footer { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--border); }

/* ─── Toast ──────────────────────────────────────────────────────────────────── */
.toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 1000; display: flex; flex-direction: column; gap: 10px; }
.toast {
  padding: 14px 20px;
  border-radius: var(--radius-lg);
  font-size: .875rem; font-weight: 500;
  min-width: 280px; max-width: 400px;
  display: flex; align-items: center; gap: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3), 0 2px 8px rgba(0,0,0,0.2);
  animation: toastIn .3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  border-left: 4px solid transparent;
  backdrop-filter: blur(12px);
}
.toast.success { background: var(--bg-3); border-color: var(--primary);   color: var(--text); }
.toast.error   { background: var(--bg-3); border-color: var(--danger);    color: var(--text); }
.toast.info    { background: var(--bg-3); border-color: var(--secondary); color: var(--text); }
.toast.warning { background: var(--bg-3); border-color: var(--warning);   color: var(--text); }
@keyframes toastIn { from { opacity:0; transform: translateX(30px) scale(0.95); } to { opacity:1; transform: translateX(0) scale(1); } }

/* ─── Loading Spinner ────────────────────────────────────────────────────────── */
.spinner {
  display: inline-block; width: 20px; height: 20px;
  border: 2px solid var(--border-2);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-page {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  min-height: 200px; gap: 12px; color: var(--text-3);
}
.loading-page .spinner { width: 32px; height: 32px; }

/* ─── Search & Filters ───────────────────────────────────────────────────────── */
.toolbar {
  display: flex; align-items: center;
  gap: 10px; margin-bottom: 16px;
  flex-wrap: wrap;
}
.search-box {
  position: relative; flex: 1; min-width: 200px;
}
.search-box input { padding-left: 36px; }
.search-box .search-icon {
  position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
  color: var(--text-3); font-size: 14px;
}

/* ─── Pagination ─────────────────────────────────────────────────────────────── */
.pagination {
  display: flex; align-items: center; justify-content: center;
  gap: 6px; margin-top: 16px;
}
.page-btn {
  padding: 6px 12px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text-2); font-size: .8rem; cursor: pointer;
  transition: all var(--transition);
}
.page-btn:hover, .page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-btn:disabled { opacity: .4; cursor: not-allowed; }

/* ─── Empty State ────────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center; padding: 48px 20px; color: var(--text-3);
}
.empty-state .empty-icon { font-size: 48px; margin-bottom: 12px; opacity: .5; }
.empty-state p { color: var(--text-3); }

/* ─── Progress Bar ───────────────────────────────────────────────────────────── */
.progress-bar { background: var(--surface); border-radius: 20px; overflow: hidden; height: 6px; }
.progress-fill { height: 100%; border-radius: 20px; background: linear-gradient(90deg, var(--primary), var(--primary-h)); transition: width .4s ease; }

/* ─── Hamburger Button ───────────────────────────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px; height: 36px;
  padding: 6px;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--transition);
}
.hamburger:hover { background: var(--surface-2); }
.hamburger span {
  display: block;
  width: 100%; height: 2px;
  background: var(--text-2);
  border-radius: 2px;
  transition: all .25s ease;
}
/* Animated X when open */
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── Sidebar Overlay (mobile) ───────────────────────────────────────────────── */
.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 99;
  backdrop-filter: blur(2px);
  animation: fadeIn .2s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ─── Responsive ─────────────────────────────────────────────────────────────── */

/* Tablet / small desktop: compact sidebar */
@media (max-width: 1100px) {
  :root { --sidebar-w: 190px; }
}

/* Mobile: sidebar slides off screen */
@media (max-width: 900px) {
  .hamburger { display: flex; }

  .sidebar {
    transform: translateX(-100%);
    box-shadow: none;
    z-index: 200;
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: 8px 0 32px rgba(0,0,0,.5);
  }
  .sidebar-overlay { display: block; }

  .main { margin-left: 0 !important; }

  .form-row, .form-row-3 { grid-template-columns: 1fr; }

  .page-content { padding: 16px; }

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

  /* Stack 2-col grids */
  .grid-2 { grid-template-columns: 1fr !important; }

  /* Header actions wrap */
  .header { padding: 0 16px; gap: 8px; }
  .header h2 { font-size: 1rem; }
}

/* Small mobile */
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .page-content { padding: 12px; }
  .stat-value { font-size: 1.5rem; }
  .modal { padding: 20px; }
  .btn { padding: 7px 12px; font-size: .82rem; }
  /* Stack tab bar */
  .tab-bar { flex-wrap: wrap; width: 100%; }
  .tab { flex: 1; text-align: center; }
  /* Toast full width on mobile */
  .toast { min-width: unset; width: calc(100vw - 32px); }
  .toast-container { right: 0; left: 0; align-items: center; }
}

/* ─── Password Strength Meter ────────────────────────────────────────── */
.password-meter {
  margin-top: 8px;
}
.strength-bar {
  height: 4px;
  background: var(--surface-2);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 4px;
}
.strength-bar div {
  height: 100%;
  width: 0;
  transition: width 0.3s ease, background-color 0.3s ease;
}
.strength-text {
  font-size: 0.75rem;
  font-weight: 500;
  height: 1rem;
}

/* ─── Capacitor Mobile App Enhancements ─────────────────────────────────── */
body {
  /* Prevent bounce effect in webview */
  overscroll-behavior-y: contain;
}

.table-container {
  -webkit-overflow-scrolling: touch;
}

.sidebar-nav {
  -webkit-overflow-scrolling: touch;
}

/* Ensure clean column space and horizontal swipe-ability on mobile */
table th, table td {
  white-space: nowrap;
}

/* Ensure easy-to-tap touch targets on smaller viewports */
@media (max-width: 900px) {
  .btn, .nav-item, .logout-btn, .hamburger {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
  }
}

/* ─── Phase 2: Mobile UI Adjustments & Card Layouts ────────────────────── */

/* Fixed Header on Mobile Viewports */
@media (max-width: 900px) {
  .header {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    z-index: 150 !important;
    width: 100% !important;
  }
  .main {
    padding-top: calc(var(--header-h) + var(--safe-top)) !important;
  }
}

/* Optimized Card Spacing & padding on small mobile devices */
@media (max-width: 480px) {
  .card {
    padding: 12px !important;
  }
}

/* Swipeable horizontal lists and tables on narrow viewports */
@media (max-width: 600px) {
  .table-container table {
    min-width: 600px !important;
  }
}

/* Scrollable Horizontal Tab Bar Selector (like YouTube/Google tabs) */
@media (max-width: 600px) {
  .tab-bar {
    display: flex !important;
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    width: 100% !important;
    -webkit-overflow-scrolling: touch !important;
    padding: 4px !important;
    gap: 8px !important;
    scrollbar-width: none !important;
  }
  .tab-bar::-webkit-scrollbar {
    display: none !important;
  }
  .tab-bar .tab {
    flex: 0 0 auto !important;
    white-space: nowrap !important;
    padding: 8px 16px !important;
  }
}

/* Stacked Card Headers (prevent button cutoff) */
@media (max-width: 600px) {
  .card-header {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 12px !important;
  }
  .card-header .btn {
    width: 100% !important;
    justify-content: center !important;
  }
}

/* Table to Card Deck Transformation on Mobile (Classes & Sections UI) */
@media (max-width: 768px) {
  /* Enable horizontal scroll on table container when displaying responsive card deck */
  .table-container {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
  }
  
  .responsive-cards-table thead {
    display: none !important;
  }
  .responsive-cards-table, .responsive-cards-table tbody {
    display: block !important;
    width: 100% !important;
    min-width: 100% !important;
    border: none !important;
    box-sizing: border-box !important;
  }
  .responsive-cards-table {
    min-width: 100% !important;
    width: 100% !important;
    font-size: 0.78rem !important;
    box-sizing: border-box !important;
  }
  .responsive-cards-table tbody {
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .responsive-cards-table tr {
    display: flex !important;
    flex-direction: column !important;
    background: var(--bg-2) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius-lg) !important;
    padding: 12px !important;
    box-shadow: var(--shadow-sm) !important;
    gap: 8px !important;
    position: relative !important;
    transition: all 0.2s ease !important;
    width: calc(100% - 8px) !important; /* Premium breathing margin to prevent screen boundary touch */
    margin: 0 auto !important; /* Centered card placement */
    box-sizing: border-box !important; /* Pad and border inside width limits */
  }
  .responsive-cards-table tr:hover {
    box-shadow: var(--shadow) !important;
    transform: translateY(-2px) !important;
  }
  .responsive-cards-table td {
    display: block !important;
    padding: 0 !important;
    border: none !important;
    width: 100% !important;
    white-space: normal !important;
  }
  .responsive-cards-table td * {
    white-space: normal !important;
  }
  .responsive-cards-table .class-title {
    font-size: 0.95rem !important; /* Shorter header font size */
    font-weight: 700 !important;
  }
  .responsive-cards-table .class-subtitle {
    font-size: 0.72rem !important;
  }
  .responsive-cards-table .student-pill {
    width: 100% !important;
    background: rgba(var(--primary-rgb, 46, 160, 67), 0.05) !important;
    padding: 6px 12px !important; /* Compact pill padding */
    font-size: 0.78rem !important;
    min-width: unset !important;
  }
  .responsive-cards-table .class-teacher-control {
    display: grid !important;
    grid-template-columns: 1fr auto !important;
    gap: 6px !important;
    width: 100% !important;
    min-width: unset !important;
    background: var(--bg-3) !important;
    padding: 8px 10px !important; /* Reduced control padding */
    border-radius: var(--radius) !important;
    border: 1px solid var(--border) !important;
    box-sizing: border-box !important;
  }
  .responsive-cards-table .class-teacher-control select {
    width: 100% !important;
    max-width: calc(100vw - 120px) !important; /* Strictly lock select width to fit screen */
    text-overflow: ellipsis !important; /* Ellipsis for long teacher names */
    overflow: hidden !important;
    height: 32px !important;
    padding: 0 8px !important;
    font-size: 0.78rem !important;
  }
  .responsive-cards-table .class-teacher-control .btn {
    height: 32px !important;
    padding: 0 12px !important;
    font-size: 0.78rem !important;
  }
  .responsive-cards-table .class-teacher-control small {
    font-size: 0.7rem !important;
    margin-top: 2px !important;
  }
  .responsive-cards-table .action-group {
    position: absolute !important;
    top: 12px;
    right: 12px;
    gap: 6px !important;
  }
  .responsive-cards-table .btn-icon {
    width: 32px !important;
    height: 32px !important;
    font-size: 0.85rem !important;
  }
}

/* ─── Classes Dashboard Grid Menu ───────────────────────────────────────── */
.classes-dashboard {
  animation: fadeSlideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 12px;
}
.menu-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  position: relative;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--shadow-sm);
  box-sizing: border-box;
}
.menu-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
  transform: translateY(-3px) scale(1.01);
}
.menu-card .menu-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(var(--primary-rgb, 46, 160, 67), 0.08);
  color: var(--primary);
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(var(--primary-rgb, 46, 160, 67), 0.1);
  transition: all 0.2s ease;
}
.menu-card:hover .menu-icon {
  background: var(--primary);
  color: #fff;
  transform: scale(1.08) rotate(4deg);
}
.menu-card .menu-info {
  flex: 1;
}
.menu-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
  margin-top: 0;
}
.menu-card p {
  font-size: 0.78rem;
  color: var(--text-2);
  line-height: 1.35;
  margin: 0;
}
.menu-card .menu-arrow {
  font-size: 18px;
  color: var(--text-3);
  transition: transform 0.2s ease, color 0.2s ease;
}
.menu-card:hover .menu-arrow {
  transform: translateX(4px);
  color: var(--primary);
}

/* Admission detail view modal */
.admission-detail-modal {
  max-width: 780px;
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: 90vh;
}
.admission-detail-modal .modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
#adm-detail-body {
  overflow-y: auto;
  padding: 0 24px;
  flex: 1;
}
.adm-detail-section {
  padding: 16px 0 12px;
  border-bottom: 1px solid var(--border);
}
.adm-detail-section:last-child { border-bottom: none; }
.adm-detail-section-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--primary);
  margin-bottom: 12px;
}
.adm-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px 20px;
}
.adm-detail-field {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.adm-detail-field-wide { grid-column: 1 / -1; }
.adm-detail-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.adm-detail-value {
  font-size: 0.88rem;
  color: var(--text);
  font-weight: 500;
}
.admission-detail-modal .modal-footer {
  padding: 14px 24px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

/* Admission form */
.admission-modal {
  max-width: 1040px;
  padding: 0;
  overflow: hidden;
}
.admission-modal .modal-header {
  position: sticky;
  top: 0;
  z-index: 2;
  margin: 0;
  padding: 20px 24px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}
.admission-modal form {
  max-height: calc(90vh - 73px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.admission-form-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
}
.admission-section {
  padding: 18px 0 8px;
  border-bottom: 1px solid var(--border);
}
.admission-section:last-of-type {
  border-bottom: none;
}
.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.section-heading h4 {
  color: var(--text);
  font-size: .95rem;
}
.admission-modal .required {
  color: var(--danger);
  font-weight: 700;
}
.form-error-summary {
  background: rgba(var(--danger-rgb), .08);
  border: 1px solid rgba(var(--danger-rgb), .22);
  border-radius: var(--radius);
  color: var(--danger);
  font-size: .82rem;
  margin-bottom: 16px;
  padding: 12px 14px;
}
.form-error-summary ul {
  margin: 6px 0 0 18px;
}
.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 39px;
  align-items: center;
}
.radio-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 36px;
  margin: 0;
  padding: 7px 12px;
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-size: .84rem;
  cursor: pointer;
}
.radio-pill input {
  accent-color: var(--secondary);
}
.document-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 16px;
}
.photo-capture {
  display: grid;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  background: var(--surface);
}
.photo-capture.error {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(var(--danger-rgb), .12);
}
.photo-actions,
.save-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.camera-preview,
.photo-preview {
  width: 160px;
  height: 160px;
  border-radius: var(--radius);
  object-fit: cover;
  background: var(--bg-3);
  border: 1px solid var(--border);
}
.admission-footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}
.save-options {
  margin-right: auto;
  color: var(--text-2);
  font-size: .84rem;
}
.save-options label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 0;
}
.save-options input {
  accent-color: var(--secondary);
}
.btn-save-student {
  background: linear-gradient(135deg, #ca8a04 0%, #b45309 50%, #9a3412 100%);
  box-shadow: 0 4px 15px rgba(180, 83, 9, 0.3);
}
.btn-save-student:hover {
  background: linear-gradient(135deg, #ca8a04 0%, #b45309 50%, #9a3412 100%);
  filter: brightness(1.1);
  box-shadow: 0 8px 25px rgba(180, 83, 9, 0.5);
  transform: translateY(-2px);
}

/* Admission form tab navigation */
.adm-tab-bar {
  display: flex;
  gap: 0;
  padding: 0 24px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  flex-shrink: 0;
}
.adm-tab {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 18px 12px;
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  font-size: .82rem;
  font-weight: 500;
  color: var(--text-3);
  cursor: pointer;
  white-space: nowrap;
  transition: color .15s, border-color .15s;
  border-radius: 0;
  line-height: 1;
  margin-bottom: -1px;
}
.adm-tab:hover { color: var(--text); }
.adm-tab-active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}
.adm-tab-done { color: var(--text-2); }
.adm-tab-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--bg-3);
  color: var(--text-3);
  font-size: .7rem;
  font-weight: 700;
  flex-shrink: 0;
  transition: background .15s, color .15s;
}
.adm-tab-active .adm-tab-step {
  background: var(--primary);
  color: #fff;
}
.adm-tab-done .adm-tab-step {
  background: var(--success, #16a34a);
  color: #fff;
}
/* Panel show/hide */
.adm-panel { display: none; }
.adm-panel-active { display: block; }
.adm-panel > .admission-section { border-bottom: none; }

@media (max-width: 760px) {
  .admission-modal {
    max-height: 94vh;
  }
  .admission-modal .modal-header {
    padding: 16px;
  }
  .admission-modal form {
    padding: 16px;
  }
  .document-grid {
    grid-template-columns: 1fr;
  }
  .admission-footer {
    align-items: stretch;
    flex-direction: column;
  }
  .save-options {
    margin-right: 0;
  }
  .admission-footer .btn {
    justify-content: center;
    width: 100%;
  }
}

/* Premium Back to Dashboard Button styling */
.back-to-menu-btn {
  font-family: 'Inter', sans-serif !important;
  font-weight: 600 !important;
  padding: 8px 16px !important;
  border-radius: 10px !important;
  font-size: 0.85rem !important;
  border: 1px solid var(--border) !important;
  background: var(--bg-2) !important;
  color: var(--text) !important;
  transition: all 0.2s ease !important;
}
.back-to-menu-btn:hover {
  background: var(--surface) !important;
  border-color: var(--border-2) !important;
  transform: translateX(-4px) !important;
}

/* ─── Floating AI Widget Styles ────────────────────────────────────────── */
.ai-floating-bubble {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #d97706 0%, #b45309 50%, #9a3412 100%);
  color: white;
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  cursor: pointer;
  box-shadow: 0 8px 32px rgba(154, 52, 18, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.ai-floating-bubble:hover {
  transform: scale(1.1) translateY(-4px) rotate(8deg);
  box-shadow: 0 15px 35px rgba(154, 52, 18, 0.6);
  border-color: rgba(255, 255, 255, 0.5);
}
.ai-floating-bubble:active {
  transform: scale(0.92);
}

.ai-chat-drawer {
  position: fixed;
  bottom: 96px;
  right: 24px;
  width: 370px;
  height: 500px;
  max-height: calc(100vh - 140px);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 20px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 9998;
  transform: translateY(20px);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] .ai-chat-drawer {
  background: rgba(24, 28, 41, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.ai-chat-drawer.open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.ai-drawer-header {
  background: linear-gradient(135deg, #c2740a 0%, #9a3412 100%);
  color: white;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.ai-close-btn {
  background: none;
  border: none;
  color: white;
  font-size: 24px;
  cursor: pointer;
  line-height: 1;
  opacity: 0.8;
  transition: opacity 0.2s;
}
.ai-close-btn:hover {
  opacity: 1;
}

.ai-drawer-messages {
  flex: 1;
  padding: 18px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: rgba(248, 250, 252, 0.65);
}

[data-theme="dark"] .ai-drawer-messages {
  background: rgba(15, 18, 28, 0.65);
}

.ai-drawer-messages .msg-bubble {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: 14px;
  line-height: 1.45;
  font-size: 0.85rem;
  animation: fadeIn 0.15s ease-out;
}

.ai-drawer-messages .msg-bubble.user {
  align-self: flex-end;
  background: linear-gradient(135deg, #c2740a 0%, #9a3412 100%);
  color: white;
  border-bottom-right-radius: 3px;
  box-shadow: 0 4px 12px rgba(180, 83, 9, 0.2);
}

.ai-drawer-messages .msg-bubble.assistant {
  align-self: flex-start;
  background: white;
  color: #2a2119;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-bottom-left-radius: 3px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

[data-theme="dark"] .ai-drawer-messages .msg-bubble.assistant {
  background: #2a2119;
  color: #f3ece1;
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.ai-drawer-messages .msg-bubble.system-error {
  align-self: center;
  background: rgba(239, 68, 68, 0.08);
  color: var(--danger);
  font-size: 0.8rem;
  border: 1px solid rgba(239, 68, 68, 0.15);
  border-radius: 8px;
  max-width: 90%;
}

.ai-drawer-quick-queries {
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.7);
  border-top: 1px solid rgba(0,0,0,0.04);
  display: flex;
  gap: 8px;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
}

[data-theme="dark"] .ai-drawer-quick-queries {
  background: rgba(24, 28, 41, 0.7);
  border-top: 1px solid rgba(255,255,255,0.04);
}

.ai-drawer-quick-queries::-webkit-scrollbar {
  display: none;
}

.drawer-query-chip {
  display: inline-block;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(0,0,0,0.08);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  color: #5b524a;
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 500;
  box-shadow: 0 1px 3px rgba(0,0,0,0.02);
}

[data-theme="dark"] .drawer-query-chip {
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: #c4b5a3;
}

.drawer-query-chip:hover {
  border-color: #b45309;
  color: #b45309;
  background: rgba(180, 83, 9, 0.05);
  transform: translateY(-1px);
}

.ai-drawer-input-area {
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.9);
  border-top: 1px solid rgba(0,0,0,0.05);
  display: flex;
  gap: 8px;
}

[data-theme="dark"] .ai-drawer-input-area {
  background: rgba(24, 28, 41, 0.9);
  border-top: 1px solid rgba(255,255,255,0.05);
}

.ai-drawer-input-area input {
  flex: 1;
  padding: 10px 16px;
  border-radius: 24px;
  border: 1px solid rgba(0,0,0,0.08);
  background: rgba(248, 250, 252, 0.8);
  color: var(--text);
  font-size: 0.85rem;
  outline: none;
  transition: all 0.2s;
}

[data-theme="dark"] .ai-drawer-input-area input {
  background: rgba(15, 18, 28, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.ai-drawer-input-area input:focus {
  border-color: #b45309;
  background: white;
  box-shadow: 0 0 0 3px rgba(180, 83, 9, 0.1);
}


[data-theme="dark"] .ai-drawer-input-area input:focus {
  background: #0f121c;
  box-shadow: 0 0 0 3px rgba(180, 83, 9, 0.2);
}

/* ═══════════════════════════════════════════════════════════════════════
   Promotion Wizard & Archives ─ Additional Styles
   ═══════════════════════════════════════════════════════════════════════ */

/* ─── Step Wizard ─────────────────────────────────────────────────────────── */
.wizard-steps {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 32px;
}
.wizard-step {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--text-3);
  flex: 1;
  position: relative;
}
.wizard-step::after {
  content: '';
  flex: 1;
  height: 2px;
  background: var(--border-2);
  margin: 0 10px;
  transition: background .3s;
}
.wizard-step:last-child::after { display: none; }
.wizard-step .step-num {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 2px solid var(--border-2);
  display: flex; align-items: center; justify-content: center;
  font-size: .82rem;
  font-weight: 700;
  flex-shrink: 0;
  transition: all .3s;
}
.wizard-step.active .step-num {
  background: linear-gradient(135deg, #b45309, #9a3412);
  border-color: #b45309;
  color: #fff;
  box-shadow: 0 4px 12px rgba(180, 83, 9, 0.4);
}
.wizard-step.done .step-num {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.wizard-step.done::after { background: var(--primary); }
.wizard-step.active { color: var(--text); }
.wizard-step.done   { color: var(--primary); }
.step-label { white-space: nowrap; }

/* ─── Archive Tabs ────────────────────────────────────────────────────────── */
.archive-tabs {
  display: flex;
  gap: 4px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 4px;
  margin-bottom: 20px;
  width: fit-content;
}
.archive-tab {
  padding: 8px 20px;
  border-radius: 10px;
  border: none;
  background: transparent;
  color: var(--text-2);
  font-size: .875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
}
.archive-tab.active {
  background: var(--bg-2);
  color: var(--text);
  box-shadow: 0 2px 8px rgba(0,0,0,.12);
}
.archive-tab:hover:not(.active) { color: var(--text); }

/* ─── Danger/Warning Boxes ────────────────────────────────────────────────── */
.danger-box {
  background: rgba(var(--danger-rgb, 207, 34, 46), 0.08);
  border: 1px solid rgba(var(--danger-rgb, 207, 34, 46), 0.3);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin-bottom: 16px;
}
.danger-box .danger-title {
  font-weight: 700;
  color: var(--danger);
  font-size: .9rem;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.danger-box ul {
  list-style: disc;
  padding-left: 20px;
  font-size: .82rem;
  color: var(--text-2);
  margin: 0;
}
.warning-box {
  background: rgba(234, 179, 8, 0.1);
  border: 1px solid rgba(234, 179, 8, 0.35);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--warning);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 16px;
}
.warning-box .warning-body { flex: 1; }

/* ─── Confirm Input ───────────────────────────────────────────────────────── */
.confirm-input {
  border: 2px solid var(--danger) !important;
  border-radius: var(--radius) !important;
  font-weight: 600 !important;
  letter-spacing: 0.1em;
}
.confirm-input:focus {
  border-color: var(--danger) !important;
  box-shadow: 0 0 0 3px rgba(var(--danger-rgb, 207, 34, 46), 0.15) !important;
}

/* ─── Promotion Preview Table ─────────────────────────────────────────────── */
.promote-arrow {
  color: var(--primary);
  font-weight: 700;
  font-size: 1.1rem;
}
.skipped-badge {
  background: rgba(234,179,8,0.15);
  color: var(--warning);
  padding: 2px 8px;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 700;
  border: 1px solid rgba(234,179,8,0.3);
}

/* ─── Section Migration Modal ─────────────────────────────────────────────── */
.migrate-modal-info {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: .85rem;
  color: var(--text-2);
}
.migrate-modal-info strong { color: var(--text); }

/* ─── Year Banner ─────────────────────────────────────────────────────────── */
#year-banner {
  animation: fadeSlideUp 0.4s ease both;
}

/* ─── Promotion Batch History ─────────────────────────────────────────────── */
.batch-row-scope {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 600;
}
.batch-scope-all     { background: rgba(37,99,235,.12); color: #1d4fd0; }
.batch-scope-class   { background: rgba(31,111,92,.12);  color: #1f6f5c; }
.batch-scope-section { background: rgba(154,52,18,.12); color: #c2410c; }

/* ─── Restore / Archive Action Buttons ───────────────────────────────────── */
.btn-restore {
  background: rgba(46,160,67,.12);
  border: 1px solid rgba(46,160,67,.3);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 6px;
  font-size: .78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
}
.btn-restore:hover {
  background: rgba(46,160,67,.25);
  transform: translateY(-1px);
}
.btn-perm-delete {
  background: rgba(var(--danger-rgb, 207,34,46),.1);
  border: 1px solid rgba(var(--danger-rgb, 207,34,46),.3);
  color: var(--danger);
  padding: 4px 12px;
  border-radius: 6px;
  font-size: .78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
}
.btn-perm-delete:hover {
  background: rgba(var(--danger-rgb, 207,34,46),.2);
  transform: translateY(-1px);
}

/* ─── Embedded iframe mode (teacher dashboard tabs) ──────────────────────────
   Pages loaded inside the teacher dashboard tab iframes with ?embedded=1
   get html.embedded on their root element. Hide chrome, remove sidebar margin.
──────────────────────────────────────────────────────────────────────────── */
html.embedded .sidebar           { display: none !important; }
html.embedded .header            { display: none !important; }
html.embedded .main              { margin-left: 0 !important; }
html.embedded #ai-bubble         { display: none !important; }
html.embedded .ai-floating-bubble{ display: none !important; }
html.embedded .ai-chat-drawer    { display: none !important; }
html.embedded #hamburger-btn     { display: none !important; }
html.embedded .sidebar-overlay   { display: none !important; }