/* ==========================================================================
   CAMBODIAN JUNIOR HIGH SCHOOL CLASSROOM MANAGEMENT SYSTEM (CSS DESIGN SYSTEM)
   Font: Kantumruy Pro, Moul, Siemreap, Plus Jakarta Sans
   ========================================================================== */

:root {
  /* Color Palette - Light Theme */
  --bg-app: #f4f6fb;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #ffffff;
  --bg-sidebar: #0f172a;
  --bg-sidebar-hover: #1e293b;
  --bg-sidebar-active: #3b82f6;
  --border-color: #e2e8f0;
  --border-light: #f1f5f9;
  
  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-sidebar: #cbd5e1;
  --text-sidebar-bright: #ffffff;

  /* Primary Brand Colors */
  --primary: #4338ca;
  --primary-hover: #3730a3;
  --primary-light: #eef2ff;
  --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #3730a3 100%);
  
  --accent: #0284c7;
  --accent-light: #e0f2fe;
  --accent-gradient: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  
  --success: #059669;
  --success-light: #d1fae5;
  --success-gradient: linear-gradient(135deg, #10b981 0%, #047857 100%);
  
  --warning: #d97706;
  --warning-light: #fef3c7;
  --warning-gradient: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);

  --danger: #dc2626;
  --danger-light: #fee2e2;
  --danger-gradient: linear-gradient(135deg, #ef4444 0%, #b91c1c 100%);

  --info: #0891b2;
  --info-light: #cffafe;

  /* Shadows & Radii */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Typography */
  --font-khmer: 'Kantumruy Pro', 'Siemreap', sans-serif;
  --font-moul: 'Moul', cursive;
  --font-sans: 'Plus Jakarta Sans', 'Kantumruy Pro', sans-serif;

  /* Layout Sizes */
  --sidebar-width: 270px;
  --navbar-height: 70px;
  --transition-fast: 0.18s ease;
  --transition-normal: 0.28s ease;
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-app: #090d16;
  --bg-surface: #111827;
  --bg-surface-elevated: #1f2937;
  --bg-sidebar: #0b0f19;
  --bg-sidebar-hover: #172033;
  --bg-sidebar-active: #2563eb;
  --border-color: #1f2937;
  --border-light: #182234;

  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-light: #6b7280;

  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-light: rgba(99, 102, 241, 0.15);

  --accent: #38bdf8;
  --accent-light: rgba(56, 189, 248, 0.15);

  --success: #34d399;
  --success-light: rgba(52, 211, 153, 0.15);

  --warning: #fbbf24;
  --warning-light: rgba(251, 191, 36, 0.15);

  --danger: #f87171;
  --danger-light: rgba(248, 113, 113, 0.15);

  --info: #22d3ee;
  --info-light: rgba(34, 211, 238, 0.15);

  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 24px rgba(0, 0, 0, 0.5);
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  font-family: var(--font-khmer);
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: 0.95rem;
  border: none;
  outline: none;
  transition: var(--transition-fast);
}

button {
  cursor: pointer;
}

img {
  max-width: 100%;
  display: block;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ==========================================================================
   LAYOUT STRUCTURE
   ========================================================================== */
.app-layout {
  display: flex;
  min-height: 100vh;
  width: 100%;
  position: relative;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  color: var(--text-sidebar);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  transition: transform var(--transition-normal);
  border-right: 1px solid rgba(255, 255, 255, 0.05);
}

.sidebar-header {
  padding: 20px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.school-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo-wrap {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.3rem;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.4);
}

.school-name-kh {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-sidebar-bright);
  line-height: 1.3;
}

.system-tag {
  font-size: 0.75rem;
  color: #94a3b8;
  display: block;
}

.sidebar-close-btn {
  display: none;
  color: #cbd5e1;
}

.academic-badge-box {
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.03);
  margin: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.academic-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: #38bdf8;
  margin-bottom: 8px;
}

.class-selector-mini {
  display: flex;
  align-items: center;
  gap: 6px;
}
.class-selector-mini label {
  font-size: 0.8rem;
  color: #94a3b8;
  white-space: nowrap;
}
.class-selector-mini select {
  background: #1e293b;
  color: #fff;
  border: 1px solid #334155;
  border-radius: var(--radius-sm);
  padding: 4px 8px;
  font-size: 0.85rem;
  font-weight: 600;
  width: 100%;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 10px 14px;
}

.nav-section-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #64748b;
  margin: 14px 10px 6px;
}

.nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 14px;
  border-radius: var(--radius-md);
  color: var(--text-sidebar);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link i {
  font-size: 1.05rem;
  width: 22px;
  text-align: center;
  color: #94a3b8;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  background: var(--bg-sidebar-hover);
  color: var(--text-sidebar-bright);
}

.nav-link:hover i {
  color: #38bdf8;
}

.nav-link.active {
  background: var(--primary-gradient);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.35);
}

.nav-link.active i {
  color: #ffffff;
}

.nav-badge {
  margin-left: auto;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.new-pill {
  background: #f59e0b;
  color: #fff;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 1px 5px;
  border-radius: 4px;
  margin-left: 4px;
}

.sidebar-footer {
  padding: 14px 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.teacher-profile-card {
  display: flex;
  align-items: center;
  gap: 12px;
}

.teacher-avatar img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 2px solid #3b82f6;
  background: #1e293b;
}

.teacher-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: #fff;
}

.teacher-role {
  font-size: 0.75rem;
  color: #38bdf8;
}

/* ==========================================================================
   MAIN CONTENT AREA
   ========================================================================== */
.main-wrapper {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-width: 0; /* CRITICAL: Enables child containers to shrink and scroll horizontally */
  max-width: calc(100vw - var(--sidebar-width));
  width: calc(100vw - var(--sidebar-width));
  overflow-x: hidden;
  transition: margin-left var(--transition-normal);
  background: var(--bg-app);
}

@media (max-width: 1024px) {
  .main-wrapper {
    margin-left: 0;
    max-width: 100vw;
    width: 100vw;
  }
}

/* Top Navbar */
.top-navbar {
  height: var(--navbar-height);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 90;
  box-shadow: var(--shadow-sm);
}

.navbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.toggle-sidebar-btn {
  display: none;
  font-size: 1.25rem;
  color: var(--text-main);
}

.current-page-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

.current-breadcrumb {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.navbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.global-search-box {
  position: relative;
  width: 260px;
}

.global-search-box .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.global-search-box input {
  width: 100%;
  background: var(--bg-app);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 8px 16px 8px 36px;
  font-size: 0.88rem;
  color: var(--text-main);
}

.global-search-box input:focus {
  border-color: var(--primary);
  background: var(--bg-surface);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.search-results-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  max-height: 320px;
  overflow-y: auto;
  display: none;
  z-index: 120;
}

.search-result-item {
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  border-bottom: 1px solid var(--border-light);
  transition: background var(--transition-fast);
}

.search-result-item:hover {
  background: var(--primary-light);
}

.search-result-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
}

.search-result-info .name {
  font-weight: 600;
  font-size: 0.88rem;
}

.search-result-info .meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.theme-toggle-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-app);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  font-size: 1.1rem;
}

.theme-toggle-btn:hover {
  background: var(--border-color);
}

/* ==========================================================================
   BUTTONS & UI COMPONENTS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--primary-gradient);
  color: #fff;
  box-shadow: 0 2px 6px rgba(79, 70, 229, 0.3);
}
.btn-primary:hover {
  opacity: 0.92;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.4);
}

.btn-success {
  background: var(--success-gradient);
  color: #fff;
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.3);
}
.btn-success:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.btn-danger {
  background: var(--danger-gradient);
  color: #fff;
}
.btn-danger:hover {
  opacity: 0.92;
}

.btn-info {
  background: var(--accent-gradient);
  color: #fff;
}
.btn-info:hover {
  opacity: 0.92;
}

.btn-outline {
  background: var(--bg-surface);
  color: var(--text-main);
  border-color: var(--border-color);
}
.btn-outline:hover {
  background: var(--bg-app);
  border-color: var(--text-muted);
}

.btn-outline-danger {
  background: var(--bg-surface);
  color: var(--danger);
  border-color: var(--danger);
}
.btn-outline-danger:hover {
  background: var(--danger-light);
}

.btn-soft-success {
  background: var(--success-light);
  color: var(--success);
}
.btn-soft-success:hover {
  background: var(--success);
  color: #fff;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.84rem;
  border-radius: var(--radius-sm);
}

.btn-xs {
  padding: 4px 10px;
  font-size: 0.78rem;
  border-radius: var(--radius-sm);
}

.btn-icon {
  background: transparent;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  padding: 6px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-soft-primary { background: var(--primary-light); color: var(--primary); }
.badge-soft-success { background: var(--success-light); color: var(--success); }
.badge-soft-warning { background: var(--warning-light); color: var(--warning); }
.badge-soft-danger  { background: var(--danger-light); color: var(--danger); }
.badge-soft-info    { background: var(--info-light); color: var(--info); }

/* Mention (Grade Letter) Badges */
.mention-badge {
  display: inline-block;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.8rem;
  text-align: center;
}
.mention-A { background: #dcfce7; color: #15803d; border: 1px solid #86efac; }
.mention-B { background: #e0f2fe; color: #0369a1; border: 1px solid #7dd3fc; }
.mention-C { background: #fef3c7; color: #b45309; border: 1px solid #fcd34d; }
.mention-D { background: #ffedd5; color: #c2410c; border: 1px solid #fdba74; }
.mention-E { background: #f3e8ff; color: #7e22ce; border: 1px solid #d8b4fe; }
.mention-F { background: #fee2e2; color: #b91c1c; border: 1px solid #fca5a5; }

/* Rank Medals */
.rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-weight: 800;
  font-size: 0.85rem;
}
.rank-1 { background: linear-gradient(135deg, #ffd700, #ffae00); color: #78350f; box-shadow: 0 2px 6px rgba(255, 174, 0, 0.4); }
.rank-2 { background: linear-gradient(135deg, #e2e8f0, #94a3b8); color: #1e293b; }
.rank-3 { background: linear-gradient(135deg, #fbcfe8, #d97706); color: #7c2d12; }
.rank-default { background: var(--bg-app); color: var(--text-muted); border: 1px solid var(--border-color); }

/* Form Controls */
.form-group {
  margin-bottom: 14px;
}
.form-group label, .form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}
.required-label::after {
  content: ' *';
  color: var(--danger);
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 9px 14px;
  font-size: 0.92rem;
  color: var(--text-main);
  transition: all var(--transition-fast);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-input-sm, .form-select-sm {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-size: 0.85rem;
  color: var(--text-main);
}
.form-input-sm:focus, .form-select-sm:focus {
  border-color: var(--primary);
  outline: none;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
}
.form-row-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
@media (max-width: 650px) {
  .form-row-4 {
    grid-template-columns: 1fr 1fr;
  }
}

.form-section-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--primary);
  margin: 18px 0 12px 0;
  padding-bottom: 6px;
  border-bottom: 1.5px dashed var(--border-color);
}

/* ==========================================================================
   CONTENT CONTAINER & TABS
   ========================================================================== */
.content-container {
  padding: 24px 28px;
  flex: 1;
  min-width: 0;
  max-width: 100%;
  width: 100%;
  box-sizing: border-box;
}

.tab-content {
  display: none;
  min-width: 0;
  max-width: 100%;
  width: 100%;
  animation: fadeIn 0.25s ease forwards;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Content Cards */
.content-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  overflow: hidden;
  min-width: 0;
  max-width: 100%;
  width: 100%;
}

.card-header-flex {
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

.header-title-box {
  display: flex;
  align-items: center;
  gap: 12px;
}
.header-title-box i {
  font-size: 1.35rem;
}

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.3;
}

.card-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.header-actions-flex {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.card-body {
  padding: 22px;
  min-width: 0;
  max-width: 100%;
  width: 100%;
  box-sizing: border-box;
}

.card-footer-flex {
  padding: 14px 22px;
  background: var(--bg-app);
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ==========================================================================
   DASHBOARD STYLES
   ========================================================================== */
.dashboard-hero-card {
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 60%, #1e3a8a 100%);
  color: #ffffff;
  border-radius: var(--radius-xl);
  padding: 28px 32px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 12px 28px rgba(30, 27, 75, 0.35);
  position: relative;
  overflow: hidden;
}

.dashboard-hero-card::before {
  content: '';
  position: absolute;
  right: -50px;
  top: -50px;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.12) 0%, rgba(255,255,255,0) 70%);
}

.welcome-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  margin-bottom: 10px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.hero-desc {
  font-size: 0.95rem;
  color: #cbd5e1;
  margin-bottom: 14px;
}

.hero-date-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.84rem;
  color: #93c5fd;
}

.date-chip, .time-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 0, 0, 0.25);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
}

.hero-stats-pill {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 16px 22px;
  display: flex;
  align-items: center;
  gap: 18px;
}

.pill-item {
  display: flex;
  flex-direction: column;
  text-align: center;
}
.pill-label {
  font-size: 0.76rem;
  color: #cbd5e1;
}
.pill-value {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
}
.pill-divider {
  width: 1px;
  height: 36px;
  background: rgba(255, 255, 255, 0.2);
}

/* KPI Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 24px;
}

.kpi-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.kpi-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.card-primary .kpi-icon-box { background: var(--primary-light); color: var(--primary); }
.card-success .kpi-icon-box { background: var(--success-light); color: var(--success); }
.card-warning .kpi-icon-box { background: var(--warning-light); color: var(--warning); }
.card-info .kpi-icon-box    { background: var(--info-light); color: var(--info); }

.kpi-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  display: block;
}

.kpi-main-val h3 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.2;
}
.kpi-main-val h4 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
}
.val-unit {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
}
.kpi-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
}
.kpi-footer {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--border-color);
}

/* Dashboard Grids */
.dashboard-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* Today Schedule Timeline */
.today-schedule-timeline {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.schedule-item-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  background: var(--bg-app);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--primary);
}
.schedule-time {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  min-width: 100px;
}
.schedule-subject {
  font-weight: 700;
  font-size: 0.95rem;
}
.schedule-teacher {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ==========================================================================
   QR SCANNER & CAMERA VIEWS (NEW STYLES)
   ========================================================================== */
.scanner-layout-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
}

.qr-camera-viewport {
  position: relative;
  width: 100%;
  max-width: 480px;
  height: 320px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #0f172a;
  border: 3px dashed #6366f1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-reader-box {
  width: 100% !important;
  height: 100% !important;
}

.scanner-laser-line {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, #ef4444, transparent);
  box-shadow: 0 0 12px #ef4444;
  animation: laserScan 2s infinite ease-in-out;
  pointer-events: none;
}

@keyframes laserScan {
  0% { top: 10%; }
  50% { top: 90%; }
  100% { top: 10%; }
}

.manual-scan-box {
  max-width: 480px;
  margin: 0 auto;
}

.input-group-flex {
  display: flex;
  gap: 10px;
}

.quick-test-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 0.82rem;
}
.quick-test-id-btn {
  background: var(--bg-app);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.quick-test-id-btn:hover {
  background: var(--primary-light);
  border-color: var(--primary);
}

.scan-success-banner {
  background: #dcfce7;
  border: 2px solid #86efac;
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.scan-success-icon {
  font-size: 2.2rem;
  color: #15803d;
}
.student-scan-info-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 8px;
}
.scan-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 2px solid #16a34a;
}
.scan-student-name {
  font-weight: 700;
  font-size: 1.05rem;
  color: #14532d;
}
.scan-meta {
  font-size: 0.85rem;
  color: #166534;
}
.scan-time-badge {
  font-size: 0.78rem;
  color: #15803d;
  margin-top: 2px;
}

.recent-scans-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 380px;
  overflow-y: auto;
}
.recent-scan-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--bg-app);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}
.recent-scan-item img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
}
.recent-scan-info .name {
  font-weight: 700;
  font-size: 0.88rem;
}
.recent-scan-info .time {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   HOMEWORK MODULE (NEW STYLES)
   ========================================================================== */
.homework-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 18px;
}
.homework-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-fast);
}
.homework-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.hw-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.hw-title {
  font-weight: 700;
  font-size: 1rem;
}
.hw-desc {
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}
.hw-progress-bar-wrap {
  margin-bottom: 14px;
}
.hw-progress-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  margin-bottom: 4px;
}
.progress-track {
  width: 100%;
  height: 8px;
  background: var(--border-color);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--primary-gradient);
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
}

/* Toggle switch for submission */
.submission-toggle-label {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}
.submission-toggle-label input {
  opacity: 0;
  width: 0;
  height: 0;
}
.submission-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #cbd5e1;
  transition: .2s;
  border-radius: 24px;
}
.submission-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .2s;
  border-radius: 50%;
}
.submission-toggle-label input:checked + .submission-slider {
  background-color: #10b981;
}
.submission-toggle-label input:checked + .submission-slider:before {
  transform: translateX(20px);
}

/* ==========================================================================
   SMART INSIGHTS MODULE (NEW STYLES)
   ========================================================================== */
.insight-stat-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-light);
}
.stat-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.subj-tag {
  font-size: 0.82rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
}
.stat-bar-track {
  width: 100%;
  height: 10px;
  background: var(--border-color);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.stat-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
}

.action-plan-card {
  background: linear-gradient(135deg, #fefce8 0%, #ffffff 100%);
  border: 2px solid #fde047;
  border-radius: var(--radius-lg);
  padding: 22px;
  color: #1e293b;
}
[data-theme="dark"] .action-plan-card {
  background: #1e1b4b;
  border-color: #6366f1;
  color: #f8fafc;
}
.action-plan-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.action-plan-header h4 {
  font-size: 1.05rem;
  font-weight: 700;
}
.action-plan-list {
  padding-left: 20px;
  font-size: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ==========================================================================
   TELEGRAM MODAL PREVIEW
   ========================================================================== */
.telegram-preview-box {
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-md);
  padding: 14px;
  font-size: 0.88rem;
  white-space: pre-wrap;
  font-family: var(--font-khmer);
  max-height: 240px;
  overflow-y: auto;
  color: #0f172a;
  border-left: 4px solid #0284c7;
}

/* ==========================================================================
   DATA TABLES (RESPONSIVE & CLEAN WITH ULTRA-SMOOTH 2D DRAG-TO-SCROLL)
   ========================================================================== */
.table-responsive {
  width: 100%;
  max-height: 72vh;
  overflow-x: auto !important;
  overflow-y: auto !important;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
  overscroll-behavior-x: contain;
  overscroll-behavior-y: auto;
  touch-action: pan-x pan-y;
  scrollbar-width: thin;
  scrollbar-color: #6366f1 var(--bg-app);
  position: relative;
  cursor: grab;
  will-change: scroll-position;
}

.table-responsive.is-dragging {
  cursor: grabbing !important;
  user-select: none !important;
  scroll-behavior: auto !important; /* Instant tracking during active drag */
}

.table-responsive input,
.table-responsive select,
.table-responsive button,
.table-responsive a,
.grade-table-wrapper input,
.grade-table-wrapper select,
.grade-table-wrapper button,
.grade-table-wrapper a {
  cursor: auto;
}

/* Universal Custom Visible Scrollbars */
.table-responsive::-webkit-scrollbar,
.grade-table-wrapper::-webkit-scrollbar,
.print-preview-container::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

.table-responsive::-webkit-scrollbar-track,
.grade-table-wrapper::-webkit-scrollbar-track,
.print-preview-container::-webkit-scrollbar-track {
  background: var(--bg-app);
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.table-responsive::-webkit-scrollbar-thumb,
.grade-table-wrapper::-webkit-scrollbar-thumb,
.print-preview-container::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  border-radius: 8px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

.table-responsive::-webkit-scrollbar-thumb:hover,
.grade-table-wrapper::-webkit-scrollbar-thumb:hover,
.print-preview-container::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, #4f46e5 0%, #3730a3 100%);
  box-shadow: 0 0 8px rgba(99, 102, 241, 0.5);
}

.table-responsive::-webkit-scrollbar-corner,
.grade-table-wrapper::-webkit-scrollbar-corner {
  background: var(--bg-app);
}

.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  text-align: left;
  font-size: 0.9rem;
}

.data-table th {
  background: var(--bg-app);
  color: var(--text-muted);
  font-weight: 600;
  padding: 12px 16px;
  border-bottom: 2px solid var(--border-color);
  white-space: nowrap;
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-main);
  vertical-align: middle;
}

.data-table tbody tr:hover {
  background: var(--primary-light);
}

.student-row-flex {
  display: flex;
  align-items: center;
  gap: 12px;
}

.student-table-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-color);
  background: #f1f5f9;
}

.student-name-kh {
  font-weight: 700;
  color: var(--text-main);
}
.student-name-en {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.table-action-btns {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* ==========================================================================
   ATTENDANCE MODULE
   ========================================================================== */
.attendance-summary-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 22px;
  background: var(--bg-app);
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.att-stat-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}
.att-num {
  font-weight: 800;
  font-size: 0.95rem;
}
.stat-total { background: #e2e8f0; color: #1e293b; }
.stat-present { background: var(--success-light); color: var(--success); }
.stat-permission { background: var(--info-light); color: var(--info); }
.stat-absent { background: var(--danger-light); color: var(--danger); }
.stat-late { background: var(--warning-light); color: var(--warning); }

.attendance-radio-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--bg-app);
  padding: 4px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
}

.att-radio-label {
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.att-radio-label input {
  display: none;
}

.att-radio-label:has(input:checked) {
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  color: #fff;
}

.att-radio-p:has(input:checked) { background: var(--success); }
.att-radio-a:has(input:checked) { background: var(--danger); }
.att-radio-l:has(input:checked) { background: var(--info); }
.att-radio-t:has(input:checked) { background: var(--warning); }

/* ==========================================================================
   GRADES MODULE (CAMBODIAN JUNIOR HIGH SCHOOL STANDARDS)
   ========================================================================== */
.grade-legend-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 22px;
  background: var(--bg-app);
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
  font-size: 0.82rem;
}

.legend-items-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

/* Quick Scroll Navigation Controls Bar */
.table-quick-nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 18px;
  background: linear-gradient(90deg, var(--bg-surface) 0%, var(--bg-app) 100%);
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 10px;
}

.scroll-hint-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--primary);
  font-weight: 600;
  background: var(--primary-light);
  padding: 5px 12px;
  border-radius: var(--radius-full);
}

.scroll-nav-group {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.scroll-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.scroll-nav-btn:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-1px);
}

.grade-table-outer-container {
  position: relative;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}

.floating-scroll-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
  z-index: 40;
  border: 3px solid var(--bg-surface);
  cursor: pointer;
  transition: all var(--transition-fast);
  opacity: 0.9;
}

.floating-scroll-btn:hover {
  opacity: 1;
  transform: translateY(-50%) scale(1.12);
  background: var(--primary-hover);
  box-shadow: 0 8px 24px rgba(79, 70, 229, 0.5);
}

.btn-scroll-left {
  left: 12px;
}

.btn-scroll-right {
  right: 12px;
}

.grade-table-wrapper {
  max-height: 68vh;
  width: 100%;
  max-width: 100%;
  overflow-x: auto !important;
  overflow-y: auto !important;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
  overscroll-behavior-x: contain;
  overscroll-behavior-y: auto;
  touch-action: pan-x pan-y;
  position: relative;
  cursor: grab;
  scrollbar-width: thin;
  scrollbar-color: #6366f1 var(--bg-app);
  will-change: scroll-position;
}

.grade-table-wrapper.is-dragging {
  cursor: grabbing !important;
  user-select: none !important;
  scroll-behavior: auto !important; /* Instant 1:1 tracking while dragging */
}

.grade-table {
  min-width: 1460px;
  border-collapse: separate;
  border-spacing: 0;
}

.grade-table th, .grade-table td {
  text-align: center;
  padding: 8px 10px;
  white-space: nowrap;
}

/* Sticky Thead */
.grade-table thead th {
  position: sticky;
  top: 0;
  background: var(--bg-app);
  z-index: 10;
  border-bottom: 2px solid var(--border-color);
  box-shadow: 0 2px 5px rgba(0,0,0,0.06);
}

/* Sticky Left Student Info Columns */
.grade-table .sticky-col {
  position: sticky;
  background: var(--bg-surface);
  z-index: 6;
  text-align: left;
}

/* Sticky Top-Left Corner Cells (Header + Left Columns) */
.grade-table thead .sticky-col {
  background: var(--bg-app);
  z-index: 25;
}

/* Highlight Sticky Columns on Row Hover */
.grade-table tbody tr:hover .sticky-col {
  background: var(--primary-light) !important;
}

.grade-table .col-no { left: 0; width: 45px; }
.grade-table .col-id { left: 45px; width: 90px; }
.grade-table .col-name { left: 135px; width: 170px; min-width: 160px; }
.grade-table .col-gender {
  left: 305px;
  width: 60px;
  border-right: 2px solid var(--border-color);
  box-shadow: 4px 0 8px -3px rgba(0,0,0,0.15);
}

.grade-score-input {
  width: 65px;
  text-align: center;
  padding: 6px 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  font-weight: 700;
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.grade-score-input:focus {
  border-color: var(--primary);
  background: #ffffff;
  box-shadow: 0 0 0 2px var(--primary-light);
  outline: none;
}

[data-theme="dark"] .grade-score-input:focus {
  background: #1f2937;
}

.bg-soft-blue { background: rgba(59, 130, 246, 0.08); }
.bg-soft-green { background: rgba(16, 185, 129, 0.08); }
.bg-soft-amber { background: rgba(245, 158, 11, 0.08); }
.bg-soft-purple { background: rgba(139, 92, 246, 0.08); }

.grade-stats-inline {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.88rem;
  flex-wrap: wrap;
}

/* ==========================================================================
   REPORTS & OFFICIAL CERTIFICATES (MOUL & SIEMREAP FONTS)
   ========================================================================== */
.report-type-switcher {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.report-tab-btn {
  padding: 8px 16px;
  background: var(--bg-app);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.86rem;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.report-tab-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.report-filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 22px;
  background: var(--bg-app);
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 12px;
}

.report-filter-bar .filter-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
}

/* Print Preview Container */
.print-preview-container {
  padding: 20px;
  background: #475569;
  border-radius: var(--radius-lg);
  display: flex;
  justify-content: center;
  overflow-x: auto;
}

/* A4 Sheet Paper Simulation */
.report-paper-view {
  background: #ffffff;
  color: #1e293b;
  width: 960px;
  min-height: 1200px;
  padding: 45px 55px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
  position: relative;
  font-family: 'Kantumruy Pro', 'Siemreap', sans-serif;
}

/* Official Cambodian Ministry Header */
.official-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 25px;
}

.school-heading-left {
  text-align: left;
}
.ministry-title {
  font-size: 0.95rem;
  font-weight: 600;
}
.school-title-kh {
  font-family: var(--font-moul);
  font-size: 1.15rem;
  color: #1e293b;
  margin: 3px 0;
}
.class-title-kh {
  font-size: 0.95rem;
  font-weight: 600;
}

.cambodia-heading {
  text-align: center;
}
.kingdom-moul {
  font-family: var(--font-moul);
  font-size: 1.25rem;
  color: #1e293b;
  line-height: 1.4;
}
.motto-moul {
  font-family: var(--font-moul);
  font-size: 1.1rem;
  color: #1e293b;
  margin-top: 2px;
}
.divider-tapered {
  font-size: 1.1rem;
  letter-spacing: 4px;
  color: #d97706;
  margin-top: 2px;
}

.report-document-title {
  text-align: center;
  margin-bottom: 30px;
}
.title-moul {
  font-family: var(--font-moul);
  font-size: 1.5rem;
  color: #1e3a8a;
  margin-bottom: 4px;
}
.subtitle-kh {
  font-size: 1.05rem;
  font-weight: 600;
  color: #475569;
}

/* Honor Roll Podium Cards */
.honor-podium-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 30px;
}

.podium-card {
  border: 2px solid #e2e8f0;
  border-radius: var(--radius-lg);
  padding: 18px;
  text-align: center;
  background: #f8fafc;
  position: relative;
}

.podium-rank-1 {
  border-color: #fbbf24;
  background: linear-gradient(180deg, #fefce8 0%, #ffffff 100%);
  transform: translateY(-8px);
  box-shadow: 0 6px 18px rgba(245, 158, 11, 0.2);
}
.podium-rank-2 {
  border-color: #94a3b8;
}
.podium-rank-3 {
  border-color: #f97316;
}

.podium-crown {
  font-size: 1.6rem;
  margin-bottom: 6px;
}
.podium-photo {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  margin: 0 auto 10px;
  border: 3px solid #fff;
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}
.podium-name {
  font-family: var(--font-khmer);
  font-size: 1.1rem;
  font-weight: 700;
  color: #1e293b;
}
.podium-score {
  font-size: 0.95rem;
  color: #059669;
  font-weight: 700;
}
.podium-mention {
  font-size: 0.8rem;
  font-weight: 600;
  color: #475569;
}

/* Official Print Table */
.official-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 25px;
  font-size: 0.88rem;
}

.official-table th, .official-table td {
  border: 1px solid #334155;
  padding: 8px 10px;
  text-align: center;
  color: #0f172a;
}
.official-table th {
  background: #f1f5f9;
  font-weight: 700;
}

.transcript-sheet-table {
  font-size: 0.78rem;
}
.transcript-sheet-table th, .transcript-sheet-table td {
  padding: 4px 6px;
}

/* Official Signatures */
.official-signatures {
  display: flex;
  justify-content: space-between;
  margin-top: 40px;
  padding: 0 30px;
}
.sig-box {
  text-align: center;
  min-width: 200px;
}
.sig-role {
  font-size: 0.88rem;
  color: #475569;
}
.sig-title {
  font-weight: 700;
  font-size: 1rem;
}
.sig-space {
  height: 75px;
}
.sig-name {
  font-weight: 700;
  font-size: 0.95rem;
  border-top: 1px dotted #94a3b8;
  padding-top: 4px;
}
.sig-date {
  font-size: 0.85rem;
  font-style: italic;
  margin-bottom: 2px;
}

/* Individual Student Bulletin */
.bulletin-student-header {
  display: flex;
  align-items: center;
  gap: 20px;
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 20px;
  position: relative;
}
.student-avatar-bulletin img {
  width: 90px;
  height: 100px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 2px solid #cbd5e1;
}
.student-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px 20px;
  flex: 1;
}
.detail-cell .lbl {
  font-size: 0.8rem;
  color: #64748b;
  display: block;
}
.detail-cell .val {
  font-size: 0.95rem;
  color: #0f172a;
}
.bulletin-qr-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4px;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-sm);
  background: #fff;
}

.bulletin-remarks-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}
.remark-col {
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-md);
  padding: 12px 14px;
  background: #f8fafc;
}
.remark-title {
  font-weight: 700;
  font-size: 0.88rem;
  color: #1e3a8a;
  margin-bottom: 4px;
}
.remark-body {
  font-size: 0.85rem;
  color: #334155;
}

/* ==========================================================================
   HONOR CERTIFICATE (ROYAL CAMBODIAN STYLE)
   ========================================================================== */
.certificate-container {
  width: 100%;
  background: #fffdf5;
  border-radius: 4px;
  box-sizing: border-box;
}

.cert-outer-border {
  border: 12px double #b45309;
  padding: 10px;
  border-radius: 4px;
}

.cert-inner-border {
  border: 2px solid #d97706;
  padding: 35px 40px;
  text-align: center;
  position: relative;
  background: radial-gradient(circle, #ffffff 60%, #fffbeb 100%);
}

.cert-corner-decor {
  position: absolute;
  width: 32px;
  height: 32px;
  border-color: #b45309;
}
.cert-corner-decor.tl { top: 8px; left: 8px; border-top: 3px solid; border-left: 3px solid; }
.cert-corner-decor.tr { top: 8px; right: 8px; border-top: 3px solid; border-right: 3px solid; }
.cert-corner-decor.bl { bottom: 8px; left: 8px; border-bottom: 3px solid; border-left: 3px solid; }
.cert-corner-decor.br { bottom: 8px; right: 8px; border-bottom: 3px solid; border-right: 3px solid; }

.cert-kingdom-title {
  font-family: var(--font-moul);
  font-size: 1.4rem;
  color: #78350f;
}
.cert-motto-title {
  font-family: var(--font-moul);
  font-size: 1.2rem;
  color: #78350f;
}
.cert-divider-emblem {
  color: #d97706;
  font-size: 0.9rem;
  margin: 6px 0;
  letter-spacing: 6px;
}
.cert-school-name {
  font-family: var(--font-moul);
  font-size: 1.15rem;
  color: #1e3a8a;
  margin-bottom: 20px;
}

.cert-title-kh {
  font-family: var(--font-moul);
  font-size: 2.5rem;
  color: #b45309;
  text-shadow: 1px 1px 2px rgba(180, 83, 9, 0.2);
  margin-bottom: 2px;
}
.cert-subtitle-en {
  font-family: 'Plus Jakarta Sans', sans-serif;
  letter-spacing: 4px;
  font-size: 0.9rem;
  font-weight: 700;
  color: #92400e;
  display: block;
  margin-bottom: 24px;
}

.cert-intro-text {
  font-size: 1.05rem;
  color: #334155;
  margin-bottom: 16px;
}

.cert-student-highlight {
  margin: 20px 0;
  padding: 16px;
  background: rgba(254, 243, 199, 0.4);
  border-radius: var(--radius-md);
}
.cert-student-name {
  font-family: var(--font-moul);
  font-size: 1.8rem;
  color: #1e3a8a;
}
.cert-student-latin {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  color: #475569;
  letter-spacing: 2px;
  margin-top: 4px;
}
.cert-student-meta {
  margin-top: 8px;
  font-size: 0.95rem;
  color: #64748b;
}

.cert-reason-text {
  font-size: 1.15rem;
  line-height: 1.8;
  color: #1e293b;
  max-width: 780px;
  margin: 0 auto 30px;
}

.cert-rank-highlight {
  font-family: var(--font-moul);
  font-size: 1.3rem;
  color: #b45309;
  background: #fef3c7;
  padding: 2px 10px;
  border-radius: 6px;
}

.cert-footer-signatures {
  display: flex;
  justify-content: space-between;
  margin-top: 30px;
  padding: 0 40px;
  text-align: center;
}
.cert-sig-col {
  width: 250px;
}
.cert-sig-role {
  font-size: 0.9rem;
  color: #475569;
}
.cert-sig-title {
  font-weight: 700;
  font-size: 1.05rem;
  color: #0f172a;
}
.cert-sig-date {
  font-size: 0.9rem;
  font-style: italic;
}
.cert-sig-seal-space {
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cert-school-seal-mock {
  width: 75px;
  height: 75px;
  border-radius: 50%;
  border: 2px dashed #dc2626;
  color: #dc2626;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  opacity: 0.8;
  transform: rotate(-10deg);
}
.cert-sig-signer {
  font-weight: 700;
  font-size: 1.05rem;
  color: #0f172a;
  border-top: 1px dotted #94a3b8;
  padding-top: 4px;
}

/* ==========================================================================
   TIMETABLE & TEACHERS MODULE
   ========================================================================== */
.timetable-table th, .timetable-table td {
  text-align: center;
  padding: 10px 8px;
}
.timetable-slot-cell {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 8px 6px;
  transition: all var(--transition-fast);
  cursor: pointer;
  position: relative;
}
[data-theme="dark"] .timetable-slot-cell {
  background: #172033;
}
.timetable-slot-cell:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.slot-hover-edit {
  position: absolute;
  top: 4px;
  right: 6px;
  font-size: 0.65rem;
  background: var(--primary);
  color: #fff;
  padding: 1px 5px;
  border-radius: 4px;
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.timetable-slot-cell:hover .slot-hover-edit {
  opacity: 1;
}

.timetable-slot-cell.empty-slot {
  background: transparent;
  border: 1px dashed var(--border-color);
  color: var(--text-muted);
}
.timetable-slot-cell.empty-slot:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}
.time-empty-text {
  font-size: 0.75rem;
  font-weight: 600;
}

.time-subj-name {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--primary);
}
.time-teacher-name {
  font-size: 0.76rem;
  color: var(--text-muted);
}

.teachers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}
.teacher-item-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}
.teacher-item-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
  background: var(--primary-light);
}
.teacher-item-card img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
}
.teacher-item-info .t-name {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--text-main);
}
.teacher-item-info .t-subj {
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 600;
}
.teacher-item-info .t-phone {
  font-size: 0.76rem;
  color: var(--text-muted);
}

/* ==========================================================================
   DISCIPLINE FEED
   ========================================================================== */
.discipline-filters {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  background: var(--bg-app);
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.filter-chip {
  padding: 6px 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}
.filter-chip.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.discipline-feed-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.discipline-record-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: all var(--transition-fast);
}
.discipline-record-card:hover {
  box-shadow: var(--shadow-md);
}

.disc-type-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}
.type-praise .disc-type-icon { background: var(--success-light); color: var(--success); }
.type-warning .disc-type-icon { background: var(--danger-light); color: var(--danger); }
.type-parent_contact .disc-type-icon { background: var(--info-light); color: var(--info); }

.disc-content {
  flex: 1;
}
.disc-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}
.disc-student-name {
  font-weight: 700;
  font-size: 0.95rem;
}
.disc-date {
  font-size: 0.78rem;
  color: var(--text-muted);
}
.disc-title {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-main);
  margin-bottom: 4px;
}
.disc-notes {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   SETTINGS & BACKUP CARDS
   ========================================================================== */
.settings-layout-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.backup-action-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px;
  border-radius: var(--radius-md);
  background: var(--bg-app);
  border: 1px solid var(--border-color);
}
.backup-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--bg-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}
.backup-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.backup-info p {
  font-size: 0.82rem;
  color: var(--text-muted);
}
.border-danger-soft {
  border-color: rgba(220, 38, 38, 0.25);
  background: rgba(220, 38, 38, 0.03);
}

/* ==========================================================================
   MODAL DIALOGS
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 650px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-color);
  animation: modalPop 0.22s ease forwards;
  overflow: hidden; /* Ensures footer and header border radius stay clean */
}

.modal-md { max-width: 500px; }
.modal-xl { max-width: 950px; }

/* Modal Form flex child handling */
.modal-container form {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  max-height: calc(88vh - 65px);
  overflow: hidden;
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  padding: 16px 22px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  background: var(--bg-surface);
}
.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-body {
  padding: 22px;
  overflow-y: auto !important;
  flex: 1;
  min-height: 0;
  -webkit-overflow-scrolling: touch;
}

.modal-footer {
  padding: 14px 22px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-app);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  flex-shrink: 0; /* Keep Save button ALWAYS visible and pinned at bottom */
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.05);
}

.form-avatar-picker-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
  padding: 12px;
  background: var(--bg-app);
  border-radius: var(--radius-md);
}
.form-avatar-preview {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 2px solid var(--primary);
  background: #fff;
}
.avatar-controls {
  flex: 1;
}

/* Student ID Card Render (Modal) */
.student-id-card-render {
  width: 400px;
  margin: 0 auto;
  background: linear-gradient(145deg, #ffffff 0%, #f0f4ff 100%);
  border-radius: var(--radius-lg);
  border: 2px solid #3b82f6;
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.2);
  overflow: hidden;
  color: #0f172a;
}
.id-card-header {
  background: var(--primary-gradient);
  color: #fff;
  padding: 14px 16px;
  text-align: center;
}
.id-school-title {
  font-family: var(--font-moul);
  font-size: 1rem;
}
.id-card-tag {
  font-size: 0.72rem;
  letter-spacing: 1px;
  color: #93c5fd;
}
.id-card-body {
  padding: 16px;
  display: flex;
  gap: 12px;
  align-items: center;
}
.id-photo-frame img {
  width: 80px;
  height: 100px;
  border-radius: var(--radius-sm);
  border: 2px solid #cbd5e1;
  object-fit: cover;
  background: #fff;
}
.id-info-list {
  flex: 1;
}
.id-name-kh {
  font-family: var(--font-khmer);
  font-weight: 800;
  font-size: 1.05rem;
  color: #1e3a8a;
}
.id-name-en {
  font-size: 0.75rem;
  font-weight: 700;
  color: #64748b;
  margin-bottom: 6px;
}
.id-meta-row {
  font-size: 0.8rem;
  margin-bottom: 3px;
}
.id-lbl {
  color: #64748b;
}
.id-qr-holder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4px;
  background: #fff;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-sm);
}
.qr-sub {
  font-size: 0.65rem;
  color: #64748b;
  font-weight: 700;
  margin-top: 2px;
}
.id-card-footer {
  padding: 10px 16px;
  background: #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.id-barcode-mock {
  font-family: monospace;
  font-size: 0.85rem;
  font-weight: 700;
}
.barcode-sub {
  display: block;
  font-size: 0.65rem;
  color: #64748b;
}
.id-stamp-circle {
  font-size: 0.65rem;
  color: #dc2626;
  border: 1px dashed #dc2626;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   TOAST NOTIFICATIONS
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--bg-surface);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 300px;
  animation: slideInRight 0.25s ease forwards;
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(50px); }
  to { opacity: 1; transform: translateX(0); }
}

.toast.toast-success { border-left: 4px solid var(--success); }
.toast.toast-error   { border-left: 4px solid var(--danger); }
.toast.toast-info    { border-left: 4px solid var(--info); }
.toast.toast-warning { border-left: 4px solid var(--warning); }

.toast-icon { font-size: 1.2rem; }
.toast-success .toast-icon { color: var(--success); }
.toast-error .toast-icon   { color: var(--danger); }
.toast-info .toast-icon    { color: var(--info); }
.toast-warning .toast-icon { color: var(--warning); }

.toast-msg {
  flex: 1;
  font-size: 0.88rem;
  font-weight: 500;
}

/* ==========================================================================
   PRINT STYLES FOR OFFICIAL PAPERS
   ========================================================================== */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }

  .sidebar,
  .top-navbar,
  .report-filter-bar,
  .report-type-switcher,
  .nav-actions,
  .btn,
  .toast-container,
  .modal-overlay {
    display: none !important;
  }

  .main-wrapper {
    margin-left: 0 !important;
    padding: 0 !important;
    background: transparent !important;
  }

  .content-container {
    padding: 0 !important;
  }

  .tab-content {
    display: none !important;
  }

  #tab-reports, #tab-semester {
    display: block !important;
  }

  .content-card {
    border: none !important;
    box-shadow: none !important;
    margin: 0 !important;
    background: transparent !important;
  }

  .print-preview-container {
    background: transparent !important;
    padding: 0 !important;
  }

  .report-paper-view {
    width: 100% !important;
    min-height: auto !important;
    box-shadow: none !important;
    padding: 20px 0 !important;
    margin: 0 auto !important;
    page-break-after: always;
  }

  .official-table th, .official-table td {
    border: 1px solid #000 !important;
    color: #000 !important;
  }

/* ==========================================================================
   CLASSROOM SEATING PLAN MODULE
   ========================================================================== */
.blackboard-area {
  margin-bottom: 24px;
  text-align: center;
}
.blackboard-bar {
  display: inline-block;
  background: #1e293b;
  color: #f8fafc;
  padding: 12px 32px;
  border-radius: var(--radius-md);
  font-family: var(--font-moul);
  font-size: 1rem;
  letter-spacing: 1px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  border: 2px solid #334155;
}
[data-theme="dark"] .blackboard-bar {
  background: #0f172a;
  border-color: #1e293b;
}

.classroom-columns-wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) {
  .classroom-columns-wrap {
    grid-template-columns: 1fr;
  }
}

.seating-column {
  background: var(--bg-app);
  border-radius: var(--radius-lg);
  padding: 16px;
  border: 1px solid var(--border-color);
}
.column-header {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--primary);
  text-align: center;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 2px dashed var(--border-color);
}

.desks-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.desk-unit {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}
.desk-unit:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.desk-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-align: center;
}

.desk-seats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.seat-slot {
  border-radius: var(--radius-sm);
  padding: 8px;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-fast);
  border: 1px solid var(--border-color);
  position: relative;
  min-height: 85px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.seat-slot:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.seat-slot.empty-seat {
  background: var(--bg-app);
  border-style: dashed;
  color: var(--text-muted);
}
.seat-slot.empty-seat:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.seat-slot.occupied-seat {
  background: var(--bg-surface);
}
.seat-slot.gender-female {
  border-left: 4px solid #ec4899;
}
.seat-slot.gender-male {
  border-left: 4px solid #3b82f6;
}

.seat-top-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  font-size: 0.7rem;
  margin-bottom: 4px;
}
.seat-num {
  font-weight: 700;
  color: var(--text-muted);
}
.seat-rank-tag {
  background: var(--bg-app);
  padding: 1px 4px;
  border-radius: 4px;
  font-size: 0.65rem;
  font-weight: 700;
}
.seat-rank-tag.rank-top {
  background: #fef3c7;
  color: #b45309;
}

.seat-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  margin-bottom: 4px;
}
.seat-name {
  font-size: 0.82rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}
.seat-sub {
  font-size: 0.68rem;
  color: var(--text-muted);
}

/* Seating Modal Profile */
.seating-modal-profile .profile-header-box {
  display: flex;
  align-items: center;
  gap: 16px;
}
.avatar-lg {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: 700;
}
.avatar-female {
  background: #fce7f3;
  color: #db2777;
}
.avatar-male {
  background: #dbeafe;
  color: #2563eb;
}
.info-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.seating-action-btns {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

/* ==========================================================================
   QUESTION BANK & EXAM GENERATOR MODULE
   ========================================================================== */
.question-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.question-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px;
  transition: all var(--transition-fast);
}
.question-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.qcard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.q-subject-pill {
  background: var(--primary-light);
  color: var(--primary);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.8rem;
  margin-right: 8px;
}
.q-points-tag {
  font-weight: 700;
  color: #f59e0b;
  font-size: 0.85rem;
}

.q-text {
  font-size: 0.96rem;
  line-height: 1.6;
  margin-bottom: 12px;
}
.q-num {
  font-weight: 700;
  color: var(--primary);
}

.q-options-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
}
@media (max-width: 600px) {
  .q-options-list {
    grid-template-columns: 1fr;
  }
}
.q-opt-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-app);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
  border: 1px solid var(--border-color);
}
.q-opt-item.opt-correct {
  background: #f0fdf4;
  border-color: #86efac;
  color: #166534;
  font-weight: 600;
}
.opt-label {
  font-weight: 700;
}

.q-answer-box {
  background: #f0fdf4;
  border: 1px solid #86efac;
  color: #166534;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  margin-bottom: 12px;
}

.qcard-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  padding-top: 10px;
}
.q-select-chk {
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

/* Official Exam Sheet Print Layout */
.official-exam-sheet {
  background: #ffffff;
  color: #0f172a;
  padding: 40px;
  font-family: 'Kantumruy Pro', 'Siemreap', sans-serif;
}
.exam-top-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
  font-size: 0.88rem;
}
.exam-header-center {
  text-align: center;
}
.moul-sub {
  font-family: var(--font-moul);
  font-size: 0.95rem;
}
.kh-decorative-bar {
  letter-spacing: 4px;
  color: #d97706;
}

.exam-title-banner {
  text-align: center;
  margin: 15px 0 20px;
}
.exam-sub-title {
  font-size: 1.1rem;
  margin-top: 4px;
}

.student-exam-info-fill {
  display: flex;
  justify-content: space-between;
  background: #f8fafc;
  border: 1px dashed #94a3b8;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  font-size: 0.88rem;
}

.exam-body-questions {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.exam-item-print {
  page-break-inside: avoid;
}
.exam-item-title {
  font-size: 0.96rem;
  line-height: 1.6;
  margin-bottom: 8px;
}
.exam-opts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-left: 20px;
}
.exam-answer-line-space {
  height: 35px;
  border-bottom: 1px dotted #cbd5e1;
  margin-top: 8px;
}
.exam-footer-note {
  margin-top: 30px;
  font-size: 0.82rem;
  color: #64748b;
  text-align: center;
  border-top: 1px solid #e2e8f0;
  padding-top: 10px;
}

/* ==========================================================================
   STUDENT COUNCIL & STUDY CLUBS MODULE
   ========================================================================== */
.council-roles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.council-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}
.council-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.council-gold { border-left: 5px solid #f59e0b; }
.council-blue { border-left: 5px solid #3b82f6; }
.council-red { border-left: 5px solid #ef4444; }
.council-green { border-left: 5px solid #10b981; }
.council-purple { border-left: 5px solid #8b5cf6; }

.council-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  background: var(--bg-app);
}
.council-gold .council-card-icon { color: #f59e0b; background: #fef3c7; }
.council-blue .council-card-icon { color: #3b82f6; background: #dbeafe; }
.council-red .council-card-icon { color: #ef4444; background: #fee2e2; }
.council-green .council-card-icon { color: #10b981; background: #d1fae5; }
.council-purple .council-card-icon { color: #8b5cf6; background: #ede9fe; }

.council-card-info {
  flex: 1;
}
.council-role-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
}
.council-student-name {
  font-size: 1rem;
  color: var(--text-main);
  margin: 2px 0;
}
.council-student-sub {
  font-size: 0.75rem;
}

/* Clubs Grid */
.study-clubs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.club-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}
.club-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.club-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
}
.club-title {
  font-size: 1.1rem;
  margin-bottom: 2px;
}
.club-sub-en {
  font-size: 0.78rem;
  font-weight: 600;
}

.club-desc {
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--text-muted);
}
.club-meta-tags {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.82rem;
  background: var(--bg-app);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
}

.club-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
}

/* Textbooks overview stats */
.tb-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
@media (max-width: 768px) {
  .tb-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ==========================================================================
   CLASSROOM INTERACTIVE QUIZ & LEADERBOARD
   ========================================================================== */
.quiz-lobby-box {
  max-width: 650px;
  margin: 0 auto;
}
.quiz-timer-box {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 800;
  border: 3px solid var(--primary);
  transition: all var(--transition-fast);
}
.quiz-timer-box.timer-urgent {
  background: #fee2e2;
  color: #dc2626;
  border-color: #dc2626;
  animation: pulseUrgent 0.6s infinite alternate;
}
@keyframes pulseUrgent {
  from { transform: scale(1); }
  to { transform: scale(1.12); }
}

.quiz-question-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 24px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  text-align: center;
}
.quiz-q-title {
  font-size: 1.35rem;
  line-height: 1.6;
  color: var(--text-main);
}

.quiz-options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 650px) {
  .quiz-options-grid {
    grid-template-columns: 1fr;
  }
}

.quiz-option-card {
  padding: 20px;
  border-radius: var(--radius-lg);
  border: 2px solid var(--border-color);
  background: var(--bg-surface);
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
}
.quiz-option-card:hover:not(:disabled) {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.quiz-opt-letter {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.quiz-opt-blue .quiz-opt-letter { background: #dbeafe; color: #2563eb; }
.quiz-opt-green .quiz-opt-letter { background: #d1fae5; color: #059669; }
.quiz-opt-amber .quiz-opt-letter { background: #fef3c7; color: #d97706; }
.quiz-opt-purple .quiz-opt-letter { background: #ede9fe; color: #7c3aed; }

.quiz-opt-text {
  font-weight: 600;
  font-size: 1.05rem;
}

.quiz-option-card.opt-is-correct {
  background: #dcfce7 !important;
  border-color: #22c55e !important;
  color: #15803d !important;
  transform: scale(1.02);
}
.quiz-option-card.opt-is-wrong {
  background: #fee2e2 !important;
  border-color: #ef4444 !important;
  color: #b91c1c !important;
  opacity: 0.7;
}

/* ==========================================================================
   DIGITAL CLASS ELECTION
   ========================================================================== */
.election-event-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.election-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
}
.candidates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}
.candidate-card {
  background: var(--bg-app);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 18px;
  transition: all var(--transition-fast);
  position: relative;
}
.candidate-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}
.candidate-card.candidate-winner {
  border-color: #f59e0b;
  background: linear-gradient(180deg, rgba(254, 243, 199, 0.3) 0%, var(--bg-app) 100%);
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.15);
}

.candidate-header-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.candidate-avatar-wrap {
  position: relative;
}
.candidate-num {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
}
.winner-crown-badge {
  position: absolute;
  top: -10px;
  right: -8px;
  font-size: 1.1rem;
}
.cand-name {
  font-size: 1.05rem;
  margin-bottom: 2px;
}
.cand-sub {
  font-size: 0.75rem;
}

/* ==========================================================================
   FEATURE 1: GAMIFICATION & BADGES
   ========================================================================== */
.badges-overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}
.badge-card-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: all var(--transition-fast);
}
.badge-card-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.badge-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
}
.badge-card-info h4 {
  margin: 0 0 2px 0;
  font-size: 0.95rem;
}
.badge-card-info p {
  margin: 0;
  font-size: 0.78rem;
}
.badge-pts {
  display: inline-block;
  font-weight: 700;
  color: #f59e0b;
  font-size: 0.85rem;
  margin-bottom: 2px;
}
.podium-stars {
  font-size: 0.95rem;
  font-weight: 700;
  color: #f59e0b;
  margin: 4px 0;
}
.badge-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 6px;
  background: var(--bg-app);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
}
.award-choices-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 10px;
}
.award-choice-label {
  cursor: pointer;
  display: block;
}
.award-choice-label input {
  display: none;
}
.award-choice-box {
  background: var(--bg-surface);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px;
  text-align: center;
  transition: all var(--transition-fast);
}
.award-choice-label.selected .award-choice-box,
.award-choice-label input:checked + .award-choice-box {
  background: #eff6ff;
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}
.award-choice-box .choice-icon {
  font-size: 1.5rem;
  display: block;
  margin-bottom: 4px;
}
.award-choice-box .choice-name {
  font-size: 0.8rem;
  font-weight: 700;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.award-choice-box .choice-pts {
  font-size: 0.75rem;
  color: #f59e0b;
  font-weight: 700;
}

/* ==========================================================================
   FEATURE 2: CLASSROOM FUND & TREASURY
   ========================================================================== */
.fund-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

/* ==========================================================================
   FEATURE 3: TEACHER LOGBOOK
   ========================================================================== */
.logbook-entry-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 20px;
  transition: all var(--transition-fast);
}
.logbook-entry-card:hover {
  box-shadow: var(--shadow-sm);
  border-color: var(--primary);
}
.logbook-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 12px;
}
.logbook-title-box {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logbook-meta-chips {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logbook-body-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}
.log-info-block {
  background: var(--bg-app);
  border-radius: var(--radius-md);
  padding: 12px;
  border: 1px solid var(--border-color);
}
.log-info-block .block-lbl {
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.log-info-block .block-val {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text-primary);
}

/* ==========================================================================
   FEATURE 4: E-LIBRARY & RESOURCE HUB
   ========================================================================== */
.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
}
.resource-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-fast);
}
.resource-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}
.resource-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.res-type-icon {
  font-size: 1.8rem;
}
.resource-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.4;
}
.resource-desc {
  font-size: 0.82rem;
  line-height: 1.4;
  margin-bottom: 14px;
}
.res-meta-line {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  padding-top: 10px;
  border-top: 1px solid var(--border-color);
}
.res-btn-group {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
}

/* ==========================================================================
   FEATURE 5: BULK TELEGRAM AUTO SENDER
   ========================================================================== */
.bulk-progress-wrap {
  background: var(--bg-app);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 16px;
}
.bulk-progress-bar-container {
  height: 12px;
  background: #e2e8f0;
  border-radius: 6px;
  overflow: hidden;
  margin: 10px 0;
}
.bulk-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #0284c7, #38bdf8);
  width: 0%;
  transition: width 0.2s ease-in-out;
}
.bulk-delivery-log-box {
  max-height: 200px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px;
  background: var(--bg-surface);
}
.bulk-log-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.83rem;
}
.bulk-log-item:last-child {
  border-bottom: none;
}

/* ==========================================================================
   FEATURE 6: AI KHMER VOICE ASSISTANT HUD
   ========================================================================== */
.voice-hud-container {
  text-align: center;
  padding: 20px;
}
.voice-mic-toggle-btn {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: #fff;
  font-size: 2rem;
  border: none;
  cursor: pointer;
  box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4);
  transition: all 0.3s ease;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.voice-mic-toggle-btn.listening {
  animation: pulse-mic 1.5s infinite;
  background: linear-gradient(135deg, #10b981, #059669);
  box-shadow: 0 0 0 16px rgba(16, 185, 129, 0.2);
}
@keyframes pulse-mic {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1.05); box-shadow: 0 0 0 20px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}
.voice-waves-visualizer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  height: 36px;
  margin-bottom: 16px;
}
.voice-wave-bar {
  width: 5px;
  height: 8px;
  background: var(--primary);
  border-radius: 3px;
  transition: height 0.15s ease;
}
.voice-waves-visualizer.active .voice-wave-bar {
  animation: wave-bounce 1s infinite ease-in-out;
}
.voice-waves-visualizer.active .voice-wave-bar:nth-child(1) { animation-delay: 0.1s; }
.voice-waves-visualizer.active .voice-wave-bar:nth-child(2) { animation-delay: 0.2s; }
.voice-waves-visualizer.active .voice-wave-bar:nth-child(3) { animation-delay: 0.3s; }
.voice-waves-visualizer.active .voice-wave-bar:nth-child(4) { animation-delay: 0.4s; }
.voice-waves-visualizer.active .voice-wave-bar:nth-child(5) { animation-delay: 0.5s; }
@keyframes wave-bounce {
  0%, 100% { height: 8px; }
  50% { height: 32px; background: #06b6d4; }
}
.voice-live-transcript {
  background: var(--bg-app);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 14px;
  font-size: 1.05rem;
  font-weight: 600;
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}
.voice-hints-list {
  text-align: left;
  background: var(--bg-app);
  border-radius: var(--radius-md);
  padding: 14px;
  font-size: 0.82rem;
  margin-top: 14px;
}