/* ==========================================================================
   MP Testing Platform - Modern Liquid Glass Stylesheet
   Theme: Contemporary Electric Indigo & Deep Obsidian Slate
   Full Support: Light Mode & Dark Mode with Smooth Transitions
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Lalezar&family=Vazirmatn:wght@300;400;500;600;700;800;900&display=swap');

/* ---------------- Lalezar Persian Display Font (CDN Fallback) ---------------- */
@font-face {
  font-family: 'Lalezar';
  src: url('https://cdn.jsdelivr.net/gh/rastikerdar/lalezar-font@v1.0.0/dist/lalezar.woff2') format('woff2'),
       url('https://cdn.jsdelivr.net/gh/rastikerdar/lalezar-font@v1.0.0/dist/lalezar.woff') format('woff');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

/* ---------------- Vazirmatn Primary Persian Font (CDN Fallback) ---------------- */
@font-face {
  font-family: 'Vazirmatn';
  src: url('https://cdn.jsdelivr.net/gh/rastikerdar/vazirmatn@v33.003/fonts/webfonts/Vazirmatn-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Vazirmatn';
  src: url('https://cdn.jsdelivr.net/gh/rastikerdar/vazirmatn@v33.003/fonts/webfonts/Vazirmatn-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ---------------- Theme Variables ---------------- */
:root, [data-theme="light"] {
  /* Core Brand Colors (Modern Electric Indigo) */
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: rgba(79, 70, 229, 0.08);
  --primary-glow: rgba(79, 70, 229, 0.22);
  --primary-gradient: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  --primary-subtle: rgba(79, 70, 229, 0.04);
  
  /* Harmonious Modern Accent Palette */
  --accent-indigo: #4f46e5;
  --accent-indigo-light: rgba(79, 70, 229, 0.09);
  --accent-emerald: #10b981;
  --accent-emerald-light: rgba(16, 185, 129, 0.1);
  --accent-rose: #f43f5e;
  --accent-rose-light: rgba(244, 63, 94, 0.1);
  --accent-amber: #f59e0b;
  --accent-amber-light: rgba(245, 158, 11, 0.1);
  --accent-sky: #0284c7;
  --accent-sky-light: rgba(2, 132, 199, 0.1);
  --accent-purple: #8b5cf6;
  --accent-purple-light: rgba(139, 92, 246, 0.1);
  --accent-gold: #f59e0b;
  --accent-gold-light: rgba(245, 158, 11, 0.12);

  --secondary: #64748b;
  --success: #10b981;
  --success-light: rgba(16, 185, 129, 0.1);
  --danger: #f43f5e;
  --danger-light: rgba(244, 63, 94, 0.1);
  --warning: #f59e0b;
  --warning-light: rgba(245, 158, 11, 0.1);
  --info: #0284c7;
  --info-light: rgba(2, 132, 199, 0.1);

  /* Modern Ambient Liquid Glass Surfaces (Light) */
  --bg-page: 
    radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.05) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(14, 165, 233, 0.04) 0px, transparent 50%),
    linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  --bg-card: rgba(255, 255, 255, 0.94);
  --bg-card-hover: #ffffff;
  --glass-border: rgba(226, 232, 240, 0.9);
  --glass-border-subtle: rgba(79, 70, 229, 0.12);
  --glass-shadow: 0 1px 3px rgba(15, 23, 42, 0.04), 0 4px 12px rgba(15, 23, 42, 0.03);
  --glass-shadow-lg: 0 10px 25px -5px rgba(15, 23, 42, 0.06), 0 8px 10px -6px rgba(15, 23, 42, 0.02);
  --glass-blur: blur(16px);
  --glass-shine: inset 0 1px 0 rgba(255, 255, 255, 0.8);

  --text-main: #0f172a;
  --text-muted: #64748b;
  --border-color: rgba(226, 232, 240, 0.9);
  --input-bg: #ffffff;
  --nav-bg: rgba(255, 255, 255, 0.88);
  --code-bg: rgba(79, 70, 229, 0.06);
  --table-th-bg: rgba(241, 245, 249, 0.7);
  --table-tr-hover: rgba(79, 70, 229, 0.03);

  --border-radius-sm: 8px;
  --border-radius: 14px;
  --border-radius-lg: 20px;
}

[data-theme="dark"] {
  /* Signature MP Testing High-Tech Obsidian Slate & Electric Indigo */
  --primary: #6366f1;
  --primary-hover: #818cf8;
  --primary-light: rgba(99, 102, 241, 0.15);
  --primary-glow: rgba(99, 102, 241, 0.35);
  --primary-gradient: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  --primary-subtle: rgba(99, 102, 241, 0.06);

  --accent-indigo: #818cf8;
  --accent-indigo-light: rgba(129, 140, 248, 0.16);
  --accent-emerald: #34d399;
  --accent-emerald-light: rgba(52, 211, 153, 0.15);
  --accent-rose: #fb7185;
  --accent-rose-light: rgba(251, 113, 133, 0.15);
  --accent-amber: #fbbf24;
  --accent-amber-light: rgba(251, 191, 36, 0.15);
  --accent-sky: #38bdf8;
  --accent-sky-light: rgba(56, 189, 248, 0.15);
  --accent-purple: #c084fc;
  --accent-purple-light: rgba(192, 132, 252, 0.15);
  --accent-gold: #fbbf24;
  --accent-gold-light: rgba(251, 191, 36, 0.15);

  --secondary: #94a3b8;
  --success: #34d399;
  --success-light: rgba(52, 211, 153, 0.16);
  --danger: #f87171;
  --danger-light: rgba(248, 113, 113, 0.16);
  --warning: #fbbf24;
  --warning-light: rgba(251, 191, 36, 0.16);
  --info: #38bdf8;
  --info-light: rgba(56, 189, 248, 0.16);

  /* Modern Ambient Liquid Glass Surfaces (Deep Midnight Navy & Slate Noir) */
  --bg-page: 
    radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.1) 0px, transparent 55%),
    radial-gradient(at 100% 10%, rgba(56, 189, 248, 0.06) 0px, transparent 45%),
    linear-gradient(180deg, #0b0f19 0%, #0e1320 50%, #090c14 100%);
  --bg-card: rgba(17, 24, 39, 0.78);
  --bg-card-hover: rgba(24, 33, 53, 0.9);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-subtle: rgba(99, 102, 241, 0.2);
  --glass-shadow: 0 8px 30px rgba(0, 0, 0, 0.65);
  --glass-shadow-lg: 0 16px 45px rgba(0, 0, 0, 0.75), 0 0 25px rgba(99, 102, 241, 0.15);
  --glass-blur: blur(20px) saturate(180%);
  --glass-shine: inset 0 1px 0 rgba(255, 255, 255, 0.07);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --border-color: rgba(255, 255, 255, 0.08);
  --input-bg: rgba(15, 23, 42, 0.75);
  --nav-bg: rgba(11, 15, 25, 0.85);
  --code-bg: rgba(99, 102, 241, 0.1);
  --table-th-bg: rgba(255, 255, 255, 0.03);
  --table-tr-hover: rgba(99, 102, 241, 0.05);
}

/* ---------------- Alpine.js Cloak ---------------- */
[x-cloak] { display: none !important; }

/* ---------------- Base Reset & Body ---------------- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  transition: background-color 0.25s ease, border-color 0.25s ease, color 0.2s ease, box-shadow 0.25s ease;
}

body {
  font-family: 'Vazirmatn', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-page);
  background-attachment: fixed;
  color: var(--text-main);
  direction: rtl;
  text-align: right;
  line-height: 1.65;
  font-size: 15px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---------------- Lalezar Persian Display Headings ---------------- */
.font-lalezar,
.lalezar-title,
.hero-title,
.brand-title,
.page-header-title,
.section-title-lalezar {
  font-family: 'Lalezar', 'Vazirmatn', cursive, sans-serif !important;
  font-weight: normal !important;
  letter-spacing: 0.5px;
}

button, input, select, textarea {
  font-family: inherit;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  color: var(--primary-hover);
}

/* ---------------- Liquid Glass Container & Layout ---------------- */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.main-content {
  flex: 1;
  padding-top: 2rem;
  padding-bottom: 3.5rem;
}

/* ---------------- Minimal Top Header (Liquid Frosted Glass) ---------------- */
.navbar {
  background: var(--nav-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  position: sticky;
  top: 0;
  z-index: 100;
  height: 68px;
}

.navbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  padding: 0 20px;
}

.navbar-brand-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
}

.sidebar-toggle-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--glass-border);
  background: var(--bg-card);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--glass-shadow);
}

.sidebar-toggle-btn:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  transform: scale(1.05);
}

.sidebar-toggle-btn:active {
  transform: scale(0.95);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  text-decoration: none;
}

.navbar-brand .logo-icon {
  width: 42px;
  height: 42px;
  background: var(--primary-gradient);
  color: white;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.navbar-brand .brand-logo-img {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--glass-border-subtle);
  box-shadow: 0 4px 14px var(--primary-glow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.navbar-brand:hover .brand-logo-img {
  transform: scale(1.05);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.brand-title {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-title .brand-name {
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: -0.01em;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-card);
  padding: 4px 12px 4px 6px;
  border-radius: 30px;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.user-avatar-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  color: #fff;
  font-weight: 800;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.user-chip-text {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
}

.user-chip-name {
  max-width: 140px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn-logout-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  background: transparent;
  text-decoration: none;
  transition: all 0.2s;
  font-size: 0.82rem;
}

.btn-logout-icon:hover {
  background: var(--danger-light);
  color: var(--danger);
  border-color: var(--danger);
}

.nav-auth-btns {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ---------------- App Layout & Side Navigation ---------------- */
.app-layout {
  display: flex;
  flex: 1;
  min-height: calc(100vh - 68px);
  position: relative;
}

.app-sidebar {
  width: 270px;
  flex-shrink: 0;
  background: var(--nav-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-left: 1px solid var(--glass-border);
  position: sticky;
  top: 68px;
  height: calc(100vh - 68px);
  overflow-y: auto;
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.03);
  z-index: 95;
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
}

.app-layout.sidebar-collapsed .app-sidebar {
  width: 0;
  padding: 0;
  border-left: none;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.sidebar-user-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  margin-bottom: 20px;
  box-shadow: var(--glass-shadow);
}

.sidebar-user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.sidebar-user-details {
  flex: 1;
  min-width: 0;
}

.sidebar-user-name {
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-role {
  margin-top: 3px;
  display: flex;
  align-items: center;
}

.sidebar-nav-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.sidebar-nav-group {
  display: flex;
  flex-direction: column;
}

.sidebar-nav-title {
  font-size: 0.76rem;
  font-weight: 800;
  color: var(--text-muted);
  padding: 0 10px 8px 10px;
  display: flex;
  align-items: center;
  gap: 6px;
  letter-spacing: 0.3px;
}

.sidebar-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-nav-item {
  margin: 0;
}

.sidebar-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: var(--border-radius-sm);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-main);
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid transparent;
}

.sidebar-nav-link .link-content {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-nav-link .link-icon {
  width: 20px;
  font-size: 1rem;
  color: var(--primary);
  text-align: center;
  transition: transform 0.2s, color 0.2s;
}

.sidebar-nav-link:hover {
  background: var(--primary-light);
  color: var(--primary);
  transform: translateX(-3px);
}

.sidebar-nav-link:hover .link-icon {
  transform: scale(1.15);
}

.sidebar-nav-link.active {
  background: var(--primary-gradient);
  color: #ffffff !important;
  font-weight: 700;
  box-shadow: 0 4px 14px var(--primary-glow);
  border-color: rgba(255, 255, 255, 0.15);
}

.sidebar-nav-link.active .link-icon {
  color: #ffffff !important;
}

.sidebar-footer {
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
  margin-top: 16px;
}

.app-content-wrapper {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
}

.no-sidebar .app-sidebar {
  display: none !important;
}

/* ---------------- Theme Switcher Button ---------------- */
.theme-toggle-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--glass-shadow);
  font-size: 1.1rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-toggle-btn:hover {
  transform: rotate(20deg) scale(1.08);
  box-shadow: 0 0 16px var(--primary-glow);
  border-color: var(--primary);
}

/* ---------------- Liquid Glass Cards ---------------- */
.card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--glass-shadow), var(--glass-shine);
  padding: 26px;
  margin-bottom: 24px;
  position: relative;
}

.card-hover:hover {
  transform: translateY(-3px);
  background: var(--bg-card-hover);
  box-shadow: var(--glass-shadow-lg), var(--glass-shine);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
}

/* ---------------- Modern Buttons ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--border-radius);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary-gradient);
  color: #ffffff !important;
  box-shadow: 0 4px 16px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--primary-glow);
  filter: brightness(1.1);
}

[data-theme="dark"] .btn-primary {
  color: #ffffff !important;
}

[data-theme="dark"] .btn-primary:hover {
  color: #ffffff !important;
}

[data-theme="dark"] .btn-outline-primary:hover {
  color: #ffffff !important;
}

.btn-secondary {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  color: var(--text-main);
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

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

.btn-outline-primary {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
}

.btn-outline-primary:hover {
  background: var(--primary-gradient);
  color: #ffffff;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-danger {
  background: var(--danger);
  color: white;
}

.btn-danger-outline {
  background: transparent;
  border: 1px solid rgba(220, 38, 38, 0.4);
  color: var(--danger);
}

.btn-danger-outline:hover {
  background: var(--danger-light);
}

.btn-indigo {
  background: linear-gradient(135deg, #4f46e5 0%, #6366f1 100%);
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.btn-indigo:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
  filter: brightness(1.08);
}

.btn-emerald {
  background: linear-gradient(135deg, #059669 0%, #10b981 100%);
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.btn-emerald:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.45);
  filter: brightness(1.08);
}

.btn-amber {
  background: linear-gradient(135deg, #d97706 0%, #f59e0b 100%);
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
}

.btn-amber:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.45);
  filter: brightness(1.08);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.85rem;
  border-radius: var(--border-radius-sm);
}

.btn-lg {
  padding: 14px 30px;
  font-size: 1.1rem;
  border-radius: var(--border-radius-lg);
}

.btn-icon {
  width: 38px;
  height: 38px;
  padding: 0;
  border-radius: var(--border-radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-icon:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
}

/* ---------------- Form Elements ---------------- */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-main);
  font-size: 0.95rem;
}

.form-hint {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-main);
  background: var(--input-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  transition: all 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

textarea.form-control {
  min-height: 100px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

/* ---------------- Glassmorphism Toggle Switch ---------------- */
.toggle-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  margin-bottom: 16px;
  box-shadow: var(--glass-shine);
}

.toggle-label-wrap {
  display: flex;
  flex-direction: column;
}

.toggle-title {
  font-weight: 700;
  color: var(--text-main);
  font-size: 0.95rem;
}

.toggle-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.switch {
  position: relative;
  display: inline-block;
  width: 52px;
  height: 28px;
  flex-shrink: 0;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(148, 163, 184, 0.4);
  transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 34px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 22px;
  width: 22px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 50%;
  box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

input:checked + .slider {
  background: var(--primary-gradient);
}

input:checked + .slider:before {
  transform: translateX(24px);
}

/* ---------------- Alerts with Glass Glow ---------------- */
.alert {
  padding: 14px 20px;
  border-radius: var(--border-radius);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  backdrop-filter: var(--glass-blur);
}

.alert-success {
  background: var(--success-light);
  color: var(--success);
  border: 1px solid var(--success);
}

.alert-error {
  background: var(--danger-light);
  color: var(--danger);
  border: 1px solid var(--danger);
}

.alert-info {
  background: var(--info-light);
  color: var(--info);
  border: 1px solid var(--info);
}

/* ---------------- Badges & Tags ---------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 700;
  backdrop-filter: blur(8px);
}

.badge-primary {
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid var(--border-color);
}

.badge-rose {
  background: var(--accent-rose-light);
  color: var(--accent-rose);
  border: 1px solid rgba(225, 29, 72, 0.2);
}

.badge-indigo {
  background: var(--accent-indigo-light);
  color: var(--accent-indigo);
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.badge-emerald {
  background: var(--accent-emerald-light);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-amber {
  background: var(--accent-amber-light);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-sky {
  background: var(--accent-sky-light);
  color: var(--accent-sky);
  border: 1px solid rgba(14, 165, 233, 0.2);
}

.badge-purple {
  background: var(--accent-purple-light);
  color: var(--accent-purple);
  border: 1px solid rgba(139, 92, 246, 0.2);
}

.badge-success {
  background: var(--success-light);
  color: var(--success);
}

.badge-danger {
  background: var(--danger-light);
  color: var(--danger);
}

.badge-warning {
  background: var(--warning-light);
  color: var(--warning);
}

.badge-neutral {
  background: var(--bg-card);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 16px;
  font-size: 0.8rem;
  font-weight: 600;
  direction: ltr !important;
  unicode-bidi: isolate;
}

/* ---------------- Text Direction & Language Auto Alignment ---------------- */
[dir="ltr"], .text-ltr {
  direction: ltr !important;
  text-align: left !important;
}

[dir="rtl"], .text-rtl {
  direction: rtl !important;
  text-align: right !important;
}

[dir="auto"], .auto-dir {
  unicode-bidi: plaintext;
  text-align: start;
}

.question-prompt[dir="ltr"] {
  direction: ltr !important;
  text-align: left !important;
}

.question-prompt[dir="rtl"] {
  direction: rtl !important;
  text-align: right !important;
}

.fill-blanks-container[dir="ltr"] {
  direction: ltr !important;
  text-align: left !important;
}

.fill-blanks-container[dir="rtl"] {
  direction: rtl !important;
  text-align: right !important;
}

/* ---------------- Question Types Picker Grid (Image 1) ---------------- */
.qtype-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.qtype-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: var(--glass-shadow);
}

.qtype-item:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
  background: var(--bg-card-hover);
  box-shadow: var(--glass-shadow-lg);
}

.qtype-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-main);
}

.qtype-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.25rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.icon-single { background: linear-gradient(135deg, #4f46e5 0%, #6366f1 100%); }
.icon-multi { background: linear-gradient(135deg, #059669 0%, #10b981 100%); }
.icon-short { background: linear-gradient(135deg, #d97706 0%, #f59e0b 100%); }
.icon-blank { background: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%); }
.icon-truefalse { background: linear-gradient(135deg, #0284c7 0%, #38bdf8 100%); }
.icon-matching { background: linear-gradient(135deg, #0d9488 0%, #14b8a6 100%); }
.icon-essay { background: linear-gradient(135deg, #e11d48 0%, #be123c 100%); }

/* ---------------- Liquid Glass Modals ---------------- */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 6, 11, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
}

.modal-backdrop.show {
  opacity: 1;
  visibility: visible;
}

.modal-window {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  width: 100%;
  max-width: 740px;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--glass-shadow-lg);
  transform: scale(0.95);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-backdrop.show .modal-window {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  background: rgba(128, 0, 32, 0.03);
}

/* ---------------- Rich Toolbar (WYSIWYG) ---------------- */
.editor-toolbar {
  display: flex;
  gap: 6px;
  padding: 8px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-bottom: none;
  border-top-left-radius: var(--border-radius);
  border-top-right-radius: var(--border-radius);
}

.tool-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 700;
}

.tool-btn:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.editor-textarea {
  border-top-left-radius: 0 !important;
  border-top-right-radius: 0 !important;
}

.editor-visual-box {
  min-height: 130px;
  max-height: 380px;
  overflow-y: auto;
  padding: 12px 14px;
  line-height: 1.8;
  outline: none;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  border-top-left-radius: 0 !important;
  border-top-right-radius: 0 !important;
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.editor-visual-box:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.editor-visual-box:empty:before {
  content: attr(placeholder);
  color: var(--text-muted);
  pointer-events: none;
  display: block;
}

/* ---------------- Options Dynamic Rows (Image 5) ---------------- */
.option-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  background: var(--bg-card);
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--glass-shine);
}

.option-row input.form-control {
  flex: 1;
  min-width: 0;
}

.option-correct-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.btn-trash {
  width: 38px;
  height: 38px;
  border: 1px solid rgba(239, 68, 68, 0.4);
  background: transparent;
  color: var(--danger);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-trash:hover {
  background: var(--danger-light);
}

/* ---------------- Exam Taking Interface ---------------- */
.exam-header {
  background: var(--nav-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  padding: 16px 0;
  position: sticky;
  top: 74px;
  z-index: 90;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  margin-top: -2rem;
  margin-bottom: 2rem;
}

.exam-header-inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.exam-header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  width: 100%;
}

.exam-title-box {
  min-width: 0;
}

.exam-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.exam-timer {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  background: var(--primary-light);
  color: var(--primary);
  padding: 8px 18px;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  box-shadow: var(--glass-shadow);
  letter-spacing: 0.5px;
}

.exam-timer.warning {
  border-color: var(--danger);
  color: var(--danger);
  background: var(--danger-light);
  animation: timerPulse 1s infinite alternate;
}

@keyframes timerPulse {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.2); }
  100% { transform: scale(1.04); box-shadow: 0 0 16px rgba(220, 38, 38, 0.4); }
}

.exam-pages-nav {
  display: flex;
  gap: 8px;
  align-items: center;
  overflow-x: auto;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 4px;
  scrollbar-width: none;
}

.exam-pages-nav::-webkit-scrollbar {
  display: none;
}

.page-tab-btn {
  padding: 8px 16px;
  border-radius: var(--border-radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  font-family: inherit;
  font-weight: 700;
  cursor: pointer;
  color: var(--text-muted);
}

.page-tab-btn.active {
  background: var(--primary-gradient);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.question-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--glass-border);
  padding: 26px;
  margin-bottom: 24px;
  box-shadow: var(--glass-shadow);
}

.question-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
}

.question-prompt {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.85;
  margin-bottom: 20px;
  color: var(--text-main);
}

.question-choice-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  margin-bottom: 10px;
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
}

.question-choice-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary);
  transform: translateX(-3px);
}

.question-choice-item.selected {
  background: var(--primary-light);
  border-color: var(--primary);
  font-weight: 700;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.choice-input {
  width: 20px;
  height: 20px;
  accent-color: var(--primary);
}

/* Matching columns */
.matching-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 16px;
}

.matching-item {
  padding: 14px 18px;
  background: var(--bg-card);
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius);
  margin-bottom: 12px;
}

.matching-select {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
  background: var(--input-bg);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.95rem;
}

/* Fill blanks inline inputs */
.blank-input {
  display: inline-block;
  width: 160px;
  padding: 4px 10px;
  margin: 0 6px;
  border: 2px solid var(--primary);
  border-radius: 6px;
  font-family: inherit;
  font-size: 1rem;
  text-align: center;
  background: var(--input-bg);
  color: var(--text-main);
}

/* Audio Player */
.audio-player-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 16px 20px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.audio-player-box audio {
  flex: 1;
  height: 40px;
}

/* Exam Result Highlights */
.result-correct {
  background: var(--success-light) !important;
  border-color: var(--success) !important;
}

.result-incorrect {
  background: var(--danger-light) !important;
  border-color: var(--danger) !important;
}

/* ---------------- Snapshot Review UI Components ---------------- */
.review-choice-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--border-radius);
  margin-bottom: 10px;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  user-select: none;
}

.review-choice-item.is-correct-selected {
  background: rgba(16, 185, 129, 0.16) !important;
  border-color: #10b981 !important;
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.2);
}

.review-choice-item.is-wrong-selected {
  background: rgba(239, 68, 68, 0.16) !important;
  border-color: #ef4444 !important;
  box-shadow: 0 0 16px rgba(239, 68, 68, 0.2);
}

.review-choice-item.is-missed-correct {
  background: rgba(16, 185, 129, 0.08) !important;
  border: 2px dashed #10b981 !important;
}

.review-choice-item.is-neutral {
  opacity: 0.6;
}

.review-badge {
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.review-badge-correct {
  background: #10b981;
  color: #ffffff;
}

.review-badge-wrong {
  background: #ef4444;
  color: #ffffff;
}

.review-badge-missed {
  background: var(--text-muted);
  color: #ffffff;
}

.explanation-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-inline-start: 4px solid var(--primary);
  border-radius: var(--border-radius);
  padding: 16px 20px;
  margin-top: 14px;
  font-size: 0.92rem;
  color: var(--text-main);
  box-shadow: var(--glass-shadow);
}

.hint-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-inline-start: 4px solid var(--accent-rose);
  border-radius: var(--border-radius);
  padding: 14px 18px;
  margin-top: 10px;
  font-size: 0.9rem;
  color: var(--text-main);
  box-shadow: var(--glass-shadow);
}

/* ---------------- Minimalist Modern Table ---------------- */
.table-modern {
  width: 100%;
  border-collapse: collapse;
  text-align: right;
  font-size: 0.95rem;
}

.table-modern thead tr {
  border-bottom: 2px solid var(--border-color);
  background-color: var(--table-th-bg);
}

.table-modern th {
  padding: 14px 16px;
  font-weight: 700;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.table-modern td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
}

.table-modern tbody tr {
  transition: background-color 0.2s ease;
}

.table-modern tbody tr:hover {
  background-color: var(--table-tr-hover);
}

/* ---------------- Footer ---------------- */
.footer {
  background: var(--nav-bg);
  backdrop-filter: var(--glass-blur);
  border-top: 1px solid var(--glass-border);
  padding: 24px 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: auto;
  text-align: center;
}

/* ==========================================================================
   Comprehensive Mobile & Responsive Media Queries
   ========================================================================== */

/* Medium Devices (Tablets, small laptops, <= 1024px) */
@media (max-width: 1024px) {
  .container {
    max-width: 960px;
    padding-left: 18px;
    padding-right: 18px;
  }
}

/* Standard Mobile & Small Tablets (<= 768px) */
@media (max-width: 768px) {
  /* Layout & Containers */
  .container {
    width: 100%;
    padding-left: 14px;
    padding-right: 14px;
  }

  .main-content {
    padding-top: 1.25rem;
    padding-bottom: 2.5rem;
  }

  /* Cards Mobile Scaling */
  .card {
    padding: 18px 14px !important;
    border-radius: var(--border-radius);
    margin-bottom: 16px;
  }

  .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 16px;
    padding-bottom: 12px;
  }

  .card-title {
    font-size: 1.15rem;
  }

  /* Responsive Navbar */
  .navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
  }

  .navbar-inner {
    height: 64px;
    padding: 0 12px;
  }

  .navbar-brand {
    font-size: 1.1rem;
    gap: 8px;
  }

  .navbar-brand .logo-icon,
  .navbar-brand .brand-logo-img {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }

  .brand-title .brand-name {
    font-size: 1.1rem;
  }

  .nav-user-chip {
    padding: 3px 6px;
    gap: 6px;
  }

  .nav-user-chip .user-chip-text {
    display: none;
  }

  /* Side Navigation Mobile Off-Canvas */
  .app-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 285px;
    height: 100vh;
    z-index: 1050;
    transform: translateX(100%);
    box-shadow: -10px 0 35px rgba(0, 0, 0, 0.25);
    background: var(--bg-card);
  }

  .app-sidebar.show {
    transform: translateX(0);
  }

  .sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 6, 11, 0.55);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1040;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
  }

  .sidebar-backdrop.show {
    opacity: 1;
    visibility: visible;
  }

  /* Sticky Exam Header Mobile Tuning */
  .exam-header {
    top: 64px;
    padding: 10px 0;
    margin-top: -1.25rem !important;
    margin-bottom: 1.25rem !important;
  }

  .exam-header-inner {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .exam-header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    width: 100%;
  }

  .exam-title-box h2 {
    font-size: 0.98rem !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 160px;
  }

  .exam-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .exam-timer {
    font-size: 1.05rem;
    padding: 6px 10px;
    gap: 6px;
  }

  .submit-btn-text {
    display: none;
  }

  .exam-header-actions .btn {
    padding: 6px 12px;
    font-size: 0.85rem;
  }

  .exam-pages-nav {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    padding-bottom: 2px;
  }

  .page-tab-btn {
    padding: 6px 12px;
    font-size: 0.85rem;
    flex-shrink: 0;
  }

  /* Questions & Answers on Mobile */
  .question-card {
    padding: 16px 12px !important;
    margin-bottom: 16px;
  }

  .question-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding-bottom: 10px;
    margin-bottom: 14px;
  }

  .question-meta > div {
    width: 100%;
    justify-content: space-between;
  }

  .question-prompt {
    font-size: 1.05rem;
    line-height: 1.75;
    margin-bottom: 16px;
    word-break: break-word;
  }

  .question-choice-item, .review-choice-item {
    padding: 12px 14px;
    font-size: 0.92rem;
    gap: 10px;
    align-items: flex-start;
    word-break: break-word;
  }

  .blank-input {
    width: clamp(80px, 28vw, 120px);
    padding: 3px 6px;
    font-size: 0.92rem;
    margin: 2px;
  }

  .matching-container {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .audio-player-box {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: 12px;
  }

  .audio-player-box audio {
    width: 100%;
  }

  .exam-page-footer {
    flex-direction: column-reverse;
    gap: 10px;
    padding: 14px !important;
    align-items: stretch !important;
  }

  .exam-page-footer .btn {
    width: 100%;
    justify-content: center;
  }

  /* Tables Responsive Scroll Wrapper */
  .table-modern {
    font-size: 0.85rem;
  }

  .table-modern th, .table-modern td {
    padding: 10px 12px;
    white-space: nowrap;
  }

  /* Modals Mobile Sizing */
  .modal-backdrop {
    padding: 10px;
  }

  .modal-window {
    width: 100%;
    max-height: 94vh;
    border-radius: var(--border-radius);
  }

  .modal-header, .modal-body, .modal-footer {
    padding: 14px 16px;
  }

  .modal-footer {
    flex-direction: column-reverse;
    gap: 8px;
  }

  .modal-footer .btn {
    width: 100% !important;
    min-width: 0 !important;
  }

  /* Form Inputs on Mobile (16px to prevent iOS auto-zoom) */
  .form-control {
    font-size: 16px;
    padding: 10px 14px;
  }

  .btn {
    padding: 10px 16px;
    min-height: 42px;
  }
}

/* Extra Small Phones (<= 480px) */
@media (max-width: 480px) {
  body {
    font-size: 14px;
  }

  .container {
    padding-left: 12px;
    padding-right: 12px;
  }

  .navbar-inner {
    padding: 0;
  }

  .navbar-brand span {
    font-size: 0.95rem;
  }

  .exam-title-box h2 {
    max-width: 120px;
    font-size: 0.92rem !important;
  }

  .option-row {
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px;
  }

  .option-row input.form-control {
    width: 100%;
    order: 1;
  }

  .option-correct-badge {
    order: 2;
  }

  .btn-trash {
    order: 3;
    margin-right: auto;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

/* ---------------- Secure Exam Audio Player (Locked Controls) ---------------- */
.exam-audio-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border-subtle);
  border-radius: var(--border-radius);
  padding: 16px 20px;
  margin-bottom: 20px;
  box-shadow: var(--glass-shadow);
  user-select: none;
  -webkit-user-select: none;
  transition: all 0.3s ease;
}

[data-theme="dark"] .exam-audio-card {
  background: rgba(24, 24, 28, 0.88);
  border-color: rgba(234, 179, 8, 0.22);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(234, 179, 8, 0.06);
}

.exam-audio-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
}

.exam-audio-body {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 12px 16px;
  background: rgba(0, 0, 0, 0.03);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .exam-audio-body {
  background: rgba(14, 14, 17, 0.7);
  border-color: rgba(255, 255, 255, 0.06);
}

.exam-audio-btn {
  min-width: 140px;
  padding: 8px 18px;
  font-size: 0.9rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-shrink: 0;
}

.exam-audio-btn:disabled {
  opacity: 0.85;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.exam-audio-progress-wrap {
  flex: 1;
  min-width: 180px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.exam-audio-progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(0, 0, 0, 0.1);
  border-radius: 6px;
  overflow: hidden;
  pointer-events: none;
  position: relative;
}

[data-theme="dark"] .exam-audio-progress-bar {
  background: rgba(255, 255, 255, 0.1);
}

.exam-audio-progress-fill {
  height: 100%;
  background: var(--primary-gradient);
  border-radius: 6px;
  transition: width 0.2s linear;
  box-shadow: 0 0 10px var(--primary-glow);
}

.exam-audio-time {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  direction: ltr;
  text-align: right;
  font-family: monospace, var(--font-family, sans-serif);
}

.exam-audio-volume-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.btn-audio-vol {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.85rem;
}

.btn-audio-vol:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: var(--primary-light);
}

.exam-audio-volume-slider {
  width: 75px;
  accent-color: var(--primary);
  cursor: pointer;
  height: 5px;
}

.exam-audio-notice {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--border-color);
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Sound Wave Equalizer Animation */
.audio-equalizer {
  display: inline-flex;
  align-items: flex-end;
  gap: 2px;
  height: 12px;
}

.audio-equalizer span {
  width: 3px;
  background: var(--primary);
  border-radius: 2px;
  animation: eqBounce 0.8s ease-in-out infinite alternate;
}

.audio-equalizer span:nth-child(1) {
  height: 60%;
  animation-delay: 0.1s;
}

.audio-equalizer span:nth-child(2) {
  height: 100%;
  animation-delay: 0.3s;
}

.audio-equalizer span:nth-child(3) {
  height: 40%;
  animation-delay: 0.2s;
}

@keyframes eqBounce {
  0% { height: 20%; }
  100% { height: 100%; }
}

/* ==========================================================================
   Exam Tutorial & Guide Pages Styling
   ========================================================================== */
.video-responsive {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 ratio */
  height: 0;
  overflow: hidden;
  max-width: 100%;
  border-radius: var(--border-radius);
  background: #000;
  box-shadow: var(--glass-shadow-lg);
  border: 1px solid var(--border-color);
}

.video-responsive iframe,
.video-responsive object,
.video-responsive embed,
.video-responsive video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.tutorial-article {
  font-family: 'Vazirmatn', sans-serif;
  font-size: 1.05rem;
  line-height: 2.15;
  color: var(--text-main);
  word-break: break-word;
}

.tutorial-article h2 {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-main);
  margin-top: 32px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary-light);
  display: flex;
  align-items: center;
  gap: 10px;
}

.tutorial-article h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
  margin-top: 24px;
  margin-bottom: 12px;
}

.tutorial-article p {
  margin-bottom: 18px;
}

.tutorial-article ul, .tutorial-article ol {
  padding-right: 26px;
  margin-bottom: 20px;
}

.tutorial-article li {
  margin-bottom: 8px;
}

.tutorial-box {
  padding: 18px 22px;
  border-radius: var(--border-radius);
  margin: 20px 0;
  border: 1px solid var(--border-color);
  line-height: 1.95;
  font-size: 1rem;
}

.tutorial-box.tip {
  background: var(--accent-emerald-light);
  border-right: 5px solid var(--accent-emerald);
  color: var(--text-main);
}

.tutorial-box.warning {
  background: var(--accent-rose-light);
  border-right: 5px solid var(--accent-rose);
  color: var(--text-main);
}

.tutorial-box.strategy {
  background: var(--accent-purple-light);
  border-right: 5px solid var(--accent-purple);
  color: var(--text-main);
}

.tutorial-step-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 18px;
  margin: 16px 0;
  box-shadow: var(--glass-shadow);
}

.tutorial-step-num {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--primary-gradient);
  color: white;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
  box-shadow: 0 4px 10px var(--primary-glow);
}