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

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Dark Glass theme matching Sanskrit Digital Library (archive_ocr_web) */
  --bg-body: var(--t-bg-body-start);
  --bg-white: var(--t-bg-surface);
  --bg-card: var(--t-bg-surface);
  --bg-card-hover: var(--t-bg-surface-hover);
  --bg-input: var(--t-bg-surface);
  --bg-input-focus: var(--t-bg-elevated);
  --bg-header: var(--t-bg-header);
  --bg-footer: var(--t-bg-body-end);

  --border: var(--t-border);
  --border-focus: var(--t-accent);
  --border-light: var(--t-border-light);

  --text-primary: var(--t-text-primary);
  --text-secondary: var(--t-text-secondary);
  --text-muted: var(--t-text-muted);
  --text-on-dark: var(--t-text-primary);
  --text-on-dark-muted: var(--t-text-secondary);

  --accent: var(--t-accent);
  --accent-hover: var(--t-accent-hover);
  --accent-light: var(--t-hover-bg);
  --accent-glow: var(--t-accent-glow);

  --success: #34d399;
  --success-bg: rgba(16, 185, 129, 0.15);
  --success-border: rgba(16, 185, 129, 0.3);
  --danger: #fca5a5;
  --danger-bg: rgba(239, 68, 68, 0.15);
  --danger-border: rgba(239, 68, 68, 0.3);
  --warning: #fbbf24;
  --warning-bg: rgba(251, 191, 36, 0.15);
  --warning-border: rgba(251, 191, 36, 0.3);

  --radius: 16px;
  --radius-sm: 12px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --shadow-sm: var(--t-shadow);
  --shadow: var(--t-shadow);
  --shadow-lg: var(--t-shadow);
  --shadow-xl: var(--t-shadow);
  --transition: 0.25s ease;

  /* Status text colors — adapt properly via CSS custom property inheritance */
  --success-text:  color-mix(in srgb, #10b981 70%, var(--t-text-primary) 30%);
  --danger-text:   color-mix(in srgb, #ef4444 70%, var(--t-text-primary) 30%);
  --warning-text:  color-mix(in srgb, #f59e0b 70%, var(--t-text-primary) 30%);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-body);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Navbar ── */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px max(24px, calc((100% - 900px) / 2));
  background: var(--t-bg-header);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,0.2);
}

body:has(.container-lg) .navbar {
  padding: 16px max(24px, calc((100% - 1400px) / 2));
}

.navbar-brand {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--t-text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.navbar-logo {
  width: 28px;
  height: 28px;
  object-fit: contain;
  flex-shrink: 0;
}

.navbar-brand .highlight {
  color: #f59e0b;
}

.navbar-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--t-hover-bg) ;
  color: #e2e8f0;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.navbar-links a {
  color: var(--text-on-dark);
  text-decoration: none;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  transition: var(--transition);
}

.navbar-links a:hover {
  background: rgba(255,255,255,0.1);
}

.navbar-links a.active {
  background: var(--accent);
  color: var(--t-text-on-accent);
}

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

.navbar-home-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--accent-light);
  color: var(--accent);
  transition: all 0.2s ease;
  border: 1px solid rgba(255, 255, 255, 0.05);
  text-decoration: none;
}
.navbar-home-btn:hover {
  background: var(--accent);
  color: var(--t-text-on-accent);
  transform: scale(1.05);
  box-shadow: 0 0 12px var(--accent-glow);
}

.user-avatar-btn, .quiz-user-avatar-btn, .user-avatar-nav-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: white;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
  background-size: cover !important;
  background-position: center !important;
  border: 2px solid rgba(255, 255, 255, 0.15);
  cursor: pointer;
  flex-shrink: 0;
}
.user-avatar-btn:hover, .quiz-user-avatar-btn:hover, .user-avatar-nav-btn:hover {
  transform: scale(1.05);
  border-color: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}

/* ══════════ Layout ══════════ */
.container { max-width: 900px; margin: 0 auto; padding: 2rem 1.5rem; }
.container-sm { max-width: 480px; }
.container-lg { max-width: 1400px; }

/* ══════════ Typography ══════════ */
h1, h2, h3 { font-weight: 700; line-height: 1.25; color: var(--text-primary); }
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.15rem; }

.page-header {
  text-align: center;
  margin-bottom: 2rem;
  padding-top: 1rem;
}

.page-header h1 { margin-bottom: 0.4rem; }
.page-header p { color: var(--text-secondary); font-size: 1rem; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.75rem;
  background: var(--accent-light);
  color: var(--accent);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

/* ══════════ Cards ══════════ */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-lg);
}

/* ══════════ Forms ══════════ */
.form-group { margin-bottom: 1.15rem; }

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.7rem 0.9rem;
  background: var(--bg-input);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.92rem;
  transition: var(--transition);
  outline: none;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input::placeholder, .form-textarea::placeholder {
  color: var(--text-muted);
}

.form-textarea { min-height: 80px; resize: vertical; }

/* ══════════ Buttons ══════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.65rem 1.3rem;
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  outline: none;
  line-height: 1.4;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--accent);
  color: var(--t-text-on-accent);
  box-shadow: 0 2px 8px var(--t-accent-alpha-25);
}
.btn-primary:hover { background: var(--accent-hover); box-shadow: 0 4px 16px var(--t-accent-alpha-30); }

.btn-secondary {
  background: var(--bg-white);
  color: var(--text-primary);
  border: 1.5px solid var(--border);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-light); }

.btn-danger {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid var(--danger-border);
}
.btn-danger:hover { background: #fee2e2; }

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

.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.8rem; }
.btn-lg { padding: 0.85rem 2rem; font-size: 0.95rem; }
.btn-block { width: 100%; }
.btn-group { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* ══════════ Quiz Page ══════════ */
.quiz-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.quiz-meta { display: flex; align-items: center; gap: 1rem; }

.timer {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent);
  padding: 0.45rem 1rem;
  background: var(--accent-light);
  border-radius: var(--radius-sm);
  border: 1px solid var(--t-accent-alpha-15);
}

.timer.warning { color: var(--warning); background: var(--warning-bg); border-color: var(--warning-border); }
.timer.danger { color: var(--danger); background: var(--danger-bg); border-color: var(--danger-border); animation: pulse 1s infinite; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.progress-wrapper { margin-bottom: 1.25rem; }

.progress-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
  font-weight: 500;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--border-light);
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
  transition: width 0.4s ease;
}

.question-number {
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.question-text {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  line-height: 1.5;
  color: var(--text-primary);
}

.options-list { display: flex; flex-direction: column; gap: 0.65rem; }

.option-item {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.9rem 1.1rem;
  background: var(--bg-white);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}

.option-item:hover { border-color: var(--accent); background: var(--accent-light); }
.option-item.selected { border-color: var(--accent); background: var(--accent-light); }
.option-item input[type="radio"] { display: none; }

.option-radio {
  width: 20px; height: 20px; min-width: 20px;
  border: 2px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.option-item.selected .option-radio { border-color: var(--accent); }

.option-item.selected .option-radio::after {
  content: '';
  width: 10px; height: 10px;
  background: var(--accent);
  border-radius: 50%;
}

.option-label { font-size: 0.92rem; font-weight: 500; flex: 1; }

/* ══════════ Results Page ══════════ */
.score-card {
  text-align: center;
  padding: 2.5rem;
  margin-bottom: 1.5rem;
}

.score-ring {
  width: 150px; height: 150px;
  margin: 0 auto 1.25rem;
  position: relative;
}

.score-ring svg { transform: rotate(-90deg); }

.score-ring circle {
  fill: none;
  stroke-width: 8;
  stroke-linecap: round;
}

.score-ring .bg { stroke: var(--border); }
.score-ring .fill { stroke: var(--accent); transition: stroke-dashoffset 1.5s ease; }

.score-value {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
}

.score-label { color: var(--text-secondary); font-size: 0.88rem; margin-top: 0.3rem; }

.result-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-bottom: 0.85rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.result-item.correct { border-left: 4px solid var(--success); }
.result-item.incorrect { border-left: 4px solid var(--danger); }
.result-item.skipped { border-left: 4px solid #f59e0b; }

.result-question {
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 0.85rem;
  display: flex;
  gap: 0.6rem;
  line-height: 1.5;
}

.result-status {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  white-space: nowrap;
  height: fit-content;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.result-status.correct { background: var(--success-bg); color: var(--success); border: 1px solid var(--success-border); }
.result-status.incorrect { background: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger-border); }
.result-status.skipped { background: rgba(245, 158, 11, 0.12); color: #f59e0b; border: 1px solid rgba(245, 158, 11, 0.3); }

.result-options { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 0.85rem; }

.result-option {
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--bg-body);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
}

.result-option.is-correct {
  background: var(--success-bg);
  border-color: var(--success-border);
  color: var(--success);
  font-weight: 600;
}

.result-option.is-wrong {
  background: var(--danger-bg);
  border-color: var(--danger-border);
  color: var(--danger);
  font-weight: 600;
}

.explanation-box {
  background: var(--accent-light);
  border: 1px solid var(--t-accent-alpha-15);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.explanation-box strong { color: var(--accent); }

.explanation a, .explanation-box a {
  text-decoration: none;
  color: #0066cc;
}

/* ══════════ Admin ══════════ */
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-top: 0.2rem;
  font-weight: 600;
}

.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  background: var(--bg-card);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

thead { background: var(--bg-body); }

th {
  padding: 0.8rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

td {
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--border-light);
  vertical-align: middle;
  color: var(--text-primary);
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg-card-hover); }
td:last-child { white-space: nowrap; }

/* Selection */
.selection-bar {
  background: var(--bg-card);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 0.65rem 1rem;
  margin-bottom: 0.85rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  animation: slideDown 0.2s ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

tr.row-selected td { background: var(--accent-light); }

table input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}

/* ══════════ Upload Zone ══════════ */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  background: var(--bg-body);
}

.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--accent);
  background: var(--accent-light);
}

.upload-zone input[type="file"] {
  position: absolute; inset: 0;
  opacity: 0; cursor: pointer;
}

.upload-icon { font-size: 2.2rem; margin-bottom: 0.5rem; }
.upload-text { color: var(--text-secondary); font-size: 0.9rem; }
.upload-text strong { color: var(--accent); }

/* ══════════ Modal ══════════ */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.35);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  padding: 1rem;
}

.modal-overlay.active { opacity: 1; pointer-events: auto; }

.modal {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: scale(0.95) translateY(10px);
  transition: 0.25s ease;
}

.modal-overlay.active .modal { transform: scale(1) translateY(0); }

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.modal-close {
  width: 34px; height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-body);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1rem;
  transition: var(--transition);
}

.modal-close:hover { color: var(--danger); border-color: var(--danger); background: var(--danger-bg); }

/* ══════════ Toast ══════════ */
.toast-container {
  position: fixed;
  top: 4.5rem;
  right: 1.5rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.toast {
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  min-width: 260px;
  background: var(--bg-white);
}

.toast.success { background: var(--success-bg); color: var(--success); border: 1px solid var(--success-border); }
.toast.error { background: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger-border); }
.toast.info { background: var(--accent-light); color: var(--accent); border: 1px solid var(--t-accent-alpha-20); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ══════════ Utilities ══════════ */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.pt-2 { padding-top: 1rem; }

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.empty-state .icon { font-size: 2.5rem; margin-bottom: 0.75rem; }

.hero-icon { font-size: 3.5rem; margin-bottom: 0.75rem; }

.hero-logo-img {
  width: 90px;
  height: 90px;
  object-fit: contain;
  margin-bottom: 0.75rem;
  filter: drop-shadow(0 6px 12px rgba(0,0,0,0.3));
}

.loading-spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 2rem auto;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ══════════ Hero Section (Home) ══════════ */
.hero-section {
  background: var(--bg-header);
  padding: 3rem 1.5rem 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at 50% 0%, var(--t-accent-alpha-15) 0%, transparent 60%);
  pointer-events: none;
}

.hero-section * { position: relative; z-index: 1; }
.hero-section h1 { color: var(--t-text-primary); font-size: 2.2rem; margin-bottom: 0.4rem; }
.hero-section p { color: var(--t-text-secondary); font-size: 1rem; max-width: 480px; margin: 0 auto; }
.hero-section .badge { background: var(--t-hover-bg) ; color: var(--t-text-secondary); }
.hero-section .hero-icon { color: var(--accent); }

.hero-card {
  max-width: 460px;
  margin: 3rem auto 0;
  position: relative;
  z-index: 2;
}

/* ══════════ Footer ══════════ */
.footer {
  background: var(--bg-footer);
  border-top: 1px solid var(--border);
  padding: 2.5rem 1.5rem;
  text-align: center;
  margin-top: 4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
}

.footer-quote {
  font-style: italic;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  background: var(--t-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-links {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-links a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent-hover);
  text-decoration: none;
}

.footer-copyright {
  color: var(--text-on-dark-muted);
  font-size: 0.78rem;
}

/* ══════════ Responsive ══════════ */
@media (max-width: 768px) {
  h1 { font-size: 1.6rem; }
  .hero-section h1 { font-size: 1.7rem; }
  .container { padding: 1.25rem 1rem; }
  .card { padding: 1.5rem; }
  .quiz-header { flex-direction: column; align-items: flex-start; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .navbar { padding: 0 1rem; }
  .navbar-brand { font-size: 1rem; }
  table { font-size: 0.8rem; }
  th, td { padding: 0.6rem 0.5rem; }
  .admin-header { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  h1 { font-size: 1.3rem; }
  .score-ring { width: 120px; height: 120px; }
  .score-value { font-size: 1.4rem; }
  .stats-row { grid-template-columns: 1fr; }
  .navbar-links a { padding: 0.35rem 0.5rem; font-size: 0.8rem; }
  .hero-section { padding: 2rem 1rem 3rem; }
}

/* ══════════ Instructions Page ══════════ */
.instructions-list {
  padding-left: 1rem;
  margin: 1rem 0;
  font-size: 0.92rem;
  color: var(--text-secondary);
  max-height: 400px;
  overflow-y: auto;
  border: 1px solid var(--border);
  padding: 1.5rem;
  border-radius: var(--radius-sm);
  background: var(--t-bg-surface);
}

.instructions-list h3 { font-size: 1rem; color: var(--accent); margin-bottom: 0.75rem; border-bottom: 2px solid var(--accent); display: inline-block; }
.instructions-list p, .instructions-list li { margin-bottom: 0.75rem; line-height: 1.5; color: var(--text-secondary); }
.instructions-list ol { padding-left: 1.5rem; margin-top: 0.5rem; color: var(--text-secondary); }

.instruction-row { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.6rem; }

.instruction-symbol {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  font-size: 0.8rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.symbol-not-visited { background: #f1f5f9; color: #64748b !important; border: 1px solid #cbd5e1; border-radius: 4px; }
.symbol-not-answered { background: #f97316; border-radius: 4px; }
.symbol-answered { background: #22c55e; border-radius: 12px 12px 0 0; }
.symbol-review { background: var(--t-accent); color: var(--t-text-on-accent) !important; border-radius: 50%; }
.symbol-review-answered { background: var(--t-accent); color: var(--t-text-on-accent) !important; border-radius: 50%; position: relative; }
.symbol-review-answered::after {
  content: ''; position: absolute; bottom: 0; right: 0;
  width: 10px; height: 10px; background: #22c55e; border-radius: 50%; border: 1.5px solid #fff;
}

/* ── Instructions Standalone Page ── */
.instructions-page-header {
  text-align: center;
  padding: 2rem 1rem 1.25rem;
  animation: fadeInUp 0.5s ease;
}

.instructions-page-header h1 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.4rem;
  background: var(--t-heading-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.instructions-page-header p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 540px;
  margin: 0 auto;
}

.instructions-page-icon {
  font-size: 3rem;
  margin-bottom: 0.5rem;
  animation: bounceIn 0.6s ease;
}

@keyframes bounceIn {
  0% { transform: scale(0.3); opacity: 0; }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Info Bar */
.instructions-info-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.6s ease 0.1s both;
}

.info-bar-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.info-bar-item:hover {
  border-color: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}

.info-bar-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
}

.info-bar-value {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Main Card */
.instructions-page-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2rem 2.25rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.25rem;
  animation: fadeInUp 0.6s ease 0.2s both;
}

.instructions-section {}

.instructions-section-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--border);
}

.instructions-section-header h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.instructions-section-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--accent);
  color: var(--t-text-on-accent);
  border-radius: 10px;
  font-size: 0.82rem;
  font-weight: 800;
  flex-shrink: 0;
  box-shadow: 0 2px 8px var(--accent-glow);
}

.instructions-section-body {
  padding-left: 0.5rem;
}

.instruction-point {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 1rem;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.instruction-point strong {
  color: var(--text-primary);
}

.instruction-point-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  width: 32px;
  text-align: center;
  margin-top: 0.05rem;
}

.instruction-point-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--accent-light);
  color: var(--accent);
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 800;
  flex-shrink: 0;
  border: 1px solid var(--t-accent-alpha-20);
}

/* Legend Grid */
.instructions-legend-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin: 1.25rem 0;
  padding: 1.25rem;
  background: var(--t-bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.instructions-legend-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.instructions-legend-item > div:last-child {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.instructions-legend-item > div:last-child strong {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-primary);
}

.instructions-legend-item > div:last-child span {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.35;
}

/* Agreement Card */
.instructions-agreement-card {
  animation: fadeInUp 0.6s ease 0.3s both;
}

.instructions-agree-box {
  background: var(--warning-bg);
  padding: 1.15rem 1.25rem;
  border: 1px solid var(--warning-border);
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
}

.instructions-action-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

/* Responsive for instructions page */
@media (max-width: 768px) {
  .instructions-info-bar {
    grid-template-columns: 1fr 1fr;
  }

  .instructions-page-card {
    padding: 1.5rem 1.25rem;
  }

  .instructions-legend-grid {
    grid-template-columns: 1fr;
  }

  .instructions-action-bar {
    flex-direction: column-reverse;
  }

  .instructions-action-bar .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .instructions-info-bar {
    grid-template-columns: 1fr;
  }
}


/* ══════════ Quiz Palette Sidebar ══════════ */
.quiz-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 1.5rem;
  align-items: start;
}

.palette-card {
  position: sticky;
  top: 70px;
  padding: 1.5rem;
}

.palette-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.palette-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.palette-btn {
  aspect-ratio: 1;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.88rem; font-weight: 700;
  cursor: pointer; transition: var(--transition);
  border: 1px solid transparent;
}

.palette-btn:hover { filter: brightness(0.9); transform: translateY(-2px); }
.palette-btn.active { outline: 3px solid var(--accent); outline-offset: 2px; }

/* Status Styles */
.status-not-visited { background: #f8fafc; color: #64748b; border: 1px solid #e2e8f0; border-radius: 4px; }
.status-not-answered { background: #f97316; color: #fff; border-radius: 4px; }
.status-answered { background: #22c55e; color: #fff; border-radius: 12px 12px 0 0; }
.status-review { background: var(--t-accent); color: var(--t-text-on-accent); border-radius: 50%; }
.status-review-answered { background: var(--t-accent); color: var(--t-text-on-accent); border-radius: 50%; position: relative; }
.status-review-answered::after {
  content: ''; position: absolute; bottom: 0; right: 0;
  width: 10px; height: 10px; background: #22c55e; border-radius: 50%; border: 2px solid #fff;
}

.status-legend {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

.legend-item { display: flex; align-items: center; gap: 0.5rem; }
.legend-symbol {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  font-size: 0.65rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

/* User Profile Menu Dropdown for Quiz navbar */
.quiz-user-menu-container {
  position: relative;
  display: inline-flex;
  align-self: center;
}

.quiz-user-avatar-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: white;
  text-decoration: none;
  transition: all 0.25s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  background-size: cover !important;
  background-position: center !important;
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
}

.quiz-user-avatar-btn:hover {
  transform: scale(1.05);
  border-color: var(--accent);
  box-shadow: 0 0 10px rgba(129, 140, 248, 0.4);
}

.quiz-user-dropdown-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  background: var(--t-bg-overlay);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  min-width: 160px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  padding: 8px 0;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1000;
}

.quiz-user-dropdown-menu::before {
  content: '';
  position: absolute;
  top: -6px;
  right: 12px;
  width: 10px;
  height: 10px;
  background: var(--t-bg-overlay);
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  transform: rotate(45deg);
}

.quiz-user-menu-container:hover .quiz-user-dropdown-menu {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.quiz-user-dropdown-menu a {
  padding: 8px 14px !important;
  font-size: 13px !important;
  color: var(--text-secondary) !important;
  text-decoration: none !important;
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
  transition: all 0.2s ease !important;
  text-align: left !important;
  border: none !important;
  background: none !important;
  box-shadow: none !important;
  margin: 0 !important;
}

.quiz-user-dropdown-menu a:hover {
  background: var(--t-hover-bg) !important;
  color: var(--t-text-primary) !important;
  padding-left: 18px !important;
}

.quiz-user-dropdown-menu::after {
  content: '';
  position: absolute;
  top: -20px;
  left: 0;
  right: 0;
  height: 20px;
  background: transparent;
  z-index: -1;
}

/* ══════════ Glass Radio Group Toggle ══════════ */
.glass-radio-group {
  --bg: var(--t-bg-surface);
  --text: var(--t-text-secondary);

  display: flex;
  position: relative;
  background: var(--bg);
  border-radius: 1rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow:
    inset 1px 1px 4px rgba(255, 255, 255, 0.15),
    inset -1px -1px 6px rgba(0, 0, 0, 0.3),
    0 4px 12px rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  width: 100%;
  margin-top: 0.35rem;
}

.glass-radio-group input {
  display: none;
}

.glass-radio-group label {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  font-size: 0.85rem;
  padding: 0.8rem 0.5rem;
  cursor: pointer;
  font-weight: 600;
  letter-spacing: 0.3px;
  color: var(--text);
  position: relative;
  z-index: 2;
  transition: color 0.3s ease-in-out;
  text-align: center;
  user-select: none;
}

.glass-radio-group label:hover {
  color: white;
}

.glass-radio-group input:checked + label {
  color: #fff;
}

#glass-hi:checked + label,
#glass-kn:checked + label,
#glass-te:checked + label {
  color: var(--t-text-on-accent) !important;
}

.glass-glider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: calc(100% / 5);
  border-radius: 1rem;
  z-index: 1;
  transition:
    transform 0.5s cubic-bezier(0.37, 1.95, 0.66, 0.56),
    background 0.4s ease-in-out,
    box-shadow 0.4s ease-in-out;
}

/* Sanskrit (sa) */
#glass-sa:checked ~ .glass-glider {
  transform: translateX(0%);
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.35), #f97316);
  box-shadow:
    0 0 18px rgba(249, 115, 22, 0.4),
    0 0 10px rgba(251, 146, 60, 0.4) inset;
}

/* English (en) */
#glass-en:checked ~ .glass-glider {
  transform: translateX(100%);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.35), #3b82f6);
  box-shadow:
    0 0 18px rgba(59, 130, 246, 0.4),
    0 0 10px rgba(96, 165, 250, 0.4) inset;
}

/* Hindi (hi) */
#glass-hi:checked ~ .glass-glider {
  transform: translateX(200%);
  background: linear-gradient(135deg, var(--t-accent-alpha-35), var(--t-accent-hover));
  box-shadow:
    0 0 18px var(--t-accent-alpha-40),
    0 0 10px rgba(192, 132, 252, 0.4) inset;
}

/* Kannada (kn) */
#glass-kn:checked ~ .glass-glider {
  transform: translateX(300%);
  background: linear-gradient(135deg, rgba(234, 179, 8, 0.35), #eab308);
  box-shadow:
    0 0 18px rgba(234, 179, 8, 0.4),
    0 0 10px rgba(250, 204, 21, 0.4) inset;
}

/* Telugu (te) */
#glass-te:checked ~ .glass-glider {
  transform: translateX(400%);
  background: linear-gradient(135deg, rgba(20, 184, 166, 0.35), #14b8a6);
  box-shadow:
    0 0 18px rgba(20, 184, 166, 0.4),
    0 0 10px rgba(45, 212, 191, 0.4) inset;
}

@media (max-width: 480px) {
  .glass-radio-group label {
    font-size: 11px;
    padding: 0.6rem 0.2rem;
    min-width: 50px;
  }
}

/* ══════════ Language Selector Dropdown in Navbar ══════════ */
.lang-select-wrapper {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--t-hover-bg) ;
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  transition: all 0.25s ease;
}

.lang-select-wrapper:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent);
  box-shadow: 0 0 10px rgba(129, 140, 248, 0.25);
}

.lang-select-nav {
  background: transparent !important;
  border: none !important;
  color: var(--text-primary) !important;
  padding: 0 1.25rem 0 0 !important;
  margin: 0 !important;
  width: auto !important;
  font-size: 0.82rem !important;
  font-weight: 600 !important;
  cursor: pointer;
  outline: none !important;
  box-shadow: none !important;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
}

.lang-select-wrapper::after {
  content: '▾';
  position: absolute;
  right: 0.65rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  pointer-events: none;
}

.lang-select-wrapper:hover::after {
  color: var(--accent);
}

select option {
  background-color: var(--t-bg-overlay);
  color: var(--text-primary);
}

/* ══════════ Custom Language Dropdown ══════════ */
.lang-dropdown-container {
  position: relative;
  display: inline-flex;
}

.lang-dropdown-btn {
  background: var(--t-hover-bg) ;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  transition: all 0.25s ease;
}

.lang-dropdown-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent);
  box-shadow: 0 0 10px rgba(129, 140, 248, 0.25);
}

.lang-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--t-bg-overlay);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  min-width: 140px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  padding: 6px 0;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1000;
}

.lang-dropdown-container.active .lang-dropdown-menu {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.lang-option {
  padding: 8px 16px !important;
  font-size: 0.82rem !important;
  color: var(--text-secondary) !important;
  text-decoration: none !important;
  display: block !important;
  transition: all 0.2s ease !important;
  text-align: left !important;
  cursor: pointer;
}

.lang-option:hover {
  background: rgba(129, 140, 248, 0.15) !important;
  color: white !important;
  padding-left: 20px !important;
}

.lang-option.active {
  background: var(--accent-light) !important;
  color: var(--accent) !important;
  font-weight: 600 !important;
}

/* ══════════ Quiz Explorer Layout ══════════ */
.explorer-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}

.explorer-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  background: var(--bg-card);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.explorer-breadcrumbs a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.explorer-breadcrumbs a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.explorer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.explorer-item-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s ease;
  min-height: 120px;
  position: relative;
  overflow: hidden;
}

.explorer-item-card:hover {
  border-color: var(--accent);
  background: var(--accent-light);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(129, 140, 248, 0.15);
}

.explorer-item-icon {
  font-size: 2.5rem;
  margin-bottom: 0.6rem;
  transition: transform 0.2s ease;
}

.explorer-item-card:hover .explorer-item-icon {
  transform: scale(1.1);
}

.explorer-item-name {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
  word-break: break-word;
  line-height: 1.4;
}

.explorer-item-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

/* Tree-view node list for admin sidebar */
.tree-node {
  margin-left: 1.25rem;
  border-left: 1px dashed var(--border);
  padding-left: 0.75rem;
  margin-top: 0.35rem;
}
.tree-node-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 0.65rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: var(--transition);
}
.tree-node-header:hover {
  background: var(--accent-light);
}
.tree-node-title {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 500;
}
.tree-node-actions {
  display: flex;
  gap: 0.25rem;
  opacity: 0;
  transition: opacity 0.2s ease;
}
.tree-node-header:hover .tree-node-actions {
  opacity: 1;
}

/* ══════════ Admin File Explorer ══════════ */
.fe-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 1.25rem;
  align-items: start;
}

/* ── Sidebar ── */
.fe-sidebar {
  padding: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: sticky;
  top: 80px;
  max-height: calc(100vh - 120px);
}

.fe-sidebar-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--text-muted);
  padding: 1rem 1rem 0.75rem;
  border-bottom: 1px solid var(--border-light);
}

.fe-tree-list {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.fe-tree-list::-webkit-scrollbar { width: 4px; }
.fe-tree-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.fe-tree-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.42rem 0.65rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.18s ease;
  user-select: none;
}

.fe-tree-item:hover {
  background: var(--accent-light);
  color: var(--text-primary);
}

.fe-tree-item--active {
  background: var(--accent-light);
  color: var(--accent);
  font-weight: 600;
}

.fe-tree-group {
  border-left: 1px dashed rgba(255,255,255,0.08);
  margin-left: 0.65rem;
}

.fe-sidebar-footer {
  padding: 0.75rem 0.85rem;
  border-top: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.fe-save-status {
  min-height: 16px;
  text-align: center;
  font-size: 0.75rem;
  transition: opacity 0.3s ease;
}

/* ── Explorer Pane ── */
.fe-pane {
  padding: 0;
  overflow: hidden;
  min-height: 420px;
}

.fe-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 1.25rem;
  border-bottom: 1px solid var(--border-light);
  flex-wrap: wrap;
}

.fe-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  flex-wrap: wrap;
  flex: 1;
  min-width: 0;
}

.fe-bc-item {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.22rem 0.42rem;
  border-radius: 6px;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.fe-bc-item:hover {
  color: var(--accent);
  background: var(--accent-light);
}

.fe-bc-item--active {
  color: var(--text-primary);
  font-weight: 600;
  cursor: default;
}

.fe-bc-item--active:hover {
  background: transparent;
  color: var(--text-primary);
}

.fe-bc-sep {
  color: var(--text-muted);
  font-size: 1.1rem;
  opacity: 0.4;
  line-height: 1;
}

.fe-toolbar-actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.fe-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.42rem 0.85rem;
  font-size: 0.79rem;
  font-weight: 600;
  font-family: inherit;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background: var(--bg-white);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.18s ease;
}

.fe-action-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-light);
}

.fe-action-btn--primary {
  background: var(--accent-light);
  color: var(--accent);
  border-color: rgba(129, 140, 248, 0.3);
}

.fe-action-btn--primary:hover {
  background: var(--accent);
  color: var(--t-text-on-accent);
  border-color: var(--accent);
  box-shadow: 0 4px 12px var(--t-accent-alpha-25);
}

/* ── Icon Grid ── */
.fe-grid {
  padding: 1.25rem;
  min-height: 300px;
}

.fe-section-label {
  font-size: 0.71rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.fe-icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem;
  margin-bottom: 0.25rem;
}

.fe-icon-card {
  position: relative;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.22s ease;
}

.fe-icon-card--folder { cursor: pointer; }

.fe-icon-card:hover {
  border-color: var(--accent);
  box-shadow: 0 6px 24px rgba(129, 140, 248, 0.12);
  transform: translateY(-2px);
}

.fe-icon-card--quiz:hover {
  border-color: rgba(52, 211, 153, 0.5);
  box-shadow: 0 6px 20px rgba(52, 211, 153, 0.1);
}

.fe-icon-card__body {
  padding: 1.1rem 0.85rem 0.8rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.35rem;
}

.fe-icon-card__icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  margin-bottom: 0.15rem;
  transition: transform 0.2s ease;
}

.fe-icon-card:hover .fe-icon-card__icon {
  transform: scale(1.1);
}

.fe-icon-card--folder .fe-icon-card__icon {
  background: rgba(129, 140, 248, 0.1);
}

.fe-icon-card--quiz .fe-icon-card__icon {
  background: rgba(52, 211, 153, 0.1);
}

.fe-icon-card__name {
  font-size: 0.81rem;
  font-weight: 600;
  color: var(--text-primary);
  word-break: break-word;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  max-width: 100%;
}

.fe-icon-card__meta {
  font-size: 0.69rem;
  color: var(--text-muted);
}

.fe-icon-card__meta--quiz {
  color: #34d399;
  font-weight: 500;
}

.fe-icon-card__count {
  font-size: 0.67rem;
  font-weight: 600;
  background: rgba(52, 211, 153, 0.12);
  color: #34d399;
  padding: 0.1rem 0.45rem;
  border-radius: 99px;
  border: 1px solid rgba(52, 211, 153, 0.2);
}

.fe-icon-card__actions {
  display: flex;
  border-top: 1px solid var(--border-light);
  opacity: 0;
  transform: translateY(3px);
  transition: all 0.2s ease;
  background: var(--t-bg-surface);
}

.fe-icon-card:hover .fe-icon-card__actions {
  opacity: 1;
  transform: translateY(0);
}

.fe-card-act {
  flex: 1;
  padding: 0.38rem 0.15rem;
  font-size: 0.67rem;
  font-weight: 600;
  font-family: inherit;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
  border-right: 1px solid var(--border-light);
}

.fe-card-act:last-child { border-right: none; }

.fe-card-act:hover {
  background: var(--accent-light);
  color: var(--accent);
}

.fe-card-act--danger:hover {
  background: var(--danger-bg);
  color: var(--danger);
}

.fe-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 1.5rem;
  min-height: 260px;
  color: var(--text-muted);
}

.fe-empty-icon {
  font-size: 3.5rem;
  margin-bottom: 0.75rem;
  opacity: 0.55;
  animation: feFloat 3s ease-in-out infinite;
}

@keyframes feFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.fe-empty-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}

.fe-empty-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
  max-width: 280px;
}

@media (max-width: 900px) {
  .fe-layout {
    grid-template-columns: 1fr;
  }
  .fe-sidebar {
    position: static;
    max-height: none;
  }
  .fe-icon-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }
}

/* ── Beautiful Quiz Index Page Styles ── */

/* Ambient blurred gradient blobs */
.ambient-blobs-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
  z-index: -1;
}

.ambient-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  animation: float-ambient 20s infinite ease-in-out;
}

.ambient-blob-1 {
  top: 10%;
  left: 10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--t-accent) 0%, var(--t-bg-body-end) 100%);
  animation-duration: 25s;
}

.ambient-blob-2 {
  bottom: 10%;
  right: 15%;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, var(--t-accent-hover) 0%, var(--t-bg-body-start) 100%);
  animation-duration: 30s;
  animation-delay: -5s;
}

@keyframes float-ambient {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(30px, -50px) scale(1.1);
  }
  66% {
    transform: translate(-20px, 20px) scale(0.95);
  }
}

/* Page Banner/Hero */
.quiz-hero-banner {
  text-align: center;
  padding: 3rem 1.5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.quiz-banner-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.95rem;
  background: rgba(129, 140, 248, 0.12);
  border: 1px solid rgba(129, 140, 248, 0.25);
  color: var(--t-text-secondary);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  box-shadow: 0 0 15px rgba(129, 140, 248, 0.1);
}

.quiz-banner-title {
  font-family: 'Outfit', 'Inter', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 0.75rem;
  letter-spacing: -1px;
  background: linear-gradient(135deg, #f8fafc 10%, #cbd5e1 50%, var(--t-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.quiz-banner-title span {
  background: linear-gradient(135deg, #f59e0b 0%, var(--t-accent-hover) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.quiz-banner-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Home Layout columns */
.quiz-home-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 2rem;
  margin-top: 1.5rem;
  align-items: start;
}

@media (max-width: 900px) {
  .quiz-home-layout {
    grid-template-columns: 1fr;
  }
}

/* Modern Card Glows */
.premium-card {
  position: relative;
  background: var(--t-bg-surface);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.premium-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
  pointer-events: none;
}

.premium-card:hover {
  border-color: var(--t-border) ;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

/* Config Sidebar items */
.sidebar-section-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sidebar-avatar-glow {
  position: relative;
  display: inline-flex;
  margin-bottom: 0.75rem;
}

.sidebar-avatar-glow::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: var(--t-accent-gradient);
  z-index: -1;
  opacity: 0.5;
  filter: blur(4px);
  animation: rotate-gradient 6s linear infinite;
}

@keyframes rotate-gradient {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* User identity card in sidebar */
.identity-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.25rem;
  background: var(--t-hover-bg) ;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 14px;
  margin-bottom: 1.5rem;
}

/* Search Bar styling */
.explorer-search-wrapper {
  position: relative;
  margin-bottom: 1rem;
}

.explorer-search-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  background: var(--t-bg-surface);
  border: 1.5px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: all 0.25s ease;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.explorer-search-input:focus {
  border-color: var(--accent);
  background: var(--t-bg-overlay);
  box-shadow: 0 0 0 4px rgba(129, 140, 248, 0.18), inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.explorer-search-icon {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  font-size: 0.95rem;
  transition: color 0.25s ease;
}

.explorer-search-input:focus + .explorer-search-icon {
  color: var(--accent);
}

/* Explorer Items Styling */
.explorer-item-card {
  background: var(--t-bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  padding: 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  cursor: pointer;
  position: relative;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

/* Folder hover glows */
.explorer-item-card.folder-node:hover {
  background: rgba(249, 115, 22, 0.06);
  border-color: rgba(249, 115, 22, 0.35);
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(249, 115, 22, 0.15);
}

/* Quiz hover glows */
.explorer-item-card.quiz-node:hover {
  background: var(--t-accent-alpha-08);
  border-color: var(--t-accent-alpha-30);
  transform: translateY(-5px);
  box-shadow: 0 10px 25px var(--t-accent-alpha-15);
}

/* Overlay play arrow that slides in */
.explorer-item-card::after {
  content: '➔';
  position: absolute;
  bottom: 12px;
  right: 16px;
  font-size: 0.9rem;
  color: var(--accent);
  opacity: 0;
  transform: translateX(-5px);
  transition: all 0.25s ease;
}

.explorer-item-card:hover::after {
  opacity: 1;
  transform: translateX(0);
}

.explorer-item-card.folder-node:hover::after {
  color: #f97316;
}

.explorer-item-card.quiz-node:hover::after {
  color: var(--t-accent);
}

/* Icon gradients container */
.explorer-item-icon-wrapper {
  width: 96px;
  height: 96px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.85rem;
  transition: all 0.25s ease;
}

.folder-node .explorer-item-icon-wrapper {
  background: rgba(249, 115, 22, 0.12);
  border: 1px solid rgba(249, 115, 22, 0.2);
  color: #f97316;
}

.quiz-node .explorer-item-icon-wrapper {
  background: rgba(129, 140, 248, 0.12);
  border: 1px solid rgba(129, 140, 248, 0.2);
  color: var(--t-accent);
}

.explorer-item-card:hover .explorer-item-icon-wrapper {
  transform: scale(1.1) rotate(2deg);
}

.folder-node:hover .explorer-item-icon-wrapper {
  background: #f97316;
  color: white;
  box-shadow: 0 0 15px rgba(249, 115, 22, 0.4);
}

.quiz-node:hover .explorer-item-icon-wrapper {
  background: var(--accent);
  color: var(--t-text-on-accent);
  box-shadow: 0 0 15px rgba(129, 140, 248, 0.4);
}

/* Meta badges */
.pill-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.18rem 0.65rem;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 600;
  margin-top: 0.5rem;
}

.folder-node .pill-badge {
  background: rgba(249, 115, 22, 0.12);
  color: #fdba74;
  border: 1px solid rgba(249, 115, 22, 0.2);
}

[data-theme="light"] .folder-node .pill-badge {
  color: #c2410c;
  border-color: rgba(249, 115, 22, 0.3);
}

.quiz-node .pill-badge {
  background: rgba(52, 211, 153, 0.12);
  color: #a7f3d0;
  border: 1px solid rgba(52, 211, 153, 0.2);
}

[data-theme="light"] .quiz-node .pill-badge {
  background: rgba(16, 185, 129, 0.12);
  color: #047857;
  border-color: rgba(16, 185, 129, 0.3);
}

/* Breadcrumbs styling override */
.explorer-breadcrumbs {
  border-radius: 12px;
  background: var(--t-hover-bg);
  border-color: rgba(255, 255, 255, 0.06);
  padding: 0.65rem 1rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
}

/* Name input icon wrapper */
.input-with-icon {
  position: relative;
}

.input-with-icon .form-input {
  padding-left: 2.3rem;
  border-radius: 10px;
}

.input-with-icon-symbol {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.95rem;
  pointer-events: none;
}

.form-input:focus + .input-with-icon-symbol {
  color: var(--accent);
}

/* Modal and list polish */
.instructions-list {
  background: var(--t-bg-surface);
  border-color: var(--t-border-light) ;
  border-radius: 12px;
  padding: 1.25rem;
}

.instructions-list h3 {
  border-bottom: 2px solid var(--accent);
  padding-bottom: 0.25rem;
}

/* Empty search state */
.search-empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  grid-column: 1 / -1;
  color: var(--text-muted);
}

.search-empty-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  opacity: 0.6;
}

.btn-reset-search {
  margin-top: 1rem;
  background: var(--accent-light);
  color: var(--accent);
  border: 1px solid rgba(129, 140, 248, 0.25);
  font-size: 0.8rem;
  padding: 0.45rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s;
}

.btn-reset-search:hover {
  background: var(--accent);
  color: var(--t-text-on-accent);
}

/* ── Results Page Visual Highlights ── */

.sidebar-sticky {
  position: sticky;
  top: 90px;
}

@media (max-width: 900px) {
  .sidebar-sticky {
    position: static !important;
  }
}

.score-ring {
  filter: drop-shadow(0 0 15px rgba(16, 185, 129, 0.25));
  transition: all 0.3s ease;
}

.score-ring:hover {
  transform: scale(1.03);
}

.score-ring circle.fill {
  transition: stroke-dashoffset 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.result-item {
  background: var(--t-bg-surface);
  border: 1.5px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.result-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.result-item.correct {
  border-left: 5px solid var(--success);
}

.result-item.correct:hover {
  border-color: rgba(52, 211, 153, 0.4) rgba(255, 255, 255, 0.12) rgba(255, 255, 255, 0.12) rgba(52, 211, 153, 0.6);
  box-shadow: 0 10px 25px rgba(52, 211, 153, 0.08), 0 6px 20px rgba(0, 0, 0, 0.15);
}

.result-item.incorrect {
  border-left: 5px solid var(--danger);
}

.result-item.incorrect:hover {
  border-color: rgba(248, 113, 113, 0.4) rgba(255, 255, 255, 0.12) rgba(255, 255, 255, 0.12) rgba(248, 113, 113, 0.6);
  box-shadow: 0 10px 25px rgba(248, 113, 113, 0.08), 0 6px 20px rgba(0, 0, 0, 0.15);
}

.result-item.skipped {
  border-left: 5px solid #f59e0b;
}

.result-item.skipped:hover {
  border-color: rgba(245, 158, 11, 0.4) rgba(255, 255, 255, 0.12) rgba(255, 255, 255, 0.12) rgba(245, 158, 11, 0.6);
  box-shadow: 0 10px 25px rgba(245, 158, 11, 0.08), 0 6px 20px rgba(0, 0, 0, 0.15);
}

.result-option {
  padding: 0.75rem 1rem;
  border-radius: 10px;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--t-hover-bg);
  border: 1.2px solid rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.result-option.is-correct {
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.35);
  color: var(--success);
  font-weight: 600;
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.05);
}

.result-option.is-wrong {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.35);
  color: var(--danger);
  font-weight: 600;
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.05);
}

.explanation-box {
  background: rgba(129, 140, 248, 0.07);
  border: 1px solid rgba(129, 140, 248, 0.2);
  border-radius: 10px;
  padding: 1rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-top: 1rem;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

/* ── Mechanical Language Toggle Widget ── */
.radio-input {
  display: flex;
  height: 310px;
  align-items: center;
  justify-content: flex-start;
  margin-top: 1rem;
}

.glass {
  z-index: 2;
  height: 100%;
  width: 95px;
  margin-right: 25px;
  padding: 8px;
  background-color: rgba(255, 255, 255, 0.04);
  border-radius: 35px;
  box-shadow: rgba(50, 50, 93, 0.2) 0px 25px 50px -10px,
    rgba(0, 0, 0, 0.25) 0px 10px 30px -15px,
    rgba(10, 37, 64, 0.26) 0px -2px 6px 0px inset;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.glass-inner {
  width: 100%;
  height: 100%;
  border-color: rgba(255, 255, 255, 0.06);
  border-width: 9px;
  border-style: solid;
  border-radius: 30px;
}

.selector {
  display: flex;
  flex-direction: column;
}

.choice {
  margin: 10px 0 10px 0;
  display: flex;
  align-items: center;
}

.choice > div {
  position: relative;
  width: 41px;
  height: 41px;
  margin-right: 15px;
  z-index: 0;
}

.choice-circle {
  appearance: none;
  height: 100%;
  width: 100%;
  border-radius: 100%;
  border-width: 9px;
  border-style: solid;
  border-color: rgba(255, 255, 255, 0.1);
  cursor: pointer;
  box-shadow: 0px 0px 20px -13px gray, 0px 0px 20px -14px gray inset;
  background: var(--t-bg-surface);
  outline: none;
}

.choice-circle:focus {
  border-color: var(--accent);
}

.ball {
  z-index: 1;
  position: absolute;
  inset: 0px;
  transform: translateX(-95px);
  box-shadow: rgba(0, 0, 0, 0.17) 0px -10px 10px 0px inset,
    rgba(0, 0, 0, 0.15) 0px -15px 15px 0px inset,
    rgba(0, 0, 0, 0.1) 0px -40px 20px 0px inset, rgba(0, 0, 0, 0.06) 0px 2px 1px,
    rgba(0, 0, 0, 0.09) 0px 4px 2px, rgba(0, 0, 0, 0.09) 0px 8px 4px,
    rgba(0, 0, 0, 0.09) 0px 16px 8px, rgba(0, 0, 0, 0.09) 0px 32px 16px,
    0px -1px 15px -8px rgba(0, 0, 0, 0.09);
  border-radius: 100%;
  transition: transform 800ms cubic-bezier(1, -0.4, 0, 1.4);
  background-color: var(--accent);
  pointer-events: none;
}

.choice-circle:checked + .ball {
  transform: translateX(0px);
}

/* Beautiful distinct colors per selected ball */
#glass-sa:checked + .ball { background-color: #f97316; }
#glass-en:checked + .ball { background-color: #3b82f6; }
#glass-hi:checked + .ball { background-color: var(--t-accent-hover); }
#glass-kn:checked + .ball { background-color: #eab308; }
#glass-te:checked + .ball { background-color: #14b8a6; }

.choice-name {
  color: rgb(177, 176, 176);
  font-size: 18px;
  font-weight: 700;
  font-family: 'Outfit', sans-serif;
  cursor: pointer;
  transition: color 0.3s ease;
  user-select: none;
}

.choice:hover .choice-name {
  color: #fff;
}

.choice:has(.choice-circle:checked) .choice-name {
  color: #fff;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}


/* ── Vyakhya AI Chat Component ── */
.vyakhya-section {
  margin-top: 1.25rem;
  border-top: 1px dashed var(--border-light);
  padding-top: 1.25rem;
}

.vyakhya-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-light);
  color: var(--accent);
  border: 1px solid rgba(129, 140, 248, 0.2);
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
  font-family: inherit;
}

.vyakhya-toggle-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
  transform: translateY(-1px);
}

.vyakhya-toggle-btn:active {
  transform: translateY(0);
}

.vyakhya-chat-box {
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-top: 0.85rem;
  overflow: hidden;
  animation: slideDownFade 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.vyakhya-chat-messages {
  flex-grow: 1;
  max-height: 280px;
  overflow-y: auto;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

/* Custom Scrollbar for Chat Messages */
.vyakhya-chat-messages::-webkit-scrollbar {
  width: 6px;
}
.vyakhya-chat-messages::-webkit-scrollbar-track {
  background: transparent;
}
.vyakhya-chat-messages::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 99px;
}
.vyakhya-chat-messages::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

.vyakhya-message {
  display: flex;
  gap: 0.6rem;
  max-width: 85%;
  line-height: 1.5;
  font-size: 0.9rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  animation: popIn 0.25s ease;
  word-break: break-word;
}

.vyakhya-message.user {
  align-self: flex-end;
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  color: #fff;
  border-bottom-right-radius: 4px;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.15);
}

.vyakhya-message.ai {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}

.vyakhya-message.system {
  align-self: center;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-muted);
  font-style: italic;
  font-size: 0.82rem;
  max-width: 95%;
  border: 1px solid rgba(255, 255, 255, 0.03);
  text-align: center;
}

.vyakhya-message-avatar {
  font-size: 1.1rem;
  line-height: 1;
  user-select: none;
}

.vyakhya-message-content {
  flex-grow: 1;
}

.vyakhya-message-content p {
  margin-bottom: 0.5rem;
}
.vyakhya-message-content p:last-child {
  margin-bottom: 0;
}
.vyakhya-message-content strong {
  color: #fff;
}
.vyakhya-message-content code {
  background: rgba(255, 255, 255, 0.1);
  padding: 0.1rem 0.3rem;
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.85em;
}

.vyakhya-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--border-light);
  background: rgba(0, 0, 0, 0.15);
}

.suggestion-chip {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.35rem 0.75rem;
  border-radius: 99px;
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.suggestion-chip:hover {
  background: var(--accent-light);
  color: var(--accent);
  border-color: rgba(129, 140, 248, 0.3);
  transform: translateY(-1px);
}

.vyakhya-input-row {
  display: flex;
  gap: 0.5rem;
  padding: 0.85rem 1.25rem;
  border-top: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.2);
  align-items: center;
}

.vyakhya-input {
  flex-grow: 1;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.9rem;
  color: var(--text-primary);
  font-size: 0.88rem;
  font-family: inherit;
  outline: none;
  transition: all 0.2s ease;
}

.vyakhya-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(129, 140, 248, 0.15);
}

.vyakhya-send-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.vyakhya-send-btn:hover {
  box-shadow: 0 0 10px var(--accent-glow);
  transform: scale(1.05);
}

.vyakhya-send-btn:active {
  transform: scale(0.95);
}

.vyakhya-send-btn svg {
  stroke: #fff;
  margin-left: 1px;
}

/* Typing Indicator */
.vyakhya-typing {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0.25rem 0;
}

.vyakhya-typing span {
  width: 6px;
  height: 6px;
  background: var(--text-muted);
  border-radius: 50%;
  opacity: 0.4;
  animation: typingBounce 1.4s infinite ease-in-out both;
}

.vyakhya-typing span:nth-child(1) { animation-delay: -0.32s; }
.vyakhya-typing span:nth-child(2) { animation-delay: -0.16s; }

@keyframes typingBounce {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1); }
}

@keyframes slideDownFade {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes popIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(4px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}


/* ── Question Feedback Component ── */
.feedback-thumb-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.55rem;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.feedback-thumb-btn:hover {
  background: var(--accent-light);
  transform: scale(1.08);
}

.feedback-thumb-btn.up.active {
  background: rgba(52, 211, 153, 0.15);
  border-color: var(--success);
  box-shadow: 0 0 8px rgba(52, 211, 153, 0.2);
}

.feedback-thumb-btn.down.active {
  background: rgba(239, 68, 68, 0.15);
  border-color: var(--danger-text);
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.2);
}

.feedback-comment-box {
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  margin-top: 0.65rem;
  animation: slideDownFade 0.25s ease-out;
}

.feedback-comment-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.4rem;
}

.suggestion-chip.mini {
  padding: 0.25rem 0.5rem;
  font-size: 0.72rem;
  border-radius: var(--radius-sm);
}

.feedback-comment-input {
  flex-grow: 1;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.75rem;
  color: var(--text-primary);
  font-size: 0.82rem;
  font-family: inherit;
  outline: none;
  transition: all 0.2s ease;
}

.feedback-comment-input:focus {
  border-color: var(--accent);
}

.feedback-submit-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.45rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.feedback-submit-btn:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 8px var(--accent-glow);
}

/* ── Export Dropdown ── */
.export-dropdown {
  position: relative;
  display: inline-block;
}

.export-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  z-index: 200;
  min-width: 180px;
  overflow: hidden;
}

.export-dropdown-menu button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.6rem 1rem;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 0.85rem;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s;
}

.export-dropdown-menu button:hover {
  background: var(--bg-hover, rgba(99, 102, 241, 0.08));
}

/* ── Feedback Import Drop Zone ── */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 2rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  background: var(--bg-body);
  text-align: center;
}

.upload-zone:hover {
  border-color: var(--accent);
  background: var(--accent-light, rgba(99, 102, 241, 0.04));
}

.upload-zone .upload-icon {
  font-size: 2rem;
}

.upload-zone .upload-text {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}


/* ── Responsive Instructions Modal helpers ── */
.quick-instructions-body {
  padding: 1.5rem 2.5rem;
  max-height: 85vh;
  overflow-y: auto;
}

.quick-instructions-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 1rem;
}

.palette-symbols-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

@media (min-width: 768px) {
  .quick-instructions-grid {
    grid-template-columns: 1fr 1fr;
  }
  .palette-symbols-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .modal-overlay .modal {
    width: 94% !important;
    max-height: 90vh !important;
    margin: 10px auto !important;
    border-radius: var(--radius-lg) !important;
  }
  
  .modal-overlay .modal > div:first-child {
    padding: 0.9rem 1rem !important;
  }
  
  .modal-overlay .modal > div:first-child div {
    font-size: 1.05rem !important;
  }
  
  .quick-instructions-body {
    padding: 1.15rem 1rem !important;
  }
  
  .quick-instructions-body h2 {
    font-size: 1.15rem !important;
    margin-bottom: 1rem !important;
  }
  
  .quick-instructions-body h3 {
    font-size: 0.9rem !important;
    margin-bottom: 0.5rem !important;
  }
  
  .quick-instructions-body p, 
  .quick-instructions-body li {
    font-size: 0.82rem !important;
    line-height: 1.45 !important;
    margin-bottom: 0.45rem !important;
  }
  
  .quick-instructions-grid {
    gap: 1.25rem !important;
  }
  
  .palette-symbols-grid {
    gap: 0.5rem !important;
  }
  
  .instruction-row {
    margin-bottom: 0.4rem !important;
  }
}

/* ══════════════════════════════════════════════════════════════
   📱 QUIZ ATTENDING PAGE — MOBILE REDESIGN (quiz.html)
   Full mobile-first overhaul for the quiz environment.
══════════════════════════════════════════════════════════════ */

/* ── Language Dropdown (quiz.html navbar) ── */
.lang-dropdown-container {
  position: relative;
  display: inline-block;
}

.lang-dropdown-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.75rem;
  background: var(--t-hover-bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  color: var(--t-text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
  white-space: nowrap;
}

.lang-dropdown-btn:hover {
  background: var(--accent-light);
  color: var(--accent);
  border-color: var(--t-accent-alpha-20);
}

.lang-dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--t-bg-overlay, var(--bg-white));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  min-width: 140px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  padding: 6px 0;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 300;
}

.lang-dropdown-container.active .lang-dropdown-menu {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.lang-option {
  padding: 8px 14px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  text-decoration: none;
  display: block;
  transition: all 0.15s ease;
  font-weight: 500;
}

.lang-option:hover,
.lang-option.active {
  background: var(--t-hover-bg);
  color: var(--t-text-primary);
}

.lang-option.active {
  color: var(--accent);
  font-weight: 700;
}

/* ── Quiz Attending: Palette toggle button (mobile only — hidden on desktop) ── */
.palette-toggle-btn {
  display: none;
}

/* ══════════════════════════════════════════════════════════════
   📱 QUIZ INDEX — MOBILE REDESIGN (max-width: 768px)
   Full mobile-first overhaul for the quiz home page.
══════════════════════════════════════════════════════════════ */

@media (max-width: 768px) {

  /* ── Container padding ── */
  .container.container-lg {
    padding: 0.75rem 0.85rem 7rem;
  }

  /* ── Navbar ── */
  .navbar {
    padding: 10px 14px !important;
    height: 56px;
  }

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

  .navbar-logo {
    width: 24px;
    height: 24px;
  }

  .navbar-home-btn {
    width: 32px;
    height: 32px;
  }

  .navbar-brand-group {
    gap: 8px;
  }

  /* ── Layout: stack sidebar on top ── */
  .quiz-home-layout {
    grid-template-columns: 1fr !important;
    gap: 0.85rem !important;
    margin-top: 0.75rem !important;
  }

  /* ── Sidebar ── */
  .quiz-home-sidebar {
    order: 1;
  }

  .quiz-home-main {
    order: 2;
  }

  /* ── Profile Card: compact horizontal row on mobile ── */
  .quiz-home-sidebar > .premium-card:first-child {
    padding: 0.85rem !important;
    margin-bottom: 0.75rem !important;
  }

  /* Player profile identity card on mobile — full-width pill row */
  .identity-card {
    flex-direction: row !important;
    align-items: center !important;
    gap: 10px !important;
    padding: 0.55rem 0.75rem !important;
    margin-bottom: 0.6rem !important;
    border-radius: 12px !important;
    text-align: left !important;
  }

  #sidebarAvatar {
    width: 36px !important;
    height: 36px !important;
    font-size: 16px !important;
  }

  #sidebarPlayerName {
    font-size: 0.88rem !important;
  }

  #sidebarPlayerRole {
    font-size: 0.7rem !important;
  }

  /* Guest name input — compact */
  .player-name-field label {
    font-size: 0.75rem !important;
  }

  .player-name-field .form-input {
    padding: 0.45rem 0.7rem 0.45rem 2rem !important;
    font-size: 0.82rem !important;
  }

  #authStatusBadge {
    font-size: 0.75rem !important;
    margin-top: 4px !important;
  }

  /* ── Language Card: compact ── */
  .quiz-home-sidebar > .premium-card:last-child {
    padding: 0.85rem !important;
  }

  .sidebar-section-title {
    font-size: 0.72rem !important;
    margin-bottom: 0.4rem !important;
  }

  .glass-radio-group {
    border-radius: 0.75rem !important;
  }

  .glass-radio-group label {
    font-size: 0.72rem !important;
    padding: 0.65rem 0.15rem !important;
    min-width: 44px !important;
  }

  /* ── Explorer Main Card ── */
  .quiz-home-main > .premium-card {
    padding: 1rem !important;
    min-height: unset !important;
  }

  /* Explorer title row — stack search below title */
  .quiz-home-main > .premium-card > div:first-child {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.65rem !important;
    margin-bottom: 0.85rem !important;
  }

  /* Search input — full width */
  .explorer-search-wrapper {
    width: 100% !important;
    min-width: unset !important;
    margin: 0 !important;
  }

  .explorer-search-input {
    padding: 0.65rem 0.9rem 0.65rem 2.2rem !important;
    font-size: 0.85rem !important;
  }

  /* Explorer header title text */
  .quiz-home-main > .premium-card > div:first-child > div:first-child {
    font-size: 0.95rem !important;
  }

  /* ── Breadcrumbs ── */
  .explorer-breadcrumbs {
    padding: 0.5rem 0.75rem !important;
    font-size: 0.78rem !important;
    gap: 0.3rem !important;
    flex-wrap: wrap !important;
    border-radius: 10px !important;
    margin-bottom: 0.85rem !important;
  }

  /* ── Explorer Grid: 2 columns ── */
  .explorer-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.65rem !important;
  }

  /* ── Explorer Item Card ── */
  .explorer-item-card {
    padding: 0.9rem 0.65rem !important;
    border-radius: 12px !important;
  }

  .explorer-item-icon-wrapper {
    width: 64px !important;
    height: 64px !important;
    border-radius: 14px !important;
    margin-bottom: 0.6rem !important;
  }

  .explorer-item-icon-wrapper svg {
    width: 40px !important;
    height: 40px !important;
  }

  .explorer-item-icon-wrapper img {
    width: 54px !important;
    height: 54px !important;
  }

  .explorer-item-icon-wrapper span {
    font-size: 2.2rem !important;
  }

  .explorer-item-name {
    font-size: 0.78rem !important;
    font-weight: 600 !important;
    line-height: 1.3 !important;
  }

  /* Small path label shown in search results */
  .explorer-item-card > div[style*="font-size: 0.72rem"] {
    font-size: 0.65rem !important;
  }

  .pill-badge {
    font-size: 0.65rem !important;
    padding: 0.14rem 0.5rem !important;
    margin-top: 0.35rem !important;
  }

  /* Hover arrow — hide on touch */
  .explorer-item-card::after {
    display: none !important;
  }

  /* No touch scale jump */
  .explorer-item-card.folder-node:hover,
  .explorer-item-card.quiz-node:hover {
    transform: none !important;
  }

  /* ── Footer ── */
  .footer {
    margin-top: 2rem;
    padding: 1.5rem 1rem;
  }

  .footer-quote {
    font-size: 0.88rem;
  }

  .footer-links {
    font-size: 0.78rem;
  }

  .footer > div:last-child {
    gap: 8px !important;
  }

  .footer > div:last-child a {
    padding: 6px 12px !important;
    font-size: 0.78em !important;
  }

  /* ── Search empty state ── */
  .search-empty-state {
    padding: 2rem 1rem !important;
  }

  /* ── Toast position ── */
  .toast-container {
    right: 0.75rem !important;
    top: 4rem !important;
  }

  .toast {
    min-width: 200px !important;
    font-size: 0.82rem !important;
    padding: 0.7rem 0.9rem !important;
  }
}

/* ── Tiny phones: keep 2-col but shrink further ── */
@media (max-width: 380px) {
  .explorer-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.5rem !important;
  }

  .explorer-item-card {
    padding: 0.75rem 0.5rem !important;
  }

  .explorer-item-icon-wrapper {
    width: 52px !important;
    height: 52px !important;
  }

  .explorer-item-name {
    font-size: 0.72rem !important;
  }

  .glass-radio-group label {
    font-size: 0.65rem !important;
    padding: 0.6rem 0.1rem !important;
    min-width: 38px !important;
  }
}

/* ══════════════════════════════════════════════════════════════
   📱 MODALS — MOBILE SLIDE-UP BOTTOM SHEET
   Quick start and instructions modals become bottom sheets.
══════════════════════════════════════════════════════════════ */

@media (max-width: 768px) {

  /* ── Quick Start Modal: bottom sheet ── */
  #quickStartModal.active {
    align-items: flex-end !important;
    padding: 0 !important;
  }

  #quickStartModal .modal {
    border-radius: 24px 24px 0 0 !important;
    max-width: 100% !important;
    width: 100% !important;
    padding: 0 !important;
    max-height: 85vh !important;
    transform: translateY(100%) !important;
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1) !important;
  }

  #quickStartModal.active .modal {
    transform: translateY(0) !important;
  }

  /* Drag handle bar */
  #quickStartModal .modal::before {
    content: '';
    display: block;
    width: 36px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 99px;
    margin: 10px auto 0;
  }

  /* Inner content padding */
  #quickStartModal .modal > div:last-child {
    padding: 1.25rem 1.5rem 2.5rem !important;
  }

  #quickStartModal .modal > div:first-child {
    padding: 0.85rem 1.25rem !important;
    border-bottom: 1px solid var(--border);
  }

  /* Action buttons: stack vertically, reversed order */
  #quickStartModal .modal > div:last-child > div:last-child {
    flex-direction: column-reverse !important;
    gap: 0.6rem !important;
  }

  /* Start button full-width */
  #quickStartBtn {
    width: 100% !important;
    padding: 0.95rem !important;
    font-size: 1rem !important;
    border-radius: 12px !important;
    flex: unset !important;
  }

  /* Instructions link button full-width */
  #quickStartModal .btn-secondary {
    width: 100% !important;
    justify-content: center !important;
    padding: 0.75rem !important;
    flex: unset !important;
  }

  /* Select dropdown */
  #quickLimitSelect {
    font-size: 1rem !important;
    padding: 0.75rem 1rem !important;
  }

  /* ── Instructions Modal: bottom sheet ── */
  #quickInstructionsModal.active {
    align-items: flex-end !important;
    padding: 0 !important;
  }

  #quickInstructionsModal .modal {
    border-radius: 24px 24px 0 0 !important;
    max-width: 100% !important;
    width: 100% !important;
    padding: 0 !important;
    max-height: 92vh !important;
    transform: translateY(100%) !important;
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1) !important;
  }

  #quickInstructionsModal.active .modal {
    transform: translateY(0) !important;
  }

  #quickInstructionsModal .modal::before {
    content: '';
    display: block;
    width: 36px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 99px;
    margin: 10px auto 0;
  }

  .quick-instructions-body {
    padding: 1rem 1.25rem 2rem !important;
    max-height: 80vh !important;
  }

  #quickInstructionsModal .modal > div:last-child {
    padding: 0.75rem 1.25rem 1.75rem !important;
  }

  #quickInstructionsModal .modal > div:last-child .btn-secondary {
    width: 100% !important;
    justify-content: center !important;
    padding: 0.85rem !important;
  }

  /* Ambient blobs reduce on mobile for perf */
  .ambient-blob {
    opacity: 0.15 !important;
  }
}

/* ══════════════════════════════════════════════════════════════
   📱 QUIZ ATTENDING PAGE — MOBILE RESPONSIVE (quiz.html)
   Handles quiz.html mobile layout, palette sidebar, and actions.
══════════════════════════════════════════════════════════════ */

@media (max-width: 768px) {

  /* ── Container ── */
  .container.container-lg.mt-2 {
    padding: 0.75rem 0.75rem 6rem;
  }

  /* ── Navbar: quiz.html specific ── */
  #playerGreeting {
    display: none !important;
  }

  .lang-dropdown-btn {
    padding: 0.35rem 0.55rem;
    font-size: 0.75rem;
    gap: 0.25rem;
  }

  /* ── Quiz Layout: single column, palette below question ── */
  .quiz-layout {
    grid-template-columns: 1fr !important;
    gap: 1rem !important;
  }

  .quiz-main {
    order: 1;
  }

  /* ── Quiz Header: stack badges and timer ── */
  .quiz-header {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.5rem !important;
    padding: 0.75rem 1rem !important;
  }

  .quiz-header .quiz-meta {
    width: 100%;
    justify-content: flex-end;
  }

  .timer {
    font-size: 0.92rem !important;
    padding: 0.35rem 0.75rem !important;
  }

  /* ── Question Card ── */
  #questionCard {
    padding: 1rem !important;
  }

  .question-text {
    font-size: 1rem !important;
    margin-bottom: 1.1rem !important;
  }

  .option-item {
    padding: 0.75rem 0.9rem !important;
    gap: 0.65rem !important;
  }

  .option-label {
    font-size: 0.88rem !important;
  }

  /* ── Action Buttons: stack on mobile ── */
  .quiz-main .flex-between {
    flex-direction: column !important;
    gap: 0.6rem !important;
    align-items: stretch !important;
  }

  .quiz-main .btn-group {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 0.5rem !important;
  }

  #reviewBtn,
  #clearBtn {
    font-size: 0.78rem !important;
    padding: 0.6rem 0.5rem !important;
    justify-content: center !important;
    text-align: center !important;
  }

  #saveNextBtn {
    width: 100% !important;
    padding: 0.85rem !important;
    font-size: 0.95rem !important;
    justify-content: center !important;
    border-radius: 10px !important;
  }

  /* ── Palette Sidebar: compact, below question ── */
  .palette-card {
    position: static !important;
    order: 2;
    padding: 1rem !important;
  }

  .palette-header {
    font-size: 0.82rem !important;
    margin-bottom: 0.75rem !important;
  }

  /* Palette grid: 6 columns for compact numbers display */
  .palette-grid {
    grid-template-columns: repeat(6, 1fr) !important;
    gap: 0.45rem !important;
    margin-bottom: 1rem !important;
  }

  .palette-btn {
    font-size: 0.78rem !important;
  }

  /* Legend: single column on mobile */
  .status-legend {
    grid-template-columns: 1fr 1fr !important;
    gap: 0.5rem !important;
    font-size: 0.72rem !important;
    padding-top: 0.75rem !important;
  }

  .legend-symbol {
    width: 16px !important;
    height: 16px !important;
    font-size: 0.6rem !important;
  }

  #submitExamBtn {
    padding: 0.75rem !important;
    font-size: 0.9rem !important;
  }

  /* ── Submit Confirmation Modal: bottom sheet ── */
  #submitConfirmModal.active {
    align-items: flex-end !important;
    padding: 0 !important;
  }

  #submitConfirmModal .modal {
    border-radius: 24px 24px 0 0 !important;
    max-width: 100% !important;
    width: 100% !important;
    text-align: center;
    transform: translateY(100%) !important;
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1) !important;
    max-height: 75vh !important;
    padding: 1.5rem 1.5rem 2.5rem !important;
  }

  #submitConfirmModal.active .modal {
    transform: translateY(0) !important;
  }

  /* Drag handle for submit modal */
  #submitConfirmModal .modal::before {
    content: '';
    display: block;
    width: 36px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 99px;
    margin: -0.5rem auto 1.25rem;
  }

  #submitConfirmModal .modal h2 {
    font-size: 1.1rem !important;
  }

  #submitConfirmModal .modal p {
    font-size: 0.85rem !important;
    margin-bottom: 1rem !important;
  }

  #submitConfirmModal .modal > div:last-child {
    flex-direction: column-reverse !important;
    gap: 0.6rem !important;
  }

  #cancelSubmitBtn,
  #confirmSubmitBtn {
    width: 100% !important;
    padding: 0.85rem !important;
    justify-content: center !important;
  }

  /* ── Language dropdown on mobile ── */
  .lang-dropdown-menu {
    right: 0;
    min-width: 130px;
  }
}

/* ── Ultra-small phones (< 380px) ── */
@media (max-width: 380px) {

  .quiz-layout {
    gap: 0.75rem !important;
  }

  #questionCard {
    padding: 0.85rem !important;
  }

  .question-text {
    font-size: 0.95rem !important;
  }

  .palette-grid {
    grid-template-columns: repeat(5, 1fr) !important;
    gap: 0.4rem !important;
  }

  .quiz-main .btn-group {
    grid-template-columns: 1fr 1fr !important;
  }

  #reviewBtn,
  #clearBtn {
    font-size: 0.72rem !important;
    padding: 0.55rem 0.4rem !important;
  }
}

/* ══════════ Share Result Button ══════════ */
.share-result-btn {
  background: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.92rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3), 0 0 0 0 rgba(168, 85, 247, 0);
  position: relative;
  overflow: hidden;
}

.share-result-btn::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.6s ease;
}

.share-result-btn:hover {
  transform: scale(1.03) translateY(-1px);
  box-shadow: 0 6px 25px rgba(99, 102, 241, 0.4), 0 0 20px rgba(168, 85, 247, 0.15);
}

.share-result-btn:hover::before {
  left: 100%;
}

.share-result-btn:active {
  transform: scale(0.97);
}

.share-result-btn:disabled {
  opacity: 0.85;
  cursor: wait;
}

.share-btn-content {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  position: relative;
  z-index: 1;
}

.share-btn-icon {
  font-size: 1.15rem;
  display: inline-block;
}

.share-btn-icon.spinning {
  animation: spinIcon 0.6s linear infinite;
}

@keyframes spinIcon {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.share-btn-sparkles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.share-btn-sparkles .sparkle {
  position: absolute;
  font-size: 0.7rem;
  opacity: 0;
  animation: sparkleFloat 2.5s ease-in-out infinite;
}

.share-btn-sparkles .sparkle:nth-child(1) {
  left: 10%;
  animation-delay: 0s;
}
.share-btn-sparkles .sparkle:nth-child(2) {
  left: 50%;
  animation-delay: 0.8s;
}
.share-btn-sparkles .sparkle:nth-child(3) {
  left: 85%;
  animation-delay: 1.6s;
}

@keyframes sparkleFloat {
  0% {
    opacity: 0;
    bottom: -10%;
    transform: translateX(0) scale(0.5);
  }
  30% {
    opacity: 0.9;
    transform: translateX(-5px) scale(1);
  }
  70% {
    opacity: 0.6;
    transform: translateX(5px) scale(0.8);
  }
  100% {
    opacity: 0;
    bottom: 110%;
    transform: translateX(-2px) scale(0.3);
  }
}

/* ══════════ Redesigned Results Page ══════════ */

.results-hero {
  position: relative;
  background: var(--t-bg-surface);
  border-bottom: 1px solid var(--t-border);
  overflow: hidden;
  padding: 2.5rem 1.5rem 2rem;
  text-align: center;
}
.results-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 80% at 50% 0%, rgba(129,140,248,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.confetti-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}
.results-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}
.results-hero-emoji {
  font-size: 3.5rem;
  line-height: 1;
  animation: heroPop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}
@keyframes heroPop {
  0%   { transform: scale(0.4) rotate(-10deg); opacity: 0; }
  100% { transform: scale(1) rotate(0deg); opacity: 1; }
}
.results-hero-name {
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  font-weight: 800;
  color: var(--t-text-primary);
  margin: 0;
  animation: rFadeUp 0.5s 0.15s ease both;
}
.results-hero-sub {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin: 0;
  animation: rFadeUp 0.5s 0.25s ease both;
}
@keyframes rFadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.results-hero-ring-wrap {
  margin: 0.75rem 0 0.25rem;
  animation: rFadeUp 0.5s 0.3s ease both;
}
.results-hero-ring {
  width: 180px;
  height: 180px;
  filter: drop-shadow(0 0 20px rgba(129,140,248,0.3));
}
.results-hero-ring .score-value {
  font-size: 2.2rem;
  font-weight: 800;
}
.results-hero-message {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--t-text-primary);
  animation: rFadeUp 0.5s 0.35s ease both;
}
.results-hero-pct {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 600;
  animation: rFadeUp 0.5s 0.4s ease both;
}

/* Stats Row */
.results-stats-row {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  width: 100%;
  margin-top: 0.75rem;
  animation: rFadeUp 0.5s 0.45s ease both;
}
.rstat-card {
  flex: 1;
  min-width: 90px;
  max-width: 140px;
  padding: 0.75rem 0.5rem;
  border-radius: 14px;
  text-align: center;
  border: 1.5px solid transparent;
  transition: transform 0.2s ease;
}
.rstat-card:hover { transform: translateY(-2px); }
.rstat-correct { background: var(--success-bg); border-color: var(--success-border); }
.rstat-wrong   { background: var(--danger-bg);  border-color: var(--danger-border); }
.rstat-skip    { background: var(--warning-bg); border-color: var(--warning-border); }
.rstat-val {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.2rem;
}
.rstat-correct .rstat-val { color: var(--success); }
.rstat-wrong   .rstat-val { color: var(--danger); }
.rstat-skip    .rstat-val { color: var(--warning); }
.rstat-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

/* Meta Pills */
.results-meta-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: center;
  margin-top: 0.5rem;
  animation: rFadeUp 0.5s 0.5s ease both;
}
.rmeta-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--accent-light);
  color: var(--accent);
  border: 1px solid var(--t-accent-alpha-15);
  white-space: nowrap;
}
.rmeta-pill.rmeta-green {
  background: var(--success-bg);
  color: var(--success);
  border-color: var(--success-border);
}
.rmeta-pill.rmeta-accent {
  background: rgba(129,140,248,0.12);
  color: var(--accent);
  border-color: rgba(129,140,248,0.2);
}

/* Action Bar */
.results-action-bar {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.85rem 1.5rem;
  background: var(--t-bg-header);
  border-bottom: 1px solid var(--t-border);
  position: sticky;
  top: 64px;
  z-index: 90;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.rab-btn {
  padding: 0.6rem 1.25rem !important;
  font-size: 0.88rem !important;
}

/* Review Section */
.results-review-container {
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}
.results-review-card { padding: 1.5rem; }
.results-review-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--t-border);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--t-text-primary);
}
.results-review-sub {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
}
.results-filter-tabs {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin-left: auto;
}
.rfilter-btn {
  padding: 0.3rem 0.75rem;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1.5px solid var(--t-border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}
.rfilter-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-light);
}
.rfilter-btn.active {
  background: var(--accent);
  color: var(--t-text-on-accent);
  border-color: var(--accent);
}

/* Mobile responsive */
@media (max-width: 640px) {
  .results-hero { padding: 1.75rem 1rem 1.5rem; }
  .results-hero-emoji { font-size: 2.75rem; }
  .results-hero-ring, .results-hero-ring svg { width: 150px; height: 150px; }
  .results-hero-ring .score-value { font-size: 1.8rem; }
  .rstat-card { min-width: 80px; padding: 0.6rem 0.4rem; }
  .rstat-val  { font-size: 1.4rem; }
  .results-action-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    top: auto;
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--t-border);
    border-bottom: none;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.25);
    gap: 0.5rem;
    z-index: 200;
  }
  .rab-btn {
    flex: 1;
    padding: 0.65rem 0.5rem !important;
    font-size: 0.78rem !important;
    justify-content: center;
  }
  .results-review-container { padding-bottom: 5rem; }
  .results-review-card { padding: 1rem; border-radius: 14px; }
  .results-review-header { flex-direction: column; align-items: flex-start; gap: 0.6rem; }
  .results-filter-tabs { margin-left: 0; width: 100%; }
  .rfilter-btn { flex: 1; text-align: center; font-size: 0.68rem; padding: 0.3rem 0.2rem; }
  .result-item { padding: 1rem; border-radius: 14px; }
}
@media (max-width: 480px) {
  .results-hero-name { font-size: 1.15rem; }
  .rmeta-pill { font-size: 0.72rem; padding: 0.25rem 0.65rem; }
  .rstat-label { font-size: 0.65rem; }
}