/* ============================================
   เตรียมสอบ ก.พ. — Design System v3
   Theme: Dark Navy + Gold Gaming/Premium
   ============================================ */

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

/* ── CSS Variables ── */
:root {
  /* Core palette */
  --navy-950: #050c1a;
  --navy-900: #0a1628;
  --navy-800: #0f2040;
  --navy-700: #162a54;
  --navy-600: #1e3a6e;
  --navy-500: #2a4f96;
  --navy-400: #3a6bc0;

  --gold-500: #f0b429;
  --gold-400: #f5c842;
  --gold-300: #fad76a;
  --gold-200: #fde89a;
  --gold-glow: rgba(240, 180, 41, 0.25);

  --surface-0: #050c1a;
  --surface-1: #0a1628;
  --surface-2: #0f2040;
  --surface-3: #162a54;
  --surface-card: rgba(15, 32, 64, 0.85);

  --text-primary: #e8edf5;
  --text-secondary: #8ca0c0;
  --text-muted: #4a5f80;
  --text-gold: #f0b429;

  --border-subtle: rgba(255,255,255,0.06);
  --border-card: rgba(240, 180, 41, 0.12);
  --border-active: rgba(240, 180, 41, 0.5);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-card: 0 4px 24px rgba(0,0,0,0.5), 0 1px 0 rgba(255,255,255,0.04) inset;
  --shadow-gold: 0 0 20px rgba(240,180,41,0.3), 0 4px 12px rgba(0,0,0,0.5);
  --shadow-btn: 0 4px 16px rgba(0,0,0,0.4);

  --font-display: 'Prompt', 'Sarabun', sans-serif;
  --font-body: 'Sarabun', sans-serif;

  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--surface-0);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Animated background grid */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(240,180,41,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(240,180,41,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

body > * { position: relative; z-index: 1; }

/* ── Typography ── */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.5rem); }

a { color: var(--gold-400); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--gold-300); }

/* ── Layout ── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}
.container-sm {
  max-width: 480px;
  margin: 0 auto;
  padding: 0 1.25rem;
}
.container-md {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ── Card ── */
.card {
  background: var(--surface-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.card-gold {
  border-color: var(--border-active);
  box-shadow: var(--shadow-card), 0 0 0 1px rgba(240,180,41,0.08) inset;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  padding: 0.75rem 1.5rem;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none !important;
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold-500) 0%, #e09810 100%);
  color: var(--navy-950);
  box-shadow: var(--shadow-gold);
}
.btn-gold:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--gold-400) 0%, var(--gold-500) 100%);
  transform: translateY(-2px);
  box-shadow: 0 0 28px rgba(240,180,41,0.45), 0 6px 20px rgba(0,0,0,0.5);
}
.btn-gold:active:not(:disabled) { transform: translateY(0); }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-active);
  color: var(--gold-400);
}
.btn-outline:hover:not(:disabled) {
  background: var(--gold-glow);
  transform: translateY(-1px);
}

.btn-ghost {
  background: rgba(255,255,255,0.05);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}
.btn-ghost:hover:not(:disabled) {
  background: rgba(255,255,255,0.09);
  color: var(--text-primary);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.25);
}
.btn-danger:hover:not(:disabled) {
  background: rgba(239, 68, 68, 0.25);
}

.btn-lg { padding: 1rem 2rem; font-size: 1.05rem; border-radius: var(--radius-lg); }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.85rem; border-radius: var(--radius-sm); }
.btn-full { width: 100%; }

/* ── Form inputs ── */
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.45rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-input::placeholder { color: var(--text-muted); }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--gold-500);
  box-shadow: 0 0 0 3px var(--gold-glow);
  background: rgba(255,255,255,0.06);
}
.form-select { appearance: none; cursor: pointer; }
.form-select option { background: var(--surface-1); color: var(--text-primary); }
.form-textarea { resize: vertical; min-height: 80px; }

.form-error {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: var(--radius-sm);
  color: #f87171;
  font-size: 0.875rem;
  padding: 0.65rem 1rem;
  margin-bottom: 1rem;
}
.form-success {
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.3);
  border-radius: var(--radius-sm);
  color: #4ade80;
  font-size: 0.875rem;
  padding: 0.65rem 1rem;
  margin-bottom: 1rem;
}

/* Checkbox custom */
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}
.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--gold-500);
  margin-top: 2px;
  flex-shrink: 0;
  cursor: pointer;
}

/* ── Navbar ── */
.navbar {
  background: rgba(5, 12, 26, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.25rem;
  max-width: 1100px;
  margin: 0 auto;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text-primary);
  text-decoration: none;
}
.navbar-brand .brand-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--gold-500), var(--gold-300));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: 0 0 12px var(--gold-glow);
}
.navbar-brand span.brand-accent { color: var(--gold-400); }
.navbar-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.navbar-nav a, .navbar-nav button {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.navbar-nav a:hover, .navbar-nav button:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.06);
}

/* ── EXP / Level Bar ── */
.level-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--gold-glow);
  border: 1px solid var(--border-active);
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--gold-400);
  letter-spacing: 0.04em;
}
.level-badge .lv-num { font-size: 1rem; font-family: var(--font-display); }

.exp-bar-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.exp-bar-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
}
.exp-bar-track {
  height: 8px;
  background: rgba(255,255,255,0.08);
  border-radius: 999px;
  overflow: hidden;
}
.exp-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold-500), var(--gold-300));
  border-radius: 999px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 8px var(--gold-glow);
}

/* ── Stat cards ── */
.stat-card {
  padding: 1.25rem 1.5rem;
  text-align: center;
}
.stat-card .stat-icon {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
  filter: drop-shadow(0 0 8px var(--gold-glow));
}
.stat-card .stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--gold-400);
  line-height: 1;
  margin-bottom: 0.25rem;
}
.stat-card .stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── Mode selector cards ── */
.mode-card {
  padding: 1.75rem;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.mode-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--gold-glow) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}
.mode-card:hover::before { opacity: 1; }
.mode-card:hover { border-color: var(--border-active); transform: translateY(-2px); }
.mode-card .mode-icon {
  font-size: 2.5rem;
  flex-shrink: 0;
  filter: drop-shadow(0 0 10px rgba(240,180,41,0.4));
}
.mode-card .mode-info { flex: 1; }
.mode-card .mode-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
}
.mode-card .mode-desc { font-size: 0.875rem; color: var(--text-secondary); }
.mode-card .mode-action { align-self: center; flex-shrink: 0; }

/* ── Count select buttons ── */
.count-group {
  display: flex;
  gap: 0.5rem;
}
.count-btn {
  flex: 1;
  padding: 0.6rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}
.count-btn:hover { border-color: var(--gold-500); color: var(--gold-400); }
.count-btn.active {
  background: var(--gold-glow);
  border-color: var(--gold-500);
  color: var(--gold-400);
  box-shadow: 0 0 12px var(--gold-glow);
}

/* ── Exam screen ── */
.exam-header {
  background: rgba(5,12,26,0.95);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}
.exam-timer {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--gold-400);
  letter-spacing: 0.05em;
  text-shadow: 0 0 16px var(--gold-glow);
}
.exam-timer.warning { color: #f87171; text-shadow: 0 0 16px rgba(248,113,113,0.4); }

.exam-progress-bar {
  height: 3px;
  background: rgba(255,255,255,0.08);
}
.exam-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold-500), var(--gold-300));
  transition: width 0.4s ease;
}

.question-number-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--gold-glow);
  border: 1px solid var(--border-active);
  border-radius: 999px;
  padding: 0.3rem 0.85rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--gold-400);
  margin-bottom: 1rem;
}

.question-text {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.option-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  margin-bottom: 0.75rem;
}
.option-item:hover {
  background: rgba(240,180,41,0.07);
  border-color: rgba(240,180,41,0.3);
  transform: translateX(4px);
}
.option-item.selected {
  background: var(--gold-glow);
  border-color: var(--gold-500);
  box-shadow: 0 0 16px var(--gold-glow);
}
.option-item.correct {
  background: rgba(34,197,94,0.12);
  border-color: rgba(34,197,94,0.5);
}
.option-item.wrong {
  background: rgba(239,68,68,0.1);
  border-color: rgba(239,68,68,0.4);
}
.option-bullet {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: all var(--transition);
}
.option-item.selected .option-bullet {
  background: var(--gold-500);
  border-color: var(--gold-500);
  color: var(--navy-950);
}

/* ── Question table ── */
.question-table {
  border-collapse: collapse;
  width: 100%;
  margin: 1rem 0 1.5rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-card);
}
.question-table th {
  background: rgba(240,180,41,0.1);
  color: var(--gold-400);
  font-weight: 700;
  padding: 0.6rem 0.9rem;
  text-align: left;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border-card);
}
.question-table td {
  padding: 0.6rem 0.9rem;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.question-table tr:last-child td { border-bottom: none; }
.question-table tr:hover td { background: rgba(255,255,255,0.02); }

/* ── Result / Score ── */
.score-ring-wrap {
  text-align: center;
  padding: 2rem;
}
.score-ring {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: conic-gradient(var(--gold-500) var(--pct, 0%), rgba(255,255,255,0.06) 0%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  position: relative;
  box-shadow: 0 0 30px var(--gold-glow);
}
.score-ring::before {
  content: '';
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  background: var(--surface-1);
}
.score-ring-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}
.score-ring-inner .score-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--gold-400);
  line-height: 1;
}
.score-ring-inner .score-total {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.exp-gained-banner {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--gold-glow), rgba(240,180,41,0.08));
  border: 1px solid var(--border-active);
  border-radius: var(--radius-lg);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gold-400);
  animation: pulseGold 2s ease infinite;
}
@keyframes pulseGold {
  0%, 100% { box-shadow: 0 0 12px var(--gold-glow); }
  50% { box-shadow: 0 0 24px rgba(240,180,41,0.5); }
}

/* ── Review card (เฉลย) ── */
.review-card {
  padding: 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  border: 1px solid;
}
.review-card.correct {
  background: rgba(34,197,94,0.07);
  border-color: rgba(34,197,94,0.25);
}
.review-card.wrong {
  background: rgba(239,68,68,0.07);
  border-color: rgba(239,68,68,0.25);
}
.review-q { font-weight: 600; color: var(--text-primary); margin-bottom: 0.6rem; }
.review-your-answer { font-size: 0.875rem; color: var(--text-secondary); }
.review-correct-answer { font-size: 0.875rem; color: #4ade80; font-weight: 600; }
.review-explanation {
  font-size: 0.85rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  margin-top: 0.75rem;
  padding-top: 0.75rem;
}

/* ── Loading spinner ── */
.spinner-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  min-height: 60vh;
}
.spinner {
  width: 44px;
  height: 44px;
  border: 3px solid rgba(255,255,255,0.08);
  border-top-color: var(--gold-500);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  box-shadow: 0 0 16px var(--gold-glow);
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 1rem;
}
.modal-box {
  background: var(--surface-2);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 2rem;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,255,255,0.04) inset;
}
.modal-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.modal-desc { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 1.5rem; line-height: 1.6; }
.modal-actions { display: flex; gap: 0.75rem; justify-content: flex-end; }

/* ── Warning banner (API key) ── */
.warning-banner {
  background: rgba(251,146,60,0.1);
  border: 1px solid rgba(251,146,60,0.25);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  font-size: 0.85rem;
  color: #fb923c;
  line-height: 1.5;
}

/* ── Admin sidebar ── */
.admin-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}
.admin-sidebar {
  background: var(--surface-1);
  border-right: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  padding: 1.25rem 0.75rem;
}
.admin-main { padding: 2rem; background: var(--surface-0); overflow-x: hidden; }

.admin-sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  transition: all var(--transition);
  text-decoration: none;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-body);
}
.admin-sidebar-link:hover { background: rgba(255,255,255,0.05); color: var(--text-primary); }
.admin-sidebar-link.active { background: var(--gold-glow); color: var(--gold-400); border: 1px solid var(--border-active); }

.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th {
  text-align: left;
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(255,255,255,0.02);
}
.admin-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: top;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.admin-table tr:hover td { background: rgba(255,255,255,0.02); color: var(--text-primary); }

/* ── Badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
}
.badge-ai { background: rgba(167,139,250,0.15); color: #a78bfa; border: 1px solid rgba(167,139,250,0.3); }
.badge-manual { background: rgba(34,197,94,0.12); color: #4ade80; border: 1px solid rgba(34,197,94,0.25); }
.badge-admin { background: var(--gold-glow); color: var(--gold-400); border: 1px solid var(--border-active); }
.badge-user { background: rgba(255,255,255,0.06); color: var(--text-secondary); border: 1px solid var(--border-subtle); }

/* ── FAQ accordion ── */
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s cubic-bezier(0.4,0,0.2,1); }

/* ── History item ── */
.history-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  text-decoration: none;
  margin-bottom: 0.6rem;
}
.history-item:hover { border-color: var(--border-active); background: rgba(240,180,41,0.04); }
.history-score { font-family: var(--font-display); font-weight: 800; color: var(--gold-400); }

/* ── Divider ── */
.divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}
.divider::before, .divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-subtle);
}

/* ── Page fade-in ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.45s cubic-bezier(0.4,0,0.2,1) both; }
.fade-up-1 { animation-delay: 0.05s; }
.fade-up-2 { animation-delay: 0.12s; }
.fade-up-3 { animation-delay: 0.2s; }
.fade-up-4 { animation-delay: 0.28s; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .admin-layout { grid-template-columns: 1fr; }
  .admin-sidebar { position: relative; height: auto; }
  .admin-main { padding: 1.25rem; }
  .mode-card { flex-direction: column; gap: 0.75rem; }
  .mode-card .mode-action { align-self: stretch; }
  .mode-card .mode-action .btn { width: 100%; }
}

/* ── Utility ── */
.text-gold { color: var(--gold-400); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.8rem; }
.font-display { font-family: var(--font-display); }
.font-bold { font-weight: 700; }
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.hidden { display: none !important; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }
@media (max-width: 600px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .count-group { flex-wrap: wrap; }
}
@media (max-width: 900px) {
  [style*="grid-template-columns:repeat(4"] { grid-template-columns: 1fr 1fr !important; }
}
@media (max-width: 480px) {
  [style*="grid-template-columns:repeat(4"] { grid-template-columns: 1fr !important; }
}