/* ============================================================
   Arapça Kelime — Main Stylesheet
   Dark-mode glassmorphism design with Arabic typography support
   ============================================================ */

:root {
  /* Palette */
  --bg-primary: #0a0e1a;
  --bg-secondary: #0f1629;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.08);
  --glass: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.1);

  --accent-gold: #f5c842;
  --accent-gold-dim: rgba(245, 200, 66, 0.15);
  --accent-teal: #2dd4bf;
  --accent-teal-dim: rgba(45, 212, 191, 0.15);
  --accent-purple: #a78bfa;
  --accent-purple-dim: rgba(167, 139, 250, 0.15);
  --accent-rose: #fb7185;

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #475569;

  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
  --shadow-glow-gold: 0 0 40px rgba(245,200,66,0.2);
  --shadow-glow-teal: 0 0 40px rgba(45,212,191,0.2);

  --nav-h: 70px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* Arabic text */
.arabic, [lang="ar"] {
  font-family: 'Amiri', 'Scheherazade New', serif;
  direction: rtl;
  font-size: 1.4em;
  letter-spacing: 0.02em;
}

/* ── Background ─────────────────────────────────────────── */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: -1;
  background:
    radial-gradient(ellipse 80% 60% at 10% 20%, rgba(167,139,250,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 90% 80%, rgba(45,212,191,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 50% 50%, rgba(245,200,66,0.04) 0%, transparent 60%),
    var(--bg-primary);
}

/* ── Navbar ─────────────────────────────────────────────── */
.navbar {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition);
}
.nav-container {
  max-width: 1280px; margin: 0 auto;
  height: 100%;
  display: flex; align-items: center; gap: 2rem;
  padding: 0 1.5rem;
}
.nav-brand {
  display: flex; align-items: center; gap: 0.5rem;
  font-weight: 800; font-size: 1.2rem;
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-teal));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.brand-icon { font-size: 1.4rem; filter: drop-shadow(0 0 8px rgba(245,200,66,0.5)); }
.nav-menu {
  display: flex; align-items: center; gap: 0.25rem;
  margin-left: auto;
}
.nav-link {
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9rem; font-weight: 500;
  transition: var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: var(--glass);
}
.nav-link.active { color: var(--accent-gold); }
.nav-admin { color: var(--accent-purple) !important; }
.nav-btn {
  padding: 0.5rem 1.2rem;
  background: linear-gradient(135deg, var(--accent-gold), #e6a817);
  color: #0a0e1a !important;
  border-radius: var(--radius-sm);
  font-weight: 700; font-size: 0.9rem;
  transition: var(--transition);
}
.nav-btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-glow-gold); }

/* User Menu */
.nav-user-menu { position: relative; }
.nav-user-btn {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.4rem 0.8rem;
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm); color: var(--text-primary);
  font-size: 0.9rem; font-weight: 500;
  transition: var(--transition);
}
.nav-user-btn:hover { background: var(--bg-card-hover); }
.user-avatar {
  width: 28px; height: 28px;
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-teal));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 700; color: #0a0e1a;
}
.user-dropdown {
  position: absolute; right: 0; top: calc(100% + 0.5rem);
  width: 200px;
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  opacity: 0; pointer-events: none; transform: translateY(-8px);
  transition: var(--transition);
}
.user-dropdown.open { opacity: 1; pointer-events: all; transform: translateY(0); }
.dropdown-header { padding: 0.75rem 1rem; border-bottom: 1px solid var(--glass-border); }
.dropdown-header strong { display: block; font-size: 0.9rem; }
.dropdown-header small { color: var(--text-muted); font-size: 0.75rem; }
.dropdown-item {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.65rem 1rem;
  font-size: 0.875rem; color: var(--text-secondary);
  transition: var(--transition);
}
.dropdown-item:hover { background: var(--glass); color: var(--text-primary); }
.dropdown-item.danger:hover { color: var(--danger); }

/* Mobile nav toggle */
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  padding: 0.4rem; margin-left: auto;
}
.nav-toggle span {
  width: 22px; height: 2px;
  background: var(--text-secondary);
  border-radius: 2px; transition: var(--transition);
}

/* ── Main Content ────────────────────────────────────────── */
.main-content { min-height: calc(100vh - var(--nav-h) - 100px); }

/* ── Container ───────────────────────────────────────────── */
.container { max-width: 1280px; margin: 0 auto; padding: 2rem 1.5rem; }
.container-sm { max-width: 520px; margin: 0 auto; padding: 2rem 1.5rem; }
.container-md { max-width: 800px; margin: 0 auto; padding: 2rem 1.5rem; }

/* ── Flash Alerts ────────────────────────────────────────── */
.flash-container { max-width: 1280px; margin: 1rem auto 0; padding: 0 1.5rem; }
.alert {
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem; font-weight: 500;
  border-left: 4px solid;
  margin-bottom: 1rem;
}
.alert-success { background: rgba(16,185,129,0.1); border-color: var(--success); color: #6ee7b7; }
.alert-error   { background: rgba(239,68,68,0.1);  border-color: var(--danger);  color: #fca5a5; }
.alert-warning { background: rgba(245,158,11,0.1); border-color: var(--warning); color: #fcd34d; }
.alert-info    { background: rgba(59,130,246,0.1); border-color: var(--info);    color: #93c5fd; }

/* ── Cards ───────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: var(--transition);
}
.card:hover { background: var(--bg-card-hover); border-color: rgba(255,255,255,0.15); }
.card-glass {
  background: var(--glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem; font-weight: 600;
  transition: var(--transition);
  cursor: pointer; border: none;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent-gold), #e6a817);
  color: #0a0e1a;
  box-shadow: 0 4px 16px rgba(245,200,66,0.25);
}
.btn-primary:hover { box-shadow: var(--shadow-glow-gold); }

.btn-teal {
  background: linear-gradient(135deg, var(--accent-teal), #0d9488);
  color: #0a0e1a;
  box-shadow: 0 4px 16px rgba(45,212,191,0.25);
}
.btn-teal:hover { box-shadow: var(--shadow-glow-teal); }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
}
.btn-ghost:hover { background: var(--glass); color: var(--text-primary); }

.btn-danger {
  background: rgba(239,68,68,0.15);
  border: 1px solid rgba(239,68,68,0.3);
  color: var(--danger);
}
.btn-danger:hover { background: rgba(239,68,68,0.25); }

.btn-sm { padding: 0.4rem 1rem; font-size: 0.8rem; }
.btn-lg { padding: 0.85rem 2rem; font-size: 1rem; }
.btn-block { width: 100%; }
.btn-icon { width: 36px; height: 36px; padding: 0; }

/* ── Form Elements ───────────────────────────────────────── */
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block; margin-bottom: 0.4rem;
  font-size: 0.85rem; font-weight: 600; color: var(--text-secondary);
  text-transform: uppercase; letter-spacing: 0.05em;
}
.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit; font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--accent-gold);
  background: rgba(255,255,255,0.07);
  box-shadow: 0 0 0 3px rgba(245,200,66,0.12);
}
.form-control::placeholder { color: var(--text-muted); }
.form-control.arabic-input {
  direction: rtl; font-family: 'Amiri', serif; font-size: 1.2rem; text-align: right;
}
textarea.form-control { resize: vertical; min-height: 80px; }
select.form-control { cursor: pointer; }
select option {
  background-color: #0f1629;
  color: #f1f5f9;
}

/* ── Badge ───────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: 20px; font-size: 0.72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em;
}
.badge-gold    { background: var(--accent-gold-dim); color: var(--accent-gold); }
.badge-teal    { background: var(--accent-teal-dim); color: var(--accent-teal); }
.badge-purple  { background: var(--accent-purple-dim); color: var(--accent-purple); }
.badge-success { background: rgba(16,185,129,0.15); color: var(--success); }
.badge-danger  { background: rgba(239,68,68,0.15); color: var(--danger); }
.badge-warning { background: rgba(245,158,11,0.15); color: var(--warning); }

/* ── Table ───────────────────────────────────────────────── */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
}
table { width: 100%; border-collapse: collapse; }
thead tr { background: rgba(255,255,255,0.04); }
thead th {
  padding: 0.85rem 1rem;
  text-align: left; font-size: 0.8rem; font-weight: 700;
  color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em;
  border-bottom: 1px solid var(--glass-border);
}
tbody tr { transition: var(--transition); }
tbody tr:hover { background: rgba(255,255,255,0.03); }
tbody td {
  padding: 0.85rem 1rem;
  font-size: 0.9rem; color: var(--text-secondary);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }

/* ── Page Header ─────────────────────────────────────────── */
.page-header {
  padding: 3rem 0 1.5rem;
  text-align: center;
}
.page-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-gold) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}
.page-subtitle {
  color: var(--text-muted); font-size: 1.05rem;
}

/* ── Hero Section ────────────────────────────────────────── */
.hero {
  padding: 6rem 1.5rem 4rem;
  text-align: center;
  position: relative;
}
.hero-arabic {
  font-family: 'Amiri', serif;
  font-size: clamp(2.5rem, 8vw, 5rem);
  color: var(--accent-gold);
  text-shadow: var(--shadow-glow-gold);
  margin-bottom: 1rem;
  display: block;
  direction: rtl;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800; line-height: 1.2;
  margin-bottom: 1.25rem;
}
.hero-title span {
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-teal));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc { font-size: 1.1rem; color: var(--text-secondary); max-width: 540px; margin: 0 auto 2.5rem; }
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ── Stats Grid ─────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem; margin: 2rem 0;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  transition: var(--transition);
  position: relative; overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute; inset: 0; opacity: 0;
  transition: var(--transition);
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.stat-card:hover::before { opacity: 1; }
.stat-icon { font-size: 2rem; margin-bottom: 0.5rem; }
.stat-value {
  font-size: 2.2rem; font-weight: 800;
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-teal));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size: 0.82rem; color: var(--text-muted); margin-top: 0.25rem; text-transform: uppercase; letter-spacing: 0.04em; }

/* ── Word Cards Grid ─────────────────────────────────────── */
.words-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}
.word-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: var(--transition);
  cursor: pointer;
  position: relative; overflow: hidden;
}
.word-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-teal));
  opacity: 0; transition: var(--transition);
}
.word-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); background: var(--bg-card-hover); }
.word-card:hover::before { opacity: 1; }
.word-arabic {
  font-family: 'Amiri', serif;
  font-size: 2rem; direction: rtl;
  color: var(--accent-gold);
  text-align: right; margin-bottom: 0.5rem;
}
.word-transliteration { font-size: 0.8rem; color: var(--text-muted); font-style: italic; margin-bottom: 0.5rem; text-align: right; }
.word-turkish { font-size: 1rem; font-weight: 600; color: var(--text-primary); }
.word-meta { display: flex; align-items: center; justify-content: space-between; margin-top: 0.75rem; }
.word-category { font-size: 0.75rem; color: var(--text-muted); }
.difficulty-dots { display: flex; gap: 3px; }
.difficulty-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--text-muted);
}
.difficulty-dot.active { background: var(--accent-gold); }

/* ── Flashcard ───────────────────────────────────────────── */
.flashcard-scene {
  perspective: 1000px;
  width: 100%; max-width: 520px; margin: 2rem auto;
  height: 320px;
}
.flashcard {
  width: 100%; height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}
.flashcard.flipped { transform: rotateY(180deg); }
.flashcard-face {
  position: absolute; inset: 0;
  backface-visibility: hidden;
  border-radius: var(--radius-xl);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 2rem;
  border: 1px solid var(--glass-border);
}
.flashcard-front {
  background: linear-gradient(135deg, rgba(245,200,66,0.08) 0%, rgba(45,212,191,0.05) 100%);
  border-color: rgba(245,200,66,0.2);
}
.flashcard-back {
  background: linear-gradient(135deg, rgba(45,212,191,0.08) 0%, rgba(167,139,250,0.05) 100%);
  border-color: rgba(45,212,191,0.2);
  transform: rotateY(180deg);
}
.flashcard-arabic {
  font-family: 'Amiri', serif;
  font-size: 3.5rem; color: var(--accent-gold);
  text-shadow: var(--shadow-glow-gold);
  direction: rtl; margin-bottom: 0.5rem;
}
.flashcard-transliteration { color: var(--text-muted); font-style: italic; margin-bottom: 1rem; }
.flashcard-turkish { font-size: 1.6rem; font-weight: 700; color: var(--text-primary); }
.flashcard-example-ar { font-family: 'Amiri', serif; direction: rtl; color: var(--text-secondary); font-size: 1.1rem; margin-top: 1rem; }
.flashcard-example-tr { color: var(--text-muted); font-size: 0.85rem; font-style: italic; margin-top: 0.25rem; }
.flashcard-hint { position: absolute; bottom: 1rem; font-size: 0.75rem; color: var(--text-muted); }

.study-controls {
  display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap;
  margin: 1.5rem 0;
}
.progress-bar-wrap {
  width: 100%; max-width: 520px; margin: 1rem auto;
  background: rgba(255,255,255,0.06); border-radius: 100px; height: 6px; overflow: hidden;
}
.progress-bar-fill {
  height: 100%; border-radius: 100px;
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-teal));
  transition: width 0.4s ease;
}
.study-counter { text-align: center; color: var(--text-muted); font-size: 0.9rem; margin-bottom: 0.5rem; }

/* ── Quiz ────────────────────────────────────────────────── */
.quiz-question {
  background: linear-gradient(135deg, rgba(245,200,66,0.05) 0%, rgba(45,212,191,0.03) 100%);
  border: 1px solid rgba(245,200,66,0.2);
  border-radius: var(--radius-lg);
  padding: 2.5rem; text-align: center; margin-bottom: 2rem;
}
.quiz-arabic {
  font-family: 'Amiri', serif; font-size: 3rem;
  color: var(--accent-gold); direction: rtl;
  text-shadow: var(--shadow-glow-gold);
  display: block; margin-bottom: 0.5rem;
}
.quiz-options {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
}
.quiz-option {
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 2px solid var(--glass-border);
  border-radius: var(--radius-md);
  font-size: 0.95rem; font-weight: 600;
  color: var(--text-primary); text-align: left;
  transition: var(--transition); cursor: pointer;
}
.quiz-option:hover:not(:disabled) {
  border-color: var(--accent-teal);
  background: var(--accent-teal-dim);
  transform: translateY(-2px);
}
.quiz-option.correct { border-color: var(--success); background: rgba(16,185,129,0.15); color: var(--success); }
.quiz-option.wrong   { border-color: var(--danger);  background: rgba(239,68,68,0.15);  color: var(--danger); }
.quiz-option:disabled { cursor: default; }
.quiz-progress {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1rem;
}
.quiz-score { font-weight: 700; color: var(--accent-gold); font-size: 1.1rem; }
.quiz-result {
  text-align: center; padding: 3rem 2rem;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
}
.quiz-result-score {
  font-size: 4rem; font-weight: 800;
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-teal));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Auth Pages ──────────────────────────────────────────── */
.auth-wrapper {
  min-height: calc(100vh - var(--nav-h));
  display: flex; align-items: center; justify-content: center;
  padding: 2rem 1.5rem;
}
.auth-card {
  width: 100%; max-width: 440px;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}
.auth-logo {
  text-align: center; margin-bottom: 2rem;
}
.auth-logo-icon { font-size: 3rem; display: block; }
.auth-title { font-size: 1.6rem; font-weight: 800; margin: 0.5rem 0 0.25rem; }
.auth-subtitle { color: var(--text-muted); font-size: 0.9rem; }
.auth-footer { text-align: center; margin-top: 1.5rem; color: var(--text-muted); font-size: 0.875rem; }
.auth-footer a { color: var(--accent-gold); font-weight: 600; }
.auth-footer a:hover { text-decoration: underline; }

/* ── Admin ───────────────────────────────────────────────── */
.admin-layout { display: grid; grid-template-columns: 240px 1fr; min-height: calc(100vh - var(--nav-h)); }
.admin-sidebar {
  background: rgba(255,255,255,0.02);
  border-right: 1px solid var(--glass-border);
  padding: 1.5rem 0;
  position: sticky; top: var(--nav-h); align-self: start;
  height: calc(100vh - var(--nav-h));
  overflow-y: auto;
}
.admin-sidebar-title {
  padding: 0 1.25rem 1rem;
  font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: 0.5rem;
}
.admin-nav-item {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.7rem 1.25rem;
  font-size: 0.9rem; font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  border-left: 3px solid transparent;
}
.admin-nav-item:hover { color: var(--text-primary); background: var(--glass); }
.admin-nav-item.active { color: var(--accent-gold); border-left-color: var(--accent-gold); background: var(--accent-gold-dim); }
.admin-main { padding: 2rem; }
.admin-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 2rem; flex-wrap: wrap; gap: 1rem; }
.admin-title { font-size: 1.5rem; font-weight: 800; }

/* ── Filter Bar ──────────────────────────────────────────── */
.filter-bar {
  display: flex; gap: 1rem; flex-wrap: wrap;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  align-items: center;
}
.filter-bar input, .filter-bar select {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.85rem;
  color: var(--text-primary);
  font-size: 0.875rem; font-family: inherit;
  outline: none; transition: var(--transition);
}
.filter-bar input:focus, .filter-bar select:focus {
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 2px rgba(245,200,66,0.1);
}
.filter-bar input { flex: 1; min-width: 180px; }

/* ── Pagination ──────────────────────────────────────────── */
.pagination { display: flex; gap: 0.5rem; justify-content: center; margin-top: 2rem; }
.page-btn {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.875rem; font-weight: 600;
  transition: var(--transition); display: flex; align-items: center; justify-content: center;
}
.page-btn:hover { background: var(--glass); color: var(--text-primary); }
.page-btn.active { background: var(--accent-gold); color: #0a0e1a; border-color: var(--accent-gold); }
.page-btn:disabled { opacity: 0.4; cursor: default; }

/* ── Modal ───────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.7); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: var(--transition);
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  width: 100%; max-width: 540px;
  max-height: 90vh; overflow-y: auto;
  transform: translateY(20px) scale(0.98);
  transition: var(--transition);
}
.modal-overlay.open .modal { transform: translateY(0) scale(1); }
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; }
.modal-title { font-size: 1.2rem; font-weight: 700; }
.modal-close {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--glass); border: 1px solid var(--glass-border);
  color: var(--text-muted); font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.modal-close:hover { background: rgba(239,68,68,0.2); color: var(--danger); }

/* ── Category Cards ──────────────────────────────────────── */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}
.category-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  transition: var(--transition); cursor: pointer;
  position: relative; overflow: hidden;
}
.category-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.category-icon { font-size: 2.5rem; display: block; margin-bottom: 0.75rem; }
.category-name-tr { font-weight: 700; font-size: 1rem; }
.category-name-ar { font-family: 'Amiri', serif; font-size: 1.3rem; color: var(--accent-gold); direction: rtl; }
.category-count { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.5rem; }

/* ── Progress Indicator ──────────────────────────────────── */
.progress-ring { position: relative; display: inline-flex; align-items: center; justify-content: center; }
.progress-ring svg { transform: rotate(-90deg); }
.progress-ring-text {
  position: absolute; font-size: 0.75rem; font-weight: 700; color: var(--text-primary);
}

/* ── Spinner ─────────────────────────────────────────────── */
.spinner {
  width: 40px; height: 40px;
  border: 3px solid var(--glass-border);
  border-top-color: var(--accent-gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 2rem auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Empty State ─────────────────────────────────────────── */
.empty-state {
  text-align: center; padding: 4rem 2rem;
  color: var(--text-muted);
}
.empty-state-icon { font-size: 4rem; margin-bottom: 1rem; display: block; opacity: 0.5; }
.empty-state h3 { font-size: 1.2rem; color: var(--text-secondary); margin-bottom: 0.5rem; }

/* ── Footer ──────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--glass-border);
  padding: 2rem 1.5rem;
  margin-top: 4rem;
}
.footer-container { max-width: 1280px; margin: 0 auto; text-align: center; }
.footer-brand { display: flex; align-items: center; justify-content: center; gap: 0.5rem; font-weight: 700; margin-bottom: 0.5rem; }
.footer-copy { color: var(--text-muted); font-size: 0.85rem; }
.footer-verse { font-family: 'Amiri', serif; direction: rtl; color: var(--accent-gold); font-size: 1.1rem; margin-top: 0.5rem; opacity: 0.7; }

/* ── Animations ──────────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(245,200,66,0); }
  50%       { box-shadow: 0 0 20px 8px rgba(245,200,66,0.15); }
}
.fade-in-up { animation: fadeInUp 0.5s ease forwards; }
.fade-in    { animation: fadeIn 0.3s ease forwards; }

/* ── Utility ──────────────────────────────────────────────── */
.text-center  { text-align: center; }
.text-right   { text-align: right; }
.text-muted   { color: var(--text-muted); }
.text-gold    { color: var(--accent-gold); }
.text-teal    { color: var(--accent-teal); }
.text-success { color: var(--success); }
.text-danger  { color: var(--danger); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.flex  { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.hidden { display: none !important; }
.w-full { width: 100%; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .admin-layout { grid-template-columns: 1fr; }
  .admin-sidebar { position: static; height: auto; display: flex; flex-wrap: wrap; padding: 1rem; border-right: none; border-bottom: 1px solid var(--glass-border); }
  .admin-nav-item { border-left: none; border-bottom: 3px solid transparent; flex-direction: column; padding: 0.5rem 0.75rem; font-size: 0.8rem; border-radius: var(--radius-sm); }
  .admin-nav-item.active { border-left: none; border-bottom-color: var(--accent-gold); }
  .admin-sidebar-title { width: 100%; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed; inset: var(--nav-h) 0 0 0;
    background: var(--bg-secondary); flex-direction: column;
    padding: 1.5rem; gap: 0.5rem;
    transform: translateX(100%); transition: var(--transition);
    z-index: 99;
  }
  .nav-menu.open { transform: translateX(0); }
  .nav-link { font-size: 1.1rem; padding: 0.85rem 1rem; }
  .nav-user-menu { width: 100%; }
  .nav-user-btn { width: 100%; justify-content: flex-start; }
  .user-dropdown { width: 100%; position: static; opacity: 1; pointer-events: all; transform: none; display: none; }
  .user-dropdown.open { display: block; }

  .quiz-options { grid-template-columns: 1fr; }
  .hero { padding: 3rem 1.5rem 2rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .auth-card { padding: 1.5rem; }
  .flashcard-scene { height: 260px; }
  .flashcard-arabic { font-size: 2.5rem; }
}