/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: #f0f4f8;
  color: #1e293b;
  min-height: 100vh;
  line-height: 1.6;
}
button { cursor: pointer; border: none; outline: none; font-family: inherit; }
input, textarea, select { font-family: inherit; outline: none; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; }
ul, ol { list-style: none; }

/* ===== VARIABLES ===== */
:root {
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --primary-light: #eff6ff;
  --success: #22c55e;
  --success-light: #f0fdf4;
  --danger: #ef4444;
  --danger-light: #fef2f2;
  --warning: #f59e0b;
  --warning-light: #fffbeb;
  --info: #06b6d4;
  --purple: #8b5cf6;
  --pink: #ec4899;
  --orange: #f97316;
  --text: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --border: #e2e8f0;
  --card: #ffffff;
  --bg: #f0f4f8;
  --bg-dark: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --transition: 0.2s ease;
  --sidebar-w: 260px;
}

/* ===== LAYOUT ===== */
#app { min-height: 100vh; }
.page { display: none; min-height: 100vh; }
.page.active { display: block; }

/* ===== SIDEBAR LAYOUT ===== */
.layout {
  display: flex;
  min-height: 100vh;
}
.sidebar {
  width: var(--sidebar-w);
  background: #1e293b;
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0; top: 0; bottom: 0;
  z-index: 100;
  transition: transform var(--transition);
}
.sidebar-logo {
  padding: 24px 20px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  gap: 10px;
}
.sidebar-logo .logo-icon {
  width: 40px; height: 40px;
  background: var(--primary);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
}
.sidebar-logo .logo-text { font-size: 18px; font-weight: 700; }
.sidebar-logo .logo-sub { font-size: 11px; color: rgba(255,255,255,0.5); margin-top: 1px; }
.sidebar-nav { flex: 1; overflow-y: auto; padding: 16px 12px; }
.nav-section { margin-bottom: 24px; }
.nav-section-title {
  font-size: 11px;
  font-weight: 600;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0 8px;
  margin-bottom: 8px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  margin-bottom: 2px;
}
.nav-item:hover { background: rgba(255,255,255,0.08); color: #fff; }
.nav-item.active { background: var(--primary); color: #fff; }
.nav-item i { width: 18px; text-align: center; font-size: 15px; }
.nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
}
.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.lang-switcher {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
}
.lang-btn {
  flex: 1;
  padding: 7px;
  border-radius: var(--radius-xs);
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.6);
  font-size: 12px;
  font-weight: 600;
  transition: all var(--transition);
  text-align: center;
}
.lang-btn.active { background: var(--primary); color: #fff; }
.lang-btn:hover { background: rgba(255,255,255,0.15); color: #fff; }

.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-width: 0;
}
.topbar {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 16px 28px;
  display: flex;
  align-items: center;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-title { font-size: 18px; font-weight: 700; flex: 1; }
.topbar-actions { display: flex; gap: 10px; align-items: center; }
.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  color: var(--text);
  cursor: pointer;
  margin-right: 4px;
}
.content-area { padding: 28px; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(59,130,246,0.4); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #16a34a; transform: translateY(-1px); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { background: #d97706; }
.btn-secondary { background: var(--bg-dark); color: var(--text); }
.btn-secondary:hover { background: #cbd5e1; }
.btn-ghost { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-ghost:hover { background: var(--primary-light); }
.btn-sm { padding: 7px 14px; font-size: 13px; border-radius: var(--radius-xs); }
.btn-lg { padding: 14px 28px; font-size: 16px; border-radius: var(--radius); }
.btn-icon { padding: 9px; width: 38px; height: 38px; justify-content: center; }
.btn-icon-sm { padding: 6px; width: 30px; height: 30px; justify-content: center; font-size: 13px; }
.btn[disabled], .btn.disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

/* ===== CARDS ===== */
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}
.card-sm { padding: 16px; border-radius: var(--radius-sm); }

/* ===== GRID ===== */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }

/* ===== FORMS ===== */
.form-group { margin-bottom: 18px; }
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text);
  background: var(--card);
  transition: border-color var(--transition);
}
.form-control:focus { border-color: var(--primary); }
textarea.form-control { resize: vertical; min-height: 80px; }
select.form-control { cursor: pointer; }
.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.toggle-group {
  display: flex;
  align-items: center;
  gap: 10px;
}
.toggle {
  position: relative;
  width: 44px; height: 24px;
  flex-shrink: 0;
}
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 24px;
  cursor: pointer;
  transition: background var(--transition);
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  left: 3px; top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform var(--transition);
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}
.toggle input:checked + .toggle-slider { background: var(--primary); }
.toggle input:checked + .toggle-slider::before { transform: translateX(20px); }
.toggle-label { font-size: 14px; color: var(--text); }

/* ===== BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}
.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-success { background: var(--success-light); color: #15803d; }
.badge-danger { background: var(--danger-light); color: #b91c1c; }
.badge-warning { background: var(--warning-light); color: #92400e; }
.badge-purple { background: #f3e8ff; color: #7c3aed; }
.badge-info { background: #ecfeff; color: #0e7490; }

/* ===== STATS CARDS ===== */
.stat-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 16px;
}
.stat-icon {
  width: 54px; height: 54px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.stat-icon-blue { background: var(--primary-light); color: var(--primary); }
.stat-icon-green { background: var(--success-light); color: var(--success); }
.stat-icon-orange { background: #fff7ed; color: var(--orange); }
.stat-icon-purple { background: #f3e8ff; color: var(--purple); }
.stat-icon-pink { background: #fdf2f8; color: var(--pink); }
.stat-value { font-size: 28px; font-weight: 800; line-height: 1; color: var(--text); }
.stat-label { font-size: 13px; color: var(--text-muted); margin-top: 3px; }

/* ===== HOMEPAGE ===== */
.home-hero {
  background: linear-gradient(135deg, #1e293b 0%, #334155 50%, #1e40af 100%);
  border-radius: var(--radius);
  padding: 48px;
  color: #fff;
  position: relative;
  overflow: hidden;
  margin-bottom: 28px;
}
.home-hero::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
  border-radius: 50%;
}
.home-hero::after {
  content: '';
  position: absolute;
  bottom: -30%; left: 20%;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-content { position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 13px;
  margin-bottom: 16px;
}
.hero-title { font-size: 36px; font-weight: 800; margin-bottom: 12px; line-height: 1.2; }
.hero-subtitle { font-size: 16px; opacity: 0.8; margin-bottom: 28px; max-width: 500px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.15);
}
.hero-stat-val { font-size: 24px; font-weight: 800; }
.hero-stat-lbl { font-size: 12px; opacity: 0.6; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}
.feature-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 24px 20px;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 60px; height: 60px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin: 0 auto 14px;
}
.feature-title { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.feature-desc { font-size: 12px; color: var(--text-muted); line-height: 1.4; }

/* Feature card colors */
.fc-blue .feature-icon { background: var(--primary-light); color: var(--primary); }
.fc-green .feature-icon { background: var(--success-light); color: var(--success); }
.fc-orange .feature-icon { background: #fff7ed; color: var(--orange); }
.fc-purple .feature-icon { background: #f3e8ff; color: var(--purple); }
.fc-pink .feature-icon { background: #fdf2f8; color: var(--pink); }
.fc-cyan .feature-icon { background: #ecfeff; color: var(--info); }
.fc-yellow .feature-icon { background: var(--warning-light); color: var(--warning); }
.fc-red .feature-icon { background: var(--danger-light); color: var(--danger); }

/* ===== QUIZ CARDS ===== */
.quiz-card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  display: flex;
  flex-direction: column;
}
.quiz-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
.quiz-card-header {
  padding: 20px 20px 14px;
  background: linear-gradient(135deg, var(--primary-light), #fff);
  border-bottom: 1px solid var(--border);
}
.quiz-card-category {
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}
.quiz-card-title { font-size: 16px; font-weight: 700; color: var(--text); line-height: 1.3; margin-bottom: 6px; }
.quiz-card-desc { font-size: 13px; color: var(--text-muted); line-height: 1.4; }
.quiz-card-body { padding: 14px 20px; flex: 1; }
.quiz-card-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 12px; }
.quiz-meta-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--text-muted);
}
.quiz-meta-item i { color: var(--primary); font-size: 11px; }
.quiz-card-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
  align-items: center;
}
.quiz-progress {
  height: 4px;
  background: var(--bg-dark);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 8px;
}
.quiz-progress-fill { height: 100%; background: var(--primary); border-radius: 2px; transition: width 0.3s; }

/* ===== QUIZ TAKING ===== */
.quiz-container {
  max-width: 780px;
  margin: 0 auto;
  padding: 28px 20px;
}
.quiz-header-bar {
  background: var(--card);
  border-radius: var(--radius);
  padding: 16px 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 16px;
}
.quiz-progress-bar {
  flex: 1;
  height: 8px;
  background: var(--bg-dark);
  border-radius: 4px;
  overflow: hidden;
}
.quiz-progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), #60a5fa);
  border-radius: 4px;
  transition: width 0.4s cubic-bezier(0.4,0,0.2,1);
}
.quiz-counter { font-size: 14px; font-weight: 700; color: var(--text); white-space: nowrap; }
.quiz-timer-display {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  background: var(--bg);
  padding: 6px 12px;
  border-radius: var(--radius-xs);
  white-space: nowrap;
}
.quiz-timer-display.warning { color: var(--danger); animation: pulse 1s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.6} }

.question-card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  margin-bottom: 20px;
  animation: slideIn 0.3s ease;
}
@keyframes slideIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.question-type-badge {
  margin-bottom: 12px;
}
.question-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 20px;
}
.question-image {
  width: 100%;
  max-height: 300px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  border: 1px solid var(--border);
}

/* Option styles */
.options-list { display: flex; flex-direction: column; gap: 10px; }
.option-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  background: var(--card);
  position: relative;
  overflow: hidden;
}
.option-item:hover { border-color: var(--primary); background: var(--primary-light); }
.option-item.selected { border-color: var(--primary); background: var(--primary-light); }
.option-item.correct { border-color: var(--success); background: var(--success-light); }
.option-item.incorrect { border-color: var(--danger); background: var(--danger-light); }
.option-marker {
  width: 30px; height: 30px;
  border: 2px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
  transition: all var(--transition);
}
.option-item.selected .option-marker { border-color: var(--primary); background: var(--primary); color: #fff; }
.option-item.correct .option-marker { border-color: var(--success); background: var(--success); color: #fff; }
.option-item.incorrect .option-marker { border-color: var(--danger); background: var(--danger); color: #fff; }
.option-text { font-size: 15px; flex: 1; }
.option-check { margin-left: auto; font-size: 16px; }

/* True/False */
.truefalse-options { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.tf-option {
  padding: 20px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  font-size: 18px;
  font-weight: 700;
}
.tf-option:hover { border-color: var(--primary); background: var(--primary-light); }
.tf-option.selected-true { border-color: var(--success); background: var(--success-light); color: var(--success); }
.tf-option.selected-false { border-color: var(--danger); background: var(--danger-light); color: var(--danger); }
.tf-option.correct { border-color: var(--success); background: var(--success-light); }
.tf-option.incorrect { border-color: var(--danger); background: var(--danger-light); }

/* Matching */
.match-container { display: flex; gap: 20px; }
.match-col { flex: 1; display: flex; flex-direction: column; gap: 8px; }
.match-col-title { font-size: 12px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; margin-bottom: 4px; letter-spacing: 0.05em; }
.match-item {
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  background: var(--card);
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}
.match-left-item { background: var(--primary-light); border-color: var(--primary); color: var(--primary-dark); }
.match-right-item:hover { border-color: var(--primary); background: var(--bg); }
.match-right-item.matched { border-color: var(--success); background: var(--success-light); }
.match-right-item.selected { border-color: var(--primary); background: var(--primary-light); }
.match-select { width: 100%; padding: 10px 12px; border: 2px solid var(--border); border-radius: var(--radius-sm); font-size: 14px; background: var(--card); }
.match-select.filled { border-color: var(--success); background: var(--success-light); }

/* Text input */
.text-answer-input {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 16px;
  transition: border-color var(--transition);
  background: var(--card);
}
.text-answer-input:focus { border-color: var(--primary); }
.text-answer-input.correct { border-color: var(--success); background: var(--success-light); }
.text-answer-input.incorrect { border-color: var(--danger); background: var(--danger-light); }

/* Explanation */
.explanation-box {
  margin-top: 16px;
  padding: 14px 18px;
  background: linear-gradient(135deg, #fff7ed, #fffbeb);
  border-left: 4px solid var(--warning);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 14px;
  color: var(--text);
  animation: fadeIn 0.3s ease;
}
.explanation-box strong { color: var(--warning); }
@keyframes fadeIn { from{opacity:0;transform:translateY(-6px)} to{opacity:1;transform:translateY(0)} }

.quiz-nav {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 24px;
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}
.quiz-nav .spacer { flex: 1; }

/* ===== RESULTS ===== */
.results-container { max-width: 820px; margin: 0 auto; padding: 28px 20px; }
.results-hero {
  background: linear-gradient(135deg, #1e293b, #1e40af);
  border-radius: var(--radius);
  padding: 40px;
  color: #fff;
  text-align: center;
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
}
.results-hero::before {
  content: '';
  position: absolute;
  top: -50%; left: -20%;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
  border-radius: 50%;
}
.score-ring-wrap { margin: 0 auto 20px; width: 140px; height: 140px; position: relative; }
.score-ring-svg { transform: rotate(-90deg); }
.score-ring-bg { fill: none; stroke: rgba(255,255,255,0.15); stroke-width: 10; }
.score-ring-fill { fill: none; stroke-width: 10; stroke-linecap: round; transition: stroke-dashoffset 1.2s cubic-bezier(0.4,0,0.2,1); }
.score-ring-fill.pass { stroke: #22c55e; }
.score-ring-fill.fail { stroke: #ef4444; }
.score-ring-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.score-ring-pct { font-size: 30px; font-weight: 800; color: #fff; line-height: 1; }
.score-ring-lbl { font-size: 12px; color: rgba(255,255,255,0.6); }
.results-title { font-size: 26px; font-weight: 800; margin-bottom: 6px; }
.results-subtitle { opacity: 0.75; font-size: 15px; margin-bottom: 24px; }
.results-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  position: relative;
}
.result-stat {
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  padding: 14px;
  text-align: center;
}
.result-stat-val { font-size: 24px; font-weight: 800; }
.result-stat-lbl { font-size: 12px; opacity: 0.7; margin-top: 2px; }
.result-stat-val.correct-color { color: #86efac; }
.result-stat-val.wrong-color { color: #fca5a5; }
.result-stat-val.skip-color { color: #fde68a; }

.results-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 24px; }
.review-card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-bottom: 14px;
}
.review-card-header {
  padding: 14px 20px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
}
.review-status-icon {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}
.review-status-correct { background: var(--success-light); color: var(--success); }
.review-status-wrong { background: var(--danger-light); color: var(--danger); }
.review-status-skip { background: var(--warning-light); color: var(--warning); }
.review-q-text { font-size: 15px; font-weight: 600; flex: 1; }
.review-card-body {
  padding: 0 20px 16px;
  display: none;
  border-top: 1px solid var(--border);
}
.review-card-body.open { display: block; padding-top: 14px; }
.review-answer-row { display: flex; gap: 10px; margin-bottom: 8px; font-size: 14px; }
.review-answer-row .lbl { font-weight: 600; color: var(--text-muted); min-width: 80px; }
.review-answer-row .val-correct { color: var(--success); font-weight: 600; }
.review-answer-row .val-wrong { color: var(--danger); font-weight: 600; }

/* ===== CERTIFICATE ===== */
.certificate {
  background: linear-gradient(135deg, #fefce8, #fffbeb);
  border: 3px solid var(--warning);
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin-bottom: 24px;
}
.certificate::before {
  content: '';
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(245,158,11,0.3);
  border-radius: 12px;
  pointer-events: none;
}
.cert-seal {
  width: 80px; height: 80px;
  margin: 0 auto 16px;
  background: var(--warning);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 36px;
  color: #fff;
  box-shadow: 0 0 0 6px rgba(245,158,11,0.2);
}
.cert-title { font-size: 28px; font-weight: 800; color: #92400e; margin-bottom: 4px; }
.cert-subtitle { font-size: 14px; color: #78350f; margin-bottom: 24px; }
.cert-name { font-size: 32px; font-weight: 800; color: var(--text); margin-bottom: 8px; font-style: italic; }
.cert-details { font-size: 14px; color: var(--text-muted); }

/* ===== EDITOR ===== */
.editor-layout { display: grid; grid-template-columns: 1fr 340px; gap: 24px; align-items: start; }
.questions-list { display: flex; flex-direction: column; gap: 12px; }
.question-item {
  background: var(--card);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
}
.question-item:hover { border-color: var(--primary); }
.question-item.active { border-color: var(--primary); background: var(--primary-light); }
.question-item-num {
  width: 28px; height: 28px;
  border-radius: var(--radius-xs);
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}
.question-item.active .question-item-num { background: var(--primary); color: #fff; }
.question-item-text { flex: 1; font-size: 13px; color: var(--text); overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.question-item-type { font-size: 11px; color: var(--text-muted); flex-shrink: 0; }
.question-edit-panel {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  position: sticky;
  top: 80px;
}
.option-edit-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.option-edit-correct {
  width: 30px; height: 30px;
  border: 2px solid var(--border);
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
  transition: all var(--transition);
  background: var(--card);
  color: var(--border);
}
.option-edit-correct.active { border-color: var(--success); background: var(--success); color: #fff; }
.option-edit-input { flex: 1; }
.pair-edit-row { display: grid; grid-template-columns: 1fr auto 1fr; gap: 8px; align-items: center; margin-bottom: 8px; }
.pair-edit-arrow { color: var(--text-muted); font-size: 16px; text-align: center; }

/* ===== ADMIN / ANALYTICS ===== */
.analytics-chart {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}
.chart-bar-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.chart-bar-label { font-size: 13px; color: var(--text); width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex-shrink: 0; }
.chart-bar-wrap { flex: 1; height: 24px; background: var(--bg-dark); border-radius: 4px; overflow: hidden; }
.chart-bar-fill { height: 100%; border-radius: 4px; transition: width 1s cubic-bezier(0.4,0,0.2,1); display: flex; align-items: center; justify-content: flex-end; padding-right: 8px; }
.chart-bar-val { font-size: 12px; font-weight: 700; color: #fff; }
.chart-bar-fill.blue { background: var(--primary); }
.chart-bar-fill.green { background: var(--success); }
.chart-bar-fill.orange { background: var(--orange); }
.chart-bar-fill.red { background: var(--danger); }
.history-table {
  width: 100%;
  border-collapse: collapse;
}
.history-table th {
  text-align: left;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 12px 16px;
  border-bottom: 2px solid var(--border);
  background: var(--bg);
}
.history-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  color: var(--text);
}
.history-table tr:hover td { background: var(--bg); }

/* ===== MODAL ===== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,0.6);
  backdrop-filter: blur(6px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 580px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalIn 0.25s ease;
}
@keyframes modalIn { from{opacity:0;transform:scale(0.95)translateY(-10px)} to{opacity:1;transform:scale(1)translateY(0)} }
.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}
.modal-title { font-size: 18px; font-weight: 700; flex: 1; }
.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}
.modal-lg { max-width: 780px; }

/* ===== UPLOAD ZONE ===== */
.drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}
.drop-zone:hover, .drop-zone.drag-over { border-color: var(--primary); background: var(--primary-light); }
.drop-zone-icon { font-size: 36px; color: var(--primary); margin-bottom: 10px; }
.drop-zone-title { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.drop-zone-hint { font-size: 13px; color: var(--text-muted); }
.file-preview {
  margin-top: 16px;
  padding: 12px 16px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  display: none;
  align-items: center;
  gap: 12px;
}
.file-preview.visible { display: flex; }
.file-preview-icon { font-size: 24px; color: var(--primary); }
.file-preview-info { flex: 1; min-width: 0; }
.file-preview-name { font-size: 14px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-preview-size { font-size: 12px; color: var(--text-muted); }
.format-tabs { display: flex; gap: 6px; margin-bottom: 16px; }
.fmt-tab {
  padding: 7px 14px;
  border-radius: var(--radius-xs);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
  background: var(--bg);
}
.fmt-tab.active { background: var(--primary); color: #fff; }
.fmt-panel { display: none; }
.fmt-panel.active { display: block; }

/* ===== QUESTION EDITOR PREVIEW ===== */
.preview-list { display: flex; flex-direction: column; gap: 8px; }
.preview-item {
  padding: 10px 14px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  font-size: 13px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.preview-item-num { color: var(--text-muted); font-weight: 700; min-width: 20px; }
.preview-item-type { color: var(--primary); font-weight: 600; min-width: 70px; }

/* ===== TOAST ===== */
.toast-wrap {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  background: var(--text);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 360px;
  animation: toastIn 0.3s ease;
  pointer-events: all;
}
@keyframes toastIn { from{opacity:0;transform:translateX(20px)} to{opacity:1;transform:translateX(0)} }
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.warning { background: var(--warning); }
.toast.info { background: var(--info); }
.toast.fade-out { animation: toastOut 0.3s ease forwards; }
@keyframes toastOut { to{opacity:0;transform:translateX(20px)} }

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
}
.empty-state-icon { font-size: 56px; margin-bottom: 16px; opacity: 0.4; }
.empty-state-title { font-size: 20px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.empty-state-text { font-size: 14px; color: var(--text-muted); margin-bottom: 24px; }

/* ===== TABS ===== */
.tabs { display: flex; gap: 4px; border-bottom: 2px solid var(--border); margin-bottom: 20px; }
.tab {
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition);
}
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ===== QUESTION COUNT SELECTOR ===== */
.count-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}
.count-btn {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}
.count-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.count-btn:hover:not(.active) { border-color: var(--primary); color: var(--primary); }

/* ===== SETTINGS PANEL ===== */
.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.settings-row:last-child { border-bottom: none; }
.settings-row-info { flex: 1; margin-right: 16px; }
.settings-row-label { font-size: 15px; font-weight: 600; }
.settings-row-hint { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

/* ===== SHARE LINK ===== */
.share-link-box {
  display: flex;
  gap: 8px;
  align-items: center;
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
}
.share-link-input {
  flex: 1;
  background: none;
  border: none;
  font-size: 14px;
  color: var(--text);
}
.share-qr {
  width: 160px; height: 160px;
  margin: 16px auto 0;
  background: var(--bg);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--text-muted);
}

/* ===== LOADING ===== */
.spinner {
  width: 44px; height: 44px;
  border: 4px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  gap: 16px;
}
.loading-text { font-size: 15px; color: var(--text-muted); }

/* ===== SECTION HEADERS ===== */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}
.section-title { font-size: 22px; font-weight: 800; color: var(--text); }
.section-subtitle { font-size: 14px; color: var(--text-muted); margin-top: 2px; }

/* ===== DIVIDER ===== */
.divider { border: none; border-top: 1px solid var(--border); margin: 20px 0; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-light); }

/* ===== MOBILE OVERLAY ===== */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 99;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .editor-layout { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .form-row-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-overlay.open { display: block; }
  .main-content { margin-left: 0; }
  .hamburger { display: block; }
  .home-hero { padding: 28px 20px; }
  .hero-title { font-size: 24px; }
  .hero-stats { gap: 20px; flex-wrap: wrap; }
  .content-area { padding: 16px; }
  .topbar { padding: 12px 16px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .truefalse-options { grid-template-columns: 1fr; }
  .match-container { flex-direction: column; }
  .results-stats { grid-template-columns: 1fr; gap: 10px; }
  .quiz-header-bar { flex-wrap: wrap; }
}
@media (max-width: 480px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .form-row-3 { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .modal { max-height: 95vh; }
  .quiz-container, .results-container { padding: 12px; }
  .question-card { padding: 20px 16px; }
  .certificate { padding: 28px 16px; }
}

/* ===== SEARCH ===== */
.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  transition: border-color var(--transition);
}
.search-box:focus-within { border-color: var(--primary); }
.search-box i { color: var(--text-muted); font-size: 14px; }
.search-box input { background: none; border: none; font-size: 14px; flex: 1; min-width: 0; color: var(--text); }
.search-box input::placeholder { color: var(--text-light); }

/* ===== COLOR TAGS ===== */
.tag { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 700; margin: 2px; }
.tag-single { background: #eff6ff; color: #1d4ed8; }
.tag-multiple { background: #f0fdf4; color: #15803d; }
.tag-text { background: #fdf4ff; color: #7e22ce; }
.tag-truefalse { background: #fff7ed; color: #c2410c; }
.tag-match { background: #ecfeff; color: #0e7490; }

/* ===== IMPORT FROM FILE ===== */
.import-format-card {
  padding: 16px 20px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
}
.import-format-card:hover { border-color: var(--primary); background: var(--primary-light); }
.import-format-card.active { border-color: var(--primary); background: var(--primary-light); }
.import-format-icon { font-size: 28px; }
.import-format-info .title { font-size: 15px; font-weight: 700; }
.import-format-info .hint { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

/* ===== QUESTION BANK NAV ===== */
.q-nav-dots {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 16px 0;
}
.q-dot {
  width: 32px; height: 32px;
  border-radius: 6px;
  background: var(--bg);
  border: 2px solid var(--border);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
  color: var(--text-muted);
}
.q-dot.answered { background: var(--primary); border-color: var(--primary); color: #fff; }
.q-dot.current { border-color: var(--primary); color: var(--primary); }
.q-dot.skipped { background: var(--warning-light); border-color: var(--warning); color: var(--warning); }

/* ===== QUIZ CODE / PIN ===== */
.quiz-code-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, #1e293b, #1e40af);
  color: #fff;
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  font-family: 'Courier New', monospace;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
}
.quiz-code-val {
  font-size: 22px;
  letter-spacing: 0.12em;
  color: #93c5fd;
}
.quiz-pin-val {
  font-size: 20px;
  letter-spacing: 0.1em;
  color: #86efac;
}
.code-sep { color: rgba(255,255,255,0.3); margin: 0 4px; }
.code-copy-btn {
  background: rgba(255,255,255,0.15);
  border: none;
  color: #fff;
  border-radius: 6px;
  padding: 4px 8px;
  cursor: pointer;
  font-size: 13px;
  transition: background var(--transition);
}
.code-copy-btn:hover { background: rgba(255,255,255,0.3); }

/* ===== SEARCH QUIZ WIDGET ===== */
.find-quiz-widget {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 28px 32px;
  max-width: 600px;
  margin: -20px auto 28px;
  border: 2px solid var(--primary);
  position: relative;
  z-index: 2;
}
.find-quiz-title {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.find-quiz-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.code-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 14px;
}
.code-input-group {}
.code-input-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}
.code-input-field {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.12em;
  font-family: 'Courier New', monospace;
  text-align: center;
  text-transform: uppercase;
  transition: border-color var(--transition);
  background: var(--bg);
  color: var(--text);
}
.code-input-field:focus { border-color: var(--primary); background: var(--card); outline: none; }
.code-input-field.error { border-color: var(--danger); background: var(--danger-light); }
.code-input-field::placeholder { color: var(--text-light); font-size: 16px; letter-spacing: 0.05em; }
.find-error-msg {
  color: var(--danger);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 10px;
  display: none;
  align-items: center;
  gap: 6px;
}
.find-error-msg.visible { display: flex; }

/* ===== AUTH / PROFILE ===== */
.auth-overlay {
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.auth-card {
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.3);
  padding: 40px;
  width: 100%;
  max-width: 420px;
  animation: authIn 0.4s cubic-bezier(0.34,1.56,0.64,1);
}
@keyframes authIn {
  from { opacity:0; transform: scale(0.85) translateY(30px); }
  to   { opacity:1; transform: scale(1) translateY(0); }
}
.auth-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  justify-content: center;
}
.auth-logo-icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
  color: #fff;
}
.auth-logo-text { font-size: 22px; font-weight: 800; color: #1e293b; }
.auth-title {
  font-size: 24px;
  font-weight: 800;
  color: #1e293b;
  text-align: center;
  margin-bottom: 6px;
}
.auth-subtitle {
  font-size: 14px;
  color: #64748b;
  text-align: center;
  margin-bottom: 28px;
}
.social-btn {
  width: 100%;
  padding: 13px 20px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  border: 2px solid #e2e8f0;
  background: #fff;
  color: #1e293b;
  transition: all var(--transition);
  margin-bottom: 10px;
  text-align: left;
}
.social-btn:hover { border-color: var(--primary); background: var(--primary-light); transform: translateX(2px); }
.social-btn .social-icon { width: 28px; height: 28px; border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 16px; flex-shrink: 0; }
.social-btn .social-label { flex: 1; }
.social-btn .social-arrow { color: var(--text-muted); font-size: 12px; }
.social-google .social-icon { background: #fff; border: 1px solid #e2e8f0; }
.social-facebook .social-icon { background: #1877f2; color: #fff; }
.social-apple .social-icon { background: #000; color: #fff; }
.social-whatsapp .social-icon { background: #25d366; color: #fff; }
.social-email .social-icon { background: var(--primary); color: #fff; }
.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 16px 0;
  color: var(--text-muted);
  font-size: 13px;
}
.auth-divider::before, .auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.auth-name-form {}
.auth-name-input {
  width: 100%;
  padding: 13px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  color: #1e293b;
  margin-bottom: 12px;
  transition: border-color var(--transition);
}
.auth-name-input:focus { border-color: var(--primary); outline: none; }
.auth-name-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 16px;
  text-align: center;
}
.auth-submit-btn {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.auth-submit-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(59,130,246,0.4); }
.auth-skip { text-align: center; margin-top: 14px; }
.auth-skip a { color: var(--primary); font-size: 13px; cursor: pointer; font-weight: 600; }
.auth-skip a:hover { text-decoration: underline; }
.auth-avatar-row {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.avatar-opt {
  width: 52px; height: 52px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  cursor: pointer;
  border: 3px solid transparent;
  transition: all var(--transition);
  background: var(--bg);
}
.avatar-opt.selected, .avatar-opt:hover { border-color: var(--primary); transform: scale(1.1); }

/* Auth tabs */
.auth-tabs {
  display: flex;
  gap: 4px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 4px;
  margin-bottom: 20px;
}
.auth-tab {
  flex: 1;
  padding: 8px 4px;
  border: none;
  background: transparent;
  border-radius: calc(var(--radius-sm) - 2px);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
}
.auth-tab.active {
  background: var(--card);
  color: var(--primary);
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}
.auth-tab:hover:not(.active) { color: var(--text); }

/* Auth error message */
.auth-error {
  color: var(--danger);
  font-size: 13px;
  padding: 8px 12px;
  background: var(--danger-light);
  border-radius: var(--radius-sm);
  margin-top: 8px;
  border-left: 3px solid var(--danger);
}

/* Auth panel spacing */
.auth-panel { padding-bottom: 4px; }
.auth-panel .auth-name-input + .auth-name-input { margin-top: 8px; }

/* Spinner animation */
@keyframes fa-spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
.fa-spin { animation: fa-spin 0.8s linear infinite; }


.user-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 24px;
  background: var(--bg);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--transition);
  font-size: 13px;
  font-weight: 600;
}
.user-chip:hover { background: var(--primary-light); border-color: var(--primary); }
.user-chip .avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

/* Quiz code in card */
.quiz-card-code {
  font-size: 11px;
  font-family: 'Courier New', monospace;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-light);
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.08em;
}

/* Share modal big code */
.share-code-display {
  background: linear-gradient(135deg, #0f172a, #1e3a8a);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  margin-bottom: 16px;
  color: #fff;
}
.share-code-number {
  font-size: 48px;
  font-weight: 900;
  letter-spacing: 0.18em;
  font-family: 'Courier New', monospace;
  color: #93c5fd;
  line-height: 1;
  margin-bottom: 8px;
}
.share-pin-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,0.7);
}
.share-pin-val {
  font-size: 24px;
  font-weight: 800;
  font-family: 'Courier New', monospace;
  color: #86efac;
  letter-spacing: 0.1em;
}
.share-code-hint {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  margin-top: 8px;
}

@media (max-width: 600px) {
  .find-quiz-widget { padding: 20px 16px; }
  .code-inputs { grid-template-columns: 1fr; }
  .auth-card { padding: 28px 20px; }
  .share-code-number { font-size: 36px; }
}

/* ═══════════════════════════════════════════════════════════════
   BILLING / PLANS PAGE
   ═══════════════════════════════════════════════════════════════ */
.billing-page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 0 48px;
}

/* Hero header */
.billing-hero {
  text-align: center;
  padding: 40px 20px 32px;
}
.billing-hero-icon {
  width: 72px; height: 72px;
  background: linear-gradient(135deg, #8b5cf6, #6366f1);
  border-radius: 20px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 32px; color: #fff;
  margin-bottom: 20px;
  box-shadow: 0 8px 24px rgba(139,92,246,0.35);
}
.billing-hero-title {
  font-size: 28px; font-weight: 800;
  color: var(--text); margin: 0 0 10px;
}
.billing-hero-sub {
  font-size: 15px; color: var(--text-muted);
  margin: 0 0 16px;
}
.billing-sub-info {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 18px;
  font-size: 14px; color: var(--text);
}

/* Plans grid */
.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  padding: 0 8px 32px;
}

/* Plan card */
.plan-card {
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: 20px;
  padding: 28px 22px;
  display: flex; flex-direction: column; gap: 18px;
  position: relative; overflow: hidden;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.plan-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.12);
}
.plan-card.plan-current {
  border-color: var(--plan-color, var(--primary));
  background: var(--plan-bg, var(--bg));
}
.plan-card.plan-popular {
  border-color: #8b5cf6;
  box-shadow: 0 8px 32px rgba(139,92,246,0.2);
}

/* Popular ribbon */
.plan-popular-ribbon {
  position: absolute; top: 16px; right: -28px;
  background: linear-gradient(135deg, #8b5cf6, #6366f1);
  color: #fff; font-size: 11px; font-weight: 700;
  padding: 4px 36px; transform: rotate(35deg);
  letter-spacing: 0.5px;
}

/* Plan header */
.plan-header {
  display: flex; align-items: center; gap: 14px;
}
.plan-icon-wrap {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.plan-name {
  font-size: 20px; font-weight: 800; color: var(--text);
}
.plan-badge {
  display: inline-block;
  font-size: 11px; font-weight: 700;
  padding: 3px 10px; border-radius: 20px;
  margin-top: 4px;
}

/* Price */
.plan-price {
  display: flex; align-items: baseline; gap: 4px;
}
.plan-price-val {
  font-size: 32px; font-weight: 900;
  line-height: 1;
}
.plan-price-cur {
  font-size: 14px; font-weight: 600; color: var(--text-muted);
}
.plan-price-period {
  font-size: 13px; color: var(--text-muted);
}

/* Limits row */
.plan-limits {
  display: flex; flex-direction: column; gap: 6px;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.plan-limit-item {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text);
}
.plan-limit-item i { width: 16px; text-align: center; }

/* Features list */
.plan-features {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 8px;
  flex: 1;
}
.plan-features li {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 13px; color: var(--text);
  line-height: 1.4;
}
.plan-features li i { margin-top: 2px; flex-shrink: 0; }

/* Action button */
.plan-action { margin-top: auto; }
.plan-btn-buy, .plan-btn-free, .plan-btn-current {
  width: 100%; padding: 13px 20px;
  border: none; border-radius: 12px;
  font-size: 14px; font-weight: 700; cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: opacity .2s, transform .15s;
}
.plan-btn-buy {
  color: #fff;
}
.plan-btn-buy:hover { opacity: .9; transform: scale(1.02); }
.plan-btn-free {
  background: var(--bg); color: var(--text);
  border: 2px solid var(--border);
}
.plan-btn-free:hover { background: var(--border); }
.plan-btn-current {
  background: #dcfce7; color: #16a34a;
  border: 2px solid #86efac; cursor: default;
}

/* Payme info */
.billing-payme-info {
  margin: 0 8px 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  display: flex; flex-direction: column; align-items: center;
  text-align: center; gap: 12px;
}
.billing-payme-logo { margin-bottom: 4px; }
.billing-payme-info p {
  font-size: 14px; color: var(--text-muted);
  max-width: 460px; line-height: 1.6;
  margin: 0;
}
.billing-cards {
  display: flex; gap: 10px; flex-wrap: wrap;
  justify-content: center; margin-top: 4px;
}
.billing-card-item {
  display: flex; align-items: center; gap: 6px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 6px 14px;
  font-size: 13px; font-weight: 600; color: var(--text);
}

/* Login notice */
.billing-login-notice {
  margin: 0 8px 24px;
  background: #eff6ff; border: 1px solid #bfdbfe;
  border-radius: 14px; padding: 18px 20px;
  display: flex; align-items: center; gap: 14px;
  flex-wrap: wrap;
}
.billing-login-notice > div { flex: 1; min-width: 160px; }

/* History table */
.billing-history {
  margin: 0 8px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
}

/* Sidebar crown icon color */
.nav-item[data-nav="plans"] i { color: #f59e0b; }
.nav-item[data-nav="plans"].active { background: linear-gradient(135deg,#fef3c720,transparent); }

@media (max-width: 768px) {
  .plans-grid { grid-template-columns: 1fr; }
  .billing-hero-title { font-size: 22px; }
  .plan-price-val { font-size: 26px; }
}

/* ═══════════════════════════════════════════════════════════════
   LIVE SESSION
   ═══════════════════════════════════════════════════════════════ */
.live-dot-pulse { animation: live-pulse 1.2s ease-in-out infinite; }
@keyframes live-pulse { 0%,100%{opacity:1} 50%{opacity:.3} }

.live-page { max-width: 900px; margin: 0 auto; padding-bottom: 48px; }
.live-auth-notice { text-align:center; padding:60px 20px; }
.live-auth-notice .live-auth-icon { font-size:52px; color:var(--primary); margin-bottom:16px; }
.live-auth-notice h3 { font-size:22px; font-weight:800; margin-bottom:10px; }
.live-auth-notice p { color:var(--text-muted); font-size:15px; max-width:400px; margin:0 auto; }

/* Hero */
.live-hero { display:flex; align-items:center; justify-content:space-between; padding:28px 8px 20px; flex-wrap:wrap; gap:12px; }
.live-hero-left { display:flex; align-items:center; gap:16px; }
.live-hero-icon { width:52px;height:52px;background:linear-gradient(135deg,#ef4444,#dc2626);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;color:#fff;flex-shrink:0;box-shadow:0 4px 14px rgba(239,68,68,0.35); }
.live-hero-title { font-size:22px;font-weight:800;color:var(--text); }
.live-hero-sub { font-size:13px;color:var(--text-muted); }

/* Two-card row */
.live-cards-row { display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:0 0 24px; }
@media(max-width:700px){ .live-cards-row{grid-template-columns:1fr;} }

.live-card { background:var(--card);border:2px solid var(--border);border-radius:20px;padding:24px;display:flex;flex-direction:column;gap:16px; }
.live-card-host { border-color:#8b5cf640; }
.live-card-join { border-color:#0ea5e940; }
.live-card-header { display:flex;align-items:center;gap:14px; }
.live-card-icon { width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;color:#fff;flex-shrink:0; }
.live-card-title { font-size:17px;font-weight:800;color:var(--text); }
.live-card-sub { font-size:12px;color:var(--text-muted); }
.live-card-body { flex:1;display:flex;flex-direction:column;gap:12px; }
.live-form-group { display:flex;flex-direction:column;gap:6px; }
.live-form-group label { font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px; }
.live-select,.live-input,.live-code-input { padding:11px 14px;border:2px solid var(--border);border-radius:10px;font-size:14px;color:var(--text);background:var(--bg);width:100%;box-sizing:border-box;transition:border-color .2s; }
.live-select:focus,.live-input:focus,.live-code-input:focus { border-color:var(--primary);outline:none; }
.live-time-btn { padding:7px 14px;border:2px solid var(--border);background:var(--bg);color:var(--text);border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;transition:all .15s; }
.live-time-btn.active { border-color:var(--primary);background:var(--primary);color:#fff; }

.live-btn-host { width:100%;padding:13px;background:linear-gradient(135deg,#8b5cf6,#6366f1);color:#fff;border:none;border-radius:12px;font-size:15px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:opacity .2s; }
.live-btn-host:hover{opacity:.9} .live-btn-host:disabled{opacity:.6;cursor:default}
.live-btn-join { width:100%;padding:13px;background:linear-gradient(135deg,#0ea5e9,#06b6d4);color:#fff;border:none;border-radius:12px;font-size:15px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:opacity .2s; }
.live-btn-join:hover{opacity:.9}

/* History list */
.live-hist-row { display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--card);border:1px solid var(--border);border-radius:12px; }
.live-hist-status { width:8px;height:8px;border-radius:50%;flex-shrink:0; }
.live-hist-status.waiting{background:#f59e0b} .live-hist-status.active{background:#10b981;animation:live-pulse 1s infinite} .live-hist-status.finished{background:#6b7280}
.live-hist-badge { font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px; }
.live-hist-badge.waiting{background:#fef3c7;color:#d97706} .live-hist-badge.active{background:#d1fae5;color:#065f46} .live-hist-badge.finished{background:#f3f4f6;color:#6b7280}

/* Host screen */
.live-host-screen { max-width:720px;margin:0 auto;padding:0 8px 40px; }
.live-host-header { text-align:center;padding:24px 0 20px; }
.live-session-badge { display:inline-flex;align-items:center;gap:8px;background:#fef2f2;color:#ef4444;font-size:13px;font-weight:700;padding:6px 16px;border-radius:20px;margin-bottom:16px; }
.live-session-code-big { font-size:52px;font-weight:900;letter-spacing:.15em;color:var(--text);font-family:'Courier New',monospace;background:var(--bg);border-radius:16px;padding:12px 24px;display:inline-block; }
.live-participants-waiting { background:var(--card);border:1px solid var(--border);border-radius:16px;padding:20px; }
.live-avatars-grid { display:flex;flex-wrap:wrap;gap:8px; }
.live-avatar-chip { display:flex;align-items:center;gap:6px;background:var(--bg);border:1px solid var(--border);border-radius:20px;padding:5px 12px;font-size:13px; }
.live-avatar { font-size:18px; }

/* Host active screen */
.live-host-topbar { display:flex;align-items:center;gap:12px;padding:12px 0 16px;flex-wrap:wrap; }
.live-q-counter { font-size:13px;font-weight:600;color:var(--text-muted); }
.live-progress-bar { flex:1;min-width:80px;height:6px;background:var(--border);border-radius:3px;overflow:hidden; }
.live-progress-fill { height:100%;background:linear-gradient(90deg,#6366f1,#8b5cf6);border-radius:3px;transition:width .3s; }
.live-timer-host { font-size:22px;font-weight:800;color:var(--primary);min-width:48px;text-align:center; }
.live-timer-host.warning{color:#f59e0b} .live-timer-host.danger{color:#ef4444;animation:live-pulse .5s infinite}
.live-parts-count { font-size:13px;color:var(--text-muted);display:flex;align-items:center;gap:4px; }
.live-question-host { background:var(--card);border:2px solid var(--border);border-radius:16px;padding:24px;margin-bottom:16px; }
.live-q-number { font-size:12px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:8px; }
.live-q-text { font-size:20px;font-weight:700;color:var(--text);line-height:1.4; }
.live-options-host { display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px; }
@media(max-width:560px){.live-options-host{grid-template-columns:1fr}}
.live-opt-host { display:flex;align-items:center;gap:10px;padding:12px 16px;background:var(--opt-color,#6366f1)18;border:2px solid var(--opt-color,#6366f1)40;border-radius:12px;font-size:14px;font-weight:600; }
.live-opt-letter { width:28px;height:28px;border-radius:8px;background:var(--opt-color,#6366f1);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;flex-shrink:0; }
.live-live-board { background:var(--card);border:1px solid var(--border);border-radius:14px;padding:14px;margin-bottom:12px; }
.live-board-row { display:flex;align-items:center;gap:10px;padding:6px 0;border-bottom:1px solid var(--border); }
.live-board-row:last-child{border-bottom:none}
.live-board-rank { font-size:18px;width:24px;text-align:center; }
.live-board-avatar { font-size:20px; }
.live-board-name { flex:1;font-size:14px;font-weight:600;color:var(--text); }
.live-board-score { font-size:16px;font-weight:800;color:var(--primary); }

/* Participant screen */
.live-participant-screen { max-width:480px;margin:0 auto;padding:0 8px 40px; }
.live-part-waiting { text-align:center;padding:40px 0; }
.live-part-icon { font-size:48px;color:var(--primary);margin-bottom:16px; }
.live-part-waiting h3 { font-size:22px;font-weight:800;margin-bottom:8px; }
.live-waiting-count { background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:8px 16px;display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;margin-top:12px; }
.live-part-topbar { display:flex;align-items:center;justify-content:space-between;margin-bottom:8px; }
.live-timer-part { font-size:32px;font-weight:900;color:var(--primary);min-width:48px;text-align:right; }
.live-timer-part.warning{color:#f59e0b} .live-timer-part.danger{color:#ef4444;animation:live-pulse .5s infinite}
.live-q-text-part { font-size:18px;font-weight:700;color:var(--text);line-height:1.5;margin-bottom:16px; }
.live-options-part { display:flex;flex-direction:column;gap:10px; }
.live-opt-part { display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--card);border:2px solid var(--border);border-radius:14px;cursor:pointer;font-size:15px;font-weight:600;text-align:left;transition:all .15s;width:100%; }
.live-opt-part:hover { border-color:var(--opt-c);background:color-mix(in srgb, var(--opt-c) 8%, transparent); }
.live-opt-badge { width:32px;height:32px;border-radius:8px;background:var(--opt-c,#6366f1);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;flex-shrink:0;font-size:14px; }
.live-answered-notice { border-radius:14px;padding:20px;text-align:center;font-size:17px;font-weight:700;margin-bottom:12px; }
.live-answered-notice.correct { background:#d1fae5;color:#065f46;border:2px solid #6ee7b7; }
.live-answered-notice.wrong { background:#fee2e2;color:#991b1b;border:2px solid #fca5a5; }
.live-mini-board { display:flex;flex-direction:column;gap:4px;margin-top:8px; }
.live-mini-row { display:flex;align-items:center;gap:8px;padding:4px 8px;background:var(--bg);border-radius:8px;font-size:13px; }
.live-mini-row span:last-child { margin-left:auto;font-weight:700;color:var(--primary); }

/* Results page */
.live-results-page { max-width:640px;margin:0 auto;padding:0 8px 48px; }
.live-results-header { text-align:center;padding:28px 0 20px; }
.live-results-icon { font-size:48px;color:#f59e0b;margin-bottom:12px; }
.live-results-header h2 { font-size:24px;font-weight:800;margin-bottom:6px; }
.live-my-result { display:flex;align-items:center;gap:16px;background:linear-gradient(135deg,#fef3c7,#fde68a);border:2px solid #fbbf24;border-radius:16px;padding:18px 24px;margin-bottom:20px; }
.live-my-rank { font-size:48px; }
.live-podium { display:flex;align-items:flex-end;justify-content:center;gap:8px;margin:20px 0 24px;height:160px; }
.live-podium-place { display:flex;flex-direction:column;align-items:center;justify-content:flex-end;background:var(--card);border:2px solid var(--border);border-radius:14px 14px 0 0;padding:10px 14px;min-width:100px;position:relative; }
.live-podium-avatar { font-size:28px;margin-bottom:4px; }
.live-podium-name { font-size:12px;font-weight:700;color:var(--text);text-align:center;word-break:break-word; }
.live-podium-score { font-size:18px;font-weight:900;color:var(--primary); }
.live-podium-rank { position:absolute;top:-14px;left:50%;transform:translateX(-50%);width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;color:#fff; }
.live-results-table { background:var(--card);border:1px solid var(--border);border-radius:16px;padding:20px; }
.live-result-row { display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--border); }
.live-result-row:last-child{border-bottom:none}
.live-result-row.my-row { background:#eff6ff;margin:0 -8px;padding:10px 8px;border-radius:8px; }
.live-result-rank { font-size:18px;width:28px;text-align:center; }
.live-result-avatar { font-size:20px; }
.live-result-name { flex:1;font-size:14px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap; }
.live-result-correct { font-size:13px;color:var(--text-muted); }
.live-result-pct { font-size:13px;color:var(--text-muted);min-width:40px;text-align:right; }
.live-result-score { font-size:16px;min-width:60px;text-align:right; }

/* ═══════════════════════════════════════════════════════════════
   PLANS PAGE v2 (Free/Teacher/Business + Points)
   ═══════════════════════════════════════════════════════════════ */
.billing-page2 { max-width:1000px;margin:0 auto;padding:0 0 48px; }
.billing-hero2 { text-align:center;padding:36px 20px 24px; }
.bh2-icon { width:68px;height:68px;background:linear-gradient(135deg,#8b5cf6,#6366f1);border-radius:20px;display:inline-flex;align-items:center;justify-content:center;font-size:30px;color:#fff;margin-bottom:16px;box-shadow:0 8px 24px rgba(139,92,246,.35); }
.bh2-title { font-size:26px;font-weight:800;color:var(--text);margin:0 0 8px; }
.bh2-sub { font-size:14px;color:var(--text-muted);margin:0; }

/* Points widget */
.plans-limits-widget { margin:0 0 24px;background:var(--card);border:2px solid var(--border);border-radius:18px;padding:20px; }
.plans-limits-widget.warn { border-color:#fbbf24;background:#fffbeb; }
.plw-header { display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;flex-wrap:wrap;gap:8px; }
.plw-title { font-size:15px;font-weight:700;color:var(--text); }
.plw-warn-badge { background:#fef3c7;color:#d97706;font-size:12px;font-weight:700;padding:4px 12px;border-radius:20px;display:flex;align-items:center;gap:6px; }
.plw-grid { display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-bottom:16px; }
.plw-item { display:flex;flex-direction:column;gap:4px; }
.plw-label { font-size:12px;color:var(--text-muted);display:flex;align-items:center;gap:5px; }
.plw-bar-wrap { height:6px;background:var(--border);border-radius:3px;overflow:hidden; }
.plw-bar { height:100%;border-radius:3px;transition:width .4s; }
.plw-val { font-size:13px;font-weight:700;color:var(--text); }
.plw-costs-title { font-size:12px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px; }
.plw-costs-grid { display:flex;flex-wrap:wrap;gap:6px; }
.plw-cost-item { display:flex;align-items:center;gap:6px;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:4px 10px;font-size:12px;color:var(--text); }
.plw-cost-badge { background:#f59e0b;color:#fff;border-radius:20px;padding:1px 7px;font-size:11px;font-weight:700; }
.plans-active-sub { display:flex;align-items:center;gap:12px;background:#d1fae5;border:1px solid #6ee7b7;border-radius:12px;padding:14px 18px;margin-bottom:20px;font-size:14px; }

/* Plans grid v2 */
.plans-grid2 { display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-bottom:32px; }
.plan-card2 { background:var(--card);border:2px solid var(--border);border-radius:22px;overflow:hidden;display:flex;flex-direction:column;position:relative;transition:transform .2s,box-shadow .2s; }
.plan-card2:hover { transform:translateY(-4px);box-shadow:0 16px 40px rgba(0,0,0,.12); }
.plan-card2-current { border-color:var(--pc); }
.plan-card2-popular { border-color:#8b5cf6;box-shadow:0 8px 32px rgba(139,92,246,.2); }
.pc2-ribbon { position:absolute;top:16px;right:-28px;background:linear-gradient(135deg,#8b5cf6,#6366f1);color:#fff;font-size:10px;font-weight:700;padding:4px 36px;transform:rotate(35deg);letter-spacing:.5px; }
.pc2-tag { position:absolute;top:12px;right:12px;font-size:10px;font-weight:700;padding:3px 10px;border-radius:20px; }
.pc2-top { padding:28px 22px 20px;color:#fff;text-align:center; }
.pc2-icon { font-size:36px;margin-bottom:8px; }
.pc2-name { font-size:20px;font-weight:800;margin-bottom:10px; }
.pc2-price { display:flex;align-items:baseline;justify-content:center;gap:4px; }
.pc2-price-free { font-size:28px;font-weight:900; }
.pc2-price-val { font-size:32px;font-weight:900; }
.pc2-price-sub { font-size:13px;opacity:.85; }
.pc2-body { padding:20px 22px;display:flex;flex-direction:column;gap:14px;flex:1; }
.pc2-stats { display:flex;gap:10px; }
.pc2-stat { flex:1;display:flex;align-items:center;gap:6px;background:var(--bg);border-radius:10px;padding:8px 10px;font-size:12px;font-weight:600;color:var(--text); }
.pc2-stat i { color:var(--pc,var(--primary)); }
.pc2-features { list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:7px;flex:1; }
.pc2-features li { display:flex;align-items:flex-start;gap:7px;font-size:13px;color:var(--text);line-height:1.4; }
.pc2-features li i { margin-top:2px;flex-shrink:0; }
.pc2-action { margin-top:auto; }
.pc2-btn { width:100%;padding:13px;border:none;border-radius:12px;color:#fff;font-size:14px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:opacity .2s,transform .15s; }
.pc2-btn:hover { opacity:.9;transform:scale(1.02); }
.pc2-btn-current { width:100%;padding:13px;border:2px solid #86efac;background:#dcfce7;color:#16a34a;border-radius:12px;font-size:14px;font-weight:700;cursor:default;display:flex;align-items:center;justify-content:center;gap:8px; }

/* Comparison table */
.plans-compare { margin-bottom:28px;background:var(--card);border:1px solid var(--border);border-radius:18px;padding:24px; }
.plans-compare-title { font-size:16px;font-weight:700;color:var(--text);margin-bottom:16px; }
.compare-table { width:100%;border-collapse:collapse;font-size:13px; }
.compare-table th { padding:10px 14px;text-align:center;background:var(--bg);font-weight:700;color:var(--text);border-bottom:2px solid var(--border); }
.compare-table th:first-child { text-align:left; }
.compare-table td { padding:10px 14px;text-align:center;border-bottom:1px solid var(--border);color:var(--text); }
.compare-table td:first-child { text-align:left;font-weight:600; }
.compare-table tr:last-child td { border-bottom:none; }
.cmp-yes { color:#16a34a;font-weight:700; }
.cmp-no { color:#dc2626;opacity:.5; }

/* Sidebar live icon */
.nav-item[data-nav="live"] i { color:#ef4444; }
.nav-item[data-nav="live"].active { background:rgba(239,68,68,0.08); }

@media(max-width:700px){
  .plans-grid2{grid-template-columns:1fr}
  .live-options-host,.compare-table{font-size:12px}
  .live-session-code-big{font-size:36px;padding:8px 16px}
  .live-podium-place{min-width:72px}
}

/* ── Home Plan Widget ──────────────────────────────────────────── */
.home-plan-bar { display:flex;align-items:center;justify-content:space-between;gap:16px;background:var(--card);border:1.5px solid var(--border);border-radius:16px;padding:14px 18px;margin:0 0 20px;flex-wrap:wrap; }
.home-plan-bar.warn { border-color:#fbbf24;background:#fffdf0; }
.hpb-left { display:flex;flex-direction:column;gap:6px;flex:1;min-width:0; }
.hpb-plan-badge { display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;padding:4px 12px;border-radius:20px;width:fit-content; }
.hpb-points { display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text); }
.hpb-bar-wrap { height:5px;background:var(--border);border-radius:3px;overflow:hidden;width:100%;max-width:240px; }
.hpb-bar { height:100%;border-radius:3px;transition:width .4s; }
.hpb-limits { display:flex;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--text-muted); }
.hpb-limits span { display:flex;align-items:center;gap:4px; }
.hpb-upgrade-btn { background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff;border:none;white-space:nowrap; }
.hpb-upgrade-btn:hover { opacity:.9; }

/* ── Quiz Card Footer — scrollable actions ─────────────────────── */
.quiz-card-footer { display:flex;align-items:center;gap:6px;padding:10px 14px;border-top:1px solid var(--border);overflow:hidden; }
.qcf-main { flex-shrink:0; }
.qcf-actions-scroll { display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;flex:1; }
.qcf-actions-scroll::-webkit-scrollbar { display:none; }
.qcf-actions-scroll .btn { flex-shrink:0; }

/* ── Found Quizzes v2 ──────────────────────────────────────────── */
.fq-search-bar { display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap; }
.fq-search-bar .search-box { flex:1;min-width:200px; }
.fq-info-bar { display:flex;align-items:center;gap:8px;padding:10px 14px;background:rgba(59,130,246,0.07);border:1px solid rgba(59,130,246,0.2);border-radius:10px;font-size:13px;color:var(--text-muted);margin-bottom:16px; }
.found-quizzes-grid { display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px; }
.found-quiz-card-v2 { background:var(--card);border:2px solid rgba(99,102,241,0.25);border-radius:16px;padding:16px;display:flex;flex-direction:column;gap:8px;cursor:pointer;transition:transform .15s,box-shadow .15s; }
.found-quiz-card-v2:hover { transform:translateY(-2px);box-shadow:0 6px 24px rgba(99,102,241,0.15); }
.fqc-header { display:flex;align-items:center;justify-content:space-between;gap:8px; }
.fqc-category { font-size:11px;font-weight:700;background:rgba(99,102,241,0.12);color:#6366f1;padding:3px 10px;border-radius:20px; }
.fqc-locked { font-size:11px;font-weight:700;background:#fef2f2;color:#ef4444;padding:3px 8px;border-radius:20px;display:flex;align-items:center;gap:4px; }
.fqc-title { font-size:15px;font-weight:700;color:var(--text);line-height:1.3; }
.fqc-desc { font-size:12px;color:var(--text-muted);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden; }
.fqc-meta { display:flex;flex-wrap:wrap;gap:8px;font-size:12px;color:var(--text-muted); }
.fqc-meta span { display:flex;align-items:center;gap:4px; }
.fqc-code-row { display:flex;align-items:center;gap:8px;padding:6px 10px;background:var(--bg);border-radius:8px;font-size:12px; }
.fqc-code { font-weight:700;color:#3b82f6;background:rgba(59,130,246,0.1);padding:2px 8px;border-radius:12px; }
.fqc-pin { color:var(--text-muted); }
.fqc-actions { display:flex;align-items:center;gap:6px;margin-top:4px; }
.fqc-start { flex:1; }

/* ── QR Code container ─────────────────────────────────────────── */
#live-qr-container { animation:fadeIn .2s ease; }
@keyframes fadeIn { from{opacity:0;transform:scale(.95)} to{opacity:1;transform:scale(1)} }

/* ── Live session code — 8 chars ───────────────────────────────── */
.live-session-code-big { font-size:42px;font-weight:900;letter-spacing:6px;color:var(--primary);font-family:'Courier New',monospace;padding:10px 20px;background:var(--bg);border-radius:14px;border:2px dashed var(--primary);display:inline-block;margin:8px 0; }
@media(max-width:600px){
  .live-session-code-big{font-size:28px;letter-spacing:3px;padding:8px 12px}
  .found-quizzes-grid{grid-template-columns:1fr}
  .home-plan-bar{flex-direction:column;align-items:flex-start}
}