/* =============================================
   Yui — Quiz Page Styles
   ============================================= */

/* ---------- Quiz Layout ---------- */
.quiz-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.quiz-header {
  padding: var(--space-md) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.quiz-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.quiz-back-btn {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.95rem;
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition-fast);
  text-decoration: none;
}

.quiz-back-btn:hover {
  color: var(--text-primary);
}

.quiz-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl) 0;
}

/* ---------- Setup Screen ---------- */
.quiz-setup {
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
}

.quiz-setup-card {
  padding: var(--space-2xl);
}

.quiz-setup-card h2 {
  text-align: center;
  margin-bottom: var(--space-xs);
}

.quiz-setup-card .setup-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
  font-size: 0.95rem;
}

.setup-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

/* Category selector — 1-col so each card has full width for description text */
.category-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
}

.category-option {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
}

.category-option input[type="radio"] {
  display: none;
}

.category-option .cat-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.category-option .cat-info {
  flex: 1;
}

.category-option .cat-name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  display: block;
}

.category-option .cat-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.category-option:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.15);
}

.category-option.selected {
  background: rgba(255, 107, 157, 0.08);
  border-color: var(--accent-rose);
  box-shadow: 0 0 0 3px rgba(255, 107, 157, 0.1);
}

.category-option .cat-check {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--bg-glass-border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.category-option.selected .cat-check {
  background: var(--gradient-primary);
  border-color: var(--accent-rose);
}

.category-option.selected .cat-check::after {
  content: '✓';
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
}

/* Question count selector */
.count-selector {
  display: flex;
  gap: var(--space-sm);
}

.count-option {
  flex: 1;
  padding: var(--space-md);
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
}

.count-option:hover {
  background: var(--bg-card-hover);
}

.count-option.selected {
  background: rgba(192, 132, 252, 0.1);
  border-color: var(--accent-lavender);
  color: var(--accent-lavender-light);
}

.setup-start-btn {
  margin-top: var(--space-md);
  width: 100%;
  padding: var(--space-lg) !important;
  font-size: 1.1rem !important;
}

/* ---------- Game Screen ---------- */
.quiz-game {
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
}

/* Progress bar */
.quiz-progress {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  gap: var(--space-md);
}

.progress-bar-container {
  flex: 1;
  height: 6px;
  background: var(--bg-card);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-normal);
}

.progress-text {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* Score display */
.quiz-score-display {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.score-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
}

.score-item .score-icon {
  font-size: 1.2rem;
}

.score-value {
  color: var(--accent-peach);
}

.streak-value {
  color: var(--accent-coral);
}

/* Timer */
.timer-container {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-xl);
}

.timer-ring {
  position: relative;
  width: 64px;
  height: 64px;
}

.timer-ring svg {
  transform: rotate(-90deg);
  width: 64px;
  height: 64px;
}

.timer-ring .timer-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.06);
  stroke-width: 4;
}

.timer-ring .timer-progress {
  fill: none;
  stroke: var(--accent-mint);
  stroke-width: 4;
  stroke-linecap: round;
  transition: stroke-dashoffset 1s linear, stroke var(--transition-fast);
}

.timer-ring .timer-progress.warning {
  stroke: var(--accent-peach);
}

.timer-ring .timer-progress.danger {
  stroke: var(--accent-coral);
}

.timer-number {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--text-primary);
}

/* Question card */
.question-card {
  padding: var(--space-2xl);
  margin-bottom: var(--space-lg);
  text-align: center;
}

.question-category {
  margin-bottom: var(--space-md);
}

.question-text {
  font-family: var(--font-heading);
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: var(--space-xl);
}

/* Answer options */
.answers-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.answer-btn {
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  text-align: center;
  line-height: 1.4;
}

.answer-btn:hover:not(.disabled) {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.answer-btn.correct {
  background: rgba(52, 211, 153, 0.15);
  border-color: var(--accent-mint);
  color: var(--accent-mint);
  box-shadow: 0 0 20px rgba(52, 211, 153, 0.2);
}

.answer-btn.wrong {
  background: rgba(251, 113, 133, 0.15);
  border-color: var(--accent-coral);
  color: var(--accent-coral);
  animation: shake 0.5s ease;
}

.answer-btn.disabled {
  pointer-events: none;
  opacity: 0.5;
}

.answer-btn.disabled.correct {
  opacity: 1;
}

/* Answer letter label */
.answer-letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.8rem;
  margin-right: var(--space-sm);
  flex-shrink: 0;
}

.answer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------- Results Screen ---------- */
.quiz-results {
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  text-align: center;
}

.results-card {
  padding: var(--space-3xl) var(--space-2xl);
}

.results-emoji {
  font-size: 4rem;
  margin-bottom: var(--space-lg);
  animation: float 3s ease-in-out infinite;
}

.results-card h2 {
  margin-bottom: var(--space-sm);
}

.results-message {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: var(--space-2xl);
}

/* Score circle */
.score-circle {
  width: 160px;
  height: 160px;
  margin: 0 auto var(--space-2xl);
  position: relative;
}

.score-circle svg {
  transform: rotate(-90deg);
  width: 160px;
  height: 160px;
}

.score-circle .circle-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.06);
  stroke-width: 8;
}

.score-circle .circle-fill {
  fill: none;
  stroke: url(#scoreGradient);
  stroke-width: 8;
  stroke-linecap: round;
  transition: stroke-dashoffset 1.5s ease;
}

.score-circle-inner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.score-percent {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 2.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.score-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Stats row */
.results-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.stat-item {
  padding: var(--space-md);
  background: var(--bg-card);
  border-radius: var(--radius-md);
}

.stat-value {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.4rem;
  display: block;
}

.stat-value.correct-color { color: var(--accent-mint); }
.stat-value.wrong-color { color: var(--accent-coral); }
.stat-value.streak-color { color: var(--accent-peach); }

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Results actions */
.results-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Confetti ---------- */
.confetti-piece {
  position: fixed;
  width: 10px;
  height: 10px;
  top: -10px;
  border-radius: 2px;
  animation: confetti-fall 3s linear forwards;
  z-index: 200;
  pointer-events: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .quiz-setup-card,
  .question-card,
  .results-card {
    padding: var(--space-xl);
  }

  .answers-grid {
    grid-template-columns: 1fr;
  }

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

  .results-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
  }

  .stat-item {
    padding: var(--space-sm);
  }

  .stat-value {
    font-size: 1.1rem;
  }
}

/* Touch devices: don't let :hover styles "stick" after a tap (no real hover),
   and use :active for immediate tactile feedback instead. Mirrors the
   Pictionary/Connect4 touch pass. */
@media (hover: none) {
  .answer-btn:hover:not(.disabled) { background: var(--bg-card); border-color: var(--bg-glass-border); transform: none; }
  .answer-btn:active:not(.disabled) { transform: scale(0.98); border-color: rgba(255, 255, 255, 0.2); }
  .category-option:hover { background: var(--bg-card); border-color: var(--bg-glass-border); }
  .category-option:active { background: var(--bg-card-hover); }
  .count-option:hover { background: var(--bg-card); }
  .count-option:active { background: var(--bg-card-hover); }
}