/* Quiz — Warm Elegant (quiz.html) */

.quiz-page {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--ambient-radial), var(--ambient-radial-teal), var(--bg);
  color: var(--text-1);
}

.quiz-shell {
  position: relative;
  z-index: 1;
  max-width: 42rem;
  margin: 0 auto;
  padding: 0 16px;
  width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.quiz-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.quiz-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-1);
}

.quiz-brand-mark {
  width: 44px;
  height: 44px;
  border-radius: var(--r-md);
  background: var(--brand-primary-dim);
  border: 1px solid color-mix(in srgb, var(--brand-primary) 30%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--brand-primary);
}

.quiz-brand-title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.quiz-brand-sub {
  font-size: 11px;
  color: var(--text-3);
}

.quiz-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 28px 0;
}

.quiz-footer {
  text-align: center;
  padding: 20px 0;
  font-size: 12px;
  color: var(--text-3);
  flex-shrink: 0;
}

.quiz-lang button {
  background: transparent;
  border: 1px solid var(--border-md);
  padding: 4px 10px;
  cursor: pointer;
  font-weight: 600;
  border-radius: var(--r-sm);
  color: var(--text-3);
  font-size: 12px;
  transition: background var(--ease-ui), color var(--ease-ui), border-color var(--ease-ui);
}

.quiz-lang button.active {
  background: var(--brand-primary-dim);
  color: var(--brand-primary);
  border-color: var(--brand-primary);
}

.quiz-panel {
  background: var(--s1);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
  animation: quiz-fade-in 0.45s var(--ease-out) both;
}

@media (min-width: 640px) {
  .quiz-panel { padding: 32px; }
}

@keyframes quiz-fade-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.quiz-headline {
  font-family: var(--font-display);
  font-size: clamp(24px, 5vw, 30px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: var(--tracking-tight);
  color: var(--text-1);
  margin: 0 0 10px;
}

.quiz-sub {
  font-size: 16px;
  color: var(--text-2);
  margin: 0 0 20px;
}

.quiz-rotator {
  height: 36px;
  overflow: hidden;
  position: relative;
  color: var(--text-2);
  margin-bottom: 24px;
}

.quiz-rotator-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 15px;
  position: absolute;
  width: 100%;
  left: 0;
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

.quiz-rotator-item.active { opacity: 1; transform: translateY(0); }
.quiz-rotator-item.exit { opacity: 0; transform: translateY(-100%); }

.quiz-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
  padding: 14px 24px;
  border: none;
  border-radius: var(--r-pill);
  background: var(--brand-primary);
  color: #fff;
  font-size: 17px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-violet);
  transition: transform var(--ease-ui), box-shadow var(--ease-ui);
}

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

.quiz-progress-meta {
  font-size: 12px;
  color: var(--text-3);
  margin: 0 0 8px;
}

.quiz-progress-track {
  width: 100%;
  height: 6px;
  border-radius: var(--r-pill);
  background: var(--s3);
  overflow: hidden;
}

.quiz-progress-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--brand-primary), var(--brand-secondary));
  transition: width 0.45s var(--ease-out);
}

.quiz-question {
  font-family: var(--font-display);
  font-size: clamp(20px, 4vw, 24px);
  font-weight: 600;
  line-height: 1.35;
  margin: 20px 0 18px;
  min-height: 56px;
  color: var(--text-1);
}

.quiz-answers {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

@media (min-width: 640px) {
  .quiz-answers { grid-template-columns: 1fr 1fr; }
}

.quiz-answer {
  display: block;
  width: 100%;
  text-align: left;
  padding: 16px 18px;
  border: 1.5px solid var(--border-md);
  border-radius: var(--r-md);
  background: var(--s2);
  color: var(--text-1);
  font-size: 15px;
  line-height: 1.45;
  cursor: pointer;
  transition: border-color var(--ease-ui), background var(--ease-ui), box-shadow var(--ease-ui);
}

.quiz-answer:hover {
  border-color: var(--brand-primary);
  background: var(--brand-primary-dim);
}

.quiz-answer[aria-pressed="true"] {
  border-color: var(--brand-primary);
  background: var(--brand-primary-dim);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--brand-primary) 25%, transparent);
}

.quiz-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.quiz-btn-ghost {
  padding: 10px 18px;
  border-radius: var(--r-pill);
  border: 1px solid var(--border-md);
  background: transparent;
  color: var(--text-2);
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--ease-ui), background var(--ease-ui);
}

.quiz-btn-ghost:active { transform: scale(0.97); }
.quiz-btn-ghost.is-disabled { opacity: 0.45; pointer-events: none; }

.quiz-hint {
  font-size: 12px;
  color: var(--text-3);
  text-align: center;
}

.quiz-calculating {
  text-align: center;
  position: relative;
  padding: 80px 0;
  min-height: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  animation: quiz-fade-in 0.45s var(--ease-out) both;
}

.quiz-calculating-aura {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(50% 60% at 50% 50%, var(--brand-primary-dim), transparent 70%);
  filter: blur(16px);
  animation: quiz-pulse 3.2s ease-in-out infinite;
}

@keyframes quiz-pulse {
  0%, 100% { opacity: 0.65; transform: translate(-50%, -50%) scale(0.95); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.04); }
}

.quiz-calculating-text {
  position: relative;
  z-index: 1;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-1);
}

.quiz-result-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-primary);
  margin-bottom: 8px;
}

.quiz-flip-scene {
  width: 100%;
  max-width: 320px;
  height: 480px;
  margin: 16px auto;
  perspective: 1200px;
}

.quiz-flip-card {
  position: relative;
  width: 100%;
  height: 100%;
  cursor: pointer;
  transition: transform 0.7s cubic-bezier(0.25, 1, 0.5, 1);
  transform-style: preserve-3d;
}

.quiz-flip-card.is-flipped { transform: rotateY(180deg); }

.quiz-flip-front,
.quiz-flip-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.quiz-flip-front {
  background: var(--s2);
  transition: transform 0.25s var(--ease-out);
}

.quiz-flip-card:not(.is-flipped):hover .quiz-flip-front {
  transform: scale(1.02) translateY(-4px);
}

.quiz-flip-front img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.quiz-flip-back {
  background: var(--s1);
  border: 1px solid var(--border);
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px;
  color: var(--text-1);
}

.quiz-flip-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 600;
  margin: 0 0 12px;
  line-height: 1.2;
}

.quiz-flip-desc {
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-2);
  margin: 0 0 18px;
}

.quiz-btn-secondary {
  display: block;
  width: 100%;
  padding: 12px 20px;
  margin-bottom: 10px;
  border: none;
  border-radius: var(--r-pill);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: transform var(--ease-ui);
}

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

.quiz-btn-secondary--teal {
  background: var(--brand-secondary);
  color: #fff;
  box-shadow: var(--shadow-teal);
}

.quiz-btn-secondary--primary {
  background: var(--brand-primary);
  color: #fff;
  box-shadow: var(--shadow-violet);
}

.quiz-login-link {
  margin-top: 14px;
  font-size: 13px;
  color: var(--text-3);
}

.quiz-login-link a {
  color: var(--brand-primary);
  text-decoration: underline;
}

.cosmic-background { display: none !important; }

@media (prefers-reduced-motion: reduce) {
  .quiz-panel, .quiz-calculating, .quiz-flip-card { animation: none; transition: none; }
  .quiz-calculating-aura { animation: none; }
}