/* ============ QUIZ PAGE ============ */

.quiz-shell {
  max-width: 700px;
  margin: 0 auto;
  padding: 0 0 60px;
}

/* ===== Start screen ===== */
.quiz-start {
  text-align: center;
  padding: 60px 24px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}
.quiz-start__icon {
  font-size: 4rem;
  margin-bottom: 20px;
  animation: float 3s ease-in-out infinite;
}
@keyframes float {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}
.quiz-start__title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}
.quiz-start__desc {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-bottom: 36px;
}

/* ===== Mode selection cards ===== */
.quiz-modes {
  display: flex;
  gap: 16px;
  margin-top: 28px;
  justify-content: center;
}
.quiz-mode-card {
  flex: 1;
  max-width: 260px;
  padding: 28px 20px;
  background: var(--color-bg);
  border: 2px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  user-select: none;
}
.quiz-mode-card:hover {
  border-color: var(--color-primary);
  background: rgba(27, 94, 59, 0.05);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.quiz-mode-card__icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  line-height: 1;
}
.quiz-mode-card__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--color-primary-dark);
  font-weight: 700;
  margin-bottom: 8px;
}
.quiz-mode-card__desc {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

/* ===== Buttons ===== */
.quiz-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  border: none;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
}
.quiz-btn--start {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  box-shadow: 0 4px 20px rgba(27, 94, 59, 0.35);
}
.quiz-btn--start:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(27, 94, 59, 0.45);
}

/* ===== Progress bar ===== */
.quiz-progress {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
}
.quiz-progress__bar {
  flex: 1;
  height: 8px;
  background: var(--color-border-light);
  border-radius: 50px;
  overflow: hidden;
}
.quiz-progress__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 50px;
  transition: width 0.5s cubic-bezier(.4,0,.2,1);
  width: 0%;
}
.quiz-progress__label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

/* ===== Question block ===== */
.quiz-question-block {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 32px 28px 28px;
  box-shadow: var(--shadow-card);
  min-height: 436px;
}
.quiz-question__type {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--color-primary);
  background: rgba(27, 94, 59, 0.1);
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.quiz-question__text {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--color-primary-dark);
  margin-bottom: 24px;
  line-height: 1.5;
}

/* ===== Media area ===== */
.quiz-media {
  margin-bottom: 24px;
  display: flex;
  justify-content: center;
}
.quiz-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
  border: 4px solid var(--color-accent);
  box-shadow: var(--shadow-md);
}
.quiz-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.quiz-audio-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: linear-gradient(135deg, #E67E22, #F39C12);
  color: #fff;
  border: none;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(230, 126, 34, 0.35);
}
.quiz-audio-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(230, 126, 34, 0.45); }
.quiz-audio-btn.playing { background: linear-gradient(135deg, #E74C3C, #C0392B); box-shadow: 0 4px 16px rgba(231, 76, 60, 0.35); }

/* ===== Options grid ===== */
.quiz-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.quiz-option {
  padding: 16px 18px;
  border: 2px solid var(--color-border-light);
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  text-align: left;
  transition: all var(--transition);
  line-height: 1.4;
  min-height: 60px;
  display: flex;
  align-items: center;
}
.quiz-option:hover:not(:disabled) {
  border-color: var(--color-primary);
  background: rgba(27, 94, 59, 0.05);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.quiz-option--correct {
  border-color: #27AE60 !important;
  background: rgba(39, 174, 96, 0.12) !important;
  color: #1A7A40 !important;
  font-weight: 700 !important;
  transform: none !important;
}
.quiz-option--correct::before { content: '✓'; margin-right: 10px; }
.quiz-option--wrong {
  border-color: #E74C3C !important;
  background: rgba(231, 76, 60, 0.1) !important;
  color: #C0392B !important;
}
.quiz-option--wrong::before { content: '✗'; margin-right: 10px; }

/* ===== Result screen ===== */
.quiz-result {
  text-align: center;
  padding: 60px 24px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}
.quiz-result__icon {
  font-size: 5rem;
  margin-bottom: 20px;
  animation: pop 0.5s cubic-bezier(.36,.07,.19,.97) both;
}
@keyframes pop {
  0%   { transform: scale(0); opacity: 0; }
  60%  { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(1); }
}
.quiz-result__score {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}
.quiz-result__text {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  margin-bottom: 36px;
}

/* ===== Navigation buttons ===== */
.quiz-nav-buttons {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border-light);
  min-height: 52px; /* reserve space even when empty so layout stays stable */
}
.quiz-btn--nav {
  background: var(--color-bg-card);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  padding: 10px 24px;
  font-size: 0.9rem;
}
.quiz-btn--nav:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}
.quiz-btn--next {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  border-color: var(--color-primary);
}
.quiz-btn--next:hover {
  box-shadow: 0 6px 20px rgba(27, 94, 59, 0.4);
}
.quiz-btn--skip {
  background: transparent;
  color: var(--color-text-secondary);
  border: 2px solid var(--color-border-light);
  padding: 10px 24px;
  font-size: 0.9rem;
  margin-left: auto;
}
.quiz-btn--skip:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

/* ===== Result summary ===== */
.quiz-summary {
  text-align: left;
  margin: 32px 0 28px;
}
.quiz-summary__title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--color-primary-dark);
  margin-bottom: 16px;
  text-align: center;
}
.quiz-summary__item {
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-bottom: 10px;
  transition: all var(--transition);
}
.quiz-summary__item--correct {
  border-left: 4px solid #27AE60;
  background: rgba(39, 174, 96, 0.05);
}
.quiz-summary__item--wrong {
  border-left: 4px solid #E74C3C;
  background: rgba(231, 76, 60, 0.05);
}
.quiz-summary__item--skipped {
  border-left: 4px solid var(--color-accent);
  background: rgba(197, 165, 90, 0.05);
}
.quiz-summary__header {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.quiz-summary__num {
  font-weight: 700;
  font-size: 0.85rem;
  color: #fff;
  background: var(--color-primary);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.quiz-summary__question {
  flex: 1;
  font-size: 0.9rem;
  color: var(--color-text);
  min-width: 0;
}
.quiz-summary__status {
  font-size: 0.8rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 50px;
  white-space: nowrap;
}
.quiz-summary__status--correct {
  background: rgba(39, 174, 96, 0.15);
  color: #1A7A40;
}
.quiz-summary__status--wrong {
  background: rgba(231, 76, 60, 0.12);
  color: #C0392B;
}
.quiz-summary__status--skipped {
  background: rgba(197, 165, 90, 0.15);
  color: #8B7230;
}
.quiz-summary__details {
  margin-top: 8px;
  padding-left: 36px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.quiz-summary__details strong {
  color: var(--color-text);
}

/* ===== Responsive ===== */
@media (max-width: 600px) {
  .quiz-options { grid-template-columns: 1fr; }
  .quiz-question-block { padding: 24px 16px; }
  .quiz-start { padding: 40px 16px; }
  .quiz-photo { width: 160px; height: 160px; }
  .quiz-start__title { font-size: 1.3rem; }
  .quiz-nav-buttons { flex-wrap: wrap; }
  .quiz-summary__header { gap: 6px; }
  .quiz-summary__details { padding-left: 0; }
  .quiz-modes { flex-direction: column; align-items: center; }
  .quiz-mode-card { width: 100%; max-width: none; }
}