/* =========================================================
   EklavyaX — STANDALONE QUIZ UI STYLES
   ========================================================= */

.quiz-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 10px 20px 40px;
}

/* ── Top Header / HUD ── */
.quiz-hud {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding: 16px 24px;
  background: var(--card-dark, #14382a);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  backdrop-filter: blur(12px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.quiz-hud-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.quiz-progress-badge {
  background: rgba(244, 174, 37, 0.15);
  color: var(--accent-gold, #f4ae25);
  padding: 6px 14px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.9rem;
  border: 1px solid rgba(244, 174, 37, 0.3);
}

.quiz-topic-tag {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text, #eef0df);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.quiz-hud-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.quiz-streak-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  padding: 6px 14px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 1px solid rgba(239, 68, 68, 0.3);
  transition: transform 0.3s ease;
}

.quiz-streak-badge.active-streak {
  animation: pulse-flame 1.5s infinite alternate;
  background: rgba(239, 68, 68, 0.25);
  border-color: #ef4444;
}

@keyframes pulse-flame {
  0% { transform: scale(1); filter: drop-shadow(0 0 2px #ef4444); }
  100% { transform: scale(1.05); filter: drop-shadow(0 0 8px #ef4444); }
}

.quiz-preview-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-muted, #aebcaf);
}

.quiz-preview-badge strong {
  color: var(--accent-gold, #f4ae25);
}

/* ── Timer Bar ── */
.quiz-timer-container {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  margin-bottom: 24px;
  overflow: hidden;
  position: relative;
}

.quiz-timer-bar {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, #10b981, #f4ae25, #ef4444);
  border-radius: 4px;
  transition: width 0.1s linear;
}

.quiz-timer-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted, #aebcaf);
  margin-top: 4px;
  margin-bottom: 16px;
}

/* ── Question Card ── */
.quiz-card {
  background: var(--card-dark, #14382a);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 36px 32px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.35);
  position: relative;
  overflow: hidden;
}

.quiz-question-prompt {
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text, #eef0df);
  margin-bottom: 30px;
}

/* ── Options Grid ── */
.quiz-options-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 30px;
}

.quiz-option-btn {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 2px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  color: var(--text, #eef0df);
  font-family: inherit;
  font-size: 1.05rem;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.quiz-option-btn:hover:not(:disabled) {
  background: rgba(244, 174, 37, 0.08);
  border-color: var(--accent-gold, #f4ae25);
  transform: translateY(-2px);
}

.quiz-option-letter {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text, #eef0df);
  font-weight: 700;
  font-size: 0.95rem;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.quiz-option-btn.selected .quiz-option-letter {
  background: var(--accent-gold, #f4ae25);
  color: #103e2d;
}

.quiz-option-btn.selected {
  border-color: var(--accent-gold, #f4ae25);
  background: rgba(244, 174, 37, 0.12);
}

/* ── Feedback States (Server-driven) ── */
.quiz-option-btn.correct {
  background: rgba(16, 185, 129, 0.2) !important;
  border-color: #10b981 !important;
  color: #6ee7b7 !important;
}

.quiz-option-btn.correct .quiz-option-letter {
  background: #10b981 !important;
  color: #fff !important;
}

.quiz-option-btn.incorrect {
  background: rgba(239, 68, 68, 0.2) !important;
  border-color: #ef4444 !important;
  color: #fca5a5 !important;
}

.quiz-option-btn.incorrect .quiz-option-letter {
  background: #ef4444 !important;
  color: #fff !important;
}

.quiz-option-btn:disabled {
  cursor: not-allowed;
  opacity: 0.9;
}

/* ── Feedback Banner ── */
.quiz-feedback-banner {
  padding: 16px 20px;
  border-radius: 14px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  animation: slide-down 0.3s ease;
}

@keyframes slide-down {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.quiz-feedback-banner.correct {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.45);
  color: #6ee7b7;
}

.quiz-feedback-banner.incorrect {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.45);
  color: #fca5a5;
}

.quiz-feedback-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}

.quiz-feedback-status {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.quiz-correct-option-callout {
  font-size: 0.92rem;
  color: var(--chalk, #eef0df);
  margin-top: 4px;
  background: rgba(0, 0, 0, 0.25);
  padding: 6px 12px;
  border-radius: 8px;
  display: inline-block;
  border-left: 3px solid #10b981;
}

.quiz-explanation-box {
  background: rgba(15, 29, 22, 0.85);
  border: 1px solid rgba(244, 174, 37, 0.35);
  border-radius: 12px;
  padding: 14px 16px;
  margin-top: 4px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
}

.quiz-explanation-box.is-correct-exp {
  border-color: rgba(16, 185, 129, 0.35);
  background: rgba(15, 29, 22, 0.7);
}

.quiz-explanation-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--accent-gold, #f4ae25);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 700;
  margin-bottom: 6px;
}

.quiz-explanation-text {
  font-size: 0.94rem;
  line-height: 1.55;
  color: var(--chalk, #f5f0e2);
  white-space: pre-line;
}

.quiz-feedback-reward {
  font-weight: 700;
  display: flex;
  gap: 12px;
  margin-top: 4px;
}

.quiz-cooldown-warning {
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.4);
  color: #fcd34d;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 0.88rem;
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── Actions Footer ── */
.quiz-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
}

.quiz-btn {
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 700;
  font-family: inherit;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.quiz-btn-primary {
  background: linear-gradient(135deg, var(--accent-gold, #f4ae25), #e09b18);
  color: #103e2d;
  box-shadow: 0 4px 15px rgba(244, 174, 37, 0.3);
}

.quiz-btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--accent-gold-light, #ffc653), var(--accent-gold, #f4ae25));
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(244, 174, 37, 0.4);
}

.quiz-btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.quiz-btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text, #eef0df);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.quiz-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* ── Summary Screen / Modal ── */
.quiz-summary-card {
  background: var(--card-dark, #14382a);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 40px;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.quiz-summary-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(244, 174, 37, 0.2);
  color: var(--accent-gold, #f4ae25);
  font-size: 2.2rem;
  margin-bottom: 20px;
}

.quiz-summary-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 30px 0;
}

.quiz-stat-box {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 18px 12px;
}

.quiz-stat-box h3 {
  font-size: 1.8rem;
  color: var(--text, #eef0df);
  margin-bottom: 4px;
}

.quiz-stat-box p {
  font-size: 0.85rem;
  color: var(--text-muted, #aebcaf);
}

.quiz-transparency-box {
  background: rgba(245, 158, 11, 0.08);
  border: 1px dashed rgba(245, 158, 11, 0.3);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 28px;
  text-align: left;
}

.quiz-transparency-box h4 {
  color: var(--accent-gold, #f4ae25);
  font-size: 0.95rem;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.quiz-transparency-box ul {
  padding-left: 20px;
  margin: 0;
  color: var(--text, #eef0df);
  font-size: 0.88rem;
  line-height: 1.5;
}

@media (max-width: 768px) {
  .quiz-hud {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .quiz-hud-right {
    width: 100%;
    justify-content: space-between;
  }
  .quiz-card {
    padding: 24px 18px;
  }
  .quiz-summary-stats {
    grid-template-columns: 1fr;
  }
}