/* ============================================
   Oral Questions Component for mdBook
   Proteomics Study Notes
   ============================================ */

/* Base card styles */
.oral-card {
  --card-accent: #8b5cf6;
  --card-accent-light: #a78bfa;
  --card-accent-dark: #7c3aed;
  
  position: relative;
  border-radius: 12px;
  margin: 24px 0;
  overflow: hidden;
  background: var(--bg);
  border: 1px solid color-mix(in srgb, var(--card-accent) 20%, transparent);
  box-shadow: 
    0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -2px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.oral-card:hover {
  transform: translateY(-2px);
  box-shadow: 
    0 12px 24px -4px rgba(0, 0, 0, 0.15),
    0 4px 8px -2px rgba(0, 0, 0, 0.1);
}

/* Gradient accent bar */
.oral-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--card-accent), var(--card-accent-light));
}

/* Header section */
.oral-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: color-mix(in srgb, var(--card-accent) 8%, var(--bg));
  border-bottom: 1px solid color-mix(in srgb, var(--card-accent) 15%, transparent);
}

.oral-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--card-accent), var(--card-accent-dark));
  color: white;
  font-size: 20px;
  flex-shrink: 0;
  box-shadow: 0 2px 8px color-mix(in srgb, var(--card-accent) 40%, transparent);
}

.oral-meta {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.oral-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--card-accent);
  opacity: 0.9;
}

.oral-topic {
  font-size: 14px;
  font-weight: 500;
  color: var(--fg);
  opacity: 0.8;
}

/* Difficulty badges */
.oral-difficulty {
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.oral-difficulty-easy {
  background: color-mix(in srgb, #22c55e 15%, var(--bg));
  color: #22c55e;
  border: 1px solid color-mix(in srgb, #22c55e 30%, transparent);
}

.oral-difficulty-medium {
  background: color-mix(in srgb, #f59e0b 15%, var(--bg));
  color: #f59e0b;
  border: 1px solid color-mix(in srgb, #f59e0b 30%, transparent);
}

.oral-difficulty-hard {
  background: color-mix(in srgb, #ef4444 15%, var(--bg));
  color: #ef4444;
  border: 1px solid color-mix(in srgb, #ef4444 30%, transparent);
}

/* Question content */
.oral-question {
  padding: 20px;
}

.oral-question-text {
  font-size: 16px;
  line-height: 1.7;
  color: var(--fg);
  font-weight: 500;
}

.oral-question-text strong {
  color: var(--card-accent);
}

/* Toggle button */
.oral-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 20px;
  margin-top: 16px;
  background: color-mix(in srgb, var(--card-accent) 10%, var(--bg));
  border: 1px dashed color-mix(in srgb, var(--card-accent) 30%, transparent);
  border-radius: 8px;
  color: var(--card-accent);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.oral-toggle:hover {
  background: color-mix(in srgb, var(--card-accent) 15%, var(--bg));
  border-style: solid;
}

.oral-toggle-icon {
  transition: transform 0.3s ease;
}

.oral-card.revealed .oral-toggle-icon {
  transform: rotate(180deg);
}

.oral-toggle-text::after {
  content: 'Reveal Answer';
}

.oral-card.revealed .oral-toggle-text::after {
  content: 'Hide Answer';
}

/* Answer section */
.oral-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  background: color-mix(in srgb, #22c55e 5%, var(--bg));
  border-top: 1px solid transparent;
}

.oral-card.revealed .oral-answer {
  max-height: 2000px;
  border-top: 1px solid color-mix(in srgb, #22c55e 20%, transparent);
}

.oral-answer-inner {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: all 0.3s ease 0.1s;
}

.oral-card.revealed .oral-answer-inner {
  padding: 20px;
  max-height: 2000px;
  opacity: 1;
}

.oral-answer-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #22c55e;
  margin-bottom: 12px;
}

.oral-answer-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, color-mix(in srgb, #22c55e 30%, transparent), transparent);
}

.oral-answer-content {
  font-size: 15px;
  line-height: 1.8;
  color: var(--fg);
}

.oral-answer-content p {
  margin: 0 0 12px 0;
}

.oral-answer-content p:last-child {
  margin-bottom: 0;
}

.oral-answer-content ul,
.oral-answer-content ol {
  margin: 12px 0;
  padding-left: 20px;
}

.oral-answer-content li {
  margin: 6px 0;
}

.oral-answer-content code {
  background: var(--inline-code-bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

/* Key points highlight */
.oral-key-point {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  margin: 12px 0;
  background: color-mix(in srgb, var(--card-accent) 8%, var(--bg));
  border-radius: 8px;
  border-left: 3px solid var(--card-accent);
}

.oral-key-point-icon {
  color: var(--card-accent);
  font-size: 16px;
  flex-shrink: 0;
}

/* ============================================
   Topic Color Variants
   ============================================ */

/* Mass Spectrometry - Blue */
.oral-card[data-topic="ms"] {
  --card-accent: #3b82f6;
  --card-accent-light: #60a5fa;
  --card-accent-dark: #2563eb;
}

/* Protein Structure - Teal */
.oral-card[data-topic="structure"] {
  --card-accent: #14b8a6;
  --card-accent-light: #2dd4bf;
  --card-accent-dark: #0d9488;
}

/* Electrophoresis - Orange */
.oral-card[data-topic="electrophoresis"] {
  --card-accent: #f97316;
  --card-accent-light: #fb923c;
  --card-accent-dark: #ea580c;
}

/* Chromatography - Indigo */
.oral-card[data-topic="chromatography"] {
  --card-accent: #6366f1;
  --card-accent-light: #818cf8;
  --card-accent-dark: #4f46e5;
}

/* Quantification - Pink */
.oral-card[data-topic="quantification"] {
  --card-accent: #ec4899;
  --card-accent-light: #f472b6;
  --card-accent-dark: #db2777;
}

/* Bioinformatics - Cyan */
.oral-card[data-topic="bioinformatics"] {
  --card-accent: #06b6d4;
  --card-accent-light: #22d3ee;
  --card-accent-dark: #0891b2;
}

/* ============================================
   Quick Question Variant (Inline)
   ============================================ */

.oral-quick {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  margin: 8px 4px;
  background: color-mix(in srgb, var(--card-accent) 10%, var(--bg));
  border: 1px solid color-mix(in srgb, var(--card-accent) 25%, transparent);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 14px;
}

.oral-quick:hover {
  background: color-mix(in srgb, var(--card-accent) 15%, var(--bg));
}

.oral-quick-q {
  font-weight: 600;
  color: var(--card-accent);
}

.oral-quick-a {
  display: none;
  color: #22c55e;
  padding-left: 8px;
  border-left: 1px solid color-mix(in srgb, #22c55e 30%, transparent);
}

.oral-quick.revealed .oral-quick-a {
  display: inline;
}

/* ============================================
   Question Set / Practice Mode
   ============================================ */

.oral-set {
  border: 2px solid color-mix(in srgb, var(--card-accent) 20%, transparent);
  border-radius: 16px;
  padding: 24px;
  margin: 32px 0;
  background: color-mix(in srgb, var(--card-accent) 3%, var(--bg));
}

.oral-set-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid color-mix(in srgb, var(--card-accent) 15%, transparent);
}

.oral-set-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
  display: flex;
  align-items: center;
  gap: 10px;
}

.oral-set-title::before {
  content: '📚';
}

.oral-set-progress {
  display: flex;
  align-items: center;
  gap: 12px;
}

.oral-set-counter {
  font-size: 13px;
  font-weight: 600;
  color: var(--card-accent);
}

.oral-set-bar {
  width: 100px;
  height: 6px;
  background: color-mix(in srgb, var(--card-accent) 20%, var(--bg));
  border-radius: 3px;
  overflow: hidden;
}

.oral-set-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--card-accent), var(--card-accent-light));
  border-radius: 3px;
  transition: width 0.3s ease;
}

.oral-set .oral-card {
  margin: 16px 0;
}

.oral-set-controls {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid color-mix(in srgb, var(--card-accent) 15%, transparent);
}

.oral-set-btn {
  flex: 1;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}

.oral-set-btn-reveal {
  background: var(--card-accent);
  color: white;
}

.oral-set-btn-reveal:hover {
  background: var(--card-accent-dark);
}

.oral-set-btn-shuffle {
  background: color-mix(in srgb, var(--card-accent) 15%, var(--bg));
  color: var(--card-accent);
  border: 1px solid color-mix(in srgb, var(--card-accent) 30%, transparent);
}

.oral-set-btn-shuffle:hover {
  background: color-mix(in srgb, var(--card-accent) 25%, var(--bg));
}

/* ============================================
   Mobile Responsiveness
   ============================================ */

@media (max-width: 768px) {
  .oral-card {
    margin: 16px 0;
    border-radius: 10px;
  }
  
  .oral-header {
    padding: 14px 16px;
    flex-wrap: wrap;
  }
  
  .oral-icon {
    width: 36px;
    height: 36px;
    font-size: 18px;
  }
  
  .oral-question {
    padding: 16px;
  }
  
  .oral-question-text {
    font-size: 15px;
  }
  
  .oral-toggle {
    padding: 10px 16px;
    font-size: 13px;
  }
  
  .oral-answer-inner {
    padding: 16px;
  }
  
  .oral-set {
    padding: 16px;
    margin: 24px 0;
  }
  
  .oral-set-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
  .oral-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
  }
  
  .oral-toggle {
    display: none;
  }
  
  .oral-answer {
    max-height: none !important;
  }
  
  .oral-answer-inner {
    max-height: none !important;
    opacity: 1 !important;
    padding: 20px !important;
  }
}