src/index.css

@tailwind base;
@tailwind components;
@tailwind utilities;

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f5f7fa;
  color: #1e2139;
}

/* Medical exam styling */
.exam-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.exam-header {
  background: linear-gradient(135deg, #1e2139 0%, #2d3561 100%);
  color: white;
  padding: 1rem 2rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.exam-content {
  flex: 1;
  display: flex;
  gap: 2rem;
  padding: 2rem;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.question-panel {
  flex: 1;
  background: white;
  border-radius: 8px;
  padding: 2rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.sidebar-panel {
  width: 280px;
  background: white;
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  height: fit-content;
}

.question-text {
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  color: #1e2139;
}

.answer-option {
  padding: 1rem;
  margin-bottom: 0.75rem;
  border: 2px solid #e0e4e8;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  background: white;
}

.answer-option:hover {
  border-color: #0066cc;
  background: #f0f6ff;
}

.answer-option.selected {
  border-color: #0066cc;
  background: #e6f0ff;
  font-weight: 500;
}

.answer-option.correct {
  border-color: #10b981;
  background: #f0fdf4;
}

.answer-option.incorrect {
  border-color: #ef4444;
  background: #fef2f2;
}

.timer {
  font-size: 1.5rem;
  font-weight: 600;
  text-align: center;
  padding: 1rem;
  background: #f0f6ff;
  border-radius: 6px;
  margin-bottom: 1rem;
}

.timer.warning {
  background: #fff3cd;
  color: #856404;
}

.timer.critical {
  background: #f8d7da;
  color: #721c24;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: #e0e4e8;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 1rem;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #0066cc, #0052a3);
  transition: width 0.3s ease;
}

.navigation-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.btn-primary {
  background: #0066cc;
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background: #0052a3;
}

.btn-secondary {
  background: #e0e4e8;
  color: #1e2139;
}

.btn-secondary:hover:not(:disabled) {
  background: #c8cdd5;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.image-container {
  margin: 1.5rem 0;
  background: #f9fafb;
  padding: 1rem;
  border-radius: 6px;
  border: 1px solid #e0e4e8;
}

.image-container img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

.image-controls {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.contrast-slider {
  width: 100%;
  cursor: pointer;
}

.settings-panel {
  background: white;
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  margin-top: 1rem;
}

.settings-title {
  font-weight: 600;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  text-transform: uppercase;
  color: #666;
}

.setting-item {
  margin-bottom: 0.75rem;
  padding: 0.75rem;
  background: #f9fafb;
  border-radius: 4px;
}

.setting-label {
  font-size: 0.85rem;
  color: #555;
  margin-bottom: 0.25rem;
}

.question-review {
  max-height: 300px;
  overflow-y: auto;
}

.review-item {
  padding: 0.5rem 0;
  font-size: 0.9rem;
  border-bottom: 1px solid #e0e4e8;
  cursor: pointer;
  color: #0066cc;
}

.review-item:hover {
  text-decoration: underline;
}

.status-indicator {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-right: 0.5rem;
}

.status-indicator.answered {
  background: #10b981;
}

.status-indicator.not-answered {
  background: #ef4444;
}

.status-indicator.marked {
  background: #f59e0b;
}

@media (max-width: 1024px) {
  .exam-content {
    flex-direction: column;
  }

  .sidebar-panel {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .exam-content {
    padding: 1rem;
  }

  .question-panel {
    padding: 1.5rem;
  }

  .answer-option {
    padding: 0.75rem;
  }
}