/* Interactive Question System - Styles for MCQ, MSQ, and Fill-in-blank questions */

.question-container {
  background: var(--bg-secondary);
  border: none;
  border-radius: 8px;
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  transition: all 0.3s ease;
}

.question-container.answered-correct {
  border-left-color: var(--neon-green);
  background: rgba(0, 255, 159, 0.05);
}

.question-container.answered-incorrect {
  border-left-color: #ff4444;
  background: rgba(255, 68, 68, 0.05);
}

.question-number {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  color: var(--neon-purple);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-sm);
}

.question-text {
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.question-options {
  margin: var(--spacing-md) 0;
}

.option {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  margin: var(--spacing-sm) 0;
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  user-select: none;
}

.option:hover {
  border-color: var(--neon-cyan);
  background: rgba(0, 243, 255, 0.05);
}

.option input[type="radio"],
.option input[type="checkbox"] {
  margin-right: var(--spacing-md);
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--neon-cyan);
}

.option span {
  color: var(--text-secondary);
  flex: 1;
}

.option.selected {
  border-color: var(--neon-cyan);
  background: rgba(0, 243, 255, 0.1);
}

.option.correct {
  border-color: var(--neon-green);
  background: rgba(0, 255, 159, 0.1);
}

.option.incorrect {
  border-color: #ff4444;
  background: rgba(255, 68, 68, 0.1);
}

.option.disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

/* Fill in the blank */
.fill-blank {
  font-family: var(--font-mono);
  background: var(--bg-code);
  border: 2px solid var(--border-color);
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
  color: var(--neon-cyan);
  font-size: 1rem;
  min-width: 100px;
  text-align: center;
  transition: all 0.3s ease;
}

.fill-blank:focus {
  outline: none;
  border-color: var(--neon-cyan);
  box-shadow: 0 0 10px rgba(0, 243, 255, 0.3);
}

.fill-blank.correct {
  border-color: var(--neon-green);
  background: rgba(0, 255, 159, 0.1);
}

.fill-blank.incorrect {
  border-color: #ff4444;
  background: rgba(255, 68, 68, 0.1);
}

/* Fill in the blank - Select/Dropdown */
.fill-blank-select {
  font-family: var(--font-mono);
  background: var(--bg-code);
  border: 2px solid var(--border-color);
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
  color: var(--neon-cyan);
  font-size: 1rem;
  min-width: 100px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
  /* Custom subtle bevel indicator */
  appearance: none;
  background-image:
    linear-gradient(135deg, transparent 0%, transparent 40%, rgba(0, 243, 255, 0.15) 40%, rgba(0, 243, 255, 0.15) 60%, transparent 60%),
    url('data:image/svg+xml;charset=UTF-8,<svg xmlns="http://www.w3.org/2000/svg" width="8" height="6" viewBox="0 0 8 6"><path fill="%2300f3ff" opacity="0.5" d="M4 6L0 0h8z"/></svg>');
  background-repeat: no-repeat, no-repeat;
  background-position: right 0.35rem center, right 0.4rem center;
  background-size: 12px 12px, 8px 6px;
  padding-right: 1.5rem;
}

.fill-blank-select:focus {
  outline: none;
  border-color: var(--neon-cyan);
  box-shadow: 0 0 10px rgba(0, 243, 255, 0.3);
}

.fill-blank-select:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

.fill-blank-select.correct {
  border-color: var(--neon-green);
  background: rgba(0, 255, 159, 0.1);
  background-image:
    linear-gradient(135deg, transparent 0%, transparent 40%, rgba(0, 255, 159, 0.15) 40%, rgba(0, 255, 159, 0.15) 60%, transparent 60%),
    url('data:image/svg+xml;charset=UTF-8,<svg xmlns="http://www.w3.org/2000/svg" width="8" height="6" viewBox="0 0 8 6"><path fill="%2300ff9f" opacity="0.5" d="M4 6L0 0h8z"/></svg>');
  background-repeat: no-repeat, no-repeat;
  background-position: right 0.35rem center, right 0.4rem center;
  background-size: 12px 12px, 8px 6px;
}

.fill-blank-select.incorrect {
  border-color: #ff4444;
  background: rgba(255, 68, 68, 0.1);
  background-image:
    linear-gradient(135deg, transparent 0%, transparent 40%, rgba(255, 68, 68, 0.15) 40%, rgba(255, 68, 68, 0.15) 60%, transparent 60%),
    url('data:image/svg+xml;charset=UTF-8,<svg xmlns="http://www.w3.org/2000/svg" width="8" height="6" viewBox="0 0 8 6"><path fill="%23ff4444" opacity="0.5" d="M4 6L0 0h8z"/></svg>');
  background-repeat: no-repeat, no-repeat;
  background-position: right 0.35rem center, right 0.4rem center;
  background-size: 12px 12px, 8px 6px;
}

/* Dropdown options styling */
.fill-blank-select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: 0.5rem;
}

/* Question Actions */
.question-actions {
  margin-top: var(--spacing-md);
  display: flex;
  gap: var(--spacing-sm);
}

.btn-verify,
.btn-try-again,
.btn-explain {
  font-family: var(--font-heading);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.btn-verify {
  border: 2px solid var(--neon-purple);
  background: transparent;
  color: var(--neon-purple);
}

.btn-verify:hover {
  background: var(--neon-purple);
  color: var(--bg-primary);
  box-shadow: 0 0 15px var(--neon-purple);
}

.btn-try-again {
  border: 2px solid var(--neon-cyan);
  background: transparent;
  color: var(--neon-cyan);
}

.btn-try-again:hover {
  background: var(--neon-cyan);
  color: var(--bg-primary);
  box-shadow: 0 0 15px var(--neon-cyan);
}

.btn-explain {
  border: 2px solid var(--neon-yellow);
  background: transparent;
  color: var(--neon-yellow);
}

.btn-explain:hover {
  background: var(--neon-yellow);
  color: var(--bg-primary);
  box-shadow: 0 0 15px var(--neon-yellow);
}

/* Question Feedback */
.question-feedback {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: 8px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.question-feedback.correct {
  background: rgba(0, 255, 159, 0.1);
  border: 2px solid var(--neon-green);
  color: var(--neon-green);
}

.question-feedback.incorrect {
  background: rgba(255, 68, 68, 0.1);
  border: 2px solid #ff4444;
  color: #ff4444;
}

.question-feedback::before {
  font-size: 1.5rem;
}

.question-feedback.correct::before {
  content: '✓';
}

.question-feedback.incorrect::before {
  content: '✗';
}

/* Question Explanation */
.question-explanation {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: rgba(255, 255, 0, 0.05);
  border: 1px solid rgba(255, 255, 0, 0.3);
  border-left: 4px solid var(--neon-yellow);
  border-radius: 0 8px 8px 0;
  animation: fadeIn 0.4s ease;
}

.question-explanation-title {
  font-weight: 600;
  color: var(--neon-yellow);
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.question-explanation-title::before {
  content: '💡';
  font-size: 1.25rem;
}

.question-explanation-text {
  color: var(--text-secondary);
  line-height: 1.6;
}