/* FAQ 專屬樣式 */

/* ==================== FAQ 概覽 (Overview) ==================== */

.faq-overview {
  padding: var(--spacing-lg) 0;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.section-header h2 {
  margin: 0;
  font-size: 1.75rem;
  color: var(--color-text);
}

.link-more {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-base);
}

.link-more:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* ==================== 分類過濾器 (Category Filters) ==================== */

.category-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--color-background);
  border-radius: var(--border-radius);
}

.category-badge {
  padding: var(--spacing-xs) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background: white;
  color: var(--color-text);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-base);
}

.category-badge:hover {
  background: var(--color-background);
  border-color: var(--color-primary);
}

.category-badge.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* 分類特定顏色 */
.category-badge.簽約 { border-color: #3b82f6; }
.category-badge.費用 { border-color: #10b981; }
.category-badge.法規 { border-color: #f59e0b; }
.category-badge.權利義務 { border-color: #ef4444; }
.category-badge.其他 { border-color: var(--color-border); }

/* ==================== FAQ 列表 (FAQ List) ==================== */

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

/* ==================== FAQ 卡片 (FAQ Card) ==================== */

.faq-card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

.faq-card:hover {
  box-shadow: var(--shadow-md);
}

.faq-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.view-count {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.faq-question {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin: var(--spacing-sm) 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color var(--transition-base);
}

.faq-question:hover {
  color: var(--color-primary);
}

.toggle-icon {
  font-size: 0.875rem;
  color: var(--color-primary);
  margin-left: var(--spacing-sm);
  transition: transform var(--transition-base);
}

/* ==================== FAQ 答案 (FAQ Answer) ==================== */

.faq-answer {
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  animation: fadeIn 0.3s ease-in-out;
}

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

.answer-content {
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
  color: var(--color-text);
}

.answer-content strong {
  color: var(--color-text);
  font-weight: 600;
}

.answer-content ul,
.answer-content ol {
  margin: var(--spacing-sm) 0;
  padding-left: var(--spacing-lg);
}

.answer-content li {
  margin: var(--spacing-xs) 0;
}

/* ==================== FAQ 標籤 (FAQ Tags) ==================== */

.faq-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

.tag {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  background: var(--color-background);
  color: var(--color-primary);
  font-size: 0.75rem;
  border-radius: var(--border-radius);
}

/* ==================== FAQ 元資訊 (Meta) ==================== */

.faq-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-sm);
}

.meta-item::before {
  content: '•';
  margin-right: 0.25rem;
}

.meta-item:first-child::before {
  display: none;
}

/* ==================== 問題提交提示 (Submission Prompt) ==================== */

.submit-question-prompt {
  margin-top: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--color-background);
  border-radius: var(--border-radius);
  text-align: center;
}

.submit-question-prompt p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-muted);
}

/* ==================== 問題提交表單 (Submission Form) ==================== */

.submission-form-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  animation: fadeIn 0.3s ease-in-out;
}

.submission-form-container {
  background: white;
  border-radius: var(--border-radius);
  padding: var(--spacing-xl);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.close-button {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color var(--transition-base);
}

.close-button:hover {
  color: var(--color-text);
}

.form-description {
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.required {
  color: var(--color-error);
}

.form-hint {
  display: block;
  margin-top: 0.25rem;
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

/* ==================== 響應式設計 (Responsive) ==================== */

/* 平板 (Tablet) */
@media (min-width: 768px) {
  .faq-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
  
  .category-filters {
    justify-content: center;
  }
}

/* 桌面 (Desktop) */
@media (min-width: 1024px) {
  .faq-overview {
    padding: var(--spacing-xl) 0;
  }
  
  .submission-form-container {
    max-width: 700px;
  }
}

/* ==================== 列印樣式 (Print) ==================== */

@media print {
  .category-filters,
  .submit-question-prompt,
  .submission-form-overlay,
  .toggle-icon {
    display: none;
  }
  
  .faq-answer {
    display: block !important;
  }
  
  .faq-card {
    page-break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
  }
}