/* ============================================
   法规雷达 - 组件样式 (Component Styles)
   ============================================ */

/* ===== Hero Section ===== */
.hero {
  background: linear-gradient(180deg, var(--morandi-bg-card) 0%, var(--morandi-bg-primary) 100%);
  padding: var(--spacing-2xl) 0;
  text-align: center;
  border-bottom: 1px solid var(--morandi-border-light);
}

.hero-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--morandi-text-primary);
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--morandi-text-secondary);
  max-width: 560px;
  margin: 0 auto var(--spacing-xl);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .hero-title { font-size: 28px; }
  .hero-subtitle { font-size: 16px; }
}

/* ===== Chatbot Section ===== */
.chatbot-section {
  padding: var(--spacing-xl) 0;
}

.chatbot-container {
  max-width: 800px;
  margin: 0 auto;
}

.chatbot-card {
  background: var(--morandi-bg-card);
  border: 1px solid var(--morandi-border);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.chatbot-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  background: linear-gradient(135deg, var(--morandi-accent-blue), var(--morandi-accent-green));
  color: white;
}

.chatbot-header-icon {
  width: 32px;
  height: 32px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.chatbot-header-title {
  font-size: 15px;
  font-weight: 600;
}

.chatbot-header-subtitle {
  font-size: 12px;
  opacity: 0.9;
}

.chatbot-body {
  height: 400px;
  display: flex;
  flex-direction: column;
}

.chatbot-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.chatbot-welcome {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-lg);
  color: var(--morandi-text-muted);
}

.chatbot-welcome-icon {
  font-size: 40px;
  margin-bottom: var(--spacing-md);
  opacity: 0.6;
}

.chatbot-welcome-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--morandi-text-primary);
  margin-bottom: var(--spacing-xs);
}

.chatbot-welcome-desc {
  font-size: 14px;
  line-height: 1.7;
  max-width: 400px;
  margin: 0 auto;
}

.chatbot-quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-top: var(--spacing-lg);
}

.chatbot-quick-btn {
  background: var(--morandi-bg-primary);
  border: 1px solid var(--morandi-border);
  color: var(--morandi-text-secondary);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition-fast);
  font-family: inherit;
}

.chatbot-quick-btn:hover {
  background: var(--morandi-bg-secondary);
  border-color: var(--morandi-accent-blue-light);
  color: var(--morandi-text-primary);
}

.chatbot-input-area {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--morandi-border);
  background: var(--morandi-bg-primary);
}

.chatbot-input-wrapper {
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-end;
  background: var(--morandi-bg-card);
  border: 1px solid var(--morandi-border);
  border-radius: var(--border-radius);
  padding: 4px;
}

.chatbot-input-wrapper:focus-within {
  border-color: var(--morandi-accent-blue-light);
  box-shadow: 0 0 0 3px rgba(138, 155, 168, 0.1);
}

.chatbot-textarea {
  flex: 1;
  border: none;
  background: transparent;
  padding: 10px 12px;
  font-family: inherit;
  font-size: 15px;
  color: var(--morandi-text-primary);
  resize: none;
  outline: none;
  max-height: 120px;
  min-height: 40px;
}

.chatbot-textarea::placeholder {
  color: var(--morandi-text-muted);
}

.chatbot-send-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-sm);
  border: none;
  background: var(--morandi-accent-blue);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  margin: 2px;
}

.chatbot-send-btn:hover:not(:disabled) {
  background: var(--morandi-accent-blue-dark);
}

.chatbot-send-btn:disabled {
  background: var(--morandi-border);
  cursor: not-allowed;
}

/* Chat Messages */
.chat-message {
  display: flex;
  gap: var(--spacing-sm);
  max-width: 90%;
  animation: fadeIn 0.3s ease-out;
}

.chat-message-user {
  align-self: flex-end;
  flex-direction: row-reverse;
  margin-left: auto;
}

.chat-message-ai {
  align-self: flex-start;
}

.chat-message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.chat-message-user .chat-message-avatar {
  background: var(--morandi-accent-blue-light);
}

.chat-message-ai .chat-message-avatar {
  background: var(--morandi-accent-green-light);
}

.chat-message-content {
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 14px;
  line-height: 1.6;
  max-width: calc(100% - 44px);
  word-wrap: break-word;
}

.chat-message-user .chat-message-content {
  background: var(--morandi-accent-blue-light);
  color: var(--morandi-text-primary);
  border-bottom-right-radius: 4px;
}

.chat-message-ai .chat-message-content {
  background: var(--morandi-bg-secondary);
  color: var(--morandi-text-primary);
  border-bottom-left-radius: 4px;
  border: 1px solid var(--morandi-border-light);
}

.chat-message-time {
  font-size: 11px;
  color: var(--morandi-text-muted);
  margin-top: 2px;
  text-align: right;
}

.chat-message-ai .chat-message-time {
  text-align: left;
}

/* Typing Indicator */
.typing-indicator {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 0;
}

.typing-dot {
  width: 6px;
  height: 6px;
  background: var(--morandi-text-muted);
  border-radius: 50%;
  animation: typingBounce 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(1) { animation-delay: 0s; }
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-4px); }
}

/* ===== Announcement Section ===== */
.announcement-section {
  padding: var(--spacing-xl) 0;
  background: linear-gradient(180deg, var(--morandi-bg-primary) 0%, var(--morandi-bg-secondary) 100%);
  border-top: 1px solid var(--morandi-border);
}

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

.announcement-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 18px;
  font-weight: 600;
  color: var(--morandi-text-primary);
}

.announcement-title-icon {
  color: var(--morandi-accent-green);
  font-size: 20px;
}

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

.announcement-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--morandi-bg-card);
  border-radius: var(--border-radius-sm);
  border-left: 3px solid var(--morandi-accent-blue);
  transition: var(--transition-fast);
  cursor: pointer;
}

.announcement-item:hover {
  box-shadow: var(--shadow-sm);
  border-left-color: var(--morandi-accent-green);
}

.announcement-item.important {
  border-left-color: var(--morandi-accent-green);
}

.announcement-dot {
  width: 6px;
  height: 6px;
  background: var(--morandi-accent-blue);
  border-radius: 50%;
  margin-top: 8px;
  flex-shrink: 0;
}

.announcement-item.important .announcement-dot {
  background: var(--morandi-accent-green);
}

.announcement-content {
  flex: 1;
}

.announcement-text {
  font-size: 14px;
  color: var(--morandi-text-primary);
  line-height: 1.6;
}

.announcement-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xs);
  font-size: 12px;
  color: var(--morandi-text-muted);
}

/* ===== CTA Section ===== */
.cta-section {
  padding: var(--spacing-2xl) 0;
  text-align: center;
  background: var(--morandi-bg-card);
  border-top: 1px solid var(--morandi-border);
}

.cta-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--morandi-text-primary);
  margin-bottom: var(--spacing-sm);
}

.cta-desc {
  font-size: 15px;
  color: var(--morandi-text-secondary);
  margin-bottom: var(--spacing-xl);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== Regulation Cards ===== */
.regulation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-lg);
}

.regulation-card {
  background: var(--morandi-bg-card);
  border: 1px solid var(--morandi-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  transition: var(--transition-normal);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.regulation-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--morandi-accent-blue-light);
  transform: translateY(-2px);
}

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

.regulation-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--morandi-text-primary);
  line-height: 1.5;
  margin-bottom: var(--spacing-xs);
}

.regulation-card-summary {
  font-size: 13px;
  color: var(--morandi-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
  flex: 1;
}

.regulation-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--morandi-border-light);
}

.regulation-card-date {
  font-size: 12px;
  color: var(--morandi-text-muted);
}

/* ===== Search Bar ===== */
.search-bar {
  display: flex;
  gap: var(--spacing-sm);
  max-width: 640px;
  margin: 0 auto var(--spacing-xl);
}

.search-input-wrapper {
  flex: 1;
  position: relative;
}

.search-input {
  width: 100%;
  padding: 12px 16px 12px 44px;
  border: 1px solid var(--morandi-border);
  border-radius: var(--border-radius);
  font-family: inherit;
  font-size: 15px;
  background: var(--morandi-bg-card);
  color: var(--morandi-text-primary);
  transition: var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--morandi-accent-blue-light);
  box-shadow: 0 0 0 3px rgba(138, 155, 168, 0.1);
}

.search-input::placeholder {
  color: var(--morandi-text-muted);
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--morandi-text-muted);
  font-size: 16px;
}

/* ===== Filter Tabs ===== */
.filter-tabs {
  display: flex;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.filter-tab {
  padding: 8px 16px;
  border-radius: 20px;
  border: 1px solid var(--morandi-border);
  background: var(--morandi-bg-card);
  color: var(--morandi-text-secondary);
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-tab:hover {
  border-color: var(--morandi-accent-blue-light);
  color: var(--morandi-text-primary);
}

.filter-tab.active {
  background: var(--morandi-accent-blue);
  color: white;
  border-color: var(--morandi-accent-blue);
}

/* ===== Detail Page ===== */
.detail-header {
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  border-bottom: 1px solid var(--morandi-border);
  margin-bottom: var(--spacing-lg);
}

.detail-breadcrumb {
  font-size: 13px;
  color: var(--morandi-text-muted);
  margin-bottom: var(--spacing-sm);
}

.detail-breadcrumb a {
  color: var(--morandi-accent-blue-dark);
}

.detail-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--morandi-text-primary);
  margin-bottom: var(--spacing-sm);
}

.detail-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.detail-section {
  margin-bottom: var(--spacing-xl);
}

.detail-section-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 18px;
  font-weight: 600;
  color: var(--morandi-text-primary);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--morandi-border-light);
}

.detail-section-content {
  font-size: 15px;
  line-height: 1.8;
  color: var(--morandi-text-secondary);
}

.detail-section-content ul,
.detail-section-content ol {
  padding-left: 1.8em;
  margin: var(--spacing-sm) 0;
}

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

/* ===== Checklist ===== */
.checklist {
  list-style: none;
  padding: 0;
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--morandi-border-light);
}

.checklist-item:last-child {
  border-bottom: none;
}

.checklist-checkbox {
  width: 20px;
  height: 20px;
  border: 2px solid var(--morandi-border);
  border-radius: 4px;
  margin-top: 2px;
  flex-shrink: 0;
  cursor: pointer;
  transition: var(--transition-fast);
}

.checklist-checkbox:hover {
  border-color: var(--morandi-accent-blue);
}

.checklist-checkbox.checked {
  background: var(--morandi-accent-green);
  border-color: var(--morandi-accent-green);
}

.checklist-text {
  font-size: 14px;
  color: var(--morandi-text-secondary);
  line-height: 1.6;
}

/* ===== Toast ===== */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toast {
  background: var(--morandi-bg-card);
  border: 1px solid var(--morandi-border);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  animation: fadeIn 0.3s ease-out;
  max-width: 320px;
}

.toast-success { border-left: 3px solid var(--morandi-accent-green); }
.toast-error { border-left: 3px solid #C98B8B; }
.toast-info { border-left: 3px solid var(--morandi-accent-blue); }

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(74, 74, 74, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1500;
  padding: var(--spacing-lg);
  animation: fadeIn 0.2s ease-out;
}

.modal-content {
  background: var(--morandi-bg-card);
  border-radius: var(--border-radius);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  animation: fadeInUp 0.25s ease-out;
}

.modal-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--morandi-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--morandi-text-primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--morandi-text-muted);
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: var(--transition-fast);
}

.modal-close:hover {
  background: var(--morandi-bg-secondary);
  color: var(--morandi-text-primary);
}

.modal-body {
  padding: var(--spacing-lg);
  overflow-y: auto;
  max-height: 60vh;
}

.modal-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--morandi-border);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
}

/* ===== Coze Embed Placeholder ===== */
.coze-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: var(--spacing-xl);
  color: var(--morandi-text-muted);
  text-align: center;
}

.coze-placeholder-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
  opacity: 0.5;
}

.coze-placeholder-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--morandi-text-secondary);
  margin-bottom: var(--spacing-xs);
}

.coze-placeholder-desc {
  font-size: 13px;
  max-width: 320px;
}