/**
 * 公告弹窗样式
 * 包含弹窗组件、动画效果和响应式设计
 */

/* ============================================
   公告弹窗遮罩层
   ============================================ */
.announcement-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.announcement-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ============================================
   公告弹窗容器
   ============================================ */
.announcement-popup-container {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  max-width: 90vw;
  width: 500px;
}

.announcement-popup-container.active {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

/* ============================================
   公告弹窗主体
   ============================================ */
.announcement-popup {
  background: var(--bg-pure);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl), 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  overflow: hidden;
  border: 1px solid var(--border-light);
  animation: popupSlideIn 0.4s ease;
}

@keyframes popupSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 不同类型公告的样式 */
.announcement-popup.info {
  border-top: 4px solid #3b82f6;
}

.announcement-popup.warning {
  border-top: 4px solid #f59e0b;
}

.announcement-popup.success {
  border-top: 4px solid #10b981;
}

.announcement-popup.error {
  border-top: 4px solid #ef4444;
}

/* ============================================
   弹窗头部
   ============================================ */
.announcement-popup-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-light);
  background: linear-gradient(135deg, var(--warm-50), var(--bg-pure));
}

.announcement-popup-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  background: var(--bg-pure);
  box-shadow: var(--shadow-sm);
}

.announcement-popup-title {
  flex: 1;
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin: 0;
  line-height: 1.4;
}

.announcement-popup-close {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  transition: all var(--transition-fast);
}

.announcement-popup-close:hover {
  background: var(--warm-100);
  color: var(--text-primary);
}

/* ============================================
   弹窗内容区
   ============================================ */
.announcement-popup-content {
  padding: var(--space-6);
  max-height: 400px;
  overflow-y: auto;
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.announcement-popup-content p {
  margin-bottom: var(--space-3);
}

.announcement-popup-content ul,
.announcement-popup-content ol {
  margin: var(--space-3) 0;
  padding-left: var(--space-5);
}

.announcement-popup-content li {
  margin-bottom: var(--space-2);
}

.announcement-popup-content a {
  color: var(--primary-500);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

.announcement-popup-content a:hover {
  border-bottom-color: var(--primary-500);
}

/* 自定义滚动条 */
.announcement-popup-content::-webkit-scrollbar {
  width: 6px;
}

.announcement-popup-content::-webkit-scrollbar-track {
  background: var(--warm-100);
  border-radius: var(--radius-sm);
}

.announcement-popup-content::-webkit-scrollbar-thumb {
  background: var(--warm-300);
  border-radius: var(--radius-sm);
}

.announcement-popup-content::-webkit-scrollbar-thumb:hover {
  background: var(--warm-400);
}

/* ============================================
   弹窗底部
   ============================================ */
.announcement-popup-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-light);
  background: var(--warm-50);
}

.announcement-popup-progress {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  font-weight: var(--font-medium);
}

.announcement-popup-actions {
  display: flex;
  gap: var(--space-3);
}

/* ============================================
   弹窗按钮
   ============================================ */
.announcement-btn {
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  outline: none;
}

.announcement-btn-primary {
  background: linear-gradient(135deg, var(--primary-400), var(--primary-500));
  color: white;
  box-shadow: 0 2px 8px rgba(245, 194, 140, 0.4);
}

.announcement-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(245, 194, 140, 0.5);
}

.announcement-btn-secondary {
  background: var(--bg-pure);
  color: var(--text-secondary);
  border: 1px solid var(--border-medium);
}

.announcement-btn-secondary:hover {
  background: var(--warm-100);
  color: var(--text-primary);
}

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 640px) {
  .announcement-popup-container {
    width: calc(100vw - 32px);
    max-width: calc(100vw - 32px);
  }
  
  .announcement-popup {
    border-radius: var(--radius-xl);
  }
  
  .announcement-popup-header {
    padding: var(--space-4);
  }
  
  .announcement-popup-content {
    padding: var(--space-4);
    max-height: 60vh;
  }
  
  .announcement-popup-footer {
    padding: var(--space-3) var(--space-4);
    flex-direction: column;
    gap: var(--space-3);
  }
  
  .announcement-popup-actions {
    width: 100%;
    justify-content: stretch;
  }
  
  .announcement-btn {
    flex: 1;
    text-align: center;
  }
}

/* ============================================
   后台管理页面样式
   ============================================ */

/* 统计卡片 */
.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

@media (max-width: 768px) {
  .admin-stats-grid {
    grid-template-columns: 1fr;
  }
}

.admin-stat-card {
  background: var(--bg-pure);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.admin-stat-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.admin-stat-content {
  flex: 1;
}

.admin-stat-value {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  line-height: 1;
}

.admin-stat-label {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin-top: var(--space-1);
}

/* 搜索栏 */
.admin-search-bar {
  margin-bottom: var(--space-6);
}

.admin-search-form {
  display: flex;
  gap: var(--space-3);
}

.admin-search-input {
  flex: 1;
  max-width: 400px;
}

/* 表格样式增强 */
.announcement-title-cell {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.announcement-title-text {
  font-weight: var(--font-medium);
}

.badge-popup {
  background: linear-gradient(135deg, #8b5cf6, #7c3aed);
  color: white;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.badge-info {
  background: #dbeafe;
  color: #1e40af;
}

.badge-warning {
  background: #fef3c7;
  color: #92400e;
}

.badge-success {
  background: #d1fae5;
  color: #065f46;
}

.badge-error {
  background: #fee2e2;
  color: #991b1b;
}

.stat-number {
  font-family: monospace;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* 开关样式 */
.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--gray-300);
  transition: .3s;
  border-radius: 24px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

input:checked + .slider {
  background-color: var(--primary-500);
}

input:checked + .slider:before {
  transform: translateX(20px);
}

/* 操作按钮 */
.action-buttons {
  display: flex;
  gap: var(--space-2);
}

.btn-icon {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  background: var(--warm-100);
  transform: scale(1.1);
}

.btn-icon.btn-danger:hover {
  background: #fee2e2;
}

/* 统计弹窗内容 */
.stats-content {
  padding: var(--space-6);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.stat-item {
  text-align: center;
  padding: var(--space-4);
  background: var(--warm-50);
  border-radius: var(--radius-lg);
}

.stat-value {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin-top: var(--space-1);
}

.stats-conversion {
  margin-top: var(--space-4);
}

.conversion-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.conversion-bar {
  height: 8px;
  background: var(--warm-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.conversion-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-400), var(--primary-500));
  border-radius: var(--radius-full);
  transition: width 0.5s ease;
}

.conversion-value {
  text-align: center;
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--primary-500);
  margin-top: var(--space-2);
}

/* 表单样式增强 */
.form-row {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.form-row .form-group {
  flex: 1;
  margin-bottom: 0;
}

.checkbox-group {
  display: flex;
  align-items: center;
  height: 42px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary-500);
}

.form-help {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin-top: var(--space-1);
}

/* 模态框样式增强 */
.modal-content {
  max-height: 90vh;
  overflow-y: auto;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-light);
  background: var(--warm-50);
}

/* 响应式调整 */
@media (max-width: 768px) {
  .form-row {
    flex-direction: column;
    gap: var(--space-3);
  }
  
  .admin-search-form {
    flex-direction: column;
  }
  
  .admin-search-input {
    max-width: none;
  }
  
  .modal-footer {
    flex-direction: column-reverse;
  }
  
  .modal-footer .admin-btn {
    width: 100%;
    justify-content: center;
  }
}