/* ===== 后台管理样式 ===== */

:root {
  --admin-primary: #c53030;
  --admin-bg: #f0f2f5;
  --admin-sidebar: #1a1a2e;
  --admin-card: #fff;
  --admin-text: #333;
  --admin-text-light: #888;
  --admin-border: #e8e8e8;
}

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

body {
  font-family: -apple-system, 'Microsoft YaHei', 'PingFang SC', sans-serif;
  background: var(--admin-bg);
  color: var(--admin-text);
}

/* 登录页 */
.admin-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a1a2e, #2d2d44);
}

.admin-login-box {
  background: #fff;
  border-radius: 12px;
  padding: 40px;
  width: 360px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.admin-login-box h2 {
  font-family: 'Noto Serif SC', serif;
  text-align: center;
  font-size: 24px;
  margin-bottom: 6px;
}

.admin-login-box .sub {
  text-align: center;
  color: #888;
  font-size: 14px;
  margin-bottom: 30px;
}

/* 管理后台布局 */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

.admin-sidebar {
  width: 220px;
  background: var(--admin-sidebar);
  color: rgba(255,255,255,0.7);
  position: fixed;
  top: 0; left: 0; bottom: 0;
  overflow-y: auto;
  z-index: 100;
}

.admin-sidebar-header {
  padding: 20px;
  text-align: center;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.admin-sidebar-header h3 {
  font-family: 'Noto Serif SC', serif;
  color: #d4a574;
  font-size: 18px;
}

.admin-sidebar-header p {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  margin-top: 4px;
}

.admin-menu {
  padding: 10px 0;
}

.admin-menu-item {
  padding: 12px 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  transition: all 0.2s;
  border-left: 3px solid transparent;
}

.admin-menu-item:hover {
  background: rgba(255,255,255,0.05);
  color: #fff;
}

.admin-menu-item.active {
  background: rgba(197, 48, 48, 0.2);
  color: #fff;
  border-left-color: var(--admin-primary);
}

.admin-menu-item .icon {
  font-size: 16px;
  width: 20px;
  text-align: center;
}

.admin-main {
  margin-left: 220px;
  flex: 1;
  padding: 24px;
  min-width: 0;
}

.admin-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.admin-topbar h2 {
  font-family: 'Noto Serif SC', serif;
  font-size: 22px;
}

.admin-topbar .actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

/* 卡片 */
.admin-card {
  background: #fff;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  margin-bottom: 20px;
}

.admin-card-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* 统计卡片 */
.stat-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: #fff;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  display: flex;
  align-items: center;
  gap: 16px;
}

.stat-card-icon {
  width: 50px; height: 50px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.stat-card-info .num {
  font-size: 24px;
  font-weight: 700;
  font-family: 'Noto Serif SC', serif;
}

.stat-card-info .label {
  font-size: 13px;
  color: #888;
}

/* 表格 */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.admin-table th {
  background: #fafafa;
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: #555;
  border-bottom: 2px solid var(--admin-border);
  white-space: nowrap;
}

.admin-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--admin-border);
}

.admin-table tr:hover td {
  background: #fafafa;
}

.admin-table img.thumb {
  width: 40px; height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.admin-table img.artwork-thumb {
  width: 60px; height: 45px;
  border-radius: 4px;
  object-fit: cover;
}

/* 按钮 */
.admin-btn {
  padding: 6px 14px;
  border: 1px solid var(--admin-border);
  border-radius: 4px;
  background: #fff;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.admin-btn:hover { border-color: var(--admin-primary); color: var(--admin-primary); }
.admin-btn-primary { background: var(--admin-primary); color: #fff; border-color: var(--admin-primary); }
.admin-btn-primary:hover { background: #e53e3e; color: #fff; }
.admin-btn-danger { color: var(--admin-primary); border-color: var(--admin-primary); }
.admin-btn-danger:hover { background: var(--admin-primary); color: #fff; }
.admin-btn-sm { padding: 4px 10px; font-size: 12px; }

/* 表单 */
.admin-form-group {
  margin-bottom: 16px;
}

.admin-form-label {
  display: block;
  font-size: 14px;
  margin-bottom: 6px;
  font-weight: 500;
}

.admin-form-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--admin-border);
  border-radius: 4px;
  font-size: 14px;
}

.admin-form-input:focus {
  outline: none;
  border-color: var(--admin-primary);
}

textarea.admin-form-input { min-height: 80px; resize: vertical; }

/* 标签 */
.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 12px;
}

.tag-success { background: #f0fff4; color: #38a169; border: 1px solid #c6f6d5; }
.tag-warning { background: #fffaf0; color: #dd6b20; border: 1px solid #feebc8; }
.tag-danger { background: #fff5f5; color: #c53030; border: 1px solid #fed7d7; }
.tag-info { background: #ebf8ff; color: #3182ce; border: 1px solid #bee3f8; }

/* 分页 */
.admin-pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}

/* 弹窗 */
.admin-modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.45);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
}

.admin-modal-overlay.show { display: flex; }

.admin-modal {
  background: #fff;
  border-radius: 8px;
  padding: 24px;
  width: 90%;
  max-width: 500px;
  max-height: 80vh;
  overflow-y: auto;
}

.admin-modal-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
}

/* Toast */
.admin-toast {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 12px 24px;
  background: #333;
  color: #fff;
  border-radius: 4px;
  font-size: 14px;
  z-index: 2000;
  opacity: 0;
  transition: all 0.3s;
  pointer-events: none;
}

.admin-toast.show { opacity: 1; }
.admin-toast.error { background: #c53030; }
.admin-toast.success { background: #38a169; }

/* 搜索栏 */
.admin-search-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  align-items: center;
}

.admin-search-bar input {
  padding: 8px 12px;
  border: 1px solid var(--admin-border);
  border-radius: 4px;
  font-size: 14px;
  width: 240px;
}

/* 礼物类型卡片 */
.gift-type-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  margin-bottom: 10px;
}

.gift-type-card .gt-icon {
  font-size: 32px;
  width: 48px;
  text-align: center;
}

.gift-type-card .gt-info {
  flex: 1;
}

.gift-type-card .gt-name {
  font-weight: 600;
  font-size: 15px;
}

.gift-type-card .gt-meta {
  font-size: 12px;
  color: #888;
}

/* 排序控制 */
.rank-control {
  display: flex;
  align-items: center;
  gap: 8px;
}

.rank-control input {
  width: 60px;
  padding: 4px 8px;
  border: 1px solid var(--admin-border);
  border-radius: 4px;
  text-align: center;
}

/* 设置页 */
.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.settings-section {
  background: #fff;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.settings-section h3 {
  font-size: 16px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--admin-border);
}

/* 响应式 */
@media (max-width: 768px) {
  .admin-sidebar { width: 60px; }
  .admin-sidebar-header h3, .admin-sidebar-header p { display: none; }
  .admin-menu-item span:not(.icon) { display: none; }
  .admin-main { margin-left: 60px; padding: 16px; }
  .stat-cards { grid-template-columns: repeat(2, 1fr); }
  .settings-grid { grid-template-columns: 1fr; }
  .admin-table { font-size: 12px; }
  .admin-table th, .admin-table td { padding: 8px; }
}