/* admin/admin.css — 管理后台全局样式：高端企业级设计 v2.0 */
:root {
  --primary: #0a66c2;
  --primary-dark: #084d94;
  --primary-light: #e8f0fe;
  --accent: #07C160;
  --accent-dark: #059a4f;
  --bg: #f0f2f5;
  --bg-dark: #1a1a2e;
  --card-bg: #ffffff;
  --text: #1a1a2e;
  --text-secondary: #5a6270;
  --text-muted: #9ca3af;
  --border: #e5e7eb;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.12);
  --glass-bg: rgba(255,255,255,0.85);
  --glass-border: rgba(255,255,255,0.3);
  --gradient-primary: linear-gradient(135deg, #0a66c2 0%, #1e88e5 100%);
  --gradient-accent: linear-gradient(135deg, #07C160 0%, #00e676 100%);
  --gradient-warm: linear-gradient(135deg, #ff6b35 0%, #ff8a65 100%);
  --gradient-purple: linear-gradient(135deg, #7c3aed 0%, #a78bfa 100%);
  --gradient-teal: linear-gradient(135deg, #0d9488 0%, #2dd4bf 100%);
  --gradient-blue: linear-gradient(135deg, #2563eb 0%, #60a5fa 100%);
  --gradient-slate: linear-gradient(135deg, #475569 0%, #94a3b8 100%);
  --gradient-card-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-card-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-card-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-card-4: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
  --gradient-card-5: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
  --gradient-card-6: linear-gradient(135deg, #a18cd1 0%, #fbc2eb 100%);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

/* ─── 卡片 ─── */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 20px;
  transition: box-shadow 0.3s ease, transform 0.2s ease;
  border: 1px solid rgba(255,255,255,0.8);
  backdrop-filter: blur(10px);
}
.card:hover {
  box-shadow: var(--shadow-lg);
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.card-header h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.02em;
}
.card-title {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.card-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
}
.card-value.green { color: var(--accent); }

/* ─── 高端渐变统计卡片 ─── */
.glass-card {
  background: var(--card-bg);
  border-radius: 14px;
  padding: 20px 16px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(255,255,255,0.3);
  cursor: default;
}
.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: 3px 3px 0 0;
}
.glass-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}
.glass-card .stat-icon {
  font-size: 20px;
  margin-bottom: 8px;
  display: inline-block;
  opacity: 0.9;
}
.glass-card .stat-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-weight: 500;
  letter-spacing: 0.03em;
}
.glass-card .stat-value {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

/* 各卡片颜色主题 */
.glass-card.card-blue::before { background: var(--gradient-blue); }
.glass-card.card-blue .stat-value { color: #2563eb; }
.glass-card.card-green::before { background: var(--gradient-accent); }
.glass-card.card-green .stat-value { color: var(--accent); }
.glass-card.card-orange::before { background: var(--gradient-warm); }
.glass-card.card-orange .stat-value { color: #e65100; }
.glass-card.card-purple::before { background: var(--gradient-purple); }
.glass-card.card-purple .stat-value { color: #7c3aed; }
.glass-card.card-teal::before { background: var(--gradient-teal); }
.glass-card.card-teal .stat-value { color: #0d9488; }
.glass-card.card-slate::before { background: var(--gradient-slate); }
.glass-card.card-slate .stat-value { color: #475569; }

/* ─── 按钮 ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-decoration: none;
  letter-spacing: 0.01em;
}
.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(10,102,194,0.25);
}
.btn-primary:hover { box-shadow: 0 4px 16px rgba(10,102,194,0.35); transform: translateY(-1px); }
.btn-success {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: 0 2px 8px rgba(7,193,96,0.25);
}
.btn-success:hover { box-shadow: 0 4px 16px rgba(7,193,96,0.35); transform: translateY(-1px); }
.btn-secondary {
  background: #f3f4f6;
  color: #555;
}
.btn-secondary:hover { background: #e5e7eb; }
.btn-danger {
  background: linear-gradient(135deg, #dc2626, #ef4444);
  color: #fff;
}
.btn-sm {
  padding: 5px 14px;
  font-size: 12px;
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ─── 表格 ─── */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
table th {
  text-align: left;
  padding: 12px 14px;
  font-weight: 600;
  color: var(--text-secondary);
  background: #f8f9fa;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
table td {
  padding: 11px 14px;
  border-bottom: 1px solid #f0f0f0;
  color: var(--text);
}
table tr:hover td {
  background: #f8fafc;
}
table .actions {
  display: flex;
  gap: 6px;
  white-space: nowrap;
}

/* ─── 搜索框 ─── */
.search-box {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.search-box input {
  flex: 1;
  min-width: 200px;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  outline: none;
  transition: all 0.2s;
  background: #f9fafb;
}
.search-box input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(10,102,194,0.1);
  background: #fff;
}
.search-box select {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  outline: none;
  background: #f9fafb;
  color: var(--text);
}

/* ─── 进度条 ─── */
.progress-bar {
  height: 6px;
  background: #f0f0f0;
  border-radius: 3px;
  overflow: hidden;
}
.progress-bar .fill {
  height: 100%;
  border-radius: 3px;
  background: var(--gradient-accent);
  transition: width 0.4s ease;
}
.progress-bar.large {
  height: 10px;
  border-radius: 5px;
}
.progress-bar.large .fill { border-radius: 5px; }

/* ─── 标签 (tag pills) ─── */
.tag {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  background: var(--primary-light);
  color: var(--primary);
  margin: 2px;
  white-space: nowrap;
}
.tag.green {
  background: #e8f5e9;
  color: var(--accent);
}
.tag.orange {
  background: #fff3e0;
  color: #e65100;
}

/* ─── 弹窗 ─── */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  z-index: 2000;
  justify-content: center;
  align-items: center;
  padding: 20px;
}
.modal-overlay.active { display: flex; }
.modal-box {
  background: #fff;
  border-radius: 16px;
  padding: 28px;
  width: 100%;
  max-width: 480px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 16px 48px rgba(0,0,0,0.15);
  animation: modalIn 0.25s ease;
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(12px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.modal-box h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text);
}
.modal-box .form-group {
  margin-bottom: 16px;
}
.modal-box .form-group label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 4px;
  font-weight: 500;
}
.modal-box .form-group input,
.modal-box .form-group select,
.modal-box .form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  outline: none;
  font-family: inherit;
  background: #f9fafb;
  transition: all 0.2s;
}
.modal-box .form-group input:focus,
.modal-box .form-group select:focus,
.modal-box .form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(10,102,194,0.1);
  background: #fff;
}
.modal-box .modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 20px;
}

/* ─── 空状态 ─── */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}
.empty-state .icon {
  font-size: 48px;
  margin-bottom: 12px;
  opacity: 0.5;
}
.empty-state p { font-size: 14px; }

/* ─── 分页 ─── */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  flex-wrap: wrap;
}
.pagination button {
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
}
.pagination button:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
}
.pagination button.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.pagination .page-info {
  font-size: 13px;
  color: var(--text-muted);
}

/* ─── Toast ─── */

/* ─── 排行榜 ─── */
.leaderboard-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  background: #fff;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  transition: background 0.15s;
}
.leaderboard-card:hover { background: #f8fafc; }
.leaderboard-card .rank {
  font-size: 18px;
  font-weight: 700;
  width: 32px;
  text-align: center;
  color: var(--text-muted);
}
.leaderboard-card .rank.gold { color: #f59e0b; }
.leaderboard-card .rank.silver { color: #94a3b8; }
.leaderboard-card .rank.bronze { color: #cd7f32; }
.leaderboard-card .avatar-dot {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  flex-shrink: 0;
}
.leaderboard-card .info {
  flex: 1;
  min-width: 0;
}
.leaderboard-card .info .name {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
}
.leaderboard-card .info .detail {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}
.leaderboard-card .points {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
}

/* ─── Tab ─── */
.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0;
}
.tabs .tab {
  padding: 8px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}
.tabs .tab:hover { color: var(--primary); }
.tabs .tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}

/* ─── 标签云 ─── */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 0;
}
.tag-cloud .tag-item {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  background: var(--primary-light);
  color: var(--primary);
  margin: 2px;
  white-space: nowrap;
  transition: all 0.15s;
}
.tag-cloud .tag-item:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-1px);
}

/* ─── 美化滚动条 ─── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #d1d5db;
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: #9ca3af;
}