/* hliang.site 后台管理样式 */
:root {
  --sidebar-w: 220px;
  --bg: #f1f5f9;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --accent: #2563eb;
  --border: #e2e8f0;
  --radius: 10px;
  --danger: #dc2626;
  --ok: #059669;
  --warn: #d97706;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg); color: var(--text); font-size: 15px; line-height: 1.6;
}
a { color: var(--accent); text-decoration: none; }

/* 布局 */
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: var(--sidebar-w); background: #0f172a; color: #cbd5e1;
  display: flex; flex-direction: column; position: fixed; top: 0; bottom: 0; left: 0; z-index: 10;
}
.admin-brand { padding: 20px 24px; font-size: 18px; font-weight: 800; color: #fff; border-bottom: 1px solid #1e293b; }
.admin-brand span { color: var(--accent); font-size: 14px; font-weight: 600; }
.admin-nav { flex: 1; padding: 16px 0; display: flex; flex-direction: column; gap: 2px; }
.admin-nav a { padding: 10px 24px; color: #94a3b8; font-size: 14px; font-weight: 500; transition: all .12s; }
.admin-nav a:hover { color: #fff; background: #1e293b; }
.admin-nav a.active { color: #fff; background: var(--accent); }
.admin-sidebar-bottom { padding: 16px 0; border-top: 1px solid #1e293b; display: flex; flex-direction: column; gap: 2px; }
.admin-sidebar-bottom a { padding: 10px 24px; color: #94a3b8; font-size: 14px; }
.admin-sidebar-bottom a:hover { color: #fff; background: #1e293b; }
.admin-main { flex: 1; margin-left: var(--sidebar-w); padding: 32px 40px; }

/* 页头 */
.admin-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px; }
.admin-header h1 { font-size: 26px; font-weight: 800; }
.admin-header p { color: var(--muted); font-size: 14px; }

/* 统计卡片 */
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 32px; }
.stat-cards .stat-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; text-align: center; }
.stat-cards .stat-num { font-size: 36px; font-weight: 800; color: var(--accent); }
.stat-cards .stat-label { color: var(--muted); font-size: 14px; margin-top: 4px; }

/* 表格 */
.table { width: 100%; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); border-collapse: collapse; overflow: hidden; }
.table th, .table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px; }
.table th { background: #f8fafc; font-weight: 600; color: var(--muted); }
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: #f8fafc; }
.td-truncate { max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* 徽章 */
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge-ok { background: #ecfdf5; color: var(--ok); }
.badge-warn { background: #fffbeb; color: var(--warn); }
.badge-danger { background: #fef2f2; color: var(--danger); }

/* 按钮 */
.btn { display: inline-block; padding: 9px 20px; border-radius: 8px; font-size: 14px; font-weight: 600; cursor: pointer; border: 1px solid transparent; font-family: inherit; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #1d4ed8; }
.btn-ghost { background: #fff; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-block { width: 100%; }
.btn-sm { display: inline-block; padding: 4px 10px; border-radius: 6px; font-size: 13px; cursor: pointer; border: 1px solid var(--border); background: #fff; color: var(--text); margin-right: 4px; text-decoration: none; }
.btn-sm:hover { border-color: var(--accent); color: var(--accent); }
.btn-ok { color: var(--ok); border-color: #a7f3d0; background: #ecfdf5; }
.btn-ok:hover { background: #d1fae5; }
.btn-warn { color: var(--warn); border-color: #fde68a; background: #fffbeb; }
.btn-warn:hover { background: #fef3c7; }
.btn-danger { color: var(--danger); border-color: #fecaca; background: #fef2f2; }
.btn-danger:hover { background: #fee2e2; }

/* 表单 */
.form-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; max-width: 900px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--muted); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
input, textarea {
  width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 15px; font-family: inherit; background: #fff; transition: border-color .15s;
}
input:focus, textarea:focus { outline: none; border-color: var(--accent); }
textarea { resize: vertical; }
.code-area { font-family: "SF Mono", Consolas, monospace; font-size: 13px; line-height: 1.5; }
.checkbox-label { display: flex; align-items: center; gap: 8px; font-weight: 400; color: var(--text); margin-top: 8px; }
.checkbox-label input { width: auto; }
.inline-form { display: inline; }

/* Flash */
.flash { padding: 12px 18px; border-radius: 8px; margin-bottom: 20px; font-size: 14px; font-weight: 500; }
.flash-success { background: #ecfdf5; color: var(--ok); border: 1px solid #a7f3d0; }
.flash-error { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; }

/* 空态 */
.empty { text-align: center; color: #94a3b8; padding: 40px 0; background: var(--card); border: 1px dashed var(--border); border-radius: var(--radius); }
.section-title { font-size: 18px; font-weight: 700; margin: 28px 0 16px; }

/* 相册管理 */
.photo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
.photo-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.photo-card img { width: 100%; height: 150px; object-fit: cover; display: block; }
.photo-info { padding: 12px 14px; }
.photo-info strong { display: block; font-size: 14px; }
.photo-info small { color: var(--muted); font-size: 12px; }
.photo-info p { color: var(--muted); font-size: 13px; margin: 6px 0; }
.photo-info .inline-form { display: block; margin-top: 8px; }

/* 登录页 */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%); }
.login-box { background: #fff; border-radius: 16px; padding: 40px; width: 360px; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.login-box h1 { font-size: 22px; font-weight: 800; text-align: center; margin-bottom: 24px; }
.login-box h1 span { color: var(--accent); }
.login-box input { margin-bottom: 14px; }
.login-back { text-align: center; margin-top: 16px; font-size: 14px; }

@media (max-width: 768px) {
  .admin-sidebar { width: 60px; }
  .admin-brand { padding: 16px 12px; font-size: 0; }
  .admin-brand span { display: none; }
  .admin-nav a, .admin-sidebar-bottom a { padding: 12px; font-size: 0; text-align: center; }
  .admin-nav a::after, .admin-sidebar-bottom a::after { font-size: 18px; }
  .admin-main { margin-left: 60px; padding: 20px; }
  .form-row { grid-template-columns: 1fr; }
}