/* AdminLTE 4 风格 管理后台组件库（变量化 + 暗黑主题） */
:root{
  --bg:#f4f6f9;
  --surface:#fff;
  --surface-2:#f8f9fa;
  --text:#212529;
  --text-muted:#6c757d;
  --text-subtle:#adb5bd;
  --border:#dee2e6;
  --border-soft:#e9ecef;
  --primary:#007bff;
  --primary-hover:#0069d9;
  --sidebar-bg:#343a40;
  --sidebar-text:#c2c7d0;
  --sidebar-hover:#3f474e;
  --sidebar-active-bg:rgba(0,123,255,0.12);
  --danger:#dc3545;
  --shadow:0 1px 2px rgba(0,0,0,0.05);
  --shadow-lg:0 8px 32px rgba(0,0,0,0.15);
  --skeleton-1:#e9ecef;
  --skeleton-2:#f8f9fa;
  --toast-bg:#343a40;
  --accent-purple:#b88fff;
  --accent-lime:#d8ff7c;
  --accent-gradient:linear-gradient(135deg,var(--accent-purple),var(--accent-lime));
  --truck-road:#dee2e6;
}
[data-theme="dark"]{
  --bg:#0f1117;
  --surface:#171a21;
  --surface-2:#1f232c;
  --text:#e6e8eb;
  --text-muted:#9aa1ab;
  --text-subtle:#6b7280;
  --border:#2a2f3a;
  --border-soft:#22262f;
  --primary:#3b82f6;
  --primary-hover:#2f6fe0;
  --sidebar-bg:#0c0e13;
  --sidebar-text:#aeb4bd;
  --accent-purple:#b88fff;
  --accent-lime:#d8ff7c;
  --accent-gradient:linear-gradient(135deg,var(--accent-purple),var(--accent-lime));
  --truck-road:#282828;
  --sidebar-hover:#1a1d24;
  --sidebar-active-bg:rgba(59,130,246,0.18);
  --danger:#f87171;
  --shadow:0 1px 2px rgba(0,0,0,0.3);
  --shadow-lg:0 8px 32px rgba(0,0,0,0.5);
  --skeleton-1:#232730;
  --skeleton-2:#2a2f3a;
  --toast-bg:#0c0e13;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;font-family:'Inter','Noto Sans SC',sans-serif;font-size:15px;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;transition:background 0.2s,color 0.2s}

.wrapper{display:flex;height:100vh;overflow:hidden}

/* ─── 侧栏 ─── */
.sidebar{width:250px;background:var(--sidebar-bg);color:var(--sidebar-text);display:flex;flex-direction:column;flex-shrink:0;overflow-y:auto;transition:background 0.2s}
.sidebar .brand{padding:16px 20px;font-size:18px;font-weight:700;color:#fff;border-bottom:1px solid rgba(255,255,255,0.06)}
.menu{flex:1;padding:8px 0;overflow-y:auto}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 20px;font-size:14px;color:var(--sidebar-text);cursor:pointer;transition:background 0.15s;text-decoration:none;border-left:3px solid transparent}
.nav-item:hover{background:var(--sidebar-hover);color:#fff}
.nav-item.active{background:var(--sidebar-active-bg);color:#fff;border-left-color:var(--primary)}
.nav-item i{width:20px;height:20px;flex-shrink:0}
.nav-item .arrow{margin-left:auto;width:16px;height:16px;transition:transform 0.2s}
.nav-item .arrow.open{transform:rotate(180deg)}
.sub-menu{max-height:0;overflow:hidden;transition:max-height 0.2s ease}
.sub-menu.open{max-height:300px}
.sub-item{display:block;padding:8px 20px 8px 53px;font-size:13px;color:var(--text-subtle);cursor:pointer;text-decoration:none;transition:color 0.15s}
.sub-item:hover{color:#fff}
.sub-item.active{color:var(--primary)}

/* ─── 顶栏 ─── */
.content-wrapper{flex:1;display:flex;flex-direction:column;overflow:hidden}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:56px;background:var(--surface);border-bottom:1px solid var(--border);flex-shrink:0;transition:background 0.2s,border-color 0.2s}
.breadcrumb{font-size:15px;font-weight:600;color:var(--text)}
#main-content{flex:1;overflow-y:auto;padding:20px 24px 40px}

/* ─── 页面标题 ─── */
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.page-header h1{font-size:22px;font-weight:700;color:var(--text)}
.page-header p{font-size:14px;color:var(--text-muted);margin-top:2px}

/* ─── 卡片 ─── */
.card{background:var(--surface);border-radius:6px;box-shadow:var(--shadow);padding:16px;margin-bottom:16px;transition:background 0.2s,box-shadow 0.2s}
.card h3{font-size:16px;font-weight:600;margin-bottom:12px;color:var(--text)}
.card-grid{display:grid;gap:16px}
.card-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-bottom:20px}

/* ─── 统计卡片 ─── */
.stat-card{background:var(--surface);border-radius:6px;box-shadow:var(--shadow);padding:16px;display:flex;align-items:center;gap:12px;transition:background 0.2s,box-shadow 0.2s}
.stat-card i{width:24px;height:24px;color:var(--primary)}
.stat-card-value{font-size:28px;font-weight:700;color:var(--text);line-height:1}
.stat-card-label{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.5px;margin-top:2px}

/* ─── 图表 ─── */
.chart-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:16px;margin-bottom:20px}

/* ─── 表格 ─── */
.table-wrap{background:var(--surface);border-radius:6px;overflow:hidden;box-shadow:var(--shadow);margin-bottom:16px;transition:background 0.2s,box-shadow 0.2s}
.table-wrap table{width:100%;border-collapse:collapse}
.table-wrap th{padding:10px 14px;background:var(--surface-2);font-size:12px;font-weight:600;color:var(--text-muted);text-align:left;text-transform:uppercase;letter-spacing:0.5px;border-bottom:1px solid var(--border)}
.table-wrap td{padding:10px 14px;font-size:14px;color:var(--text);border-bottom:1px solid var(--border-soft)}
.table-wrap tr:last-child td{border-bottom:none}
.table-wrap tr:hover td{background:var(--surface-2)}

/* ─── 按钮 ─── */
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:4px;font-size:14px;font-weight:500;cursor:pointer;border:none;font-family:inherit;transition:all 0.15s}
.btn:disabled{opacity:0.5;cursor:not-allowed}
.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}
.btn-ghost{background:transparent;color:var(--text-muted)}.btn-ghost:hover:not(:disabled){background:var(--surface-2);color:var(--text)}
.btn-danger{color:var(--danger)}.btn-danger:hover:not(:disabled){background:rgba(220,53,69,0.08)}
.btn-sm{padding:6px 12px;font-size:12px;height:32px}

/* ─── 表单 ─── */
.form-input,.form-select,.form-textarea{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:4px;font-size:14px;font-family:inherit;color:var(--text);background:var(--surface);outline:none;transition:border-color 0.15s}
.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,123,255,0.15)}
.form-textarea{resize:vertical;min-height:80px}
.form-label{display:block;font-size:12px;font-weight:600;color:var(--text-muted);margin-bottom:6px;text-transform:uppercase;letter-spacing:0.5px}

/* ─── 弹窗 ─── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.4);z-index:1000;display:flex;align-items:center;justify-content:center}
.modal{background:var(--surface);border-radius:8px;width:520px;max-width:90vw;max-height:80vh;overflow-y:auto;box-shadow:var(--shadow-lg);transition:background 0.2s}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}
.modal-header h2{font-size:16px;font-weight:600}
.modal-body{padding:20px;display:flex;flex-direction:column;gap:14px}
.modal-footer{display:flex;gap:8px;justify-content:flex-end;padding:12px 20px;border-top:1px solid var(--border)}

/* ─── 标签 ─── */
.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:50px;font-size:12px;font-weight:500}
.badge-primary{background:#e7f1ff;color:#007bff}
.badge-success{background:#d4edda;color:#155724}
.badge-warning{background:#fff3cd;color:#856404}
.badge-danger{background:#f8d7da;color:#721c24}
.badge-secondary{background:#e2e3e5;color:#383d41}
.badge-light{background:#f8f9fa;color:#212529}

/* ─── 搜索栏 ─── */
.filter-bar{display:flex;gap:12px;align-items:center;margin-bottom:16px;flex-wrap:wrap}
.filter-bar .search-input{flex:1;min-width:200px;display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--surface);border:1px solid var(--border);border-radius:4px}
.filter-bar .search-input input{flex:1;border:none;outline:none;font-size:14px;font-family:inherit;color:var(--text);background:transparent}
.filter-bar .search-input i{width:16px;height:16px;color:var(--text-subtle);flex-shrink:0}
.filter-bar select{padding:8px 12px;border:1px solid var(--border);border-radius:4px;font-size:14px;font-family:inherit;color:var(--text);background:var(--surface);cursor:pointer}

/* ─── 分页 ─── */
.pagination{display:flex;align-items:center;justify-content:center;gap:4px;margin-top:12px}
.pagination button{padding:6px 12px;border:1px solid var(--border);border-radius:4px;background:var(--surface);color:var(--text-muted);font-size:13px;cursor:pointer}
.pagination button:hover{background:var(--surface-2)}
.pagination button.current{background:var(--primary);color:#fff;border-color:var(--primary)}
.pagination button:disabled{opacity:0.3;cursor:not-allowed}

/* ─── 空状态 ─── */
.empty-state{display:flex;flex-direction:column;align-items:center;gap:8px;padding:48px 20px;text-align:center}
.empty-state i{width:48px;height:48px;color:var(--text-subtle)}
.empty-state h3{font-size:16px;font-weight:600;color:var(--text);margin-top:8px}
.empty-state p{font-size:14px;color:var(--text-muted);max-width:300px}

/* ─── 错误 ─── */
.error-banner{display:flex;align-items:center;gap:8px;padding:10px 14px;background:#fff5f5;border:1px solid var(--danger);border-radius:4px;color:var(--danger);font-size:14px;margin-bottom:12px}

/* ─── 骨架屏 ─── */
.skeleton{background:linear-gradient(90deg,var(--skeleton-1) 25%,var(--skeleton-2) 50%,var(--skeleton-1) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:4px}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
.page-loading{display:flex;flex-direction:column;gap:12px;padding:20px 0}
.skeleton-block{height:20px;border-radius:4px;background:var(--skeleton-1)}
.loading{display:flex;align-items:center;justify-content:center;padding:40px;color:var(--text-muted)}
.spinner{width:24px;height:24px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin 0.6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.toast{position:fixed;bottom:100px;left:50%;transform:translateX(-50%);padding:10px 20px;background:var(--toast-bg);color:#fff;border-radius:50px;font-size:14px;z-index:2000;box-shadow:0 4px 16px rgba(0,0,0,0.2)}

/* ─── 工具类 ─── */
.flex{display:flex}.flex-col{flex-direction:column}.gap-8{gap:8px}.gap-12{gap:12px}
.items-center{align-items:center}.justify-between{justify-content:space-between}
.icon-16{width:16px;height:16px}.icon-20{width:20px;height:20px}.icon-24{width:24px;height:24px}.icon-48{width:48px;height:48px}
::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}

/* ─── 标签输入 ─── */
.tags-input-wrap{display:flex;flex-wrap:wrap;gap:4px;padding:6px 10px;border:1px solid var(--border);border-radius:4px;min-height:36px;background:var(--surface)}
.tags-input-wrap:focus-within{border-color:var(--primary)}
.tags-input-wrap input{border:none;outline:none;font-size:14px;font-family:inherit;flex:1;min-width:80px;background:transparent;color:var(--text)}
.tag-pill{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:50px;background:#e7f1ff;color:#007bff;font-size:12px}

/* ─── 移动端适配（<768px） ─── */
@media (max-width: 768px){
  .table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .table-wrap table{min-width:560px}
  .card-row{display:grid!important;grid-template-columns:repeat(2,1fr)!important;gap:8px}
  .stat-card{min-height:64px;padding:10px!important}
  .stat-card-value{font-size:20px!important}
  .sidebar{transform:translateX(-100%);position:fixed!important;left:0;top:0;bottom:0;z-index:900;transition:transform 0.25s ease;width:220px!important;box-shadow:2px 0 12px rgba(0,0,0,0.1)}
  .sidebar.open{transform:translateX(0)}
  .sidebar-mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.3);z-index:899}
  .sidebar-mask.show{display:block}
  .hamburger{display:inline-flex!important;align-items:center;justify-content:center;width:44px;height:44px;border:none;background:none;cursor:pointer;color:var(--text-muted);margin-right:4px}
  .content-wrapper{margin-left:0!important;padding:12px!important}
  .topbar{flex-wrap:wrap;gap:8px;padding:8px 12px!important}
  #global-search-wrap{max-width:100%!important;flex:1 1 100%!important;order:3}
  .btn{padding:8px 14px!important;min-height:44px;min-width:44px}
  .modal{width:calc(100vw - 32px)!important;max-width:100%!important;max-height:80vh;overflow-y:auto}
  .page-header h1{font-size:20px!important}
  .page-header{padding:12px 0!important}
  .breadcrumb{flex:1 1 auto}
  .hot-grid{grid-template-columns:1fr!important;gap:12px}
}
.hamburger{display:none}

.tag-pill i{width:12px;height:12px;cursor:pointer}

/* ===== huisu IP 视觉迁移：BAOAN 品牌 + 卡通卡车动画 + 渐变（#227 2026-08-06） ===== */
.topbar-left{display:flex;align-items:center;gap:14px;flex-shrink:0}
.topbar-brand{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  font-size:20px;font-weight:800;color:var(--text);text-decoration:none;
  letter-spacing:-0.5px;white-space:nowrap;transition:transform .2s ease;
}
.topbar-brand:hover{transform:scale(1.04)}
.topbar-brand .accent{
  background:var(--accent-gradient);-webkit-background-clip:text;
  background-clip:text;-webkit-text-fill-color:transparent;
}
/* 卡车动画（移植自 huisu 纯 CSS） */
.topbar-truck{display:inline-flex;align-items:center;height:56px;flex-shrink:0}
.topbar-truck .truckWrapper{
  width:104px;height:52px;display:flex;flex-direction:column;
  align-items:center;justify-content:flex-end;position:relative;overflow:hidden;
}
.topbar-truck .truckBody{width:72px;animation:motion .5s linear infinite}
.topbar-truck .truckBody svg{width:100%;height:auto;display:block}
.topbar-truck .road{
  width:160px;height:2px;background:var(--truck-road);position:absolute;bottom:6px;border-radius:3px;
  animation:roadAnimation 1.4s linear infinite;
}
.topbar-truck .road::before{
  content:"";position:absolute;width:14px;height:100%;background:var(--truck-road);
  right:-32px;border-radius:3px;animation:roadAnimation 1.4s linear infinite;border-left:5px solid #fff;
}
.topbar-truck .road::after{
  content:"";position:absolute;width:7px;height:100%;background:var(--truck-road);
  right:-44px;border-radius:3px;animation:roadAnimation 1.4s linear infinite;border-left:3px solid #fff;
}
.topbar-truck .lampPost{position:absolute;bottom:6px;right:-46px;height:46px;animation:roadAnimation 1.4s linear infinite}
.topbar-truck .lampPost svg{width:11px;height:auto;display:block}
@keyframes motion{0%{transform:translateY(0)}50%{transform:translateY(2px)}100%{transform:translateY(0)}}
@keyframes roadAnimation{0%{transform:translateX(0)}100%{transform:translateX(-190px)}}
/* 侧边栏品牌统一咖喱渐变视觉 */
.sidebar .brand{box-shadow:inset 0 -2px 0 var(--accent-gradient)}
.sidebar .brand i{color:var(--accent-purple)!important}
@media (max-width:880px){.topbar-truck{display:none}}

/* ─── 热点统一卡片 ─── */
.hot-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}
.hot-card{background:var(--surface);border-radius:12px;border:1px solid var(--border-soft);padding:16px;transition:all .2s ease;cursor:pointer;display:flex;flex-direction:column;gap:10px;height:100%}
.hot-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);border-color:var(--border)}
.hot-card-head{display:flex;align-items:flex-start;gap:12px}
.hot-card-icon{flex-shrink:0;width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;color:#fff}
.hot-card-icon.red{background:linear-gradient(135deg,#ff6b6b,#ee5a6f)}
.hot-card-icon.blue{background:linear-gradient(135deg,#4f7cf6,#3b5bdb)}
.hot-card-icon.green{background:linear-gradient(135deg,#20c997,#12b886)}
.hot-card-icon.purple{background:linear-gradient(135deg,#9775fa,#7950f2)}
.hot-card-icon.orange{background:linear-gradient(135deg,#ffa94d,#ff922b)}
.hot-card-icon.cyan{background:linear-gradient(135deg,#22b8cf,#15aabf)}
.hot-card-icon.pink{background:linear-gradient(135deg,#f783ac,#e64980)}
.hot-card-icon.gray{background:linear-gradient(135deg,#adb5bd,#868e96)}
.hot-card-title{font-size:15px;font-weight:600;color:var(--text);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hot-card-desc{font-size:13px;color:var(--text-muted);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hot-card-meta{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:10px;border-top:1px solid var(--border-soft);font-size:12px;color:var(--text-subtle);flex-wrap:wrap}
.hot-card-meta b{color:var(--text);font-weight:600}
.hot-card-meta .up{color:#28a745}
.hot-card-meta .hot{color:var(--danger)}
.hot-card-badge{flex-shrink:0}
.hot-card-link{color:var(--primary);text-decoration:none;font-size:12px;font-weight:500;margin-left:auto}
.hot-card-link:hover{text-decoration:underline}

/* ─── 暗黑主题：徽章/标签/错误条 深底浅字 ─── */
[data-theme="dark"] .badge-primary{background:rgba(59,130,246,0.18);color:#7eb0ff}
[data-theme="dark"] .badge-success{background:rgba(40,167,69,0.20);color:#5dd879}
[data-theme="dark"] .badge-warning{background:rgba(255,193,7,0.18);color:#ffd866}
[data-theme="dark"] .badge-danger{background:rgba(248,113,113,0.18);color:#fca5a5}
[data-theme="dark"] .badge-secondary{background:rgba(108,117,125,0.30);color:#c2c7d0}
[data-theme="dark"] .badge-light{background:rgba(233,236,239,0.12);color:#e6e8eb}
[data-theme="dark"] .tag-pill{background:rgba(59,130,246,0.18);color:#7eb0ff}
[data-theme="dark"] .error-banner{background:rgba(248,113,113,0.12);color:#fca5a5}
[data-theme="dark"] .btn-danger:hover:not(:disabled){background:rgba(248,113,113,0.12)}
[data-theme="dark"] .table-wrap tr:hover td{background:var(--surface-2)}