*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Microsoft YaHei","PingFang SC",sans-serif;background:#f0f5ff;color:#333;min-height:100vh}
:root{--primary:#1890ff;--primary-dark:#096dd9;--success:#52c41a;--danger:#ff4d4f;--warning:#faad14;--sidebar-bg:#001529;--sidebar-w:220px;--topbar-h:56px}

/* 登录 */
.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}
.login-card{background:#fff;padding:48px 40px;border-radius:8px;box-shadow:0 8px 40px rgba(0,0,0,.15);width:400px;max-width:90vw}
.login-card h1{text-align:center;font-size:24px;color:#1a1a1a;margin-bottom:8px}
.login-card .subtitle{text-align:center;color:#999;font-size:14px;margin-bottom:32px}
.form-group{margin-bottom:20px}
.form-group label{display:block;margin-bottom:6px;font-size:14px;color:#555;font-weight:500}
.form-group input,.form-group select{width:100%;padding:10px 12px;border:1px solid #d9d9d9;border-radius:4px;font-size:14px;transition:border-color .3s}
.form-group input:focus,.form-group select:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 2px rgba(24,144,255,.2)}
.form-error{color:var(--danger);font-size:13px;margin-bottom:12px;min-height:20px}
.btn{padding:8px 20px;border:none;border-radius:4px;cursor:pointer;font-size:14px;display:inline-flex;align-items:center;gap:6px;transition:all .2s}
.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}
.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#e84749}
.btn-success{background:var(--success);color:#fff}
.btn-sm{padding:4px 12px;font-size:12px}
.btn-block{width:100%;justify-content:center;padding:12px;font-size:16px}
.btn:disabled{opacity:.6;cursor:not-allowed}

/* 主布局 */
.main-layout{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar-w);background:var(--sidebar-bg);color:#fff;display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}
.sidebar-header{padding:20px 16px;border-bottom:1px solid rgba(255,255,255,.1)}
.sidebar-header h2{font-size:18px;color:#fff}
.sidebar-header span{font-size:12px;color:rgba(255,255,255,.45);display:block;margin-top:4px}
.sidebar-nav{flex:1;overflow-y:auto;padding:8px 0}
.nav-item{display:flex;align-items:center;gap:10px;padding:12px 24px;color:rgba(255,255,255,.65);text-decoration:none;font-size:14px;transition:all .2s;border-left:3px solid transparent}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-item.active{color:#fff;background:var(--primary);border-left-color:#fff}
.nav-icon{font-size:16px;width:20px;text-align:center}
.sidebar-footer{padding:16px;border-top:1px solid rgba(255,255,255,.1)}
.sidebar-footer .btn{background:rgba(255,255,255,.1);color:#fff;width:100%;justify-content:center}

/* 内容区 */
.content{margin-left:var(--sidebar-w);flex:1;display:flex;flex-direction:column}
.topbar{height:var(--topbar-h);background:#fff;padding:0 24px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 1px 4px rgba(0,0,0,.08);position:sticky;top:0;z-index:50}
.topbar h3{font-size:18px;font-weight:600}
.topbar-info{display:flex;gap:20px;font-size:13px;color:#888}
.page-body{padding:24px;flex:1}

/* 卡片 */
.card{background:#fff;border-radius:6px;padding:20px;margin-bottom:16px;box-shadow:0 1px 2px rgba(0,0,0,.06)}
.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.card-header h4{font-size:15px;font-weight:600}

/* 统计卡片 */
.stats-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:20px}
.stat-card{background:#fff;border-radius:6px;padding:20px;box-shadow:0 1px 2px rgba(0,0,0,.06);text-align:center}
.stat-card .stat-value{font-size:28px;font-weight:700;color:var(--primary)}
.stat-card .stat-label{font-size:13px;color:#888;margin-top:4px}

/* 表格 */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid #f0f0f0}
th{background:#fafafa;font-weight:600;color:#555;white-space:nowrap}
tr:hover td{background:#f5f7fa}
.table-empty{text-align:center;padding:40px;color:#999}

/* 搜索栏 */
.search-bar{display:flex;gap:10px;margin-bottom:16px;align-items:center}
.search-bar input,.search-bar select{padding:6px 10px;border:1px solid #d9d9d9;border-radius:4px;font-size:13px}
.search-bar input{width:200px}

/* 分页 */
.pagination{display:flex;justify-content:center;align-items:center;gap:6px;margin-top:16px}
.pagination button{padding:4px 12px;border:1px solid #d9d9d9;border-radius:4px;background:#fff;cursor:pointer;font-size:13px}
.pagination button:hover{border-color:var(--primary);color:var(--primary)}
.pagination button.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.pagination span{font-size:13px;color:#888}

/* 模态框 */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:1000;display:flex;align-items:center;justify-content:center}
.modal{background:#fff;border-radius:8px;width:1066px;max-width:96vw;max-height:96vh;display:flex;flex-direction:column;box-shadow:0 12px 48px rgba(0,0,0,.15)}
.modal-body{flex:1;overflow-y:auto;padding:20px}
.modal-header{padding:16px 20px;border-bottom:1px solid #f0f0f0;display:flex;justify-content:space-between;align-items:center}
.modal-header h4{margin:0;font-size:16px}
.modal-body{padding:20px}
.modal-footer{padding:12px 20px;border-top:1px solid #f0f0f0;display:flex;justify-content:flex-end;gap:10px}
.modal-close{background:none;border:none;font-size:20px;cursor:pointer;color:#999;padding:0;line-height:1}

/* 状态标签 */
.tag{padding:2px 8px;border-radius:10px;font-size:11px;display:inline-block}
.tag-success{background:#f6ffed;color:var(--success);border:1px solid #b7eb8f}
.tag-warning{background:#fffbe6;color:#d48806;border:1px solid #ffe58f}
.tag-danger{background:#fff2f0;color:var(--danger);border:1px solid #ffccc7}
.tag-default{background:#fafafa;color:#8c8c8c;border:1px solid #d9d9d9}
.tag-primary{background:#e6f7ff;color:var(--primary);border:1px solid #91d5ff}

/* 加载 */
.loading-overlay{position:fixed;inset:0;background:rgba(255,255,255,.7);z-index:9999;display:flex;align-items:center;justify-content:center}
.loading-spinner{width:40px;height:40px;border:3px solid #f0f0f0;border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* 表单内联 */
.form-inline{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}
.form-inline .form-group{margin-bottom:0}
.form-inline .form-group label{font-size:12px}

/* 可编辑电子表格 */
.editable-grid-wrap{max-height:55vh;overflow:auto;border:1px solid #e8e8e8;border-radius:4px}
.editable-grid{width:100%;border-collapse:collapse;font-size:13px}
.editable-grid th{background:#fafafa;font-weight:600;color:#555;padding:8px 8px;border-bottom:2px solid #e8e8e8;position:sticky;top:0;z-index:1}
.editable-grid td{padding:4px 6px;border-bottom:1px solid #f0f0f0}
.editable-grid input:focus,.editable-grid select:focus{border-color:var(--primary)!important;outline:none;box-shadow:0 0 0 2px rgba(24,144,255,.2)}
.editable-grid .eg-row-num{width:36px;text-align:center;color:#999;font-size:12px}
.editable-grid .eg-action{width:60px;text-align:center}
.eg-row-saved td{background:#f6ffed}.eg-row-saved .eg-row-num{color:var(--success)}

/* 响应式 */
@media(max-width:768px){
  .sidebar{width:60px}.sidebar-header h2,.sidebar-header span,.nav-item span:last-child{display:none}
  .content{margin-left:60px}.stats-row{grid-template-columns:repeat(2,1fr)}
  .search-bar{flex-wrap:wrap}
}