/* 通用样式 */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:#f5f7fa;color:#374151}
a{text-decoration:none;color:inherit}
/* 后台布局 */
.app-header{background:#fff;border-bottom:1px solid #e5e7eb;height:60px;display:flex;align-items:center;padding:0 10%;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.app-header .logo{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:600;color:#1f2937;text-decoration:none}
.header-right{margin-left:auto;display:flex;align-items:center;gap:20px}
.header-right .frontend-link{color:#6b7280;font-size:14px;display:flex;align-items:center;gap:4px}
.user-info{display:flex;align-items:center;gap:8px;font-size:14px}
.role-badge-admin{background:#e6f7ff;color:#1890ff;padding:2px 8px;border-radius:4px;font-size:12px}
/* 后台导航 - 横向 */
.admin-tabs{background:#fff;border-bottom:1px solid #e5e7eb}
.admin-tabs-inner{display:flex;gap:0;padding:0 10%}
.admin-tabs-inner a{display:flex;align-items:center;gap:6px;padding:14px 20px;font-size:14px;color:#6b7280;border-bottom:2px solid transparent;transition:all .2s}
.admin-tabs-inner a:hover{color:#3461ff}
.admin-tabs-inner a.active{color:#3461ff;border-bottom-color:#3461ff;font-weight:500}
/* 后台主体 */
.app-main{padding:24px 10%}
.app-content-card{background:#fff;border-radius:10px;box-shadow:0 1px 3px rgba(0,0,0,.06);padding:24px}
/* 前台布局 */
.frontend-header{background:#fff;border-bottom:1px solid #e5e7eb;height:60px;display:flex;align-items:center;padding:0 40px;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.frontend-header .logo{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:600;color:#1f2937;text-decoration:none}
.frontend-nav{margin-left:auto;display:flex;align-items:center;gap:20px}
.frontend-nav a{font-size:14px;color:#6b7280}
.frontend-nav .btn{background:#3461ff;color:#fff!important;padding:6px 16px;border-radius:6px;font-weight:500;font-size:13px}
.frontend-main{max-width:1100px;margin:0 auto;padding:28px 24px}
/* 卡片 */
.card{background:#fff;border-radius:10px;box-shadow:0 1px 3px rgba(0,0,0,.06);margin-bottom:20px;padding:24px}
.card-title{font-size:15px;font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:8px}
/* 表单 */
.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:500;margin-bottom:4px}
.field .req{color:#ff4d4f;margin-left:2px}
.field input,.field select,.field textarea{width:100%;padding:7px 11px;border:1px solid #d9d9d9;border-radius:6px;font-size:14px;outline:none}
.field input:focus,.field select:focus{border-color:#3461ff;box-shadow:0 0 0 2px rgba(52,97,255,.1)}
.field textarea{resize:vertical;min-height:60px}
/* 表格 */
table{width:100%;border-collapse:collapse}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid #f0f0f0;font-size:13px}
th{background:#fafafa;font-weight:600;color:#666}
tr:hover{background:#f9fafb}
/* 按钮 */
.btn{padding:6px 16px;border-radius:6px;font-size:13px;border:none;cursor:pointer;display:inline-flex;align-items:center;gap:4px}
.btn-primary{background:#3461ff;color:#fff}
.btn-danger{background:#fff;color:#ff4d4f;border:1px solid #ff4d4f}
.btn-link{background:none;color:#3461ff;padding:0;font-size:13px}
.btn-sm{padding:4px 12px;font-size:12px}
.btn-ghost{background:#fff;color:#3461ff;border:1px solid #3461ff}
/* 标签 */
.tag{display:inline-block;padding:1px 8px;border-radius:4px;font-size:12px;line-height:22px}
.tag-blue{color:#1890ff;background:#e6f7ff}
.tag-green{color:#52c41a;background:#f6ffed}
.tag-orange{color:#fa8c16;background:#fff7e6}
.tag-red{color:#ff4d4f;background:#fff2f0}
.tag-purple{color:#722ed1;background:#f9f0ff}
.tag-cyan{color:#13c2c2;background:#e6fffb}
.tag-default{color:#666;background:#f5f5f5}
/* 页标题 */
.page-title{margin-bottom:16px}
.page-title h2{font-size:20px;font-weight:600;margin-bottom:4px}
.page-title p{font-size:13px;color:#999}
/* 筛选栏 */
.filter-bar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px;align-items:center}
.filter-bar input,.filter-bar select{padding:5px 11px;border:1px solid #d9d9d9;border-radius:6px;font-size:13px}
.filter-bar input:focus{border-color:#3461ff}
/* 弹窗 (modal) */
.modal-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.45);z-index:1000}
.modal-overlay.active{display:flex;align-items:center;justify-content:center}
.modal{background:#fff;border-radius:10px;min-width:480px;max-width:90vw;max-height:80vh;overflow-y:auto}
.modal-header{padding:16px 24px;border-bottom:1px solid #f0f0f0;display:flex;align-items:center;justify-content:space-between}
.modal-header h3{font-size:16px;font-weight:600}
.modal-body{padding:24px}
.modal-footer{padding:12px 24px;border-top:1px solid #f0f0f0;display:flex;justify-content:flex-end;gap:8px}
/* 进度看板 */
.kanban{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.kanban-col{background:#f5f5f5;border-radius:8px;padding:12px;min-height:200px}
.kanban-col h4{font-size:13px;margin-bottom:12px;padding-bottom:8px;border-bottom:2px solid #ddd;display:flex;align-items:center;justify-content:space-between}
.kanban-card{background:#fff;border-radius:6px;padding:10px 12px;margin-bottom:8px;box-shadow:0 1px 2px rgba(0,0,0,.06);cursor:pointer;font-size:12px}
.kanban-card:hover{box-shadow:0 2px 8px rgba(0,0,0,.1)}
.kanban-card .card-no{font-size:11px;color:#999;font-family:monospace}
.kanban-card .card-title{font-size:13px;font-weight:500;margin:4px 0}
/* 其他 */
.page-center{text-align:center;margin-bottom:32px}
.page-center h1{font-size:24px;font-weight:700;margin-bottom:8px}
.page-center p{font-size:13px;color:#888}
.badge{display:inline-block;padding:3px 14px;background:#3461ff;color:#fff;border-radius:20px;font-size:13px;font-weight:500;margin-top:10px}
.empty{text-align:center;padding:60px;color:#999}
.empty .icon{font-size:48px;margin-bottom:12px}
.rel{position:relative}
.ml-auto{margin-left:auto}
.flex{display:flex;align-items:center;gap:8px}
.mb16{margin-bottom:16px}
.mt16{margin-top:16px}
.w100{width:100%}
@media(max-width:768px){.grid,.admin-tabs-inner,.filter-bar{grid-template-columns:1fr;flex-wrap:wrap}.kanban{grid-template-columns:1fr;overflow-x:auto}}