:root{--brand:#ee4f00;--brand-dark:#d84200;--ink:#282828;--muted:#777;--line:#e5e5e5;--canvas:#f5f5f5;--card:#fff;--radius:12px;color:var(--ink);background:var(--canvas);font-family:Microsoft YaHei,Noto Sans SC,sans-serif}*{box-sizing:border-box}body{background:var(--canvas);min-width:320px;margin:0}button,input{font:inherit}button{cursor:pointer}.admin-form{flex-wrap:wrap;gap:8px;margin-bottom:16px;display:flex}.admin-form input,.admin-form select{background:#fff;border:1px solid #ddd;border-radius:6px;min-width:120px;padding:8px}.global-error{color:#c43f16;text-align:center;background:#fff0e8;margin:0 auto;padding:10px 20px}.global-error button{color:#c43f16;background:#fff;border:0;border-radius:6px;margin-left:8px;padding:4px 10px}.app-shell{min-height:100vh}.topbar{color:#fff;background:linear-gradient(90deg,#d94100,#f05a00);justify-content:space-between;align-items:center;height:80px;padding:0 4.5%;display:flex;box-shadow:0 3px 12px #b53d0026}.brand,.top-actions,.brand>div{align-items:center;display:flex}.brand-icon{background:#ffffff2a;border-radius:10px;margin-right:12px;padding:11px;font-size:25px}.brand strong{font-size:19px;display:block}.brand small{opacity:.85;margin-top:3px;font-size:11px;display:block}.top-actions{gap:20px;font-size:13px}.cart-button{color:#fff;background:#ffffff18;border:1px solid #fff7;border-radius:24px;padding:10px 16px}.cart-button b{color:var(--brand);background:#fff;border-radius:10px;margin-left:4px;padding:1px 6px}.logout{color:#fff;opacity:.85;background:0 0;border:0}.content{max-width:1552px;margin:0 auto;padding:20px}.stats{grid-template-columns:repeat(4,1fr);gap:16px;display:grid}.stat-card{background:#fff;border-radius:12px;align-items:center;gap:18px;padding:19px 28px;display:flex;box-shadow:0 4px 15px #0000000b}.stat-icon{font-size:28px}.stat-card small,.stat-card span{color:#777}.stat-card strong{margin:7px 8px 0 0;font-size:23px;display:inline-block}.toolbar{justify-content:space-between;align-items:center;margin:24px 0 14px;display:flex}.toolbar h2{margin:0;font-size:21px}.toolbar input{background:#fff;border:1px solid #ddd;border-radius:24px;width:260px;padding:10px 16px}.supplier-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;display:grid}.supplier-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px #0000000b}.supplier-head{color:#fff;justify-content:space-between;align-items:center;padding:17px 20px;display:flex}.supplier-head h3{margin:0;font-size:17px}.supplier-head p{opacity:.9;margin:6px 0 0;font-size:12px}.supplier-head>span{background:#ffffff2b;border-radius:15px;padding:5px 11px;font-size:12px}.supplier-body{padding:16px 20px}.list-meta{color:#777;border-bottom:1px solid #eee;justify-content:space-between;padding-bottom:12px;font-size:13px;display:flex}.list-meta em{color:var(--brand);font-style:normal;font-weight:600}.chips{gap:8px;padding:12px 0;display:flex;overflow:auto}.chip{color:#666;white-space:nowrap;background:#fff;border:1px solid #ddd;border-radius:18px;padding:6px 13px;font-size:12px}.chip.active{background:var(--brand);border-color:var(--brand);color:#fff}.product{border:1px solid #e2e2e2;border-radius:11px;align-items:center;gap:12px;margin-top:10px;padding:11px 12px;display:flex}.product-img{background:#f5f5f5;border-radius:9px;place-items:center;width:45px;height:45px;font-size:24px;display:grid}.product-info{flex:1}.product-info strong,.product-info small{display:block}.product-info small{color:#888;margin-top:4px;font-size:12px}.price{color:var(--brand);white-space:nowrap}.price small{color:#999;font-size:11px;font-weight:400}.add,.primary{background:var(--brand);color:#fff;border:0;border-radius:8px;padding:9px 14px;font-weight:600}.add:hover,.primary:hover{background:var(--brand-dark)}.drawer-mask{z-index:10;background:#0005;position:fixed;inset:0}.drawer{background:#fff;width:min(450px,100%);height:100%;padding:22px;position:absolute;top:0;right:0;box-shadow:-5px 0 20px #0002}.drawer-head{border-bottom:1px solid #eee;justify-content:space-between;align-items:center;padding-bottom:15px;display:flex}.drawer-head h2{margin:0;font-size:20px}.drawer-head button{background:0 0;border:0;font-size:19px}.empty{text-align:center;color:#777;padding:100px 0}.empty div{font-size:48px}.empty p{color:#333;margin:15px 0 5px;font-weight:600}.drawer-item{border-bottom:1px solid #eee;align-items:center;gap:10px;padding:14px 0;display:flex}.drawer-item>span{font-size:25px}.drawer-item div{flex:1}.drawer-item strong,.drawer-item small{display:block}.drawer-item small{color:#888;margin-top:4px;font-size:12px}.drawer-item input{border:1px solid #ddd;border-radius:5px;width:54px;padding:5px}.drawer-item button{color:#999;background:0 0;border:0;font-size:12px}.drawer-total{justify-content:space-between;padding:20px 0;font-size:16px;display:flex}.drawer-total strong{color:var(--brand);font-size:24px}.full{width:100%}.login-shell{background:linear-gradient(135deg,#fff6ef,#f6f6f6);place-items:center;min-height:100vh;display:grid}.login-card{text-align:center;background:#fff;border-radius:18px;width:min(390px,90vw);padding:42px 38px;box-shadow:0 14px 40px #00000012}.brand-mark{font-size:42px}.login-card h1{margin:15px 0 5px;font-size:23px}.login-card p{color:#888;margin:0 0 26px}.login-card form{gap:13px;display:grid}.login-card input{border:1px solid #ddd;border-radius:8px;padding:12px 14px}.login-card small{color:#999;margin-top:20px;display:block}@media (width<=800px){.topbar{align-items:flex-start;height:auto;padding:14px 16px}.date{display:none}.top-actions{gap:8px}.brand strong{font-size:16px}.content{padding:12px}.stats{grid-template-columns:repeat(2,1fr);gap:9px}.stat-card{gap:8px;padding:12px}.stat-card strong{font-size:18px}.supplier-grid{grid-template-columns:1fr}.toolbar{display:block}.toolbar input{width:100%;margin-top:12px}.supplier-head{padding:14px}.supplier-body{padding:12px}.product{gap:8px}.product-info{min-width:0}.product-info strong{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.price{font-size:14px}.add{padding:8px 10px;font-size:12px}}.admin-content{background:0 0}.muted{color:#888;margin:5px 0 0;font-size:13px}.admin-tabs{flex-wrap:wrap;gap:8px;margin:18px 0;display:flex}.admin-tabs button{color:#666;background:#fff;border:1px solid #ddd;border-radius:8px;padding:11px 16px}.admin-tabs button.active{background:var(--brand);color:#fff;border-color:var(--brand)}.admin-panel,.admin-cards{background:#fff;border-radius:12px;padding:20px;box-shadow:0 4px 15px #0000000b}.admin-summary{color:#777;gap:40px;padding:4px 0 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var(--line);background:#fff;border-radius:6px;padding:7px 12px}.pager button:disabled{cursor:not-allowed;opacity:.45}