:root{--bg: #f4f6f9;--panel: #ffffff;--text: #1f2733;--muted: #6b7280;--line: #e5e8ee;--primary: #2563eb;--primary-dark: #1d4ed8;--danger: #dc2626;--danger-bg: #fef2f2;--warning: #d97706;--warning-bg: #fffbeb;--ok: #059669;--sidebar: #131a26;--sidebar-text: #c7cfdd;--radius: 10px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,PingFang SC,sans-serif;background:var(--bg);color:var(--text);font-size:14px;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}.layout{display:flex;min-height:100vh}.sidebar{width:208px;flex:0 0 208px;background:var(--sidebar);color:var(--sidebar-text);display:flex;flex-direction:column;padding:16px 12px;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 18px;color:#fff;font-weight:600;font-size:15px}.brand .dot{width:10px;height:10px;border-radius:3px;background:var(--primary)}.nav{display:flex;flex-direction:column;gap:2px;flex:1}.nav a{color:var(--sidebar-text);padding:9px 12px;border-radius:8px;font-size:13.5px;display:block}.nav a:hover{background:#ffffff0f;color:#fff}.nav a.active{background:var(--primary);color:#fff}.sidebar-foot{border-top:1px solid rgba(255,255,255,.08);padding-top:12px;display:flex;flex-direction:column;gap:8px}.sidebar-user{padding:0 4px;font-size:12.5px;color:#93a1b5;line-height:1.6}.sidebar-user b{color:#fff;font-size:13px}.main{flex:1;padding:24px 28px 48px;min-width:0}.page-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap}.page-head h1{font-size:20px;margin:0;font-weight:600}.page-head .sub{color:var(--muted);font-size:12.5px;margin-top:4px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.card+.card{margin-top:16px}.card-title{font-size:14.5px;font-weight:600;margin:0 0 14px;display:flex;align-items:center;gap:8px}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.grow{flex:1;min-width:0}.muted{color:var(--muted)}.small{font-size:12px}.mt8{margin-top:8px}.mt12{margin-top:12px}.mt16{margin-top:16px}.input,.select,textarea.input{width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:8px;font-size:13.5px;background:#fff;color:var(--text);outline:none;font-family:inherit}.input:focus,.select:focus,textarea.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1f}textarea.input{resize:vertical;min-height:86px;line-height:1.6}.field{margin-bottom:14px}.field label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:6px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:0 16px}@media (max-width: 900px){.grid2,.grid3{grid-template-columns:1fr}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 16px;border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--text);font-size:13.5px;cursor:pointer;font-family:inherit;white-space:nowrap}.btn:hover{border-color:#cdd4e0;background:#fafbfd}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark)}.btn-danger{background:#fff;border-color:#f0b9b9;color:var(--danger)}.btn-danger:hover{background:var(--danger-bg)}.btn-sm{padding:5px 10px;font-size:12.5px;border-radius:6px}.btn-ghost{border-color:transparent;background:transparent;color:var(--muted)}.btn-ghost:hover{background:#f1f3f8}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}table{width:100%;border-collapse:collapse;font-size:13px}th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}th{background:#f8fafc;color:var(--muted);font-weight:500;font-size:12.5px;position:sticky;top:0}tbody tr:last-child td{border-bottom:none}tbody tr:hover{background:#f9fbff}tr.low td{background:var(--danger-bg)}tr.low:hover td{background:#fde8e8}tr.low td:first-child{box-shadow:inset 3px 0 0 var(--danger)}.stock-num{font-variant-numeric:tabular-nums}.text-danger{color:var(--danger);font-weight:600}.tag{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;line-height:18px}.tag-in{background:#ecfdf5;color:var(--ok)}.tag-out{background:#eff6ff;color:var(--primary)}.tag-admin{background:#eef2ff;color:#4338ca}.tag-keeper{background:#f3f4f6;color:#4b5563}.tag-low{background:var(--danger-bg);color:var(--danger)}.tag-ok{background:#ecfdf5;color:var(--ok)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}@media (max-width: 900px){.stats{grid-template-columns:repeat(2,1fr)}}.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px}.stat .label{color:var(--muted);font-size:12.5px}.stat .value{font-size:26px;font-weight:600;margin-top:6px;font-variant-numeric:tabular-nums}.stat.warn{border-color:#f3c9c9;background:snow}.stat.warn .value{color:var(--danger)}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#11182773;display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}.modal{background:#fff;border-radius:12px;width:100%;max-width:560px;max-height:88vh;overflow:auto;box-shadow:0 20px 50px #0003}.modal-head{padding:16px 20px;border-bottom:1px solid var(--line);font-weight:600;display:flex;justify-content:space-between;align-items:center}.modal-body{padding:18px 20px}.modal-foot{padding:14px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}.close-x{border:none;background:transparent;font-size:20px;color:var(--muted);cursor:pointer;line-height:1}.alert{padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:14px}.alert-error{background:var(--danger-bg);color:var(--danger);border:1px solid #f6d5d5}.alert-info{background:#eff6ff;color:#1e40af;border:1px solid #dbeafe}.alert-warn{background:var(--warning-bg);color:var(--warning);border:1px solid #fde68a}.toast{position:fixed;top:18px;right:18px;z-index:80;display:flex;flex-direction:column;gap:8px}.toast .item{background:#111827;color:#fff;padding:10px 16px;border-radius:8px;font-size:13px;box-shadow:0 8px 24px #0000002e}.toast .item.err{background:#b91c1c}.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#eef3fb,#f7f9fc);padding:20px}.auth-card{width:100%;max-width:380px;background:#fff;border-radius:14px;padding:30px 28px;box-shadow:0 16px 40px #11182714}.auth-card h2{margin:0 0 6px;font-size:20px}.auth-card .sub{color:var(--muted);font-size:12.5px;margin-bottom:22px}.auth-switch{text-align:center;font-size:13px;color:var(--muted);margin-top:16px}.auth-switch button{border:none;background:none;color:var(--primary);cursor:pointer;font-size:13px;padding:0 2px}.empty{padding:40px;text-align:center;color:var(--muted);font-size:13px}.pager{display:flex;align-items:center;gap:10px;justify-content:flex-end;padding:12px 4px 0;font-size:12.5px;color:var(--muted)}.thumbs{display:flex;gap:10px;flex-wrap:wrap}.thumb{position:relative;width:104px;height:104px;border-radius:8px;overflow:hidden;border:1px solid var(--line)}.thumb img{width:100%;height:100%;object-fit:cover}.thumb .del{position:absolute;top:4px;right:4px;background:#111827b3;color:#fff;border:none;border-radius:4px;width:20px;height:20px;cursor:pointer;font-size:12px;line-height:1}.kv{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 24px}.kv .k{color:var(--muted);font-size:12.5px;margin-bottom:3px}.kv .v{font-size:14px}.dropzone{border:1.5px dashed #cdd6e3;border-radius:10px;padding:26px;text-align:center;color:var(--muted);cursor:pointer;background:#fbfcfe}.dropzone:hover{border-color:var(--primary);color:var(--primary)}.tabs{display:flex;gap:6px;margin-bottom:16px}.tabs button{padding:7px 14px;border-radius:8px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:13px}.tabs button.on{background:var(--primary);color:#fff;border-color:var(--primary)}@media (max-width: 880px){.layout{flex-direction:column}.sidebar{width:100%;flex:none;height:auto;position:static;flex-direction:row;flex-wrap:wrap;align-items:center;padding:8px 10px;gap:4px}.brand{padding:0 6px 0 2px;font-size:13px}.brand .dot{width:8px;height:8px}.nav{flex-direction:row;flex-wrap:wrap;gap:4px;flex:1 1 100%}.nav a{padding:6px 10px;font-size:12.5px}.sidebar-foot{border-top:none;padding-top:6px;margin-left:auto;flex-direction:row;align-items:center;gap:6px}.sidebar-user{display:none}.sidebar-foot .btn{padding:4px 8px;font-size:12px}.main{padding:14px 12px 32px}.page-head{margin-bottom:12px}.page-head h1{font-size:17px}.card{padding:14px}.stats{grid-template-columns:repeat(2,1fr);gap:10px}.stat{padding:12px 14px}.stat .value{font-size:21px}th,td{padding:9px 10px;font-size:12.5px}.modal{max-height:92vh}.auth-card{padding:22px 18px}}