:root{--ink:#1d2939;--muted:#667085;--line:#e4e7ec;--page:#f7f8fb;--card:#fff;--brand:#2563eb;--brand-dark:#1d4ed8;--danger:#b42318;--radius:16px}*{box-sizing:border-box}body{margin:0;background:var(--page);color:var(--ink);font:15px/1.5 system-ui,-apple-system,"Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}.app-header{height:58px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:2}.brand{font-weight:800;font-size:18px;color:var(--brand-dark)}.user-name{color:var(--muted);font-size:14px}.tab-bar{display:flex;gap:4px;overflow-x:auto;padding:8px 12px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:58px;z-index:1}.tab-bar a{padding:8px 12px;border-radius:9px;white-space:nowrap;color:var(--muted)}.tab-bar a:hover{background:#eef4ff;color:var(--brand-dark)}.page-shell{width:min(100%,760px);margin:auto;padding:20px 16px 36px}.page-heading,.card-top,.device-hero{display:flex;align-items:center;justify-content:space-between;gap:12px}.eyebrow{margin:0 0 4px;color:var(--brand);font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}h1{font-size:26px;line-height:1.2;margin:0}h2{font-size:18px;margin:0 0 14px}.muted,.form-footer{color:var(--muted)}.flash{padding:12px 14px;background:#eaf2ff;color:#1849a9;border-radius:12px}.search-bar,.inline-form{display:flex;gap:8px;margin:18px 0}.search-bar input,.inline-form input{min-width:0;flex:1}.device-grid{display:grid;gap:12px}.device-card,.panel,.auth-card,.device-hero{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:0 1px 2px #1018280a}.device-card{transition:transform .15s,box-shadow .15s}.device-card:hover{transform:translateY(-2px);box-shadow:0 8px 20px #10182812}.device-card strong,.device-card .muted{display:block;margin-top:8px}.asset-no{margin:0;color:var(--muted);font-size:13px;font-weight:700}.status{font-size:12px;font-weight:700;padding:4px 8px;border-radius:999px;background:#eef2f6;color:#475467}.status-in_stock{background:#e8f7ee;color:#067647}.status-borrowed{background:#fff4e5;color:#b54708}.status-maintenance{background:#eef4ff;color:#175cd3}.status-lost{background:#fef3f2;color:var(--danger)}.device-hero{display:grid;grid-template-columns:1fr auto;margin:12px 0}.device-hero dl{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:4px 0 0}.device-hero dt{font-size:12px;color:var(--muted)}.device-hero dd{margin:2px 0 0;font-weight:700}.panel{margin-top:14px}.stack-form{display:grid;gap:12px}.stack-form label{display:grid;gap:6px;font-weight:600}input,textarea,select,button{font:inherit}input,textarea,select{width:100%;border:1px solid #cfd4dc;border-radius:10px;padding:11px;background:#fff;color:var(--ink)}textarea{min-height:76px;resize:vertical}input:focus,textarea:focus,select:focus{outline:3px solid #dbeafe;border-color:var(--brand)}button{border:0;border-radius:10px;background:var(--brand);color:#fff;font-weight:700;padding:11px 15px;cursor:pointer}button:hover{background:var(--brand-dark)}.button-secondary{background:#eef2f6;color:#344054}.button-secondary:hover{background:#dfe5ed}.auth-card{width:min(100%,420px);margin:8vh auto}.back-link{display:inline-block;color:var(--brand);font-weight:700;margin-bottom:14px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:10px 8px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}th{color:var(--muted);font-size:12px}.empty-state{padding:24px;text-align:center;color:var(--muted)}@media(min-width:720px){.page-shell{padding:28px 24px}.device-grid{grid-template-columns:repeat(2,1fr)}.app-header{padding:0 calc((100% - 760px)/2 + 24px)}.tab-bar{justify-content:center}.auth-card{margin-top:12vh}}
.status-change-form select{width:150px;flex:none}