:root{--bg: #f5f7fa;--panel: #ffffff;--ink: #17202a;--muted: #657386;--line: #dce3eb;--primary: #0f766e;--primary-dark: #0b5f58;--secondary: #315b8c;--danger: #a53232;--warn-bg: #fff7e8;--shadow: 0 12px 30px rgba(23, 32, 42, .08)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,Helvetica,sans-serif}a{color:inherit}button,input,select,textarea{font:inherit}.topbar{position:sticky;top:0;z-index:10;display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:center;padding:10px clamp(14px,4vw,36px);background:#f5f7faf0;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.brand{display:inline-flex;align-items:center;gap:9px;font-weight:800;text-decoration:none;white-space:nowrap}.brand-logo{width:32px;height:32px;border-radius:6px;object-fit:contain}.menu-toggle{display:none;width:42px;min-height:38px;justify-self:end;padding:0;gap:4px;flex-direction:column}.menu-toggle span{width:18px;height:2px;border-radius:2px;background:var(--ink)}.menu-panel{display:flex;min-width:0;gap:12px;align-items:center;justify-content:space-between}.nav{display:flex;flex-wrap:wrap;gap:8px}.nav a,.button,button{min-height:38px;display:inline-flex;align-items:center;justify-content:center;padding:0 12px;border:1px solid var(--line);border-radius:8px;background:#fff;text-decoration:none;cursor:pointer}.logout-form{margin:0}.nav a.active{border-color:var(--primary);background:#e5f4f2;color:var(--primary-dark)}.page{width:min(1180px,calc(100% - 28px));margin:24px auto 56px}.page-head{display:flex;justify-content:space-between;gap:18px;align-items:center;margin-bottom:18px}h1,h2,h3,p{margin-top:0}h1{margin-bottom:4px;font-size:28px}h2{font-size:20px}h3{font-size:16px}p,.muted{color:var(--muted)}.panel,.metric,.notice{background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}.panel{padding:18px}.notice{margin-bottom:16px;padding:12px 14px}.notice.error{border-color:#e8b6b6;background:#fff1f1}.metrics{display:grid;grid-template-columns:repeat(4,minmax(140px,1fr));gap:12px;margin-bottom:18px}.metric{padding:16px}.metric span{display:block;color:var(--muted);font-size:13px}.metric strong{display:block;margin-top:8px;font-size:28px}.panel-head,.toolbar{display:flex;gap:10px;align-items:center;justify-content:space-between;margin-bottom:14px}.form-grid{display:grid;gap:14px}.two-column,.two-column-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:start}.three-column-fields{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}label{display:grid;gap:7px;color:var(--muted);font-size:13px}input,select,textarea{width:100%;min-height:42px;padding:10px 11px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink)}textarea{resize:vertical}input:focus,select:focus,textarea:focus,button:focus-visible,.button:focus-visible{outline:3px solid rgba(15,118,110,.18);border-color:var(--primary)}.inline-field{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}.check{display:flex;align-items:center;gap:8px}.check input{width:auto;min-height:auto}.compact-check{color:var(--ink)}.primary{border-color:var(--primary);background:var(--primary);color:#fff;font-weight:700}.primary:hover{background:var(--primary-dark)}.secondary{border-color:var(--secondary);background:#edf4fb;color:#234f80;font-weight:700}.ghost{background:#fff;color:var(--ink)}.danger{border-color:var(--danger);background:var(--danger)}.danger-zone{grid-column:1 / -1;border-color:#e8b6b6;background:snow}.tile-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;margin-bottom:18px}.tile-form{min-width:0}.quick-tile{width:100%;min-height:132px;display:grid;align-content:space-between;justify-items:start;gap:8px;padding:14px;border-color:var(--tile-color);background:var(--tile-color);color:#fff;text-align:left;box-shadow:var(--shadow)}.quick-tile strong{font-size:18px;line-height:1.2}.quick-tile span,.quick-tile small{color:#ffffffe6}.tile-number{padding:3px 7px;border-radius:999px;background:#ffffff2e;font-weight:800}.empty-state{grid-column:1 / -1}.tile-editor{padding:12px;border:1px solid var(--line);border-radius:8px;background:#fff}.tile-editor summary{display:flex;justify-content:space-between;gap:10px;cursor:pointer;font-weight:700}.tile-editor form{margin-top:12px}.auth-shell{min-height:65vh;display:grid;place-items:center}.auth-panel{width:min(420px,100%)}.scanner-box{display:grid;gap:10px;padding:10px;border-radius:8px;background:#111827}.scanner-box video{width:100%;aspect-ratio:16 / 10;border-radius:6px;object-fit:cover;background:#111827}.scanner-box p{margin:0;color:#d1d5db}@media (min-width: 921px){.scanner-box{width:min(100%,460px);justify-self:start}}.table-wrap{width:100%;overflow-x:auto}table{width:100%;min-width:760px;border-collapse:collapse}th,td{padding:11px 9px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{color:var(--muted);font-size:12px;text-transform:uppercase}.numeric{text-align:right;font-variant-numeric:tabular-nums}.low-stock{background:#fff2d7}.low-stock td:first-child{border-left:4px solid #c76a17}.stock-warning{display:inline-flex;align-items:center;min-height:22px;margin-left:8px;padding:0 8px;border:1px solid #d28a22;border-radius:999px;background:#fff8e8;color:#8a4a0f;font-size:12px;font-weight:700;white-space:nowrap}.plain-list{padding-left:18px}.stack{display:grid;gap:12px}.edit-row{display:grid;grid-template-columns:1fr 1.4fr auto auto;gap:8px;align-items:center}.pagination{margin-top:16px}@media (max-width: 920px){.topbar{grid-template-columns:1fr auto;gap:10px;padding:8px 10px}.menu-toggle{display:inline-flex}.menu-panel{grid-column:1 / -1;display:none;gap:10px;padding-top:8px;border-top:1px solid var(--line)}.menu-panel.open{display:grid}.nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.nav a,.logout-form button,.logout-form{width:100%}.metrics,.two-column,.two-column-fields,.three-column-fields{grid-template-columns:1fr}.page-head,.panel-head,.toolbar{align-items:stretch;flex-direction:column}.edit-row{grid-template-columns:1fr}}@media (max-width: 520px){.page{width:min(100% - 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