:root{--bg:#f5f6f8;--surface:#fff;--border:#e3e6ea;--text:#1c2430;--text-muted:#6b7684;--primary:#2563eb;--primary-hover:#1d4fd7;--success:#16a34a;--warning:#d97706;--danger:#dc2626;--sidebar-bg:#101828;--sidebar-text:#98a2b3}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Segoe UI,system-ui,-apple-system,sans-serif;font-size:14px}.shell{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--sidebar-bg);color:var(--sidebar-text);display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0}.sidebar-brand{display:flex;align-items:center;gap:10px;padding:18px 16px;border-bottom:1px solid hsla(0,0%,100%,.06)}.brand-mark{background:var(--primary);color:#fff;font-weight:700;font-size:13px;padding:6px 8px;border-radius:8px}.brand-name{color:#fff;font-weight:600}.sidebar nav{padding:12px 8px;display:flex;flex-direction:column;gap:2px;flex:1 1}.nav-item{color:var(--sidebar-text);text-decoration:none;padding:9px 12px;border-radius:8px;font-weight:500}.nav-item:hover{color:#fff;background:hsla(0,0%,100%,.06)}.nav-item.active{color:#fff;background:var(--primary)}.sidebar-footer{padding:12px;border-top:1px solid hsla(0,0%,100%,.06)}.user-chip{display:flex;gap:10px;align-items:center;margin-bottom:10px}button.user-chip{width:100%;background:transparent;border:1px solid transparent;border-radius:8px;padding:6px 8px;margin:0 0 10px;text-align:left;cursor:pointer;transition:background .15s,border-color .15s}button.user-chip:hover{background:hsla(0,0%,100%,.08);border-color:hsla(0,0%,100%,.15)}button.user-chip:focus-visible{outline:2px solid var(--primary)}.user-avatar{width:32px;height:32px;border-radius:50%;background:#344054;display:flex;align-items:center;justify-content:center}.user-avatar,.user-name{color:#fff;font-weight:600}.user-name{font-size:13px}.user-role{font-size:11px}.main{flex:1 1;margin-left:220px;display:flex;flex-direction:column}.topbar{height:56px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 24px;position:-webkit-sticky;position:sticky;top:0;z-index:20}.topbar-title{font-weight:600;font-size:15px}.content{padding:24px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.page-title{font-size:20px;font-weight:700;margin:0}.page-subtitle{color:var(--text-muted);margin-top:4px}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px}.card-pad{padding:18px}.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid transparent;border-radius:8px;padding:8px 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16px;gap:0 16px}.table{width:100%;border-collapse:collapse}.table th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.03em;color:var(--text-muted);padding:10px 14px}.table td,.table th{border-bottom:1px solid var(--border)}.table td{padding:11px 14px}.table tr:last-child td{border-bottom:none}.table tbody tr:hover{background:#fafbfc}.table a{color:var(--primary);text-decoration:none;font-weight:500}.table a:hover{text-decoration:underline}.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:600}.badge-green{background:#ecfdf3;color:#067647}.badge-gray{background:#f2f4f7;color:#475467}.badge-orange{background:#fffaeb;color:#b54708}.badge-red{background:#fef3f2;color:#b42318}.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:14px}.toolbar .input{max-width:320px}.empty{padding:48px 24px;text-align:center;color:var(--text-muted)}.empty-title{font-weight:600;color:var(--text);margin-bottom:4px}.alert{padding:10px 14px;border-radius:8px;margin-bottom:14px;font-size:13px}.alert-error{background:#fef3f2;color:#b42318;border:1px solid #fecdca}.alert-info{background:#eff8ff;color:#175cd3;border:1px solid #b2ddff}.spinner{width:18px;height:18px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(1turn)}}.loading-row{display:flex;gap:10px;align-items:center;color:var(--text-muted);padding:20px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:14px;gap:14px;margin-bottom:22px}.stat-card{padding:16px 18px}.stat-label{color:var(--text-muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em}.stat-value{font-size:26px;font-weight:700;margin-top:6px}.tabs{display:flex;gap:2px;border-bottom:1px solid var(--border);margin-bottom:18px}.tab{padding:9px 16px;cursor:pointer;background:none;font-size:14px;font-weight:500;color:var(--text-muted);border:none;border-bottom:2px solid transparent;margin-bottom:-1px}.tab:hover{color:var(--text)}.tab.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}.modal-overlay{position:fixed;inset:0;background:rgba(16,24,40,.5);display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:#fff;border-radius:12px;width:520px;max-width:94vw;max-height:88vh;overflow:auto;box-shadow:0 20px 50px rgba(16,24,40,.25)}.modal-head{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--border)}.modal-title{font-weight:700;font-size:15px}.modal-body{padding:20px}.modal-close{border:none;background:none;font-size:20px;cursor:pointer;color:var(--text-muted);line-height:1;padding:4px}.side-panel{position:fixed;top:0;right:0;bottom:0;width:440px;max-width:96vw;background:#fff;z-index:100;box-shadow:-12px 0 40px rgba(16,24,40,.18);display:flex;flex-direction:column}.side-panel-head{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.side-panel-body{padding:20px;overflow:auto;flex:1 1}.kv{display:grid;grid-template-columns:140px 1fr;grid-row-gap:8px;row-gap:8px;margin-bottom:16px}.kv dt{color:var(--text-muted)}.kv dd{margin:0;font-weight:500}.map-wrap{overflow:auto;padding:18px}.map-grid{position:relative;background:#fafbfc;border-radius:8px}.map-row-label{position:-webkit-sticky;position:sticky;left:0;color:var(--text-muted);font-weight:600;font-size:12px}.map-cell,.map-row-label{display:flex;align-items:center;justify-content:center}.map-cell{border:1.5px solid var(--border);border-radius:6px;flex-direction:column;cursor:pointer;transition:box-shadow .12s,transform .12s;background:#fff;position:relative;min-width:84px;height:64px;-webkit-user-select:none;-moz-user-select:none;user-select:none}.map-cell:hover{box-shadow:0 0 0 2px rgba(37,99,235,.4);z-index:5}.map-cell.filled{background:#eff8ff;border-color:#84caff}.map-cell.reserved{background:#fffaeb;border-color:#fdb022}.map-cell.dimmed{opacity:.25}.map-cell.highlight{box-shadow:0 0 0 3px #f79009,0 0 14px rgba(247,144,9,.65);border-color:#f79009;z-index:6}.map-cell-code{font-weight:700;font-size:11.5px;color:var(--text)}.map-cell-meta{font-size:10.5px;color:var(--text-muted);margin-top:2px}.map-cell-dot{position:absolute;top:6px;right:6px;width:8px;height:8px;border-radius:50%}.dot-reserved{background:var(--warning)}.map-legend{display:flex;gap:18px;margin-bottom:12px;font-size:13px;color:var(--text-muted);align-items:center}.legend-swatch{display:inline-block;width:14px;height:14px;border-radius:4px;vertical-align:-2px;margin-right:6px;border:1px solid var(--border)}.inv-line{display:flex;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px solid var(--border)}.inv-line:last-child{border-bottom:none}.inv-qty{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(160deg,#101828,#1d2939 60%,#1849a9 130%)}.login-card{width:400px;max-width:92vw}.login-brand{text-align:center;margin-bottom:22px}.login-brand .brand-mark{display:inline-block;font-size:15px;padding:10px 14px}.login-brand-title{color:#fff;font-size:20px;font-weight:700;margin-top:12px}.login-brand-sub{color:#98a2b3;font-size:13px;margin-top:4px}.mobile-menu-trigger{display:none;background:transparent;border:none;padding:8px;cursor:pointer;margin-right:12px;flex-direction:column;gap:4px}.hamburger-bar{display:block;width:20px;height:2.5px;background:var(--text);border-radius:2px}.mobile-close-btn{display:none;background:transparent;border:none;color:var(--sidebar-text);font-size:18px;padding:4px 8px;cursor:pointer;margin-left:auto}.mobile-backdrop,.mobile-topbar-badge{display:none}.table-responsive{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}@media (max-width:768px){.shell{flex-direction:column}.sidebar{transform:translateX(-100%);transition:transform .25s cubic-bezier(.4,0,.2,1);z-index:1000;width:280px;box-shadow:10px 0 25px rgba(0,0,0,.4)}.sidebar.open{transform:translateX(0)}.mobile-close-btn{display:block}.mobile-backdrop{display:block;position:fixed;inset:0;background:rgba(16,24,40,.6);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:999}.main{margin-left:0;width:100%}.topbar{padding:0 16px}.mobile-menu-trigger{display:flex}.mobile-topbar-badge{display:inline-block;margin-left:auto}.content{padding:16px}.page-header{flex-direction:column;align-items:flex-start;gap:12px}.page-header>div:last-child{width:100%;display:flex;flex-wrap:wrap;gap:8px}.toolbar{flex-direction:column;align-items:stretch}.toolbar .input{max-width:100%}.form-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr;gap:10px}.stat-card{padding:12px 14px}.stat-value{font-size:20px}.card{overflow-x:auto;-webkit-overflow-scrolling:touch}.table td,.table th{padding:8px 10px;font-size:13px;white-space:nowrap}.btn{min-height:40px;padding:8px 14px}.input,.select{min-height:40px;font-size:15px}.tabs{overflow-x:auto;-webkit-overflow-scrolling:touch;white-space:nowrap}.modal{width:95vw;margin:12px}.side-panel{width:100vw}}