:root{--bg:#f4f6f9;--panel:#fff;--border:#dde3ea;--text:#1c2733;--muted:#5c6b7a;--accent:#1565c0;--accent-dark:#0d47a1;--danger:#c62828;--radius:8px;font-family:Segoe UI,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-size:14px}.page{max-width:960px;margin:0 auto;padding:24px 16px 64px}.page--wide{max-width:1200px}.page--center{place-items:center;min-height:100vh;display:grid}.topbar{border-bottom:1px solid var(--border);align-items:center;gap:16px;margin-bottom:20px;padding:12px 0;display:flex}.topbar .muted{margin-left:auto}h1{font-size:22px}h2{margin:8px 0;font-size:17px}h3{margin:0;font-size:15px}.muted{color:var(--muted)}.small{font-size:12px}.card,.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:16px;padding:16px}.grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;display:grid}.shipment-card{cursor:pointer;transition:box-shadow .15s}.shipment-card:hover{box-shadow:0 2px 12px #1565c026}.row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.row-between{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin:12px 0;display:flex}button{border:1px solid var(--border);background:var(--panel);cursor:pointer;color:var(--text);border-radius:6px;padding:7px 14px;font-size:13px}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:hover{background:var(--accent-dark)}button.primary:disabled{opacity:.6;cursor:default}button.ghost{background:0 0}button.danger{color:var(--danger);border-color:var(--danger)}a.ghost-link{border:1px solid var(--border);background:var(--panel);color:var(--text);border-radius:6px;padding:7px 14px;font-size:13px;text-decoration:none;display:inline-block}a.ghost-link:hover{background:#f0f4f8}input,select{border:1px solid var(--border);color:var(--text);background:#fff;border-radius:6px;padding:7px 10px;font-size:13px}label{color:var(--muted);flex-direction:column;gap:4px;margin-bottom:8px;font-size:12px;display:flex}label input,label select{color:var(--text);font-size:13px}.form-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;display:grid}.alert{color:var(--danger);border-radius:var(--radius);background:#fdecea;border:1px solid #f5c6c2;margin-bottom:12px;padding:10px 14px}.notice{color:var(--accent-dark);border-radius:var(--radius);background:#e8f4fd;border:1px solid #b8dcf7;margin-bottom:12px;padding:10px 14px}.auth-card{flex-direction:column;gap:8px;width:340px;display:flex}.auth-card h1{margin-bottom:0}table.items{border-collapse:collapse;width:100%;margin-bottom:10px}table.items th,table.items td{border-bottom:1px solid var(--border);text-align:left;padding:6px 8px;font-size:13px}table.items input{width:100%;min-width:60px;padding:5px 8px}.add-row{gap:6px}.add-row input{width:90px}.add-row input:first-child{flex:1;width:160px}code{background:#eef1f5;border-radius:4px;padding:1px 5px;font-size:12px}.viewer{flex-direction:column;gap:10px;display:flex}.viewer-tabs{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.chip{border-radius:999px;padding:5px 12px;font-size:12px}.chip--active{background:var(--accent);border-color:var(--accent);color:#fff}.step-toggle{flex-direction:row;align-items:center;gap:6px;margin-left:auto}.canvas-wrap{border-radius:var(--radius);border:1px solid var(--border);background:#10161d;height:520px;position:relative;overflow:hidden}.label-3d{color:#eef3f8;white-space:nowrap;pointer-events:none;background:#0c121aeb;border-radius:4px;padding:4px 8px;font-size:11px}.step-bar{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);align-items:center;gap:12px;padding:10px 14px;display:flex}.step-info{flex-direction:column;flex:1;gap:2px;display:flex}.detail-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);align-items:center;gap:12px;padding:10px 14px;display:flex}.hidden-input{display:none}ul.key-list{margin:0 0 12px;padding:0;list-style:none}ul.key-list li{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:8px 0;display:flex}.mode-row{margin-bottom:10px}.pallet-picker{grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:6px;margin-top:4px;display:grid}.pallet-option{border:1px solid var(--border);cursor:pointer;color:var(--text);background:#fff;border-radius:6px;flex-direction:row;align-items:center;gap:6px;margin:0;padding:6px 8px;font-size:13px}.pallet-option:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}.checkbox-row{color:var(--text);flex-direction:row;align-items:center;gap:8px;margin:10px 0 0;font-size:13px}.custom-uld{margin-bottom:12px}.custom-uld .form-grid{margin:10px 0}.slope-row{border:1px dashed var(--border);border-radius:6px;align-items:flex-end;margin-bottom:8px;padding:8px}.slope-row label{min-width:120px;margin-bottom:0}