:root{--bg: #f4f6f8;--panel: #ffffff;--border: #e2e6ea;--text: #1f2933;--muted: #6b7683;--accent: #0b74de;--danger: #c0392b;font-family:Inter,Segoe UI,system-ui,sans-serif;color:var(--text)}*{box-sizing:border-box}body{margin:0;background:var(--bg)}.layout{max-width:1600px;margin:0 auto;padding:24px}.app-header h1{margin:0;font-size:22px}.app-header p{margin:4px 0 16px;color:var(--muted);font-size:14px}.columns{display:grid;grid-template-columns:300px minmax(420px,1fr);gap:16px;align-items:start}@media(max-width:1200px){.columns{grid-template-columns:1fr}}.column{display:flex;flex-direction:column;gap:16px;min-width:0}.panel{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px}.panel-header{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:12px}.panel-header h2{margin:0;font-size:15px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}.badge{background:var(--accent);color:#fff;border-radius:10px;font-size:12px;padding:1px 8px}.model-list,.cart-list{list-style:none;margin:0 0 12px;padding:0;display:flex;flex-direction:column;gap:8px}.model-row,.cart-row{display:flex;justify-content:space-between;align-items:center;gap:8px;border:1px solid var(--border);border-radius:8px;padding:8px 10px;cursor:pointer}.model-row.selected{border-color:var(--accent);box-shadow:0 0 0 2px #0b74de1f}.model-row-main,.cart-row>div:first-child{display:flex;flex-direction:column;min-width:0}.model-name{font-size:13px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.model-meta{font-size:11px;color:var(--muted)}.cart-row-right{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600}.icon-button{border:none;background:transparent;color:var(--muted);cursor:pointer;font-size:13px;padding:2px 4px}.icon-button:hover{color:var(--danger)}.dropzone{display:flex;flex-direction:column;align-items:center;gap:4px;border:1px dashed #b6c2cd;border-radius:8px;padding:16px;cursor:pointer;text-align:center}.dropzone input{display:none}.dropzone-label{color:var(--accent);font-weight:600;font-size:13px}.dropzone-hint{font-size:11px;color:var(--muted)}.viewer{position:relative;background:var(--panel);border:1px solid var(--border);border-radius:10px;overflow:hidden;height:620px}.viewer-canvas{width:100%;height:100%}.viewer-empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:14px;pointer-events:none}.viewer-reset{position:absolute;right:12px;bottom:12px;background:#fff;border:1px solid var(--border);border-radius:6px;padding:6px 12px;font-size:12px;cursor:pointer}.geometry-card{background:#fff;border:1px solid var(--border);border-radius:8px;padding:14px 16px}.geometry-name{margin:0 0 8px;font-size:15px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.geometry-row{margin:4px 0;font-size:14px;font-weight:600}.geometry-label{color:var(--muted);font-weight:600}.unit-select{padding:2px 4px;font-size:12px;color:var(--accent, #1a73e8)}.geometry-warning{margin:8px 0 0;font-size:12px;color:#b26a00}.checkbox{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--muted)}.field{display:flex;flex-direction:column;gap:4px;margin-bottom:12px}.field label{font-size:12px;color:var(--muted)}select,input[type=number]{border:1px solid var(--border);border-radius:6px;padding:8px;font-size:13px;background:#fff;color:var(--text)}.hint{font-size:11px;color:var(--muted);margin:4px 0 0}.metrics{display:grid;grid-template-columns:1fr;gap:6px;margin:12px 0 0;font-size:12px}.metrics>div{display:flex;justify-content:space-between;gap:8px}.metrics dt{color:var(--muted)}.metrics dd{margin:0;font-weight:600}.quantity-row{display:flex;gap:8px;margin-bottom:12px}.stepper{display:flex;align-items:center;border:1px solid var(--border);border-radius:6px;overflow:hidden}.stepper button{border:none;background:#f7f9fa;width:32px;height:36px;cursor:pointer;font-size:16px}.stepper input{width:56px;border:none;text-align:center}.priority-select{flex:1}.section-title{font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:16px 0 8px}.price-lines{margin:0;display:flex;flex-direction:column;gap:6px;font-size:13px}.price-line{display:flex;justify-content:space-between;gap:8px}.price-line dt{color:var(--muted)}.price-line dd{margin:0}.total-row{display:flex;justify-content:space-between;border-top:1px solid var(--border);margin-top:10px;padding-top:10px;font-size:16px;font-weight:700}.bulk-table{width:100%;border-collapse:collapse;font-size:12px;margin-bottom:12px}.bulk-table th,.bulk-table td{border-bottom:1px solid var(--border);padding:5px 4px;text-align:right}.bulk-table th:first-child,.bulk-table td:first-child{text-align:left}.bulk-table tr.active td{font-weight:700;color:var(--accent)}.warnings{margin:10px 0 0;padding-left:18px;font-size:12px;color:#a35b00}.primary-button{width:100%;margin-top:14px;background:var(--accent);color:#fff;border:none;border-radius:6px;padding:10px;font-size:14px;font-weight:600;cursor:pointer}.primary-button:hover{background:#0a63bd}.link-button{background:none;border:none;color:var(--accent);font-size:12px;cursor:pointer;padding:0}.error-banner{display:flex;justify-content:space-between;gap:12px;background:#fdecea;border:1px solid #f5c6c2;color:#8c2019;border-radius:8px;padding:10px 12px;margin-bottom:16px;font-size:13px}.loading-screen{display:flex;align-items:center;justify-content:center;height:100vh;color:var(--muted)}.error{color:var(--danger)}.admin{max-width:1600px;margin:0 auto;padding:24px}.admin-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.admin-header h1{margin:0;font-size:22px}.admin-header p{margin:4px 0 0;color:var(--muted);font-size:13px}.admin-actions{display:flex;align-items:center;gap:12px;font-size:13px}.admin-general{display:flex;flex-wrap:wrap;gap:16px;background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:14px 16px;margin:16px 0}.admin-general label,.admin-login label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted)}.admin-tabs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}.admin-tabs button{background:var(--panel);border:1px solid var(--border);border-radius:999px;padding:6px 14px;font-size:13px;cursor:pointer}.admin-tabs button.active{background:var(--accent);border-color:var(--accent);color:#fff}.admin-table-wrap{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:12px;overflow-x:auto}.admin-table{border-collapse:collapse;width:100%;font-size:12px}.admin-table th{text-align:left;color:var(--muted);font-weight:600;padding:4px 6px;white-space:nowrap}.admin-table td{padding:2px 6px}.admin-table input{width:100%;min-width:90px;border:1px solid var(--border);border-radius:4px;padding:5px 6px;font:inherit}.admin-table input.num,.admin-general input.num{text-align:right}.admin-remove,.admin-add{background:none;border:none;color:var(--muted);cursor:pointer;font-size:12px}.admin-add{color:var(--accent);margin-top:8px}.admin-save{margin:16px 0}.admin-save button,.admin-login button,.admin-actions button{background:var(--accent);color:#fff;border:none;border-radius:6px;padding:9px 18px;font-size:13px;cursor:pointer}.admin-actions button{background:none;color:var(--accent);padding:4px 8px}.admin-login{max-width:320px;margin:12vh auto;background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:24px;display:flex;flex-direction:column;gap:14px}.admin-login h1{margin:0;font-size:20px}.admin-login input{border:1px solid var(--border);border-radius:6px;padding:8px 10px;font:inherit}.admin-error{color:var(--danger);font-size:13px;margin:0}.admin-status{color:#1c7c3f;font-size:13px}