:root{--bg:#f4f6f8;--surface:#ffffff;--surface-2:#eef2f6;--ink:#18202a;--muted:#657180;--border:#dbe1e8;--red:#c8192e;--red-strong:#a91425;--blue:#1f6e8c;--green:#2f7d57;--amber:#b56a14;--shadow:0 16px 36px rgba(20,28,38,0.08)}*{box-sizing:border-box}body,html{max-width:100%;overflow-x:hidden}body{margin:0;min-height:100vh;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;letter-spacing:0}button,input,select,textarea{font:inherit}button{border:1px solid var(--red);background:var(--red);color:#fff;border-radius:7px;padding:10px 13px;font-size:13px;font-weight:760;cursor:pointer;line-height:1.25;white-space:normal}button:hover{background:var(--red-strong);border-color:var(--red-strong)}button:disabled{cursor:not-allowed;opacity:.45}button:disabled:hover{background:var(--red);border-color:var(--red)}button.secondary{background:#fff;color:var(--red)}button.secondary:hover{background:#fff6f7}button.secondary:disabled:hover{background:#fff;border-color:var(--red)}button.ghost{border-color:var(--border);background:#fff;color:var(--ink)}input,select,textarea{width:100%;border:1px solid var(--border);border-radius:7px;background:#fff;color:var(--ink);padding:10px 11px;font-size:14px;line-height:1.35}textarea{min-height:96px;resize:vertical}label{grid-gap:7px;gap:7px;color:var(--muted);font-size:12px;font-weight:760}.app,label{display:grid}.app{min-height:100vh;width:100%;max-width:100vw;overflow-x:hidden;grid-template-columns:248px 1fr}.app *,.app :after,.app :before,.sidebar{min-width:0}.sidebar{border-right:1px solid var(--border);background:#0e1722;color:#fff;padding:22px 16px;display:flex;flex-direction:column;gap:18px}.brand{display:grid;grid-gap:5px;gap:5px}.brand strong{font-size:18px;line-height:1.12}.brand span{color:#aeb8c5;font-size:12px}.nav{display:grid;grid-gap:5px;gap:5px}.nav button{text-align:left;border:1px solid transparent;background:transparent;color:#d7dee7;padding:10px 11px}.nav button.active{border-color:rgba(255,255,255,.16);background:rgba(255,255,255,.1);color:#fff}.main{max-width:100%;flex-direction:column}.main,.topbar{min-width:0;display:flex}.topbar{height:76px;width:100%;justify-content:space-between;align-items:center;padding:0 28px;border-bottom:1px solid var(--border);background:var(--surface)}.topbar h1{margin:0;font-size:23px;line-height:1.15}.topbar p{margin:4px 0 0;color:var(--muted);font-size:13px}.gateway{display:grid;grid-gap:4px;gap:4px;justify-items:end;color:var(--muted);font-size:12px}.gateway strong{color:var(--green)}.content{padding:24px 28px;min-width:0;max-width:100%}.dashboard-grid{display:grid;width:100%;max-width:100%;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:14px;gap:14px;margin-bottom:20px}.card,.panel{background:var(--surface);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow)}.card{padding:16px;display:grid;grid-gap:8px;gap:8px;width:100%;min-width:0;overflow:visible;white-space:normal}.card h3,.panel h2,.panel h3{margin:0;min-width:0;max-width:100%}.card h3{font-size:15px}.card p{margin:0;min-width:0;max-width:100%;color:var(--muted);font-size:13px;line-height:1.45;overflow-wrap:anywhere;word-break:break-word}.workspace{display:grid;grid-template-columns:minmax(320px,.82fr) minmax(480px,1.3fr) minmax(260px,.62fr);grid-gap:18px;gap:18px}.workspace.two-column{grid-template-columns:minmax(320px,.72fr) minmax(520px,1.28fr)}.panel{padding:18px;min-width:0;max-width:100%}.panel-header{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:16px}.panel-header.inline-header{margin-top:8px;margin-bottom:0}.panel-header p{margin:4px 0 0;color:var(--muted);font-size:13px}.badge{display:inline-flex;align-items:center;border-left:3px solid var(--green);background:var(--surface-2);color:var(--muted);padding:6px 8px;border-radius:6px;font-size:12px;font-weight:760;max-width:100%;white-space:normal}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.form-grid,.stack{display:grid;grid-gap:12px;gap:12px}.actions{display:flex;gap:10px;flex-wrap:wrap}.upload-zone{border:1px dashed #aab5c2;border-radius:8px;padding:14px;background:#fbfcfe;color:var(--muted);font-size:13px;display:grid;grid-gap:8px;gap:8px}.reference-uploader{gap:12px}.reference-preview{min-height:136px;border:1px solid var(--border);border-radius:8px;background:#fff;display:grid;place-items:center;overflow:hidden;color:var(--muted)}.reference-preview img{display:block;width:100%;max-height:220px;object-fit:contain}input[type=file]{padding:8px;min-height:42px}.preview-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:14px;gap:14px}.preview{min-height:255px;border:1px solid var(--border);border-radius:8px;background:#f8fafc;overflow:hidden;display:grid;align-items:center;justify-items:center;padding:12px;color:var(--muted)}.preview img{max-width:100%;max-height:245px;border-radius:6px;object-fit:contain}.vehicle-preview{min-height:290px;gap:9px;text-align:center}.vehicle-preview img{max-height:270px}.vehicle-template-art{position:relative;width:min(100%,310px);aspect-ratio:1.45;margin:0 auto 4px}.vehicle-roof{position:absolute;left:12%;top:21%;width:63%;height:24%;border:3px solid #cfd8e3;border-bottom:0;border-radius:28px 42px 0 0;background:#fff}.vehicle-body{position:absolute;left:6%;right:6%;top:39%;height:35%;border:3px solid #cfd8e3;border-radius:14px;background:#e8eef5}.vehicle-window{position:absolute;top:28%;height:16%;border-radius:6px;background:#273647;z-index:1}.vehicle-window.first{left:18%;width:18%}.vehicle-window.second{left:41%;width:23%}.vehicle-stripe{position:absolute;left:8%;right:8%;top:54%;height:14%;border-radius:5px;background:linear-gradient(90deg,var(--red) 0 66%,var(--blue) 66% 100%);z-index:2}.vehicle-wheel{position:absolute;top:65%;width:18%;aspect-ratio:1;border-radius:50%;background:#1d2430;z-index:3}.vehicle-wheel:after{content:"";position:absolute;inset:29%;border-radius:50%;background:#dbe1e8}.vehicle-wheel.left{left:18%}.vehicle-wheel.right{right:16%}.concept-watermark{margin-top:12px;border:1px solid #f1c7cd;background:#fff6f7;color:#7b1623;border-radius:8px;padding:12px;font-size:13px;line-height:1.4}.check-item,.line-item,.version-row{border:1px solid var(--border);border-radius:7px;padding:10px;background:#fbfcfe;font-size:13px}.line-item strong,.version-row strong{display:block;margin-bottom:4px}.right-rail{display:grid;grid-gap:14px;gap:14px}.metric{display:grid;grid-gap:5px;gap:5px;border-left:3px solid var(--blue);padding:10px 12px;background:#eef7fa;border-radius:7px;font-size:13px}.metric strong{font-size:20px;color:var(--blue)}.result-text{white-space:pre-wrap;overflow:auto;max-height:310px;border:1px solid var(--border);border-radius:8px;background:#fbfcfe;padding:12px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:12px;line-height:1.5}.result-text.ai-answer{min-height:340px;max-height:560px;font-family:inherit;font-size:14px;line-height:1.55}@media (max-width:1180px){.app{width:100vw;grid-template-columns:1fr}.app,.sidebar{max-width:100vw}.sidebar{position:-webkit-sticky;position:sticky;top:0;z-index:3;width:100%;min-width:0;flex-direction:row;align-items:center;overflow-x:hidden}.nav{display:flex;flex:1 1 auto;min-width:0;max-width:100%;overflow-x:auto}.nav button{flex:0 0 auto;white-space:nowrap}.workspace{width:100%;max-width:100%;grid-template-columns:1fr;min-width:0}.dashboard-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:720px){.app,.content,.main,.sidebar,.topbar{width:100vw;max-width:100vw}.sidebar{align-items:flex-start;gap:12px;padding:18px 16px}.brand{flex:0 0 118px}.nav{max-width:calc(100vw - 150px)}.topbar{height:auto;align-items:start;flex-direction:column;padding:18px}.content{padding:16px}.dashboard-grid,.form-grid,.preview-grid{grid-template-columns:1fr}.dashboard-grid{display:flex;flex-direction:column}.dashboard-grid .card,.panel{width:100%;max-width:calc(100vw - 32px)}.card h3,.card p,.check-item,.line-item,.panel-header p,.topbar p,.upload-zone{overflow-wrap:anywhere}}