:root{--bg: #f4f6f8;--card: #ffffff;--ink: #1c2430;--muted: #6b7785;--line: #d9e0e7;--brand: #2563eb;--brand-ink: #ffffff;--ok: #16a34a;--err: #dc2626;--radius: 14px}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}.app{max-width:920px;margin:0 auto;padding:20px 16px 64px}header.bar{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:8px}header.bar h1{font-size:22px;margin:0}header.bar .sub{color:var(--muted);font-size:14px}.steps{display:flex;gap:8px;margin:16px 0 20px}.steps .step{flex:1;text-align:center;padding:10px 6px;border-radius:10px;background:#e9eef3;color:var(--muted);font-size:14px;font-weight:600}.steps .step.active{background:var(--brand);color:var(--brand-ink)}.steps .step.done{background:#cfe8d6;color:#15602f}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:16px}.card h2{margin:0 0 14px;font-size:18px}.label{font-size:13px;color:var(--muted);margin:14px 0 6px;font-weight:600}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}.tile{border:2px solid var(--line);border-radius:12px;padding:14px;cursor:pointer;background:#fff;text-align:left;font:inherit;transition:border-color .12s,box-shadow .12s}.tile:hover{border-color:#b9c4cf}.tile.selected{border-color:var(--brand);box-shadow:0 0 0 3px #2563eb26}.tile .name{font-weight:600}.swatch{height:46px;border-radius:8px;border:1px solid rgba(0,0,0,.12);margin-bottom:8px}input,select{width:100%;padding:12px;font-size:16px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px}button{font:inherit;cursor:pointer}.btn{padding:14px 22px;border-radius:12px;border:none;font-weight:700;font-size:16px}.btn.primary{background:var(--brand);color:var(--brand-ink)}.btn.primary:disabled{background:#9db8f3;cursor:not-allowed}.btn.ghost{background:#eef2f6;color:var(--ink)}.btn.danger{background:#fee2e2;color:var(--err)}.actions{display:flex;justify-content:space-between;gap:12px;margin-top:8px}.item-card{border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:12px;position:relative}.item-card .remove{position:absolute;top:10px;right:10px;padding:6px 12px;border-radius:8px;font-size:13px}.errors{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;border-radius:10px;padding:12px 14px;margin:12px 0}.errors ul{margin:6px 0 0;padding-left:18px}.summary-line{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line)}.summary-line:last-child{border-bottom:none}.summary-line .k{color:var(--muted)}.success{text-align:center;padding:28px}.success .check{width:64px;height:64px;border-radius:50%;background:#dcfce7;color:var(--ok);display:inline-flex;align-items:center;justify-content:center;font-size:34px;margin-bottom:12px}.success code{background:#eef2f6;padding:2px 8px;border-radius:6px}.muted{color:var(--muted)}