.nbk-studio-builder{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;max-width:1040px;margin:0 auto}@media (max-width:860px){.nbk-studio-builder{grid-template-columns:1fr}}.nbk-studio-preview{position:sticky;top:100px}.nbk-studio-artboard{position:relative;aspect-ratio:3/3.4;background:var(--card,#fff);border:1px solid var(--line,rgb(36 30 24 / .12));border-radius:16px;overflow:hidden;display:flex;align-items:center;justify-content:center}.nbk-silhouette{width:78%;height:auto}.nbk-design-overlay{position:absolute;top:34%;left:50%;transform:translate(-50%,-50%);width:80%;max-width:90%;max-height:55%;object-fit:contain;filter:drop-shadow(0 2px 6px rgb(36 30 24 / .15));pointer-events:none}.nbk-artboard-placeholder{position:absolute;bottom:22px;left:0;right:0;display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--muted,#6b6354);font-size:13px;font-weight:600;text-align:center;pointer-events:none}.nbk-studio-preview-controls{margin-top:18px}.nbk-studio-preview-controls input[type="range"]{width:100%;accent-color:var(--rust,#B5502E)}.nbk-studio-form{background:var(--card,#fff);border:1px solid var(--line,rgb(36 30 24 / .12));border-radius:16px;padding:28px}.nbk-field{margin-bottom:22px}.nbk-field-label{display:block;font-weight:800;font-size:13px;letter-spacing:.03em;text-transform:uppercase;color:var(--ink,#241E18);margin-bottom:10px}.nbk-field-hint{font-size:12px;color:var(--muted,#6b6354);margin:8px 0 0}.nbk-studio-form input[type="file"]{width:100%;padding:10px;border:1px dashed var(--line,rgb(36 30 24 / .25));border-radius:8px;background:var(--bg,#F4F1EA);font-size:13px}.nbk-pill-group{display:flex;flex-wrap:wrap;gap:8px}.nbk-pill{padding:9px 16px;border-radius:999px;border:1px solid var(--line,rgb(36 30 24 / .15));background:var(--bg,#F4F1EA);font-size:13px;font-weight:700;cursor:pointer;transition:all 0.15s ease;user-select:none}.nbk-pill:hover{border-color:var(--rust,#B5502E)}.nbk-pill.active{background:var(--rust,#B5502E);border-color:var(--rust,#B5502E);color:#fff}