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var(--border);overflow:hidden;background-position:center;background-size:cover}.bg-checker{background-color:#17191e;background-image:repeating-conic-gradient(#1f2229 0% 25%,#17191e 0% 50%);background-size:28px 28px}.bg-dark{background:#131313}.bg-light{background:#e9e9e6}.preview-canvas{max-width:min(92%,560px);max-height:94%;width:auto;height:auto;object-fit:contain;filter:drop-shadow(0 12px 40px rgba(0,0,0,.45));outline:1px dashed rgba(255,255,255,.18);outline-offset:-1px}.bg-chips{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:center}.panel{border-left:1px solid var(--border);background:var(--panel);display:flex;flex-direction:column;min-height:0}.panel-scroll{flex:1;overflow-y:auto;padding:22px 22px 10px}.section{padding-bottom:22px;margin-bottom:22px;border-bottom:1px solid var(--border)}.section:last-child{border-bottom:none}.section-title{font-family:var(--font-display);font-size:13px;font-weight:650;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin-bottom:12px}.field-label{display:flex;justify-content:space-between;align-items:baseline;font-size:13px;font-weight:600;margin:16px 0 8px}.field-label:first-of-type{margin-top:0}.thumb-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.thumb{display:flex;flex-direction:column;align-items:center;gap:6px;padding:6px;border-radius:10px;border:1.5px solid var(--border);color:var(--muted);font-size:11.5px;font-weight:550;transition:all .12s}.thumb:hover{border-color:var(--border-strong);color:var(--text)}.thumb.on{border-color:var(--accent);color:var(--text)}.thumb svg{width:100%;height:auto}.thumb-bg{fill:var(--panel-2)}.thumb-line{stroke:var(--muted);stroke-width:2.5;fill:none;stroke-linecap:round}.thumb.on .thumb-line{stroke:var(--accent)}.thumb-stat{fill:#fff6}.thumb.on .thumb-stat{fill:#ffffffbf}.thumb-dim{fill:#ffffff29}.thumb-card{fill:#ffffff12;stroke:#ffffff4d;stroke-width:1.5}.thumb.on .thumb-card{stroke:var(--accent)}.swatches{display:flex;gap:8px;flex-wrap:wrap}.swatch{width:30px;height:30px;border-radius:50%;border:2px solid transparent;outline:1px solid var(--border-strong);outline-offset:2px;cursor:pointer;transition:transform .12s,outline-color .12s}.swatch:hover{transform:scale(1.1)}.swatch.on{outline:2px solid var(--accent)}.swatch.custom{display:inline-flex;align-items:center;justify-content:center;background:var(--panel-2);color:var(--muted);font-size:16px;font-weight:600;position:relative;overflow:hidden}.swatch.custom input{position:absolute;inset:0;opacity:0;cursor:pointer}.slider{width:100%;accent-color:var(--accent)}.download-bar{display:flex;gap:10px;padding:16px 22px;border-top:1px solid var(--border);background:var(--panel)}@media(max-width:900px){.editor{grid-template-columns:1fr;overflow-y:auto}.preview-side{padding:18px}.preview-wrap{flex:none;min-height:0;height:min(58vh,540px)}.panel{border-left:none;border-top:1px solid var(--border)}.panel-scroll{overflow-y:visible}.download-bar{position:sticky;bottom:0;z-index:5}.features{gap:22px}}@media(max-width:520px){.header{padding:12px 16px}.header .badge{display:none}.upload-hero{padding:32px 18px 48px}.dropzone{padding:32px 20px}.preview-side{padding:12px}.preview-wrap{height:min(52vh,460px)}.preview-canvas{max-width:96%}.panel-scroll{padding:18px 16px 8px}.download-bar{padding:12px 16px;padding-bottom:calc(12px + env(safe-area-inset-bottom))}.thumb-grid{grid-template-columns:repeat(4,1fr);gap:6px}}@media(pointer:coarse){.chip{padding:9px 15px}.chip.small{padding:7px 12px}.swatch{width:34px;height:34px}.btn{padding:12px 18px}.slider{height:28px}}