:root{--demo-gold:#c39631;--demo-gold-dark:#c0932f;--demo-gold-soft:#c99b35;--demo-ink:#15130f;--demo-muted:#77736b;--demo-line:#e6dfd2;--demo-paper:#fffdfa;--demo-bg:#f7f4ee;--demo-panel:#fff;--demo-green:#276749;--demo-shadow:0 16px 38px #1f180c14, 0 2px 8px #1f180c0d;--demo-radius:14px;--cream:#f7f2e4;--cream-dark:#e6dcc8;--white:#fffdf8;--ink:#1a1512;--ink-mid:#463d36;--ink-light:#6b5f54;--ink-faint:#9a8c84;--gold:#c1a36b;--gold-dark:#8f7c3d;--gold-light:#dcc9a5;--gold-faint:#f9f5e8;--bf:"DM Sans", sans-serif;--tf:"Marcellus", serif;--mf:"DM Mono", monospace;--r-sm:8px;--r-md:12px;--r-lg:18px;--r-xl:24px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{height:auto;min-height:100%;color:var(--ink);font-family:var(--bf);background:linear-gradient(135deg,#f9f2e5 0%,#efe2c6 100%);overflow:hidden auto}.shell{grid-template-rows:64px minmax(0,1fr);grid-template-columns:1fr;height:auto;min-height:100dvh;display:grid}.topbar{background:linear-gradient(#201a15 0%,#171210 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#e6dcc8f2;border-radius:24px;width:min(100%,1120px);padding:clamp(24px,3vw,32px);display:block;box-shadow:0 22px 50px #1a151214}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.step-eyebrow{letter-spacing:.1em;text-transform:uppercase;color:var(--gold);font-size:10px;font-family:var(--mf);margin-bottom:8px}.step-h{font-family:var(--tf);color:var(--ink);margin-bottom:4px;font-size:24px}.step-sub{color:var(--ink-mid);max-width:780px;margin-bottom:20px;font-size:13px;line-height:1.6}.input-mode-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:18px;display:grid}.input-mode-card{flex-direction:column;justify-content:center;align-items:center;min-height:190px;display:flex}.upload-zone{border:1.5px dashed var(--cream-dark);border-radius:var(--r-xl);text-align:center;cursor:pointer;background:linear-gradient(135deg,#fffffffa,#f9f5e8f2);flex-direction:column;justify-content:center;min-height:220px;padding:38px 24px;transition:all .2s;display:flex;box-shadow:inset 0 1px #ffffffbf}.upload-zone:hover{border-color:var(--gold);background:linear-gradient(135deg,#f9f5e8fa,#e8d9b8f2);transform:translateY(-1px)}.upload-zone.active{border-color:var(--gold);background:linear-gradient(135deg,#f9f5e8fa,#e8d9b8f2)}.uz-icon{opacity:.4;margin-bottom:12px;font-size:32px}.uz-title{color:var(--ink);margin-bottom:6px;font-size:15px;font-weight:500}.uz-sub{color:var(--ink-light);font-size:12px;line-height:1.6}.uploaded-preview{border:1px solid var(--gold-light);background:var(--white);border-radius:14px;width:min(100%,400px);max-width:400px;margin-top:12px;overflow:hidden}.uploaded-preview img{object-fit:cover;width:100%;max-height:220px;display:block}.voice-preview{border-radius:var(--r-lg);border:1px solid var(--cream-dark);background:var(--white);margin-top:12px;padding:18px;box-shadow:inset 0 1px #fffc}.media-input-panel{gap:16px;margin-bottom:20px;display:grid}.first-screen-motif-panel{margin-top:18px}.motif-first-grid{grid-template-columns:repeat(auto-fit,minmax(100px,140px));justify-content:flex-start;gap:12px;display:grid}@media (max-width:1120px){.motif-first-grid{grid-template-columns:repeat(auto-fit,minmax(100px,1fr))}}@media (max-width:860px){.motif-first-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:640px){.motif-first-grid{grid-template-columns:1fr}}.motif-image-tile{border:1px solid var(--cream-dark);border-radius:var(--r-lg);background:var(--white);text-align:left;cursor:pointer;grid-template-rows:1fr;align-items:stretch;width:100px;min-width:100px;height:100px;min-height:100px;padding:0;transition:all .18s;display:grid;position:relative;overflow:hidden}.motif-image-tile:hover{border-color:var(--gold);transform:translateY(-1px);box-shadow:0 10px 28px #1a151214}.motif-image-tile.sel{border-color:var(--gold);background:var(--gold-faint);box-shadow:0 0 0 2px #c1a36b38}.motif-image-preview{background:var(--cream);border-radius:0;width:100px;min-width:100px;height:100px;min-height:100px;overflow:hidden}.motif-image-preview img{object-fit:cover;width:100%;height:100%;display:block}.motif-image-tile .motif-image-name{padding:14px}.motif-image-tile:hover{border-color:var(--gold);transform:translateY(-1px)}.motif-image-tile.sel{border-color:var(--gold);background:var(--gold-faint)}.motif-image-name{color:var(--ink);font-size:14px;font-weight:600}.motif-image-tile .check-badge{background:var(--gold);width:22px;height:22px;color:var(--ink);opacity:0;border-radius:50%;place-items:center;font-size:12px;transition:opacity .15s;display:grid;position:absolute;top:10px;right:10px}.motif-image-tile.sel .check-badge{opacity:1}.merged-flow-grid{grid-template-columns:minmax(260px,1fr) minmax(360px,1.1fr);gap:18px;margin-bottom:18px;display:grid}#step3 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.15s}.qb-chip:hover{border-color:var(--gold);color:var(--ink)}.merged-dna{align-items:stretch}.dna-split{gap:20px;margin-bottom:20px;display:grid}.dna-split.merged-dna{grid-template-columns:minmax(220px,.65fr) minmax(320px,1.35fr);align-items:start}.ref-preview{border-radius:var(--r-lg);background:var(--ink);aspect-ratio:1;justify-content:center;align-items:center;min-height:320px;display:flex;position:relative;overflow:hidden}.ref-label-tag{color:var(--ink);font-size:10px;font-weight:500;font-family:var(--mf);background:#c1a36be6;border-radius:999px;padding:3px 8px;position:absolute;top:10px;left:10px}.ref-emoji{opacity:.5;font-size:64px}.dna-panel{flex-direction:column;gap:10px;display:flex}.dna-panel.constraint-style-panel{margin-top:16px}.dna-card{background:var(--white);border:1px solid var(--cream-dark);border-radius:var(--r-md);padding:12px 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