*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;background:#fff}body{font-family:Noto Sans,system-ui,-apple-system,sans-serif;color:#1a202c}button{font-family:inherit}.sb{width:100%;display:flex;flex-direction:column;min-height:0;overflow:hidden;padding:clamp(.3rem,.7vh,.8rem);box-sizing:border-box;gap:clamp(.25rem,.5vh,.6rem)}.sb-body{flex:1;min-height:0;display:flex;gap:clamp(.5rem,1vh,1.2rem);align-items:stretch;justify-content:center}.sb-palette{flex:0 0 auto;width:clamp(16rem,18vw,22rem);display:flex;flex-direction:column;gap:clamp(.25rem,.5vh,.6rem);min-height:0}.sb-palette-main{flex:1;min-height:0;display:flex;flex-direction:column;gap:clamp(.2rem,.5vh,.6rem);overflow:hidden}.sb-palette-main 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#ffffff80;flex-shrink:0;transition:transform 80ms}.sb-swatch:focus{outline:none}.sb-swatch.active{outline:2.5px solid var(--accent, #6c5ce7);outline-offset:2px;transform:scale(1.08)}.sb-preview-wrap{width:clamp(70px,14vh,200px);height:clamp(70px,14vh,200px);border:1px dashed var(--border, #ccc);border-radius:.5rem;display:grid;place-items:center;overflow:hidden;background:transparent}.sb-preview-wrap img{width:90%;height:90%;object-fit:contain}.sb-placeholder{color:#ccc;font-size:clamp(.8rem,1.4vh,1.1rem)}.sb-add{flex-shrink:0;width:100%;padding:clamp(.45rem,1vh,.9rem) .5rem;border-radius:.5rem;background:var(--accent, #6c5ce7);color:#fff;border:none;font-weight:600;font-size:clamp(.8rem,1.4vh,1.1rem);cursor:pointer;letter-spacing:.02em;margin-top:auto}.sb-add:hover{filter:brightness(.92)}.sb-add:disabled{opacity:.45;cursor:not-allowed}.sb-canvas-wrap{flex:1 1 0;min-width:0;min-height:0;max-width:clamp(500px,50vw,1000px);display:flex}.sb-scene{flex:1;position:relative;border-radius:.625rem;border:1px solid var(--border, #ddd);background:#d8d8d8;overflow:visible}.sb-floor{position:absolute;left:0;height:6px;background:repeating-linear-gradient(90deg,rgba(0,0,0,.08),rgba(0,0,0,.08) 8px,transparent 8px,transparent 16px);box-shadow:0 -1px #0000000f inset,0 -4px 16px #0000000f inset}.sb-info{flex:0 0 auto;width:clamp(16rem,18vw,22rem);font-size:clamp(.68rem,1.2vh,1rem);line-height:1.5;background:#fafafa;border-radius:.5rem;border:1px solid var(--border, #ddd);padding:clamp(.5rem,1vh,1rem) clamp(.6rem,1.1vh,1rem);color:#555;overflow-y:auto;min-height:0}.sb-info-title{font-weight:700;font-size:clamp(.72rem,1.3vh,1.05rem);margin:0 0 clamp(.3rem,.6vh,.6rem);color:#333}.sb-info p{margin:0 0 clamp(.25rem,.5vh,.5rem)}.sb-info ul{padding-left:1rem;margin:.2rem 0 .4rem}.sb-info 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rgba(255,255,255,.4)}.piece-tooltip-rel{font-size:10px;opacity:.85;margin-top:1px}.demo-root{max-width:1100px;margin:0 auto;padding:24px 20px 60px;font-family:Noto Sans,system-ui,-apple-system,sans-serif;color:#1a202c}.demo-header{margin-bottom:20px}.demo-header h1{font-size:26px;margin:0 0 6px;font-family:Google Sans,Noto Sans,sans-serif}.demo-sub{color:#4a5568;margin:0;font-size:15px}.demo-seeds{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:20px 0 28px}.demo-seeds-col h3{margin:0 0 8px;font-size:14px;text-transform:uppercase;letter-spacing:.05em;color:#4a5568}.demo-seeds-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.demo-seed{margin:0;border:2px solid transparent;border-radius:6px;overflow:hidden;background:#ececec;display:flex;flex-direction:column}.demo-seed img{width:100%;height:auto;display:block}.demo-seed figcaption{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;padding:4px 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.sb-body{flex-direction:column;align-items:stretch;gap:12px}.demo-builder-wrap .sb-canvas-wrap{flex:0 0 auto;max-width:none;width:100%}.demo-builder-wrap .sb-scene{height:360px}.demo-builder-wrap .sb-palette{width:100%;height:auto;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-template-rows:auto auto;column-gap:20px;row-gap:10px;align-items:start;justify-items:center}.demo-builder-wrap .sb-palette-main{display:contents}.demo-builder-wrap .sb-palette-main .sb-section{align-items:center;width:100%}.demo-builder-wrap .sb-palette-main .sb-section:nth-child(1){grid-column:1;grid-row:1;align-self:start}.demo-builder-wrap .sb-palette-main .sb-section:nth-child(2){grid-column:2;grid-row:1;align-self:start}.demo-builder-wrap .sb-palette-main .sb-section:nth-child(3){grid-column:3;grid-row:1;align-self:start;flex:0 0 auto}.demo-builder-wrap .sb-preview-wrap{width:120px;height:120px}.demo-builder-wrap .sb-add{grid-column:2;grid-row:2;width:auto;min-width:160px;justify-self:center;align-self:start;margin:20px 0 0}@media(max-width:720px){.demo-builder-wrap .sb-info ul{grid-template-columns:1fr}.demo-builder-wrap .sb-scene{height:300px}.demo-builder-wrap .sb-palette{column-gap:10px}}.demo-btn{display:inline-block;padding:8px 18px;border-radius:6px;border:1px solid #cbd5e0;background:#fff;color:#1a202c;font-weight:500;cursor:pointer;font-size:14px;transition:background .12s ease}.demo-btn:hover:not(:disabled){background:#edf2f7}.demo-btn:disabled{opacity:.55;cursor:not-allowed}.demo-btn.primary{background:#2b6cb0;border-color:#2b6cb0;color:#fff}.demo-btn.primary:hover:not(:disabled){background:#2c5282}.demo-btn.label-yes{background:#d9f3df;border-color:#9bd7ac;color:#1a6b32;padding:10px 22px;font-size:15px}.demo-btn.label-yes:hover{background:#c1e9cb}.demo-btn.label-no{background:#fadbdd;border-color:#e8a2a7;color:#872028;padding:10px 22px;font-size:15px}.demo-btn.label-no:hover{background:#f4c4c7}.demo-label-row{display:flex;gap:12px;margin-top:6px}.demo-input{display:block;width:100%;max-width:520px;margin:10px 0 12px;padding:10px 12px;border:1px solid #cbd5e0;border-radius:6px;font-size:14px;font-family:inherit}.demo-input:focus{outline:none;border-color:#2b6cb0;box-shadow:0 0 0 3px #2b6cb026}.demo-feedback{padding:10px 12px;border-radius:6px;margin-bottom:14px;font-size:14px}.demo-feedback.ok{background:#d9f3df;border:1px solid #9bd7ac;color:#1a6b32}.demo-feedback.bad{background:#fadbdd;border:1px solid #e8a2a7;color:#872028}.demo-result.won{background:#d9f3df;border-color:#9bd7ac}.demo-result.lost{background:#fadbdd;border-color:#e8a2a7}.demo-footer{margin-top:32px;padding-top:16px;border-top:1px solid #e2e8f0;color:#718096;font-size:12px;font-style:italic;line-height:1.5}@media(max-width:720px){.demo-seeds{grid-template-columns:1fr}}