:root{color-scheme:light;--bg: #fff8ef;--panel: #ffffff;--line: #ecdfcc;--fg: #33291f;--dim: #8a7a68;--accent: #f2643c;--accent-ink: #ffffff;--accent-soft: #ffeee7;--mint: #0f9d8a;--warn-line: #e2a33a;--warn-bg: #fff4de;--warn-fg: #7b5613;--danger: #c8362a;--canvas-bg: #fdfaf4}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:14px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,sans-serif}.app{max-width:1400px;margin:0 auto;padding:24px 20px 64px}header h1{margin:0;font-size:22px;letter-spacing:.5px;color:var(--accent)}header .sub{margin:4px 0 20px;color:var(--dim)}.layout{display:grid;grid-template-columns:1fr 320px;gap:20px;align-items:start}@media(max-width:900px){.layout{grid-template-columns:1fr}}aside,main{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:0 1px 2px #33291f0a,0 6px 18px #33291f08}.drop{border:2px dashed var(--line);border-radius:10px;padding:18px;text-align:center;margin-bottom:16px;background:var(--bg)}.drop:hover{border-color:var(--accent)}.drop input{display:none}.drop label{cursor:pointer;color:var(--accent);display:block;word-break:break-all}.drop .dim{display:block;margin-top:6px;font-size:12px}.controls .field{display:block;margin-bottom:14px}.controls .field-label{display:block;margin-bottom:6px;font-size:13px}.controls input[type=range]{width:100%;accent-color:var(--accent)}.controls .row{display:flex;align-items:center;gap:8px}.controls .checks{display:flex;flex-direction:column;gap:8px}.controls label.inline{display:flex;align-items:center;gap:8px;margin:0}.controls label.inline>span{margin:0}.controls .field.sub{margin:-4px 0 16px;padding:10px;border-left:3px solid var(--accent);background:var(--accent-soft);border-radius:0 8px 8px 0}.controls .field.sub .hint{margin:6px 0 0}.segmented{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}.seg{flex:1 1 0;min-width:0;display:flex;flex-direction:column;gap:2px;align-items:center;background:var(--panel);color:var(--fg);border:none;border-right:1px solid var(--line);border-radius:0;padding:7px 4px;font-weight:500;cursor:pointer}.seg:last-child{border-right:none}.seg:hover{background:var(--accent-soft);filter:none}.seg.on{background:var(--accent);color:var(--accent-ink)}.seg-label{font-size:12.5px;font-weight:700;line-height:1.25;text-align:center}.seg-consequence{font-size:10.5px;line-height:1.2;text-align:center;color:var(--dim)}.seg.on .seg-consequence{color:#ffffffd9}.fold{border-top:1px solid var(--line);margin-top:16px;padding-top:10px}.fold-head{display:flex;align-items:center;gap:7px;width:100%;background:none;color:var(--fg);border:none;border-radius:6px;padding:4px 2px;font-size:13px;font-weight:700;cursor:pointer}.fold-head:hover{filter:none;color:var(--accent)}.fold-caret{color:var(--dim);font-size:11px}.fold-dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}.fold-body{padding-top:12px}.pill{background:var(--panel);color:var(--fg);border:1px solid var(--line);border-radius:999px;padding:4px 11px;font-size:12px;font-weight:600;cursor:pointer;flex:0 0 auto;white-space:nowrap}.pill:hover{filter:none;border-color:var(--accent)}.pill.on{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.swatch-row{display:flex;flex-wrap:wrap;gap:6px;align-items:center}.swatch-btn{width:24px;height:24px;padding:0;border-radius:50%;border:1px solid #00000026;cursor:pointer}.swatch-btn:hover{filter:none;outline:1px solid var(--dim)}.swatch-btn.on{outline:2px solid var(--accent);outline-offset:2px}.stats{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin-bottom:14px;font-size:13px}.stats b{color:var(--mint);font-size:15px}button{background:var(--accent);color:var(--accent-ink);border:none;border-radius:8px;padding:7px 12px;font-weight:700;cursor:pointer}button:hover{filter:brightness(1.1)}.canvas-wrap{overflow:auto;max-height:70vh;border:1px solid var(--line);border-radius:10px;background:var(--canvas-bg);padding:8px}.pattern-canvas{display:block;image-rendering:pixelated}.bead-list{margin-top:20px}.bead-list-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;font-size:13px}.bead-chips{list-style:none;margin:0;padding:0;font-size:12.5px;display:flex;flex-wrap:wrap;gap:6px}.bead-chips li{display:flex;align-items:center;gap:12px;min-width:92px;padding:5px 10px;border-radius:999px;box-shadow:inset 0 0 0 1px #00000014}.bead-chips .mono{font-weight:600}.bead-chips .num{margin-left:auto;font-variant-numeric:tabular-nums}.swatch{display:inline-block;width:16px;height:16px;border-radius:50%;border:1px solid #00000026;vertical-align:-3px;margin-right:8px}.mono{font-family:ui-monospace,Menlo,monospace}.dim{color:var(--dim)}.hint{color:var(--dim);font-size:13px}.hint.big{padding:40px 0;text-align:center;font-size:15px}.error{color:var(--danger)}.warn{margin:0 0 12px;padding:9px 11px;border:1px solid var(--warn-line);border-left:3px solid var(--warn-line);border-radius:0 8px 8px 0;background:var(--warn-bg);color:var(--warn-fg);font-size:13px;line-height:1.55}.ai-panel{margin-bottom:16px;padding:12px;border:1px dashed var(--line);border-radius:8px}.ai-panel .field{display:block;margin-bottom:12px}.ai-panel .field-label{display:block;margin-bottom:6px;font-size:13px}.ai-panel .field:last-child{margin-bottom:0}.ai-panel .hint{margin:6px 0 0;line-height:1.55}.ai-panel .error{margin:10px 0 0;font-size:13px;line-height:1.55}.ai-panel .row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.ai-panel button:disabled{opacity:.45;cursor:not-allowed;filter:none}.text-input{width:100%;min-width:0;background:var(--bg);color:var(--fg);border:1px solid var(--line);border-radius:8px;padding:7px 9px;font:inherit;font-size:13px}.text-input.narrow{width:84px}.select-input{width:100%;background:var(--bg);color:var(--fg);border:1px solid var(--line);border-radius:8px;padding:7px 9px;font:inherit;font-size:13px;cursor:pointer}.select-input:focus{outline:1px solid var(--accent);border-color:var(--accent)}.controls .row.sub-input{margin-top:8px}.text-input:focus{outline:1px solid var(--accent);border-color:var(--accent)}.gate{margin:12px 0 0;display:grid;gap:8px}.gate h4{margin:0;font-size:13.5px}.gate p{margin:0}.gate .dim{color:var(--dim);font-size:12.5px}