:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}body{margin:0}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}:root{--bg:#0f1115;--panel:#161920;--panel-hi:#202430;--fg:#f1f5f9;--muted:#94a3b8;--line:#2d313f;--accent:#3b82f6;--accent-hover:#60a5fa;--accent-glow:#3b82f626;--success:#10b981;--success-hover:#34d399}body{background-color:var(--bg);color:var(--fg);-webkit-font-smoothing:antialiased;margin:0;padding:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}.app-container{box-sizing:border-box;flex-direction:column;max-width:1400px;min-height:100vh;margin:0 auto;padding:24px;display:flex}.app-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;margin-bottom:24px;padding-bottom:16px;display:flex}.header-left{align-items:center;gap:16px;display:flex}.back-btn{background:var(--panel);border:1px solid var(--line);color:var(--fg);cursor:pointer;border-radius:8px;align-items:center;gap:6px;padding:8px 14px;font-size:14px;text-decoration:none;transition:all .2s;display:flex}.back-btn:hover{border-color:var(--accent);background:var(--panel-hi);transform:translate(-2px)}.app-title-group h1{background:linear-gradient(135deg,#fff 0%,#94a3b8 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin:0;font-size:24px;font-weight:700}.app-title-group p{color:var(--muted);margin:4px 0 0;font-size:13px}.header-right{align-items:center;gap:12px;display:flex}.btn-lang{background:var(--panel);border:1px solid var(--line);color:var(--fg);cursor:pointer;border-radius:8px;padding:8px 16px;font-size:13.5px;transition:all .2s}.btn-lang:hover{border-color:var(--accent);background:var(--panel-hi)}.main-grid{flex:1;grid-template-columns:420px minmax(0,1fr);gap:24px;display:grid}@media (width<=1024px){.main-grid{grid-template-columns:1fr}}.sidebar{flex-direction:column;gap:20px;display:flex}.panel-card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:20px;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.panel-title{color:var(--fg);border-left:3px solid var(--accent);margin:0 0 16px;padding-left:10px;font-size:16px;font-weight:600}.textures-grid{grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;display:grid}.texture-box{flex-direction:column;gap:8px;display:flex}.texture-label{color:var(--muted);font-size:12px;font-weight:600}.dropzone{border:2px dashed var(--line);text-align:center;cursor:pointer;background:#ffffff03;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;min-height:120px;padding:16px 12px;transition:all .2s;display:flex;position:relative}.dropzone:hover{border-color:var(--accent);background:var(--accent-glow)}.dropzone-text{color:var(--muted);margin-top:8px;font-size:11px}.preview-thumb{width:48px;height:48px;image-rendering:pixelated;border:1px solid var(--line);background:#000;border-radius:4px}.btn-preset{background:var(--panel-hi);border:1px solid var(--line);color:var(--muted);cursor:pointer;border-radius:4px;margin-top:8px;padding:6px;font-size:11px;transition:all .2s}.btn-preset:hover{color:var(--fg);border-color:var(--accent)}.type-tabs{background:var(--panel-hi);border:1px solid var(--line);border-radius:8px;padding:4px;display:flex}.tab-btn{color:var(--muted);cursor:pointer;background:0 0;border:none;border-radius:6px;flex:1;padding:8px;font-size:13px;font-weight:500;transition:all .15s}.tab-btn.active{background:var(--accent);color:#fff;box-shadow:0 2px 4px #3b82f666}.sliders-list{flex-direction:column;gap:16px;display:flex}.slider-group{flex-direction:column;gap:6px;display:flex}.slider-header{justify-content:space-between;font-size:12.5px;display:flex}.slider-name{color:var(--fg);font-weight:500}.slider-val{color:var(--accent-hover);font-family:monospace;font-weight:600}.slider-input{-webkit-appearance:none;background:var(--panel-hi);border-radius:3px;outline:none;width:100%;height:6px;transition:background .15s}.slider-input::-webkit-slider-thumb{appearance:none;background:var(--accent);cursor:pointer;border:2px solid var(--fg);border-radius:50%;width:16px;height:16px;transition:transform .1s;box-shadow:0 0 4px #00000080}.slider-input::-webkit-slider-thumb:hover{background:var(--accent-hover);transform:scale(1.2)}.input-row{align-items:center;gap:12px;display:flex}.text-input{background:var(--panel-hi);border:1px solid var(--line);color:var(--fg);border-radius:6px;outline:none;flex:1;padding:8px 12px;font-size:13.5px}.text-input:focus{border-color:var(--accent)}.btn-action{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:6px;justify-content:center;align-items:center;gap:6px;padding:9px 16px;font-size:13.5px;font-weight:600;transition:all .2s;display:inline-flex}.btn-action:hover{background:var(--accent-hover);box-shadow:0 0 12px #3b82f666}.btn-secondary{background:var(--panel-hi);border:1px solid var(--line);color:var(--fg)}.btn-secondary:hover{border-color:var(--muted);background:#ffffff0d}.content-area{flex-direction:column;gap:24px;min-width:0;display:flex}.preview-card{flex-direction:column;align-items:center;display:flex}.canvas-container{border:2px solid var(--line);background:repeating-conic-gradient(#1e293b 0% 25%,#0f172a 0% 50%) 50%/16px 16px;border-radius:8px;place-items:center;max-width:100%;max-height:450px;margin-bottom:16px;padding:16px;display:grid;overflow:auto}.tileset-canvas{image-rendering:pixelated;max-width:100%;box-shadow:0 10px 15px -3px #0000004d}.action-bar{justify-content:flex-end;gap:12px;width:100%;display:flex}.playground-panel{flex-direction:column;display:flex}.playground-tip{color:var(--muted);margin-top:-8px;margin-bottom:16px;font-size:12px;line-height:1.5}.playground-canvas-wrapper{border:1px solid var(--line);background:#0b0d12;border-radius:8px;place-items:center;max-width:100%;max-height:550px;padding:16px;display:grid;position:relative;overflow:auto}.playground-canvas{image-rendering:pixelated;cursor:crosshair;background:repeating-conic-gradient(#151821 0% 25%,#0a0b0e 0% 50%) 50%/24px 24px;border:1px solid #1e293b;box-shadow:inset 0 0 10px #00000080}.tip-badge{background:var(--accent-glow);color:var(--accent-hover);border:1px solid #3b82f633;border-radius:4px;margin-right:6px;padding:4px 8px;font-size:11px;font-weight:600;display:inline-block}.checkbox-group{background:var(--panel-hi);border:1px solid var(--line);cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:8px;align-items:center;gap:10px;padding:10px 14px;transition:all .2s;display:flex}.checkbox-group:hover{border-color:var(--accent);background:#3b82f60d}.checkbox-input{width:16px;height:16px;accent-color:var(--accent);cursor:pointer;margin:0}.checkbox-label{color:var(--fg);font-size:13px;font-weight:500}.disabled-panel{opacity:.35;pointer-events:none;filter:grayscale(50%);transition:all .3s}.btn-swap{background:var(--panel-hi);border:1px solid var(--line);color:var(--muted);cursor:pointer;border-radius:50%;outline:none;justify-content:center;align-items:center;width:32px;height:32px;margin-top:18px;font-size:16px;transition:all .2s;display:flex}.btn-swap:hover{border-color:var(--accent);color:var(--fg);background:var(--accent-glow);transform:rotate(180deg)}.scale-selector{align-items:center;gap:8px;display:flex}.scale-tabs{background:var(--panel-hi);border:1px solid var(--line);border-radius:6px;padding:2px;display:flex}.scale-tab-btn{color:var(--muted);cursor:pointer;background:0 0;border:none;border-radius:4px;outline:none;padding:4px 10px;font-size:11.5px;font-weight:600;transition:all .15s}.scale-tab-btn:hover{color:var(--fg)}.scale-tab-btn.active{background:var(--accent);color:#fff;box-shadow:0 1px 3px #3b82f666}