:root{--background: hsl(224 71% 4%);--foreground: hsl(213 31% 91%);--muted: hsl(223 47% 11%);--muted-foreground: hsl(215 20% 65%);--accent: hsl(216 34% 17%);--border: hsl(216 34% 17%);--radius: .5rem;--ring-alpha: .5;--canvas-gradient: hsl(223 47% 11%)}@media(prefers-color-scheme:light){:root{--background: hsl(0 0% 100%);--foreground: hsl(222 47% 11%);--muted: hsl(210 40% 96%);--muted-foreground: hsl(215 16% 47%);--accent: hsl(210 40% 96%);--border: hsl(214 32% 91%);--ring-alpha: .3;--canvas-gradient: hsl(210 40% 96%)}}*{box-sizing:border-box;margin:0;padding:0}body{font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--background);color:var(--foreground);min-height:100vh;font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}.app{display:flex;flex-direction:column;height:100vh}.header{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1.5rem;border-bottom:1px solid var(--border)}.header h1{font-size:1rem;font-weight:600;letter-spacing:-.025em}.header-controls{display:flex;align-items:center;gap:.75rem}.header-controls label{font-size:.875rem;color:var(--muted-foreground)}.header-controls select{height:2rem;padding:0 2rem 0 .75rem;background:var(--muted);border:1px solid var(--border);border-radius:var(--radius);color:var(--foreground);font-size:.875rem;cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2371717a' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .5rem center}.backend-badge{display:inline-flex;padding:.125rem .625rem;font-size:.75rem;font-weight:500;border-radius:9999px;background:var(--muted);border:1px solid var(--border);color:var(--muted-foreground);text-transform:uppercase;letter-spacing:.025em}.backend-badge.webgpu{background:#16a24926;border-color:#16a2494d;color:#16a249}.backend-badge.webgl{background:#f59f0a26;border-color:#f59f0a4d;color:#f59f0a}.github-link{display:inline-flex;align-items:center;justify-content:center;width:2rem;height:2rem;border-radius:var(--radius);color:var(--muted-foreground);transition:color .15s,background-color .15s}.github-link:hover{color:var(--foreground);background:var(--muted)}.main{display:flex;flex:1;overflow:hidden}.canvas-container{flex:1;position:relative;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at center,var(--canvas-gradient) 0%,var(--background) 100%)}#skinCanvas{width:100%;height:100%}.controls{width:320px;border-left:1px solid var(--border);overflow-y:auto;padding:1rem}.controls::-webkit-scrollbar{width:8px}.controls::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.control-section{margin-bottom:1.5rem;padding-bottom:1.5rem;border-bottom:1px solid var(--border)}.control-section:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.control-section h2{font-size:.75rem;font-weight:500;text-transform:uppercase;letter-spacing:.1em;color:var(--muted-foreground);margin-bottom:.875rem}.control-group{margin-bottom:.875rem}.control-group:last-child{margin-bottom:0}.control-group label{display:block;font-size:.875rem;font-weight:500;margin-bottom:.375rem}.control-group label span{color:var(--muted-foreground);font-weight:400}.control-group input[type=text],.control-group select{width:100%;height:2.25rem;padding:0 .75rem;background:var(--muted);border:1px solid var(--border);border-radius:var(--radius);color:var(--foreground);font-size:.875rem;transition:border-color .15s}.control-group input[type=text]::placeholder{color:var(--muted-foreground)}.control-group input[type=text]:hover,.control-group select:hover{border-color:var(--muted-foreground)}.control-group input[type=text]:focus,.control-group select:focus{outline:none;border-color:var(--foreground);box-shadow:0 0 0 2px hsl(216 34% 17% / var(--ring-alpha))}.control-group select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2371717a' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .5rem center;padding-right:2rem;cursor:pointer}.control-group input[type=file]{width:100%;padding:.5rem;background:var(--muted);border:1px dashed var(--border);border-radius:var(--radius);color:var(--muted-foreground);font-size:.875rem;cursor:pointer}.control-group input[type=file]:hover{border-color:var(--muted-foreground)}.control-group input[type=file]::file-selector-button{padding:.25rem .5rem;margin-right:.5rem;background:var(--accent);border:1px solid var(--border);border-radius:calc(var(--radius) - 2px);color:var(--foreground);font-size:.75rem;font-weight:500;cursor:pointer}.control-group input[type=range]{width:100%;height:1.25rem;margin-top:.5rem;background:transparent;appearance:none;cursor:pointer}.control-group input[type=range]::-webkit-slider-runnable-track{background:var(--border);height:.375rem;border-radius:9999px}.control-group input[type=range]::-webkit-slider-thumb{appearance:none;width:1rem;height:1rem;background:var(--foreground);border-radius:50%;margin-top:-.3125rem;box-shadow:0 1px 3px #0000004d}.control-group input[type=range]::-moz-range-track{background:var(--border);height:.375rem;border-radius:9999px}.control-group input[type=range]::-moz-range-thumb{width:1rem;height:1rem;background:var(--foreground);border:none;border-radius:50%;box-shadow:0 1px 3px #0000004d}input[type=checkbox]{appearance:none;width:1rem;height:1rem;background:var(--muted);border:1px solid var(--border);border-radius:calc(var(--radius) - 2px);margin-right:.5rem;cursor:pointer;position:relative;flex-shrink:0}input[type=checkbox]:hover{border-color:var(--muted-foreground)}input[type=checkbox]:checked{background:var(--foreground);border-color:var(--foreground)}input[type=checkbox]:checked:after{content:"";position:absolute;left:4.5px;top:1.5px;width:4px;height:8px;border:solid var(--background);border-width:0 2px 2px 0;transform:rotate(45deg)}label:has(input[type=checkbox]){display:flex;align-items:center;cursor:pointer}button{display:inline-flex;align-items:center;justify-content:center;height:2.25rem;padding:0 1rem;background:var(--foreground);border:none;border-radius:var(--radius);color:var(--background);font-size:.875rem;font-weight:500;cursor:pointer;transition:opacity .15s}button:hover{opacity:.9}button:active{transform:scale(.98)}.control-section>button,.button-group button{background:var(--muted);color:var(--foreground);border:1px solid var(--border)}.control-section>button:hover,.button-group button:hover{background:var(--accent);opacity:1}.primary-btn{background:#3c83f6!important;color:#fff!important;border:none!important}.primary-btn:hover{background:#0b64f4!important;opacity:1!important}.button-group{display:flex;gap:.5rem;margin-top:.5rem}.button-group button{flex:1}.parts-grid{display:flex;flex-direction:column;gap:.25rem;margin-bottom:.75rem}.part-row{display:grid;grid-template-columns:1fr auto auto;gap:.75rem;align-items:center;padding:.5rem .75rem;background:var(--muted);border-radius:var(--radius)}.part-row:hover{background:var(--accent)}.part-label{font-size:.875rem;font-weight:500}.part-row label{font-size:.75rem;color:var(--muted-foreground);white-space:nowrap;margin-bottom:0}.part-row input[type=checkbox]{margin-right:.25rem}@media(max-width:768px){.main{flex-direction:column}.controls{width:100%;max-height:40vh;border-left:none;border-top:1px solid var(--border)}.canvas-container{min-height:50vh}.header{padding:.75rem 1rem}.header h1{font-size:.875rem}}.control-group input[type=text]+button{margin-top:.5rem;width:100%}label.disabled{opacity:.5;cursor:not-allowed}label.disabled input[type=checkbox]{cursor:not-allowed}