:root{--bg-primary: #141619;--bg-panel: rgba(20, 22, 25, .92);--bg-panel-solid: #1a1d22;--accent: #d4875e;--accent-hover: #e0986f;--text-primary: #e8e6e3;--text-secondary: #9c9a96;--border: rgba(255, 255, 255, .06);--slider-track: #2a2d33;--slider-fill: #d4875e}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);overflow:hidden;height:100vh;width:100vw}#root{height:100%;width:100%}.app-container{display:flex;height:100vh;width:100vw}.canvas-container{flex:1;position:relative}.sidebar{width:280px;min-width:280px;background:var(--bg-panel);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-right:1px solid var(--border);padding:24px 20px;display:flex;flex-direction:column;gap:20px;overflow-y:auto;z-index:10}.sidebar-title{font-size:18px;font-weight:600;color:var(--text-primary);letter-spacing:.5px;padding-bottom:12px;border-bottom:1px solid var(--border)}.param-group{display:flex;flex-direction:column;gap:8px}.param-label{font-size:13px;color:var(--text-secondary);display:flex;justify-content:space-between;align-items:center}.param-value{color:var(--accent);font-weight:600;font-size:12px;background:#d4875e1a;padding:2px 8px;border-radius:4px}.slider{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:6px;border-radius:3px;background:var(--slider-track);outline:none;cursor:pointer}.slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:var(--accent);cursor:pointer;border:2px solid var(--bg-panel-solid);transition:background .15s}.slider::-webkit-slider-thumb:hover{background:var(--accent-hover)}.slider::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--accent);cursor:pointer;border:2px solid var(--bg-panel-solid)}.btn-group{display:flex;gap:8px}.btn{flex:1;padding:8px 12px;border:1px solid var(--border);border-radius:6px;background:transparent;color:var(--text-secondary);font-size:13px;cursor:pointer;transition:all .2s}.btn:hover{border-color:var(--accent);color:var(--text-primary)}.btn-active{background:var(--accent);border-color:var(--accent);color:#fff}.btn-clear{margin-top:4px;width:100%;border-color:#ff64644d;color:#e88}.btn-clear:hover{border-color:#ff646499;color:#f99}.btn-export{width:100%;padding:10px;border-color:#64c88266;color:#8c8;font-weight:600;font-size:14px;margin-top:4px}.btn-export:hover{border-color:#64c882cc;color:#afa;background:#64c88214}.file-input{font-size:12px;color:var(--text-secondary);cursor:pointer}.file-input::file-selector-button{background:var(--slider-track);color:var(--text-primary);border:1px solid var(--border);border-radius:4px;padding:4px 10px;margin-right:8px;cursor:pointer;font-size:12px;transition:background .2s}.file-input::file-selector-button:hover{background:#3a3d44}.text-input{width:100%;padding:8px 10px;background:var(--slider-track);color:var(--text-primary);border:1px solid var(--border);border-radius:6px;font-size:13px;font-family:inherit;resize:vertical;outline:none;transition:border-color .2s}.text-input:focus{border-color:var(--accent)}.text-input::placeholder{color:#555}.color-row{display:flex;align-items:center;gap:10px}.color-picker{width:36px;height:30px;border:1px solid var(--border);border-radius:4px;background:transparent;cursor:pointer;padding:2px}.color-picker::-webkit-color-swatch-wrapper{padding:0}.color-picker::-webkit-color-swatch{border:none;border-radius:2px}.color-hex{font-size:12px;color:var(--text-secondary);font-family:JetBrains Mono,Cascadia Code,monospace}.sidebar::-webkit-scrollbar{width:4px}.sidebar::-webkit-scrollbar-track{background:transparent}.sidebar::-webkit-scrollbar-thumb{background:var(--slider-track);border-radius:2px}