:root{--bg-color:#121212;--panel-bg:#1e1e1e;--text-color:#ededed;--accent-color:#0fc;--border-color:#333}*{box-sizing:border-box}body,html{background-color:var(--bg-color);width:100vw;height:100vh;color:var(--text-color);margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;overflow:hidden}#app-container{width:100%;height:100%;display:flex}#ui-panel{background-color:var(--panel-bg);border-right:1px solid var(--border-color);flex-direction:column;width:320px;height:100%;padding:20px;display:flex;overflow-y:auto}h1{color:var(--accent-color);margin-top:0;margin-bottom:30px;font-size:1.5rem}h3{text-transform:uppercase;letter-spacing:1px;color:#888;margin-bottom:15px;font-size:1rem}.control-group{flex-direction:column;margin-bottom:20px;display:flex}.control-group label{margin-bottom:8px;font-size:.9rem}select,input[type=range]{border:1px solid var(--border-color);color:#fff;background:#2a2a2a;border-radius:4px;width:100%;padding:8px}.control-row{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}button{background:var(--accent-color);color:#000;cursor:pointer;border:none;border-radius:4px;margin-top:10px;padding:10px;font-weight:700}button:hover{opacity:.9}hr{border:none;border-top:1px solid var(--border-color);margin:20px 0}#canvas-container{background-color:#000;flex-grow:1;justify-content:flex-start;align-items:center;padding:40px;display:flex;overflow:hidden}#canvas-container canvas{object-fit:contain;object-position:left center;max-width:100%;max-height:100%;box-shadow:0 0 40px #000c}#editor-panel{-webkit-backdrop-filter:blur(10px);border-left:1px solid var(--border-color);z-index:50;resize:horizontal;direction:rtl;background-color:#272822d9;flex-direction:column;width:600px;min-width:400px;max-width:90vw;height:100%;transition:transform .3s cubic-bezier(.25,.8,.25,1);display:flex;position:absolute;top:0;right:0;overflow:visible;transform:translate(0)}#editor-panel.collapsed{resize:none;transform:translate(100%)}#editor-panel>*{direction:ltr}.editor-header{z-index:51;background-color:#1e1e1ee6;border-bottom:1px solid #333;justify-content:space-between;align-items:center;padding:10px 15px;display:flex}.icon-btn{color:#ccc;cursor:pointer;background:0 0;border:1px solid #444;border-radius:4px;justify-content:center;align-items:center;padding:6px;transition:all .2s;display:flex}.icon-btn:hover{color:#fff;background:#444}.icon-btn.run-btn{color:#0fc;border-color:#0fc}.icon-btn.run-btn:hover{color:#000;background:#0fc}.icon-btn.active{color:#fff;background:#555}#editor-container{background:0 0;flex-grow:1;position:relative;overflow:hidden}.CodeMirror{font-size:14px;line-height:1.4;top:0;left:0;background:0 0!important;width:100%!important;height:100%!important;position:absolute!important}.CodeMirror-gutters{border-right:1px solid #444;background:#27282280!important}details.panel-section{border-bottom:1px solid var(--border-color);background-color:#0000;margin-bottom:10px;padding-bottom:10px}details.panel-section>summary{text-transform:uppercase;letter-spacing:1px;color:var(--accent-color);cursor:pointer;justify-content:space-between;align-items:center;padding:8px 0;font-size:.9rem;font-weight:600;list-style:none;transition:color .2s;display:flex}details.panel-section>summary::-webkit-details-marker{display:none}details.panel-section>summary:hover{color:#fff}details.panel-section>summary:after{content:"▼";color:#888;font-size:.7rem;transition:transform .2s ease-in-out;transform:rotate(-90deg)}details.panel-section[open]>summary:after{transform:rotate(0)}details.panel-section>.control-group{margin-top:10px}.dual-slider-container{align-items:center;width:100%;height:30px;display:flex;position:relative}.dual-slider-track{z-index:1;background:#444;border-radius:2px;width:100%;height:4px;position:absolute}.dual-slider-highlight{background:var(--accent-color);z-index:2;pointer-events:none;opacity:.8;border-radius:2px;height:4px;position:absolute}.dual-slider-container input[type=range]{appearance:none;pointer-events:none;z-index:3;background:0 0;border:none;width:100%;height:30px;margin:0;padding:0;position:absolute}.dual-slider-container input[type=range]::-webkit-slider-thumb{pointer-events:auto;appearance:none;cursor:pointer;background:#fff;border:2px solid #222;border-radius:50%;width:14px;height:14px;transition:background .1s;box-shadow:0 0 5px #000c}.dual-slider-container input[type=range]::-webkit-slider-thumb:hover{background:var(--accent-color)}.dual-slider-container input[type=range]::-moz-range-thumb{pointer-events:auto;cursor:pointer;background:#fff;border:2px solid #222;border-radius:50%;width:14px;height:14px;transition:background .1s;box-shadow:0 0 5px #000c}.dual-slider-container input[type=range]::-moz-range-thumb:hover{background:var(--accent-color)}