:root{--bg-color: #1a1a1a;--case-color: #0f0f0f;--panel-bg: #2a2a2a;--panel-border: #111;--text-color: #e0e0e0;--accent-color: #ff9900;--jack-color: #444;--jack-inner: #000;--knob-color: #333;--screw-color: #888}body{margin:0;background-color:var(--bg-color);color:var(--text-color);font-family:Inter,system-ui,sans-serif;overflow:hidden;-webkit-user-select:none;user-select:none}#app{display:flex;flex-direction:column;align-items:center;height:100vh;height:100dvh;justify-content:flex-start;width:100%;overflow-y:auto;-webkit-overflow-scrolling:touch;padding-bottom:50px}#case-shell{position:relative;background-color:var(--case-color);border:15px solid #222;border-radius:10px;box-shadow:0 10px 30px #00000080;width:95vw;height:60vh;height:60dvh;min-height:600px;box-sizing:border-box;display:flex;margin-top:10px;flex-shrink:0}#synth-case{width:100%;height:100%;overflow-x:auto;overflow-y:hidden;display:flex;position:relative;scrollbar-width:thin;scrollbar-color:#444 #0f0f0f}#rack{display:flex;gap:2px;height:100%;position:relative;z-index:10;padding:0 10px;box-sizing:border-box;min-width:max-content;align-items:flex-start}#cable-canvas{position:absolute;top:0;left:0;pointer-events:none;z-index:999}.module{background:var(--panel-bg);border:1px solid var(--panel-border);width:120px;height:80%;margin-top:10px;margin-bottom:10px;display:flex;flex-direction:column;padding:15px 10px;box-sizing:border-box;position:relative;box-shadow:inset 0 0 10px #00000080}.module-header{text-transform:uppercase;font-size:.8rem;font-weight:700;text-align:center;margin-bottom:20px;color:#aaa;letter-spacing:1px}.screw{width:10px;height:10px;background:radial-gradient(circle at 30% 30%,#ddd,#555);border-radius:50%;position:absolute}.screw.tl{top:5px;left:5px}.screw.tr{top:5px;right:5px}.screw.bl{bottom:5px;left:5px}.screw.br{bottom:5px;right:5px}.control-row{display:flex;flex-direction:column;align-items:center;margin-bottom:15px}.knob-container{position:relative;width:50px;height:50px;margin-bottom:5px}.knob{width:100%;height:100%;border-radius:50%;background:conic-gradient(from 180deg,#222,#444,#222);box-shadow:0 4px 5px #0006;position:relative;cursor:ns-resize}.knob:after{content:"";position:absolute;top:5px;left:50%;width:4px;height:15px;background:var(--accent-color);transform-origin:bottom center;transform:translate(-50%)}.label{font-size:.6rem;color:#888;text-transform:uppercase}.jack-container{display:flex;flex-direction:column;align-items:center;margin-top:auto;margin-bottom:10px}.jack{width:24px;height:24px;background:radial-gradient(circle,#000 40%,#555 50%,#333);border:2px solid #666;border-radius:50%;margin-bottom:5px;cursor:crosshair;position:relative}.jack.connected{border-color:var(--accent-color)}#controls{margin-top:20px;text-align:center}button{background:var(--accent-color);border:none;padding:10px 20px;color:#000;font-weight:700;cursor:pointer;border-radius:4px}button:hover{filter:brightness(1.2)}button.active{background:#0f0;color:#000;box-shadow:0 0 10px #0f0}#preset-controls{margin-top:10px;display:flex;justify-content:center;align-items:center;gap:10px;flex-wrap:wrap}.preset-btn{background:#333;color:#ccc;border:1px solid #555;font-size:.8rem;padding:5px 10px}.preset-btn:hover{background:#444;border-color:#777}#virtual-keyboard{margin-top:15px;position:relative;height:auto;min-height:100px;width:95vw;background:#0003;border-radius:8px;padding:10px;box-sizing:border-box}.v-key{position:absolute;border:1px solid #555;border-radius:4px;display:flex;justify-content:center;align-items:center;font-weight:700;font-size:.8rem;cursor:pointer;-webkit-user-select:none;user-select:none;touch-action:none;box-sizing:border-box;transition:all .1s}.v-key.white{background:#ccc;color:#333;height:40px;width:40px;z-index:1;top:45px}.v-key.white:active,.v-key.white.active{background:var(--accent-color);color:#000;transform:translateY(2px);box-shadow:0 0 10px var(--accent-color)}.v-key.black{background:#333;color:#ddd;height:40px;width:40px;z-index:1;border-color:#222;top:0;font-size:.8rem}.v-key.black:active,.v-key.black.active{background:var(--accent-color);color:#000;box-shadow:0 0 10px var(--accent-color)}#start-screen{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000000e6;display:flex;justify-content:center;align-items:center;z-index:10000;transition:opacity .5s ease}#start-screen .content{text-align:center}#start-screen h1{font-size:3rem;color:var(--accent-color);margin-bottom:2rem;text-transform:uppercase;letter-spacing:5px}#start-screen button{font-size:1.5rem;padding:15px 40px;background:transparent;border:2px solid var(--accent-color);color:var(--accent-color);transition:all .3s ease}#start-screen button:hover{background:var(--accent-color);color:#000;box-shadow:0 0 20px var(--accent-color)}#footer{position:fixed;bottom:10px;right:15px;font-size:.7rem;color:#555;pointer-events:none;z-index:100;font-family:Inter,sans-serif;letter-spacing:1px}