:root {
            --bg-color: #1a1a2e;
            --primary-glow: #00ffff;
            --secondary-glow: #e03bff;
            --pad-inactive: rgba(0, 0, 0, 0.25);
            --pad-active: #2eff7b;
            --pad-active-glow: 0 0 8px 2px rgba(46, 255, 123, 0.7);
            --pad-hover: rgba(255, 255, 255, 0.1);
            --border-color: rgba(255, 255, 255, 0.1);
            --glass-bg: rgba(26, 26, 46, 0.5);
            --font-primary: 'Roboto Mono', monospace;
            --font-display: 'Press Start 2P', cursive;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: var(--font-primary);
            background-color: var(--bg-color);
            background-image:
            linear-gradient(rgba(255, 255, 255, .02) 1px, transparent 1px),
            linear-gradient(90deg, rgba(255, 255, 255, .02) 1px, transparent 1px);
            background-size: 20px 20px;
            color: white;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            padding: 0.5rem;
            overflow: hidden;
        }

        .synth-container {
            width: 100%;
            max-width: 1200px;
            padding: 2rem;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            background: var(--glass-bg);
            backdrop-filter: blur(15px);
            box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            transform: scale(0.85);
        }

        header {
            text-align: center;
        }

        header h1 {
            font-family: var(--font-display);
            font-size: 1.75rem;
            color: var(--primary-glow);
            text-shadow: 0 0 10px var(--primary-glow);
        }

        header p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 1px;
            margin-top: 0.5rem;
        }

        main {
            display: grid;
            grid-template-columns: 1fr 4fr 1fr;
            gap: 2rem;
        }

        .instruments-rack {
            display: flex;
            flex-direction: column;
            justify-content: space-around;
            padding: 1rem;
            border-right: 1px solid var(--border-color);
        }
        /* asdasd */

        .instrument {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 0.2rem 0;
            font-size: 0.9rem;
        }
        
        .instrument-light {
            width: 12px;
            height: 12px;
            border-radius: 3px;
            background-color: var(--pad-inactive);
            transition: all 0.1s ease;
        }

        .instrument.playing .instrument-light {
            background-color: var(--pad-active);
            box-shadow: var(--pad-active-glow);
        }

        /* Step Sequencer */
        .sequencer-container {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        
        .sequencer-grid {
            position: relative;
            display: grid;
            grid-template-columns: repeat(16, 1fr);
            grid-template-rows: repeat(10, 1fr);
            gap: 5px;
            aspect-ratio: 16 / 10;
        }
        
        .pad {
            background-color: var(--pad-inactive);
            border-radius: 5px;
            cursor: pointer;
            transition: background-color 0.1s ease, box-shadow 0.1s ease;
            border: 1px solid rgba(255,255,255,0.05);
        }

        .pad:hover {
            background-color: var(--pad-hover);
            border: 1px solid rgba(255,255,255,0.2);
        }
        
        .pad.active {
            background-color: var(--pad-active);
            box-shadow: var(--pad-active-glow);
        }
        
        .playhead {
            position: absolute;
            top: -5px;
            bottom: -5px;
            left: 0;
            width: calc(100% / 16);
            background-color: rgba(255, 165, 0, 0.5);
            border: 2px solid orange;
            border-radius: 5px;
            pointer-events: none;
            transition: transform 0.05s linear;
            z-index: 10;
            opacity: 0;
        }

        .sequencer-controls {
            display: flex;
            justify-content: center;
            gap: 1rem;
        }

        .sequencer-controls button {
            font-family: var(--font-primary);
            font-weight: bold;
            padding: 0.75rem 1.5rem;
            background: var(--glass-bg);
            border: 1px solid var(--border-color);
            color: white;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .sequencer-controls button:hover {
            border-color: var(--secondary-glow);
            color: var(--secondary-glow);
            box-shadow: 0 0 10px var(--secondary-glow);
        }

        /* Controls Panel */
        .controls-panel {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            gap: 1.5rem;
            padding: 1rem;
            border-left: 1px solid var(--border-color);
        }
        
        .playback-controls {
            display: flex;
            justify-content: space-around;
            align-items: center;
        }

        .playback-controls button {
            background: none;
            border: 2px solid var(--border-color);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            cursor: pointer;
            font-size: 1.5rem;
            transition: all 0.2s ease;
        }
        
        .playback-controls button:hover, .playback-controls button.active {
            border-color: var(--primary-glow);
            color: var(--primary-glow);
            box-shadow: 0 0 10px var(--primary-glow);
            transform: scale(1.05);
        }

        .control-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .control-group label {
            text-align: center;
            font-size: 0.8rem;
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        #tempo-display {
            text-align: center;
            font-size: 1.5rem;
            font-weight: bold;
            color: var(--primary-glow);
            text-shadow: 0 0 5px var(--primary-glow);
        }

        #tempo-display span {
            font-size: 0.8rem;
            opacity: 0.7;
        }
        
        input[type="range"] {
            -webkit-appearance: none;
            appearance: none;
            width: 100%;
            height: 8px;
            background: rgba(0,0,0,0.3);
            border-radius: 5px;
            outline: none;
            cursor: pointer;
        }

        input[type="range"]::-webkit-slider-thumb {
            -webkit-appearance: none;
            appearance: none;
            width: 18px;
            height: 18px;
            background: var(--primary-glow);
            border-radius: 50%;
            border: 2px solid var(--bg-color);
            box-shadow: 0 0 8px var(--primary-glow);
        }