/* ... existing code (Global Reset etc) ... */
* { box-sizing: border-box; }
:root { --accent-color: #00d4ff; --bg-color: #050505; --glass-bg: rgba(0, 0, 0, 0.6); --panel-border: 1px solid rgba(255, 255, 255, 0.1); }
body, html { margin: 0; padding: 0; width: 100%; height: 100%; overflow: hidden; background-color: var(--bg-color); font-family: 'Inter', sans-serif; color: white; }
#canvas-container { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 1; }

/* ... existing code (Interface, etc.) ... */
#interface { position: absolute; top: 30px; left: 30px; z-index: 10; pointer-events: none; background: var(--glass-bg); padding: 25px; border-left: 3px solid var(--accent-color); backdrop-filter: blur(10px); border-radius: 0 8px 8px 0; width: 300px; }
h1 { margin: 0 0 15px 0; font-size: 1.2rem; letter-spacing: 2px; text-transform: uppercase; font-weight: 400; }
.stat-row { display: grid; grid-template-columns: 70px 1fr; gap: 10px; margin-bottom: 6px; font-family: 'Courier New', monospace; font-size: 0.85rem; color: rgba(255, 255, 255, 0.8); align-items: center; }
.stat-row span { font-weight: bold; text-align: left; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; }
.highlight { color: white; }
.separator { height: 1px; background: rgba(255,255,255,0.2); margin: 15px 0; }

/* --- VIEW SWITCHER (NEU) --- */
#view-switcher {
    position: absolute;
    top: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 20;
    display: flex;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 5px;
    border: var(--panel-border);
}

.view-btn {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    padding: 8px 20px;
    font-size: 0.9rem;
    font-weight: bold;
    cursor: pointer;
    border-radius: 15px;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.view-btn.active {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

.view-btn:hover:not(.active) {
    color: white;
}

/* ... existing code (Tooltip, Mixing Desk, Audio Controls, Tutorial, Overlay) ... */
#tooltip { position: absolute; background: rgba(0, 0, 0, 0.8); border: 1px solid var(--accent-color); padding: 8px 12px; border-radius: 4px; color: white; font-size: 0.8rem; pointer-events: none; display: none; z-index: 50; white-space: nowrap; box-shadow: 0 0 10px rgba(0, 212, 255, 0.3); backdrop-filter: blur(5px); }

#mixing-desk { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); z-index: 20; background: var(--glass-bg); backdrop-filter: blur(10px); padding: 20px; border-radius: 12px; border: var(--panel-border); display: flex; gap: 20px; width: auto; min-width: 600px; max-width: 95vw; justify-content: space-between; transition: all 0.3s; }
.control-group { display: flex; flex-direction: column; flex: 1; min-width: 120px; transition: all 0.3s; padding: 5px; border-radius: 5px; }
.control-group label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; color: var(--accent-color); text-align: center; white-space: nowrap; }
.labels { display: flex; justify-content: space-between; font-size: 0.6rem; color: rgba(255,255,255,0.4); margin-top: 5px; }

input[type=range] { -webkit-appearance: none; width: 100%; background: transparent; }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; height: 14px; width: 14px; border-radius: 50%; background: white; cursor: pointer; margin-top: -5px; box-shadow: 0 0 5px rgba(255,255,255,0.5); }
input[type=range]::-webkit-slider-runnable-track { width: 100%; height: 4px; cursor: pointer; background: rgba(255,255,255,0.2); border-radius: 2px; }

#audio-controls { position: absolute; bottom: 30px; right: 30px; z-index: 20; display: flex; gap: 15px; }
.icon-btn { background: var(--glass-bg); border: 1px solid rgba(255, 255, 255, 0.2); color: white; font-size: 1.5rem; width: 50px; height: 50px; border-radius: 50%; cursor: pointer; backdrop-filter: blur(5px); transition: all 0.3s ease; display: flex; justify-content: center; align-items: center; outline: none; }
.icon-btn:hover { background: white; color: black; transform: scale(1.1); box-shadow: 0 0 15px rgba(255, 255, 255, 0.3); }

#tutorial-box { position: absolute; width: 280px; background: rgba(10, 10, 10, 0.95); border: 1px solid var(--accent-color); box-shadow: 0 0 20px rgba(0, 212, 255, 0.4); padding: 20px; border-radius: 8px; z-index: 1000; color: white; display: none; opacity: 0; transform: translateY(10px); transition: opacity 0.4s ease, transform 0.4s ease, left 0.5s ease, top 0.5s ease; pointer-events: auto; }
#tutorial-box.active { display: block; opacity: 1; transform: translateY(0); }
#tut-title { margin: 0 0 10px 0; color: var(--accent-color); font-size: 1rem; text-transform: uppercase; letter-spacing: 1px; }
#tut-text { font-size: 0.9rem; line-height: 1.5; color: #ddd; margin-bottom: 20px; }
.tut-controls { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 10px; }
#tut-progress { font-size: 0.7rem; color: #888; font-family: monospace; }
#tut-next { background: white; color: black; border: none; padding: 6px 15px; border-radius: 4px; cursor: pointer; font-weight: bold; font-size: 0.8rem; transition: background 0.2s; }
#tut-next:hover { background: var(--accent-color); }
.tutorial-highlight { box-shadow: 0 0 15px var(--accent-color), inset 0 0 10px rgba(0,212,255,0.2) !important; border-color: var(--accent-color) !important; z-index: 1001 !important; background: rgba(0,0,0,0.8) !important; }

#overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: radial-gradient(circle at center, #1a1a1a 0%, #000 100%); display: flex; flex-direction: column; justify-content: center; align-items: center; z-index: 100; transition: opacity 1s ease-out; text-align: center; }
.main-title { font-size: 3rem; margin-bottom: 0.5rem; letter-spacing: 5px; font-weight: 200; }
.subtitle { font-size: 1rem; color: var(--accent-color); margin-bottom: 2rem; text-transform: uppercase; letter-spacing: 2px; }
.description { max-width: 600px; line-height: 1.6; color: rgba(255, 255, 255, 0.8); font-size: 1.1rem; margin-bottom: 3rem; font-weight: 300; }
.button-group { display: flex; flex-direction: column; gap: 15px; }
.start-btn { background: transparent; color: white; border: 1px solid white; padding: 15px 50px; font-size: 1rem; text-transform: uppercase; letter-spacing: 3px; cursor: pointer; transition: all 0.3s; min-width: 250px; }
.start-btn:hover { background: white; color: black; box-shadow: 0 0 30px rgba(255, 255, 255, 0.2); }
.tutorial-mode { background: rgba(0, 212, 255, 0.15); border-color: var(--accent-color); font-weight: bold; }
.tutorial-mode:hover { background: var(--accent-color); color: black; }

#log { position: absolute; bottom: 110px; left: 50%; transform: translateX(-50%); z-index: 10; font-size: 0.75rem; color: rgba(255, 255, 255, 0.5); text-align: center; pointer-events: none; }

@media (max-width: 768px) {
    #mixing-desk { width: 95%; bottom: 10px; flex-wrap: wrap; padding: 15px; gap: 15px; }
    .control-group { min-width: 45%; margin-bottom: 0; }
    .desktop-only { display: none; }
    #interface { padding: 15px; top: 15px; left: 15px; width: auto; min-width: 200px; }
    #audio-controls { bottom: 150px; }
    #view-switcher { top: 15px; } /* Auf Mobile etwas höher */
}