/* Atomic Orbital / Quantum Lab – dark mode, neon blue/magenta, max-width 800px */
#content_sim .quantum-lab {
    max-width: 800px;
    margin: 0 auto;
    background: #050505;
    color: #e0e0e0;
    font-family: 'Courier New', monospace;
    padding: 16px;
    border-radius: 8px;
    border: 1px solid #333;
}

#content_sim .quantum-lab h2 {
    margin: 0 0 12px 0;
    font-size: 18px;
    color: #00f2ff;
    border-bottom: 1px solid #333;
    padding-bottom: 6px;
}

#content_sim .quantum-container {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: flex-start;
}

#content_sim .quantum-controls {
    flex: 0 0 260px;
    background: rgba(0, 0, 0, 0.6);
    padding: 14px;
    border-radius: 6px;
    border: 1px solid #333;
}

#content_sim .quantum-row {
    margin: 10px 0;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

#content_sim .quantum-row label {
    min-width: 90px;
    color: #aaa;
    font-size: 12px;
}

#content_sim .quantum-row input[type="range"] {
    flex: 1;
    min-width: 80px;
    accent-color: #00f2ff;
}

#content_sim .quantum-row select {
    background: #111;
    color: #00f2ff;
    border: 1px solid #444;
    padding: 4px 8px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
}

#content_sim .quantum-val {
    color: #ff00ea;
    font-weight: bold;
    min-width: 24px;
}

#content_sim .quantum-controls hr {
    border: none;
    border-top: 1px solid #333;
    margin: 12px 0;
}

#content_sim .quantum-aufbau h4 {
    margin: 0 0 8px 0;
    font-size: 12px;
    color: #00f2ff;
}

#content_sim .quantum-energy-level {
    margin: 8px 0;
    border-bottom: 1px solid #333;
    padding-bottom: 6px;
}

#content_sim .quantum-subshell-label {
    display: inline-block;
    width: 32px;
    font-weight: bold;
    color: #ff00ea;
    font-size: 12px;
}

#content_sim .quantum-orbital-slot {
    display: inline-block;
    width: 22px;
    height: 22px;
    border: 2px solid #00f2ff;
    margin: 2px;
    text-align: center;
    line-height: 18px;
    font-size: 11px;
    background: #0a0a0a;
    color: #ff00ea;
    vertical-align: middle;
}

#content_sim .quantum-orbital-slot.filled {
    background: rgba(0, 242, 255, 0.15);
    border-color: #00f2ff;
}

#content_sim .quantum-orbital-slot .electron-up::after {
    content: '↑';
    color: #00f2ff;
}

#content_sim .quantum-orbital-slot .electron-down::after {
    content: '↓';
    color: #ff00ea;
}

#content_sim .quantum-viz {
    flex: 1;
    min-width: 320px;
    position: relative;
}

#content_sim .quantum-canvas-wrap {
    position: relative;
    width: 100%;
    max-width: 500px;
    height: 400px;
    background: #0a0a0a;
    border-radius: 6px;
    border: 1px solid #333;
    overflow: hidden;
    box-shadow: 0 0 20px rgba(0, 242, 255, 0.15), 0 0 40px rgba(255, 0, 234, 0.08);
}

#content_sim #quantum-canvas-container {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

#content_sim .quantum-canvas-wrap canvas {
    display: block;
    width: 100%;
    height: 100%;
}

#content_sim .quantum-cam-btns {
    position: absolute;
    top: 8px;
    left: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

#content_sim .quantum-cam-btn {
    padding: 4px 8px;
    font-family: 'Courier New', monospace;
    font-size: 11px;
    background: rgba(0, 0, 0, 0.8);
    color: #00f2ff;
    border: 1px solid #444;
    border-radius: 3px;
    cursor: pointer;
}

#content_sim .quantum-cam-btn:hover {
    background: rgba(0, 242, 255, 0.2);
    border-color: #00f2ff;
}

#content_sim .quantum-legend {
    margin-top: 8px;
    font-size: 11px;
    color: #888;
}

#content_sim .quantum-legend span.phase-pos {
    color: #00f2ff;
    text-shadow: 0 0 8px rgba(0, 242, 255, 0.8);
}
#content_sim .quantum-legend span.phase-neg {
    color: #ff00ea;
    text-shadow: 0 0 8px rgba(255, 0, 234, 0.8);
}

#content_sim .quantum-psi-hud {
    position: absolute;
    bottom: 8px;
    left: 8px;
    font-family: 'Courier New', monospace;
    font-size: 10px;
    color: #00f2ff;
    background: rgba(0, 0, 0, 0.85);
    padding: 4px 8px;
    border-radius: 3px;
    border: 1px solid rgba(0, 242, 255, 0.4);
    display: none;
    pointer-events: none;
    text-shadow: 0 0 6px rgba(0, 242, 255, 0.5);
}

#content_sim .quantum-row button {
    padding: 4px 10px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    background: #111;
    color: #00f2ff;
    border: 1px solid #444;
    border-radius: 3px;
    cursor: pointer;
}

#content_sim .quantum-row button:hover {
    background: rgba(0, 242, 255, 0.15);
    border-color: #00f2ff;
}

@media (max-width: 640px) {
    #content_sim .quantum-container {
        flex-direction: column;
    }
    #content_sim .quantum-controls {
        flex: 1 1 auto;
    }
}