/* Main Container */
.audio-visualizer {
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0 auto;
    padding: 20px;
    background-color: #1a1a1a;
    color: #f0f0f0;
    max-width: 1000px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    border-radius: 10px;
}

/* Title */
.audio-visualizer h1 {
    color: #4CAF50;
    text-align: center;
    margin-bottom: 30px;
    font-weight: 300;
    letter-spacing: 1px;
}

/* Canvas */
.audio-visualizer canvas {
    background-color: #000;
    display: block;
    margin: 20px auto;
    width: 100%;
    height: 400px;
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.3);
}

/* Controls Container */
.audio-visualizer .controls {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin: 30px 0;
}

/* Buttons */
.audio-visualizer button {
    padding: 12px 24px;
    font-size: 16px;
    cursor: pointer;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 6px;
    min-width: 180px;
    transition: all 0.3s ease;
    font-weight: 500;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.audio-visualizer button:hover {
    background-color: #3e8e41;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.audio-visualizer button:active {
    transform: translateY(0);
}

/* Secondary Button */
.audio-visualizer button.secondary {
    background-color: #555;
}

.audio-visualizer button.secondary:hover {
    background-color: #666;
}

/* Control Groups */
.audio-visualizer .control-group {
    background-color: #2a2a2a;
    padding: 20px;
    border-radius: 10px;
    margin: 15px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.audio-visualizer .control-group h3 {
    color: #4CAF50;
    margin-top: 0;
    margin-bottom: 20px;
    font-weight: 400;
    border-bottom: 1px solid #444;
    padding-bottom: 10px;
}

/* Labels and Inputs */
.audio-visualizer label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: #ddd;
}

.audio-visualizer input[type="range"] {
    width: 100%;
    max-width: 400px;
    margin: 15px 0;
    height: 8px;
    -webkit-appearance: none;
    background: #444;
    border-radius: 4px;
    outline: none;
}

.audio-visualizer input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: #4CAF50;
    border-radius: 50%;
    cursor: pointer;
}

/* Device List */
.audio-visualizer #deviceList {
    margin: 20px auto;
    max-width: 600px;
    text-align: left;
}

.audio-visualizer .device-btn {
    display: block;
    width: 100%;
    padding: 12px 20px;
    margin: 8px 0;
    text-align: left;
    background-color: #333;
    border: none;
    border-radius: 6px;
    color: #eee;
    cursor: pointer;
    transition: all 0.2s;
}

.audio-visualizer .device-btn:hover {
    background-color: #444;
    transform: translateX(5px);
}

/* Visualization Options */
.visual-options {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin: 15px 0;
}

.visual-option {
    padding: 12px 20px;
    background-color: #333;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.visual-option:hover {
    background-color: #444;
    transform: translateY(-2px);
}

.visual-option.active {
    background-color: #4CAF50;
    transform: translateY(0);
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.5);
}

/* Fullscreen Mode */
.fullscreen .visual-options {
    position: fixed;
    bottom: 30px;
    left: 0;
    right: 0;
    z-index: 10000;
    padding: 15px;
    background-color: rgba(42, 42, 42, 0.9);
    backdrop-filter: blur(5px);
}

/* Utility Classes */
.hidden {
    display: none !important;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .audio-visualizer {
        padding: 15px;
    }
    
    .audio-visualizer canvas {
        height: 300px;
    }
    
    .audio-visualizer button {
        min-width: 140px;
        padding: 10px 15px;
    }
    
    .visual-options {
        gap: 8px;
    }
    
    .visual-option {
        padding: 10px 15px;
        font-size: 14px;
    }
}

/* Value Indicators */
.audio-visualizer .value-indicator {
    color: #4CAF50;
    font-weight: bold;
    margin-left: 5px;
}