:root {
    --background: hsl(0 0% 3.9%);
    --foreground: hsl(0 0% 98%);
    --primary: hsl(142.1 76.2% 36.3%);
    --primary-hover: hsl(142.1 76.2% 32.3%);
    --secondary: hsl(217, 91%, 60%);
    --secondary-hover: hsl(217, 91%, 55%);
    --muted: hsl(0 0% 15%);
    --muted-foreground: hsl(0 0% 63.9%);
    --border: hsl(0 0% 14.9%);
    --radius: 0.5rem;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    margin: 0;
    overflow: hidden;
    background: var(--background);
    color: var(--foreground);
}

#visualizer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: grab;
}

#visualizer:active {
    cursor: grabbing;
}

.controls-wrapper {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 320px;
    z-index: 100;
    transition: transform 0.3s ease;
}

.controls-wrapper.hidden {
    transform: translateX(340px);
}

#controls {
    background: var(--background);
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    backdrop-filter: blur(10px);
}

.show-ui-button {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--background);
    border: 1px solid var(--border);
    color: var(--foreground);
    padding: 0.5rem;
    border-radius: var(--radius);
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 90;
}

.show-ui-button.visible {
    opacity: 1;
}

.control-group {
    margin-bottom: 1.5rem;
}

.control-group:last-child {
    margin-bottom: 0;
}

.control-header {
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--muted-foreground);
}

input[type="range"] {
    width: 100%;
    height: 8px;
    background: var(--muted);
    border-radius: var(--radius);
    appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--foreground);
    border-radius: 50%;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-runnable-track {
    background: var(--primary);
    height: 8px;
    border-radius: 4px;
}

input[type="range"]::-moz-range-track {
    background: var(--primary);
    height: 8px;
    border-radius: 4px;
}

select {
    width: 100%;
    padding: 0.5rem;
    background: var(--muted);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--foreground);
    font-size: 0.875rem;
}

.button-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    margin-top: 1rem;
}

button {
    background: var(--muted);
    border: 1px solid var(--border);
    color: var(--foreground);
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.2s;
}

button:hover {
    background: var(--primary);
    border-color: var(--primary);
}

button:active {
    transform: translateY(1px);
}

button.primary {
    background: var(--primary);
    border-color: var(--primary);
}

button.primary:hover {
    background: var(--primary-hover);
}

button.secondary {
    background: var(--secondary);
    border-color: var(--secondary);
}

button.secondary:hover {
    background: var(--secondary-hover);
}

#fileInput {
    display: none;
}

.color-inputs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

input[type="color"] {
    width: 100%;
    height: 38px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--muted);
    cursor: pointer;
}

.audio-controls {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    margin-top: 1rem;
}

.audio-controls button {
    width: 100%;
}

.camera-controls {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    background: var(--background);
    padding: 0.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.spectrum-display {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: var(--background);
    padding: 1rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    width: 200px;
}

.frequency-bar {
    width: 100%;
    height: 4px;
    background: var(--muted);
    margin-bottom: 4px;
    border-radius: 2px;
}

.frequency-bar div {
    height: 100%;
    background: var(--primary);
    border-radius: 2px;
    transition: width 0.1s ease;
}

.preset-button {
    background: var(--muted);
    border: 1px solid var(--border);
    color: var(--foreground);
    padding: 0.5rem;
    border-radius: var(--radius);
    margin: 0.25rem;
    cursor: pointer;
    font-size: 0.875rem;
}

.preset-button:hover {
    background: var(--primary);
}

.tooltip {
    position: absolute;
    background: var(--background);
    padding: 0.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    font-size: 0.75rem;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
}

.keybind-info {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--background);
    padding: 0.75rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    font-size: 0.75rem;
    opacity: 0.7;
}

.tabs {
    display: flex;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.tab {
    padding: 0.5rem 1rem;
    cursor: pointer;
    border-bottom: 2px solid transparent;
}

.tab.active {
    border-bottom-color: var(--primary);
    color: var(--primary);
}

/* Responsive styles */
@media (max-width: 768px) {
    .controls-wrapper {
        width: 100%;
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        transform: translateY(100%);
    }

    .controls-wrapper.hidden {
        transform: translateY(100%);
    }

    #controls {
        border-radius: var(--radius) var(--radius) 0 0;
    }

    .show-ui-button {
        top: auto;
        bottom: 20px;
    }

    .camera-controls {
        bottom: 80px;
    }

    .spectrum-display {
        bottom: 80px;
    }

    .keybind-info {
        display: none;
    }
}

@media (max-width: 480px) {
    .button-group,
    .color-inputs,
    .audio-controls {
        grid-template-columns: 1fr;
    }

    .preset-buttons {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
    }

    .preset-button {
        flex: 1 1 auto;
        min-width: 80px;
    }
}

.loading {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.5rem;
    color: var(--foreground);
    background-color: var(--background);
    padding: 1rem;
    border-radius: var(--radius);
    z-index: 1000;
}

#visualizer canvas {
    transition: background-color 0.3s ease;
}