:root {
    --bg-color: #1a1a1a;
    --text-color: #cccccc;
    --text-dim: #888888;
    --accent-color: #ffffff;
    --panel-bg: #222222;
    --panel-border: #333333;
    --input-bg: #2a2a2a;
    --slider-track: #3a3a3a;
    --font-main: -apple-system, BlinkMacSystemFont, 'Helvetica Neue', 'Arial', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    overflow: hidden;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Cursor hide class */
body.hide-cursor,
body.hide-cursor * {
    cursor: none !important;
}



#app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    padding: 10px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--panel-border);
    padding-bottom: 8px;
    margin-bottom: 8px;
    flex-shrink: 0;
}

.header-controls {
    display: flex;
    gap: 10px;
}

/* UI Hide class */
.ui-hidden {
    opacity: 0;
    pointer-events: none;
}

h1 {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-color);
}

h2 {
    font-size: 0.6rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-color);
    border-bottom: 1px solid var(--panel-border);
    padding-bottom: 4px;
    margin-bottom: 8px;
}

h3 {
    font-size: 0.5rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-dim);
    margin-bottom: 3px;
    margin-top: 8px;
}

button {
    background: transparent;
    border: 1px solid var(--panel-border);
    color: var(--text-dim);
    padding: 4px 8px;
    font-family: var(--font-main);
    cursor: pointer;
    text-transform: uppercase;
    transition: all 0.15s;
    font-size: 0.5rem;
    font-weight: 400;
    letter-spacing: 0.05em;
}

button:hover {
    color: var(--text-color);
    border-color: var(--text-dim);
}

button.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--bg-color);
}

main {
    display: grid;
    grid-template-columns: 160px 1fr 160px;
    gap: 0;
    flex: 1;
    overflow: hidden;
}

.canvas-container {
    position: relative;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

canvas {
    max-width: 100%;
    max-height: 100%;
    image-rendering: auto;
    pointer-events: auto;
    cursor: default;
}

/* Control Sidebars */
.controls {
    background: var(--panel-bg);
    border-right: 1px solid var(--panel-border);
    border-left: 1px solid var(--panel-border);
    padding: 8px;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.controls::-webkit-scrollbar {
    width: 4px;
}

.controls::-webkit-scrollbar-track {
    background: transparent;
}

.controls::-webkit-scrollbar-thumb {
    background: var(--panel-border);
}

.controls::-webkit-scrollbar-thumb:hover {
    background: var(--text-dim);
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.control-group button {
    width: 100%;
}

.control-group label {
    font-size: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 4px;
    color: var(--text-dim);
    font-weight: 400;
}

input[type="range"] {
    width: 100%;
    height: 2px;
    background: var(--slider-track);
    outline: none;
    border: none;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 10px;
    height: 10px;
    background: var(--accent-color);
    cursor: pointer;
    border-radius: 0;
}

input[type="range"]::-webkit-slider-thumb:hover {
    background: var(--text-color);
}

input[type="range"]::-moz-range-thumb {
    width: 10px;
    height: 10px;
    background: var(--accent-color);
    cursor: pointer;
    border: none;
    border-radius: 0;
}

input[type="range"]::-moz-range-thumb:hover {
    background: var(--text-color);
}

select {
    background: var(--input-bg);
    color: var(--text-color);
    border: 1px solid var(--panel-border);
    padding: 3px 4px;
    font-family: var(--font-main);
    font-size: 0.5rem;
    cursor: pointer;
}

select:hover {
    border-color: var(--text-dim);
}

select:focus {
    outline: none;
    border-color: var(--text-color);
}

/* Overlay */
.overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    color: var(--accent-color);
    text-shadow: 0 0 10px var(--accent-color);
    pointer-events: none;
    z-index: 10;
}

/* Canvas Buttons */
.fullscreen-btn,
.canvas-feedback-btn,
.timebased-btn {
    position: absolute;
    top: 8px;
    background: rgba(34, 34, 34, 0.9);
    border: 1px solid var(--panel-border);
    color: var(--text-dim);
    padding: 6px 10px;
    font-size: 0.9rem;
    z-index: 20;
}

.fullscreen-btn:hover,
.canvas-feedback-btn:hover,
.timebased-btn:hover {
    color: var(--text-color);
    border-color: var(--text-dim);
}

.fullscreen-btn {
    right: 10px;
}

.canvas-feedback-btn {
    right: 60px;
}

.timebased-btn {
    left: 10px;
}

.canvas-feedback-btn.active,
.timebased-btn.active {
    background: var(--accent-color);
    color: var(--bg-color);
    border-color: var(--accent-color);
}

/* Fullscreen mode adjustments */
.canvas-container:fullscreen {
    background: #000;
}

.canvas-container:fullscreen canvas {
    max-width: 100vw;
    max-height: 100vh;
}