:root {
    --bg-color: #050a0f;
    --panel-bg: rgba(10, 20, 30, 0.85);
    --primary: #00ff9d;
    --primary-dim: rgba(0, 255, 157, 0.2);
    --secondary: #00b8ff;
    --text: #e0f0ff;
    --grid: rgba(0, 255, 157, 0.05);
    --border: 1px solid rgba(0, 255, 157, 0.3);
}

* {
    box-sizing: border-box;
    user-select: none;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text);
    font-family: 'Rajdhani', sans-serif;
    overflow: hidden;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Scanlines Effect */
.scan-lines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(0deg,
            rgba(0, 0, 0, 0.15),
            rgba(0, 0, 0, 0.15) 1px,
            transparent 1px,
            transparent 2px);
    pointer-events: none;
    z-index: 10;
}

.app-container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
}

header {
    border-bottom: 1px solid var(--primary);
    padding-bottom: 10px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

h1 {
    font-family: 'Share Tech Mono', monospace;
    margin: 0;
    font-size: 2.5rem;
    letter-spacing: 2px;
    text-shadow: 0 0 10px var(--primary-dim);
}

.highlight {
    color: var(--primary);
}

.status-bar {
    font-family: 'Share Tech Mono', monospace;
    color: var(--primary);
    font-size: 1rem;
}

.blink {
    animation: blink 1s infinite;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
    min-height: 0;
    /* Important for flex scrolling */
}

/* Upload Section */
.upload-section {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed rgba(0, 255, 157, 0.3);
    border-radius: 10px;
    background: rgba(0, 20, 40, 0.4);
    transition: all 0.3s;
}

.upload-section.dragover {
    background: rgba(0, 255, 157, 0.1);
    border-color: var(--primary);
    box-shadow: 0 0 20px var(--primary-dim);
}

.upload-content {
    text-align: center;
}

.upload-content svg {
    color: var(--primary);
    margin-bottom: 15px;
    filter: drop-shadow(0 0 5px var(--primary));
}

.cyber-btn {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 10px 25px;
    font-family: 'Share Tech Mono', monospace;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.cyber-btn:hover {
    background: var(--primary);
    color: #000;
    box-shadow: 0 0 15px var(--primary);
}

.cyber-btn:active {
    transform: scale(0.98);
}

.cyber-btn.active {
    background: var(--primary);
    color: #000;
    box-shadow: 0 0 10px var(--primary);
}

/* Visualizer */
.visualizer-container {
    flex: 2;
    background: #000;
    border: 1px solid #333;
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-radius: 5px;
}

.canvas-wrapper {
    flex: 1;
    position: relative;
    border-bottom: 1px solid #222;
}

.canvas-wrapper:last-child {
    border-bottom: none;
}

canvas {
    display: block;
    width: 100%;
    height: 100%;
}

.label {
    position: absolute;
    top: 5px;
    left: 10px;
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    pointer-events: none;
    background: rgba(0, 0, 0, 0.5);
    padding: 2px 5px;
    border-radius: 3px;
    z-index: 5;
}

.playback-indicator {
    position: absolute;
    top: 0;
    left: 0;
    width: 2px;
    height: 100%;
    background: #ff0055;
    z-index: 5;
    pointer-events: none;
    box-shadow: 0 0 5px #ff0055;
    transform: translateX(0);
}

/* Controls */
.controls-panel {
    background: var(--panel-bg);
    border: 1px solid #333;
    padding: 15px;
    display: flex;
    gap: 20px;
    align-items: center;
    border-radius: 5px;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.control-group.expanded {
    flex: 1;
}

.btn-row {
    display: flex;
    gap: 5px;
}

.icon-btn {
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

input[type=range] {
    -webkit-appearance: none;
    width: 100%;
    background: transparent;
}

input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: 16px;
    width: 16px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    margin-top: -6px;
    box-shadow: 0 0 5px var(--primary);
}

input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 4px;
    cursor: pointer;
    background: #333;
    border-radius: 2px;
}

/* Metadata */
.metadata-panel {
    display: flex;
    justify-content: space-between;
    background: rgba(0, 20, 30, 0.5);
    padding: 10px;
    border: 1px solid rgba(0, 255, 157, 0.1);
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.9rem;
}

.meta-item {
    display: flex;
    gap: 10px;
}

.meta-label {
    color: #666;
}

.meta-val {
    color: var(--secondary);
}