/* 
 * Aura Precision 4.0 Design System
 * Music Mixer Studio Console
 * 
 * @author RN
 * @version 1.0.0
 */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700&family=JetBrains+Mono&display=swap');

:root {
    --bg-deep: #0a0a0c;
    --bg-card: rgba(20, 20, 22, 0.7);
    --accent-cyan: #00f2ff;
    --accent-pink: #ff2d55;
    --accent-green: #00ff88;
    --accent-amber: #ff9800;
    --text-main: #ffffff;
    --text-dim: #a0a0a5;
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-blur: blur(16px);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-deep);
    background-image: 
        radial-gradient(circle at 50% -20%, rgba(0, 242, 255, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 0% 100%, rgba(255, 45, 85, 0.05) 0%, transparent 40%);
    color: var(--text-main);
    font-family: 'Outfit', sans-serif;
    min-height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Header & Visualizer */
.top-deck {
    height: 180px;
    padding: 20px 40px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    background: linear-gradient(to bottom, rgba(0,0,0,0.5), transparent);
}

.deck-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

h1 {
    font-size: 2.2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Spectrum Canvas */
#visualizer {
    width: 100%;
    height: 60px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 4px;
}

/* Studio Grid */
.studio-grid {
    flex: 1;
    display: flex;
    gap: 15px;
    padding: 20px 40px;
    overflow-x: auto;
    background: rgba(0,0,0,0.2);
}

/* Track Lane */
.track-lane {
    width: 160px;
    min-width: 160px;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur);
    border-radius: 8px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.track-lane:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.track-name {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
    color: var(--text-dim);
}

/* Faders & Sliders */
.fader-wrapper {
    height: 250px;
    width: 40px;
    position: relative;
    display: flex;
    justify-content: center;
}

input[type="range"].v-fader {
    appearance: none;
    width: 250px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
    transform: rotate(-90deg) translate(-105px, 0);
    transform-origin: center;
    border-radius: 2px;
}

input[type="range"].v-fader::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 35px;
    background: var(--accent-cyan);
    border-radius: 4px;
    cursor: pointer;
    box-shadow: 0 0 15px var(--accent-cyan);
}

.pan-wrapper {
    width: 100%;
}

input[type="range"].h-pan {
    appearance: none;
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
    border-radius: 2px;
}

input[type="range"].h-pan::-webkit-slider-thumb {
    appearance: none;
    width: 12px;
    height: 12px;
    background: white;
    border-radius: 50%;
    cursor: pointer;
}

/* Buttons */
.btn-grid {
    display: flex;
    gap: 8px;
    width: 100%;
}

.mix-btn {
    flex: 1;
    padding: 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    color: var(--text-dim);
    font-size: 0.65rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.mix-btn.active {
    background: var(--accent-pink);
    color: white;
    border-color: transparent;
    box-shadow: 0 0 10px rgba(255, 45, 85, 0.3);
}

/* Master Strip */
.master-strip {
    height: 100px;
    background: var(--bg-card);
    border-top: 1px solid var(--glass-border);
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.transport-controls {
    display: flex;
    gap: 20px;
}

.transport-btn {
    background: transparent;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.transport-btn:hover {
    color: var(--accent-cyan);
    transform: scale(1.1);
}

.master-fader-wrapper {
    width: 300px;
    display: flex;
    align-items: center;
    gap: 15px;
}