@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700;800&display=swap');

:root {
    /* Vaporwave Palette */
    --deep-purple: #0a0a1a;
    --panel-bg: #12122a;
    --panel-light: #1a1a3e;
    --coral: #ff8f6b;
    --coral-bright: #ff7b7b;
    --neon-cyan: #05d9e8;
    --neon-purple: #a855f7;
    --text-primary: #e0e0ff;
    --text-dim: #8080a0;
    --grid-line: rgba(255, 255, 255, 0.03);
    
    /* Pedal Colors */
    --temporal-echo: linear-gradient(145deg, #ff8f6b, #a855f7);
    --chromatic-aberration: linear-gradient(145deg, #9b59b6, #a855f7);
    --motion-blur: linear-gradient(145deg, #05d9e8, #a855f7);
    --echo-phantom: linear-gradient(145deg, #5d6d7e, #a855f7);
}

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

body {
    font-family: 'JetBrains Mono', 'Consolas', monospace;
    background: var(--deep-purple);
    color: var(--text-primary);
    min-height: 100vh;
    overflow: hidden;
}

/* Retro Grid Background */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
}

.app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: relative;
    z-index: 1;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 32px;
    background: linear-gradient(90deg,
        rgba(255, 143, 107, 0.08),
        rgba(5, 217, 232, 0.08)
    );
    border-bottom: 2px solid var(--coral);
    box-shadow: 0 2px 20px rgba(255, 143, 107, 0.15);
    flex-shrink: 0;
}

.header h1 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 28px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 4px;
    background: linear-gradient(180deg,
        var(--coral-bright) 0%,
        var(--neon-purple) 50%,
        var(--neon-cyan) 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-actions {
    display: flex;
    gap: 16px;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border-radius: 6px;
    border: 2px solid;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    border-color: var(--coral);
    color: var(--coral);
    background: linear-gradient(145deg,
        rgba(255, 143, 107, 0.1),
        rgba(255, 143, 107, 0.05)
    );
    box-shadow: 0 0 20px rgba(255, 143, 107, 0.2);
}

.btn-primary:hover {
    background: rgba(255, 143, 107, 0.2);
    box-shadow: 0 0 40px rgba(255, 143, 107, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    background: transparent;
    box-shadow: 0 0 20px rgba(5, 217, 232, 0.1);
}

.btn-secondary:hover {
    background: rgba(5, 217, 232, 0.1);
    box-shadow: 0 0 30px rgba(5, 217, 232, 0.3);
}

.btn-full {
    width: 100%;
    margin-top: 16px;
}

/* Main Grid */
.main-grid {
    display: grid;
    grid-template-columns: 280px 1fr 280px;
    gap: 3px;
    background: rgba(0, 0, 0, 0.3);
    padding: 3px;
    flex: 1;
    min-height: 0;
}

.panel {
    background: linear-gradient(180deg,
        rgba(18, 18, 42, 0.95),
        rgba(10, 10, 26, 0.98)
    );
    padding: 24px;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.panel h2 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--neon-cyan);
    text-shadow: 0 0 20px rgba(5, 217, 232, 0.6);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--coral);
    box-shadow: 0 4px 20px rgba(255, 143, 107, 0.15);
    flex-shrink: 0;
}

/* Video Containers with Scanlines */
.video-container {
    flex: 1;
    background: linear-gradient(145deg, #050510, #0a0a1a);
    border: 2px solid var(--neon-cyan);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    min-height: 0;
    box-shadow:
        inset 0 0 40px rgba(5, 217, 232, 0.1),
        0 0 30px rgba(5, 217, 232, 0.15);
}

/* Scanline effect */
.video-container::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(5, 217, 232, 0.03) 2px,
        rgba(5, 217, 232, 0.03) 4px
    );
    pointer-events: none;
    z-index: 2;
}

.video-container video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    position: relative;
    z-index: 1;
}

.output-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dim);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 2px;
    z-index: 1;
}

.output-placeholder.hidden {
    display: none;
}

/* Chain Panel */
.chain-panel {
    padding: 24px 32px;
}

.chain-slots {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex: 1;
}

.chain-slot {
    width: 140px;
    height: 190px;
    background: linear-gradient(145deg,
        var(--panel-light),
        rgba(10, 10, 26, 0.8)
    );
    border: 2px dashed rgba(255, 143, 107, 0.3);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.2s;
    position: relative;
    flex-shrink: 0;
}

.chain-slot.empty {
    cursor: pointer;
}

.chain-slot.empty:hover {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 30px rgba(5, 217, 232, 0.2);
}

.chain-slot.drag-over {
    border-color: var(--neon-cyan);
    background: rgba(5, 217, 232, 0.1);
    box-shadow: 0 0 40px rgba(5, 217, 232, 0.3);
}

.chain-slot.occupied {
    border-style: solid;
    border-color: var(--neon-purple);
    box-shadow: 0 0 30px rgba(168, 85, 247, 0.2);
    cursor: pointer;
    padding: 12px;
}

.chain-slot.occupied:hover {
    border-color: var(--coral);
    box-shadow: 0 0 40px rgba(255, 143, 107, 0.3);
}

.slot-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    font-weight: 800;
    color: var(--neon-cyan);
    text-shadow: 0 0 20px rgba(5, 217, 232, 0.6);
}

.slot-hint {
    font-size: 9px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.chain-connector {
    color: var(--neon-purple);
    font-size: 18px;
    font-weight: 900;
    text-shadow: 0 0 20px rgba(168, 85, 247, 0.8);
}

/* Pedal in Chain */
.pedal-in-chain {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    height: 100%;
    width: 100%;
}

.pedal-in-chain .pedal-icon-circle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    position: relative;
    box-shadow: 0 0 30px rgba(255, 143, 107, 0.3);
}

/* Pedal type colors */
.pedal-in-chain .pedal-icon-circle.temporal-echo {
    background: linear-gradient(145deg, #ff8f6b, #a855f7);
}

.pedal-in-chain .pedal-icon-circle.chromatic-aberration {
    background: linear-gradient(145deg, #9b59b6, #a855f7);
}

.pedal-in-chain .pedal-icon-circle.motion-blur {
    background: linear-gradient(145deg, #05d9e8, #a855f7);
}

.pedal-in-chain .pedal-icon-circle.echo-phantom {
    background: linear-gradient(145deg, #5d6d7e, #a855f7);
}

.pedal-in-chain .pedal-icon-circle::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 14px;
    background: var(--neon-cyan);
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(5, 217, 232, 0.8);
}

.pedal-in-chain h4 {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
    color: var(--neon-cyan);
    text-shadow: 0 0 10px rgba(5, 217, 232, 0.5);
}

.pedal-knobs {
    display: flex;
    gap: 10px;
    width: 100%;
    margin-top: auto;
    padding-top: 8px;
}

.pedal-knob {
    flex: 1;
    text-align: center;
}

.pedal-knob label {
    font-size: 8px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-dim);
    display: block;
    margin-bottom: 6px;
}

/* Vaporwave Slider for knobs */
.pedal-knob input[type="range"] {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: linear-gradient(90deg,
        rgba(255, 143, 107, 0.2),
        rgba(168, 85, 247, 0.2)
    );
    border-radius: 3px;
    outline: none;
}

.pedal-knob input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 10px;
    background: linear-gradient(180deg,
        var(--panel-light),
        #0d0d20
    );
    border: 2px solid var(--neon-cyan);
    border-radius: 2px;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(5, 217, 232, 0.4);
}

.pedal-knob input[type="range"]::-webkit-slider-thumb::after {
    content: '';
    position: absolute;
    width: 6px;
    height: 2px;
    background: var(--coral);
}

.pedal-knob input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 10px;
    background: linear-gradient(180deg,
        var(--panel-light),
        #0d0d20
    );
    border: 2px solid var(--neon-cyan);
    border-radius: 2px;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(5, 217, 232, 0.4);
}

.pedal-knob .value {
    font-size: 9px;
    font-weight: 700;
    color: var(--coral);
    text-align: center;
    display: block;
    margin-top: 4px;
    text-shadow: 0 0 10px rgba(255, 143, 107, 0.5);
}

.pedal-remove {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--coral);
    color: white;
    border: none;
    font-size: 12px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.15s;
    line-height: 1;
    box-shadow: 0 0 10px rgba(255, 143, 107, 0.5);
}

.chain-slot.occupied:hover .pedal-remove {
    opacity: 1;
}

/* Bottom Drawer */
.drawer {
    background: linear-gradient(90deg,
        rgba(255, 143, 107, 0.05),
        rgba(5, 217, 232, 0.05)
    );
    border-top: 2px solid var(--neon-purple);
    flex-shrink: 0;
    transition: transform 0.3s ease;
    box-shadow: 0 -4px 20px rgba(168, 85, 247, 0.1);
}

.drawer.collapsed .drawer-content {
    height: 0;
    overflow: hidden;
}

.drawer.collapsed .drawer-label {
    transform: rotate(0deg);
}

.drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 32px;
    cursor: pointer;
    user-select: none;
    background: linear-gradient(90deg,
        rgba(255, 143, 107, 0.1),
        rgba(5, 217, 232, 0.1)
    );
}

.drawer-header:hover {
    background: linear-gradient(90deg,
        rgba(255, 143, 107, 0.15),
        rgba(5, 217, 232, 0.15)
    );
}

.drawer-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--neon-cyan);
    text-shadow: 0 0 20px rgba(5, 217, 232, 0.6);
    transition: transform 0.3s ease;
}

.drawer.collapsed .drawer-label {
    transform: rotate(-90deg);
}

.drawer-hint {
    font-size: 11px;
    color: var(--text-dim);
}

.drawer-content {
    padding: 20px 32px;
    height: 200px;
    overflow-y: auto;
    transition: height 0.3s ease;
}

/* Pedal Grid */
.pedal-grid {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    padding-bottom: 12px;
}

.pedal-grid::-webkit-scrollbar {
    height: 8px;
}

.pedal-grid::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 4px;
}

.pedal-grid::-webkit-scrollbar-thumb {
    background: linear-gradient(90deg,
        var(--coral),
        var(--neon-purple)
    );
    border-radius: 4px;
}

.pedal-card {
    flex: 0 0 160px;
    background: linear-gradient(145deg,
        var(--panel-light),
        rgba(10, 10, 26, 0.8)
    );
    border: 2px solid rgba(5, 217, 232, 0.3);
    border-radius: 12px;
    padding: 20px;
    cursor: grab;
    transition: all 0.2s;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.pedal-card:hover {
    border-color: var(--neon-cyan);
    transform: translateY(-4px);
    box-shadow:
        0 8px 24px rgba(0, 0, 0, 0.4),
        0 0 30px rgba(5, 217, 232, 0.2);
}

.pedal-card.dragging {
    opacity: 0.5;
}

.pedal-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
    border-radius: 50%;
    position: relative;
    box-shadow: 0 0 30px rgba(255, 143, 107, 0.3);
}

.pedal-icon::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 14px;
    background: var(--neon-cyan);
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(5, 217, 232, 0.8);
}

/* Default pedal icon gradient */
.pedal-icon {
    background: linear-gradient(145deg, #ff8f6b, #a855f7);
}

.pedal-card[data-pedal="chromatic-aberration"] .pedal-icon {
    background: linear-gradient(145deg, #9b59b6, #a855f7);
}

.pedal-card[data-pedal="motion-blur"] .pedal-icon {
    background: linear-gradient(145deg, #05d9e8, #a855f7);
}

.pedal-card[data-pedal="echo-phantom"] .pedal-icon {
    background: linear-gradient(145deg, #5d6d7e, #a855f7);
}

.pedal-card h3 {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.pedal-card p {
    font-size: 10px;
    color: var(--text-dim);
    line-height: 1.4;
}

/* Empty state */
.empty-state {
    text-align: center;
    color: var(--text-dim);
    padding: 40px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Loading state */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Flash message */
.flash {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 14px 28px;
    border-radius: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    z-index: 1000;
    animation: flashIn 0.3s ease;
    border: 2px solid;
}

.flash.success {
    background: rgba(5, 217, 232, 0.1);
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    box-shadow: 0 0 40px rgba(5, 217, 232, 0.3);
}

.flash.error {
    background: rgba(255, 143, 107, 0.1);
    border-color: var(--coral);
    color: var(--coral);
    box-shadow: 0 0 40px rgba(255, 143, 107, 0.3);
}

@keyframes flashIn {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* Responsive */
@media (max-width: 900px) {
    .main-grid {
        grid-template-columns: 1fr;
    }
    
    .header h1 {
        font-size: 20px;
    }
    
    .chain-slots {
        flex-wrap: wrap;
    }
}