/* ==========================================================================
   Niffty DJ - Ergonomic Pro Deck Panels (Tightly Spaced Aux, Max Turntable, Long Pitch Fader)
   ========================================================================== */

.dj-deck-panel {
    display: flex;
    flex-direction: column;
    padding: 4px 6px;
    background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-primary) 100%);
    border-right: 1px solid var(--border-subtle);
    gap: 3px;
    position: relative;
    overflow: hidden;
    height: 100%;
    box-sizing: border-box;
    justify-content: space-between;
}

.dj-deck-panel[data-deck="0"] {
    border-top: 2px solid var(--neon-cyan);
}

.dj-deck-panel[data-deck="1"] {
    border-right: none;
    border-left: 1px solid var(--border-subtle);
    border-top: 2px solid var(--neon-magenta);
}

/* Deck Header / Track Info */
.deck-info-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--bg-surface-elevated);
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid var(--border-subtle);
    flex-shrink: 0;
}

.deck-identity {
    display: flex;
    align-items: center;
    gap: 5px;
}

.deck-badge {
    font-size: 9.5px;
    font-weight: 800;
    padding: 1px 4px;
    border-radius: 3px;
    color: #000;
}

/* Deck Layer Switcher (Serato DJ Pro 4-Deck Dual Layer) */
.deck-layer-toggle-group {
    display: none;
    align-items: center;
    gap: 2px;
}

body.four-decks-active .deck-layer-toggle-group {
    display: flex;
}

.deck-layer-btn {
    width: 20px;
    height: 16px;
    font-size: 8.5px;
    font-weight: 900;
    border-radius: 2px;
    cursor: pointer;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    transition: all 0.15s ease;
    padding: 0;
    line-height: 14px;
    text-align: center;
}

.deck-layer-btn:hover {
    border-color: var(--neon-cyan);
    color: #fff;
}

.deck-layer-btn.active {
    background: var(--neon-cyan);
    color: #000;
    font-weight: 900;
    border-color: var(--neon-cyan);
    box-shadow: 0 0 8px rgba(0, 242, 254, 0.6);
}

.deck-layer-toggle-group[data-side="left"] .deck-layer-btn[data-target-deck="2"].active {
    background: #ffaa00;
    border-color: #ffaa00;
    box-shadow: 0 0 8px rgba(255, 170, 0, 0.6);
    color: #000;
}

.deck-layer-toggle-group[data-side="right"] .deck-layer-btn[data-target-deck="1"].active {
    background: var(--neon-magenta);
    border-color: var(--neon-magenta);
    box-shadow: 0 0 8px rgba(247, 37, 133, 0.6);
    color: #fff;
}

.deck-layer-toggle-group[data-side="right"] .deck-layer-btn[data-target-deck="3"].active {
    background: #a855f7;
    border-color: #a855f7;
    box-shadow: 0 0 8px rgba(168, 85, 247, 0.6);
    color: #fff;
}

.dj-deck-panel[data-deck="0"] .deck-badge {
    background-color: var(--neon-cyan);
}

.dj-deck-panel[data-deck="1"] .deck-badge {
    background-color: var(--neon-magenta);
}

.deck-track-meta {
    display: flex;
    flex-direction: column;
}

.deck-track-title {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-primary);
    max-width: 160px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.deck-track-artist {
    font-size: 8.5px;
    color: var(--text-muted);
}

.deck-instant-double-btn {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text-secondary);
    font-size: 8px;
    font-weight: 900;
    padding: 1px 4px;
    border-radius: 3px;
    cursor: pointer;
    line-height: 1.2;
    transition: all 0.15s ease;
}

.deck-instant-double-btn:hover {
    background: rgba(0, 242, 254, 0.2);
    border-color: var(--neon-cyan);
    color: #fff;
    box-shadow: 0 0 6px rgba(0, 242, 254, 0.4);
}

.deck-instant-double-btn.flash {
    background: var(--neon-emerald);
    color: #000;
    box-shadow: 0 0 10px var(--neon-emerald);
}

.deck-energy-badge {
    display: flex;
    align-items: center;
    gap: 2px;
    background: rgba(255, 170, 0, 0.12);
    border: 1px solid rgba(255, 170, 0, 0.3);
    padding: 1px 4px;
    border-radius: 3px;
}

.deck-energy-badge .energy-icon {
    font-size: 7.5px;
}

.deck-energy-badge .energy-val {
    font-size: 8.5px;
    font-weight: 900;
    font-family: var(--font-mono);
    color: #ffaa00;
}

.key-box-header {
    display: flex;
    align-items: center;
    gap: 4px;
    justify-content: flex-end;
}

.key-shift-controls {
    display: flex;
    align-items: center;
    gap: 1px;
}

.key-shift-btn {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    font-size: 7.5px;
    font-weight: 900;
    padding: 1px 3px;
    border-radius: 2px;
    cursor: pointer;
    line-height: 1;
    transition: all 0.1s ease;
}

.key-shift-btn:hover {
    border-color: var(--neon-cyan);
    color: #fff;
}

.key-shift-btn:active {
    background: var(--neon-cyan);
    color: #000;
}

/* Beat Jump Performance Quick Strip */
.beat-jump-strip {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 3px;
    padding: 2px 4px;
    gap: 4px;
}

.beat-jump-label {
    font-size: 7.5px;
    font-weight: 900;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.beat-jump-btns {
    display: flex;
    align-items: center;
    gap: 2px;
    flex: 1;
    justify-content: flex-end;
}

.beat-jump-btn {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    font-size: 7.5px;
    font-weight: 800;
    padding: 2px 4px;
    border-radius: 2px;
    cursor: pointer;
    transition: all 0.12s ease;
    font-family: var(--font-mono);
}

.beat-jump-btn:hover {
    border-color: var(--neon-cyan);
    color: #fff;
    background: var(--bg-surface-active);
}

.beat-jump-btn.flash,
.beat-jump-btn:active {
    background: var(--neon-cyan);
    color: #000;
    font-weight: 900;
    box-shadow: 0 0 8px rgba(0, 242, 254, 0.6);
}

.dj-deck-panel[data-deck="1"] .beat-jump-btn:hover {
    border-color: var(--neon-pink);
}

.dj-deck-panel[data-deck="1"] .beat-jump-btn.flash,
.dj-deck-panel[data-deck="1"] .beat-jump-btn:active {
    background: var(--neon-magenta);
    color: #fff;
    box-shadow: 0 0 8px rgba(247, 37, 133, 0.6);
}

.deck-bpm-key-readout {
    display: flex;
    align-items: center;
    gap: 5px;
}

.deck-bpm-box,
.deck-key-box {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.readout-label {
    font-size: 7px;
    font-weight: 700;
    color: var(--text-muted);
}

.deck-bpm-val,
.deck-key-val {
    font-size: 11px;
    font-weight: 800;
    font-family: var(--font-mono);
    color: var(--text-primary);
}

/* Beatgrid & Tap Tempo Tools */
.deck-grid-tools {
    display: flex;
    align-items: center;
    gap: 2px;
    background: var(--bg-surface);
    padding: 1.5px 3px;
    border-radius: 4px;
    border: 1px solid var(--border-subtle);
    margin-left: 4px;
}

.grid-tool-btn {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    font-size: 7.5px;
    font-weight: 800;
    padding: 2px 3px;
    border-radius: 2px;
    cursor: pointer;
    line-height: 1;
    transition: all 0.1s ease;
    user-select: none;
}

.grid-tool-btn:hover {
    color: #fff;
    background: var(--bg-surface-active);
    border-color: var(--neon-cyan);
}

.dj-deck-panel[data-deck="1"] .grid-tool-btn:hover {
    border-color: var(--neon-pink);
}

.grid-tool-btn.tap-tempo-btn {
    background: linear-gradient(135deg, rgba(0, 242, 254, 0.2), rgba(0, 114, 255, 0.2));
    color: var(--neon-cyan);
    font-weight: 900;
}

.dj-deck-panel[data-deck="1"] .grid-tool-btn.tap-tempo-btn {
    background: linear-gradient(135deg, rgba(247, 37, 133, 0.2), rgba(114, 9, 183, 0.2));
    color: var(--neon-pink);
}

.grid-tool-btn.tap-tempo-btn:active,
.grid-tool-btn.tap-tempo-btn.flash {
    background: var(--neon-cyan);
    color: #000;
    box-shadow: 0 0 8px rgba(0, 242, 254, 0.8);
}

.dj-deck-panel[data-deck="1"] .grid-tool-btn.tap-tempo-btn:active,
.dj-deck-panel[data-deck="1"] .grid-tool-btn.tap-tempo-btn.flash {
    background: var(--neon-pink);
    color: #000;
    box-shadow: 0 0 8px rgba(247, 37, 133, 0.8);
}

/* Overview Minimap Strip */
.overview-waveform-wrapper {
    height: 16px;
    background-color: #070a10;
    border-radius: 3px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    cursor: pointer;
    flex-shrink: 0;
}

.overview-waveform-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.deck-time-display {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 5px;
    right: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    pointer-events: none;
    font-family: var(--font-mono);
    font-size: 8px;
    font-weight: 700;
    text-shadow: 0 0 3px #000;
}

.time-elapsed {
    color: #fff;
}

.time-remaining {
    color: var(--neon-amber);
}

/* ==========================================================================
   Deck Main Performance Zone: Serato DJ Pro 3-Column Layout
   (Left: Cue Pads & Aux, Center: Jog Wheel & Transport, Right: Pitch Fader)
   ========================================================================== */
.deck-main-performance-zone {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    justify-content: space-between;
    gap: 8px;
    flex: 1;
    min-height: 0;
    width: 100%;
    box-sizing: border-box;
    padding: 2px 0;
}

/* 1. Left Column: Full-Height Serato Pro Side DJ Performance Pad Bay */
.deck-pads-side-bay {
    flex: 1.25;
    min-width: 180px;
    max-width: 320px;
    display: flex;
    flex-direction: column;
    justify-content: stretch;
    height: 100%;
    background: var(--bg-primary);
    padding: 3px;
    border-radius: 6px;
    border: 1px solid var(--border-subtle);
    box-sizing: border-box;
    overflow: hidden;
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.6);
}

/* Serato Harmonic Key Sync & Master Tempo Bar (in Deck Info Header) */
.deck-harmonic-tools {
    display: flex;
    align-items: center;
    gap: 3px;
    margin-left: 2px;
}

.deck-harmonic-btn {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    font-size: 7.5px;
    font-weight: 800;
    padding: 2.5px 5px;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
    font-family: var(--font-mono);
    line-height: 1;
}

.deck-harmonic-btn:hover {
    background: var(--bg-surface-elevated);
    color: #fff;
    border-color: var(--border-bright);
}

.deck-harmonic-btn.key-sync-btn {
    color: var(--neon-purple);
    border-color: var(--border-subtle);
}

.deck-harmonic-btn.key-sync-btn:hover,
.deck-harmonic-btn.key-sync-btn.active {
    background: var(--neon-purple);
    color: #000;
    font-weight: 900;
    box-shadow: 0 0 10px var(--neon-purple);
}

.deck-harmonic-btn.key-lock-btn {
    color: var(--neon-amber);
    border-color: var(--border-subtle);
}

.deck-harmonic-btn.key-lock-btn:hover,
.deck-harmonic-btn.key-lock-btn.active {
    background: var(--neon-amber);
    color: #000;
    font-weight: 900;
    box-shadow: 0 0 10px var(--neon-amber);
}

/* Serato Turntable Quick Action Strip (Quantize Q, Slip, Censor, Reverse, Brake) */
.deck-turntable-actions-bar {
    display: grid;
    grid-template-columns: 28px repeat(4, 1fr);
    gap: 3px;
    width: 100%;
    flex-shrink: 0;
    box-sizing: border-box;
    background: var(--bg-deep-void);
    padding: 2px;
    border-radius: 4px;
    border: 1px solid var(--border-subtle);
}

.deck-aux-btn {
    background-color: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    font-size: 7px;
    font-weight: 800;
    padding: 2px 1px;
    height: 18px;
    border-radius: 2px;
    cursor: pointer;
    text-align: center;
    white-space: nowrap;
    transition: all 0.12s ease;
    width: 100%;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    font-family: var(--font-mono);
}

.deck-aux-btn:hover {
    background-color: #172132;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.25);
}

.deck-aux-btn.active {
    background-color: var(--neon-amber);
    color: #000;
    font-weight: 900;
    box-shadow: 0 0 8px rgba(255, 190, 11, 0.5);
}

/* Dedicated Q Quantize Deck Button */
.deck-aux-btn.quantize-deck-btn {
    font-size: 8.5px;
    font-weight: 900;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    border-color: rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.03);
    position: relative;
    transition: all 0.15s ease;
    user-select: none;
}

.deck-aux-btn.quantize-deck-btn:hover {
    color: #fff;
    border-color: rgba(5, 255, 161, 0.5);
    background: rgba(5, 255, 161, 0.1);
}

.deck-aux-btn.quantize-deck-btn.active {
    background: linear-gradient(135deg, rgba(5, 255, 161, 0.28), rgba(0, 242, 254, 0.18));
    border-color: var(--neon-emerald, #05ffa1);
    color: var(--neon-emerald, #05ffa1);
    font-weight: 900;
    box-shadow: 0 0 10px rgba(5, 255, 161, 0.55), inset 0 0 5px rgba(5, 255, 161, 0.25);
    text-shadow: 0 0 6px rgba(5, 255, 161, 0.75);
}

[data-theme="niffty-day-light"] .deck-aux-btn.quantize-deck-btn.active,
[data-theme="serato-day-light"] .deck-aux-btn.quantize-deck-btn.active,
[data-theme="studio-pearl"] .deck-aux-btn.quantize-deck-btn.active {
    background: #e6fffa;
    border-color: #059669;
    color: #059669;
    box-shadow: 0 1px 6px rgba(5, 150, 105, 0.3);
    text-shadow: none;
}

.deck-aux-btn.censor-btn {
    border-color: rgba(255, 190, 11, 0.4);
    color: var(--neon-amber);
}

.deck-aux-btn.censor-btn.active {
    background: var(--neon-amber);
    color: #000;
    box-shadow: 0 0 10px rgba(255, 190, 11, 0.7);
}

.deck-aux-btn.motor-brake-btn {
    border-color: rgba(255, 42, 42, 0.4);
    color: #f87171;
}

.deck-aux-btn.motor-brake-btn:hover,
.deck-aux-btn.motor-brake-btn.active {
    background: #ff2a2a;
    color: #fff;
    box-shadow: 0 0 10px rgba(255, 42, 42, 0.7);
}

.deck-aux-btn.reverse-btn.active {
    background: var(--neon-cyan);
    color: #000;
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.7);
}

/* 2. Center Column: Direct-Drive Vinyl Turntable Platter + Base Transport */
.deck-center-platter-bay {
    flex: 2.1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 5px;
    height: 100%;
    min-height: 0;
    min-width: 0;
    box-sizing: border-box;
}

.jog-wheel-wrapper {
    flex: 1;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 0;
    min-width: 0;
    position: relative;
    overflow: hidden;
}

.jog-wheel-canvas {
    max-width: 100%;
    max-height: 100%;
    aspect-ratio: 1 / 1;
    cursor: grab;
    display: block;
    object-fit: contain;
}

.jog-wheel-canvas:active {
    cursor: grabbing;
}

/* Transport Controls Directly Below Turntable Platter (Serato Style) */
.transport-controls-row {
    display: flex;
    align-items: center;
    gap: 5px;
    width: 100%;
    box-sizing: border-box;
}

.transport-btn {
    flex: 1;
    height: 32px;
    border-radius: 5px;
    font-weight: 900;
    font-size: 10px;
    letter-spacing: 0.8px;
    cursor: pointer;
    transition: all 0.1s ease;
    border: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}

.transport-cue-btn {
    background: #0f172a;
    border-color: rgba(0, 240, 255, 0.4);
    color: var(--neon-cyan);
}

.transport-cue-btn:hover,
.transport-cue-btn.active,
.transport-cue-btn:active {
    background: var(--neon-cyan);
    color: #000;
    box-shadow: 0 0 12px rgba(0, 240, 255, 0.7);
}

.transport-play-btn {
    background: #061a14;
    border-color: rgba(16, 185, 129, 0.4);
    color: var(--neon-green);
    flex: 1.3;
}

.transport-play-btn.playing,
.transport-play-btn:active {
    background: var(--neon-green);
    color: #000;
    box-shadow: 0 0 14px rgba(16, 185, 129, 0.8);
}

.transport-sync-btn {
    background: #170d28;
    border-color: rgba(168, 85, 247, 0.4);
    color: #c084fc;
}

.transport-sync-btn.active {
    background: #a855f7;
    color: #000;
    box-shadow: 0 0 12px rgba(168, 85, 247, 0.8);
}

/* 3. Right Column: Auto-Fitting Vertical Pitch Fader (Top +, Slider, Bottom -, Reset) */
.pitch-fader-column {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    width: 48px;
    height: 100%;
    flex-shrink: 0;
    gap: 3px;
    box-sizing: border-box;
    background: var(--bg-primary);
    padding: 3px 3px;
    border-radius: 5px;
    border: 1px solid var(--border-subtle);
}

.pitch-bend-btn {
    width: 100%;
    height: 18px;
    background-color: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    font-weight: 900;
    font-size: 11px;
    border-radius: 3px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.1s ease;
    flex-shrink: 0;
}

.pitch-bend-btn:hover {
    background-color: var(--bg-surface-active);
    color: #fff;
}

.pitch-bend-plus {
    color: var(--neon-green);
    border-color: rgba(16, 185, 129, 0.3);
}

.pitch-bend-plus.active {
    background-color: var(--neon-green);
    color: #000;
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
}

.pitch-bend-minus {
    color: var(--neon-pink);
    border-color: rgba(255, 0, 127, 0.3);
}

.pitch-bend-minus.active {
    background-color: var(--neon-pink);
    color: #000;
    box-shadow: 0 0 8px rgba(255, 0, 127, 0.6);
}

.pitch-fader-slider-wrap {
    flex: 1;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: visible;
    min-height: 180px;
    margin: 2px 0;
}

.pitch-fader-input {
    appearance: none;
    -webkit-appearance: none;
    position: absolute;
    top: 50%;
    left: 50%;
    width: 184px !important;
    height: 6px !important;
    background: #040711;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 3px;
    transform: rotate(-90deg);
    margin-top: -3px !important;
    margin-left: -92px !important;
    outline: none;
    cursor: pointer;
}

.pitch-fader-input::-webkit-slider-thumb {
    appearance: none;
    -webkit-appearance: none;
    width: 24px;
    height: 14px;
    background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 50%, #94a3b8 100%);
    border: 1.5px solid #334155;
    border-radius: 3px;
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.95);
    cursor: pointer;
}

.pitch-readout-row {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    width: 100%;
    flex-shrink: 0;
}

.deck-pitch-val {
    font-size: 8px;
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-weight: 800;
    letter-spacing: 0.5px;
}

.pitch-reset-btn {
    background: #0b1329;
    border: 1.5px solid var(--neon-cyan);
    color: var(--neon-cyan);
    font-size: 8px;
    font-weight: 900;
    padding: 3px 2px;
    height: 20px;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.15s ease;
    width: 100%;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: 0.5px;
    box-shadow: 0 0 6px rgba(0, 240, 255, 0.3);
    box-sizing: border-box;
}

.pitch-reset-btn:hover {
    background: var(--neon-cyan);
    color: #000;
    box-shadow: 0 0 12px rgba(0, 240, 255, 0.7);
}

.pitch-reset-btn:active {
    transform: scale(0.95);
}


.transport-play-btn {
    background-color: #0b1e16;
    color: var(--neon-green);
    border-color: rgba(16, 185, 129, 0.3);
}

.transport-play-btn.playing {
    background-color: var(--neon-green);
    color: #000;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
}

.transport-cue-btn {
    background-color: #1e1116;
    color: var(--neon-pink);
    border-color: rgba(255, 0, 127, 0.3);
}

.transport-cue-btn.active {
    background-color: var(--neon-pink);
    color: #000;
    box-shadow: 0 0 10px rgba(255, 0, 127, 0.5);
}

.transport-sync-btn {
    background-color: #0d1a24;
    color: var(--neon-blue);
    border-color: rgba(0, 240, 255, 0.3);
    max-width: 55px;
}

.transport-sync-btn.active {
    background-color: var(--neon-blue);
    color: #000;
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}