/* ==========================================================================
   AXIOM DRUM MACHINE - VINTAGE GROOVEBOX / HARDWARE WORKSTATION STYLESHEET
   Clean Dark Hardware Aesthetic (Roland TR-808/Groovebox Inspired)
   ========================================================================== */

:root {
    --bg-chassis: #121417;
    --bg-panel: #181b20;
    --bg-panel-inset: #111316;
    --bg-card: #20242b;
    --border-metal: #2c323c;
    --border-light: #3a424e;
    
    /* Roland 808 Step Colors */
    --color-808-red: #cc1e1e;
    --color-808-red-glow: #ff3333;
    --color-808-orange: #ff6600;
    --color-808-orange-glow: #ff8533;
    --color-808-yellow: #f5b700;
    --color-808-yellow-glow: #ffd000;
    --color-808-white: #e8e4d8;
    --color-808-white-glow: #ffffff;

    /* Hardware Workstation Accents */
    --accent-cyan: #00ffd0;
    --accent-cyan-glow: rgba(0, 255, 208, 0.4);
    --accent-amber: #ffaa00;
    --accent-red: #ff2a2a;
    --text-main: #e6ebf2;
    --text-muted: #8d98a7;
    --text-dim: #5a6473;
    --led-off: #20252b;
    --font-mono: 'Consolas', 'Courier New', monospace;
    --font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    user-select: none;
    -webkit-user-select: none;
}

body {
    background-color: #0b0c0e;
    color: var(--text-main);
    font-family: var(--font-ui);
    min-height: calc(100 * var(--vh));
    padding: 6px 12px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    overflow-x: hidden;
}

/* Universal Visibility Utility */
.hidden,
#container-full-grid.hidden {
    display: none !important;
}

/* ==========================================================================
   WORKSTATION MAIN CHASSIS
   ========================================================================== */
.workstation-chassis {
    width: 100%;
    max-width: 1540px;
    background: linear-gradient(180deg, #1a1d22 0%, #121417 100%);
    border: 2px solid var(--border-metal);
    border-radius: 8px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 10px 14px;
    position: relative;
}

/* Top Chassis Header & Rack Ears */
.chassis-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid #232730;
    padding-bottom: 6px;
}

.brand-badge {
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.brand-title {
    font-size: 20px;
    font-weight: 900;
    letter-spacing: 2px;
    color: #fff;
    text-transform: uppercase;
}

.brand-title span {
    color: var(--color-808-orange);
}

.brand-subtitle {
    font-size: 11px;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.header-right-controls {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

/* 3-Tier Preset Architecture Rack */
.preset-tier-cluster {
    display: flex;
    gap: 6px;
    align-items: center;
    background: #14171e;
    padding: 3px 6px;
    border-radius: 5px;
    border: 1px solid #283240;
    flex-wrap: wrap;
}

.preset-tier-master select {
    border: 1px solid var(--accent-orange) !important;
    background: #251b14 !important;
    color: #ffd285 !important;
    font-weight: 700 !important;
    font-size: 10px;
}

.preset-tier-kit select {
    border: 1px solid var(--accent-cyan) !important;
    background: #13222a !important;
    color: #c5f5ff !important;
    font-weight: 600 !important;
    font-size: 10px;
}

.preset-tier-style select {
    border: 1px solid #8c5cdb !important;
    background: #20172d !important;
    color: #e0d0ff !important;
    font-weight: 600 !important;
    font-size: 10px;
}

/* Offline Audio Export & Baking Toolbar Cluster */
.render-export-cluster {
    display: flex;
    gap: 4px;
    align-items: center;
    background: #10141a;
    padding: 3px 5px;
    border-radius: 5px;
    border: 1px solid #232d3d;
}

.btn-render-bake {
    font-size: 9px !important;
    font-weight: 700 !important;
    padding: 3px 7px !important;
    letter-spacing: 0.4px;
    white-space: nowrap;
    transition: all 0.15s ease-in-out;
}

#btn-render-loop {
    background: #0f2e22;
    border: 1px solid #00e5a3;
    color: #00ffb7;
}

#btn-render-loop:hover {
    background: #154533;
    box-shadow: 0 0 8px rgba(0, 229, 163, 0.4);
}

#btn-render-pad {
    background: #1c2336;
    border: 1px solid #7f9cf5;
    color: #c7d2fe;
}

#btn-render-pad:hover {
    background: #293452;
    box-shadow: 0 0 8px rgba(127, 156, 245, 0.4);
}

#btn-render-16-strip {
    background: #33192a;
    border: 1px solid #f472b6;
    color: #fbcfe8;
}

#btn-render-16-strip:hover {
    background: #47223b;
    box-shadow: 0 0 8px rgba(244, 114, 182, 0.4);
}

#btn-fft-benchmark {
    background: #182836;
    border: 1px solid var(--accent-cyan);
    color: var(--accent-cyan);
}

#btn-fft-benchmark:hover {
    background: #233b50;
    box-shadow: 0 0 8px rgba(0, 240, 255, 0.4);
}



/* ==========================================================================
   TOP CONTROL RACK: TRANSPORT, GLOBAL READOUTS, VISUALIZER
   ========================================================================== */
.top-rack-bay {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 12px;
    background-color: var(--bg-panel);
    border: 1px solid var(--border-metal);
    border-radius: 6px;
    padding: 6px 12px;
    align-items: center;
}

/* Transport Section */
.transport-cluster {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-transport {
    background: linear-gradient(180deg, #2b303b 0%, #1e222a 100%);
    border: 1px solid var(--border-light);
    color: var(--text-main);
    padding: 8px 16px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    border-radius: 4px;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: all 0.1s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-transport:hover {
    background: #343a47;
    color: #fff;
}

.btn-transport:active {
    transform: translateY(1px);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.btn-transport.play.active {
    background: linear-gradient(180deg, #00aa70 0%, #00774e 100%);
    border-color: #00ffd0;
    color: #fff;
    box-shadow: 0 0 12px var(--accent-cyan-glow);
}

.btn-transport.stop:active {
    background: #441a1a;
}

/* 7-Segment Retro LED Readouts */
.led-displays-group {
    display: flex;
    gap: 10px;
}

.led-display-box {
    background-color: #0b0c0e;
    border: 1px solid #282f3a;
    border-radius: 4px;
    padding: 4px 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 68px;
    box-shadow: inset 0 2px 5px rgba(0,0,0,0.8);
}

.led-display-box .label {
    font-size: 9px;
    font-weight: 700;
    color: var(--text-dim);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.led-digits {
    font-family: var(--font-mono);
    font-size: 18px;
    font-weight: bold;
    color: var(--accent-amber);
    text-shadow: 0 0 8px rgba(255, 170, 0, 0.6);
    line-height: 1.2;
}

.led-digits.step-count {
    color: var(--accent-cyan);
    text-shadow: 0 0 8px var(--accent-cyan-glow);
}

/* Master Bus Controls */
.master-bus-controls {
    display: flex;
    gap: 16px;
    align-items: center;
    border-left: 1px solid #232730;
    border-right: 1px solid #232730;
    padding: 0 16px;
}

.control-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
}

.control-item input[type="range"] {
    width: 75px;
    accent-color: var(--color-808-orange);
}

.control-item input[type="number"] {
    width: 60px;
    background: #111316;
    border: 1px solid var(--border-metal);
    color: var(--accent-amber);
    padding: 2px 4px;
    font-family: var(--font-mono);
    border-radius: 3px;
    text-align: center;
}

/* Master Visualizer (Oscilloscope & VU Meter) */
.visualizer-bay {
    display: flex;
    gap: 8px;
    align-items: center;
    background-color: #0b0c0e;
    border: 1px solid var(--border-metal);
    border-radius: 4px;
    padding: 4px 8px;
}

#canvas-master-oscilloscope {
    border-radius: 2px;
}

.vu-meter-rack {
    display: flex;
    gap: 3px;
    height: 48px;
    align-items: flex-end;
    padding: 2px;
    background: #060708;
    border: 1px solid #20242b;
    border-radius: 2px;
}

.vu-channel {
    width: 8px;
    height: 100%;
    background-color: #111418;
    display: flex;
    align-items: flex-end;
}

.vu-bar {
    width: 100%;
    height: 0%;
    background: linear-gradient(0deg, #00ffd0 0%, #ffaa00 70%, #ff2a2a 95%);
    transition: height 0.05s ease;
}

/* Sound Out / Audio Output Bay */
.sound-out-bay {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background-color: var(--bg-panel-inset);
    border: 1px solid var(--border-metal);
    border-radius: 4px;
    padding: 4px 8px;
    min-width: 185px;
}

.sound-out-bay .audio-status-led {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #3a424e;
    box-shadow: none;
    transition: all 0.2s ease;
}

.sound-out-bay .audio-status-led.running {
    background-color: var(--accent-cyan);
    box-shadow: 0 0 8px var(--accent-cyan);
}

.sound-out-bay .audio-status-led.suspended {
    background-color: var(--color-808-orange);
    box-shadow: 0 0 8px var(--color-808-orange);
    animation: blink-warning 1s infinite alternate;
}

@keyframes blink-warning {
    0% { opacity: 0.4; }
    100% { opacity: 1.0; }
}

.btn-test-sound {
    background: #153624 !important;
    border-color: #00ffd0 !important;
    color: #00ffd0 !important;
    font-weight: 700 !important;
    font-size: 9px !important;
    padding: 3px 6px !important;
    cursor: pointer;
    transition: all 0.1s ease;
}

.btn-test-sound:active,
.btn-test-sound.pulsing {
    background: #00ffd0 !important;
    color: #0b0c0e !important;
    box-shadow: 0 0 12px #00ffd0 !important;
}

/* ==========================================================================
   MIDDLE WORKSTATION DECK: 16 PADS (LEFT) + DEEP DECK EDITOR (RIGHT)
   ========================================================================== */
.middle-deck {
    display: grid;
    grid-template-columns: 440px 1fr;
    gap: 10px;
}

/* Left Panel: 16 Pads Container */
.pads-panel-box {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-metal);
    border-radius: 6px;
    padding: 8px 10px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.panel-sub-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #232730;
    padding-bottom: 4px;
}

.panel-title {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    text-transform: uppercase;
}

/* 4x4 Illuminated Rubber Drum Pads */
.drum-pads-matrix {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
}

.drum-pad {
    aspect-ratio: 1.25 / 1;
    background: linear-gradient(145deg, #262c36 0%, #1a1e26 100%);
    border: 2px solid #363d4a;
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 5px 6px;
    cursor: pointer;
    position: relative;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.15);
    transition: transform 0.06s ease, border-color 0.1s ease, box-shadow 0.1s ease;
}

.drum-pad:hover {
    border-color: #535e72;
}

.drum-pad.selected {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 12px var(--accent-cyan-glow), inset 0 0 8px rgba(0, 255, 208, 0.2);
}

.drum-pad.hit {
    transform: translateY(2px) scale(0.98);
    background: linear-gradient(145deg, #ff7a29 0%, #cc4e00 100%);
    border-color: #ffaa55;
    box-shadow: 0 0 20px rgba(255, 102, 0, 0.8);
}

.drum-pad.drag-over {
    border-color: var(--accent-amber);
    background: #3b3020;
}

.pad-key-badge {
    align-self: flex-start;
    background-color: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    padding: 2px 5px;
    border-radius: 3px;
}

.pad-num {
    position: absolute;
    top: 8px;
    right: 8px;
    font-size: 10px;
    font-weight: 700;
    color: var(--text-dim);
}

.pad-name {
    font-size: 10px;
    font-weight: 700;
    color: var(--text-main);
    text-transform: uppercase;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    letter-spacing: 0.5px;
}

.pad-led {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--led-off);
    position: absolute;
    bottom: 8px;
    right: 8px;
    transition: all 0.05s ease;
}

.pad-led.lit {
    background-color: var(--color-808-orange);
    box-shadow: 0 0 8px var(--color-808-orange-glow);
}

/* Quick Pad Mixer Strip */
.pad-mixer-strip {
    background: var(--bg-panel-inset);
    border: 1px solid #232730;
    border-radius: 4px;
    padding: 8px 10px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.mixer-strip-item {
    display: flex;
    flex-direction: column;
    gap: 3px;
    font-size: 9px;
    color: var(--text-muted);
    font-weight: 700;
}

.mixer-strip-item input[type="range"] {
    width: 100%;
    accent-color: var(--accent-cyan);
}

/* Right Panel: Deep Multi-Tab Deck */
.deep-deck-box {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-metal);
    border-radius: 6px;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.deep-deck-tabs {
    display: flex;
    gap: 8px;
    border-bottom: 2px solid #232730;
    padding-bottom: 8px;
}

.deck-tab-btn {
    background: #1e222a;
    border: 1px solid var(--border-metal);
    color: var(--text-muted);
    padding: 6px 14px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    border-radius: 4px;
    cursor: pointer;
    text-transform: uppercase;
}

.deck-tab-btn:hover {
    background: #2a303b;
    color: #fff;
}

.deck-tab-btn.active {
    background: var(--color-808-orange);
    border-color: #ff8533;
    color: #fff;
    box-shadow: 0 0 10px rgba(255, 102, 0, 0.4);
}

/* Pad Sound Engine Editor Sub-Tabs */
.engine-sub-tabs {
    display: flex;
    gap: 6px;
    margin-bottom: 8px;
}

.sub-tab-btn {
    background: #171a20;
    border: 1px solid #2b323e;
    color: var(--text-muted);
    padding: 5px 12px;
    font-size: 10px;
    font-weight: 700;
    border-radius: 3px;
    cursor: pointer;
}

.sub-tab-btn.active {
    background: #2d3542;
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.engine-content-panel {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.engine-content-panel.hidden {
    display: none;
}

/* Waveform Canvas Areas */
.waveform-editor-box {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.canvas-container {
    background-color: #0b0c0e;
    border: 1px solid #232730;
    border-radius: 4px;
    overflow: hidden;
}

/* Category Selector & Dice Button */
.category-control-row {
    display: flex;
    gap: 8px;
    align-items: center;
}

.category-select {
    flex: 1;
    background: #111316;
    border: 1px solid var(--border-metal);
    color: var(--text-main);
    padding: 6px 10px;
    font-size: 11px;
    border-radius: 4px;
    font-weight: 600;
}

.btn-dice {
    background: linear-gradient(180deg, #ff6600 0%, #cc4e00 100%);
    border: 1px solid #ff8533;
    color: #fff;
    font-size: 14px;
    padding: 5px 12px;
    border-radius: 4px;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

.btn-dice.flash {
    transform: scale(1.1);
    box-shadow: 0 0 16px rgba(255, 102, 0, 0.9);
}

/* Synth Control Grid */
.params-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    background: var(--bg-panel-inset);
    border: 1px solid #232730;
    border-radius: 4px;
    padding: 10px;
}

.param-field {
    display: flex;
    flex-direction: column;
    gap: 3px;
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
}

.param-field-primary-stage {
    grid-column: span 2;
    background: rgba(255, 255, 255, 0.035);
    padding: 8px 10px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.param-field .header-val {
    display: flex;
    justify-content: space-between;
}

.param-field span.val {
    color: var(--accent-cyan);
    font-family: var(--font-mono);
}

.param-field input[type="range"] {
    width: 100%;
    accent-color: var(--color-808-orange);
}

/* Loop Rack UI */
.loop-rack-grid {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 12px;
}

.loop-slots-column {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 220px;
    overflow-y: auto;
}

.loop-slot-item {
    background: #181b21;
    border: 1px solid var(--border-metal);
    border-radius: 4px;
    padding: 6px 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 11px;
}

.loop-slot-item.active {
    border-color: var(--accent-cyan);
    background: #202733;
}

.slot-idx {
    font-weight: 800;
    color: var(--color-808-orange);
    font-family: var(--font-mono);
}

.slot-title {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.slot-badge {
    font-size: 9px;
    color: var(--text-dim);
    font-family: var(--font-mono);
}

/* Aux FX Bay UI */
.aux-bays-header {
    display: flex;
    gap: 8px;
}

.btn-aux-tab {
    background: #181b21;
    border: 1px solid var(--border-metal);
    color: var(--text-muted);
    padding: 6px 14px;
    font-size: 11px;
    font-weight: 700;
    border-radius: 4px;
    cursor: pointer;
}

.btn-aux-tab.active {
    background: #2d3542;
    border-color: var(--accent-cyan);
    color: #fff;
}

/* ==========================================================================
   BOTTOM WORKSTATION DECK: 16-STEP SEQUENCER & SCENE SELECTION
   ========================================================================== */
.bottom-deck-sequencer {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-metal);
    border-radius: 6px;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sequencer-top-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    justify-content: space-between;
    border-bottom: 2px solid #232730;
    padding-bottom: 8px;
}

.sequencer-top-controls > div {
    flex-shrink: 1;
    min-width: 0;
}

.btn-transport.btn-compact {
    padding: 4px 8px;
    font-size: 10px;
    white-space: nowrap;
}

#btn-toggle-seq-collapse {
    border: 1px solid var(--accent-cyan) !important;
    background: #182836 !important;
    color: #00ffd0 !important;
    font-weight: 800 !important;
    padding: 4px 10px;
    box-shadow: 0 0 8px rgba(0, 255, 208, 0.25);
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.15s ease;
}

#btn-toggle-seq-collapse:hover {
    background: #233c52 !important;
    box-shadow: 0 0 12px rgba(0, 255, 208, 0.45);
}

/* 16 Pattern / Song Bank Buttons */
.sequence-slots-matrix {
    display: flex;
    gap: 6px;
}

.btn-seq-slot {
    background: #1e222a;
    border: 1px solid var(--border-metal);
    color: var(--text-muted);
    padding: 4px 8px;
    border-radius: 3px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 38px;
}

.btn-seq-slot .seq-num {
    font-size: 11px;
    font-weight: 800;
    color: #fff;
    font-family: var(--font-mono);
}

.btn-seq-slot .seq-role {
    font-size: 8px;
    color: var(--text-dim);
    text-transform: uppercase;
}

.btn-seq-slot.active {
    background: var(--color-808-red);
    border-color: var(--color-808-red-glow);
    color: #fff;
    box-shadow: 0 0 10px rgba(204, 17, 0, 0.6);
}

.btn-seq-slot.cued {
    border-color: var(--accent-amber);
    animation: pulse-cued 0.6s infinite alternate;
}

@keyframes pulse-cued {
    from { background: #1e222a; }
    to { background: #5c4100; }
}

/* Playhead Tracker LED Bar */
.sequencer-playhead-bar {
    display: grid;
    grid-template-columns: 140px repeat(16, 1fr);
    gap: 6px;
    align-items: center;
}

.step-indicator-led {
    height: 6px;
    border-radius: 2px;
    background-color: var(--led-off);
    transition: background-color 0.05s ease;
}

.step-indicator-led.active {
    background-color: var(--accent-cyan);
    box-shadow: 0 0 10px var(--accent-cyan-glow);
}

/* Sequencer Tracks Container */
.sequencer-tracks-rows {
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-height: 380px;
    overflow-y: auto;
    padding-right: 4px;
}

.sequencer-track-row {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 6px;
    align-items: center;
}

.track-header {
    background: #17191f;
    border: 1px solid #232730;
    border-radius: 3px;
    padding: 6px 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 10px;
    font-weight: 700;
}

.track-header:hover {
    background: #242933;
}

.track-header.loop-track {
    border-left: 3px solid var(--accent-cyan);
}

.track-num {
    color: var(--color-808-orange);
    font-family: var(--font-mono);
}

.track-title {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-transform: uppercase;
}

/* 16 Roland 808 Step Buttons */
.track-steps-container {
    display: grid;
    grid-template-columns: repeat(16, 1fr);
    gap: 5px;
}

.step-btn {
    height: 26px;
    border-radius: 3px;
    border: 1px solid rgba(0, 0, 0, 0.4);
    cursor: pointer;
    position: relative;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transition: transform 0.05s ease, filter 0.1s ease;
}

.step-btn:hover {
    filter: brightness(1.2);
}

.step-btn:active {
    transform: translateY(1px);
}

/* Roland TR-808 4-Beat Grouping Colors */
.step-btn.beat-red {
    background: linear-gradient(180deg, #991515 0%, #660e0e 100%);
}
.step-btn.beat-red.active {
    background: linear-gradient(180deg, #ff3b3b 0%, #cc1100 100%);
    box-shadow: 0 0 12px rgba(255, 50, 50, 0.8), inset 0 1px 0 #fff;
}

.step-btn.beat-orange {
    background: linear-gradient(180deg, #b34700 0%, #803300 100%);
}
.step-btn.beat-orange.active {
    background: linear-gradient(180deg, #ff8533 0%, #e65c00 100%);
    box-shadow: 0 0 12px rgba(255, 120, 0, 0.8), inset 0 1px 0 #fff;
}

.step-btn.beat-yellow {
    background: linear-gradient(180deg, #b38600 0%, #806000 100%);
}
.step-btn.beat-yellow.active {
    background: linear-gradient(180deg, #ffe04d 0%, #ffd000 100%);
    box-shadow: 0 0 12px rgba(255, 215, 0, 0.8), inset 0 1px 0 #fff;
}

.step-btn.beat-white {
    background: linear-gradient(180deg, #6c6f75 0%, #474a52 100%);
}
.step-btn.beat-white.active {
    background: linear-gradient(180deg, #ffffff 0%, #e0ded5 100%);
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.9), inset 0 1px 0 #fff;
}

/* Indicator dot for steps with ratchets/modifiers */
.step-btn.has-mod::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    background-color: var(--accent-cyan);
    border-radius: 50%;
    top: 2px;
    right: 2px;
}

/* ==========================================================================
   DEDICATED ACTIVE INSTRUMENT SEQUENCER ROW (TOP MOST) & MEASURE CONTROLS
   ========================================================================== */
.active-sequencer-deck {
    background: #14171d;
    border: 1px solid var(--border-metal);
    border-radius: 6px;
    padding: 6px 10px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.active-instrument-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #232730;
    padding-bottom: 4px;
}

.active-track-badge {
    font-size: 11px;
    font-weight: 800;
    color: var(--accent-cyan);
    font-family: var(--font-mono);
    letter-spacing: 0.5px;
    background: #10262b;
    border: 1px solid #1a4d57;
    padding: 2px 7px;
    border-radius: 4px;
}

.active-measure-badge {
    font-size: 10px;
    font-weight: 700;
    color: var(--color-808-orange);
    font-family: var(--font-mono);
}

.active-playhead-bar {
    grid-template-columns: repeat(16, 1fr) !important;
}

/* 16 Active Step Columns: Step Button + [EDIT] Button under */
.active-steps-grid {
    display: grid;
    grid-template-columns: repeat(16, 1fr);
    gap: 5px;
}

.active-step-column {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.active-step-btn {
    height: 36px;
    border-radius: 4px;
    border: 1px solid rgba(0, 0, 0, 0.5);
    cursor: pointer;
    position: relative;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 3px 2px;
    transition: transform 0.05s ease, filter 0.1s ease;
}

.active-step-btn:hover {
    filter: brightness(1.2);
}

.active-step-btn:active {
    transform: translateY(1px);
}

.active-step-num {
    font-size: 9px;
    font-weight: 800;
    font-family: var(--font-mono);
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
}

.active-step-mod-badge {
    font-size: 7px;
    font-weight: 800;
    font-family: var(--font-mono);
    color: #fff;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 2px;
    padding: 1px 2px;
    text-align: center;
    text-transform: uppercase;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.active-step-edit-btn {
    height: 18px;
    background: #1b2028;
    border: 1px solid #2e3644;
    color: var(--text-dim);
    font-size: 8px;
    font-weight: 700;
    font-family: var(--font-mono);
    border-radius: 3px;
    cursor: pointer;
    text-align: center;
    padding: 0;
    line-height: 16px;
    transition: all 0.1s ease;
}

.active-step-edit-btn:hover {
    background: #2a3342;
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.active-step-edit-btn.has-mod {
    border-color: var(--accent-amber);
    color: var(--accent-amber);
    font-weight: 800;
}

/* Dedicated Step Edit Tool Card under each of the 16 steps */
.step-edit-tool-card {
    background: #0d0f14;
    border: 1px solid #1f242e;
    border-radius: 3px;
    padding: 3px 2px;
    display: flex;
    flex-direction: column;
    gap: 3px;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.5);
}

.step-mini-select {
    width: 100%;
    background: #151821;
    border: 1px solid #28303d;
    color: #00ffd0;
    font-size: 8px;
    font-weight: 800;
    font-family: var(--font-mono);
    border-radius: 2px;
    padding: 1px 2px;
    height: 18px;
    cursor: pointer;
}

.step-mini-select:focus {
    outline: none;
    border-color: #00ffd0;
}

.step-mini-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 7px;
    font-family: var(--font-mono);
    line-height: 1;
    padding: 0 1px;
}

.step-mini-label {
    color: #6a7485;
    font-weight: 700;
}

.step-mini-val {
    color: #ffaa00;
    font-weight: 800;
}

.step-mini-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    background: #181d26;
    border-radius: 2px;
    outline: none;
    margin: 1px 0;
}

.step-mini-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ff8533;
    cursor: pointer;
    box-shadow: 0 0 4px rgba(255, 133, 51, 0.6);
}

.step-mini-slider.step-pan-slider::-webkit-slider-thumb {
    background: #00ffd0;
    box-shadow: 0 0 4px rgba(0, 255, 208, 0.6);
}

.step-quick-inspect-btn {
    width: 100%;
    height: 16px;
    background: #141720;
    border: 1px solid #262c38;
    color: #798599;
    font-size: 7px;
    font-weight: 700;
    font-family: var(--font-mono);
    border-radius: 2px;
    cursor: pointer;
    padding: 0;
    line-height: 14px;
    transition: all 0.1s ease;
}

.step-quick-inspect-btn:hover {
    background: #242c3d;
    border-color: #00ffd0;
    color: #00ffd0;
}

/* Subtractive Component Sub-Tabs & Panels */
.subtractive-module-tabs {
    display: flex;
    gap: 3px;
    margin: 6px 0 8px 0;
    border-bottom: 1px solid #232730;
    padding-bottom: 5px;
    overflow-x: auto;
}

.deck-sub-btn {
    background: #14171d;
    border: 1px solid #252b36;
    color: #7c889c;
    font-size: 9px;
    font-weight: 800;
    font-family: var(--font-mono);
    padding: 3px 8px;
    border-radius: 3px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.1s ease;
}

.deck-sub-btn:hover {
    background: #1e2430;
    color: #fff;
}

.deck-sub-btn.active {
    background: #1e382d;
    border-color: #00ffd0;
    color: #00ffd0;
    box-shadow: 0 0 6px rgba(0, 255, 208, 0.25);
}

.sub-module-panel {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sub-module-panel.hidden {
    display: none;
}

/* Quick Bar Selector Buttons */
.bar-quick-buttons {
    display: flex;
    gap: 3px;
}

.btn-bar-select {
    background: #1e222a;
    border: 1px solid var(--border-metal);
    color: var(--text-muted);
    font-size: 9px;
    font-weight: 700;
    font-family: var(--font-mono);
    padding: 3px 6px;
    border-radius: 3px;
    cursor: pointer;
}

.btn-bar-select:hover {
    background: #282f3a;
    color: #fff;
}

.btn-bar-select.active {
    background: var(--color-808-orange);
    border-color: #ffaa55;
    color: #fff;
    box-shadow: 0 0 8px rgba(255, 102, 0, 0.6);
}

/* Looper Tool Pad */
.drum-pad.looper-pad {
    aspect-ratio: auto !important;
    height: 44px;
    margin-top: 6px;
    background: linear-gradient(145deg, #16242a 0%, #0e171b 100%);
    border: 2px solid #204850;
    flex-direction: row !important;
    align-items: center;
    justify-content: space-between;
    padding: 0 12px;
}

.drum-pad.looper-pad:hover {
    border-color: #00ffd0;
}

.drum-pad.looper-pad.selected {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 14px rgba(0, 255, 208, 0.4), inset 0 0 10px rgba(0, 255, 208, 0.2);
}

.drum-pad.looper-pad.hit {
    background: linear-gradient(145deg, #00b392 0%, #007761 100%);
    border-color: #00ffd0;
    box-shadow: 0 0 18px rgba(0, 255, 208, 0.8);
}

/* Optional Full 16x16 Grid */
.container-full-grid {
    margin-top: 8px;
    border-top: 1px solid #232730;
    padding-top: 8px;
}

.sequencer-track-row.active-editing-row {
    border-left: 3px solid var(--accent-cyan);
    background: rgba(0, 255, 208, 0.06);
    border-radius: 3px;
}

.sequencer-track-row.active-editing-row .track-header {
    border-color: var(--accent-cyan);
    color: #fff;
    background: #1b3344;
    box-shadow: 0 0 8px rgba(0, 255, 208, 0.3);
}

/* ==========================================================================
   MODAL DIALOGS (STEP INSPECTOR & MIDI IMPORTER)
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: calc(100 * var(--vw));
    height: calc(100 * var(--vh));
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-overlay.hidden {
    display: none;
}

.modal-card {
    background: var(--bg-card);
    border: 2px solid var(--border-metal);
    border-radius: 8px;
    width: 420px;
    max-width: 90%;
    padding: 18px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.9);
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-metal);
    padding-bottom: 8px;
}

.modal-title {
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 1px;
    color: #fff;
}

.btn-close-modal {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 18px;
    cursor: pointer;
}

.modal-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Audio Unlock Floating Indicator */
.audio-unlock-overlay {
    position: fixed;
    bottom: 24px;
    right: 28px;
    background: #14171d;
    border: 2px solid var(--accent-cyan);
    border-radius: 8px;
    padding: 10px 18px;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    z-index: 9999;
    cursor: pointer;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.7), 0 0 16px rgba(0, 255, 208, 0.35);
    transition: opacity 0.25s ease, transform 0.25s ease;
    animation: unlock-pulse 2s infinite ease-in-out;
}

@keyframes unlock-pulse {
    0%, 100% { transform: translateY(0); box-shadow: 0 8px 32px rgba(0,0,0,0.7), 0 0 12px rgba(0, 255, 208, 0.3); }
    50% { transform: translateY(-2px); box-shadow: 0 12px 36px rgba(0,0,0,0.8), 0 0 20px rgba(0, 255, 208, 0.55); }
}

.audio-unlock-overlay.hidden {
    display: none !important;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: #121418;
}
::-webkit-scrollbar-thumb {
    background: #2e3542;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #414a5c;
}

/* ==========================================================================
   MIDI LEARN & MIDI DEVICE MANAGER STYLES
   ========================================================================== */

/* Top Floating MIDI Learn Notification Banner */
.midi-learn-banner {
    position: fixed;
    top: 14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(180deg, #241d10 0%, #151109 100%);
    border: 2px solid var(--accent-amber);
    box-shadow: 0 8px 30px rgba(255, 170, 0, 0.45);
    border-radius: 30px;
    padding: 6px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 5000;
    animation: banner-glow 1.5s infinite alternate;
}

.midi-learn-banner.hidden {
    display: none !important;
}

@keyframes banner-glow {
    from { box-shadow: 0 8px 20px rgba(255, 170, 0, 0.3); border-color: #ffaa00; }
    to { box-shadow: 0 8px 35px rgba(255, 170, 0, 0.7); border-color: #ffd000; }
}

.learn-pulse-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--accent-amber);
    box-shadow: 0 0 10px var(--accent-amber);
    animation: pulse-dot 0.6s infinite alternate;
}

@keyframes pulse-dot {
    from { transform: scale(0.8); opacity: 0.6; }
    to { transform: scale(1.3); opacity: 1; }
}

.learn-badge {
    background: var(--accent-amber);
    color: #111;
    font-size: 10px;
    font-weight: 900;
    padding: 2px 6px;
    border-radius: 4px;
    letter-spacing: 1px;
}

#midi-learn-status-text {
    font-size: 12px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.5px;
}

/* Learnable & Learning Interactive Control Outlines */
.midi-learnable {
    outline: 2px dashed rgba(255, 170, 0, 0.6) !important;
    outline-offset: 2px;
    cursor: crosshair !important;
    transition: outline 0.15s ease;
}

.midi-learnable:hover {
    outline: 2px dashed var(--accent-cyan) !important;
    box-shadow: 0 0 10px var(--accent-cyan-glow) !important;
}

.midi-learning {
    outline: 3px solid var(--accent-cyan) !important;
    outline-offset: 2px;
    box-shadow: 0 0 20px rgba(0, 255, 208, 0.9) !important;
    animation: pulse-learning 0.5s infinite alternate !important;
}

@keyframes pulse-learning {
    from { outline-color: var(--accent-cyan); box-shadow: 0 0 12px var(--accent-cyan-glow); }
    to { outline-color: #ffffff; box-shadow: 0 0 24px rgba(255, 255, 255, 0.9); }
}

/* Header Learn Toggle Button Active State */
.btn-midi-learn-toggle.active {
    background: linear-gradient(180deg, #ffaa00 0%, #cc7700 100%) !important;
    border-color: #ffd000 !important;
    color: #111 !important;
    font-weight: 900 !important;
    box-shadow: 0 0 16px rgba(255, 170, 0, 0.7) !important;
    animation: pulse-cued 0.8s infinite alternate;
}

/* MIDI Hardware Signal Activity LED */
.midi-activity-led {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: var(--led-off);
    border: 1px solid #333;
    transition: background-color 0.05s ease, box-shadow 0.05s ease;
}

.midi-activity-led.lit {
    background-color: var(--accent-cyan) !important;
    box-shadow: 0 0 10px var(--accent-cyan) !important;
}

/* Live MIDI Monitor Terminal Console */
.midi-monitor-terminal {
    background-color: #080a0c;
    border: 1px solid #202630;
    border-radius: 4px;
    padding: 8px 12px;
    height: 140px;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 11px;
    line-height: 1.5;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.8);
}

.midi-log-entry {
    color: var(--accent-cyan);
    margin-bottom: 2px;
    word-break: break-all;
}

.midi-log-entry.note-on {
    color: #00ffd0;
}

.midi-log-entry.note-off {
    color: #5a7582;
}

.midi-log-entry.cc {
    color: var(--accent-amber);
}

/* MIDI Mappings Table */
.midi-table-scroll-wrap {
    max-height: 240px;
    overflow-y: auto;
    border: 1px solid #232730;
    border-radius: 4px;
    background: #111317;
}

.midi-mappings-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 11px;
    text-align: left;
}

.midi-mappings-table th {
    background: #191c22;
    padding: 8px 10px;
    font-size: 9px;
    font-weight: 800;
    color: var(--text-dim);
    letter-spacing: 1px;
    text-transform: uppercase;
    border-bottom: 1px solid #282f3a;
    position: sticky;
    top: 0;
    z-index: 2;
}

.midi-mappings-table td {
    padding: 7px 10px;
    border-bottom: 1px solid #1a1e24;
    color: var(--text-main);
}

.midi-mappings-table tr:hover td {
    background: #1a2029;
}

.badge-midi-type {
    display: inline-block;
    padding: 1px 5px;
    border-radius: 3px;
    font-size: 9px;
    font-weight: 800;
    font-family: var(--font-mono);
}

.badge-midi-type.note {
    background: #004d3d;
    color: #00ffd0;
    border: 1px solid #00aa88;
}

.badge-midi-type.cc {
    background: #4d3300;
    color: #ffaa00;
    border: 1px solid #996600;
}

.btn-remove-map {
    background: #331414;
    border: 1px solid #662222;
    color: #ff6666;
    padding: 2px 7px;
    font-size: 11px;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.1s ease;
}

.btn-remove-map:hover {
    background: #881111;
    color: #fff;
}

/* ==========================================================================
   LOW CPU GRAPHICS & ENGINE OPTIMIZATION MODE
   ========================================================================== */
body.low-cpu-mode * {
    box-shadow: none !important;
    text-shadow: none !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    transition: none !important;
    animation: none !important;
}

body.low-cpu-mode #canvas-master-oscilloscope {
    display: none !important;
}

body.low-cpu-mode .workstation-chassis {
    box-shadow: none !important;
    border: 1px solid #333 !important;
}

body.low-cpu-mode #btn-toggle-seq-collapse {
    opacity: 0.45 !important;
    pointer-events: none !important;
    cursor: not-allowed !important;
}

/* Retain sharp, solid 808 coloring in Low CPU mode */
body.low-cpu-mode .drum-pad.active {
    background: #ff5500 !important;
    border-color: #ffffff !important;
}

body.low-cpu-mode .sequencer-step-btn.active {
    filter: brightness(1.2);
}

/* ==========================================================================
   COLLAPSIBLE SEQUENCER & SINGLE PAD VIEW
   ========================================================================== */
.bottom-deck-sequencer.single-pad-view .sequencer-tracks-rows .sequencer-track-row:not(.active-pad-row) {
    display: none !important;
}

.sequencer-track-row.active-pad-row {
    background: rgba(0, 255, 208, 0.06);
    border-left: 3px solid var(--accent-cyan);
}

/* Disabled Drum Cells (9-12 and 13-16 OFF switches) */
.drum-pad.cell-disabled {
    opacity: 0.28 !important;
    filter: grayscale(100%) brightness(0.6) !important;
    pointer-events: none !important;
    border-color: #2b2f38 !important;
}

.sequencer-track-row.track-disabled {
    opacity: 0.25 !important;
    pointer-events: none !important;
}

/* ==========================================================================
   PAD CONTROLLER (AKAI / NOVATION) PREVIEW MATRIX
   ========================================================================== */
.split-preview-matrix {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 4px;
}

.split-row {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 4px;
}

.preview-pad {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 24px;
    border-radius: 3px;
    font-size: 9px;
    font-family: var(--font-mono);
    font-weight: 700;
}

.preview-pad.play {
    background: #19313d;
    color: var(--accent-cyan);
    border: 1px solid #00ffd044;
}

.preview-pad.seq {
    background: #3d2c19;
    color: var(--color-808-orange);
    border: 1px solid #ffaa0044;
}

/* ==========================================================================
   3-WINDOW PAD EDITOR ARCHITECTURE & PERFORMANCE EXPANSION
   ========================================================================== */
.pad-window {
    background: var(--bg-panel-inset);
    border: 1px solid #232730;
    border-radius: 4px;
    padding: 6px 10px;
    margin-bottom: 8px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.pad-window-top {
    border-top: 2px solid var(--accent-cyan);
}

.pad-window-mid {
    border-top: 2px solid #9966ff;
}

.pad-window-bottom {
    border-top: 2px solid var(--accent-orange);
}

.pad-window-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #232730;
    padding-bottom: 4px;
    margin-bottom: 6px;
}

.pad-window-title {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.5px;
    font-family: var(--font-mono);
}

.aux-trigger-pad-btn {
    transition: all 0.08s ease;
    user-select: none;
    -webkit-user-select: none;
}

.aux-trigger-pad-btn:active,
.aux-trigger-pad-btn.triggered {
    background: #00ffd0 !important;
    color: #000 !important;
    box-shadow: 0 0 14px rgba(0, 255, 208, 0.9) !important;
    transform: translateY(1px);
}

.aux-trigger-pad-card:nth-child(2) .aux-trigger-pad-btn:active,
.aux-trigger-pad-card:nth-child(2) .aux-trigger-pad-btn.triggered {
    background: #ffaa00 !important;
    color: #000 !important;
    box-shadow: 0 0 14px rgba(255, 170, 0, 0.9) !important;
}

.aux-trigger-pad-card:nth-child(3) .aux-trigger-pad-btn:active,
.aux-trigger-pad-card:nth-child(3) .aux-trigger-pad-btn.triggered {
    background: #ff4466 !important;
    color: #000 !important;
    box-shadow: 0 0 14px rgba(255, 68, 102, 0.9) !important;
}

.aux-trigger-pad-card:nth-child(4) .aux-trigger-pad-btn:active,
.aux-trigger-pad-card:nth-child(4) .aux-trigger-pad-btn.triggered {
    background: #b366ff !important;
    color: #000 !important;
    box-shadow: 0 0 14px rgba(179, 102, 255, 0.9) !important;
}

.speed-mult-group .btn-transport.active {
    background: #00774e;
    border-color: #00ffd0;
    color: #fff;
    font-weight: 800;
}

/* ==========================================================================
   SUBTRACTIVE SYNTH CONSOLIDATED 5-CHANNEL MINI MIXER STRIP
   ========================================================================== */
.sub-5channel-mixer {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 6px;
    background: #0d0f14;
    border: 1px solid #1f242e;
    border-radius: 4px;
    padding: 6px 8px;
    margin: 6px 0 8px 0;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.4);
}

.sub-mixer-channel {
    background: #14171e;
    border: 1px solid #252c38;
    border-radius: 3px;
    padding: 4px 6px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: center;
}

.sub-mixer-ch-header {
    font-size: 9px;
    font-weight: 800;
    color: var(--accent-cyan);
    font-family: var(--font-mono);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.sub-mixer-field {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.sub-mixer-label-row {
    display: flex;
    justify-content: space-between;
    font-size: 8px;
    font-family: var(--font-mono);
    color: var(--text-dim);
}

.sub-mixer-val {
    color: var(--accent-orange);
    font-weight: 700;
}

.sub-mixer-pan-val {
    color: var(--accent-cyan);
    font-weight: 700;
}

.sub-mixer-slider {
    width: 100%;
    height: 4px;
    accent-color: var(--accent-orange);
    cursor: pointer;
}

.sub-mixer-pan-slider {
    accent-color: var(--accent-cyan);
}

.sub-mixer-mute-btn {
    width: 100%;
    padding: 2px 4px;
    font-size: 8px;
    font-weight: 800;
    font-family: var(--font-mono);
    background: #1a1e27;
    border: 1px solid #2d3644;
    color: var(--text-dim);
    border-radius: 2px;
    cursor: pointer;
    text-align: center;
    transition: all 0.1s ease;
}

.sub-mixer-mute-btn:hover {
    background: #252b38;
    color: #fff;
}

.sub-mixer-mute-btn.active-mute {
    background: #441414;
    border-color: #ff3333;
    color: #ff8888;
    box-shadow: 0 0 6px rgba(255, 51, 51, 0.4);
}

/* ==========================================================================
   LIVE RECORDING & PATTERN MANAGEMENT STYLES
   ========================================================================== */

.btn-transport.record {
    color: #ff5555;
    border-color: #aa2222;
    background: #2a0808;
    font-weight: 800;
}

.btn-transport.record:hover {
    background: #4a0d0d;
    border-color: #ff4444;
    color: #fff;
}

.btn-transport.record.recording {
    background: #8b0000;
    border-color: #ff3333;
    color: #ffffff;
    box-shadow: 0 0 12px rgba(255, 51, 51, 0.85);
    animation: recGlowPulse 0.9s infinite alternate;
}

@keyframes recGlowPulse {
    0% {
        box-shadow: 0 0 4px rgba(255, 51, 51, 0.5);
        border-color: #cc2222;
    }
    100% {
        box-shadow: 0 0 16px rgba(255, 51, 51, 1.0);
        border-color: #ff6666;
    }
}

.btn-transport.setup {
    background: #141b26;
    border-color: #2b3a52;
    color: var(--accent-cyan);
    font-weight: 700;
    font-size: 10px;
}

.btn-transport.setup:hover {
    background: #1e2838;
    border-color: var(--accent-cyan);
}

#btn-seq-pat-lock.locked {
    background: #3b2800 !important;
    border-color: #ffaa00 !important;
    color: #ffcc00 !important;
    box-shadow: 0 0 8px rgba(255, 170, 0, 0.4);
}

.drum-pad.drag-over {
    border: 2px dashed #00ffd0 !important;
    background: rgba(0, 255, 208, 0.18) !important;
    box-shadow: inset 0 0 18px rgba(0, 255, 208, 0.4), 0 0 12px rgba(0, 255, 208, 0.6) !important;
    transform: scale(1.02);
}

.pad-looper-tool.drag-over {
    border: 2px dashed #ff007f !important;
    background: rgba(255, 0, 127, 0.18) !important;
    box-shadow: inset 0 0 18px rgba(255, 0, 127, 0.4), 0 0 12px rgba(255, 0, 127, 0.6) !important;
}

.sample-meta-display {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--accent-cyan);
    background: #0a0e17;
    padding: 4px 8px;
    border-radius: 3px;
    border: 1px solid #1a2333;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Metronome Click Button */
.btn-transport.click {
    background: #141b26;
    border-color: #2b3a52;
    color: var(--text-muted);
    font-weight: 700;
    font-size: 10px;
}
.btn-transport.click:hover {
    background: #1e2838;
    color: var(--text-main);
}
.btn-transport.click.active {
    background: #005a3e;
    border-color: #00ffd0;
    color: #ecfdf5;
    box-shadow: 0 0 10px rgba(0, 255, 208, 0.5);
}

/* Sequencer Clear Active Pad & Export MIDI Buttons */
#btn-seq-clear-pad:hover {
    background: #5c2020 !important;
    border-color: #ff5555 !important;
    color: #fff !important;
}
#btn-export-seq-midi:hover {
    background: #14426f !important;
    box-shadow: 0 0 8px rgba(0, 255, 208, 0.4);
}

/* Multi-Note MIDI Matrix Styling */
.midi-matrix-wrapper::-webkit-scrollbar {
    width: 6px;
}
.midi-matrix-wrapper::-webkit-scrollbar-thumb {
    background: #1f293d;
    border-radius: 3px;
}
.midi-matrix-table td {
    padding: 6px 8px;
    border-bottom: 1px solid #141b26;
    color: var(--text-main);
}
.midi-matrix-table tr:hover {
    background: rgba(0, 255, 208, 0.04);
}
.midi-matrix-select {
    background: #101622;
    border: 1px solid #232d3f;
    color: var(--text-main);
    font-size: 10px;
    border-radius: 3px;
    padding: 2px 4px;
    width: 100%;
}
.midi-matrix-select:focus {
    border-color: var(--accent-cyan);
    outline: none;
}

/* Axiom Toast & Restore Session Banner */
.axiom-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: #141c2b;
    border: 1px solid var(--accent-cyan);
    color: #fff;
    padding: 10px 18px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.6), 0 0 10px rgba(0, 255, 208, 0.3);
    z-index: 100000;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.25s ease, transform 0.25s ease;
    pointer-events: none;
}
.axiom-toast.show {
    opacity: 1;
    transform: translateY(0);
}
.axiom-toast.ok {
    border-color: #00ffd0;
    color: #e0fff9;
}
.axiom-toast.error {
    border-color: #ff4444;
    color: #ffe0e0;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.6), 0 0 10px rgba(255, 68, 68, 0.3);
}

.axiom-restore-banner {
    position: fixed;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    background: #0d1522;
    border: 1px solid var(--accent-cyan);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.8), 0 0 14px rgba(0, 255, 208, 0.4);
    color: #fff;
    padding: 8px 18px;
    border-radius: 5px;
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 100000;
}
.axiom-restore-banner button {
    padding: 4px 10px;
    font-size: 10px;
    cursor: pointer;
}
#btn-restore-session {
    background: #0d4436;
    border: 1px solid #00ffd0;
    color: #00ffd0;
}
#btn-restore-session:hover {
    background: #11624d;
    box-shadow: 0 0 8px rgba(0, 255, 208, 0.5);
}
#btn-discard-session {
    background: #331a1a;
    border: 1px solid #ff5533;
    color: #ff8866;
}
#btn-discard-session:hover {
    background: #4a2222;
}
#project-autosave-status {
    font-size: 8px;
    font-family: var(--font-mono);
    color: #00ffd0;
    letter-spacing: 0.5px;
    opacity: 0.8;
}



/* v11.6 song parts: verse red, chorus orange, bridge amber, intro / fill bright yellow, percussion white */
.btn-seq-slot.k-verse { border-color: #c62828; background: #3a1414; } .btn-seq-slot.k-verse .seq-role { color: #ff9a92; }
.btn-seq-slot.k-chorus { border-color: #ff7a1a; background: #3d2108; } .btn-seq-slot.k-chorus .seq-role { color: #ffb26b; }
.btn-seq-slot.k-bridge { border-color: #ffb000; background: #3d3008; } .btn-seq-slot.k-bridge .seq-role { color: #ffd24d; }
.btn-seq-slot.k-intro, .btn-seq-slot.k-fill { border-color: #ffee00; background: #3b3a06; } .btn-seq-slot.k-intro .seq-role, .btn-seq-slot.k-fill .seq-role { color: #fff566; }
.btn-seq-slot.k-perc { border-color: #e8e8e8; background: #2c2f36; } .btn-seq-slot.k-perc .seq-role { color: #ffffff; }
.btn-seq-slot.k-verse.active { background: #e53935; box-shadow: 0 0 10px #e53935; } .btn-seq-slot.k-chorus.active { background: #ff7a1a; box-shadow: 0 0 10px #ff7a1a; }
.btn-seq-slot.k-bridge.active { background: #ffb000; box-shadow: 0 0 10px #ffb000; } .btn-seq-slot.k-intro.active, .btn-seq-slot.k-fill.active { background: #ffee00; box-shadow: 0 0 10px #ffee00; }
.btn-seq-slot.k-perc.active { background: #ffffff; box-shadow: 0 0 10px #ffffff; }
.btn-seq-slot.active .seq-num, .btn-seq-slot.active .seq-role { color: #111; }
.sequence-slots-matrix { flex-wrap: wrap; }
.btn-follow { font-size: 9px; padding: 3px 7px; font-weight: 800; background: #3b3a06; border-color: #ffee00; color: #fff566; } .btn-follow.off { background: #1e222a; border-color: #555; color: #888; }
.follow-panel { position: fixed; z-index: 90; background: #12161e; border: 1px solid #ffee00; border-radius: 8px; padding: 10px 12px; box-shadow: 0 8px 30px rgba(0,0,0,.6); font-size: 11px; color: #dfe6f1; min-width: 260px; }
.follow-panel h4 { margin: 0 0 6px; font-size: 11px; color: #fff566; } .follow-panel .fp-row { display: flex; align-items: center; gap: 8px; margin: 5px 0; } .follow-panel .fp-row label { flex: 1; font-weight: 700; } .follow-panel select { font-size: 11px; }

/* NETWORK SYNC window */
.btn-sync.on { background: #0f3b2a; border-color: #00ffd0; color: #00ffd0; }
.sync-panel { position: fixed; z-index: 95; width: 360px; max-width: calc(100vw - 12px); max-height: calc(100vh - 20px); overflow: auto; background: #12161e; border: 1px solid #00ffd0; border-radius: 8px; padding: 10px 12px; box-shadow: 0 10px 34px rgba(0,0,0,.65); color: #dfe6f1; font-size: 11px; }
.sync-panel.hidden { display: none; }
.sync-panel .sp-head { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; } .sync-panel .sp-head b { color: #00ffd0; letter-spacing: 1px; } .sync-panel .sp-head button { margin-left: auto; }
.sync-panel .sp-state { font-size: 9px; color: #8a97ad; } .sync-panel .sp-state.on { color: #6fe3a0; }
.sync-panel .sp-row { display: flex; align-items: center; gap: 8px; margin: 5px 0; flex-wrap: wrap; } .sync-panel .sp-row label { display: flex; align-items: center; gap: 4px; font-weight: 700; }
.sync-panel input[type=text], .sync-panel select { background: #0b0e14; color: #fff; border: 1px solid #2c3550; border-radius: 4px; padding: 3px 6px; font-size: 11px; flex: 1; min-width: 0; }
.sync-panel button { background: #1a2030; color: #dfe6f1; border: 1px solid #2c3550; border-radius: 6px; padding: 4px 10px; font-weight: 700; cursor: pointer; font-size: 10px; }
.sync-panel .sp-big { flex: 1; font-size: 13px; padding: 8px; } .sync-panel .sp-big.on { background: #0f3b2a; border-color: #00ffd0; color: #00ffd0; }
.sync-panel .sp-box { border: 1px solid #232b3d; border-radius: 6px; padding: 5px 8px; margin: 6px 0; } .sync-panel .sp-sub { font-size: 9px; font-weight: 800; color: #00ffd0; letter-spacing: .5px; }
.sync-panel .sp-dim { color: #8a97ad; font-weight: 400; font-size: 9px; } .sync-panel .sp-checks label { font-weight: 600; }
.sync-panel .sp-peer { padding: 2px 0; } .sync-panel .sp-role { font-style: normal; font-size: 8px; padding: 1px 5px; border-radius: 8px; background: #2c3550; } .sync-panel .sp-role.master { background: #b8860b; color: #000; } .sync-panel .sp-role.slave { background: #1e8f5a; }

/* aux FX: the reverb / delay controls */
.axfx { margin-top: 6px; } .axfx-note { font-size: 9px; color: var(--text-dim, #8a97ad); margin: 2px 0 6px; }
.axfx-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 6px 14px; }

/* GRID CONTROLLER tab (MIDI setup) */
.gp { display: flex; flex-direction: column; gap: 8px; font-size: 11px; } .gp.hidden { display: none; }
.gp .gp-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; } .gp .gp-row label { display: flex; align-items: center; gap: 4px; font-weight: 700; }
.gp .gp-box { border: 1px solid #232b3d; border-radius: 6px; padding: 6px 8px; } .gp .gp-sub { font-size: 9px; font-weight: 800; color: var(--accent-cyan, #00ffd0); letter-spacing: .5px; margin-bottom: 4px; }
.gp .gp-dim { color: #8a97ad; font-size: 9px; font-weight: 400; } .gp .gp-checks label { font-weight: 600; }
.gp select, .gp input[type=text], .gp input[type=number] { background: #0b0e14; color: #fff; border: 1px solid #2c3550; border-radius: 4px; padding: 3px 6px; font-size: 11px; min-width: 0; } .gp input[type=text] { flex: 1; }
.gp button { background: #1a2030; color: #dfe6f1; border: 1px solid #2c3550; border-radius: 6px; padding: 4px 9px; font-weight: 700; font-size: 10px; cursor: pointer; }
.gp .gb-row { display: flex; align-items: center; gap: 6px; margin: 3px 0; flex-wrap: wrap; } .gp .gb-name { flex: 1; min-width: 160px; } .gp .gb-row input[type=number] { width: 44px; }
.gp .gp-preview { display: grid; gap: 4px; max-width: 360px; } .gp .gp-cell { aspect-ratio: 1; border-radius: 5px; border: 1px solid #000a; cursor: pointer; } .gp .gp-cell.blink { animation: gpblink .5s infinite alternate; } @keyframes gpblink { to { opacity: .35; } }
.gp .gp-note { font-size: 9px; color: #8a97ad; }