/* ============================================
   OCTADRE — Digital MIDI Sequencer
   Design System & Styles
   ============================================ */

:root {
    /* Color Palette — inspired by Novation Launchpad */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a28;
    --bg-surface: #1e1e2e;
    --bg-elevated: #252538;

    --text-primary: #e8e8f0;
    --text-secondary: #9898b0;
    --text-muted: #5a5a78;

    /* Track Colors (mapped from Launchpad color palette) */
    --color-track-1: #00e060;
    --color-track-2: #00c8ff;
    --color-track-3: #ff6040;
    --color-track-4: #ffc800;
    --color-track-5: #c060ff;
    --color-track-6: #ff4080;
    --color-track-7: #40ffb0;
    --color-track-8: #80a0ff;
    --color-track-9: #ff8020;
    --color-track-10: #40e0e0;
    --color-track-11: #e0e040;
    --color-track-12: #ff60c0;
    --color-track-13: #60ff60;
    --color-track-14: #8080ff;
    --color-track-15: #ff4040;
    --color-track-16: #40c0ff;

    /* Functional Colors */
    --color-active-step: #ffffff;
    --color-cursor: #00ff88;
    --color-active-note: #00e8a0;
    --color-inactive-note: #3a3a50;
    --color-triplet: #ff60ff;
    --color-double-note: #60ffff;
    --color-length: #4040ff;
    --color-velocity: #ff8040;
    --color-octave: #ffff40;
    --color-scene-active: #ffffff;

    /* Accent */
    --accent: #00e8a0;
    --accent-dim: #00a070;
    --danger: #ff4060;

    /* Harmony Function Colors */
    --harmony-tonic: #00e8a0;
    --harmony-predominant: #e8b800;
    --harmony-dominant: #e85050;
    --harmony-secondary: #b060e8;

    /* Borders */
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-medium: rgba(255, 255, 255, 0.1);

    /* Shadows */
    --shadow-glow: 0 0 20px rgba(0, 232, 160, 0.15);
    --shadow-pad: 0 2px 8px rgba(0, 0, 0, 0.4);

    /* Radii */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Transitions */
    --transition-fast: 80ms ease;
    --transition-normal: 150ms ease;
    --transition-smooth: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   Reset & Base
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html,
body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   App Layout
   ============================================ */
#app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-height: 100vh;
}

/* ============================================
   Header
   ============================================ */
#header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    height: 56px;
    min-height: 56px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-subtle);
    z-index: 10;
}

.header-left {
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 4px;
    background: linear-gradient(135deg, var(--accent) 0%, #40c0ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-sub {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 2px;
}

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

.transport-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-medium);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.transport-btn:hover {
    background: var(--bg-elevated);
    border-color: var(--accent);
    color: var(--accent);
}

.transport-btn.active {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
    box-shadow: 0 0 12px rgba(0, 232, 160, 0.3);
}

.tempo-display,
.clock-source-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
}

.tempo-display label,
.clock-source-toggle label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 600;
}

#bpm-input {
    width: 56px;
    height: 30px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    text-align: center;
    outline: none;
}

#bpm-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 8px rgba(0, 232, 160, 0.2);
}

#clock-source {
    height: 30px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 11px;
    padding: 0 8px;
    outline: none;
    cursor: pointer;
}

/* MIDI Config */
.midi-config {
    display: flex;
    align-items: center;
    gap: 16px;
}

.midi-select-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.midi-select-group label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 600;
    white-space: nowrap;
}

.midi-select-group select {
    height: 30px;
    min-width: 120px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 11px;
    padding: 0 8px;
    outline: none;
    cursor: pointer;
}

.midi-status {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 500;
}

.midi-status .status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    transition: background var(--transition-normal);
}

.midi-status.connected .status-dot {
    background: var(--accent);
    box-shadow: 0 0 6px var(--accent);
}

.midi-status.disconnected .status-dot {
    background: var(--text-muted);
}

.midi-status.connected .status-text {
    color: var(--accent);
}

.midi-status.disconnected .status-text {
    color: var(--text-muted);
}

/* ============================================
   Main Layout
   ============================================ */
#main {
    display: flex;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

/* ============================================
   Track Panel (Left)
   ============================================ */
#track-panel {
    width: 200px;
    min-width: 200px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.panel-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-subtle);
}

.page-toggle {
    display: flex;
    gap: 2px;
}

.page-btn {
    font-size: 10px;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-medium);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.page-btn.active {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
}

#track-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.track-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-bottom: 2px;
    position: relative;
}

.track-item:hover {
    background: var(--bg-elevated);
}

.track-item.selected {
    background: var(--bg-elevated);
    box-shadow: inset 3px 0 0 var(--track-color, var(--accent));
}

.track-item.muted {
    opacity: 0.35;
}

.track-color-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.track-item-info {
    flex: 1;
    min-width: 0;
}

.track-item-name {
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.track-item-detail {
    font-size: 10px;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}

.track-mute-btn {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-medium);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.track-mute-btn:hover {
    border-color: var(--danger);
    color: var(--danger);
}

.track-mute-btn.muted {
    background: var(--danger);
    color: white;
    border-color: var(--danger);
}

/* ============================================
   Grid Section (Center)
   ============================================ */
#grid-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 16px;
    min-width: 0;
    gap: 12px;
}

/* Mode Bar */
#mode-bar {
    display: flex;
    gap: 4px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: 3px;
}

.mode-btn {
    padding: 6px 20px;
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.mode-btn.active {
    background: var(--accent);
    color: var(--bg-primary);
}

/* Launchpad Container */
#launchpad-container {
    background: linear-gradient(180deg, rgba(18, 18, 28, 0.95) 0%, rgba(12, 12, 20, 0.98) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5),
        0 4px 16px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
}

#launchpad-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 232, 160, 0.02) 0%, transparent 50%);
    pointer-events: none;
}

/* Top Controls */
#top-controls {
    display: flex;
    gap: 6px;
    margin-bottom: 10px;
    justify-content: center;
}

.ctrl-btn {
    height: 30px;
    padding: 0 12px;
    border-radius: 15px;
    border: 1px solid var(--border-medium);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.ctrl-btn:hover {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border-color: var(--accent-dim);
}

.ctrl-btn:active {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
}

/* Grid Wrapper */
#grid-wrapper {
    display: flex;
    gap: 8px;
}

/* Pad Grid */
#pad-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    grid-template-rows: repeat(8, 1fr);
    gap: 5px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle at center, rgba(0, 232, 160, 0.03) 0%, transparent 70%);
    padding: 4px;
    border-radius: var(--radius-md);
}

.pad {
    width: 100%;
    height: 100%;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.04);
    cursor: pointer;
    position: relative;
    transition: background-color var(--transition-fast),
        box-shadow var(--transition-fast),
        transform 40ms ease,
        border-color var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(2px);
}

.pad:hover {
    filter: brightness(1.35);
    transform: scale(1.06);
    border-color: rgba(255, 255, 255, 0.12);
    z-index: 2;
}

.pad:active {
    transform: scale(0.94);
    filter: brightness(1.8);
}

.pad.inactive {
    background: rgba(20, 20, 35, 0.35);
    border-color: rgba(255, 255, 255, 0.02);
    cursor: default;
    color: transparent;
}

.pad.inactive:hover {
    filter: none;
    transform: none;
}

.pad.active-step {
    background: var(--color-active-step) !important;
    box-shadow: 0 0 16px rgba(255, 255, 255, 0.5), inset 0 0 12px rgba(255, 255, 255, 0.2);
    color: rgba(0, 0, 0, 0.5);
    border-color: rgba(255, 255, 255, 0.3);
}

.pad.cursor {
    background: var(--color-cursor) !important;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.6), 0 0 40px rgba(0, 255, 136, 0.2);
    animation: cursor-pulse 0.3s ease;
    color: rgba(0, 0, 0, 0.5);
    border-color: rgba(0, 255, 136, 0.5);
}

.pad.triplet {
    background: var(--color-triplet) !important;
    box-shadow: 0 0 14px rgba(255, 96, 255, 0.5), inset 0 0 8px rgba(255, 96, 255, 0.2);
    color: rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 96, 255, 0.3);
}

.pad.double-note {
    background: var(--color-double-note) !important;
    box-shadow: 0 0 14px rgba(96, 255, 255, 0.5), inset 0 0 8px rgba(96, 255, 255, 0.2);
    color: rgba(0, 0, 0, 0.4);
    border-color: rgba(96, 255, 255, 0.3);
}

.pad.out-of-range {
    background: rgba(15, 15, 25, 0.3);
    cursor: default;
    border-color: rgba(255, 255, 255, 0.01);
    color: rgba(255, 255, 255, 0.1);
}

.pad.out-of-range:hover {
    filter: none;
    transform: none;
}

.pad.note-active {
    background: var(--color-active-note);
    box-shadow: 0 0 12px rgba(0, 232, 160, 0.4), inset 0 0 6px rgba(0, 232, 160, 0.15);
    color: rgba(0, 0, 0, 0.5);
    border-color: rgba(0, 232, 160, 0.3);
}

.pad.note-inactive {
    background: var(--color-inactive-note);
    border-color: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.5);
}

.pad.length-on {
    background: var(--color-length);
    box-shadow: 0 0 12px rgba(64, 64, 255, 0.4), inset 0 0 6px rgba(64, 64, 255, 0.15);
    color: rgba(255, 255, 255, 0.6);
    border-color: rgba(64, 64, 255, 0.3);
}

.pad.velocity-on {
    background: var(--color-velocity);
    box-shadow: 0 0 12px rgba(255, 128, 64, 0.4), inset 0 0 6px rgba(255, 128, 64, 0.15);
    color: rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 128, 64, 0.3);
}

.pad.octave-on {
    background: var(--color-octave);
    box-shadow: 0 0 12px rgba(255, 255, 64, 0.4), inset 0 0 6px rgba(255, 255, 64, 0.15);
    color: rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 64, 0.3);
}

.pad.ctrl-off {
    background: rgba(30, 30, 48, 0.6);
    border-color: rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.15);
}

@keyframes cursor-pulse {
    0% {
        transform: scale(1.08);
    }

    100% {
        transform: scale(1);
    }
}

.pad.flash {
    animation: pad-flash 0.4s ease;
}

@keyframes pad-flash {
    0% {
        filter: brightness(2);
        transform: scale(1.08);
    }

    100% {
        filter: brightness(1);
        transform: scale(1);
    }
}

/* Side Buttons */
#side-buttons {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 56px;
}

.side-btn {
    flex: 1;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-medium);
    background: var(--bg-tertiary);
    cursor: pointer;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 700;
    color: var(--text-muted);
    transition: all var(--transition-fast);
    overflow: hidden;
}

.side-btn::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    transition: background var(--transition-fast);
}

.side-btn.selected {
    border-color: var(--accent);
}

.side-btn.selected::before {
    background: var(--accent);
}

.side-btn.muted {
    opacity: 0.3;
}

.side-btn:hover {
    background: var(--bg-elevated);
}

/* Scene Bar */
#scene-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    justify-content: center;
}

.scene-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    font-weight: 700;
    margin-right: 8px;
}

.scene-btn {
    width: 48px;
    height: 32px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-medium);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.scene-btn:hover {
    background: var(--bg-elevated);
    border-color: var(--accent-dim);
}

.scene-btn.active {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
    box-shadow: 0 0 12px rgba(0, 232, 160, 0.3);
}

/* Step Info Bar */
#step-info {
    display: flex;
    gap: 16px;
    padding: 10px 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
}

.info-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.info-label {
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 600;
}

.info-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
}

/* ============================================
   Control Panel (Right)
   ============================================ */
#control-panel {
    width: 220px;
    min-width: 220px;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.control-group {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-subtle);
}

.control-group h3 {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    font-weight: 700;
    margin-bottom: 10px;
}

.tempo-mod-buttons,
.copy-buttons,
.pattern-buttons,
.save-load-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
}

.tempo-mod-btn,
.action-btn {
    height: 32px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-medium);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tempo-mod-btn:hover,
.action-btn:hover {
    background: var(--bg-elevated);
    border-color: var(--accent-dim);
    color: var(--text-primary);
}

.tempo-mod-btn.active {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
}

.action-btn.danger {
    border-color: rgba(255, 64, 96, 0.3);
    color: var(--danger);
}

.action-btn.danger:hover {
    background: var(--danger);
    color: white;
    border-color: var(--danger);
}

.action-btn.copying {
    background: var(--color-triplet);
    color: var(--bg-primary);
    border-color: var(--color-triplet);
    animation: copy-pulse 0.8s ease infinite;
}

@keyframes copy-pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

.track-length-control {
    display: flex;
    align-items: center;
    gap: 8px;
}

#track-length-slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    outline: none;
}

#track-length-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: none;
    box-shadow: 0 0 6px rgba(0, 232, 160, 0.4);
}

#track-length-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    font-weight: 700;
    color: var(--accent);
    min-width: 24px;
    text-align: center;
}

/* ============================================
   Scrollbar
   ============================================ */
::-webkit-scrollbar {
    width: 4px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--bg-elevated);
    border-radius: 2px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ============================================
   Selection & Focus
   ============================================ */
::selection {
    background: rgba(0, 232, 160, 0.3);
    color: white;
}

select:focus,
input:focus,
button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

button:focus:not(:focus-visible) {
    outline: none;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1200px) {
    #control-panel {
        width: 180px;
        min-width: 180px;
    }

    #track-panel {
        width: 170px;
        min-width: 170px;
    }

    #pad-grid {
        width: 420px;
        height: 420px;
    }
}

@media (max-width: 960px) {
    #track-panel {
        display: none;
    }

    #control-panel {
        display: none;
    }

    #pad-grid {
        width: 360px;
        height: 360px;
    }
}

/* ============================================
   Keyboard Shortcut Hint
   ============================================ */
.keyboard-hint {
    position: fixed;
    bottom: 8px;
    right: 8px;
    font-size: 9px;
    color: var(--text-muted);
    opacity: 0.5;
    pointer-events: none;
}

/* ============================================
   TRACK SAMPLE SECTION
   ============================================ */

.track-sample-section {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.panel-subtitle {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.sample-slot {
    position: relative;
    background: rgba(15, 15, 25, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 6px;
    padding: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
    cursor: pointer;
    min-height: 48px;
}

.sample-slot:hover {
    border-color: rgba(255, 255, 255, 0.12);
    background: rgba(20, 20, 35, 0.8);
}

.sample-slot.has-sample {
    border-color: var(--accent-dim);
    background: rgba(0, 232, 160, 0.04);
}

.sample-slot canvas {
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.3);
    flex-shrink: 0;
}

.sample-slot-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sample-slot-name {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sample-slot.has-sample .sample-slot-name {
    color: var(--text-primary);
}

.sample-slot-duration {
    font-size: 9px;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-muted);
}

.sample-remove-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 18px;
    height: 18px;
    border: none;
    background: rgba(255, 60, 60, 0.15);
    color: #ff6060;
    border-radius: 50%;
    font-size: 12px;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    line-height: 1;
    transition: all 0.15s ease;
}

.sample-slot.has-sample .sample-remove-btn {
    display: flex;
}

.sample-remove-btn:hover {
    background: rgba(255, 60, 60, 0.4);
    transform: scale(1.1);
}

/* Sample Controls */
.sample-controls {
    margin-top: 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.sample-ctrl-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.sample-ctrl-row label {
    font-size: 10px;
    font-weight: 500;
    color: var(--text-muted);
    width: 32px;
    flex-shrink: 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sample-slider {
    flex: 1;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.sample-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
    border: 2px solid var(--bg-primary);
    cursor: pointer;
    transition: transform 0.1s ease;
}

.sample-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.sample-ctrl-value {
    font-size: 10px;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-secondary);
    width: 40px;
    text-align: right;
    flex-shrink: 0;
}

/* ============================================
   SAMPLE EDITOR
   ============================================ */

.sample-editor {
    margin-top: 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 4px;
}

.sample-editor.collapsed .sample-editor-body {
    display: none;
}

.sample-editor.collapsed .sample-editor-toggle svg {
    transform: rotate(-90deg);
}

.sample-editor-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    padding: 4px 0;
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    transition: color 0.2s;
}

.sample-editor-toggle:hover {
    color: var(--accent);
}

.sample-editor-toggle svg {
    transition: transform 0.2s ease;
}

.sample-editor-body {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-top: 6px;
}

.editor-waveform-container {
    position: relative;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 6px;
    overflow: hidden;
    cursor: crosshair;
}

#editor-waveform {
    width: 100%;
    height: 80px;
    display: block;
}

.editor-time-labels {
    display: flex;
    justify-content: space-between;
    padding: 2px 6px;
    font-size: 9px;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-muted);
    background: rgba(0, 0, 0, 0.2);
}

/* ADSR Section */
.adsr-section {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.adsr-label {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

#adsr-visualizer {
    width: 100%;
    height: 50px;
    display: block;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.adsr-controls {
    display: flex;
    justify-content: space-around;
    gap: 4px;
}

.adsr-knob {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    flex: 1;
}

.adsr-knob label {
    font-size: 10px;
    font-weight: 700;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

.adsr-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.adsr-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent);
    border: 2px solid var(--bg-primary);
    cursor: pointer;
    transition: transform 0.1s ease;
}

.adsr-slider::-webkit-slider-thumb:hover {
    transform: scale(1.3);
}

.adsr-val {
    font-size: 9px;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-muted);
    white-space: nowrap;
}

/* ============================================
   SAMPLE BROWSER
   ============================================ */

.sample-browser {
    margin-top: 12px;
    background: linear-gradient(145deg, rgba(18, 18, 30, 0.95), rgba(10, 10, 18, 0.98));
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sample-browser-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    cursor: pointer;
}

.sample-browser-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.3px;
}

.sample-browser-title svg {
    color: var(--accent);
    opacity: 0.7;
}

.sample-browser-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.sb-action-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    font-size: 10px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.sb-action-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.15);
}

.sb-action-btn.toggle svg {
    transition: transform 0.3s ease;
}

.sample-browser.collapsed .sb-action-btn.toggle svg {
    transform: rotate(-90deg);
}

.sample-browser.collapsed .sample-browser-body {
    display: none;
}

/* Browser Body */
.sample-browser-body {
    max-height: 280px;
    display: flex;
    flex-direction: column;
}

.browser-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 6px 12px;
    font-size: 10px;
    color: var(--text-muted);
    background: rgba(0, 0, 0, 0.15);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    overflow-x: auto;
    white-space: nowrap;
}

.breadcrumb-item {
    padding: 2px 6px;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.15s ease;
    color: var(--text-muted);
}

.breadcrumb-item:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-secondary);
}

.breadcrumb-item:last-child {
    color: var(--accent);
    font-weight: 500;
}

.breadcrumb-sep {
    color: rgba(255, 255, 255, 0.15);
    font-size: 8px;
    user-select: none;
}

/* File List */
.browser-file-list {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    max-height: 220px;
}

.browser-file-list::-webkit-scrollbar {
    width: 5px;
}

.browser-file-list::-webkit-scrollbar-track {
    background: transparent;
}

.browser-file-list::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 3px;
}

.browser-file-list::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.15);
}

.browser-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 32px 16px;
    gap: 8px;
    text-align: center;
}

.browser-empty-state p {
    font-size: 12px;
    color: var(--text-muted);
    margin: 0;
}

.browser-empty-state strong {
    color: var(--accent);
}

.browser-hint {
    font-size: 9px;
    color: rgba(255, 255, 255, 0.2);
}

/* Browser Toolbar */
.browser-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 4px 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.browser-search {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 6px;
    padding: 3px 8px;
    min-width: 140px;
}

.browser-search input {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 11px;
    font-family: 'Inter', sans-serif;
    outline: none;
    width: 100%;
}

.browser-search input::placeholder {
    color: rgba(255, 255, 255, 0.25);
}

.browser-search:focus-within {
    border-color: var(--accent-green);
    box-shadow: 0 0 8px rgba(0, 232, 160, 0.15);
}

/* Scan progress */
.scan-progress {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 12px;
    background: rgba(0, 232, 160, 0.05);
    border-bottom: 1px solid rgba(0, 232, 160, 0.1);
}

.scan-progress.hidden {
    display: none;
}

.scan-progress-bar {
    flex: 1;
    height: 3px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 3px;
    overflow: hidden;
}

.scan-progress-fill {
    height: 100%;
    background: var(--accent-green);
    border-radius: 3px;
    width: 0%;
    transition: width 0.3s ease;
    animation: scanPulse 1.2s ease-in-out infinite;
}

@keyframes scanPulse {

    0%,
    100% {
        opacity: 0.6;
    }

    50% {
        opacity: 1;
    }
}

.scan-progress-text {
    font-size: 10px;
    color: var(--accent-green);
    white-space: nowrap;
}

/* Folder group headers in flat view */
.folder-group-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px 3px;
    font-size: 9px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.015);
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    position: sticky;
    top: 0;
    z-index: 1;
}

.folder-group-header svg {
    opacity: 0.35;
    flex-shrink: 0;
}

.folder-group-count {
    margin-left: auto;
    font-weight: 400;
    opacity: 0.5;
}

/* Active states for scan/view mode buttons */
.sb-action-btn.scan.active {
    background: rgba(0, 232, 160, 0.15);
    color: var(--accent-green);
    border-color: rgba(0, 232, 160, 0.3);
}

.sb-action-btn.scan.scanning {
    animation: scanPulse 1s ease-in-out infinite;
}

.sb-action-btn.view-mode.active {
    background: rgba(0, 200, 255, 0.15);
    color: #00c8ff;
    border-color: rgba(0, 200, 255, 0.3);
}

/* File Items */
.file-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    cursor: pointer;
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
    transition: all 0.12s ease;
    user-select: none;
}

.file-item:hover {
    background: rgba(255, 255, 255, 0.04);
}

.file-item:active {
    background: rgba(255, 255, 255, 0.08);
}

.file-item.dragging {
    opacity: 0.5;
    background: rgba(0, 232, 160, 0.08);
}

.file-item-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.file-item-icon svg {
    width: 16px;
    height: 16px;
}

.file-item-icon.folder svg {
    fill: #ffc800;
}

.file-item-icon.audio svg {
    fill: var(--accent);
}

.file-item-name {
    flex: 1;
    font-size: 11px;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 400;
}

.file-item.folder .file-item-name {
    font-weight: 500;
    color: #ffc800;
}

.file-item-ext {
    font-size: 9px;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-muted);
    text-transform: uppercase;
    flex-shrink: 0;
}

.file-item-actions {
    display: flex;
    align-items: center;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.15s ease;
}

.file-item:hover .file-item-actions {
    opacity: 1;
}

.file-action-btn {
    width: 22px;
    height: 22px;
    border: none;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    transition: all 0.12s ease;
}

.file-action-btn:hover {
    background: var(--accent);
    color: var(--bg-primary);
}

.file-action-btn.preview:hover {
    background: #ffc800;
}

/* Status Bar */
.browser-status-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 12px;
    font-size: 9px;
    color: var(--text-muted);
    background: rgba(0, 0, 0, 0.2);
    border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.master-volume {
    display: flex;
    align-items: center;
    gap: 6px;
}

.master-volume label {
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.sample-slider.master {
    width: 60px;
}

/* Drag over state for track items */
.track-item.drag-over {
    border: 1px dashed var(--accent) !important;
    background: rgba(0, 232, 160, 0.1) !important;
}

/* Track item sample indicator */
.track-sample-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    flex-shrink: 0;
    opacity: 0.7;
    box-shadow: 0 0 4px var(--accent);
}

/* Sample loaded indicator on side buttons */
.side-btn.has-sample::after {
    content: '';
    position: absolute;
    bottom: 3px;
    right: 3px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 4px var(--accent);
}

/* ============================================
   HARMONY MODE
   ============================================ */

.harmony-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 16px;
    background: rgba(20, 20, 35, 0.8);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    margin-top: 6px;
    flex-wrap: wrap;
    justify-content: center;
}

.harmony-controls.hidden {
    display: none;
}

.harmony-key-display,
.harmony-scale-display,
.harmony-voice-display,
.harmony-length-display {
    display: flex;
    align-items: center;
    gap: 6px;
}

.harmony-key-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--harmony-tonic);
    min-width: 80px;
    text-align: center;
}

.harmony-ctrl-btn {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    width: 26px;
    height: 26px;
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

.harmony-ctrl-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--text-primary);
}

.harmony-scale-btn {
    width: auto;
    padding: 0 10px;
    font-family: 'Inter', sans-serif;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.harmony-info-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.harmony-info-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    min-width: 20px;
    text-align: center;
}

.harmony-step-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 60px;
    padding-left: 8px;
    border-left: 1px solid var(--border-subtle);
}

.harmony-step-roman {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.harmony-step-notes {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6rem;
    color: var(--text-muted);
}

/* Harmony Grid Pads */
.pad.harmony-step {
    position: relative;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.55rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
}

.pad.harmony-tonic {
    background: rgba(0, 232, 160, 0.2) !important;
    border-color: rgba(0, 232, 160, 0.4) !important;
}

.pad.harmony-tonic.step-active {
    background: rgba(0, 232, 160, 0.5) !important;
    box-shadow: 0 0 12px rgba(0, 232, 160, 0.3), inset 0 0 8px rgba(0, 232, 160, 0.15) !important;
}

.pad.harmony-predominant {
    background: rgba(232, 184, 0, 0.2) !important;
    border-color: rgba(232, 184, 0, 0.4) !important;
}

.pad.harmony-predominant.step-active {
    background: rgba(232, 184, 0, 0.5) !important;
    box-shadow: 0 0 12px rgba(232, 184, 0, 0.3), inset 0 0 8px rgba(232, 184, 0, 0.15) !important;
}

.pad.harmony-dominant {
    background: rgba(232, 80, 80, 0.2) !important;
    border-color: rgba(232, 80, 80, 0.4) !important;
}

.pad.harmony-dominant.step-active {
    background: rgba(232, 80, 80, 0.5) !important;
    box-shadow: 0 0 12px rgba(232, 80, 80, 0.3), inset 0 0 8px rgba(232, 80, 80, 0.15) !important;
}

.pad.harmony-secondary {
    background: rgba(176, 96, 232, 0.2) !important;
    border-color: rgba(176, 96, 232, 0.4) !important;
}

.pad.harmony-secondary.step-active {
    background: rgba(176, 96, 232, 0.5) !important;
    box-shadow: 0 0 12px rgba(176, 96, 232, 0.3), inset 0 0 8px rgba(176, 96, 232, 0.15) !important;
}

.pad.harmony-cursor {
    outline: 2px solid rgba(255, 255, 255, 0.8) !important;
    outline-offset: -2px;
}

.pad.harmony-selected {
    outline: 2px solid var(--accent) !important;
    outline-offset: -2px;
}

/* Harmony inner grid: function selector */
.pad.harmony-func {
    font-size: 0.6rem;
    font-weight: 700;
    font-family: 'Inter', sans-serif;
    letter-spacing: 0.3px;
}

.pad.harmony-func.func-tonic {
    background: rgba(0, 232, 160, 0.15) !important;
    border-color: rgba(0, 232, 160, 0.3) !important;
    color: var(--harmony-tonic);
}

.pad.harmony-func.func-tonic.active {
    background: rgba(0, 232, 160, 0.45) !important;
    box-shadow: 0 0 10px rgba(0, 232, 160, 0.3) !important;
}

.pad.harmony-func.func-predominant {
    background: rgba(232, 184, 0, 0.15) !important;
    border-color: rgba(232, 184, 0, 0.3) !important;
    color: var(--harmony-predominant);
}

.pad.harmony-func.func-predominant.active {
    background: rgba(232, 184, 0, 0.45) !important;
    box-shadow: 0 0 10px rgba(232, 184, 0, 0.3) !important;
}

.pad.harmony-func.func-dominant {
    background: rgba(232, 80, 80, 0.15) !important;
    border-color: rgba(232, 80, 80, 0.3) !important;
    color: var(--harmony-dominant);
}

.pad.harmony-func.func-dominant.active {
    background: rgba(232, 80, 80, 0.45) !important;
    box-shadow: 0 0 10px rgba(232, 80, 80, 0.3) !important;
}

.pad.harmony-func.func-secondary {
    background: rgba(176, 96, 232, 0.15) !important;
    border-color: rgba(176, 96, 232, 0.3) !important;
    color: var(--harmony-secondary);
}

.pad.harmony-func.func-secondary.active {
    background: rgba(176, 96, 232, 0.45) !important;
    box-shadow: 0 0 10px rgba(176, 96, 232, 0.3) !important;
}

.pad.harmony-degree {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    transition: all 0.15s ease;
}

/* Degree pads inherit function colors */
.pad.harmony-degree.func-tonic {
    background: rgba(0, 232, 160, 0.12) !important;
    border-color: rgba(0, 232, 160, 0.25) !important;
    color: var(--harmony-tonic);
}

.pad.harmony-degree.func-tonic.active {
    background: rgba(0, 232, 160, 0.5) !important;
    border-color: rgba(0, 232, 160, 0.6) !important;
    box-shadow: 0 0 12px rgba(0, 232, 160, 0.35), inset 0 0 6px rgba(0, 232, 160, 0.15) !important;
    color: #fff;
}

.pad.harmony-degree.func-predominant {
    background: rgba(232, 184, 0, 0.12) !important;
    border-color: rgba(232, 184, 0, 0.25) !important;
    color: var(--harmony-predominant);
}

.pad.harmony-degree.func-predominant.active {
    background: rgba(232, 184, 0, 0.5) !important;
    border-color: rgba(232, 184, 0, 0.6) !important;
    box-shadow: 0 0 12px rgba(232, 184, 0, 0.35), inset 0 0 6px rgba(232, 184, 0, 0.15) !important;
    color: #fff;
}

.pad.harmony-degree.func-dominant {
    background: rgba(232, 80, 80, 0.12) !important;
    border-color: rgba(232, 80, 80, 0.25) !important;
    color: var(--harmony-dominant);
}

.pad.harmony-degree.func-dominant.active {
    background: rgba(232, 80, 80, 0.5) !important;
    border-color: rgba(232, 80, 80, 0.6) !important;
    box-shadow: 0 0 12px rgba(232, 80, 80, 0.35), inset 0 0 6px rgba(232, 80, 80, 0.15) !important;
    color: #fff;
}

.pad.harmony-degree.func-secondary {
    background: rgba(176, 96, 232, 0.12) !important;
    border-color: rgba(176, 96, 232, 0.25) !important;
    color: var(--harmony-secondary);
}

.pad.harmony-degree.func-secondary.active {
    background: rgba(176, 96, 232, 0.5) !important;
    border-color: rgba(176, 96, 232, 0.6) !important;
    box-shadow: 0 0 12px rgba(176, 96, 232, 0.35), inset 0 0 6px rgba(176, 96, 232, 0.15) !important;
    color: #fff;
}

.pad.harmony-ext {
    font-size: 0.5rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.pad.harmony-ext.active {
    background: rgba(0, 232, 160, 0.35) !important;
    color: var(--text-primary);
}

.pad.harmony-ctrl {
    font-size: 0.6rem;
    font-weight: 500;
    font-family: 'Inter', sans-serif;
    color: var(--text-secondary);
    background: rgba(30, 30, 50, 0.6) !important;
    border-color: rgba(255, 255, 255, 0.08) !important;
}

.pad.harmony-ctrl:hover {
    background: rgba(50, 50, 80, 0.6) !important;
    color: var(--text-primary);
}

/* ============================================
   CHORD FIELD HUMANIZATION CONTROLS
   ============================================ */

.cf-humanize-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 2px 0;
}

.cf-toggle {
    width: auto !important;
    padding: 0 10px;
    height: 24px;
    font-size: 0.7rem;
    font-family: 'Inter', sans-serif;
    letter-spacing: 0.3px;
    border-radius: 12px;
    white-space: nowrap;
    gap: 4px;
}

.cf-toggle.active {
    background: rgba(0, 232, 160, 0.2);
    border-color: rgba(0, 232, 160, 0.4);
    color: #00e8a0;
    box-shadow: 0 0 8px rgba(0, 232, 160, 0.15);
}