/* Sound Explorer - Mobile-First Styles */

/* ============================================
   DUAL-THEME SYSTEM
   Universal variables + theme-specific scopes
   ============================================ */

/* Universal Variables (shared across all themes) */
:root {
    /* Spacing - Universal 8px grid */
    --space-1: 8px;
    --space-2: 16px;
    --space-3: 24px;
    --space-4: 32px;
    --space-6: 48px;

    /* Touch Targets - Universal */
    --touch-min: 36px;
    --touch-comfortable: 44px;

    /* Z-index layers - Universal */
    --z-base: 1;
    --z-header: 10;
    --z-overlay: 100;
    --z-modal: 1000;

    /* Typography sizes - Universal */
    --font-size-xs: 11px;
    --font-size-sm: 12px;
    --font-size-base: 14px;
    --font-size-md: 16px;
    --font-size-lg: 18px;
}

/* ============================================
   THEME: WABISABI (Light, Organic, Nature-inspired)
   ============================================ */
body.theme-wabisabi {
    /* Backgrounds */
    --bg-canvas: #FAFAF8;
    --bg-card: #FFFFFF;
    --bg-card-alt: #F5F7F3;
    --bg-paper: #FFFEF9;
    --bg-wash: #F8F6F1;
    --bg-primary: #FAFAF8;
    --bg-secondary: #FFFFFF;

    /* Text Colors */
    --text-primary: #3A3633;
    --text-secondary: #6B655E;
    --text-tertiary: #A39B93;
    --text-emphasis: #2D2926;
    --text-muted: #B5AFA8;
    --text-link: #7B749B;

    /* Nature Palette - Extended */
    --nature-moss: #7A8B73;
    --nature-sage: #A4B494;
    --nature-mint: #C5D5BB;
    --nature-leaf: #8FA68E;
    --nature-fern: #5F7056;
    --nature-bark: #8B7355;
    --nature-stone: #A8A095;
    --nature-wildflower: #E8B4B8;
    --nature-honey: #F5D49E;
    --nature-sky: #B8D4E3;
    --nature-lavender: #C8B8DB;
    --nature-terracotta: #D4A574;
    --nature-creek: #94B9C5;
    --nature-berry: #C17B8D;
    --nature-clay: #C19A7B;
    --nature-lichen: #D0D4B7;

    /* Pillar Colors */
    --pillar-rich: #8FA68E;
    --pillar-rich-light: #D4E4D1;
    --pillar-rich-accent: #5F7056;
    --pillar-artist: #A8A3C1;
    --pillar-artist-light: #E3E1ED;
    --pillar-sexy: #DCA3A3;
    --pillar-sexy-light: #F5E1E1;

    /* Semantic Colors */
    --accent-primary: #8FA68E;
    --accent-secondary: #A4B494;
    --accent-tertiary: #C8B8DB;
    --accent-success: #96AA8D;
    --accent-warning: #E6C89C;
    --accent-error: #D4878C;
    --accent-info: #9EB3C7;

    /* UI Elements */
    --border-color: rgba(163, 155, 147, 0.2);
    --border-hover: rgba(163, 155, 147, 0.35);
    --border-focus: rgba(143, 166, 142, 0.5);
    --shadow-color: rgba(58, 54, 51, 0.08);
    --ui-disabled: #E8E4E0;
    --ui-divider: rgba(163, 155, 147, 0.15);
    --ui-selection: rgba(143, 166, 142, 0.2);

    /* Shadows - Organic */
    --shadow-subtle: 0 2px 8px rgba(58, 54, 51, 0.04);
    --shadow-soft: 0 4px 16px rgba(58, 54, 51, 0.06);
    --shadow-medium: 0 8px 24px rgba(58, 54, 51, 0.08);
    --shadow-glow: 0 0 32px rgba(143, 166, 142, 0.15);

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    --font-secondary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    --letter-spacing-wide: 0.02em;

    /* Border Radius - Organic */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;

    /* Transitions - Bouncy/Organic */
    --speed-fast: 0.2s;
    --speed-med: 0.3s;
    --speed-slow: 0.4s;
    --ease-primary: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-secondary: cubic-bezier(0.4, 0, 0.2, 1);
    --transition-quick: 200ms cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 400ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Legacy spacing aliases for Wabisabi compatibility */
    --spacing-xs: var(--space-1);
    --spacing-sm: 6px;
    --spacing-md: var(--space-2);
    --spacing-lg: var(--space-2);
    --spacing-xl: var(--space-3);
}

/* ============================================
   THEME: TECHNO-OCCULT (Dark, Neon, Mystical)
   ============================================ */
body.theme-techno-occult {
    /* Backgrounds - Void Supremacy */
    --bg-canvas: #0a0a0f;
    --bg-card: rgba(139, 92, 246, 0.05);
    --bg-card-alt: rgba(139, 92, 246, 0.08);
    --bg-paper: #0a0a0f;
    --bg-wash: rgba(10, 10, 15, 0.8);
    --bg-primary: #0a0a0f;
    --bg-secondary: rgba(139, 92, 246, 0.05);

    /* Text Colors - Ghost White */
    --text-primary: #e2e8f0;
    --text-secondary: rgba(226, 232, 240, 0.7);
    --text-tertiary: rgba(226, 232, 240, 0.5);
    --text-emphasis: #ffffff;
    --text-muted: rgba(226, 232, 240, 0.4);
    --text-link: #a78bfa;

    /* Neon Accent Colors */
    --accent-primary: #8b5cf6;
    --accent-secondary: #22d3ee;
    --accent-tertiary: #ec4899;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-error: #ef4444;
    --accent-info: #06b6d4;

    /* Neon color variants */
    --violet: #8b5cf6;
    --violet-bright: #a78bfa;
    --cyan: #22d3ee;
    --cyan-bright: #67e8f9;
    --magenta: #ec4899;
    --magenta-bright: #f472b6;
    --green: #10b981;
    --amber: #f59e0b;
    --ghost: #e2e8f0;
    --void: #0a0a0f;

    /* UI Elements - Neon borders */
    --border-color: rgba(139, 92, 246, 0.2);
    --border-hover: rgba(139, 92, 246, 0.4);
    --border-focus: rgba(139, 92, 246, 0.6);
    --shadow-color: rgba(0, 0, 0, 0.5);
    --ui-disabled: rgba(139, 92, 246, 0.1);
    --ui-divider: rgba(139, 92, 246, 0.15);
    --ui-selection: rgba(139, 92, 246, 0.3);

    /* Shadows - Glows */
    --shadow-subtle: 0 0 4px rgba(139, 92, 246, 0.2);
    --shadow-soft: 0 0 8px rgba(139, 92, 246, 0.3);
    --shadow-medium: 0 0 12px rgba(139, 92, 246, 0.4);
    --shadow-glow: 0 0 20px rgba(139, 92, 246, 0.5);

    /* Glow system */
    --glow-sm: 0 0 4px;
    --glow-md: 0 0 8px;
    --glow-lg: 0 0 16px;

    /* Typography - Monospace/Geometric */
    --font-primary: 'JetBrains Mono', 'Courier New', monospace;
    --font-secondary: 'Exo 2', 'Helvetica', sans-serif;
    --letter-spacing-wide: 0.08em;

    /* Border Radius - Geometric */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;

    /* Transitions - Ceremonial */
    --speed-fast: 0.15s;
    --speed-med: 0.4s;
    --speed-slow: 0.6s;
    --ease-primary: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-secondary: cubic-bezier(0.4, 0, 0.2, 1);
    --transition-quick: 150ms cubic-bezier(0.16, 1, 0.3, 1);
    --transition-normal: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 600ms cubic-bezier(0.16, 1, 0.3, 1);

    /* Legacy spacing aliases */
    --spacing-xs: var(--space-1);
    --spacing-sm: 6px;
    --spacing-md: var(--space-2);
    --spacing-lg: var(--space-2);
    --spacing-xl: var(--space-3);

    /* Pillar colors remapped to neon palette */
    --pillar-rich: var(--violet);
    --pillar-rich-light: rgba(139, 92, 246, 0.2);
    --pillar-rich-accent: var(--violet-bright);
    --pillar-artist: var(--magenta);
    --pillar-artist-light: rgba(236, 72, 153, 0.2);
    --pillar-sexy: var(--cyan);
    --pillar-sexy-light: rgba(34, 211, 238, 0.2);

    /* Nature palette remapped to neon equivalents */
    --nature-moss: var(--violet);
    --nature-sage: var(--violet-bright);
    --nature-mint: var(--cyan);
    --nature-leaf: var(--green);
    --nature-fern: var(--violet);
    --nature-bark: var(--amber);
    --nature-stone: var(--text-tertiary);
    --nature-wildflower: var(--magenta);
    --nature-honey: var(--amber);
    --nature-sky: var(--cyan-bright);
    --nature-lavender: var(--violet-bright);
    --nature-terracotta: var(--amber);
    --nature-creek: var(--cyan);
    --nature-berry: var(--magenta-bright);
    --nature-clay: var(--amber);
    --nature-lichen: var(--green);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

/* GPU Acceleration for frequently animated elements */
.grid-pad,
.visual-canvas,
.nav-button,
.category-button,
.canvas-container,
.drag-trail,
.mode-button-compact {
    will-change: transform;
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

/* CSS Containment for performance isolation */
.grid-pad {
    contain: layout style paint;
}

.canvas-container {
    contain: layout size style paint;
}

.category-button {
    contain: layout style;
}

.view-content {
    contain: layout style;
}

html,
body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.5;
    letter-spacing: var(--letter-spacing-wide);
    color: var(--text-primary);
    background-color: var(--bg-canvas);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    touch-action: pan-x pan-y;
}

/* Support for iPhone notch */
body {
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

.app {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

/* Compressed Header */
.header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    z-index: var(--z-header);
    box-shadow: var(--shadow-subtle);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    min-height: 30px;
}

.header-branding {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
    min-width: 0;
}

.app-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.connection-status {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    padding: 2px 8px;
    border-radius: 20px;
    background-color: var(--bg-card-alt);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.connection-status::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: currentColor;
    animation: pulse 2s ease-in-out infinite;
}

.connection-status.connected {
    color: var(--accent-success);
    background-color: rgba(150, 170, 141, 0.12);
}

.connection-status.connecting {
    color: var(--accent-warning);
    background-color: rgba(230, 200, 156, 0.15);
}

.connection-status.disconnected {
    color: var(--accent-error);
    background-color: rgba(212, 135, 140, 0.12);
}

.connection-status.disconnected::before {
    animation: none;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.icon-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    background: var(--bg-card-alt);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.icon-button:hover {
    background: var(--pillar-rich-light);
    border-color: var(--border-hover);
}

.icon-button:active {
    background: var(--pillar-rich);
    border-color: var(--accent-primary);
    color: var(--bg-card);
    transform: scale(0.95);
}

/* Current Sound Display - Compact Version */
.current-sound {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card-alt);
    gap: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    min-height: 30px;
}

.sound-info {
    flex: 1;
    overflow: hidden;
    min-width: 0;
}

.sound-nav {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.nav-button {
    min-width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1px;
    cursor: pointer;
    transition: all var(--transition-normal);
    padding: 4px 6px;
}

.nav-label {
    font-size: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    line-height: 1;
    white-space: nowrap;
}

.nav-button:hover {
    background: var(--pillar-rich-light);
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.nav-button:active {
    background: var(--pillar-rich);
    border-color: var(--accent-primary);
    color: var(--bg-card);
    transform: scale(0.93);
}

.nav-button svg {
    flex-shrink: 0;
}

.sound-name {
    font-size: var(--font-size-base);
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-primary);
}

.sound-meta {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    display: none; /* Hide in compressed header */
    align-items: center;
    gap: var(--spacing-xs);
}

.category-name {
    font-size: var(--font-size-xs);
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.separator {
    color: var(--border-color);
    opacity: 0.5;
}

.status-active {
    color: var(--accent-success);
    font-weight: 600;
}

.status-inactive {
    color: var(--text-tertiary);
    opacity: 0.6;
}

.toggle-button {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent-primary);
    border: 1px solid var(--pillar-rich-accent);
    color: var(--bg-card);
    box-shadow: var(--shadow-subtle);
    cursor: pointer;
    transition: all var(--transition-normal);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    position: relative;
}

.toggle-icon {
    transition: opacity var(--transition-normal), transform var(--transition-normal);
    position: absolute;
    width: 18px;
    height: 18px;
}

.toggle-button:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-soft);
}

.toggle-button:active {
    transform: scale(0.94);
    box-shadow: var(--shadow-subtle);
}

.toggle-button.inactive {
    background: var(--bg-card-alt);
    border-color: var(--border-color);
    color: var(--text-secondary);
    box-shadow: var(--shadow-subtle);
}

.toggle-button.inactive .play-icon {
    display: block;
    opacity: 1;
}

.toggle-button.inactive .pause-icon {
    display: none;
    opacity: 0;
}

.toggle-button:not(.inactive) .play-icon {
    display: none;
    opacity: 0;
}

.toggle-button:not(.inactive) .pause-icon {
    display: block;
    opacity: 1;
}

/* Category Buttons Container - Only for Grid View */
.category-buttons-container {
    background: var(--bg-card-alt);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md);
    display: none; /* Hidden by default */
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* Show category buttons when show class is added */
.category-buttons-container.show {
    display: flex;
}

.category-row {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: var(--spacing-sm);
}

.category-button {
    min-height: 40px;
    padding: var(--spacing-sm);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.category-button:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-soft);
}

.category-button:active {
    transform: scale(0.96);
}

.category-button.active {
    color: var(--bg-card);
    font-weight: 600;
    border-width: 2px;
    box-shadow: var(--shadow-soft);
}

/* Color assignments for categories (16 total) */
.category-button[data-category="0"].active { background: var(--nature-moss); border-color: var(--nature-fern); }
.category-button[data-category="1"].active { background: var(--nature-sage); border-color: var(--nature-leaf); }
.category-button[data-category="2"].active { background: var(--nature-mint); border-color: var(--nature-sage); }
.category-button[data-category="3"].active { background: var(--nature-leaf); border-color: var(--nature-fern); }
.category-button[data-category="4"].active { background: var(--nature-wildflower); border-color: var(--nature-berry); }
.category-button[data-category="5"].active { background: var(--nature-honey); border-color: var(--nature-terracotta); }
.category-button[data-category="6"].active { background: var(--nature-sky); border-color: var(--nature-creek); }
.category-button[data-category="7"].active { background: var(--nature-lavender); border-color: var(--pillar-artist); }
.category-button[data-category="8"].active { background: var(--nature-terracotta); border-color: var(--nature-clay); }
.category-button[data-category="9"].active { background: var(--nature-creek); border-color: var(--nature-sky); }
.category-button[data-category="10"].active { background: var(--nature-berry); border-color: var(--nature-wildflower); }
.category-button[data-category="11"].active { background: var(--nature-clay); border-color: var(--nature-terracotta); }
.category-button[data-category="12"].active { background: var(--nature-fern); border-color: var(--nature-moss); }
.category-button[data-category="13"].active { background: var(--nature-bark); border-color: var(--nature-clay); }
.category-button[data-category="14"].active { background: var(--nature-stone); border-color: var(--nature-bark); }
.category-button[data-category="15"].active { background: var(--nature-lichen); border-color: var(--nature-mint); }

/* Inactive category buttons with colored borders */
.category-button[data-category="0"] { border-color: var(--nature-moss); color: var(--nature-moss); }
.category-button[data-category="1"] { border-color: var(--nature-sage); color: var(--nature-sage); }
.category-button[data-category="2"] { border-color: var(--nature-mint); color: var(--nature-leaf); }
.category-button[data-category="3"] { border-color: var(--nature-leaf); color: var(--nature-leaf); }
.category-button[data-category="4"] { border-color: var(--nature-wildflower); color: var(--nature-wildflower); }
.category-button[data-category="5"] { border-color: var(--nature-honey); color: var(--nature-terracotta); }
.category-button[data-category="6"] { border-color: var(--nature-sky); color: var(--nature-creek); }
.category-button[data-category="7"] { border-color: var(--nature-lavender); color: var(--nature-lavender); }
.category-button[data-category="8"] { border-color: var(--nature-terracotta); color: var(--nature-terracotta); }
.category-button[data-category="9"] { border-color: var(--nature-creek); color: var(--nature-creek); }
.category-button[data-category="10"] { border-color: var(--nature-berry); color: var(--nature-berry); }
.category-button[data-category="11"] { border-color: var(--nature-clay); color: var(--nature-clay); }
.category-button[data-category="12"] { border-color: var(--nature-fern); color: var(--nature-fern); }
.category-button[data-category="13"] { border-color: var(--nature-bark); color: var(--nature-bark); }
.category-button[data-category="14"] { border-color: var(--nature-stone); color: var(--nature-stone); }
.category-button[data-category="15"] { border-color: var(--nature-lichen); color: var(--nature-lichen); }

/* Sub-bank indicator */
.category-button .sub-bank-indicator {
    font-size: 10px;
    opacity: 0.7;
    margin-left: 2px;
}

/* Navigation Tabs */
.tabs {
    display: flex;
    background-color: var(--bg-card-alt);
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.tab {
    flex: 1;
    min-width: 80px;
    height: 44px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
}

.tab:hover {
    color: var(--text-primary);
    background: var(--bg-card);
}

.tab.active {
    color: var(--accent-primary);
    font-weight: 600;
}

.tab.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--accent-primary);
}

/* Main Content */
.content {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.view {
    display: none;
    flex-direction: column;
    width: 100%;
    height: 100%;
    overflow: auto;
    -webkit-overflow-scrolling: touch;
}

.view.active {
    display: flex;
}

/* View Controls - Hidden for Grid View (categories replace bank controls) */
.view-controls {
    display: none;
}

.control-button {
    display: none;
}

.bank-info {
    display: none;
}

/* Category Info Footer */
.category-info-footer {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card-alt);
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Grid View - 6x8 Layout (48 pads) */
.grid-container {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    grid-template-rows: repeat(6, 1fr);
    gap: 8px;
    padding: var(--spacing-lg);
    background-color: var(--bg-canvas);
    overflow-y: auto;
}

.grid-pad {
    min-height: 60px;
    background-color: var(--bg-card);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    /* Optimize: Only transition specific properties instead of 'all' */
    transition: transform var(--transition-normal),
                background-color var(--transition-normal),
                border-color var(--transition-normal),
                box-shadow var(--transition-normal);
    user-select: none;
    position: relative;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 8px 6px;
    /* Remove default shadow for better performance */
    box-shadow: none;
    line-height: 1.3;
    white-space: normal;
    word-wrap: break-word;
    hyphens: auto;
}

.grid-pad:hover {
    transform: translateY(-1px);
    /* Only show shadow on hover */
    box-shadow: var(--shadow-soft);
    border-color: var(--border-hover);
}

.grid-pad:active,
.grid-pad.pressed {
    transform: scale(0.94);
    background-color: var(--pillar-rich-light);
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.grid-pad.active {
    background-color: var(--accent-primary);
    color: var(--bg-card);
    border-color: var(--pillar-rich-accent);
    box-shadow: var(--shadow-soft);
    font-weight: 600;
}

.grid-pad.active:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.grid-pad.active:active,
.grid-pad.active.pressed {
    transform: scale(0.94);
    box-shadow: var(--shadow-soft);
}

.grid-pad.empty {
    opacity: 0.25;
    cursor: default;
    background: transparent;
    border-style: dashed;
    border-color: var(--ui-divider);
}

.grid-pad.empty:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--ui-divider);
}

/* Visual View - Old styles removed, now using sidebar */

.canvas-container {
    flex: 1;
    position: relative;
    background-color: var(--bg-primary);
    overflow: hidden;
    touch-action: none;
}

.visual-canvas {
    width: 100%;
    height: 100%;
    touch-action: none;
}

/* Canvas Sidebar Overlay */
.canvas-sidebar {
    position: absolute;
    top: 0;
    right: 0;
    width: 280px;
    height: 100%;
    background: rgba(250, 250, 248, 0.98);
    backdrop-filter: blur(10px);
    border-left: 1.5px solid var(--border-color);
    box-shadow: var(--shadow-medium);
    transition: transform var(--transition-smooth);
    z-index: 10;
    overflow-y: auto;
    overflow-x: visible; /* Allow toggle button to extend outside sidebar */
}

.canvas-sidebar.collapsed {
    transform: translateX(100%);
}

.sidebar-toggle {
    position: absolute;
    right: 232px; /* 280px sidebar width - 48px button width */
    top: 16px; /* Position at top instead of middle */
    width: 48px;
    height: 48px; /* Smaller, more compact */
    background: var(--accent-primary);
    border: 2px solid var(--pillar-rich-accent);
    border-right: none;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    color: var(--bg-card);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-smooth); /* Match sidebar transition */
    box-shadow: var(--shadow-medium);
    z-index: 20;
}

.sidebar-toggle:hover {
    background: var(--pillar-rich-accent);
    border-color: var(--pillar-rich);
    transform: translateX(-2px); /* Slight pull-out effect */
    box-shadow: var(--shadow-soft);
}

.sidebar-toggle:active {
    transform: scale(0.94);
    background: var(--pillar-rich);
    color: var(--bg-card);
}

/* When sidebar is collapsed, move button to right edge and flip icon */
.canvas-sidebar.collapsed ~ .sidebar-toggle {
    right: 8px; /* Show at right edge when collapsed */
    border-right: 2px solid var(--pillar-rich-accent); /* Add right border */
    border-left: none; /* Remove left border */
    border-radius: 0 var(--radius-md) var(--radius-md) 0; /* Flip radius */
}

.canvas-sidebar.collapsed ~ .sidebar-toggle svg {
    transform: scaleX(-1); /* Flip icon horizontally */
}

.sidebar-content {
    padding: var(--spacing-lg);
    padding-top: var(--spacing-xl);
}

.sidebar-section {
    margin-bottom: var(--spacing-xl);
}

.sidebar-title {
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

/* Category Legend */
.category-legend {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 250px;
    overflow-y: auto;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    color: var(--text-primary);
    padding: 4px 6px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.legend-item:hover {
    background-color: var(--bg-secondary);
}

.legend-color {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    flex-shrink: 0;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.legend-label {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}

/* Compact Zoom Control */
.zoom-control-compact {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.zoom-button-small {
    width: 36px;
    height: 36px;
    background-color: var(--bg-card-alt);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.zoom-button-small:hover {
    background-color: var(--pillar-rich-light);
    border-color: var(--border-hover);
    color: var(--accent-primary);
}

.zoom-button-small:active {
    transform: scale(0.92);
    background-color: var(--pillar-rich);
    color: var(--bg-card);
}

.zoom-control-compact #zoomSlider {
    flex: 1;
    min-width: 0;
}

/* Compact Mode Buttons */
.mode-button-compact {
    width: 100%;
    min-height: 44px;
    background-color: var(--bg-card-alt);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
}

.mode-button-compact svg {
    flex-shrink: 0;
}

.mode-button-compact span {
    flex: 1;
    text-align: left;
}

.mode-button-compact:hover {
    background-color: var(--pillar-rich-light);
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.mode-button-compact.active {
    background-color: var(--accent-primary);
    color: var(--bg-card);
    border-color: var(--pillar-rich-accent);
    font-weight: 600;
}

.mode-button-compact:active {
    transform: scale(0.97);
}

/* Drag Mode Toggle - Vertical */
.drag-mode-toggle {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* Mode Selector - Vertical */
.mode-selector-vertical {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* Sidebar Action Buttons */
.sidebar-action-button {
    width: 100%;
    min-height: 48px;
    background-color: var(--accent-primary);
    border: 1px solid var(--pillar-rich-accent);
    border-radius: var(--radius-md);
    color: var(--bg-card);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-subtle);
}

.sidebar-action-button:hover {
    background-color: var(--pillar-rich-accent);
    transform: translateY(-1px);
    box-shadow: var(--shadow-soft);
}

.sidebar-action-button:active {
    transform: scale(0.97);
    box-shadow: var(--shadow-subtle);
}

.sidebar-action-button svg {
    flex-shrink: 0;
}

.canvas-hint {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: rgba(0, 0, 0, 0.7);
    border-radius: 16px;
    font-size: 12px;
    color: var(--text-secondary);
    pointer-events: none;
    opacity: 0.8;
}

/* Favorites View */
.favorites-section,
.recent-section {
    padding: var(--spacing-lg);
}

.section-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.favorites-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.favorite-slot {
    min-height: 80px;
    padding: var(--spacing-md);
    background-color: var(--bg-secondary);
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.favorite-slot:active {
    transform: scale(0.98);
}

.favorite-slot.filled {
    border-style: solid;
    border-color: var(--accent-primary);
    background-color: var(--bg-tertiary);
}

.favorite-number {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-xs);
}

.favorite-name {
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    width: 100%;
}

.recent-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.recent-item {
    min-height: var(--touch-comfortable);
    padding: var(--spacing-md);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.recent-item:active {
    background-color: var(--accent-secondary);
}

.recent-info {
    flex: 1;
    overflow: hidden;
}

.recent-name {
    font-size: 16px;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.recent-category {
    font-size: 12px;
    color: var(--text-tertiary);
}

.recent-time {
    font-size: 12px;
    color: var(--text-tertiary);
    flex-shrink: 0;
    margin-left: var(--spacing-md);
}

/* Numpad View */
#numpadView {
    padding: var(--spacing-lg);
}

.numpad-display {
    height: 80px;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 600;
    font-family: 'Courier New', monospace;
    color: var(--accent-success);
    letter-spacing: 2px;
}

.numpad-mode {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.numpad-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.numpad-button {
    aspect-ratio: 1;
    min-height: 80px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 28px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
}

.numpad-button:active {
    transform: scale(0.95);
    background-color: var(--accent-secondary);
}

.numpad-button.clear {
    background-color: var(--accent-danger);
    color: white;
}

.numpad-actions {
    margin-bottom: var(--spacing-lg);
}

.numpad-help {
    padding: var(--spacing-md);
    background-color: var(--bg-secondary);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.numpad-help p {
    margin-bottom: var(--spacing-sm);
}

.numpad-help p:last-child {
    margin-bottom: 0;
}

/* Action Buttons - Grid view only now */
.view-actions {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.action-button {
    flex: 1;
    min-height: var(--touch-comfortable);
    padding: 0 var(--spacing-lg);
    background-color: var(--accent-primary);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.action-button:active {
    transform: scale(0.98);
    box-shadow: none;
}

.action-button.secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Overlays */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: var(--z-overlay);
    padding: var(--spacing-lg);
}

.overlay.active {
    display: flex;
}

.overlay-content {
    width: 100%;
    max-width: 500px;
    max-height: 80vh;
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-medium);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.overlay-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.overlay-header h2 {
    font-size: 20px;
    font-weight: 600;
}

.overlay-header .icon-button {
    font-size: 32px;
}

/* Search Overlay */
.search-input {
    width: 100%;
    height: 60px;
    padding: 0 var(--spacing-lg);
    margin: var(--spacing-lg);
    margin-top: 0;
    background-color: var(--bg-card-alt);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    outline: none;
    transition: border-color var(--transition-normal);
}

.search-input:focus {
    border-color: var(--border-focus);
    background-color: var(--bg-card);
}

.search-results {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.search-hint {
    padding: var(--spacing-xl);
    text-align: center;
    color: var(--text-tertiary);
    font-size: 14px;
}

.search-result {
    min-height: var(--touch-comfortable);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.search-result:active {
    background-color: var(--accent-secondary);
}

.search-result-name {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.search-result-meta {
    font-size: 12px;
    color: var(--text-tertiary);
}

/* Settings Overlay */
.settings-form {
    padding: var(--spacing-lg);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 14px;
}

.form-group input[type="text"],
.form-group input[type="number"] {
    width: 100%;
    height: 48px;
    padding: 0 var(--spacing-md);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 16px;
    outline: none;
    transition: border-color var(--transition-fast);
}

.form-group input:focus {
    border-color: var(--accent-primary);
}

.form-group input[type="checkbox"] {
    width: 24px;
    height: 24px;
    margin-right: var(--spacing-sm);
    vertical-align: middle;
}

.settings-info {
    padding: var(--spacing-lg);
    background-color: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
}

.settings-info h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.settings-info p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

/* Responsive Design */
/* Mobile/Small screens - optimize for readability */
@media (max-width: 480px) {
    .grid-pad {
        font-size: 12px;
        padding: 6px 4px;
        min-height: 54px;
        line-height: 1.25;
    }

    .category-button {
        font-size: 11px;
        padding: var(--spacing-xs);
        min-height: 36px;
    }

    .grid-container {
        gap: 6px;
        padding: var(--spacing-sm);
    }
}

/* Tablet and below - adjust toggle button position */
@media (max-width: 768px) {
    .sidebar-toggle {
        right: 236px; /* Adjust for smaller sidebar on mobile if needed */
        width: 40px;
        height: 40px;
        top: 12px;
    }

    .canvas-sidebar.collapsed ~ .sidebar-toggle {
        right: -40px;
    }
}

@media (min-width: 768px) {
    .app-title {
        font-size: var(--font-size-lg);
    }

    .sound-name {
        font-size: var(--font-size-lg);
    }

    .grid-container {
        gap: 10px;
        padding: var(--spacing-xl);
    }

    .grid-pad {
        font-size: 15px;
        min-height: 70px;
        padding: 10px 8px;
    }

    .category-button {
        font-size: 14px;
    }

    .favorites-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 1024px) {
    .overlay-content {
        max-width: 600px;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.view.active {
    animation: fadeIn 0.3s ease;
}

/* Loading State */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    color: var(--text-tertiary);
}

/* Empty State */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    text-align: center;
    color: var(--text-tertiary);
    min-height: 300px;
}

.empty-state svg {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state-content h3 {
    font-size: 1.5em;
    margin-bottom: 1em;
    color: var(--text-primary);
}

.empty-state-content p {
    margin: 0.5em 0;
    font-size: 1em;
    line-height: 1.5;
}

/* ================================
   MIDI Keyboard Styles
   ================================ */

/* MIDI Keyboard Container - Bottom Panel */
#midiKeyboardOverlay {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: transparent;
    pointer-events: none;
    z-index: 100;
    transform: translateY(100%);
    transition: transform 0.3s ease-out;
}

#midiKeyboardOverlay.active {
    transform: translateY(0);
    pointer-events: auto;
}

.midi-keyboard-modal {
    width: 100%;
    max-width: 100%;
    background: var(--surface-primary, #fff);
    border-top: 2px solid var(--border-color, #ccc);
    box-shadow: 0 -4px 12px rgba(0,0,0,0.15);
    overflow: visible;
}

.midi-keyboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 1rem;
    background: var(--surface-secondary, #f5f5f5);
    border-bottom: 1px solid var(--border-color, #ddd);
}

.midi-keyboard-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.midi-keyboard-header .icon-button {
    font-size: 1.2rem;
    padding: 0.2rem 0.4rem;
}

.midi-keyboard-controls {
    display: flex;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    flex-wrap: wrap;
    background: var(--surface-secondary, #f5f5f5);
    border-radius: 0;
    margin-bottom: 0.5rem;
    align-items: center;
    font-size: 0.85rem;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.control-group label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.control-btn {
    background: var(--button-bg, #4a9eff);
    color: white;
    border: none;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: bold;
    transition: background 0.2s;
}

.control-btn:hover {
    background: var(--button-hover, #3a8eef);
}

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

#octaveDisplay {
    min-width: 1.5rem;
    text-align: center;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.85rem;
}

#velocityDisplay {
    min-width: 2rem;
    text-align: center;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.85rem;
}

#velocitySlider {
    width: 80px;
}

#midiChannel,
#midiDeviceSelect {
    padding: 0.2rem 0.4rem;
    border: 1px solid var(--border-color, #ccc);
    border-radius: 4px;
    background: white;
    font-size: 0.75rem;
}

/* Piano Keyboard */
.piano-keyboard {
    position: relative;
    height: 120px;
    background: #2a2a2a;
    border-radius: 0;
    padding: 0.5rem 1rem;
    display: flex;
    gap: 2px;
    overflow: hidden;
}

.piano-key {
    position: relative;
    cursor: pointer;
    user-select: none;
    transition: all 0.05s;
    border-radius: 0 0 4px 4px;
}

.piano-key.white {
    background: linear-gradient(to bottom, #fafafa, #e0e0e0);
    border: 1px solid #999;
    flex: 1;
    z-index: 1;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.piano-key.black {
    background: linear-gradient(to bottom, #2a2a2a, #000);
    border: 1px solid #000;
    width: 24px;
    height: 70px;
    position: absolute;
    z-index: 2;
    margin-left: -12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.4);
}

.piano-key:hover {
    filter: brightness(1.1);
}

.piano-key:active {
    filter: brightness(0.9);
}

.piano-key.active {
    filter: brightness(0.7);
    transform: translateY(2px);
}

.piano-key.white.active {
    background: linear-gradient(to bottom, #c8e6c9, #a5d6a7);
}

.piano-key.black.active {
    background: linear-gradient(to bottom, #4a4a4a, #2a2a2a);
}

.key-label {
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    color: #666;
    pointer-events: none;
    font-weight: 500;
}

.piano-key.black .key-label {
    color: #999;
    bottom: 4px;
    font-size: 9px;
}

.panic-btn {
    background: var(--error-color, #e74c3c);
    color: white;
    border: none;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    font-size: 0.75rem;
    transition: background 0.2s;
}

.panic-btn:hover {
    background: #c0392b;
}

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

.keyboard-map-hint {
    margin-top: 0;
    padding: 0.4rem 1rem;
    background: var(--info-bg, #e3f2fd);
    border-radius: 0;
    font-size: 0.75rem;
    text-align: center;
    color: var(--info-text, #1976d2);
    line-height: 1.3;
}

/* MIDI Activity Indicator */
.midi-active {
    animation: midi-pulse 0.5s ease-out;
}

@keyframes midi-pulse {
    0% {
        background: var(--accent-color, #4a9eff);
        transform: scale(1.05);
    }
    100% {
        background: transparent;
        transform: scale(1);
    }
}

/* Dark mode adjustments */
@media (prefers-color-scheme: dark) {
    .midi-keyboard-modal {
        background: var(--surface-primary, #1a1a1a);
        border-top-color: var(--border-color, #444);
    }

    .midi-keyboard-header {
        background: var(--surface-secondary, #2a2a2a);
        border-bottom-color: var(--border-color, #444);
    }

    .midi-keyboard-controls {
        background: var(--surface-secondary, #2a2a2a);
    }

    #midiChannel,
    #midiDeviceSelect {
        background: var(--surface-primary, #1a1a1a);
        color: var(--text-primary, #e0e0e0);
        border-color: var(--border-color, #444);
    }

    .keyboard-map-hint {
        background: var(--info-bg, #1e3a5f);
        color: var(--info-text, #64b5f6);
    }
}

/* ============================================
   RESPONSIVE BUTTON SPACING
   Fix mobile display issues with better sizing
   ============================================ */

/* Base mobile-first nav button sizing */
.nav-button {
    min-width: var(--touch-comfortable);
    height: var(--touch-comfortable);
    padding: 6px 8px;
    gap: 2px;
}

.nav-label {
    font-size: 7px;
    letter-spacing: 0.03em;
    line-height: 1;
}

/* Tablet: More breathing room */
@media (min-width: 768px) {
    .nav-button {
        min-width: 52px;
        height: 48px;
        padding: 8px 10px;
        gap: 3px;
    }

    .nav-label {
        font-size: 8px;
        letter-spacing: 0.05em;
    }
}

/* Desktop: Full size */
@media (min-width: 1024px) {
    .nav-button {
        min-width: 60px;
        height: 52px;
        padding: 10px 12px;
        gap: 4px;
    }

    .nav-label {
        font-size: 9px;
        letter-spacing: 0.08em;
    }
}

/* Category buttons responsive sizing */
.category-button {
    height: 40px;
    font-size: 9px;
    padding: 0 8px;
}

@media (min-width: 768px) {
    .category-button {
        height: 44px;
        font-size: 10px;
        padding: 0 12px;
    }
}

@media (min-width: 1024px) {
    .category-button {
        height: 48px;
        font-size: 11px;
        padding: 0 16px;
    }
}

/* ============================================
   SELECTIVE ALL CAPS (TECHNO-OCCULT THEME ONLY)
   Apply uppercase transformation only to UI labels
   ============================================ */

/* Apply ALL CAPS to UI elements in techno-occult theme */
body.theme-techno-occult .nav-label,
body.theme-techno-occult .tab,
body.theme-techno-occult .connection-status,
body.theme-techno-occult .overlay-header h2,
body.theme-techno-occult .settings-info h3,
body.theme-techno-occult .action-button {
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* Preserve mixed case for content */
body.theme-techno-occult .grid-pad,
body.theme-techno-occult .app-title,
body.theme-techno-occult .category-button,
body.theme-techno-occult .search-result,
body.theme-techno-occult input,
body.theme-techno-occult .form-group label {
    text-transform: none;
    letter-spacing: 0.02em;
}

/* Exception: Category buttons get uppercase in techno theme */
body.theme-techno-occult .category-button {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 8px;
    white-space: normal;
    word-wrap: break-word;
    line-height: 1.2;
    min-height: 48px;
}

@media (min-width: 768px) {
    body.theme-techno-occult .category-button {
        font-size: 9px;
        min-height: 52px;
    }
}

@media (min-width: 1024px) {
    body.theme-techno-occult .category-button {
        font-size: 9px;
        min-height: 56px;
    }
}

/* ============================================
   GRID PADS - TECHNO-OCCULT TRANSFORMATION
   Neon borders, void backgrounds, ceremonial glows
   ============================================ */

/* Base grid pad state */
body.theme-techno-occult .grid-pad {
    background: rgba(139, 92, 246, 0.05);
    border: 2px solid rgba(139, 92, 246, 0.3);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 12px;
    letter-spacing: 0.05em;
    line-height: 1.3;
    padding: 8px 6px;
    cursor: crosshair;
    transition: all var(--speed-med) var(--ease-primary);
    box-shadow: none;
}

/* Hover state - border brightens, subtle glow appears */
body.theme-techno-occult .grid-pad:hover {
    border-color: rgba(139, 92, 246, 0.6);
    background: rgba(139, 92, 246, 0.1);
    box-shadow: var(--glow-sm) rgba(139, 92, 246, 0.4);
    transform: translateY(-2px);
}

/* Active/Pressed state - snappy feedback */
body.theme-techno-occult .grid-pad:active,
body.theme-techno-occult .grid-pad.pressed {
    transform: scale(0.95);
    border-color: var(--accent-primary);
    background: rgba(139, 92, 246, 0.15);
    box-shadow: var(--glow-sm) rgba(139, 92, 246, 0.6);
}

/* Active state - full neon glow, pulsing animation */
body.theme-techno-occult .grid-pad.active {
    background: var(--accent-primary);
    border-color: var(--accent-secondary);
    color: var(--bg-canvas);
    box-shadow: var(--glow-md) rgba(139, 92, 246, 0.8),
                var(--glow-sm) rgba(34, 211, 238, 0.4);
    animation: glow-pulse 2s ease-in-out infinite;
}

/* Active hover - enhanced glow */
body.theme-techno-occult .grid-pad.active:hover {
    box-shadow: var(--glow-lg) rgba(139, 92, 246, 1),
                var(--glow-md) rgba(34, 211, 238, 0.6);
    transform: translateY(-3px);
}

/* Active pressed - maintain glow, reduce scale */
body.theme-techno-occult .grid-pad.active:active,
body.theme-techno-occult .grid-pad.active.pressed {
    transform: scale(0.96);
    box-shadow: var(--glow-md) rgba(139, 92, 246, 0.9),
                var(--glow-sm) rgba(34, 211, 238, 0.5);
}

/* Empty state - ghostly void outline */
body.theme-techno-occult .grid-pad.empty {
    opacity: 0.2;
    cursor: default;
    background: transparent;
    border-style: dashed;
    border-color: rgba(139, 92, 246, 0.15);
    box-shadow: none;
}

body.theme-techno-occult .grid-pad.empty:hover {
    transform: none;
    box-shadow: none;
    border-color: rgba(139, 92, 246, 0.15);
    background: transparent;
}

/* Glow pulse animation for active pads */
@keyframes glow-pulse {
    0%, 100% {
        box-shadow: var(--glow-md) rgba(139, 92, 246, 0.8),
                    var(--glow-sm) rgba(34, 211, 238, 0.4);
    }
    50% {
        box-shadow: var(--glow-lg) rgba(139, 92, 246, 1),
                    var(--glow-md) rgba(34, 211, 238, 0.6);
    }
}

/* ============================================
   CATEGORY BUTTONS - TECHNO-OCCULT TRANSFORMATION
   Neon borders cycling through violet/cyan/magenta
   ============================================ */

/* Base category button state */
body.theme-techno-occult .category-button {
    background: rgba(139, 92, 246, 0.05);
    border: 2px solid rgba(139, 92, 246, 0.25);
    color: var(--text-primary);
    font-family: var(--font-secondary);
    transition: all var(--speed-fast) var(--ease-primary);
    box-shadow: none;
}

/* Hover state */
body.theme-techno-occult .category-button:hover {
    border-color: rgba(139, 92, 246, 0.5);
    background: rgba(139, 92, 246, 0.08);
    box-shadow: var(--glow-sm) rgba(139, 92, 246, 0.3);
    transform: translateY(-1px);
}

/* Active state */
body.theme-techno-occult .category-button:active {
    transform: scale(0.97);
}

/* Active button state - base glow */
body.theme-techno-occult .category-button.active {
    color: var(--bg-canvas);
    border-width: 2px;
    font-weight: 700;
}

/* Category color assignments - Violet (0, 3, 6, 9, 12, 15) */
body.theme-techno-occult .category-button[data-category="0"].active,
body.theme-techno-occult .category-button[data-category="3"].active,
body.theme-techno-occult .category-button[data-category="6"].active,
body.theme-techno-occult .category-button[data-category="9"].active,
body.theme-techno-occult .category-button[data-category="12"].active,
body.theme-techno-occult .category-button[data-category="15"].active {
    background: var(--accent-primary);
    border-color: rgba(139, 92, 246, 0.9);
    box-shadow: var(--glow-sm) rgba(139, 92, 246, 0.6);
}

/* Category color assignments - Cyan (1, 4, 7, 10, 13) */
body.theme-techno-occult .category-button[data-category="1"].active,
body.theme-techno-occult .category-button[data-category="4"].active,
body.theme-techno-occult .category-button[data-category="7"].active,
body.theme-techno-occult .category-button[data-category="10"].active,
body.theme-techno-occult .category-button[data-category="13"].active {
    background: var(--accent-secondary);
    border-color: rgba(34, 211, 238, 0.9);
    box-shadow: var(--glow-sm) rgba(34, 211, 238, 0.6);
}

/* Category color assignments - Magenta (2, 5, 8, 11, 14) */
body.theme-techno-occult .category-button[data-category="2"].active,
body.theme-techno-occult .category-button[data-category="5"].active,
body.theme-techno-occult .category-button[data-category="8"].active,
body.theme-techno-occult .category-button[data-category="11"].active,
body.theme-techno-occult .category-button[data-category="14"].active {
    background: var(--accent-tertiary);
    border-color: rgba(236, 72, 153, 0.9);
    box-shadow: var(--glow-sm) rgba(236, 72, 153, 0.6);
}

/* ============================================
   NAV BUTTONS - TECHNO-OCCULT TRANSFORMATION
   Ceremonial hover states with slow transitions
   ============================================ */

/* Base nav button state */
body.theme-techno-occult .nav-button {
    background: rgba(10, 10, 15, 0.6);
    border: 1px solid rgba(139, 92, 246, 0.2);
    color: var(--text-primary);
    transition: all var(--speed-med) var(--ease-primary);
}

/* Hover state - ceremonial glow emerges slowly */
body.theme-techno-occult .nav-button:hover {
    background: rgba(139, 92, 246, 0.1);
    border-color: rgba(139, 92, 246, 0.5);
    color: var(--accent-secondary);
    box-shadow: var(--glow-sm) rgba(139, 92, 246, 0.3);
    transform: translateY(-1px);
}

/* Active state - snappy feedback */
body.theme-techno-occult .nav-button:active {
    background: rgba(139, 92, 246, 0.2);
    border-color: var(--accent-primary);
    color: var(--accent-secondary);
    transform: scale(0.95);
    box-shadow: var(--glow-sm) rgba(139, 92, 246, 0.5);
}

/* Nav label glow on hover */
body.theme-techno-occult .nav-button:hover .nav-label {
    text-shadow: 0 0 8px rgba(34, 211, 238, 0.6);
}

/* ============================================
   HEADER - TECHNO-OCCULT TRANSFORMATION
   Void background with subtle border glow
   ============================================ */

/* Header void background */
body.theme-techno-occult .header {
    background: rgba(10, 10, 15, 0.95);
    border-bottom: 1px solid rgba(139, 92, 246, 0.3);
    box-shadow: 0 4px 16px rgba(10, 10, 15, 0.8),
                0 1px 0 rgba(139, 92, 246, 0.2);
}

/* App title with subtle glow */
body.theme-techno-occult .app-title {
    color: var(--accent-secondary);
    font-family: var(--font-secondary);
    font-weight: 700;
    text-shadow: 0 0 12px rgba(34, 211, 238, 0.4);
    letter-spacing: 0.1em;
}

/* Connection status indicator */
body.theme-techno-occult .connection-status {
    font-family: var(--font-primary);
    font-size: 11px;
}

body.theme-techno-occult .connection-status.connected {
    color: var(--accent-secondary);
    text-shadow: 0 0 8px rgba(34, 211, 238, 0.5);
}

body.theme-techno-occult .connection-status.disconnected {
    color: rgba(236, 72, 153, 0.8);
    text-shadow: 0 0 8px rgba(236, 72, 153, 0.4);
}

/* ============================================
   SYMBOLS & MYSTICAL TEXT - TECHNO-OCCULT
   Unicode glyphs replace icons, mystical terms replace labels
   ============================================ */

/* Hide symbols in Wabisabi theme, show in Techno-Occult */
.nav-symbol,
.icon-symbol {
    display: none;
}

body.theme-techno-occult .nav-symbol,
body.theme-techno-occult .icon-symbol {
    display: block;
    font-family: var(--font-primary);
    font-size: 20px;
    line-height: 1;
    color: var(--accent-primary);
    text-shadow: 0 0 8px rgba(139, 92, 246, 0.6);
}

/* Hide SVGs in techno-occult theme for nav buttons */
body.theme-techno-occult .nav-button svg {
    display: none;
}

/* Hide SVGs in techno-occult theme for icon buttons */
body.theme-techno-occult .icon-button svg {
    display: none;
}

/* Show occult text in techno theme, hide wabi text */
.occult-text {
    display: none;
}

.wabi-text {
    display: inline;
}

body.theme-techno-occult .occult-text {
    display: inline;
}

body.theme-techno-occult .wabi-text {
    display: none;
}

/* Icon button symbol sizing */
body.theme-techno-occult .icon-symbol {
    font-size: 18px;
}

/* Animate symbols on hover */
body.theme-techno-occult .nav-button:hover .nav-symbol,
body.theme-techno-occult .icon-button:hover .icon-symbol {
    color: var(--accent-secondary);
    text-shadow: 0 0 12px rgba(34, 211, 238, 0.8);
    animation: symbol-pulse 1.2s ease-in-out infinite;
}

/* Symbol pulse animation */
@keyframes symbol-pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

/* ============================================
   VISUAL CANVAS - TECHNO-OCCULT TRANSFORMATION
   Void black background with glowing grid overlay
   ============================================ */

/* Canvas void background */
body.theme-techno-occult .canvas-container {
    background-color: var(--bg-canvas);
    background-image:
        linear-gradient(rgba(139, 92, 246, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(139, 92, 246, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    background-position: -1px -1px;
}

/* Canvas sidebar in void theme */
body.theme-techno-occult .canvas-sidebar {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(16px);
    border-left: 1px solid rgba(139, 92, 246, 0.3);
    box-shadow: -8px 0 24px rgba(10, 10, 15, 0.8),
                -1px 0 0 rgba(139, 92, 246, 0.2);
}

/* Canvas visual overlay grid - only for high performance */
body.theme-techno-occult[data-performance="high"] .visual-canvas::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(139, 92, 246, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(139, 92, 246, 0.08) 1px, transparent 1px);
    background-size: 80px 80px;
    opacity: 0.4;
    animation: grid-drift 60s linear infinite;
}

/* Grid drift animation */
@keyframes grid-drift {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 80px 80px;
    }
}

/* ============================================
   OVERLAYS & MODALS - TECHNO-OCCULT TRANSFORMATION
   Void backgrounds with neon borders and glows
   ============================================ */

/* Overlay backdrop - deeper void */
body.theme-techno-occult .overlay {
    background-color: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(8px);
}

/* Overlay content - void container with neon border */
body.theme-techno-occult .overlay-content {
    background: rgba(10, 10, 15, 0.98);
    border: 2px solid rgba(139, 92, 246, 0.4);
    box-shadow: 0 0 40px rgba(139, 92, 246, 0.3),
                0 20px 60px rgba(0, 0, 0, 0.9);
}

/* Overlay header - neon glow border */
body.theme-techno-occult .overlay-header {
    border-bottom: 1px solid rgba(139, 92, 246, 0.3);
    background: rgba(139, 92, 246, 0.05);
}

body.theme-techno-occult .overlay-header h2 {
    color: var(--accent-secondary);
    font-family: var(--font-secondary);
    text-shadow: 0 0 12px rgba(34, 211, 238, 0.4);
}

/* Search input - neon border on focus */
body.theme-techno-occult .search-input {
    background: rgba(10, 10, 15, 0.6);
    border: 2px solid rgba(139, 92, 246, 0.3);
    color: var(--text-primary);
    font-family: var(--font-primary);
}

body.theme-techno-occult .search-input:focus {
    border-color: var(--accent-primary);
    background: rgba(10, 10, 15, 0.8);
    box-shadow: 0 0 16px rgba(139, 92, 246, 0.4);
}

body.theme-techno-occult .search-input::placeholder {
    color: rgba(226, 232, 240, 0.4);
}

/* Search results - neon cards */
body.theme-techno-occult .search-result {
    background: rgba(139, 92, 246, 0.05);
    border: 1px solid rgba(139, 92, 246, 0.3);
    transition: all var(--speed-fast) var(--ease-primary);
}

body.theme-techno-occult .search-result:hover {
    border-color: rgba(139, 92, 246, 0.6);
    background: rgba(139, 92, 246, 0.1);
    box-shadow: 0 0 12px rgba(139, 92, 246, 0.3);
    transform: translateY(-2px);
}

body.theme-techno-occult .search-result:active {
    background: rgba(139, 92, 246, 0.2);
    border-color: var(--accent-primary);
}

/* Search hint text */
body.theme-techno-occult .search-hint {
    color: rgba(226, 232, 240, 0.4);
}

/* Settings form inputs and selects */
body.theme-techno-occult .form-group label {
    color: var(--accent-secondary);
    font-family: var(--font-primary);
}

body.theme-techno-occult input[type="text"],
body.theme-techno-occult input[type="number"],
body.theme-techno-occult select,
body.theme-techno-occult .theme-select {
    background: rgba(10, 10, 15, 0.6);
    border: 2px solid rgba(139, 92, 246, 0.3);
    color: var(--text-primary);
    font-family: var(--font-primary);
}

body.theme-techno-occult input[type="text"]:focus,
body.theme-techno-occult input[type="number"]:focus,
body.theme-techno-occult select:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 12px rgba(139, 92, 246, 0.4);
    outline: none;
}

/* Action buttons in modals */
body.theme-techno-occult .action-button {
    background: rgba(139, 92, 246, 0.1);
    border: 2px solid rgba(139, 92, 246, 0.4);
    color: var(--accent-secondary);
    transition: all var(--speed-med) var(--ease-primary);
}

body.theme-techno-occult .action-button:hover {
    background: rgba(139, 92, 246, 0.2);
    border-color: var(--accent-primary);
    box-shadow: 0 0 16px rgba(139, 92, 246, 0.5);
}

body.theme-techno-occult .action-button:active {
    background: var(--accent-primary);
    color: var(--bg-canvas);
    transform: scale(0.97);
}

/* ============================================
   MIDI KEYBOARD - TECHNO-OCCULT TRANSFORMATION
   Neon piano keys with ceremonial glows
   ============================================ */

/* MIDI keyboard modal - void background */
body.theme-techno-occult .midi-keyboard-modal {
    background: rgba(10, 10, 15, 0.98);
    border-top: 2px solid rgba(139, 92, 246, 0.5);
    box-shadow: 0 -8px 32px rgba(139, 92, 246, 0.3),
                0 -4px 16px rgba(0, 0, 0, 0.9);
}

/* MIDI keyboard header */
body.theme-techno-occult .midi-keyboard-header {
    background: rgba(139, 92, 246, 0.05);
    border-bottom: 1px solid rgba(139, 92, 246, 0.3);
}

body.theme-techno-occult .midi-keyboard-title {
    color: var(--accent-secondary);
    font-family: var(--font-secondary);
    text-shadow: 0 0 8px rgba(34, 211, 238, 0.4);
}

/* MIDI controls */
body.theme-techno-occult .midi-keyboard-controls {
    background: rgba(10, 10, 15, 0.6);
}

body.theme-techno-occult .control-group label {
    color: rgba(226, 232, 240, 0.6);
    font-family: var(--font-primary);
}

body.theme-techno-occult .control-btn {
    background: rgba(139, 92, 246, 0.2);
    border: 1px solid rgba(139, 92, 246, 0.4);
    color: var(--accent-secondary);
    font-family: var(--font-primary);
}

body.theme-techno-occult .control-btn:hover {
    background: rgba(139, 92, 246, 0.3);
    border-color: var(--accent-primary);
    box-shadow: 0 0 8px rgba(139, 92, 246, 0.4);
}

body.theme-techno-occult #midiChannel,
body.theme-techno-occult #midiDeviceSelect {
    background: rgba(10, 10, 15, 0.6);
    border: 1px solid rgba(139, 92, 246, 0.3);
    color: var(--text-primary);
    font-family: var(--font-primary);
}

/* Piano keyboard - void black */
body.theme-techno-occult .piano-keyboard {
    background: var(--bg-canvas);
    border-top: 1px solid rgba(139, 92, 246, 0.2);
}

/* White keys - neon glow on press */
body.theme-techno-occult .piano-key.white {
    background: linear-gradient(to bottom, rgba(226, 232, 240, 0.9), rgba(226, 232, 240, 0.7));
    border: 1px solid rgba(139, 92, 246, 0.3);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

body.theme-techno-occult .piano-key.white:hover {
    background: linear-gradient(to bottom, rgba(226, 232, 240, 1), rgba(226, 232, 240, 0.8));
    box-shadow: 0 0 8px rgba(139, 92, 246, 0.4);
}

body.theme-techno-occult .piano-key.white.active {
    background: linear-gradient(to bottom, rgba(139, 92, 246, 0.8), rgba(139, 92, 246, 0.6));
    border-color: var(--accent-primary);
    box-shadow: 0 0 16px rgba(139, 92, 246, 0.8),
                0 0 8px rgba(34, 211, 238, 0.4);
}

/* Black keys - neon glow on press */
body.theme-techno-occult .piano-key.black {
    background: linear-gradient(to bottom, rgba(42, 42, 42, 0.95), rgba(10, 10, 15, 0.95));
    border: 1px solid rgba(139, 92, 246, 0.4);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.8);
}

body.theme-techno-occult .piano-key.black:hover {
    background: linear-gradient(to bottom, rgba(60, 60, 60, 0.95), rgba(30, 30, 30, 0.95));
    box-shadow: 0 0 8px rgba(34, 211, 238, 0.4);
}

body.theme-techno-occult .piano-key.black.active {
    background: linear-gradient(to bottom, rgba(34, 211, 238, 0.8), rgba(34, 211, 238, 0.6));
    border-color: var(--accent-secondary);
    box-shadow: 0 0 16px rgba(34, 211, 238, 0.8),
                0 0 8px rgba(139, 92, 246, 0.4);
}

/* Key labels */
body.theme-techno-occult .piano-key.white .key-label {
    color: rgba(139, 92, 246, 0.6);
    font-family: var(--font-primary);
}

body.theme-techno-occult .piano-key.black .key-label {
    color: rgba(34, 211, 238, 0.6);
}

/* Panic button - magenta danger */
body.theme-techno-occult .panic-btn {
    background: rgba(236, 72, 153, 0.2);
    border: 1px solid rgba(236, 72, 153, 0.4);
    color: var(--accent-tertiary);
}

body.theme-techno-occult .panic-btn:hover {
    background: rgba(236, 72, 153, 0.3);
    box-shadow: 0 0 12px rgba(236, 72, 153, 0.5);
}

/* ============================================
   ADAPTIVE PERFORMANCE - TECHNO-OCCULT
   Adjust effects based on device capability
   ============================================ */

/* Low performance: Minimal effects, no animations */
body.theme-techno-occult[data-performance="low"] * {
    animation: none !important;
}

body.theme-techno-occult[data-performance="low"] .grid-pad,
body.theme-techno-occult[data-performance="low"] .category-button,
body.theme-techno-occult[data-performance="low"] .nav-button,
body.theme-techno-occult[data-performance="low"] .icon-button,
body.theme-techno-occult[data-performance="low"] .search-result,
body.theme-techno-occult[data-performance="low"] .piano-key {
    box-shadow: none !important;
    text-shadow: none !important;
}

body.theme-techno-occult[data-performance="low"] .canvas-container {
    background-image: none;
}

/* Medium performance: Reduced effects, simpler animations */
body.theme-techno-occult[data-performance="medium"] .grid-pad.active {
    animation-duration: 3s; /* Slower pulse */
}

body.theme-techno-occult[data-performance="medium"] .grid-pad,
body.theme-techno-occult[data-performance="medium"] .category-button,
body.theme-techno-occult[data-performance="medium"] .search-result {
    box-shadow: none;
}

body.theme-techno-occult[data-performance="medium"] .grid-pad:hover,
body.theme-techno-occult[data-performance="medium"] .category-button:hover {
    box-shadow: var(--glow-sm) rgba(139, 92, 246, 0.3);
}

/* High performance: Full effects enabled */
/* Grid overlay animation already conditionally enabled via [data-performance="high"] */

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    body.theme-techno-occult * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================
   ACCESSIBILITY & FOCUS STATES - TECHNO-OCCULT
   Enhanced keyboard navigation and reduced motion support
   ============================================ */

/* Focus visible for keyboard navigation */
body.theme-techno-occult .grid-pad:focus-visible,
body.theme-techno-occult .category-button:focus-visible,
body.theme-techno-occult .nav-button:focus-visible,
body.theme-techno-occult .icon-button:focus-visible,
body.theme-techno-occult .search-result:focus-visible,
body.theme-techno-occult .piano-key:focus-visible {
    outline: 2px solid var(--accent-secondary);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.3);
}

/* Focus visible for form inputs */
body.theme-techno-occult input:focus-visible,
body.theme-techno-occult select:focus-visible,
body.theme-techno-occult button:focus-visible {
    outline: 2px solid var(--accent-secondary);
    outline-offset: 2px;
}