@layer reset, base, theme, components, utilities;

@layer reset {
  *, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  html {
    -webkit-text-size-adjust: none;
    text-size-adjust: none;
    scroll-behavior: smooth;
  }

  body {
    min-height: 100dvh;
    line-height: 1.5;
    text-rendering: optimizeSpeed;
  }

  img, picture, svg, video {
    display: block;
    max-width: 100%;
    height: auto;
  }

  input, button, textarea, select {
    font: inherit;
    color: inherit;
    background: transparent;
    border: none;
  }

  button {
    cursor: pointer;
  }

  a {
    text-decoration: none;
    color: inherit;
  }

  table {
    border-collapse: collapse;
    border-spacing: 0;
  }
}

@layer base {
  :root {
    /* Color Spaces and Gamma Management variables */
    --in-oklab: in oklab;
    --in-oklch: in oklch;

    /* Theme Palette - Dark First */
    --bg-dark: oklch(14% 0.02 240);
    --bg-darker: oklch(10% 0.02 240);
    --bg-card-dark: oklch(18% 0.03 240 / 0.6);
    --border-dark: oklch(25% 0.02 240 / 0.4);

    --text-dark-primary: oklch(98% 0.01 240);
    --text-dark-secondary: oklch(75% 0.02 240);
    --text-dark-muted: oklch(50% 0.02 240);

    /* Light Theme Fallbacks */
    --bg-light: oklch(96% 0.01 240);
    --bg-lighter: oklch(98% 0.01 240);
    --bg-card-light: oklch(92% 0.01 240 / 0.6);
    --border-light: oklch(80% 0.02 240 / 0.4);

    --text-light-primary: oklch(15% 0.02 240);
    --text-light-secondary: oklch(40% 0.02 240);
    --text-light-muted: oklch(60% 0.02 240);

    /* Resolved Adaptive Colors */
    --bg-page: light-dark(var(--bg-light), var(--bg-dark));
    --bg-canvas: light-dark(var(--bg-lighter), var(--bg-darker));
    --bg-card: light-dark(var(--bg-card-light), var(--bg-card-dark));
    --border: light-dark(var(--border-light), var(--border-dark));
    --text-primary: light-dark(var(--text-light-primary), var(--text-dark-primary));
    --text-secondary: light-dark(var(--text-light-secondary), var(--text-dark-secondary));
    --text-muted: light-dark(var(--text-light-muted), var(--text-dark-muted));

    /* Neon Accent Accents */
    --accent-cyan: oklch(75% 0.18 195);
    --accent-mint: oklch(80% 0.22 160);
    --accent-amber: oklch(75% 0.17 75);
    --accent-purple: oklch(55% 0.25 310);

    /* Typography */
    --font-sans: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    --font-mono: 'Fira Code', 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;

    /* Viewport Spacing Grid */
    --space-xs: clamp(0.5rem, 0.4rem + 0.5vw, 0.75rem);
    --space-sm: clamp(0.75rem, 0.6rem + 0.75vw, 1.25rem);
    --space-md: clamp(1.25rem, 1rem + 1vw, 2rem);
    --space-lg: clamp(2rem, 1.5rem + 2vw, 3.5rem);
    --space-xl: clamp(3.5rem, 2.5rem + 4vw, 6rem);

    /* Component Details */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 24px;
    --blur-glass: 16px;
    --shadow-subtle: 0 4px 20px 0 oklch(0% 0 0 / 0.15);
    --shadow-glowing: 0 0 20px 0 var(--accent-cyan);

    color-scheme: dark light;
    accent-color: var(--accent-cyan);
    scrollbar-color: light-dark(oklch(70% 0.02 240), oklch(35% 0.02 240)) var(--bg-canvas);
  }

  @supports (linear-gradient(in oklab, white, black)) {
    :root {
      --in-oklab: in oklab;
      --in-oklch: in oklch;
    }
  }

  body {
    font-family: var(--font-sans);
    background-color: var(--bg-canvas);
    color: var(--text-primary);
    overflow-x: hidden;
    min-block-size: 100dvh;
    display: flex;
    flex-direction: column;
  }
}

@layer theme {
  /* Scrollbar overrides for Webkit */
  @supports not (scrollbar-color: auto) {
    body::-webkit-scrollbar {
      width: 10px;
      height: 10px;
    }

    body::-webkit-scrollbar-track {
      background: var(--bg-canvas);
    }

    body::-webkit-scrollbar-thumb {
      background: light-dark(oklch(70% 0.02 240), oklch(35% 0.02 240));
      border-radius: var(--radius-sm);
    }
  }

  /* Selection overlay */
  ::selection {
    background-color: var(--accent-cyan);
    color: var(--bg-darker);
  }

  /* Accessible focus indicators */
  :focus-visible {
    outline: 2px solid var(--accent-mint);
    outline-offset: 4px;
  }
}

@layer components {
  /* Site Header Navigation */
  .site-header {
    background-color: rgba(from var(--bg-page) r g b / 0.8);
    backdrop-filter: blur(var(--blur-glass));
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    padding-block: var(--space-sm);
  }

  .nav-container {
    max-width: 1400px;
    margin-inline: auto;
    padding-inline: var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .logo {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.05em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg var(--in-oklch), var(--text-primary), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .logo span {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    background: var(--accent-amber);
    -webkit-background-clip: initial;
    -webkit-text-fill-color: var(--bg-darker);
    padding: 0.15rem 0.4rem;
    border-radius: var(--radius-sm);
  }

  .nav-menu {
    display: flex;
    gap: var(--space-md);
    list-style: none;
    align-items: center;
  }

  .nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary);
    transition: color 0.2s ease-in-out;
  }

  .nav-link:hover, .nav-link.active {
    color: var(--accent-cyan);
  }

  .nav-btn {
    background: linear-gradient(135deg var(--in-oklch), rgba(from var(--accent-cyan) r g b / 0.1), rgba(from var(--accent-mint) r g b / 0.05));
    border: 1px solid var(--accent-cyan);
    color: var(--accent-cyan);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.2s ease-in-out;
  }

  .nav-btn:hover {
    box-shadow: 0 0 15px rgba(from var(--accent-cyan) r g b / 0.4);
    background-color: var(--accent-cyan);
    color: var(--bg-darker);
  }

  /* Glass Card System */
  .glass-card {
    background-color: var(--bg-card);
    backdrop-filter: blur(var(--blur-glass));
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    box-shadow: var(--shadow-subtle);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s ease;
  }

  .glass-card:hover {
    border-color: rgba(from var(--accent-cyan) r g b / 0.3);
    transform: translateY(-2px);
  }

  /* Neon Glowing Badges */
  .badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
    border: 1px solid currentColor;
    background-color: transparent;
  }

  .badge-cyan { color: var(--accent-cyan); }
  .badge-mint { color: var(--accent-mint); }
  .badge-amber { color: var(--accent-amber); }
  .badge-purple { color: var(--accent-purple); }

  /* Hero Section */
  .hero-section {
    position: relative;
    padding-block: var(--space-xl) var(--space-lg);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    max-width: 1400px;
    margin-inline: auto;
    padding-inline: var(--space-md);
  }

  @media (min-width: 1024px) {
    .hero-section {
      grid-template-columns: 1.2fr 1fr;
      align-items: center;
    }
  }

  .hero-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
  }

  .hero-tag {
    font-family: var(--font-mono);
    color: var(--accent-cyan);
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
  }

  .hero-title {
    font-size: clamp(2.2rem, 1.5rem + 3.5vw, 4.5rem);
    line-height: 1.1;
    font-weight: 900;
    letter-spacing: -0.03em;
    text-wrap: balance;
  }

  .hero-title span {
    background: linear-gradient(135deg var(--in-oklch), var(--accent-cyan), var(--accent-mint));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .hero-desc {
    font-size: clamp(1rem, 0.9rem + 0.5vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 580px;
    text-wrap: pretty;
  }

  .cta-group {
    display: flex;
    gap: var(--space-sm);
    margin-top: 1rem;
    flex-wrap: wrap;
  }

  .btn-primary {
    background: linear-gradient(135deg var(--in-oklch), var(--accent-cyan), var(--accent-mint));
    color: var(--bg-darker);
    padding: 0.8rem 1.8rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    box-shadow: 0 0 20px rgba(from var(--accent-cyan) r g b / 0.2);
    transition: all 0.2s ease-in-out;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
  }

  .btn-primary:hover {
    box-shadow: 0 0 30px rgba(from var(--accent-cyan) r g b / 0.5);
    transform: translateY(-1px);
  }

  .btn-secondary {
    border: 1px solid var(--border);
    background-color: var(--bg-card);
    color: var(--text-primary);
    padding: 0.8rem 1.8rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
  }

  .btn-secondary:hover {
    border-color: var(--text-secondary);
    background-color: rgba(from var(--text-primary) r g b / 0.05);
  }

  /* Spotlight CSS Mask Component */
  @property --inner-size {
    syntax: "<length-percentage>";
    inherits: true;
    initial-value: 0px;
  }
  @property --outer-size {
    syntax: "<length-percentage>";
    inherits: true;
    initial-value: 0px;
  }

  .spotlight-container {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 1.4 / 1;
    background-color: var(--bg-page);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-subtle);
  }

  .spotlight-fallback-layer {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.25;
    background: radial-gradient(circle at 50% 50%, var(--border) 0%, transparent 70%);
  }

  .spotlight-reveal-layer {
    position: absolute;
    inset: 0;
    pointer-events: none;
    transition: --inner-size 0.3s ease-out, --outer-size 0.3s ease-out;
    background: linear-gradient(135deg var(--in-oklch), var(--bg-dark), var(--bg-darker));
    display: flex;
    align-items: center;
    justify-content: center;

    -webkit-mask-image: radial-gradient(
      circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
      black var(--inner-size, 0%),
      transparent var(--outer-size, 0%)
    );
    mask-image: radial-gradient(
      circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
      black var(--inner-size, 0%),
      transparent var(--outer-size, 0%)
    );
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
  }

  @media (prefers-reduced-motion: reduce) {
    .spotlight-reveal-layer {
      transition: none !important;
    }
  }

  .spotlight-container:hover .spotlight-reveal-layer {
    --inner-size: clamp(100px, 10vw, 250px);
    --outer-size: clamp(180px, 18vw, 400px);
  }

  .spotlight-content {
    color: var(--text-primary);
    padding: var(--space-lg);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
  }

  .spotlight-hardware {
    width: 90%;
    opacity: 0.9;
    filter: drop-shadow(0 10px 30px rgba(0,0,0,0.5));
  }

  /* Info Grid (Landing Page Details) */
  .info-section {
    max-width: 1400px;
    margin-inline: auto;
    padding-inline: var(--space-md);
    padding-block: var(--space-lg) var(--space-xl);
  }

  .section-title {
    font-size: clamp(1.8rem, 1.5rem + 1vw, 2.5rem);
    font-weight: 800;
    margin-bottom: var(--space-md);
    text-align: center;
    letter-spacing: -0.02em;
  }

  .info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-md);
  }

  .feature-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xs);
  }

  .feature-title {
    font-size: 1.25rem;
    font-weight: 700;
  }

  .feature-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
  }

  /* Footer */
  .site-footer {
    margin-top: auto;
    border-top: 1px solid var(--border);
    padding-block: var(--space-md);
    background-color: var(--bg-page);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
  }

  .footer-container {
    max-width: 1400px;
    margin-inline: auto;
    padding-inline: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
  }

  @media (min-width: 768px) {
    .footer-container {
      flex-direction: row;
      justify-content: space-between;
    }
  }

  /* SPLIT VIEW - Visualizer Layout */
  .visualizer-container {
    max-width: 1600px;
    margin-inline: auto;
    padding-inline: var(--space-md);
    padding-block: var(--space-md);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    flex: 1;
  }

  @media (min-width: 1200px) {
    .visualizer-container {
      grid-template-columns: 550px 1fr;
      align-items: start;
    }
  }

  /* Sidebar Controls / SVG panel */
  .control-panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    position: sticky;
    top: calc(75px + var(--space-md));
  }

  /* High fidelity SVG controller mapping styles */
  .hardware-svg-card {
    padding: var(--space-sm);
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--bg-darker);
    border: 1px solid var(--border-dark);
    box-shadow: inset 0 2px 10px rgba(0,0,0,0.8), var(--shadow-subtle);
  }

  .tonverk-svg {
    width: 100%;
    height: auto;
    user-select: none;
  }

  /* SVG interactive classes */
  .svg-btn {
    cursor: pointer;
    transition: filter 0.15s ease, stroke 0.15s ease;
  }

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

  .svg-btn.active {
    stroke: var(--accent-mint);
    stroke-width: 1.5;
  }

  .svg-knob {
    cursor: pointer;
    transition: transform 0.15s ease;
    transform-origin: center;
  }

  .svg-knob:hover {
    filter: drop-shadow(0 0 8px var(--accent-cyan));
  }

  .svg-knob-indicator {
    transform-origin: center;
    transition: transform 0.1s linear;
  }

  .svg-knob.active .svg-knob-indicator {
    stroke: var(--accent-cyan);
  }

  .svg-knob.hovered circle {
    stroke: var(--accent-cyan);
    stroke-width: 1.5;
  }

  .svg-screen-text {
    font-family: var(--font-mono);
    fill: #e6ffff;
    font-size: 8px;
    letter-spacing: 0.05em;
  }

  /* Details Panel - Selected Knob Info */
  .parameter-details {
    border-left: 4px solid var(--accent-cyan);
  }

  .details-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--accent-cyan);
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .details-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    margin-block: 0.5rem;
    font-size: 0.9rem;
  }

  .details-label {
    color: var(--text-muted);
  }

  .details-value {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--text-primary);
  }

  .details-value.badge {
    display: inline-block;
    padding: 0.1rem 0.4rem;
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
  }

  /* Knob Live Simulator */
  .knob-simulator {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.5rem;
    border-top: 1px dashed var(--border);
    padding-top: 0.75rem;
  }

  .sim-slider-container {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
  }

  .sim-slider {
    flex: 1;
    accent-color: var(--accent-cyan);
    cursor: pointer;
  }

  .sim-values {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
  }

  /* Search & Table Pane */
  .data-panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
  }

  .search-filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    align-items: center;
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-sm);
  }

  .search-input-wrapper {
    flex: 1;
    min-width: 250px;
    position: relative;
  }

  .search-input {
    width: 100%;
    background-color: var(--bg-canvas);
    border: 1px solid var(--border);
    padding: 0.6rem 1rem 0.6rem 2.2rem;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    color: var(--text-primary);
    transition: border-color 0.2s ease;
  }

  .search-input:focus {
    border-color: var(--accent-cyan);
    outline: none;
  }

  .search-icon {
    position: absolute;
    left: 0.8rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
    font-size: 0.9rem;
  }

  .filter-select {
    background-color: var(--bg-canvas);
    border: 1px solid var(--border);
    padding: 0.6rem 2rem 0.6rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1rem;
  }

  .filter-select:focus {
    border-color: var(--accent-cyan);
    outline: none;
  }

  /* Table Scroller & Table */
  .table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background-color: var(--bg-card);
    max-height: 700px;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-subtle);
  }

  .midi-table {
    width: 100%;
    font-size: 0.9rem;
    text-align: left;
  }

  .midi-table th {
    background-color: var(--bg-page);
    color: var(--text-secondary);
    font-weight: 700;
    padding: var(--space-sm);
    position: sticky;
    top: 0;
    z-index: 10;
    border-bottom: 1px solid var(--border);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
  }

  .midi-table td {
    padding: var(--space-sm);
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    transition: background-color 0.15s ease, color 0.15s ease;
  }

  .midi-table tbody tr {
    cursor: pointer;
  }

  .midi-table tbody tr:hover td {
    background-color: rgba(from var(--accent-cyan) r g b / 0.05);
    color: var(--text-primary);
  }

  .midi-table tbody tr.active td {
    background-color: rgba(from var(--accent-cyan) r g b / 0.1);
    color: var(--accent-cyan);
    border-bottom-color: rgba(from var(--accent-cyan) r g b / 0.3);
  }

  .param-name {
    font-weight: 700;
    color: var(--text-primary);
  }

  .midi-val {
    font-family: var(--font-mono);
    font-size: 0.85rem;
  }

  /* Drag & Drop zone */
  .upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    text-align: center;
    background-color: rgba(from var(--bg-card) r g b / 0.3);
    cursor: pointer;
    transition: all 0.2s ease-in-out;
  }

  .upload-zone:hover, .upload-zone.dragover {
    border-color: var(--accent-cyan);
    background-color: rgba(from var(--accent-cyan) r g b / 0.03);
  }

  .upload-zone svg {
    margin-inline: auto;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
  }

  .upload-zone:hover svg {
    color: var(--accent-cyan);
  }

  .upload-title {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 0.25rem;
  }

  .upload-desc {
    color: var(--text-muted);
    font-size: 0.8rem;
  }

  /* Interactive Routing Mixer Styles */
  .mixer-dashboard {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-sm);
    box-shadow: var(--shadow-subtle);
    grid-column: 1 / -1;
  }

  .mixer-scroll-container {
    display: flex;
    gap: var(--space-md);
    overflow-x: auto;
    padding-bottom: 0.5rem;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-cyan) var(--bg-canvas);
  }

  /* Scrollbar styling for Webkit scrollable mixer */
  .mixer-scroll-container::-webkit-scrollbar {
    height: 6px;
  }
  .mixer-scroll-container::-webkit-scrollbar-track {
    background: var(--bg-canvas);
    border-radius: var(--radius-sm);
  }
  .mixer-scroll-container::-webkit-scrollbar-thumb {
    background: var(--accent-cyan);
    border-radius: var(--radius-sm);
  }

  .mixer-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    border-right: 1px dashed var(--border);
    padding-right: var(--space-md);
  }

  .mixer-group:last-child {
    border-right: none;
    padding-right: 0;
  }

  .mixer-group-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }

  .mixer-group-strips {
    display: flex;
    gap: 0.4rem;
  }

  /* Channel Strip Component */
  .channel-strip {
    width: 66px;
    background-color: rgba(25, 27, 35, 0.4);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    position: relative;
    transition: background-color 0.2s ease, border-color 0.2s ease;
    cursor: pointer;
  }

  .channel-strip:hover {
    background-color: rgba(from var(--accent-cyan) r g b / 0.02);
    border-color: rgba(from var(--accent-cyan) r g b / 0.25);
  }

  .channel-strip.selected-track {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 8px rgba(0, 242, 254, 0.25);
    background-color: rgba(255, 255, 255, 0.04);
  }

  .channel-strip.active {
    background-color: rgba(from var(--accent-cyan) r g b / 0.04);
    border-color: var(--accent-cyan);
  }

  .channel-header {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--text-primary);
    text-align: center;
    border-bottom: 2px solid var(--border);
    width: 100%;
    padding-bottom: 0.2rem;
  }

  /* Mute Button */
  .mute-btn {
    width: 100%;
    padding: 0.15rem 0;
    font-size: 0.65rem;
    font-weight: 800;
    text-align: center;
    border-radius: 3px;
    background-color: #20222a;
    border: 1px solid #333;
    color: var(--text-muted);
    transition: all 0.15s ease;
  }

  .mute-btn:hover {
    border-color: var(--text-secondary);
  }

  .mute-btn.muted {
    background-color: #ff3b30;
    border-color: #ff3b30;
    color: #fff;
    box-shadow: 0 0 10px rgba(255, 59, 48, 0.5);
  }

  /* Small knobs grid inside strip */
  .channel-knobs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.3rem;
    width: 100%;
    border-bottom: 1px dashed var(--border);
    padding-bottom: 0.3rem;
  }

  .knob-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
  }

  .knob-dial {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: #121316;
    border: 1px solid #3a3c48;
    position: relative;
    transform-origin: center;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
  }

  .knob-dial::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 8px;
    width: 2px;
    height: 5px;
    background-color: var(--text-muted);
    border-radius: 1px;
    transform-origin: bottom center;
    transform: rotate(var(--angle, 0deg));
    transition: background-color 0.15s ease;
  }

  .knob-wrapper:hover .knob-dial {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 5px rgba(from var(--accent-cyan) r g b / 0.4);
  }

  .knob-wrapper:hover .knob-dial::after {
    background-color: var(--accent-cyan);
  }

  .knob-wrapper.active .knob-dial {
    border-color: var(--accent-mint);
    box-shadow: 0 0 6px rgba(from var(--accent-mint) r g b / 0.5);
  }

  .knob-wrapper.active .knob-dial::after {
    background-color: var(--accent-mint);
  }

  .knob-label {
    font-size: 0.55rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    margin-top: 0.1rem;
    text-transform: uppercase;
  }

  /* Vertical Fader for volume control */
  .fader-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    width: 100%;
    padding-block: 0.2rem;
    cursor: pointer;
  }

  .vertical-fader {
    appearance: none;
    -webkit-appearance: none;
    width: 4px;
    height: 80px;
    background: #121316;
    border-radius: 2px;
    outline: none;
    writing-mode: vertical-lr;
    direction: rtl;
    cursor: pointer;
    margin-block: 0.3rem;
  }

  .vertical-fader::-webkit-slider-thumb {
    appearance: none;
    -webkit-appearance: none;
    width: 12px;
    height: 18px;
    border-radius: 2px;
    background: var(--text-secondary);
    border: 1px solid #111;
    box-shadow: 0 1px 3px rgba(0,0,0,0.5);
    transition: background-color 0.15s ease;
  }

  .vertical-fader::-moz-range-thumb {
    width: 12px;
    height: 18px;
    border-radius: 2px;
    background: var(--text-secondary);
    border: 1px solid #111;
    box-shadow: 0 1px 3px rgba(0,0,0,0.5);
    transition: background-color 0.15s ease;
  }

  .fader-container:hover .vertical-fader::-webkit-slider-thumb {
    background: var(--accent-cyan);
    box-shadow: 0 0 5px var(--accent-cyan);
  }

  .fader-container:hover .vertical-fader::-moz-range-thumb {
    background: var(--accent-cyan);
    box-shadow: 0 0 5px var(--accent-cyan);
  }

  .fader-container.active .vertical-fader::-webkit-slider-thumb {
    background: var(--accent-mint);
    box-shadow: 0 0 6px var(--accent-mint);
  }

  .fader-container.active .vertical-fader::-moz-range-thumb {
    background: var(--accent-mint);
    box-shadow: 0 0 6px var(--accent-mint);
  }

  .fader-value {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-secondary);
  }

  /* Routing Select Box */
  .routing-select {
    width: 100%;
    background-color: #121316;
    border: 1px solid #2d303b;
    border-radius: 2px;
    font-size: 0.6rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    padding: 0.1rem;
    cursor: pointer;
    text-align: center;
    transition: border-color 0.15s ease;
  }

  .routing-select:hover {
    border-color: var(--accent-cyan);
  }

  .routing-select.active {
    border-color: var(--accent-mint);
  }

  /* Routing Diagram Component */
  .routing-diagram-card {
    padding: var(--space-xs);
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
  }

  .routing-path {
    stroke: var(--border);
    stroke-width: 1;
    fill: none;
    transition: stroke 0.25s ease, stroke-width 0.25s ease;
  }

  .routing-path.highlighted {
    stroke: var(--accent-cyan);
    stroke-width: 2;
  }

  .routing-node {
    fill: var(--bg-canvas);
    stroke: var(--border);
    stroke-width: 1;
    transition: fill 0.2s, stroke 0.2s;
  }

  .routing-node.highlighted {
    stroke: var(--accent-cyan);
    fill: rgba(from var(--accent-cyan) r g b / 0.1);
  }

  .routing-text {
    font-family: var(--font-mono);
    font-size: 6.5px;
    font-weight: 600;
    fill: var(--text-secondary);
    transition: fill 0.2s;
  }

  .routing-text.highlighted {
    fill: var(--accent-cyan);
  }
}

@layer utilities {
  .text-center { text-align: center; }
  .text-right { text-align: right; }
  .uppercase { text-transform: uppercase; }

  /* Utility grid gaps */
  .gap-xs { gap: var(--space-xs); }
  .gap-sm { gap: var(--space-sm); }
  .gap-md { gap: var(--space-md); }

  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .text-gradient-cyan {
    background: linear-gradient(135deg var(--in-oklch), var(--accent-cyan), var(--accent-mint));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
}

/* Unified Page Tab Button Styles */
.page-tab-btn, .encoder-page-btn, .page-tab {
  padding: 0.4rem 0.9rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 800;
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.page-tab-btn:hover, .encoder-page-btn:hover, .page-tab:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--accent-cyan);
  color: var(--text-primary);
}

.page-tab-btn.active, .encoder-page-btn.active, .page-tab.active {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background-color: rgba(0, 242, 254, 0.08);
  box-shadow: 0 0 8px rgba(0, 242, 254, 0.15);
}

.page-tab-btn:disabled, .encoder-page-btn:disabled, .page-tab:disabled {
  opacity: 0.25;
  cursor: not-allowed;
  border-color: var(--border);
  background-color: transparent;
  color: var(--text-muted);
  pointer-events: none;
}