/* ==========================================================================
   CSS Architecture Layers Setup
   ========================================================================== */
@layer reset, base, theme, components, utilities;

@layer reset {
  /* Box-sizing and basic resets - Avoiding global * reset */
  html, body, div, span, applet, object, iframe,
  h1, h2, h3, h4, h5, h6, p, blockquote, pre,
  a, abbr, acronym, address, big, cite, code,
  del, dfn, em, img, ins, kbd, q, s, samp,
  small, strike, strong, sub, sup, tt, var,
  b, u, i, center,
  dl, dt, dd, ol, ul, li,
  fieldset, form, label, legend,
  table, caption, tbody, tfoot, thead, tr, th, td,
  article, aside, canvas, details, embed, 
  figure, figcaption, footer, header, hgroup, 
  menu, nav, output, ruby, section, summary,
  time, mark, audio, video {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
    box-sizing: border-box;
  }

  body {
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
  }

  button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    margin: 0;
    box-sizing: border-box;
  }

  button {
    background: none;
    border: none;
    cursor: pointer;
  }

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

@layer base {
  /* Typography and Document Foundations */
  :root {
    color-scheme: light dark;
    
    /* Shared Constants */
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-body: 'Space Mono', Courier, monospace;
    --border-width: 4px;
    --border-width-thin: 2px;
    --border-radius: 4px;
    --shadow-offset: 6px;
    --shadow-offset-active: 2px;
    
    /* LIGHT MODE (Daylight Paper) */
    --bg-canvas: #F5EFEB; /* Cardboard/cream paper */
    --bg-window: #FFFFFF;
    --border-color: #1A1A1A;
    --text-primary: #1A1A1A;
    --text-muted: #4A4A4A;
    --shadow-color: #1A1A1A;
    --bg-grid: #E8E2DD;
    
    /* Accents - Light Mode */
    --color-accent-lime: #C3F53C;   /* Neon yellow-green */
    --color-accent-cyan: #38BDF8;   /* Cyan */
    --color-accent-coral: #FB7185;  /* Coral red */
    --color-accent-yellow: #FACC15; /* Golden yellow */
    --color-accent-purple: #C084FC; /* Purple */
    
    --color-hover-lime: #A3D61A;
    --color-hover-cyan: #0EA5E9;
    --color-hover-coral: #F43F5E;
    --color-hover-yellow: #EAB308;
    --color-hover-purple: #A855F7;
    
    /* System specific overrides */
    --win-close: #FF5F56;
    --win-minimize: #FFBD2E;
    --win-maximize: #27C93F;
    --terminal-bg: #1E1E2E;
    --terminal-text: #F8F8F2;
    --terminal-accent: #50FA7B;
  }

  /* NOIR MODE (Dark Canvas) */
  :root[data-theme="noir"] {
    --bg-canvas: #0E1117; /* Slate dark */
    --bg-window: #161B22;
    --border-color: #F3F4F6;
    --text-primary: #F3F4F6;
    --text-muted: #9CA3AF;
    --shadow-color: #000000;
    --bg-grid: #1F2937;
    
    /* Accents - Dark Mode */
    --color-accent-lime: #ADFA1D;   /* Bright lime */
    --color-accent-cyan: #38BDF8;
    --color-accent-coral: #FB7185;
    --color-accent-yellow: #FACC15;
    --color-accent-purple: #D8B4FE;
    
    --color-hover-lime: #82D100;
    --color-hover-cyan: #0EA5E9;
    --color-hover-coral: #F43F5E;
    --color-hover-yellow: #EAB308;
    --color-hover-purple: #C084FC;
    
    --win-close: #FF5F56;
    --win-minimize: #FFBD2E;
    --win-maximize: #27C93F;
    --terminal-bg: #0B0E14;
    --terminal-text: #E5E7EB;
    --terminal-accent: #ADFA1D;
  }

  body {
    background-color: var(--bg-canvas);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    padding: 0;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
    
    /* Desktop pattern background */
    background-image: 
      radial-gradient(var(--bg-grid) 15%, transparent 15%),
      radial-gradient(var(--bg-grid) 15%, transparent 15%);
    background-size: 20px 20px;
    background-position: 0 0, 10px 10px;
  }

  h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 800;
    letter-spacing: -0.02em;
    text-transform: uppercase;
  }

  a {
    color: var(--text-primary);
    text-decoration: none;
    transition: transform 0.1s ease, box-shadow 0.1s ease;
  }

  /* Custom Selection styling */
  ::selection {
    background-color: var(--color-accent-lime);
    color: #1A1A1A;
  }

  /* Scrollbar configuration */
  body {
    scrollbar-color: var(--border-color) var(--bg-canvas);
    scrollbar-width: auto;
  }

  ::-webkit-scrollbar {
    width: 12px;
    height: 12px;
  }

  ::-webkit-scrollbar-track {
    background: var(--bg-canvas);
    border-left: var(--border-width) solid var(--border-color);
  }

  ::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border: 2px solid var(--bg-canvas);
    border-radius: 4px;
  }
}

@layer theme {
  /* Theme classes and general helper tokens */
  .bg-neon-green { background-color: var(--color-accent-lime) !important; color: #1A1A1A !important; }
  .bg-cyan       { background-color: var(--color-accent-cyan) !important; color: #1A1A1A !important; }
  .bg-coral      { background-color: var(--color-accent-coral) !important; color: #1A1A1A !important; }
  .bg-yellow     { background-color: var(--color-accent-yellow) !important; color: #1A1A1A !important; }
  .bg-purple     { background-color: var(--color-accent-purple) !important; color: #1A1A1A !important; }
  
  .highlight-cyan {
    color: var(--color-accent-cyan);
    text-shadow: 2px 2px 0px var(--shadow-color);
  }
  
  .highlight-yellow {
    color: var(--color-accent-yellow);
    font-weight: bold;
  }
  
  .card-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 800;
    padding: 0.2rem 0.5rem;
    border: var(--border-width-thin) solid var(--border-color);
    background-color: var(--color-accent-yellow);
    color: #1A1A1A;
    align-self: flex-start;
    margin-bottom: 1rem;
    text-transform: uppercase;
  }
}

@layer components {
  /* OS Header Styling */
  .os-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--bg-window);
    border-bottom: var(--border-width) solid var(--border-color);
    padding: 0.75rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
  }

  .os-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
  }

  .logo-pixel {
    background-color: var(--border-color);
    color: var(--bg-window);
    padding: 0.1rem 0.4rem;
    border-radius: 2px;
  }

  .logo-subtitle {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: normal;
    color: var(--text-muted);
  }

  .os-nav {
    display: flex;
    gap: 0.5rem;
  }

  .nav-item {
    font-weight: 700;
    font-size: 0.85rem;
    padding: 0.4rem 0.8rem;
    border: var(--border-width-thin) transparent solid;
    border-radius: var(--border-radius);
  }

  .nav-item:hover {
    background-color: var(--color-accent-lime);
    color: #1A1A1A;
    border-color: var(--border-color);
    transform: translate(-2px, -2px);
    box-shadow: 2px 2px 0px var(--border-color);
  }

  .nav-item.active {
    background-color: var(--border-color);
    color: var(--bg-window);
    border-color: var(--border-color);
  }
  
  :root[data-theme="noir"] .nav-item.active {
    background-color: var(--border-color);
    color: var(--text-primary);
  }

  .os-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
  }

  .status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 700;
  }

  .status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    display: inline-block;
  }

  .status-dot.green { background-color: #22C55E; }
  .status-dot.yellow { background-color: #EAB308; }

  .theme-toggle-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.4rem 0.8rem;
    background-color: var(--bg-window);
    border: var(--border-width-thin) solid var(--border-color);
    box-shadow: 3px 3px 0px var(--border-color);
    transition: transform 0.1s, box-shadow 0.1s;
  }

  .theme-toggle-btn:hover {
    transform: translate(-1px, -1px);
    box-shadow: 4px 4px 0px var(--border-color);
  }

  .theme-toggle-btn:active {
    transform: translate(2px, 2px);
    box-shadow: 1px 1px 0px var(--border-color);
  }

  /* Desktop Canvas & Grid */
  .desktop-canvas {
    flex: 1;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    position: relative;
  }

  .desktop-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 2rem;
    align-items: start;
  }

  .grid-column {
    display: flex;
    flex-direction: column;
    gap: 2rem;
  }

  /* Window Box Panels */
  .window-card {
    background-color: var(--bg-window);
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--shadow-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.3s ease;
  }

  .window-header {
    background-color: var(--bg-canvas);
    border-bottom: var(--border-width) solid var(--border-color);
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    user-select: none;
    transition: background-color 0.3s ease;
  }

  .window-controls {
    display: flex;
    gap: 0.35rem;
  }

  .win-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 1.5px solid var(--border-color);
    display: inline-block;
  }

  .win-btn.close { background-color: var(--win-close); }
  .win-btn.minimize { background-color: var(--win-minimize); }
  .win-btn.maximize { background-color: var(--win-maximize); }

  .window-title {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    flex: 1;
    text-align: center;
    margin-right: 48px; /* Offset the window dots to center title */
  }

  .window-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
  }

  /* Buttons Styling (Neobrutalism offset clicks) */
  .btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    font-family: var(--font-heading);
    font-weight: 800;
    text-transform: uppercase;
    font-size: 0.9rem;
    padding: 0.75rem 1.25rem;
    border: var(--border-width) solid var(--border-color);
    position: relative;
    text-align: center;
    cursor: pointer;
    transition: transform 0.1s ease, box-shadow 0.1s ease, background-color 0.2s ease;
  }

  .btn-primary {
    background-color: var(--color-accent-lime);
    color: #1A1A1A;
    box-shadow: 4px 4px 0px var(--border-color);
  }

  .btn-primary:hover {
    background-color: var(--color-hover-lime);
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px var(--border-color);
  }

  .btn-primary:active {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0px var(--border-color);
  }

  .btn-secondary {
    background-color: var(--bg-window);
    color: var(--text-primary);
    box-shadow: 4px 4px 0px var(--border-color);
  }

  .btn-secondary:hover {
    background-color: var(--color-accent-cyan);
    color: #1A1A1A;
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px var(--border-color);
  }

  .btn-secondary:active {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0px var(--border-color);
  }

  .btn-block {
    display: flex;
    width: 100%;
  }

  /* Welcome Card Specifics */
  .hero-title {
    font-size: 2.2rem;
    line-height: 1.1;
    margin-bottom: 1rem;
    text-wrap: balance;
  }

  .hero-bio {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    text-wrap: pretty;
  }

  .social-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
  }

  /* Skills / Tools Panel specific */
  .section-subtitle {
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
  }

  .skills-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
  }

  .skill-item {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
  }

  .skill-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    font-weight: 700;
  }

  .skill-track {
    background-color: var(--bg-canvas);
    border: var(--border-width-thin) solid var(--border-color);
    height: 14px;
    padding: 1px;
    overflow: hidden;
    position: relative;
  }

  .skill-bar {
    height: 100%;
    border-right: var(--border-width-thin) solid var(--border-color);
  }

  .terminal-hint {
    margin-top: 1.5rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    padding-top: 1rem;
    border-top: var(--border-width-thin) dashed var(--border-color);
  }
  
  .hint-symbol {
    color: var(--color-accent-coral);
    font-weight: bold;
  }

  /* Synth Pad Widget Styles */
  .synth-dials {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    border-bottom: var(--border-width-thin) solid var(--border-color);
    padding-bottom: 1.5rem;
  }

  .dial-container {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 0.75rem;
  }

  .dial-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
  }

  /* Custom styling for volume/octave sliders */
  .dial-wrapper input[type="range"] {
    appearance: none;
    -webkit-appearance: none;
    width: 100%;
    background: var(--bg-canvas);
    border: var(--border-width-thin) solid var(--border-color);
    height: 16px;
    outline: none;
  }

  .dial-wrapper input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    -webkit-appearance: none;
    width: 12px;
    height: 20px;
    background: var(--color-accent-coral);
    border: var(--border-width-thin) solid var(--border-color);
    cursor: pointer;
  }

  .dial-wrapper input[type="range"]::-moz-range-thumb {
    width: 12px;
    height: 20px;
    background: var(--color-accent-coral);
    border: var(--border-width-thin) solid var(--border-color);
    cursor: pointer;
  }

  .dial-val {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: normal;
    color: var(--text-muted);
    margin-top: 0.15rem;
  }

  .select-wrapper select {
    appearance: none;
    width: 100%;
    background: var(--bg-window);
    color: var(--text-primary);
    border: var(--border-width-thin) solid var(--border-color);
    padding: 0.25rem 0.5rem;
    outline: none;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.75rem;
  }

  /* Synth Grid (Pads layout) */
  .synth-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    margin-bottom: 1rem;
  }

  .synth-pad {
    aspect-ratio: 1;
    border: var(--border-width-thin) solid var(--border-color);
    background-color: var(--bg-canvas);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    position: relative;
    box-shadow: 3px 3px 0px var(--border-color);
    transition: transform 0.05s, box-shadow 0.05s, background-color 0.1s;
  }

  .synth-pad:hover {
    background-color: var(--bg-window);
    transform: translate(-1px, -1px);
    box-shadow: 4px 4px 0px var(--border-color);
  }

  /* Visual keys played state (triggers from js) */
  .synth-pad.playing {
    transform: translate(2px, 2px) !important;
    box-shadow: 1px 1px 0px var(--border-color) !important;
  }
  
  /* Colored pads during active sounds */
  .synth-pad.pad-c.playing,
  .synth-pad.pad-e.playing,
  .synth-pad.pad-gs.playing,
  .synth-pad.pad-c-oct.playing {
    background-color: var(--color-accent-lime);
    color: #1A1A1A;
  }

  .synth-pad.pad-cs.playing,
  .synth-pad.pad-f.playing,
  .synth-pad.pad-a.playing,
  .synth-pad.pad-cs-oct.playing {
    background-color: var(--color-accent-cyan);
    color: #1A1A1A;
  }

  .synth-pad.pad-d.playing,
  .synth-pad.pad-fs.playing,
  .synth-pad.pad-as.playing,
  .synth-pad.pad-d-oct.playing {
    background-color: var(--color-accent-coral);
    color: #1A1A1A;
  }

  .synth-pad.pad-ds.playing,
  .synth-pad.pad-g.playing,
  .synth-pad.pad-b.playing,
  .synth-pad.pad-ds-oct.playing {
    background-color: var(--color-accent-yellow);
    color: #1A1A1A;
  }

  .synth-instruction {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-align: center;
    padding-top: 0.5rem;
  }

  /* Terminal Window Console styling */
  .terminal-body {
    background-color: var(--terminal-bg);
    color: var(--terminal-text);
    padding: 1.25rem;
    font-family: var(--font-body);
    font-size: 0.85rem;
    border-top: none;
    height: 250px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }

  .terminal-output {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-bottom: 0.75rem;
    scrollbar-color: var(--terminal-text) var(--terminal-bg);
  }

  .terminal-output .line {
    word-break: break-all;
  }

  .terminal-input-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 0.75rem;
  }

  .terminal-input-row .prompt {
    color: var(--terminal-accent);
    font-weight: bold;
    white-space: nowrap;
  }

  .terminal-input-row input {
    background: transparent;
    border: none;
    color: var(--terminal-text);
    outline: none;
    flex: 1;
    font-family: var(--font-body);
    font-size: 0.85rem;
  }

  /* Project items grid and layout */
  .projects-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
  }

  .project-item {
    border: var(--border-width) solid var(--border-color);
    padding: 1.25rem;
    box-shadow: 4px 4px 0px var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    background-color: var(--bg-window);
    transition: transform 0.15s, box-shadow 0.15s;
  }

  .project-item:hover {
    transform: translate(-3px, -3px);
    box-shadow: 7px 7px 0px var(--border-color);
  }

  .project-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    font-weight: 700;
  }

  .project-name {
    font-size: 1.25rem;
    margin: 0.1rem 0;
  }

  .project-desc {
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--text-muted);
  }

  .project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin: 0.25rem 0 0.5rem;
  }

  .project-tags span {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.1rem 0.4rem;
    border: 1px solid var(--border-color);
    background-color: var(--bg-canvas);
    border-radius: 2px;
  }

  .project-link {
    font-weight: 800;
    font-size: 0.8rem;
    align-self: flex-start;
    padding: 0.35rem 0.75rem;
    border: var(--border-width-thin) solid var(--border-color);
    box-shadow: 3px 3px 0px var(--border-color);
    background-color: var(--bg-window);
  }

  .project-link:hover {
    transform: translate(-1px, -1px);
    box-shadow: 4px 4px 0px var(--border-color);
  }

  .project-link:active {
    transform: translate(2px, 2px);
    box-shadow: 1px 1px 0px var(--border-color);
  }

  /* Color variant blocks for projects */
  .item-coral  { border-left: 10px solid var(--color-accent-coral); }
  .item-cyan   { border-left: 10px solid var(--color-accent-cyan); }
  .item-lime   { border-left: 10px solid var(--color-accent-lime); }

  /* Score Clicker Game Widget */
  .game-score-panel {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-weight: 800;
    font-size: 0.8rem;
    background-color: var(--border-color);
    color: var(--bg-window);
    padding: 0.2rem 0.5rem;
    border-radius: 2px;
    margin-right: 1rem;
  }
  
  :root[data-theme="noir"] .game-score-panel {
    color: var(--text-primary);
  }

  .score-num {
    color: var(--color-accent-lime);
    font-family: var(--font-body);
  }

  .game-content {
    padding: 0;
    position: relative;
    border-top: none;
  }

  .game-play-area {
    background-color: var(--bg-canvas);
    height: 180px;
    position: relative;
    overflow: hidden;
    transition: background-color 0.3s ease;
  }

  .game-start-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(26, 26, 26, 0.05);
    backdrop-filter: blur(1px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    text-align: center;
    gap: 0.75rem;
  }
  
  :root[data-theme="noir"] .game-start-overlay {
    background-color: rgba(0, 0, 0, 0.4);
  }

  .game-tip {
    font-size: 0.7rem;
    color: var(--text-muted);
    max-width: 80%;
  }

  .squash-bug {
    position: absolute;
    font-size: 1.5rem;
    cursor: pointer;
    user-select: none;
    animation: bug-float 3s infinite linear;
    transition: transform 0.1s ease;
  }

  .squash-bug:active {
    transform: scale(0.8);
  }

  /* Bug Floating animation */
  @keyframes bug-float {
    0% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-10px) rotate(5deg); }
    50% { transform: translateY(0) rotate(0deg); }
    75% { transform: translateY(10px) rotate(-5deg); }
    100% { transform: translateY(0) rotate(0deg); }
  }

  /* Contact Section Container */
  .contact-section {
    grid-column: 1 / -1; /* Stretch across all columns */
    padding: 0 2rem 2rem;
  }

  .contact-card {
    container-type: inline-size;
  }

  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 2rem;
  }

  .contact-info-panel {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    border-right: var(--border-width) dashed var(--border-color);
    padding-right: 2rem;
  }

  .contact-title {
    font-size: 1.75rem;
  }

  .contact-desc {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-muted);
  }

  .contact-avatar-container {
    margin: 1rem 0;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: var(--border-width) solid var(--border-color);
    background-color: var(--color-accent-lime);
    box-shadow: 4px 4px 0px var(--border-color);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    align-self: flex-start;
    transition: transform 0.2s, box-shadow 0.2s;
  }

  .contact-avatar-container:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px var(--border-color);
  }

  .contact-avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .contact-details {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
  }

  .detail-row {
    display: flex;
    font-size: 0.85rem;
  }

  .detail-label {
    font-weight: 800;
    width: 80px;
  }

  .email-link {
    text-decoration: underline;
    font-weight: 700;
  }

  /* Form and Input Elements with Custom Validity */
  .contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
  }

  .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
  }

  .form-group label {
    font-weight: 700;
    font-size: 0.8rem;
  }

  .form-input {
    width: 100%;
    border: var(--border-width-thin) solid var(--border-color);
    padding: 0.65rem 0.85rem;
    background-color: var(--bg-canvas);
    color: var(--text-primary);
    outline: none;
    font-family: var(--font-body);
    font-size: 0.85rem;
    transition: background-color 0.2s ease, border-color 0.2s ease;
  }

  .form-input:focus {
    background-color: var(--bg-window);
    border-color: var(--text-primary);
  }

  /* Modern User Validation Styling (from guidance) */
  .form-input:user-invalid {
    border-color: var(--color-accent-coral);
    background-color: color-mix(in oklab, var(--color-accent-coral) 8%, var(--bg-canvas));
  }

  .form-input:user-valid {
    border-color: #22C55E;
    background-color: color-mix(in oklab, #22C55E 6%, var(--bg-canvas));
  }

  .form-status {
    font-size: 0.8rem;
    font-weight: 700;
    margin-top: 0.5rem;
  }

  .form-status.success { color: #22C55E; }
  .form-status.error { color: var(--color-accent-coral); }

  /* Footer Styling */
  .os-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--bg-window);
    border-top: var(--border-width) solid var(--border-color);
    padding: 0.75rem 1.5rem;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-muted);
    user-select: none;
    margin-top: auto;
  }
}

@layer utilities {
  /* Container Query responsive layout for contact grid */
  @container (max-width: 768px) {
    .contact-grid {
      grid-template-columns: 1fr;
    }
    
    .contact-info-panel {
      border-right: none;
      border-bottom: var(--border-width) dashed var(--border-color);
      padding-right: 0;
      padding-bottom: 1.5rem;
    }
  }

  /* Responsive styling for desktop columns */
  @media (max-width: 1024px) {
    .desktop-grid {
      grid-template-columns: 1fr;
      gap: 1.5rem;
      padding: 1.5rem;
    }
    
    .os-header {
      padding: 0.75rem 1rem;
    }
    
    .os-logo .logo-subtitle {
      display: none;
    }
    
    .os-nav {
      gap: 0.25rem;
    }
    
    .nav-item {
      padding: 0.3rem 0.5rem;
      font-size: 0.75rem;
    }
    
    .os-actions {
      gap: 0.75rem;
    }
    
    .status-indicator {
      display: none; /* Hide status text on small tablet/mobile */
    }
    
    .contact-section {
      padding: 0 1.5rem 1.5rem;
    }
  }

  @media (max-width: 480px) {
    .os-header {
      flex-direction: column;
      gap: 0.75rem;
      padding: 0.75rem;
    }
    
    .os-actions {
      width: 100%;
      justify-content: space-between;
    }
    
    .theme-toggle-btn {
      width: 100%;
      justify-content: center;
    }
    
    .desktop-grid {
      padding: 1rem 0.75rem;
      gap: 1.25rem;
    }
    
    .hero-title {
      font-size: 1.8rem;
    }
    
    .window-content {
      padding: 1rem;
    }
    
    .social-links {
      grid-template-columns: 1fr;
      gap: 0.5rem;
    }
    
    .synth-dials {
      grid-template-columns: 1fr;
      gap: 1rem;
    }
    
    .synth-grid {
      grid-template-columns: repeat(4, 1fr);
      gap: 0.5rem;
    }
    
    .contact-section {
      padding: 0 0.75rem 1.25rem;
    }
    
    .os-footer {
      flex-direction: column;
      gap: 0.5rem;
      text-align: center;
      padding: 1rem;
    }
  }
}