:root {
    --bg: #0f0e0e;
    --surface: #1a1918;
    --surface-raised: #242220;
    --border: #2e2c29;
    --text: #e8e0d4;
    --text-muted: #b5ada5;
    --accent-warm: #d4874d;
    --accent-gold: #c9a84c;
    --accent-red: #c45c4a;
    --accent-blue: #5b8a9a;
    --accent-green: #6a9a5b;
    --accent-purple: #8a6ab5;
    --nav-h: 52px;
    --shadow: rgba(0,0,0,0.5);
  }
  body.light {
    --bg: #f5f2ed;
    --surface: #eae6df;
    --surface-raised: #dfd9d0;
    --border: #cdc5b9;
    --text: #2a2520;
    --text-muted: #554d44;
    --accent-warm: #b56e35;
    --accent-gold: #9a7e2e;
    --accent-red: #a84535;
    --accent-blue: #3d6d7d;
    --accent-green: #4a7a3d;
    --accent-purple: #6b4a96;
    --shadow: rgba(0,0,0,0.12);
  }
  body.light .tag-register { background: rgba(181,110,53,0.12); }
  body.light .tag-effect { background: rgba(107,74,150,0.12); }
  body.light .tag-style { background: rgba(61,109,125,0.12); }
  body.light .tag-ornament { background: rgba(74,122,61,0.12); }
  body.light .tag-dynamics { background: rgba(168,69,53,0.12); }
  body.light .exercise { background: var(--surface); }
  body.light .danger-note { background: rgba(168,69,53,0.06); }
  body.light .footer .warning { background: rgba(168,69,53,0.06); border-color: rgba(168,69,53,0.25); }
  body.light .yt-link { background: rgba(168,69,53,0.06); border-color: rgba(168,69,53,0.2); }
  body.light .yt-link:hover { background: rgba(168,69,53,0.12); }
  body.light .hero::before { background: radial-gradient(ellipse at 50% 80%, rgba(181,110,53,0.06) 0%, transparent 60%); }
  body.light .theme-btn { background: var(--surface); border: 1px solid var(--border); }

  /* === MIDNIGHT THEME === */
  body.midnight {
    --bg: #0d1420;
    --surface: #141d2e;
    --surface-raised: #1a253a;
    --border: #293548;
    --text: #d0d8e4;
    --text-muted: #8e99a8;
    --accent-warm: #d4874d;
    --accent-gold: #c9a84c;
    --accent-red: #c45c4a;
    --accent-blue: #6b9ab0;
    --accent-green: #6a9a5b;
    --accent-purple: #9a7ac5;
    --shadow: rgba(0,0,0,0.6);
  }
  body.midnight .hero::before { background: radial-gradient(ellipse at 50% 80%, rgba(107,154,176,0.08) 0%, transparent 60%); }

  /* === FOREST THEME === */
  body.forest {
    --bg: #0e150e;
    --surface: #152015;
    --surface-raised: #1c2b1c;
    --border: #2a3a2a;
    --text: #d4e0d4;
    --text-muted: #9aab9a;
    --accent-warm: #d4874d;
    --accent-gold: #c9a84c;
    --accent-red: #c45c4a;
    --accent-blue: #5b8a9a;
    --accent-green: #7aaa6b;
    --accent-purple: #8a6ab5;
    --shadow: rgba(0,0,0,0.5);
  }
  body.forest .hero::before { background: radial-gradient(ellipse at 50% 80%, rgba(106,154,91,0.08) 0%, transparent 60%); }

  /* === EMBER THEME === */
  body.ember {
    --bg: #150e0a;
    --surface: #201510;
    --surface-raised: #2a1c16;
    --border: #3a2920;
    --text: #e8ddd4;
    --text-muted: #b5a595;
    --accent-warm: #e09050;
    --accent-gold: #d4b050;
    --accent-red: #d46050;
    --accent-blue: #5b8a9a;
    --accent-green: #6a9a5b;
    --accent-purple: #8a6ab5;
    --shadow: rgba(0,0,0,0.5);
  }
  body.ember .hero::before { background: radial-gradient(ellipse at 50% 80%, rgba(212,96,80,0.08) 0%, transparent 60%); }

  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: calc(48px + var(--nav-h) + 12px); }
  body {
    font-family: 'Source Sans 3', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    font-size: 1.05rem;
  }

  /* === APP BAR === */
  .app-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 48px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
  .app-bar-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--accent-warm);
  }
  .burger-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 8px 6px;
    background: none;
    border: none;
    cursor: pointer;
    border-radius: 6px;
    transition: background 0.2s;
  }
  .burger-btn:hover { background: var(--surface-raised); }
  .burger-line {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text);
    border-radius: 1px;
    transition: all 0.25s ease;
    transform-origin: center;
  }
  .burger-btn.open .burger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .burger-btn.open .burger-line:nth-child(2) { opacity: 0; }
  .burger-btn.open .burger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .burger-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 999;
    background: rgba(0,0,0,0.4);
  }
  .burger-backdrop.open { display: block; }
  .burger-menu {
    position: fixed;
    top: 48px;
    right: 0;
    z-index: 1001;
    background: var(--surface);
    border: 1px solid var(--border);
    border-top: none;
    border-radius: 0 0 12px 12px;
    box-shadow: 0 12px 40px var(--shadow);
    min-width: 220px;
    padding: 8px 0;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: all 0.2s ease;
  }
  .burger-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .burger-menu-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    font-size: 0.85rem;
    color: var(--text);
    font-weight: 500;
  }
  .burger-menu-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 16px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text);
    background: none;
    border: none;
    cursor: pointer;
    font-family: 'Source Sans 3', sans-serif;
    transition: background 0.15s;
    text-align: left;
  }
  .burger-menu-btn:hover { background: var(--surface-raised); }
  .burger-menu-btn svg { color: var(--text-muted); flex-shrink: 0; }
  .lang-toggle {
    display: flex;
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
    background: var(--surface-raised);
  }
  .theme-btn {
    padding: 6px 10px;
    font-size: 0.9rem;
    border: 1px solid var(--border);
    background: var(--surface-raised);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
    line-height: 1;
    border-radius: 6px;
  }
  .theme-btn:hover { color: var(--text); background: var(--surface-raised); }
  .lang-btn {
    padding: 5px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Source Sans 3', sans-serif;
  }
  .lang-btn.active {
    background: var(--accent-warm);
    color: var(--bg);
  }
  .lang-btn:hover:not(.active) { color: var(--text); }

  /* === SHARE MODAL === */
  .share-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    max-width: 440px;
    width: 100%;
    padding: 32px 32px 28px;
    box-shadow: 0 24px 80px rgba(0,0,0,0.5);
    position: relative;
    animation: readmeIn 0.25s ease-out;
  }
  .share-card h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.2rem;
    color: var(--accent-warm);
    margin-bottom: 18px;
  }
  .share-url-box {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
  }
  .share-url-box input {
    flex: 1;
    padding: 10px 12px;
    font-size: 0.82rem;
    font-family: 'JetBrains Mono', monospace;
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    outline: none;
    min-width: 0;
  }
  .share-url-box input:focus { border-color: var(--accent-warm); }
  .share-copy-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    font-size: 0.8rem;
    font-weight: 600;
    font-family: 'Source Sans 3', sans-serif;
    background: var(--accent-warm);
    color: var(--bg);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
    white-space: nowrap;
  }
  .share-copy-btn:hover { background: #c47a45; }
  .share-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
  }
  .share-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    font-size: 0.82rem;
    font-weight: 600;
    font-family: 'Source Sans 3', sans-serif;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s;
    flex: 1;
    justify-content: center;
    min-width: 0;
  }
  .share-email {
    background: rgba(91,138,154,0.12);
    color: var(--accent-blue);
    border: 1px solid rgba(91,138,154,0.3);
  }
  .share-email:hover { background: rgba(91,138,154,0.22); }
  .share-fb {
    background: rgba(138,106,181,0.12);
    color: var(--accent-purple);
    border: 1px solid rgba(138,106,181,0.3);
  }
  .share-fb:hover { background: rgba(138,106,181,0.22); }
  .share-bsky {
    background: rgba(91,138,154,0.12);
    color: var(--accent-blue);
    border: 1px solid rgba(91,138,154,0.3);
  }
  .share-bsky:hover { background: rgba(91,138,154,0.22); }
  .readme-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(4px);
    justify-content: center;
    align-items: flex-start;
    padding: 60px 20px 40px;
    overflow-y: auto;
  }
  .readme-overlay.open { display: flex; }
  .readme-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    max-width: 640px;
    width: 100%;
    padding: 36px 40px;
    box-shadow: 0 24px 80px rgba(0,0,0,0.5);
    position: relative;
    animation: readmeIn 0.25s ease-out;
  }
  @keyframes readmeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .readme-close {
    position: absolute;
    top: 14px;
    right: 16px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.4rem;
    cursor: pointer;
    line-height: 1;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.2s;
  }
  .readme-close:hover { color: var(--text); background: var(--surface-raised); }
  .readme-card h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.3rem;
    color: var(--accent-warm);
    margin-bottom: 16px;
  }
  .readme-card p, .readme-card li {
    font-family: 'Source Sans 3', sans-serif;
    font-size: 0.92rem;
    line-height: 1.65;
    color: var(--text);
    margin-bottom: 10px;
  }
  .readme-card ul { padding-left: 20px; margin-bottom: 14px; }
  .readme-card li { margin-bottom: 6px; }
  .readme-card .readme-section { margin-bottom: 22px; }
  .readme-card .readme-section:last-child { margin-bottom: 0; }
  .readme-card .key { 
    display: inline-block;
    background: var(--surface-raised); 
    border: 1px solid var(--border);
    border-radius: 3px; 
    padding: 1px 7px; 
    font-family: 'JetBrains Mono', monospace; 
    font-size: 0.75rem; 
    color: var(--text-muted);
  }
  .readme-chip-demo {
    display: inline-block;
    border: 1px dashed;
    border-radius: 3px;
    padding: 1px 7px;
    font-size: 0.7rem;
    font-family: 'JetBrains Mono', monospace;
  }
  .readme-chip-demo.d-register { border-color: rgba(212,135,77,0.4); color: var(--accent-warm); }
  .readme-chip-demo.d-effect { border-color: rgba(138,106,181,0.4); color: var(--accent-purple); }
  .readme-chip-demo.d-style { border-color: rgba(91,138,154,0.4); color: var(--accent-blue); }
  .readme-chip-demo.d-ornament { border-color: rgba(106,154,91,0.4); color: var(--accent-green); }
  .readme-chip-demo.d-dynamics { border-color: rgba(196,92,74,0.4); color: var(--accent-red); }

  /* Language visibility */
  [data-lang="da"] { display: none; }
  body.da [data-lang="da"] { display: revert; }
  body.da [data-lang="en"] { display: none; }

  /* === HERO === */
  .hero {
    padding: 72px 40px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
  }
  .hero::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: radial-gradient(ellipse at 50% 80%, rgba(212,135,77,0.08) 0%, transparent 60%);
    pointer-events: none;
  }
  .hero h1 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    position: relative;
  }
  .hero h1 span { color: var(--accent-warm); }
  .hero .subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-top: 12px;
    font-weight: 300;
    letter-spacing: 0.03em;
  }

  /* === STICKY NAV === */
  .sticky-nav {
    position: sticky;
    top: 48px;
    z-index: 100;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    flex-wrap: nowrap;
    overflow-x: auto;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    scrollbar-width: none;
  }
  .sticky-nav::-webkit-scrollbar { display: none; }
  .nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 4px;
    border: 1px solid transparent;
    transition: all 0.2s;
    white-space: nowrap;
  }
  .nav-link:hover {
    color: var(--text);
    border-color: var(--border);
    background: var(--surface-raised);
  }
  .nav-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
  }

  /* === CONTAINER === */
  .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
  }

  .section-header {
    padding: 40px 0 16px;
    display: flex;
    align-items: center;
    gap: 16px;
  }
  .section-header h2 {
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem;
    font-weight: 700;
    white-space: nowrap;
  }
  .section-header::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
  }
  .section-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 24px;
    max-width: 700px;
    font-weight: 300;
  }

  /* === TABLE === */
  .technique-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 48px;
  }
  .technique-table thead th {
    text-align: left;
    padding: 12px 16px;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    border-bottom: 2px solid var(--border);
    font-weight: 600;
    background: var(--bg);
  }
  .technique-table tbody tr {
    border-bottom: 1px solid var(--border);
    transition: background 0.2s;
  }
  .technique-table tbody tr:hover { background: var(--surface); }
  .technique-table td {
    padding: 16px;
    vertical-align: top;
    font-size: 0.95rem;
  }
  .technique-name {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-size: 1.1rem;
    position: relative;
  }
  .technique-name .desc-tip {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 0;
    background: var(--surface-raised);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 0.75rem;
    font-family: 'Source Sans 3', sans-serif;
    font-weight: 400;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
    box-shadow: 0 4px 16px var(--shadow);
    z-index: 50;
  }
  .technique-name .desc-tip[data-lang] { display: none; }
  .technique-name .desc-tip[data-lang="en"] { display: block; }
  body.da .technique-name .desc-tip[data-lang="en"] { display: none; }
  body.da .technique-name .desc-tip[data-lang="da"] { display: block; }
  .technique-name:hover .desc-tip { opacity: 1; }
  .tech-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 0.65rem;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
  }
  .tag-register { background: rgba(212,135,77,0.15); color: var(--accent-warm); }
  .tag-effect { background: rgba(138,106,181,0.15); color: var(--accent-purple); }
  .tag-style { background: rgba(91,138,154,0.15); color: var(--accent-blue); }
  .tag-ornament { background: rgba(106,154,91,0.15); color: var(--accent-green); }
  .tag-dynamics { background: rgba(196,92,74,0.15); color: var(--accent-red); }
  .prereq-row {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: 6px;
    align-items: center;
  }
  .prereq-chip {
    position: relative;
    display: inline-block;
    border-radius: 3px;
    padding: 2px 8px;
    font-size: 0.65rem;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.03em;
    text-decoration: none;
    transition: background 0.2s;
    border: 1px dashed;
  }
  .prereq-chip.chip-register { background: rgba(212,135,77,0.12); border-color: rgba(212,135,77,0.3); color: var(--accent-warm); }
  .prereq-chip.chip-register:hover { background: rgba(212,135,77,0.25); }
  .prereq-chip.chip-effect { background: rgba(138,106,181,0.12); border-color: rgba(138,106,181,0.3); color: var(--accent-purple); }
  .prereq-chip.chip-effect:hover { background: rgba(138,106,181,0.25); }
  .prereq-chip.chip-style { background: rgba(91,138,154,0.12); border-color: rgba(91,138,154,0.3); color: var(--accent-blue); }
  .prereq-chip.chip-style:hover { background: rgba(91,138,154,0.25); }
  .prereq-chip.chip-ornament { background: rgba(106,154,91,0.12); border-color: rgba(106,154,91,0.3); color: var(--accent-green); }
  .prereq-chip.chip-ornament:hover { background: rgba(106,154,91,0.25); }
  .prereq-chip.chip-dynamics { background: rgba(196,92,74,0.12); border-color: rgba(196,92,74,0.3); color: var(--accent-red); }
  .prereq-chip.chip-dynamics:hover { background: rgba(196,92,74,0.25); }
  .prereq-chip::before {
    content: attr(data-tip-en);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 0;
    background: var(--surface-raised);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 0.75rem;
    font-family: 'Source Sans 3', sans-serif;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
    box-shadow: 0 4px 16px var(--shadow);
    z-index: 50;
  }
  body.da .prereq-chip::before { content: attr(data-tip-da); }
  .prereq-chip:hover::before { opacity: 1; }
  .prereq-chip::after {
    content: '';
    position: absolute;
    bottom: calc(100% + 2px);
    left: 16px;
    border: 5px solid transparent;
    border-top-color: var(--border);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
  }
  .prereq-chip:hover::after { opacity: 1; }
  .artist-ref {
    font-style: italic;
    color: var(--accent-gold);
    font-size: 0.82rem;
  }
  .how-to { font-size: 0.92rem; line-height: 1.7; }
  .how-to strong { color: var(--accent-warm); font-weight: 600; }
  .exercise {
    display: inline-block;
    background: var(--surface-raised);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent-gold);
    padding: 6px 12px;
    border-radius: 0 4px 4px 0;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    color: var(--accent-gold);
    margin: 3px 0;
    line-height: 1.5;
  }
  .yt-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-red);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 10px;
    border: 1px solid rgba(196,92,74,0.3);
    border-radius: 4px;
    margin-top: 6px;
    transition: all 0.2s;
    background: rgba(196,92,74,0.05);
  }
  .yt-link:hover {
    background: rgba(196,92,74,0.15);
    border-color: var(--accent-red);
  }
  .yt-svg { width: 14px; height: 14px; fill: var(--accent-red); flex-shrink: 0; }
  .difficulty { display: flex; gap: 3px; margin-top: 10px; }
  .diff-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--border); }
  .diff-dot.active { background: var(--accent-warm); }
  .danger-note {
    font-size: 0.78rem;
    color: var(--accent-red);
    margin-top: 10px;
    padding: 6px 10px;
    border-left: 3px solid var(--accent-red);
    border-radius: 0 4px 4px 0;
    background: rgba(196,92,74,0.05);
  }
  .footer {
    padding: 40px;
    text-align: center;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.8rem;
  }
  .footer .warning {
    max-width: 600px;
    margin: 0 auto 16px;
    padding: 16px;
    border: 1px solid rgba(196,92,74,0.3);
    border-radius: 6px;
    background: rgba(196,92,74,0.05);
    color: var(--accent-red);
    font-size: 0.85rem;
  }
  /* === MOBILE STYLES === */
  @media (max-width: 768px) {
    /* Prevent horizontal scroll globally — use clip instead of hidden to preserve sticky positioning */
    html, body {
      overflow-x: clip;
      max-width: 100vw;
    }

    /* Ensure all text can wrap */
    * {
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    /* Hero section adjustments */
    .hero {
      padding: 64px 16px 24px;
    }
    .hero h1 {
      font-size: 1.6rem;
    }
    .hero .subtitle {
      font-size: 0.85rem;
      padding: 0 8px;
    }

    /* Sticky nav - horizontal scrollable */
    .sticky-nav {
      padding: 8px 12px;
      gap: 4px;
      justify-content: flex-start;
      -webkit-overflow-scrolling: touch;
    }
    .nav-link {
      padding: 6px 10px;
      font-size: 0.72rem;
    }

    /* Container */
    .container {
      padding: 0 12px;
    }

    /* Section headers */
    .section-header {
      padding: 24px 0 12px;
    }
    .section-header h2 {
      font-size: 1.2rem;
    }
    .section-desc {
      font-size: 0.85rem;
      margin-bottom: 16px;
    }

    /* Hide table header on mobile */
    .technique-table thead {
      display: none;
    }

    /* Transform table into accordion */
    .technique-table {
      display: block;
      overflow: visible;
      margin-bottom: 24px;
    }
    .technique-table tbody {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    /* Accordion item (row) */
    .technique-table tbody tr {
      display: block;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 10px;
      overflow: hidden;
    }

    /* All cells hidden by default */
    .technique-table td {
      display: none;
      padding: 0;
      width: 100% !important;
      min-width: 0 !important;
      border: none;
    }

    /* First cell (header) always visible - acts as accordion trigger */
    .technique-table td:first-child {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 14px 16px;
      cursor: pointer;
      -webkit-tap-highlight-color: transparent;
    }

    /* Accordion chevron */
    .technique-table td:first-child::after {
      content: '';
      margin-left: auto;
      width: 20px;
      height: 20px;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%239a9189' stroke-width='2'%3E%3Cpath d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
      background-size: contain;
      background-repeat: no-repeat;
      transition: transform 0.2s;
      flex-shrink: 0;
    }

    /* Expanded state */
    .technique-table tbody tr.accordion-open td:first-child::after {
      transform: rotate(180deg);
    }

    .technique-table tbody tr.accordion-open {
      border-color: var(--accent-warm);
    }

    .technique-table tbody tr.accordion-open td {
      display: block;
    }

    /* Accordion content cells */
    .technique-table tbody tr.accordion-open td:nth-child(2),
    .technique-table tbody tr.accordion-open td:nth-child(3),
    .technique-table tbody tr.accordion-open td:nth-child(4),
    .technique-table tbody tr.accordion-open td:nth-child(5) {
      padding: 12px 16px;
      border-top: 1px solid var(--border);
    }

    .technique-table tbody tr.accordion-open td:nth-child(4) {
      background: var(--surface-raised);
      padding: 16px 16px 20px;
    }

    /* Mobile labels */
    .technique-table td:nth-child(2)::before {
      content: 'Character';
      display: block;
      font-size: 0.68rem;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: var(--text-muted);
      margin-bottom: 4px;
      font-weight: 600;
    }
    body.da .technique-table td:nth-child(2)::before {
      content: 'Karakter';
    }
    .technique-table td:nth-child(3)::before {
      content: 'Famous Examples';
      display: block;
      font-size: 0.68rem;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: var(--text-muted);
      margin-bottom: 4px;
      font-weight: 600;
    }
    body.da .technique-table td:nth-child(3)::before {
      content: 'Kendte eksempler';
    }
    .technique-table td:nth-child(4)::before {
      content: 'How To';
      display: block;
      font-size: 0.68rem;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: var(--text-muted);
      margin-bottom: 8px;
      font-weight: 600;
    }
    body.da .technique-table td:nth-child(4)::before {
      content: 'Sådan Gør Du';
    }

    /* Technique name styling */
    .technique-name {
      font-size: 1rem;
      margin-top: 0;
    }
    .tech-tag {
      font-size: 0.55rem;
      flex-shrink: 0;
    }

    /* Prerequisites row - show inline in header */
    .prereq-row {
      display: none;
    }
    .technique-table tbody tr.accordion-open .prereq-row {
      display: flex;
      flex-wrap: wrap;
      margin-top: 8px;
    }
    .prereq-chip {
      font-size: 0.6rem;
      padding: 3px 6px;
    }

    /* Hide tooltips on mobile */
    .prereq-chip::before,
    .prereq-chip::after,
    .technique-name .desc-tip {
      display: none !important;
    }

    /* How-to section */
    .how-to {
      font-size: 0.9rem;
      line-height: 1.75;
    }
    /* Hide <br> before exercises — block display makes them redundant */
    .how-to [data-lang] br {
      display: none;
    }
    .technique-table td.how-to .exercise {
      display: block;
      font-size: 0.82rem;
      margin: 8px 0;
      padding: 10px 14px;
      background: var(--bg);
      border: 1px solid var(--border);
      border-left: 3px solid var(--accent-gold);
      border-radius: 0 6px 6px 0;
      line-height: 1.5;
    }

    /* Difficulty dots */
    .difficulty {
      margin-top: 16px;
      padding-top: 12px;
      border-top: 1px solid var(--border);
    }

    /* Danger notes */
    .danger-note {
      font-size: 0.78rem;
      margin-top: 12px;
      padding: 8px 12px;
    }

    /* Artist references */
    .artist-ref {
      font-size: 0.82rem;
      display: block;
      line-height: 1.5;
    }

    /* YouTube link */
    .yt-link {
      font-size: 0.78rem;
      width: 100%;
      justify-content: center;
      padding: 10px;
    }

    /* Readme modal adjustments */
    .readme-overlay {
      padding: 0;
      align-items: stretch;
    }
    .readme-card {
      max-width: 100%;
      border-radius: 0;
      padding: 20px 16px 40px;
      min-height: 100dvh;
      overflow-y: auto;
    }
    .readme-close {
      position: sticky;
      top: 0;
      float: right;
      font-size: 1.6rem;
      padding: 8px 12px;
      background: var(--surface);
      z-index: 10;
      margin: -20px -16px 8px 0;
    }
    .readme-card h3 {
      font-size: 1.1rem;
    }
    .readme-card p, .readme-card li {
      font-size: 0.85rem;
    }

    /* Footer */
    .footer {
      padding: 24px 16px;
    }
    .footer .warning {
      font-size: 0.8rem;
      padding: 12px;
    }
  }

  /* === INSTALL POPUP === */
  .install-popup-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    justify-content: center;
    align-items: center;
    padding: 20px;
  }
  .install-popup-overlay.open { display: flex; }
  .install-popup {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    max-width: 380px;
    width: 100%;
    padding: 32px 28px;
    box-shadow: 0 24px 80px rgba(0,0,0,0.5);
    text-align: center;
    animation: readmeIn 0.25s ease-out;
  }
  .install-popup h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.2rem;
    color: var(--accent-warm);
    margin-bottom: 10px;
  }
  .install-popup p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.5;
  }
  .install-popup-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
  }
  .install-popup-actions button {
    padding: 10px 22px;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    font-family: 'Source Sans 3', sans-serif;
    transition: all 0.2s;
  }
  .install-popup-install {
    background: var(--accent-warm);
    color: var(--bg);
    border: 1px solid var(--accent-warm);
  }
  .install-popup-install:hover { background: #c47a45; }
  .install-popup-dismiss {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border);
  }
  .install-popup-dismiss:hover { color: var(--text); background: var(--surface-raised); }

  /* Hide mobile nav on desktop */
  .mobile-nav {
    display: none;
  }