/* 萌神小天博客共享样式表 */
  @import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&display=swap');

  /* ====== CSS Variables ====== */
  :root {
    --bg: #faf8f5;
    --bg-hero: #faf5f0;
    --surface: #ffffff;
    --surface-hover: #fff5f3;
    --surface-alt: #faf8f5;
    --text: #4a3646;
    --text-heading: #2d1a2a;
    --text-muted: #6a5a68;
    --text-secondary: #8a7a88;
    --text-faint: #b8a8b4;
    --brand: #ff6b8a;
    --brand-light: #ff8da5;
    --brand-soft: #ffecf2;
    --brand-ghost: #fff5f8;
    --accent: #98e4b0;
    --accent-light: #b0f0c2;
    --accent-soft: #e0faea;
    --accent-ghost: #f0fdf4;
    --border: #f0e5e0;
    --border-light: #f8f2f0;
    --divider-color: #ebe0d8;
    --focus-ring: rgba(255,107,138,0.3);
    --shadow-sm: 0 1px 3px rgba(100,80,80,0.10);
    --shadow: 0 2px 8px rgba(100,80,80,0.12);
    --shadow-md: 0 4px 16px rgba(100,80,80,0.15);
    --shadow-lg: 0 8px 32px rgba(100,80,80,0.18);
    --radius-sm: 8px;
    --radius: 14px;
    --radius-lg: 20px;
    --transition: 0.2s ease;
    --transition-slow: 0.35s ease;
    --content-width: 680px;
    --code-bg: #faf8f5;
    --code-border: #ffecf2;
    --kbd-bg: #faf8f5;
    --kbd-border: #ebe0d8;
    --font-mono: 'SF Mono','Fira Code','Consolas',monospace;
    --tag-bg: #ffecf2;
    --tag-text: #ff6b8a;
    --table-stripe: #faf8f5;
    --scrollbar-thumb: #e8d5d8;
    --scrollbar-track: #faf8f5;
    --sidebar-width: 300px;
    /* ====== Tag Color System (Light) — pastel candy ====== */
    --c-blue:       #ff6b8a;  --c-blue-bg:    #ffecf2;
    --c-green:      #98e4b0;  --c-green-bg:    #e0faea;
    --c-purple:     #c4a0e8;  --c-purple-bg:   #f2e8fc;
    --c-orange:     #ffae80;  --c-orange-bg:   #fff0e6;
    --c-red:        #ff8a98;  --c-red-bg:      #ffe8ec;
    --c-teal:       #80d4c8;  --c-teal-bg:     #e0f8f4;
    --c-cyan:       #80c8e0;  --c-cyan-bg:     #e4f4fa;
    --c-amber:      #ffeaa7;  --c-amber-bg:    #fffce8;
    --c-indigo:     #b0a0e0;  --c-indigo-bg:   #eee8fa;
    --c-rose:       #ff90a8;  --c-rose-bg:     #ffeaf0;
    --c-default:    #ff6b8a;  --c-default-bg:  #ffecf2;

  }

  /* ====== Dark Mode ====== */
  [data-theme="dark"] {
    --bg: #2d1b2e;
    --bg-hero: #28192a;
    --surface: #352238;
    --surface-hover: #3d2840;
    --surface-alt: #301e34;
    --text: #e8dce8;
    --text-heading: #e8dce8;
    --text-muted: #a898aa;
    --text-faint: #7e6e80;
    --brand: #ff8da5;
    --brand-light: #ffa8ba;
    --brand-soft: #3d2030;
    --brand-ghost: #2e1a26;
    --accent: #98e4b0;
    --accent-light: #b8f0cc;
    --accent-soft: #1a3024;
    --accent-ghost: #14261c;
    --border: #3d2e40;
    --border-light: #342638;
    --divider-color: #4a3850;
    --focus-ring: rgba(255,141,165,0.5);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.30);
    --shadow: 0 2px 8px rgba(0,0,0,0.40);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.45);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.50);
    --code-bg: #261828;
    --code-border: #3d2e40;
    --kbd-bg: #2e1c30;
    --kbd-border: #4a3850;
    --table-stripe: #2a1a2c;
    --scrollbar-thumb: #5a4060;
    --scrollbar-track: #2d1b2e;
    /* ====== Tag Color System (Dark — neon pastel) ====== */
    --c-blue:       #ff8da5;  --c-blue-bg:    #3d1e2c;
    --c-green:      #98e4b0;  --c-green-bg:    #1a3024;
    --c-purple:     #d0b8f0;  --c-purple-bg:   #2a2040;
    --c-orange:     #ffb090;  --c-orange-bg:   #3d2818;
    --c-red:        #ff9aaa;  --c-red-bg:      #3d1e24;
    --c-teal:       #90e0d8;  --c-teal-bg:     #1a302c;
    --c-cyan:       #90d8f0;  --c-cyan-bg:     #1a2a36;
    --c-amber:      #ffeaa7;  --c-amber-bg:    #3d3810;
    --c-indigo:     #c0b0f0;  --c-indigo-bg:   #262040;
    --c-rose:       #ffa0b8;  --c-rose-bg:     #3d1e28;
    --c-default:    #ff8da5;  --c-default-bg: #3d1e2c;

  }

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

  html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
  }

  ::-webkit-scrollbar { width: 6px; }
  ::-webkit-scrollbar-track { background: var(--scrollbar-track); }
  ::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 3px; }

  body {
    background: var(--bg);
    color: var(--text);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background var(--transition-slow), color var(--transition-slow);
  }

  .mono { font-family: "JetBrains Mono", "Fira Code", "SF Mono", monospace; }

  /* ====== Skip Link (Accessibility) ====== */
  .skip-link {
    position: fixed;
    top: -100%;
    left: 16px;
    z-index: 9999;
    background: var(--brand);
    color: #fff;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: top 0.2s ease;
  }
  .skip-link:focus {
    top: 12px;
    outline: 2px solid var(--focus-ring);
    outline-offset: 2px;
  }

  /* ====== Global Focus-Visible ====== */
  :focus-visible {
    outline: 2px solid var(--focus-ring);
    outline-offset: 2px;
    border-radius: 3px;
  }

  button:focus-visible,
  a:focus-visible,
  input:focus-visible,
  textarea:focus-visible,
  [tabindex]:focus-visible {
    outline: 2px solid var(--focus-ring);
    outline-offset: 2px;
    border-radius: 3px;
  }

  /* Suppress focus ring for mouse clicks */
  :focus:not(:focus-visible) {
    outline: none;
  }

  /* ====== Reading Progress Bar ====== */
  #progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--brand), #ffb0c8, var(--accent), var(--c-amber));
    z-index: 2000;
    width: 0%;
    transition: width 0.15s linear;
    border-radius: 0 2px 2px 0;
    will-change: width;
  }

  /* ====== Layout ====== */
  .layout {
    display: flex;
    min-height: 100vh;
    max-width: 1280px;
    margin: 0 auto;
  }

  /* ====== Sidebar ====== */
  .sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background: var(--surface);
    border-right: 1px solid var(--border);
    padding: 32px 20px 24px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    transition: background var(--transition-slow), border-color var(--transition-slow);
    z-index: 100;
  }

  .sidebar-header {
    margin-bottom: 22px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
  }

  .sidebar-header-left a {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-heading);
    text-decoration: none;
    letter-spacing: -0.5px;
    transition: color var(--transition);
  }
  .sidebar-header-left a:hover { color: var(--brand); }

  .sidebar-header-left p {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 3px;
    letter-spacing: 0.02em;
  }

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

  .header-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-faint);
    font-size: 0.88rem;
    padding: 4px 6px;
    border-radius: 5px;
    font-family: "JetBrains Mono", monospace;
    transition: all var(--transition);
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
  }
  .header-btn:hover { color: var(--brand); background: var(--brand-ghost); transform: scale(1.1); }
  .header-btn:active { transform: scale(0.95); }

  /* Search */
  .search-wrap {
    margin-bottom: 16px;
    position: relative;
  }

  .search-input {
    width: 100%;
    padding: 8px 12px 8px 34px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    font-family: system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    outline: none;
    transition: all var(--transition);
  }
  .search-input:focus {
    border-color: var(--brand);
    box-shadow: 0 0 0 3px var(--brand-soft);
  }
  .search-input::placeholder { color: var(--text-faint); }

  .search-icon {
    position: absolute;
    left: 11px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-faint);
    font-size: 0.75rem;
    pointer-events: none;
  }

  /* Admin Bar */
  .admin-bar {
    display: flex;
    gap: 6px;
    margin-bottom: 16px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
  }
  .admin-bar button {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.68rem;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: "JetBrains Mono", monospace;
    transition: all var(--transition);
  }
  .admin-bar button:hover {
    background: var(--brand-soft);
    color: var(--brand);
    border-color: var(--brand);
    transform: scale(1.03);
  }
  .admin-bar button:active { transform: scale(0.97); }

  /* ====== Tag Cloud ====== */
  .tag-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 20px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border);
  }

  .tag-btn {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.60rem;
    padding: 4px 9px;
    border-radius: 16px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    position: relative;
  }
  .tag-btn:hover {
    background: var(--tag-btn-bg-soft, var(--brand-soft));
    color: var(--tag-btn-bg, var(--brand));
    border-color: var(--tag-btn-bg, var(--brand-light));
    transform: scale(1.05);
  }
  .tag-btn:active { transform: scale(0.96); }
  .tag-btn.active {
    background: var(--tag-btn-bg, var(--brand));
    color: #fff;
    border-color: var(--tag-btn-bg, var(--brand));
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(255,107,138,0.3);
  }

  @keyframes tagPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255,107,138,0.15); }
    50% { box-shadow: 0 0 0 6px rgba(255,107,138,0); }
  }
  .tag-btn.active {
    animation: tagPulse 3s ease-in-out infinite;
  }

  /* ====== Article List ====== */
  .article-list {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
  }

  .article-list-title {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.65rem;
    color: var(--text-faint);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    margin-bottom: 12px;
    font-weight: 500;
  }

  .article-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 10px;
    border-radius: var(--radius);
    cursor: pointer;
    text-decoration: none;
    color: var(--text);
    border: 1px solid transparent;
    transition: all var(--transition);
    margin-bottom: 4px;
    position: relative;
    min-height: 44px;
  }

  .article-item:hover {
    background: var(--surface-alt);
    border-color: var(--border);
    transform: translateX(4px);
  }
  .article-item:active { transform: translateX(2px) scale(0.99); }

  .article-item.active {
    background: var(--item-accent-bg, var(--brand-ghost));
    border-color: var(--item-accent-border, var(--brand-soft));
    box-shadow: inset 3px 0 0 var(--item-accent, var(--brand));
  }

  .article-item .date-badge {
    flex-shrink: 0;
    width: 42px;
    text-align: center;
    font-family: "JetBrains Mono", monospace;
    line-height: 1.2;
    padding-top: 1px;
  }

  .article-item .date-badge .badge-month {
    font-size: 0.63rem;
    color: var(--brand);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }

  .article-item .date-badge .badge-day {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-heading);
    line-height: 1;
  }

  .article-item.active .date-badge .badge-day { color: var(--brand); }

  .article-item .item-body { flex: 1; min-width: 0; }

  .article-item .item-title {
    font-size: 0.84rem;
    line-height: 1.45;
    font-weight: 500;
    transition: color var(--transition);
  }
  .article-item.active .item-title { color: var(--brand); }

  .article-item .item-meta {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.62rem;
    color: var(--text-faint);
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .article-item .item-meta .reading-time {
    color: var(--text-faint);
    opacity: 0.75;
    font-size: 0.6rem;
  }

  .article-item .item-tags {
    display: flex;
    gap: 4px;
    margin-top: 6px;
    flex-wrap: wrap;
  }

  .article-item .item-tag {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.58rem;
    color: var(--item-tag-color, var(--brand));
    background: var(--item-tag-bg, var(--brand-soft));
    padding: 1px 7px;
    border-radius: 3px;
    font-weight: 500;
    transition: all var(--transition);
  }
  .article-item:hover .item-tag {
    background: var(--item-tag-color, var(--brand));
    color: #fff;
  }

  .article-item-actions {
    display: none;
    gap: 2px;
    margin-left: 6px;
    flex-shrink: 0;
  }
  .admin-visible .article-item-actions { display: flex; }

  .article-item-actions button {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-faint);
    font-size: 0.72rem;
    padding: 3px 5px;
    border-radius: 4px;
    transition: all var(--transition);
    line-height: 1;
    min-width: 26px;
    min-height: 26px;
  }
  .article-item-actions button:hover {
    color: var(--accent);
    background: var(--accent-soft);
    transform: scale(1.15);
  }
  .article-item-actions button:active { transform: scale(0.9); }
  .article-item-actions .btn-del:hover { color: #ff6b8a; background: #fff0f4; }

  [data-theme="dark"] .article-item-actions .btn-del:hover { color: #ff8da5; background: #3d1e2c; }

  .sidebar-footer {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.65rem;
    color: var(--text-faint);
    padding-top: 16px;
    border-top: 1px solid var(--border);
    margin-top: 16px;
  }

  .social-links {
    margin-top: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
  }

  .social-links a {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--text-faint);
    text-decoration: none;
    font-size: 0.63rem;
    transition: color var(--transition), background var(--transition);
    padding: 3px 6px;
    border-radius: 4px;
  }

  .social-links a:hover {
    color: var(--brand);
    background: var(--brand-ghost);
  }

  .social-links .social-icon {
    font-size: 0.82rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    line-height: 1;
  }

  /* ====== Main Content ====== */
  .main {
    flex: 1;
    min-width: 0;
    padding: 0 52px 72px;
  }

  /* Hero Section */
  .hero {
    padding: 56px 0 40px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 44px;
    position: relative;
    background: linear-gradient(180deg, rgba(255,107,138,0.04) 0%, rgba(255,107,138,0.01) 50%, transparent 100%);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }

  /* Wave decoration */
  .hero::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 20px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 20' preserveAspectRatio='none'%3E%3Cpath d='M0,10 C100,0 200,20 300,10 C400,0 500,20 600,10 C700,0 800,20 900,10 C1000,0 1100,20 1200,10 L1200,20 L0,20 Z' fill='%23ff6b8a' opacity='0.07'/%3E%3C/svg%3E") repeat-x bottom;
    background-size: 600px 20px;
    pointer-events: none;
  }

  .hero::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--brand);
    border-radius: 1px;
  }

  .hero-inner {
    max-width: var(--content-width);
  }

  .hero h1 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-heading);
    letter-spacing: -0.02em;
    line-height: 1.25;
    margin-bottom: 12px;
    transition: color var(--transition-slow);
  }

  .hero h1 span {
    background: linear-gradient(135deg, var(--brand), #ffb0c8, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .hero p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 560px;
    letter-spacing: 0.01em;
  }

  .hero-meta {
    display: flex;
    gap: 24px;
    margin-top: 20px;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.72rem;
    color: var(--text-faint);
  }

  .hero-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
  }

  /* Article Header */
  .article-header {
    max-width: var(--content-width);
    margin-bottom: 36px;
    position: relative;
    padding-bottom: 24px;
  }

  .article-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--brand);
    border-radius: 1px;
    opacity: 0.6;
  }

  .article-header h1 {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--text-heading);
    line-height: 1.35;
    margin-bottom: 14px;
    letter-spacing: -0.01em;
  }

  .article-header .meta-line {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
  }

  .article-header .meta-line .tag-pill {
    display: inline-block;
    font-size: 0.65rem;
    color: var(--tag-pill-color, var(--brand));
    background: var(--tag-pill-bg, var(--brand-soft));
    padding: 2px 10px;
    border-radius: 10px;
    font-weight: 500;
  }

  .article-header .meta-line .reading-time {
    font-size: 0.68rem;
    color: var(--text-faint);
    opacity: 0.75;
  }

  /* Admin actions */
  .article-admin-actions {
    display: none;
    gap: 8px;
    margin-bottom: 24px;
  }
  .admin-visible .article-admin-actions { display: flex; }

  .article-admin-actions button {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.7rem;
    padding: 6px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: "JetBrains Mono", monospace;
    transition: all var(--transition);
  }
  .article-admin-actions button:hover {
    background: var(--brand-soft);
    color: var(--brand);
    border-color: var(--brand-light);
    animation: btnBounce 0.4s ease;
  }
  .article-admin-actions button:active { transform: scale(0.97); }
  .article-admin-actions .btn-delete:hover {
    color: #ef4444;
    border-color: #ef4444;
    background: #fef2f2;
  }

  [data-theme="dark"] .article-admin-actions .btn-delete:hover {
    background: #3d1e2c;
  }

  /* ====== Content Area Crossfade ====== */
  #content-area {
    transition: opacity 0.25s ease;
    will-change: opacity;
  }
  #content-area.fading {
    opacity: 0;
  }

  /* ====== Markdown Body ====== */
  .markdown-body {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 44px 48px;
    border: 1px solid var(--border);
    max-width: var(--content-width);
    transition: background var(--transition-slow), border-color var(--transition-slow), box-shadow var(--transition-slow);
    animation: fadeSlideIn 0.35s ease;
    word-break: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
  }

  @keyframes fadeSlideIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .markdown-body > *:first-child { margin-top: 0 !important; }
  .markdown-body > *:last-child { margin-bottom: 0 !important; }

  /* ====== Headings ====== */
  .markdown-body h1 {
    font-size: 1.55rem;
    font-weight: 700;
    color: var(--text-heading);
    margin: 2.4rem 0 0.8rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-light);
    line-height: 1.35;
    letter-spacing: -0.01em;
  }

  .markdown-body h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-heading);
    margin: 2rem 0 0.7rem;
    line-height: 1.4;
    letter-spacing: -0.005em;
    position: relative;
    padding-left: 16px;
  }

  .markdown-body h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.12em;
    bottom: 0.12em;
    width: 3px;
    background: var(--brand);
    border-radius: 2px;
  }

  .markdown-body h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 1.6rem 0 0.55rem;
    color: var(--text-heading);
    letter-spacing: -0.005em;
  }

  .markdown-body h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin: 1.3rem 0 0.45rem;
    letter-spacing: 0;
  }

  /* ====== Paragraphs ====== */
  .markdown-body p {
    margin: 0.8rem 0;
    line-height: 1.82;
  }

  .markdown-body a {
    color: var(--brand);
    text-decoration: none;
    border-bottom: 1px solid var(--brand-soft);
    transition: all var(--transition);
  }
  .markdown-body a:hover {
    color: var(--accent);
    border-bottom-color: var(--accent);
  }
  .markdown-body a:active { opacity: 0.8; }

  /* ====== Blockquote ====== */
  .markdown-body blockquote {
    border-left: 4px solid var(--brand);
    padding: 1rem 1.2rem;
    margin: 1.4rem 0;
    color: var(--text-muted);
    background: var(--brand-ghost);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-style: normal;
    font-size: 0.93rem;
    line-height: 1.75;
  }

  .markdown-body blockquote p { margin: 0.35rem 0; }

  /* Blockquote citation / footer */
  .markdown-body blockquote p:last-child {
    margin-top: 0.6rem;
    font-size: 0.82rem;
    color: var(--text-faint);
    font-style: italic;
  }
  .markdown-body blockquote p:last-child::before {
    content: '— ';
    opacity: 0.6;
  }

  /* Nested blockquotes */
  .markdown-body blockquote blockquote {
    margin: 0.6rem 0;
    border-left-color: var(--accent-light);
    background: var(--accent-ghost);
    font-size: 0.9rem;
  }

  [data-theme="dark"] .markdown-body blockquote {
    background: rgba(255,107,138,0.08);
    border-left-color: var(--brand);
    color: #d0c0d0;
  }

  /* ====== Images & Video ====== */
  .markdown-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    margin: 1.4rem 0;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: box-shadow var(--transition), transform var(--transition);
  }
  .markdown-body img:hover {
    box-shadow: var(--shadow-md);
    transform: scale(1.01);
  }

  .markdown-body video {
    max-width: 100%;
    border-radius: var(--radius);
    margin: 1.4rem 0;
  }

  /* ====== Code ====== */
  .markdown-body code {
    font-family: "JetBrains Mono", "Fira Code", monospace;
    font-size: 0.85em;
    background: var(--code-bg);
    padding: 0.2em 0.5em;
    border-radius: 3px;
    color: #ff6b8a;
    border: 1px solid var(--code-border);
    word-break: break-all;
  }
  [data-theme="dark"] .markdown-body code { color: #ffb0c8; }

  .markdown-body pre {
    background: var(--code-bg) !important;
    border-radius: var(--radius);
    padding: 1.2rem 1.3rem;
    overflow-x: auto;
    margin: 1.4rem 0;
    font-family: "JetBrains Mono", "Fira Code", monospace;
    font-size: 0.84rem;
    line-height: 1.65;
    border: 1px solid var(--code-border);
    transition: background var(--transition-slow), border-color var(--transition-slow);
    position: relative;
  }

  [data-theme="dark"] .markdown-body pre {
    background: var(--code-bg) !important;
    border-color: var(--code-border);
  }

  .markdown-body pre code {
    background: none !important;
    padding: 0;
    border: none;
    color: inherit;
    font-size: inherit;
    word-break: normal;
  }

  .markdown-body pre code.hljs {
    background: transparent !important;
    padding: 0;
  }

  /* ====== KBD ====== */
  .markdown-body kbd {
    display: inline-block;
    font-family: "JetBrains Mono", "Fira Code", monospace;
    font-size: 0.78em;
    padding: 0.15em 0.5em;
    line-height: 1.5;
    color: var(--text);
    background: var(--kbd-bg);
    border: 1px solid var(--kbd-border);
    border-radius: 4px;
    box-shadow: 0 1px 0 var(--kbd-border), inset 0 1px 0 #fff;
    vertical-align: 0.05em;
  }
  [data-theme="dark"] .markdown-body kbd {
    box-shadow: 0 1px 0 var(--kbd-border);
  }

  /* Copy button */
  .code-block-wrapper {
    position: relative;
  }

  .copy-btn {
    position: absolute;
    top: 8px;
    right: 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-family: "JetBrains Mono", monospace;
    font-size: 0.65rem;
    padding: 4px 10px;
    border-radius: 4px;
    cursor: pointer;
    opacity: 0;
    transition: all var(--transition);
    z-index: 1;
  }
  .code-block-wrapper:hover .copy-btn { opacity: 1; }
  .copy-btn:hover {
    background: var(--brand-soft);
    color: var(--brand);
    transform: scale(1.05);
  }
  .copy-btn:active { transform: scale(0.95); }
  .copy-btn.copied { color: #98e4b0; border-color: #98e4b0; background: #f0fdf4; }

  [data-theme="dark"] .copy-btn.copied {
    background: #1a3024; border-color: #98e4b0; color: #98e4b0;
  }

  /* ====== Lists ====== */
  .markdown-body ul,
  .markdown-body ol {
    margin: 0.85rem 0;
    padding-left: 1.6rem;
  }

  .markdown-body li {
    margin: 0.4rem 0;
    line-height: 1.78;
  }

  /* Custom bullet for top-level ul */
  .markdown-body > ul > li,
  .markdown-body > ol > li + li ul > li {
    list-style: none;
    position: relative;
  }

  .markdown-body > ul > li::before {
    content: '';
    position: absolute;
    left: -1.2rem;
    top: 0.65em;
    width: 5px;
    height: 5px;
    background: var(--brand);
    border-radius: 50%;
    opacity: 0.6;
  }

  /* Nested lists get native bullets */
  .markdown-body ul ul > li { list-style: disc; }
  .markdown-body ul ul ul > li { list-style: circle; }
  .markdown-body ul ul > li::before { display: none; }
  .markdown-body ul ul ul > li::before { display: none; }

  .markdown-body ol > li::marker {
    font-weight: 600;
    font-size: 0.88em;
    color: var(--brand);
  }

  /* ====== Horizontal Rule ====== */
  .markdown-body hr {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--divider-color), transparent);
    margin: 2.4rem 0;
    position: relative;
  }

  .markdown-body hr::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 5px;
    height: 5px;
    background: var(--accent-light);
    border-radius: 50%;
    box-shadow: -10px 0 0 var(--brand), 10px 0 0 var(--c-purple);
    opacity: 0.4;
  }

  .markdown-body strong { font-weight: 600; color: var(--text-heading); }

  /* ====== Tables ====== */
  .markdown-body table {
    border-collapse: separate;
    border-spacing: 0;
    width: 100%;
    margin: 1.5rem 0;
    font-size: 0.85rem;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    will-change: auto;
  }

  .markdown-body th,
  .markdown-body td {
    border-bottom: 1px solid var(--border-light);
    border-right: 1px solid var(--border-light);
    padding: 11px 16px;
    text-align: left;
  }

  .markdown-body th:last-child,
  .markdown-body td:last-child { border-right: none; }
  .markdown-body tr:last-child td { border-bottom: none; }

  .markdown-body th {
    background: var(--brand-ghost);
    font-weight: 600;
    color: var(--text-heading);
    font-size: 0.78rem;
    letter-spacing: 0.02em;
  }

  .markdown-body tr:nth-child(even) td { background: var(--table-stripe); }

  [data-theme="dark"] .markdown-body table { border-color: var(--border); }
  [data-theme="dark"] .markdown-body th { background: rgba(255,107,138,0.12); }
  [data-theme="dark"] .markdown-body tr:nth-child(even) td { background: rgba(255,107,138,0.03); }

  .markdown-body tr:hover td { background: var(--brand-ghost); }

  [data-theme="dark"] .markdown-body tr:hover td { background: rgba(255,107,138,0.08); }

  /* ====== Intro Card ====== */
  .intro-card {
    text-align: center;
    padding: 56px 40px 48px;
    max-width: 460px;
    margin: 0 auto;
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    animation: fadeSlideIn 0.35s ease;
    transition: background var(--transition-slow), border-color var(--transition-slow), box-shadow var(--transition-slow);
  }

  .intro-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand), #ffb0c8, var(--accent));
    color: #fff;
    font-family: system-ui, -apple-system, sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    user-select: none;
    box-shadow: 0 4px 16px rgba(255,107,138,0.25);
  }

  .intro-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-heading);
    margin: 0 0 6px;
    letter-spacing: -0.01em;
    transition: color var(--transition-slow);
  }

  .intro-name-sub {
    font-weight: 400;
    color: var(--text-muted);
    font-size: 0.95rem;
  }

  .intro-role {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.75rem;
    color: var(--brand);
    margin: 0 0 22px;
    font-weight: 500;
  }

  .intro-bio {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.78;
    margin: 0 auto 26px;
    max-width: 380px;
  }

  .intro-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    margin-bottom: 26px;
  }

  .intro-tag {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.65rem;
    color: var(--brand);
    background: var(--brand-soft);
    padding: 3px 11px;
    border-radius: 11px;
    font-weight: 500;
  }

  .intro-social {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
  }

  .intro-social-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 1.05rem;
    background: var(--surface-alt);
    border: 1px solid var(--border);
    transition: all var(--transition);
  }

  .intro-social-btn:hover {
    color: var(--brand);
    background: var(--brand-ghost);
    border-color: var(--brand-soft);
    transform: translateY(-2px);
  }

  /* ====== Empty State (search / notifications) ====== */
  .empty-state {
    text-align: center;
    padding: 96px 16px;
    color: var(--text-muted);
    max-width: var(--content-width);
    animation: fadeSlideIn 0.35s ease;
  }

  .empty-state .empty-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    opacity: 0.35;
  }

  .empty-state p {
    font-size: 0.95rem;
    line-height: 1.75;
  }

  /* ====== Back to Top ====== */
  #back-to-top {
    position: fixed;
    bottom: 36px;
    right: 36px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--brand);
    border: 1px solid var(--brand);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    z-index: 900;
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition: all var(--transition);
    box-shadow: 0 2px 12px rgba(255,107,138,0.35);
    will-change: transform, opacity;
  }

  #back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  #back-to-top:hover {
    background: var(--brand-light);
    border-color: var(--brand-light);
    box-shadow: 0 4px 20px rgba(255,107,138,0.5);
    animation: btnBounce 0.4s ease;
  }
  #back-to-top:active { transform: translateY(-1px) scale(0.96); }

  /* ====== Share Buttons ====== */
  .share-section {
    max-width: var(--content-width);
    margin-top: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.72rem;
    color: var(--text-muted);
  }

  .share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-muted);
    cursor: pointer;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.7rem;
    text-decoration: none;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
  }

  .share-btn:hover {
    background: var(--brand-soft);
    color: var(--brand);
    border-color: var(--brand-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
  }
  .share-btn:active { transform: scale(0.97); }
  .share-btn.copied { color: #98e4b0; border-color: #98e4b0; background: #f0fdf4; }

  [data-theme="dark"] .share-btn.copied {
    background: #1a3024; border-color: #98e4b0; color: #98e4b0;
  }

  [data-theme="dark"] .share-btn {
    background: var(--surface);
  }

  /* ====== Floating Prev/Next Nav ====== */
  .float-nav {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    z-index: 850;
    opacity: 0.45;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
  }
  .float-nav:hover {
    opacity: 0.9;
    background: var(--brand-soft);
    color: var(--brand);
    border-color: var(--brand-light);
    box-shadow: var(--shadow);
    transform: translateY(-50%) scale(1.08);
  }
  .float-nav:active { transform: translateY(-50%) scale(0.95); }
  .float-nav.disabled {
    opacity: 0.18;
    pointer-events: none;
    cursor: default;
  }
  #float-prev { left: 12px; }
  #float-next { right: 12px; }

  @media (max-width: 768px) {
    .float-nav { width: 32px; height: 32px; font-size: 0.85rem; }
    #float-prev { left: 6px; }
    #float-next { right: 6px; }
    .share-section { gap: 6px; }
    .share-btn { padding: 6px 12px; font-size: 0.65rem; }
  }

  @media (max-width: 480px) {
    .float-nav { display: none; }
    .share-section { flex-wrap: wrap; }
  }

  /* ====== Modal ====== */
  .modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(45,27,46,0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 24px;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
  }
  .modal-overlay.show { display: flex; }

  .modal {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 680px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border);
    animation: modalIn 0.22s ease;
    transition: background var(--transition-slow);
  }

  @keyframes modalIn {
    from { opacity: 0; transform: translateY(-16px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
  }

  .modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.85rem;
    font-weight: 500;
  }
  .modal-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 1.3rem;
    line-height: 1;
    padding: 4px 8px;
    border-radius: 5px;
    transition: all var(--transition);
  }
  .modal-close:hover {
    color: var(--text);
    background: var(--bg);
    transform: scale(1.1);
  }
  .modal-close:active { transform: scale(0.95); }

  .modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
  }

  .modal-body label {
    display: block;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: 5px;
    font-weight: 500;
  }
  .modal-body input,
  .modal-body textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-family: system-ui, -apple-system, sans-serif;
    margin-bottom: 18px;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
    background: var(--bg);
    color: var(--text);
  }
  .modal-body input:focus,
  .modal-body textarea:focus {
    border-color: var(--brand);
    box-shadow: 0 0 0 3px var(--brand-soft);
  }

  .modal-body textarea {
    min-height: 280px;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.8rem;
    line-height: 1.6;
    resize: vertical;
  }

  .modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 8px;
  }
  .modal-footer button {
    padding: 9px 22px;
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    cursor: pointer;
    font-family: "JetBrains Mono", monospace;
    transition: all var(--transition);
  }
  .btn-cancel {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-muted);
  }
  .btn-cancel:hover { background: var(--bg); color: var(--text); }
  .btn-cancel:active { transform: scale(0.97); }
  .btn-primary {
    background: var(--brand);
    border: 1px solid var(--brand);
    color: #fff;
  }
  .btn-primary:hover {
    background: var(--brand-light);
    border-color: var(--brand-light);
    transform: scale(1.03);
  }
  .btn-primary:active { transform: scale(0.97); }

  .login-form { max-width: 340px; margin: 0; }

  /* ====== Responsive ====== */
  @media (max-width: 900px) {
    .layout { flex-direction: column; max-width: 100%; }
    .hamburger { display: flex; }
    .sidebar {
      position: fixed;
      left: -100%;
      top: 0;
      height: 100vh;
      width: 280px;
      z-index: 1050;
      transition: left 0.3s ease;
      overflow-y: auto;
      box-shadow: 2px 0 20px rgba(0,0,0,0.1);
      border-right: 1px solid var(--border);
      padding: 20px 18px 16px;
    }
    .nav-open .sidebar { left: 0; }
    .nav-open::after {
      content: '';
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.4);
      z-index: 1040;
    }

    .article-item { min-height: 40px; }

    .main {
      padding: 24px 20px 56px;
    }

    .hero {
      padding: 28px 0 28px;
      margin-bottom: 28px;
    }

    .hero h1 { font-size: 1.5rem; }
    .hero p { font-size: 0.85rem; }

    .markdown-body {
      padding: 28px 22px;
      max-width: 100%;
    }

    #back-to-top {
      bottom: 24px;
      right: 20px;
      width: 40px;
      height: 40px;
      font-size: 1rem;
    }
  }

  @media (max-width: 768px) {
    .sidebar {
      padding: 16px 14px 14px;
    }

    .sidebar-header { margin-bottom: 14px; padding-bottom: 14px; }

    .main { padding: 20px 16px 48px; }

    .hero { padding: 22px 0 22px; margin-bottom: 22px; }
    .hero h1 { font-size: 1.4rem; }
    .hero p { font-size: 0.82rem; }
    .hero-meta { gap: 16px; font-size: 0.68rem; }

    .article-header h1 { font-size: 1.35rem; }

    .markdown-body {
      padding: 22px 16px;
      border-radius: var(--radius);
      font-size: 0.93rem;
    }

    .markdown-body h1 { font-size: 1.35rem; }
    .markdown-body h2 { font-size: 1.1rem; }
    .markdown-body h3 { font-size: 0.98rem; }

    .markdown-body table { font-size: 0.78rem; }
    .markdown-body th, .markdown-body td { padding: 8px 10px; }

    .article-item { padding: 10px 8px; gap: 8px; }
    .article-item .item-title { font-size: 0.8rem; }

    .tag-filters { gap: 3px; }
    .tag-btn { font-size: 0.57rem; padding: 3px 7px; }

    .modal {
      max-width: 100%;
      margin: 0 4px;
    }
    .modal-body { padding: 18px; }
    .modal-footer { padding: 12px 18px; }
  }

  @media (max-width: 480px) {
    .sidebar {
      padding: 14px 10px 12px;
    }

    .sidebar-header-left a { font-size: 1.15rem; }

    .main { padding: 16px 12px 40px; }

    .hero h1 { font-size: 1.25rem; }
    .hero p { font-size: 0.78rem; }
    .hero-meta { flex-direction: column; gap: 6px; }

    .article-header h1 { font-size: 1.2rem; }
    .article-header .meta-line { font-size: 0.68rem; gap: 6px; }

    .markdown-body {
      padding: 18px 14px;
      border-radius: var(--radius-sm);
      font-size: 0.9rem;
    }
    .markdown-body h1 { font-size: 1.2rem; }
    .markdown-body h2 { font-size: 1.05rem; }
    .markdown-body pre { padding: 0.9rem 1rem; font-size: 0.74rem; }
    .markdown-body th, .markdown-body td { padding: 7px 8px; font-size: 0.73rem; }

    .article-item .date-badge { width: 34px; }
    .article-item .date-badge .badge-day { font-size: 0.9rem; }
    .article-item .item-title { font-size: 0.76rem; }
    .article-item .item-meta { font-size: 0.58rem; }

    .empty-state { padding: 64px 12px; }
    .empty-state .empty-icon { font-size: 2.4rem; }

    .intro-card { padding: 40px 22px 36px; max-width: 100%; }
    .intro-avatar { width: 62px; height: 62px; font-size: 1.3rem; }
    .intro-name { font-size: 1.1rem; }
    .intro-name-sub { font-size: 0.85rem; }
    .intro-bio { font-size: 0.82rem; }

    #back-to-top {
      bottom: 16px;
      right: 14px;
      width: 36px;
      height: 36px;
      font-size: 0.9rem;
    }

    .search-input { padding: 7px 10px 7px 30px; font-size: 0.74rem; }
  }

  /* ====== Print Styles ====== */
  @media print {
    *,
    *::before,
    *::after {
      background: transparent !important;
      color: #000 !important;
      box-shadow: none !important;
      text-shadow: none !important;
    }

    #progress-bar,
    .sidebar,
    #back-to-top,
    .modal-overlay,
    .article-admin-actions,
    .copy-btn,
    .intro-card {
      display: none !important;
    }

    .layout {
      display: block;
      max-width: 100%;
    }

    .main {
      padding: 0;
      max-width: 100%;
    }

    .hero {
      padding: 16px 0;
      margin-bottom: 20px;
      border-bottom: 1px solid #ccc;
    }
    .hero::after { display: none; }
    .hero h1 { font-size: 1.5rem; }

    .article-header::after { display: none; }
    .article-header h1 { font-size: 1.3rem; }

    .markdown-body {
      box-shadow: none;
      border: none;
      padding: 0;
      max-width: 100%;
      animation: none;
    }

    .markdown-body h2::before { display: none; }
    .markdown-body h2 { padding-left: 0; }

    .markdown-body a {
      border-bottom: 1px solid #999;
      color: #000;
    }
    .markdown-body a[href^="http"]::after {
      content: " (" attr(href) ")";
      font-size: 0.8em;
      color: #666;
    }

    .markdown-body pre,
    .markdown-body code {
      border: 1px solid #ccc;
      background: #f9f9f9 !important;
      font-size: 0.82rem;
    }

    .markdown-body img {
      max-width: 100% !important;
      page-break-inside: avoid;
    }

    .markdown-body table {
      border: 1px solid #ccc;
    }
    .markdown-body th,
    .markdown-body td {
      border: 1px solid #ccc;
      padding: 6px 10px;
    }

    .markdown-body blockquote {
      border-left: 2px solid #999;
      background: none !important;
      padding: 0.5rem 1rem;
    }

    .markdown-body h1,
    .markdown-body h2,
    .markdown-body h3,
    .markdown-body h4 {
      page-break-after: avoid;
    }

    .markdown-body p,
    .markdown-body li,
    .markdown-body blockquote {
      orphans: 3;
      widows: 3;
    }

    body {
      font-size: 11pt;
      line-height: 1.5;
    }

    @page {
      margin: 2cm 1.8cm;
    }
  }

  /* ====== Floating Hearts ====== */
  .hearts-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
  }
  .heart-wrap {
    position: absolute;
    width: var(--size);
    height: var(--size);
    animation: float var(--dur) ease-in-out infinite;
    animation-delay: var(--delay);
    opacity: 0.06;
  }
  .heart,
  .heart::before,
  .heart::after {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--brand, #ff6b8a);
  }
  .heart {
    transform: rotate(45deg);
    border-radius: 0 0 2px 0;
  }
  .heart::before {
    content: "";
    top: -50%;
    left: 0;
    border-radius: 50%;
  }
  .heart::after {
    content: "";
    top: 0;
    left: -50%;
    border-radius: 50%;
  }
  @keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-18px) rotate(3deg); }
  }

  [data-theme="dark"] .heart,
  [data-theme="dark"] .heart::before,
  [data-theme="dark"] .heart::after {
    background: #6a4a6a;
  }
  [data-theme="dark"] .heart-wrap {
    opacity: 0.07;
  }

  @media print {
    .hearts-bg { display: none; }
  }

  /* ====== Kawaii Mascot (Anime Style) ====== */
  @keyframes mascotSway {
    0%, 100% { transform: rotate(-1.8deg) translateY(0); }
    25% { transform: rotate(0deg) translateY(-2px); }
    50% { transform: rotate(1.8deg) translateY(0); }
    75% { transform: rotate(0deg) translateY(-2px); }
  }

  @keyframes mascotBreathe {
    0%, 100% { transform: scale(1) translateY(0); }
    50% { transform: scale(1.02) translateY(-3px); }
  }
  @keyframes mascotIdleFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
  }

  @keyframes mascotJump {
    0% { transform: translateY(0) scale(1) rotate(0deg); }
    25% { transform: translateY(-14px) scale(1.08) rotate(-4deg); }
    45% { transform: translateY(0) scale(0.95) rotate(-1deg); }
    65% { transform: translateY(-6px) scale(1.04) rotate(2deg); }
    100% { transform: translateY(0) scale(1) rotate(0deg); }
  }

  @keyframes mascotBlink {
    0%, 85%, 100% { transform: scaleY(1); }
    88% { transform: scaleY(0.05); }
    91% { transform: scaleY(1); }
    94% { transform: scaleY(0.05); }
  }

  @keyframes sparklePulse {
    0%, 100% { opacity: 0.55; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.5); }
  }

  @keyframes blushPulse {
    0%, 100% { opacity: 0.85; }
    50% { opacity: 1; transform: scale(1.08); }
  }
  @keyframes sparklePulse2 {
    0%, 100% { opacity: 0.4; transform: scale(0.9); }
    60% { opacity: 0.95; transform: scale(1.35); }
  }

  @keyframes tailSwingL {
    0%, 100% { transform: rotate(-10deg); }
    50% { transform: rotate(-20deg); }
  }
  @keyframes tailSwingR {
    0%, 100% { transform: rotate(10deg); }
    50% { transform: rotate(20deg); }
  }
  @keyframes ribbonSwing {
    0%, 100% { transform: translateX(-50%) rotate(-3deg); }
    50% { transform: translateX(-50%) rotate(3deg); }
  }

  @keyframes bubblePop {
    0% { opacity: 0; transform: translateY(10px) scale(0.8); }
    12% { opacity: 1; transform: translateY(-3px) scale(1.06); }
    22% { transform: translateY(0) scale(1); }
    80% { opacity: 1; transform: translateY(0) scale(1); }
    100% { opacity: 0; transform: translateY(-12px) scale(0.88); }
  }

  @keyframes heroGlow {
    0%, 100% { filter: brightness(1) saturate(1); }
    50% { filter: brightness(1.18) saturate(1.1); }
  }

  @keyframes tagShake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-2.5px) rotate(-1deg); }
    40% { transform: translateX(2.5px) rotate(1deg); }
    60% { transform: translateX(-1.5px) rotate(-0.5deg); }
    80% { transform: translateX(1.5px) rotate(0.5deg); }
  }

  .kawaii-mascot {
    position: fixed;
    bottom: 74px;
    right: 22px;
    z-index: 950;
    pointer-events: none;
    transition: transform 0.1s linear, filter 0.35s;
    filter: drop-shadow(0 4px 12px rgba(100,60,80,0.16)) drop-shadow(0 1px 3px rgba(0,0,0,0.08));
  }
  .kawaii-mascot:hover {
    filter: drop-shadow(0 6px 20px rgba(100,60,80,0.24)) drop-shadow(0 2px 6px rgba(0,0,0,0.12));
  }
  .kawaii-mascot.dragging {
    transition: none !important;
    cursor: grabbing;
    filter: drop-shadow(0 8px 24px rgba(100,60,80,0.28)) drop-shadow(0 3px 8px rgba(0,0,0,0.15));
  }
  .kawaii-mascot.dragging .mascot-body {
    animation-play-state: paused !important;
  }
  /* Ground shadow */
  .kawaii-mascot::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 8px;
    background: radial-gradient(ellipse, rgba(0,0,0,0.15) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
    animation: shadowBreathe 4.5s ease-in-out infinite;
  }
  @keyframes shadowBreathe {
    0%, 100% { transform: translateX(-50%) scale(1); opacity: 0.75; }
    50% { transform: translateX(-50%) scale(0.82); opacity: 0.4; }
  }

  .mascot-body {
    pointer-events: auto;
    cursor: pointer;
    position: relative;
    width: 106px;
    height: 120px;
    animation: mascotSway 5s ease-in-out infinite, mascotBreathe 4.5s ease-in-out infinite, mascotIdleFloat 3.5s ease-in-out infinite;
    transition: filter 0.3s;
    filter: brightness(1.03) saturate(1.05);
  }

  .mascot-body:hover {
    animation: mascotJump 0.65s ease forwards, mascotSway 5s ease-in-out infinite, mascotBreathe 4.5s ease-in-out infinite, mascotIdleFloat 3.5s ease-in-out infinite;
    animation-delay: 0s, 0.65s, 0.65s, 0.65s;
  }

  .mascot-body:active { transform: scale(0.93); }

  /* ====== Twin Tails ====== */
  .mascot-tail {
    position: absolute;
    width: 18px;
    height: 62px;
    top: 16px;
    background: linear-gradient(180deg, #4a3d58 0%, #5d4e6e 30%, #524568 55%, #362a44 85%, #231d2e 100%);
    border-radius: 9px 9px 18px 18px;
    z-index: 0;
    box-shadow: inset 0 2px 5px rgba(255,255,255,0.12), inset 0 -4px 8px rgba(0,0,0,0.2), 0 0 0 1px rgba(255,255,255,0.04);
  }
  .mascot-tail.left {
    left: 6px;
    animation: tailSwingL 3.5s ease-in-out infinite;
    transform-origin: top center;
  }
  .mascot-tail.right {
    right: 6px;
    animation: tailSwingR 3.5s ease-in-out infinite;
    transform-origin: top center;
  }

  /* Tail highlight layer */
  .mascot-tail::after {
    content: '';
    position: absolute;
    top: 10px;
    left: 3px;
    width: 5px;
    height: 24px;
    background: linear-gradient(180deg, rgba(255,255,255,0.22) 0%, rgba(255,255,255,0.06) 60%, transparent 100%);
    border-radius: 2px;
    z-index: 1;
  }

  /* Tail ribbons */
  .mascot-tail-ribbon {
    position: absolute;
    top: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 14px;
    background: linear-gradient(135deg, #f0608e 0%, #e0487e 40%, #c8386a 100%);
    border-radius: 50% 50% 45% 45%;
    z-index: 2;
    box-shadow: 0 1px 4px rgba(210,50,90,0.3), inset 0 2px 3px rgba(255,255,255,0.35), inset 0 -1px 2px rgba(0,0,0,0.1);
    animation: ribbonSwing 3s ease-in-out infinite;
  }
  .mascot-tail-ribbon::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 50%;
    transform: translateX(-50%);
    width: 7px;
    height: 6px;
    background: radial-gradient(ellipse, rgba(255,255,255,0.7) 0%, rgba(255,255,255,0.1) 80%);
    border-radius: 50%;
  }

  /* ====== Head ====== */
  .mascot-head {
    position: absolute;
    top: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 62px;
    height: 64px;
    background: radial-gradient(ellipse at 48% 32%, #fffaf5 0%, #ffeedb 40%, #fde0c8 65%, #f2ceaa 100%);
    border-radius: 54% 54% 46% 46%;
    z-index: 2;
    box-shadow: inset 0 -7px 14px rgba(180,100,60,0.06), 0 5px 22px rgba(255,150,110,0.2), 0 2px 6px rgba(200,100,60,0.1), 0 0 0 1px rgba(255,255,255,0.3);
  }

  /* ====== M-Bangs ====== */
  .mascot-bangs {
    position: absolute;
    top: -3px;
    left: 50%;
    transform: translateX(-50%);
    width: 48px;
    height: 24px;
    background: linear-gradient(180deg, #7a5240 0%, #664232 40%, #543020 100%);
    border-radius: 50% 50% 0 0;
    z-index: 3;
    box-shadow: 0 1px 2px rgba(255,255,255,0.15), inset 0 -3px 4px rgba(0,0,0,0.12);
  }
  .mascot-bangs::before {
    content: '';
    position: absolute;
    top: 8px;
    left: -5px;
    width: 18px;
    height: 22px;
    background: linear-gradient(135deg, #7a5240 0%, #543020 100%);
    border-radius: 0 0 0 65%;
    z-index: 3;
    box-shadow: 0 1px 1px rgba(255,255,255,0.08);
  }
  .mascot-bangs::after {
    content: '';
    position: absolute;
    top: 8px;
    right: -5px;
    width: 18px;
    height: 22px;
    background: linear-gradient(225deg, #7a5240 0%, #543020 100%);
    border-radius: 0 0 65% 0;
    z-index: 3;
    box-shadow: 0 1px 1px rgba(255,255,255,0.08);
  }

  /* M-notch */
  .mascot-bangs-notch {
    position: absolute;
    top: 18px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 12px;
    background: #fff5ee;
    z-index: 4;
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  }

  /* ====== Eyes ====== */
  .mascot-eye {
    position: absolute;
    top: 25px;
    width: 18px;
    height: 22px;
    background: radial-gradient(ellipse at 50% 42%, #5a2060 0%, #2d0a30 45%, #140418 100%);
    border-radius: 52% 52% 48% 48%;
    z-index: 2;
    animation: mascotBlink 3.5s ease-in-out infinite;
    overflow: hidden;
    box-shadow: 0 1px 4px rgba(0,0,0,0.25), inset 0 1px 3px rgba(150,60,160,0.2), inset 0 -2px 2px rgba(0,0,0,0.15);
  }
  .mascot-eye.left { left: 9px; }
  .mascot-eye.right { right: 9px; }

  /* Main highlight */
  .mascot-eye-hl {
    position: absolute;
    top: 2px;
    right: 3px;
    width: 7px;
    height: 7px;
    background: radial-gradient(circle at 40% 40%, #fff 0%, rgba(255,255,255,0.85) 60%, transparent 100%);
    border-radius: 50%;
    z-index: 5;
    opacity: 0.95;
    box-shadow: 0 0 6px rgba(255,255,255,0.5), 0 0 12px rgba(255,240,255,0.15);
  }
  .mascot-eye-star {
    position: absolute;
    top: 0px;
    left: 5px;
    width: 5px;
    height: 5px;
    background: radial-gradient(circle, #fff 0%, rgba(255,220,255,0.7) 70%);
    z-index: 6;
    opacity: 0.75;
    clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
    animation: sparklePulse 2.5s ease-in-out infinite;
    box-shadow: 0 0 3px rgba(255,255,255,0.4);
  }

  /* Kirakira sparkle */
  .mascot-eye-sparkle {
    position: absolute;
    bottom: 2px;
    left: 2px;
    width: 4px;
    height: 4px;
    background: radial-gradient(circle, rgba(255,240,255,1) 0%, rgba(255,200,255,0.6) 60%, transparent 100%);
    border-radius: 50%;
    z-index: 5;
    opacity: 0.75;
    animation: sparklePulse 2.2s ease-in-out infinite;
    box-shadow: 0 0 3px rgba(255,200,255,0.5);
  }
  .mascot-eye-sparkle2 {
    position: absolute;
    top: 5px;
    left: 1px;
    width: 3px;
    height: 3px;
    background: radial-gradient(circle, rgba(255,240,255,1) 0%, rgba(255,200,255,0.5) 60%, transparent 100%);
    border-radius: 50%;
    z-index: 5;
    opacity: 0.5;
    animation: sparklePulse2 2.8s ease-in-out infinite;
    box-shadow: 0 0 2px rgba(255,200,255,0.4);
  }

  /* ====== Eyebrows ====== */
  .mascot-brow {
    position: absolute;
    top: 20px;
    width: 15px;
    height: 2.5px;
    background: linear-gradient(90deg, rgba(120,70,40,0.7), rgba(100,55,30,0.5));
    border-radius: 3px;
    z-index: 3;
    opacity: 0.7;
    box-shadow: 0 -1px 0 rgba(255,255,255,0.08);
  }
  .mascot-brow.left { left: 9px; }
  .mascot-brow.right { right: 9px; }

  /* ====== Blush ====== */
  .mascot-blush {
    position: absolute;
    top: 35px;
    width: 15px;
    height: 8px;
    background: radial-gradient(ellipse at 50% 50%, rgba(255,130,145,0.6) 0%, rgba(255,160,170,0.25) 45%, transparent 100%);
    border-radius: 50%;
    z-index: 2;
    filter: blur(2px);
    animation: blushPulse 3s ease-in-out infinite;
  }
  .mascot-blush.left { left: 1px; }
  .mascot-blush.right { right: 1px; }

  /* ====== Mouth ====== */
  .mascot-mouth {
    position: absolute;
    top: 43px;
    left: 50%;
    transform: translateX(-50%);
    width: 10px;
    height: 7px;
    z-index: 2;
    overflow: hidden;
  }
  .mascot-mouth::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 10px;
    height: 5px;
    border-bottom: 2px solid #f09080;
    border-radius: 0 0 6px 6px;
    box-shadow: 0 1px 2px rgba(240,130,120,0.15);
  }

  /* ====== Body ====== */
  .mascot-torso {
    position: absolute;
    top: 62px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 44px;
    z-index: 1;
  }

  /* Sailor top */
  .mascot-top {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 26px;
    background: linear-gradient(180deg, #fefeff 0%, #f9f7fe 35%, #ece8f6 70%, #dfd8ee 100%);
    border-radius: 9px 9px 0 0;
    z-index: 2;
    box-shadow: inset 0 2px 3px rgba(255,255,255,0.7), inset 0 -1px 2px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.03);
  }

  /* Sailor collar */
  .mascot-collar {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 14px;
    z-index: 3;
  }
  .mascot-collar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 1px;
    width: 0;
    height: 0;
    border-left: 15px solid #5CA8D8;
    border-bottom: 14px solid transparent;
    z-index: 4;
    filter: drop-shadow(1px 0 0 rgba(255,255,255,0.4)) drop-shadow(0 1px 1px rgba(0,0,0,0.08));
  }
  .mascot-collar::after {
    content: '';
    position: absolute;
    top: 0;
    right: 1px;
    width: 0;
    height: 0;
    border-right: 15px solid #5CA8D8;
    border-bottom: 14px solid transparent;
    z-index: 4;
    filter: drop-shadow(-1px 0 0 rgba(255,255,255,0.4)) drop-shadow(0 1px 1px rgba(0,0,0,0.08));
  }
  /* White trim on collar */
  .mascot-collar-stripe {
    position: absolute;
    top: 2px;
    width: 3px;
    height: 10px;
    background: rgba(255,255,255,0.5);
    z-index: 5;
    border-radius: 1px;
  }
  .mascot-collar-stripe.left { left: 6px; }
  .mascot-collar-stripe.right { right: 6px; }

  /* Red ribbon tie */
  .mascot-tie {
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 7px;
    height: 15px;
    background: linear-gradient(180deg, #f06090 0%, #e84580 30%, #c8356e 70%, #a02858 100%);
    border-radius: 2px 2px 4px 4px;
    z-index: 5;
    box-shadow: 0 1px 4px rgba(180,30,60,0.4), inset 0 2px 3px rgba(255,255,255,0.25), inset 0 -1px 2px rgba(0,0,0,0.08);
  }
  .mascot-tie::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 14px;
    height: 9px;
    background: linear-gradient(135deg, #f878a8 0%, #d0407e 100%);
    border-radius: 50% 50% 30% 30%;
    box-shadow: 0 2px 4px rgba(190,40,70,0.35), inset 0 2px 2px rgba(255,255,255,0.3);
  }
  /* Bow tie wings */
  .mascot-tie::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 22px;
    height: 7px;
    background: linear-gradient(135deg, #f878a8 0%, #c8356e 100%);
    border-radius: 4px;
    z-index: -1;
    box-shadow: 0 1px 3px rgba(180,40,70,0.3);
  }

  /* Pleated skirt */
  .mascot-skirt {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 46px;
    height: 22px;
    background: linear-gradient(180deg, #5a78b0 0%, #4e6da5 12%, #3d5c90 45%, #304878 75%, #283e68 100%);
    border-radius: 2px 2px 11px 11px;
    z-index: 2;
    box-shadow: inset 0 2px 4px rgba(255,255,255,0.22), inset 0 -1px 3px rgba(0,0,0,0.1), 0 1px 4px rgba(0,0,0,0.12);
  }
  /* Skirt pleats */
  .mascot-skirt::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 17px;
    background: rgba(255,255,255,0.18);
    border-radius: 1px;
    box-shadow: -6px 0 0 rgba(255,255,255,0.12), 6px 0 0 rgba(255,255,255,0.12), -12px 0 0 rgba(255,255,255,0.1), 12px 0 0 rgba(255,255,255,0.1), -18px 0 0 rgba(255,255,255,0.06), 18px 0 0 rgba(255,255,255,0.06);
  }

  /* ====== Arms ====== */
  .mascot-arm {
    position: absolute;
    top: 8px;
    width: 10px;
    height: 26px;
    background: linear-gradient(180deg, #fff0e0 0%, #fde4ce 30%, #f6d4b4 100%);
    border-radius: 5px 5px 6px 6px;
    z-index: 1;
    box-shadow: inset 0 2px 3px rgba(255,255,255,0.3), inset 0 -1px 2px rgba(0,0,0,0.04);
  }
  .mascot-arm.left { left: -15px; transform: rotate(15deg); }
  .mascot-arm.right { right: -15px; transform: rotate(-15deg); }

  /* Sleeves */
  .mascot-arm::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -2px;
    width: 14px;
    height: 8px;
    background: linear-gradient(180deg, #fefeff 0%, #f4f2fa 100%);
    border-radius: 50%;
    z-index: 2;
    box-shadow: 0 1px 2px rgba(0,0,0,0.06), inset 0 1px 1px rgba(255,255,255,0.5);
  }

  /* ====== Legs & Socks ====== */
  .mascot-legs {
    position: absolute;
    top: 102px;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 14px;
    display: flex;
    justify-content: space-between;
    z-index: 1;
  }
  .mascot-leg {
    width: 11px;
    height: 15px;
    background: linear-gradient(180deg, #fff0e0 0%, #fde4ce 52%, #fefeff 52%, #f6f2fc 78%, #ece6f4 100%);
    border-radius: 5px 5px 4px 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06), inset 0 1px 1px rgba(255,255,255,0.4);
  }

  /* ====== Speech Bubble ====== */
  .mascot-bubble {
    position: absolute;
    bottom: 100%;
    right: 0;
    margin-bottom: 8px;
    z-index: 955;
    opacity: 0;
    pointer-events: none;
    background: linear-gradient(135deg, #fefeff 0%, #fdf7fc 100%);
    color: #5a4a5c;
    padding: 7px 14px;
    border-radius: 16px;
    font-size: 0.78rem;
    white-space: nowrap;
    box-shadow: 0 3px 16px rgba(100,60,80,0.12), 0 1px 4px rgba(0,0,0,0.06);
    transform: translateY(4px);
    transition: opacity 0.3s, transform 0.3s;
    border: 1px solid rgba(255,200,220,0.3);
  }
  .mascot-bubble.show {
    animation: bubblePop 3.2s ease forwards;
  }
  .mascot-bubble::after {
    content: '';
    position: absolute;
    bottom: -6px;
    right: 24px;
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid rgba(255,200,220,0.2);
  }

  /* Bubble content glow */
  .mascot-bubble::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 8px;
    right: 8px;
    height: 40%;
    background: linear-gradient(180deg, rgba(255,200,220,0.25) 0%, transparent 100%);
    border-radius: 8px;
    pointer-events: none;
    z-index: 0;
  }

  /* ====== Hero Glow ====== */
  .hero h1 span {
    animation: heroGlow 3.5s ease-in-out infinite;
  }

  /* ====== Card Hover Float ====== */
  .markdown-body {
    transition: transform var(--transition-slow), box-shadow var(--transition-slow);
  }
  .markdown-body:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
  }

  .intro-card {
    transition: transform var(--transition-slow), box-shadow var(--transition-slow);
  }
  .intro-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
  }

  /* ====== Tag Pill Hover Shake ====== */
  .tag-btn:hover {
    animation: tagShake 0.45s ease;
  }

  .tag-pill {
    transition: transform 0.2s ease;
  }
  .tag-pill:hover {
    animation: tagShake 0.5s ease;
  }

  /* ====== Dark Mode Mascot ====== */
  [data-theme="dark"] .mascot-head {
    background: radial-gradient(ellipse at 45% 35%, #f0ddd0 0%, #dcc4a8 50%, #cdb290 100%);
    box-shadow: inset 0 -7px 14px rgba(0,0,0,0.1), 0 5px 22px rgba(100,70,50,0.32), 0 2px 6px rgba(80,40,30,0.12);
  }

  [data-theme="dark"] .mascot-bangs,
  [data-theme="dark"] .mascot-bangs::before,
  [data-theme="dark"] .mascot-bangs::after { 
    background: #5a3520; 
  }
  [data-theme="dark"] .mascot-bangs {
    box-shadow: 0 1px 3px rgba(255,255,255,0.1), inset 0 -3px 4px rgba(0,0,0,0.15);
  }
  [data-theme="dark"] .mascot-bangs::before,
  [data-theme="dark"] .mascot-bangs::after {
    box-shadow: 0 1px 1px rgba(255,255,255,0.06);
  }

  [data-theme="dark"] .mascot-bangs-notch { background: #ecd8c8; }

  [data-theme="dark"] .mascot-tail {
    background: linear-gradient(180deg, #332a40 0%, #443658 35%, #332a40 70%, #1e1828 100%);
    box-shadow: inset 0 2px 5px rgba(255,255,255,0.08), inset 0 -4px 8px rgba(0,0,0,0.25);
  }
  [data-theme="dark"] .mascot-tail::after {
    background: linear-gradient(180deg, rgba(255,255,255,0.12) 0%, transparent 100%);
  }

  [data-theme="dark"] .mascot-brow { 
    background: linear-gradient(90deg, rgba(120,70,40,0.55), rgba(90,50,28,0.4));
  }

  [data-theme="dark"] .mascot-arm {
    background: linear-gradient(180deg, #ecd8c8 0%, #dcc4a8 100%);
    box-shadow: inset 0 2px 3px rgba(255,255,255,0.15), inset 0 -1px 2px rgba(0,0,0,0.08);
  }
  [data-theme="dark"] .mascot-arm::before { 
    background: linear-gradient(180deg, #f0e8e0 0%, #e8e0d8 100%); 
    box-shadow: 0 1px 2px rgba(0,0,0,0.08), inset 0 1px 1px rgba(255,255,255,0.3);
  }

  [data-theme="dark"] .mascot-leg {
    background: linear-gradient(180deg, #ecd8c8 0%, #dcc4a8 52%, #f0e8e0 52%, #e0d8d0 78%, #ddd0c8 100%);
  }

  [data-theme="dark"] .mascot-eye { 
    background: radial-gradient(ellipse at 50% 42%, #2a0a28 0%, #140618 45%, #080208 100%); 
    box-shadow: 0 1px 4px rgba(0,0,0,0.3), inset 0 1px 3px rgba(80,20,70,0.15);
  }

  [data-theme="dark"] .mascot-top { 
    background: linear-gradient(180deg, #f2eae2 0%, #e5dcd4 40%, #d8cec4 100%); 
    box-shadow: inset 0 2px 3px rgba(255,255,255,0.4), inset 0 -1px 2px rgba(0,0,0,0.06);
  }

  [data-theme="dark"] .mascot-mouth::before { 
    border-bottom-color: #c87868; 
    box-shadow: 0 1px 2px rgba(200,110,100,0.12);
  }

  [data-theme="dark"] .mascot-blush {
    background: radial-gradient(ellipse at 50% 50%, rgba(255,110,130,0.4) 0%, rgba(255,140,140,0.12) 45%, transparent 100%);
  }

  [data-theme="dark"] .mascot-bubble {
    background: linear-gradient(135deg, #3d2a3e 0%, #362438 100%);
    color: #e8dce8;
    box-shadow: 0 3px 16px rgba(0,0,0,0.35), 0 1px 4px rgba(0,0,0,0.2);
    border: 1px solid rgba(200,150,180,0.1);
  }
  [data-theme="dark"] .mascot-bubble::after {
    border-top-color: #3d2a3e;
  }
  [data-theme="dark"] .mascot-bubble::before {
    background: linear-gradient(180deg, rgba(200,150,180,0.1) 0%, transparent 100%);
  }

  /* ====== Print: Hide Mascot ====== */
  @media print {
    .kawaii-mascot,
    .mascot-bubble { display: none !important; }
  }

  /* ====== Lazy Load Images ====== */
  .lazy-img {
    filter: blur(12px);
    opacity: 0;
    transition: opacity 0.45s ease, filter 0.45s ease;
  }
  .lazy-img.loaded {
    filter: blur(0);
    opacity: 1;
  }

  /* ====== Daily Quotes (Sidebar) ====== */
  .daily-quotes {
    margin-bottom: 10px;
    padding: 4px 10px;
    background: var(--brand-ghost);
    border-radius: var(--radius-sm);
    border: 1px solid var(--brand-soft);
    text-align: center;
    transition: background var(--transition-slow), border-color var(--transition-slow);
  }
  .daily-quotes .quote-text {
    font-size: 0.6rem;
    color: var(--text-muted);
    line-height: 1.4;
    font-style: italic;
    letter-spacing: 0.02em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  /* ====== Social Links (Sidebar) ====== */
  .social-links {
    display: flex;
    flex-direction: row;
    gap: 6px;
    align-items: center;
    justify-content: center;
    margin-top: 8px;
  }
  .social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.8rem;
    background: var(--surface);
    border: 1px solid var(--border);
    transition: all var(--transition);
    flex-shrink: 0;
    line-height: 1;
  }
  .social-links a:hover {
    background: var(--brand-ghost);
    color: var(--brand);
    border-color: var(--brand-soft);
    transform: translateY(-2px);
  }

  /* ====== Visitor Counter ====== */
  .visitor-counter {
    margin-top: 8px;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.65rem;
    color: var(--text-faint);
    text-align: center;
    padding: 6px 0;
    transition: color var(--transition-slow);
  }
  .visitor-counter .vc-count {
    color: var(--brand);
    font-weight: 600;
    font-size: 0.78rem;
  }

  /* ====== Right-side Friend Link Panel ====== */
  .fl-trigger {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 900;
    width: 36px;
    height: 100px;
    background: var(--brand);
    color: #fff;
    border: none;
    border-radius: 14px 0 0 14px;
    cursor: pointer;
    font-size: 0.78rem;
    font-weight: 600;
    writing-mode: vertical-rl;
    letter-spacing: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: -2px 0 12px rgba(255,107,138,0.25);
    transition: all var(--transition);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
  }
  .fl-trigger:hover {
    background: var(--brand-light);
    box-shadow: -2px 0 20px rgba(255,107,138,0.35);
  }
  .fl-overlay {
    position: fixed;
    inset: 0;
    z-index: 998;
    background: rgba(60,30,40,0.35);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }
  .fl-overlay.active {
    opacity: 1;
    pointer-events: auto;
  }
  .fl-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 360px;
    max-width: 88vw;
    height: 100vh;
    z-index: 999;
    background: var(--surface);
    box-shadow: -4px 0 32px rgba(100,80,80,0.18);
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }
  .fl-panel.active {
    transform: translateX(0);
  }
  .fl-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px 16px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
  }
  .fl-panel-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-heading);
  }
  .fl-panel-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-muted);
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    -webkit-tap-highlight-color: transparent;
  }
  .fl-panel-close:hover {
    background: var(--brand-ghost);
    color: var(--brand);
    border-color: var(--brand-soft);
  }
  .fl-panel-list {
    flex: 1;
    overflow-y: auto;
    padding: 12px 20px 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .fl-item {
    display: flex;
    flex-direction: column;
    padding: 14px 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--surface);
    transition: all var(--transition);
    position: relative;
  }
  .fl-item:hover {
    border-color: var(--brand-soft);
    background: var(--brand-ghost);
    box-shadow: var(--shadow-sm);
  }
  .fl-item .fl-item-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--brand);
    text-decoration: none;
    transition: color var(--transition);
  }
  .fl-item .fl-item-name:hover {
    text-decoration: underline;
  }
  .fl-item .fl-item-desc {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 4px;
    line-height: 1.4;
  }
  .fl-item .fl-item-del {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: none;
    background: var(--border-light);
    color: var(--text-faint);
    font-size: 0.75rem;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    -webkit-tap-highlight-color: transparent;
  }
  .fl-item.fl-admin .fl-item-del {
    display: flex;
  }
  .fl-item .fl-item-del:hover {
    background: #ffe8ec;
    color: #e0556a;
  }
  .fl-item.fl-admin .fl-item-name {
    padding-right: 30px;
  }
  .fl-panel-footer {
    border-top: 1px solid var(--border);
    padding: 16px 20px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .fl-add-form {
    display: none;
    flex-direction: column;
    gap: 8px;
  }
  .fl-add-form.active {
    display: flex;
  }
  .fl-add-form input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    background: var(--surface);
    color: var(--text);
    outline: none;
    font-family: inherit;
    transition: border-color var(--transition);
    box-sizing: border-box;
  }
  .fl-add-form input:focus {
    border-color: var(--brand-soft);
    box-shadow: 0 0 0 3px var(--focus-ring);
  }
  .fl-add-form input::placeholder {
    color: var(--text-faint);
  }
  .fl-btn-row {
    display: flex;
    gap: 8px;
  }
  .fl-btn {
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    font-size: 0.78rem;
    font-weight: 500;
    transition: all var(--transition);
    -webkit-tap-highlight-color: transparent;
  }
  .fl-btn.primary {
    background: var(--brand);
    color: #fff;
  }
  .fl-btn.primary:hover {
    background: var(--brand-light);
  }
  .fl-btn.ghost {
    background: var(--border-light);
    color: var(--text-muted);
  }
  .fl-btn.ghost:hover {
    background: var(--border);
    color: var(--text);
  }
  .fl-admin-toggle {
    font-size: 0.7rem;
    color: var(--text-faint);
    cursor: pointer;
    text-align: center;
    padding: 4px 0;
    user-select: none;
    transition: color var(--transition);
    -webkit-tap-highlight-color: transparent;
  }
  .fl-admin-toggle:hover {
    color: var(--text-muted);
  }

  /* ====== Dark mode: Friend Link Panel ====== */
  [data-theme="dark"] .fl-overlay {
    background: rgba(0,0,0,0.55);
  }
  [data-theme="dark"] .fl-panel {
    background: var(--surface);
    box-shadow: -4px 0 40px rgba(0,0,0,0.4);
  }
  [data-theme="dark"] .fl-trigger {
    box-shadow: -2px 0 16px rgba(255,107,138,0.3);
  }

  /* ====== Mobile: Friend Link Panel ====== */
  @media (max-width: 480px) {
    .fl-panel {
      width: 100vw;
      max-width: 100vw;
    }
    .fl-trigger {
      width: 30px;
      height: 80px;
      font-size: 0.68rem;
      letter-spacing: 3px;
      border-radius: 10px 0 0 10px;
    }
  }
/* ====== TOC ====== */
.article-toc {
  background: var(--card-bg, #fdf2f8);
  border: 1px solid var(--border-color, #f0d6e8);
  border-radius: 12px;
  padding: 18px 20px;
  margin-bottom: 24px;
}
.toc-title {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 10px;
  color: var(--brand, #d64b8b);
}
.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.toc-item {
  padding: 2px 0;
}
.toc-item a {
  color: var(--text-secondary, #7a6e7e);
  text-decoration: none;
  font-size: 0.88rem;
  line-height: 1.6;
  transition: color 0.2s;
}
.toc-item a:hover {
  color: var(--brand, #d64b8b);
}
.toc-h3 {
  padding-left: 16px;
}

/* ====== Code Lang Label ====== */
.code-lang-label {
  position: absolute;
  top: 0;
  right: 0;
  padding: 4px 10px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-faint, #b8a8bc);
  background: rgba(0,0,0,0.05);
  border-bottom-left-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  user-select: none;
}
[data-theme="dark"] .code-lang-label {
  background: rgba(255,255,255,0.06);
  color: #a89ab0;
}
pre {
  position: relative;
}

/* ====== Lightbox ====== */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
  animation: fadeIn 0.2s ease;
}
.lightbox-img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}

/* ====== Hamburger ====== */
.hamburger {
  display: none;
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1100;
  width: 36px;
  height: 36px;
  background: var(--card-bg, #fff);
  border: 1px solid var(--border-color, #f0d6e8);
  border-radius: 8px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  cursor: pointer;
  padding: 8px;
}
.hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-primary, #5a4a5c);
  border-radius: 1px;
  transition: transform 0.2s, opacity 0.2s;
}
.nav-open .hamburger span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.nav-open .hamburger span:nth-child(2) { opacity: 0; }
.nav-open .hamburger span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

/* ====== Giscus ====== */
.giscus-comments {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color, #f0d6e8);
  min-height: 100px;
}

/* ====== Feature 1: TOC Scroll Highlight ====== */
.toc-list .toc-item a.active {
  color: var(--primary, #e87da0);
  font-weight: 700;
  position: relative;
}
.toc-list .toc-item a.active::before {
  content: '';
  position: absolute;
  left: -10px;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 14px;
  background: var(--primary, #e87da0);
  border-radius: 2px;
}

/* ====== Feature 2: Related Articles ====== */
.related-section {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color, #f0d6e8);
}
.related-section h3 {
  font-size: 1.1rem;
  color: var(--text-primary, #4a2c3e);
  margin-bottom: 16px;
}
.related-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}
.related-card {
  display: block;
  text-decoration: none;
  background: var(--card-bg, #fff);
  border: 1px solid var(--border-color, #f0d6e8);
  border-radius: 10px;
  padding: 14px;
  transition: all .2s;
  cursor: pointer;
}
.related-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(232, 125, 160, 0.15);
  border-color: var(--primary, #e87da0);
}
.related-card-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary, #4a2c3e);
  margin-bottom: 6px;
  line-height: 1.4;
}
.related-card-meta {
  font-size: 0.75rem;
  color: var(--text-faint, #b096a8);
}
.related-card-tags {
  margin-top: 6px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.related-card-tags span {
  font-size: 0.7rem;
  padding: 2px 7px;
  border-radius: 8px;
  white-space: nowrap;
}

/* ====== Feature 3: Search Keyword Highlight ====== */
mark.search-highlight {
  background: #ffe066;
  color: #4a2c3e;
  border-radius: 2px;
  padding: 0 2px;
}
[data-theme="dark"] mark.search-highlight {
  background: #6b5c00;
  color: #ffe066;
}

/* ====== Feature 4: Pinned Article ====== */
.article-item.pinned {
  border-left: 3px solid var(--primary, #e87da0);
  background: linear-gradient(135deg, rgba(232,125,160,0.06), transparent);
}
.pin-indicator {
  font-size: 0.7rem;
  margin-left: 4px;
  user-select: none;
}

/* ====== Feature 5: Site Runtime ====== */
.site-runtime {
  font-size: 0.72rem;
  color: var(--text-faint, #b096a8);
  text-align: center;
  padding: 4px 0;
}

/* ====== Feature 6: Article Views ====== */
.article-views {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  color: var(--text-faint, #b096a8);
  font-size: 0.85rem;
}
.article-views::before {
  content: '👁';
  font-size: 0.8rem;
}

/* ====== Feature 7: MD Editor Toolbar ====== */
.md-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 8px;
  padding: 6px;
  background: var(--card-bg-soft, #fdf2f7);
  border: 1px solid var(--border-color, #f0d6e8);
  border-radius: 8px;
}
.md-toolbar button {
  width: 32px;
  height: 28px;
  border: 1px solid var(--border-color, #f0d6e8);
  background: var(--card-bg, #fff);
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.75rem;
  color: var(--text-primary, #4a2c3e);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .15s;
  padding: 0;
}
.md-toolbar button:hover {
  background: var(--primary, #e87da0);
  color: #fff;
  border-color: var(--primary, #e87da0);
}
[data-theme="dark"] .md-toolbar {
  background: rgba(255,255,255,0.04);
}

/* ====== Feature 8: Code Preview Run ====== */
.code-run-btn {
  position: absolute;
  top: 6px;
  right: 70px;
  padding: 3px 10px;
  font-size: 0.72rem;
  border: 1px solid var(--border-color, #f0d6e8);
  background: var(--card-bg, #fff);
  border-radius: 5px;
  cursor: pointer;
  color: var(--primary, #e87da0);
  font-weight: 600;
  transition: all .15s;
  z-index: 2;
}
.code-run-btn:hover {
  background: var(--primary, #e87da0);
  color: #fff;
}
.code-preview-modal {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.code-preview-container {
  background: var(--card-bg, #fff);
  border-radius: 12px;
  width: 90vw;
  max-width: 900px;
  height: 80vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.code-preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color, #f0d6e8);
}
.code-preview-header span {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary, #4a2c3e);
}
.code-preview-header button {
  background: none;
  border: none;
  font-size: 1.3rem;
  cursor: pointer;
  color: var(--text-faint, #b096a8);
}
.code-preview-iframe {
  flex: 1;
  border: none;
  width: 100%;
}

/* ====== Feature 9: PWA Note (manifest/service worker handled in JS) ====== */

/* ====== Feature 10: Like Button ====== */
.like-section {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color, #f0d6e8);
  text-align: center;
}
.like-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border: 1px solid var(--border-color, #f0d6e8);
  background: var(--card-bg, #fff);
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text-primary, #4a2c3e);
  transition: all .2s;
  user-select: none;
}
.like-btn:hover {
  border-color: var(--primary, #e87da0);
  background: rgba(232,125,160,0.05);
}
.like-btn.liked {
  border-color: var(--primary, #e87da0);
  background: rgba(232,125,160,0.1);
  color: var(--primary, #e87da0);
}
.like-btn .like-icon {
  font-size: 1.1rem;
  transition: transform .2s;
}
.like-btn.liked .like-icon {
  transform: scale(1.2);
}
.like-count {
  font-weight: 600;
}

/* ====== Dark Mode for new features ====== */
[data-theme="dark"] .related-card {
  background: var(--card-bg, #2a1f28);
}
[data-theme="dark"] .code-run-btn {
  background: var(--card-bg, #2a1f28);
}
[data-theme="dark"] .md-toolbar button {
  background: var(--card-bg, #2a1f28);
}
[data-theme="dark"] .like-btn {
  background: var(--card-bg, #2a1f28);
}
[data-theme="dark"] .code-preview-container {
  background: var(--card-bg, #2a1f28);
}

/* ====== Mobile responsive for new features ====== */
@media (max-width: 768px) {
  .related-cards { grid-template-columns: 1fr; }
  .md-toolbar button { width: 28px; height: 26px; font-size: 0.7rem; }
  .code-run-btn { right: 8px; top: 36px; }
  .code-preview-container { width: 95vw; height: 85vh; }
}

/* ====== Mobile-only visibility helpers ====== */
.mobile-only { display: none; }

@media (max-width: 900px) {
  .mobile-only { display: block; }
  .mobile-only.inline-mobile { display: inline-block; }
  .mobile-only.flex-mobile { display: flex; }

  /* -------- Hamburger enlargement -------- */
  .hamburger {
    width: 48px;
    height: 48px;
    top: 10px;
    right: 10px;
    background: var(--card-bg, #fff8fb);
    border: 2px solid var(--border-color, #f0d6e8);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 6px 4px 2px;
  }
  .hamburger span {
    display: block;
    width: 22px;
    height: 2.5px;
    background: var(--text, #5a3e4e);
    border-radius: 2px;
  }
  .hamburger .hamburger-label {
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--brand, #e87da0);
    line-height: 1;
    margin-top: 2px;
  }

  /* -------- Mobile article list -------- */
  .mobile-article-list {
    margin: 16px 12px 20px;
    padding: 0;
  }
  .mobile-article-list-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text, #5a3e4e);
    margin: 0 0 12px 4px;
    padding: 0;
  }
  .mobile-article-cards {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .mobile-card {
    background: var(--card-bg, #fff8fb);
    border: 1.5px solid var(--border-color, #f0d6e8);
    border-radius: 12px;
    padding: 14px 16px;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s;
    user-select: none;
  }
  .mobile-card:active {
    transform: scale(0.97);
    box-shadow: 0 2px 12px rgba(232,125,160,0.15);
  }
  .mobile-card-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text, #5a3e4e);
    margin: 0 0 8px;
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .mobile-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
    font-size: 0.78rem;
    color: var(--text-faint, #b096a8);
  }
  .mobile-card-time {
    color: var(--brand, #e87da0);
    font-weight: 600;
  }
  .mobile-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
  }
  .mobile-card-tag {
    display: inline-block;
    padding: 2px 8px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--brand, #e87da0);
    background: var(--brand-ghost, rgba(232,125,160,0.1));
    border-radius: 10px;
  }

  /* -------- Intro-card nav button -------- */
  .mobile-intro-action {
    margin-top: 14px;
    text-align: center;
  }
  .mobile-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 10px 28px;
    font-size: 0.9rem;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--brand, #e87da0), #d46a8e);
    border: none;
    border-radius: 24px;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s;
    box-shadow: 0 3px 14px rgba(232,125,160,0.3);
  }
  .mobile-nav-btn:active {
    transform: scale(0.96);
    box-shadow: 0 1px 8px rgba(232,125,160,0.25);
  }
}

/* ====== Page Transition Animations ====== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Page content entrance */
.archive-container,
.about-container,
.article-content-wrapper,
.hero {
  animation: fadeInUp 0.45s ease both;
}

/* Stagger: article cards & list items */
.article-card,
.archive-item {
  opacity: 0;
  animation: fadeInUp 0.4s ease forwards;
}
.article-card:nth-child(1),  .archive-item:nth-child(1)  { animation-delay: 0.05s; }
.article-card:nth-child(2),  .archive-item:nth-child(2)  { animation-delay: 0.1s; }
.article-card:nth-child(3),  .archive-item:nth-child(3)  { animation-delay: 0.15s; }
.article-card:nth-child(4),  .archive-item:nth-child(4)  { animation-delay: 0.2s; }
.article-card:nth-child(5),  .archive-item:nth-child(5)  { animation-delay: 0.25s; }
.article-card:nth-child(6),  .archive-item:nth-child(6)  { animation-delay: 0.3s; }
.article-card:nth-child(7),  .archive-item:nth-child(7)  { animation-delay: 0.35s; }
.article-card:nth-child(8),  .archive-item:nth-child(8)  { animation-delay: 0.4s; }
.article-card:nth-child(9),  .archive-item:nth-child(9)  { animation-delay: 0.45s; }
.article-card:nth-child(10), .archive-item:nth-child(10) { animation-delay: 0.5s; }
.article-card:nth-child(n+11), .archive-item:nth-child(n+11) { animation-delay: 0.55s; }

/* Year groups also fade in */
.archive-year {
  animation: fadeInUp 0.4s ease both;
}
.archive-year:nth-child(1) { animation-delay: 0s; }
.archive-year:nth-child(2) { animation-delay: 0.08s; }
.archive-year:nth-child(3) { animation-delay: 0.16s; }
.archive-year:nth-child(4) { animation-delay: 0.24s; }
.archive-year:nth-child(n+5) { animation-delay: 0.3s; }

/* Smooth page transitions via browser navigation */
@view-transition { navigation: auto; }

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  .archive-container,
  .about-container,
  .article-content-wrapper,
  .hero,
  .article-card,
  .archive-item,
  .archive-year {
    animation: none !important;
    opacity: 1 !important;
  }
}