/* ============================================================
   Markdown Browser — Anthropic Theme
   ============================================================ */

:root {
  /* Anthropic-inspired palette */
  --bg-0:       #0E0D0C;
  --bg-1:       #1A1816;
  --bg-2:       #221F1C;
  --bg-3:       #2D2925;
  --bg-4:       #3A3530;

  --accent:          #D4622A;
  --accent-light:    #E07848;
  --accent-dim:      rgba(212, 98, 42, 0.18);
  --accent-border:   rgba(212, 98, 42, 0.35);

  --text-0:    #F5F0EA;
  --text-1:    #C8C0B6;
  --text-2:    #8C8680;
  --text-3:    #5A554F;

  --border:       #2D2925;
  --border-light: #3A3530;

  --link:         #E07848;
  --link-hover:   #F08858;

  --code-bg:      #131210;
  --code-border:  #2A2725;

  --selection-bg: rgba(212, 98, 42, 0.28);

  /* Layout */
  --header-h:   48px;
  --status-h:   28px;
  --sidebar-w:  272px;
  --radius:     6px;
  --radius-sm:  3px;
  --radius-lg:  10px;

  /* Typography */
  --font-ui:    -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono:  'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'SF Mono', Menlo, monospace;
  --font-serif: Georgia, 'Times New Roman', serif;
  --font-reading-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Transitions */
  --t:  120ms ease;
  --t2: 200ms ease;
}

/* ── Light theme overrides ─────────────────────────────────── */
:root[data-theme="light"] {
  --bg-0:       #EDE8E0;
  --bg-1:       #FAF8F5;
  --bg-2:       #F2EDE6;
  --bg-3:       #E8E0D6;
  --bg-4:       #D8CEC4;

  --accent:          #C4541E;
  --accent-light:    #D4622A;
  --accent-dim:      rgba(196, 84, 30, 0.12);
  --accent-border:   rgba(196, 84, 30, 0.28);

  --text-0:    #1A1816;
  --text-1:    #3A3330;
  --text-2:    #6E6660;
  --text-3:    #9E9890;

  --border:       #DDD6CC;
  --border-light: #CCC4BA;

  --link:         #B84E1A;
  --link-hover:   #C4541E;

  --code-bg:      #EDE8E0;
  --code-border:  #D8D0C8;

  --selection-bg: rgba(196, 84, 30, 0.18);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; }

body {
  font-family: var(--font-ui);
  font-size: 13px;
  color: var(--text-1);
  transition: background var(--t2), color var(--t2);
  background: var(--bg-1);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ============================================================
   Layout shell
   ============================================================ */

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: var(--bg-1);
}

/* Header */
#header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  padding: 0 12px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  gap: 12px;
  user-select: none;
}

#header-left  { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }

#app-logo {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-0);
  letter-spacing: -0.2px;
  white-space: nowrap;
  user-select: none;
}
#app-logo span { color: var(--accent); }
#header-center { flex: 1; min-width: 0; text-align: center; }
#header-right { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }

#folder-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-2);
  font-size: 12px;
}
#folder-breadcrumb svg { color: var(--accent); flex-shrink: 0; }
#folder-name {
  color: var(--accent);
  font-weight: 600;
  font-size: 12.5px;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
}

/* Breadcrumb inside viewer */
#file-breadcrumb {
  display: flex;
  align-items: center;
  gap: 7px;
  max-width: 780px;
  margin: 0 auto;
  padding: 18px 48px 0;
  font-size: 11.5px;
  color: var(--text-3);
  overflow: hidden;
}
#file-breadcrumb svg { flex-shrink: 0; color: var(--text-3); }
#file-path-display {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Main */
#main {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

/* Status bar */
#statusbar {
  display: flex;
  align-items: center;
  height: var(--status-h);
  padding: 0 14px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  font-size: 11.5px;
  color: var(--text-3);
  flex-shrink: 0;
  gap: 6px;
  user-select: none;
}
.status-sep { color: var(--border-light); }
#status-author { color: var(--text-3); font-size: 11px; }
#status-author a { color: var(--text-3); text-decoration: none; border: none; }
#status-author a:hover { color: var(--accent); }
#status-file { color: var(--text-2); max-width: 300px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#status-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
#status-live-indicator { display: flex; align-items: center; gap: 4px; }

/* ============================================================
   Buttons
   ============================================================ */

button { cursor: pointer; border: none; background: none; font-family: inherit; font-size: inherit; }

.btn-primary {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  height: 30px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius);
  font-size: 12.5px;
  font-weight: 500;
  transition: background var(--t);
}
.btn-primary:hover { background: var(--accent-light); }
.btn-primary.btn-large { height: 38px; padding: 0 18px; font-size: 14px; gap: 8px; }
.btn-primary svg { flex-shrink: 0; }

.btn-icon {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 8px;
  height: 28px;
  color: var(--text-2);
  border-radius: var(--radius-sm);
  font-size: 12px;
  transition: color var(--t), background var(--t);
}
.btn-icon:hover { color: var(--text-0); background: var(--bg-3); }
.btn-icon kbd {
  font-family: inherit;
  font-size: 10.5px;
  color: var(--text-3);
  background: var(--bg-3);
  border: 1px solid var(--border-light);
  border-radius: 3px;
  padding: 1px 4px;
}
.btn-small {
  padding: 3px 8px;
  background: var(--bg-3);
  color: var(--text-1);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-size: 11.5px;
  transition: background var(--t);
}
.btn-small:hover { background: var(--bg-4); }

.dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot-live { background: #5D9E72; box-shadow: 0 0 4px rgba(93,158,114,0.6); }
.dot-off  { background: var(--text-3); }

/* ============================================================
   Sidebar
   ============================================================ */

#sidebar {
  width: var(--sidebar-w);
  min-width: 160px;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  background: var(--bg-2);
  border-right: 1px solid var(--border);
  flex-shrink: 0;
  overflow: hidden;
}

#sidebar-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  padding: 0 4px;
  gap: 2px;
  flex-shrink: 0;
  background: var(--bg-2);
}

.sidebar-tab {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 10px;
  font-size: 11.5px;
  color: var(--text-2);
  border-bottom: 2px solid transparent;
  border-radius: 0;
  transition: color var(--t), border-color var(--t);
  white-space: nowrap;
}
.sidebar-tab:hover { color: var(--text-1); }
.sidebar-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.sidebar-panel { display: none; flex-direction: column; flex: 1; min-height: 0; overflow: hidden; }
.sidebar-panel.active { display: flex; }

.sidebar-filter {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.sidebar-filter svg { color: var(--text-3); flex-shrink: 0; }
.sidebar-filter input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-1);
  font-size: 12.5px;
  font-family: inherit;
  outline: none;
}
.sidebar-filter input::placeholder { color: var(--text-3); }

/* File tree */
#file-tree {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 4px 0;
}
#file-tree::-webkit-scrollbar { width: 4px; }
#file-tree::-webkit-scrollbar-track { background: transparent; }
#file-tree::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 2px; }
#file-tree::-webkit-scrollbar-thumb:hover { background: var(--bg-4); }

.tree-item {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  margin: 0 4px;
  color: var(--text-1);
  font-size: 12.5px;
  transition: background var(--t), color var(--t);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  user-select: none;
}
.tree-item:hover { background: var(--bg-3); }
.tree-item.active { background: var(--accent-dim); color: var(--accent-light); }
.tree-item.active .tree-icon { color: var(--accent); }

.tree-folder { font-weight: 500; }
.tree-folder .tree-arrow { font-size: 9px; color: var(--text-3); transition: transform var(--t); flex-shrink: 0; }
.tree-folder.open .tree-arrow { transform: rotate(90deg); }

.tree-children { display: none; }
.tree-children.open { display: block; }

.tree-icon { flex-shrink: 0; color: var(--text-3); }
.tree-icon-folder { color: var(--accent); opacity: 0.75; }
.tree-name { overflow: hidden; text-overflow: ellipsis; min-width: 0; }

/* TOC */
#toc {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}
#toc::-webkit-scrollbar { width: 4px; }
#toc::-webkit-scrollbar-track { background: transparent; }
#toc::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 2px; }

.toc-item {
  display: block;
  padding: 4px 14px;
  font-size: 12px;
  color: var(--text-2);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color var(--t), border-color var(--t), background var(--t);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.4;
}
.toc-item:hover { color: var(--text-1); background: var(--bg-3); }
.toc-item.active { color: var(--accent-light); border-left-color: var(--accent); }
.toc-h1 { padding-left: 14px; font-weight: 600; font-size: 12.5px; }
.toc-h2 { padding-left: 14px; }
.toc-h3 { padding-left: 24px; font-size: 11.5px; color: var(--text-3); }
.toc-h4 { padding-left: 34px; font-size: 11px; color: var(--text-3); }
.toc-h5, .toc-h6 { padding-left: 42px; font-size: 10.5px; color: var(--text-3); }

/* Recent files */
#recent-list { flex: 1; overflow-y: auto; padding: 4px 0; }
.recent-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 7px 12px;
  cursor: pointer;
  transition: background var(--t);
  border-bottom: 1px solid var(--border);
}
.recent-item:hover { background: var(--bg-3); }
.recent-item-name { font-size: 12.5px; color: var(--text-1); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.recent-item-path { font-size: 10.5px; color: var(--text-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Empty states */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 32px 16px;
  color: var(--text-3);
  text-align: center;
}
.empty-state svg { opacity: 0.4; }
.empty-state p { font-size: 12px; line-height: 1.5; }

/* Sidebar open-folder button */
.btn-open-sidebar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 12.5px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  margin-top: 4px;
  transition: background var(--t);
}
.btn-open-sidebar:hover { background: var(--accent-light); }

/* ============================================================
   Resize handle
   ============================================================ */

#resize-handle {
  width: 4px;
  background: var(--border);
  cursor: col-resize;
  flex-shrink: 0;
  transition: background var(--t);
  position: relative;
}
#resize-handle:hover,
#resize-handle.dragging { background: var(--accent); }

/* ============================================================
   Viewer
   ============================================================ */

#viewer {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--bg-1);
  position: relative;
}
#viewer::-webkit-scrollbar { width: 6px; }
#viewer::-webkit-scrollbar-track { background: transparent; }
#viewer::-webkit-scrollbar-thumb { background: var(--bg-4); border-radius: 3px; }
#viewer::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* Welcome screen */
#welcome {
  display: none;
  min-height: 100%;
  overflow-y: auto;
  padding: 40px 24px 60px;
}
#welcome.visible { display: block; }
#welcome::-webkit-scrollbar { width: 6px; }
#welcome::-webkit-scrollbar-thumb { background: var(--bg-4); border-radius: 3px; }

.welcome-inner {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* Hero row */
.welcome-hero {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 28px;
}
.welcome-logo { flex-shrink: 0; }
.welcome-hero h1 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-0);
  letter-spacing: -0.4px;
  line-height: 1.15;
  margin-bottom: 6px;
}
.welcome-hero h1 span { color: var(--accent); }
.welcome-tagline { font-size: 13.5px; color: var(--text-2); margin: 0; }

/* Open button */
#btn-open-welcome { align-self: flex-start; margin-bottom: 32px; }

/* Divider */
.welcome-divider {
  height: 1px;
  background: var(--border);
  margin-bottom: 32px;
}

/* Sections */
.welcome-section {
  margin-bottom: 24px;
}
.welcome-section h2 {
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3);
  margin-bottom: 10px;
}
.welcome-section > p {
  font-size: 13px;
  color: var(--text-2);
  opacity: 0.82;
  line-height: 1.65;
  margin-bottom: 8px;
}
.welcome-section > p:last-child { margin-bottom: 0; }
.welcome-section a { color: var(--accent); text-decoration: none; border-bottom: 1px solid var(--accent-border); }
.welcome-section a:hover { color: var(--accent-light); }
.welcome-section code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--bg-3);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 1px 5px;
  color: var(--accent-light);
}

/* Steps — compact */
.welcome-steps { display: flex; flex-direction: column; gap: 8px; }
.welcome-step {
  display: flex;
  gap: 10px;
  align-items: baseline;
}
.step-num {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  color: var(--accent);
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.welcome-step strong { font-size: 13px; color: var(--text-1); opacity: 0.88; }
.welcome-step p { display: inline; font-size: 12.5px; color: var(--text-2); opacity: 0.78; line-height: 1.5; margin: 0; }
.welcome-step strong::after { content: ' — '; font-weight: 400; }
.welcome-step kbd {
  font-family: inherit;
  font-size: 10px;
  color: var(--text-1);
  background: var(--bg-3);
  border: 1px solid var(--border-light);
  border-radius: 3px;
  padding: 1px 4px;
}

/* Shortcuts grid */
.welcome-shortcuts-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 16px;
  align-items: center;
}
.welcome-shortcuts-grid kbd {
  font-family: inherit;
  font-size: 11px;
  color: var(--text-1);
  background: var(--bg-3);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 2px 7px;
  white-space: nowrap;
  justify-self: start;
}
.welcome-shortcuts-grid span { font-size: 13px; color: var(--text-2); }

/* Features list */
.welcome-features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.welcome-features li {
  font-size: 12.5px;
  color: var(--text-2);
  opacity: 0.82;
  line-height: 1.5;
  padding-left: 14px;
  position: relative;
}
.welcome-features li::before {
  content: '·';
  color: var(--accent);
  font-weight: bold;
  position: absolute;
  left: 0;
}
.welcome-features strong { color: var(--text-1); font-weight: 600; opacity: 1; }

/* Settings panel links */
.settings-links {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-size: 11.5px;
  color: var(--text-3);
}
.settings-links a { color: var(--text-2); text-decoration: none; transition: color var(--t); }
.settings-links a:hover { color: var(--accent); }

/* Footer */
.welcome-footer {
  margin-top: 8px;
  font-size: 11.5px;
  color: var(--text-3);
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.welcome-footer a { color: var(--text-3); text-decoration: none; border: none; }
.welcome-footer a:hover { color: var(--accent); }

#content-wrapper { position: relative; }
#content-wrapper.hidden { display: none !important; }

#reading-progress {
  position: fixed;
  top: var(--header-h);
  left: 0;
  height: 2px;
  background: var(--accent);
  width: 0%;
  z-index: 50;
  transition: width 100ms linear;
  pointer-events: none;
}

/* ============================================================
   Markdown body styles
   ============================================================ */

#content {
  max-width: 780px;
  margin: 0 auto;
  padding: 40px 48px 80px;
  font-size: var(--reading-font-size, 16px);
  line-height: 1.75;
  color: var(--text-0);
  font-family: var(--reading-font, var(--font-reading-sans));
}

#content ::selection { background: var(--selection-bg); }

/* Headings */
#content h1, #content h2, #content h3,
#content h4, #content h5, #content h6 {
  color: var(--text-0);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.2px;
  margin-top: 2em;
  margin-bottom: 0.6em;
  scroll-margin-top: 80px;
}
#content h1 { font-size: 2em; letter-spacing: -0.5px; }
#content h2 { font-size: 1.45em; padding-bottom: 0.3em; border-bottom: 1px solid var(--border); }
#content h3 { font-size: 1.2em; }
#content h4 { font-size: 1em; color: var(--text-1); }
#content h5 { font-size: 0.9em; color: var(--text-1); }
#content h6 { font-size: 0.85em; color: var(--text-2); }
#content > *:first-child,
#content > *:first-child + * { margin-top: 0; }

/* Paragraphs & text */
#content p { margin: 0 0 1.1em; }
#content strong { color: var(--text-0); font-weight: 600; }
#content em { color: var(--text-1); font-style: italic; }
#content del { color: var(--text-3); }
#content mark { background: rgba(212, 98, 42, 0.28); color: var(--text-0); border-radius: 2px; padding: 0 2px; }

/* Links */
#content a {
  color: var(--link);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-border);
  transition: color var(--t), border-color var(--t);
}
#content a:hover { color: var(--link-hover); border-bottom-color: var(--accent-light); }

/* Code inline */
#content :not(pre) > code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  color: #E07848;
  border-radius: var(--radius-sm);
  padding: 1px 5px;
}

/* Code blocks */
#content .code-block {
  position: relative;
  margin: 1.4em 0;
  border-radius: var(--radius);
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  overflow: hidden;
}
#content .code-block .code-lang {
  display: block;
  padding: 6px 14px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-3);
  background: var(--bg-0);
  border-bottom: 1px solid var(--code-border);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
#content .code-block pre {
  margin: 0;
  padding: 16px;
  overflow-x: auto;
}
#content .code-block pre::-webkit-scrollbar { height: 4px; }
#content .code-block pre::-webkit-scrollbar-track { background: transparent; }
#content .code-block pre::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 2px; }
#content .code-block code {
  font-family: var(--font-mono);
  font-size: 0.835em;
  line-height: 1.65;
  color: var(--text-0);
  background: none;
  border: none;
  padding: 0;
  display: block;
}
#content .code-block .copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 3px 8px;
  background: var(--bg-3);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-size: 10.5px;
  opacity: 0;
  transition: opacity var(--t), background var(--t);
}
#content .code-block:hover .copy-btn { opacity: 1; }
#content .code-block .copy-btn:hover { background: var(--bg-4); color: var(--text-0); }

/* Blockquote */
#content blockquote {
  margin: 1.4em 0;
  padding: 12px 18px;
  border-left: 3px solid var(--accent);
  background: var(--accent-dim);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-1);
}
#content blockquote > *:last-child { margin-bottom: 0; }

/* Lists */
#content ul, #content ol {
  margin: 0 0 1.1em;
  padding-left: 1.7em;
}
#content li { margin-bottom: 0.25em; }
#content li > ul, #content li > ol { margin-bottom: 0; margin-top: 0.2em; }
#content ul { list-style: none; }
#content ul li::before {
  content: '·';
  color: var(--accent);
  font-weight: bold;
  display: inline-block;
  width: 1em;
  margin-left: -1em;
}

/* Task list */
#content .task-item { list-style: none; }
#content .task-item::before { content: none; }
#content .task-item input[type="checkbox"] {
  appearance: none;
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--border-light);
  border-radius: 3px;
  margin-right: 7px;
  vertical-align: middle;
  position: relative;
  top: -1px;
  background: var(--bg-2);
  flex-shrink: 0;
  cursor: default;
}
#content .task-item input[type="checkbox"]:checked {
  background: var(--accent);
  border-color: var(--accent);
}
#content .task-item input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  color: #fff;
  font-size: 9px;
  top: -1px;
  left: 1px;
}

/* Tables */
#content .table-wrapper { overflow-x: auto; margin: 1.4em 0; }
#content table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.9em;
}
#content th {
  background: var(--bg-2);
  color: var(--text-1);
  font-weight: 600;
  padding: 9px 14px;
  border: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
}
#content td {
  padding: 8px 14px;
  border: 1px solid var(--border);
  color: var(--text-1);
  vertical-align: top;
}
#content tr:nth-child(even) td { background: var(--bg-2); }
#content tr:hover td { background: var(--bg-3); }

/* HR */
#content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.5em 0;
}

/* Images */
#content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  display: block;
  margin: 1em auto;
}

/* Front matter panel */
.frontmatter-panel {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 2em;
  font-size: 12px;
}
.frontmatter-panel h4 {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-3);
  margin: 0 0 8px;
  font-weight: 600;
}
.frontmatter-grid { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; }
.frontmatter-key { color: var(--text-2); font-size: 11.5px; white-space: nowrap; }
.frontmatter-val { color: var(--text-1); font-size: 11.5px; }
.frontmatter-tag {
  display: inline-block;
  padding: 1px 7px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  color: var(--accent-light);
  border-radius: 20px;
  font-size: 10.5px;
  margin: 1px 2px;
}

/* Syntax highlighting tokens */
.hl-keyword  { color: #CF8AE0; }
.hl-string   { color: #98C379; }
.hl-number   { color: #D19A66; }
.hl-comment  { color: #5A6672; font-style: italic; }
.hl-function { color: #61AFEF; }
.hl-class    { color: #E5C07B; }
.hl-operator { color: #56B6C2; }
.hl-builtin  { color: #E06C75; }
.hl-variable { color: var(--text-0); }
.hl-punctuation { color: var(--text-2); }
.hl-tag      { color: #E06C75; }
.hl-attr     { color: #D19A66; }
.hl-value    { color: #98C379; }
.hl-type     { color: #E5C07B; }
.hl-decorator { color: #61AFEF; }
.hl-regex    { color: #98C379; }
.hl-property { color: #E06C75; }

/* ============================================================
   Command Palette
   ============================================================ */

#command-palette {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 14vh;
}
#command-palette.hidden { display: none; }

#palette-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10,9,8,0.7);
  backdrop-filter: blur(4px);
}

#palette-modal {
  position: relative;
  width: 560px;
  max-width: calc(100vw - 40px);
  background: var(--bg-2);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
  overflow: hidden;
}

#palette-search-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
}
#palette-search-row svg { color: var(--text-3); flex-shrink: 0; }
#palette-input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-0);
  font-size: 15px;
  font-family: inherit;
  outline: none;
}
#palette-input::placeholder { color: var(--text-3); }
.palette-esc {
  font-family: inherit;
  font-size: 10px;
  color: var(--text-3);
  background: var(--bg-3);
  border: 1px solid var(--border-light);
  border-radius: 3px;
  padding: 1px 5px;
  flex-shrink: 0;
}

#palette-results { max-height: 360px; overflow-y: auto; }
#palette-results::-webkit-scrollbar { width: 4px; }
#palette-results::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 2px; }

.palette-section-label {
  padding: 7px 14px 4px;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-3);
  font-weight: 600;
}

.palette-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 9px 14px;
  cursor: pointer;
  transition: background var(--t);
}
.palette-item:hover,
.palette-item.selected { background: var(--bg-3); }
.palette-item.selected { background: var(--accent-dim); }
.palette-item-icon { color: var(--text-3); flex-shrink: 0; margin-top: 1px; }
.palette-item-info { flex: 1; min-width: 0; }
.palette-item-name { font-size: 13px; color: var(--text-0); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.palette-item-path { font-size: 11px; color: var(--text-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin-top: 1px; }
.palette-item-snippet { font-size: 11.5px; color: var(--text-2); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.palette-item-snippet mark { background: rgba(212,98,42,0.3); color: var(--accent-light); border-radius: 2px; padding: 0 1px; }
.palette-item-name mark { background: rgba(212,98,42,0.3); color: var(--accent-light); border-radius: 2px; padding: 0 1px; }

#palette-footer {
  display: flex;
  gap: 16px;
  padding: 8px 14px;
  border-top: 1px solid var(--border);
  font-size: 10.5px;
  color: var(--text-3);
}
#palette-footer kbd {
  font-family: inherit;
  font-size: 10px;
  color: var(--text-2);
  background: var(--bg-3);
  border: 1px solid var(--border-light);
  border-radius: 3px;
  padding: 1px 4px;
  margin-right: 3px;
}

/* ============================================================
   Settings panel
   ============================================================ */

#settings-panel {
  position: fixed;
  inset: 0;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
}
#settings-panel.hidden { display: none; }

#settings-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10,9,8,0.6);
  backdrop-filter: blur(3px);
}

#settings-modal {
  position: relative;
  width: 380px;
  background: var(--bg-2);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
  overflow: hidden;
}

#settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}
#settings-header h2 { font-size: 14px; font-weight: 600; color: var(--text-0); }

#settings-body { padding: 16px 18px; display: flex; flex-direction: column; gap: 16px; }

.setting-group {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.setting-group label { font-size: 12.5px; color: var(--text-1); flex-shrink: 0; }
.setting-control { display: flex; align-items: center; gap: 8px; }
#font-size-display { font-size: 12px; color: var(--text-2); min-width: 36px; text-align: center; }

.setting-group select {
  background: var(--bg-3);
  border: 1px solid var(--border-light);
  color: var(--text-1);
  font-family: inherit;
  font-size: 12px;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  outline: none;
  cursor: pointer;
}
.setting-group select:focus { border-color: var(--accent); }

/* ============================================================
   Utility
   ============================================================ */

.hidden { display: none !important; }
.visible { display: flex !important; }

/* Focus ring */
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
input:focus-visible { outline: none; }