/* ============================================================
   Geek Discord — Personal Site
   Design tokens & global styles
   ============================================================ */

:root {
  /* Discord-accurate palette */
  --bg-app:         #202225;   /* outermost (app bg)       */
  --bg-server:      #1E1F22;   /* server list rail         */
  --bg-channels:    #2B2D31;   /* channel list             */
  --bg-main:        #313338;   /* main chat / content      */
  --bg-elevated:    #383A40;   /* cards / messages hover   */
  --bg-elevated-2:  #404249;   /* active channel, mentions */
  --bg-input:       #1E1F22;   /* input bar                */
  --bg-code:        #1E1F22;
  --bg-inline-code: #2B2D31;

  --border-subtle:  #3F4147;
  --border-strong:  #4E5058;

  --text-primary:   #F2F3F5;
  --text-normal:    #DBDEE1;
  --text-muted:     #949BA4;
  --text-faint:     #6D6F78;
  --text-link:      #00A8FC;

  --blurple:        #5865F2;
  --blurple-hover:  #4752C4;
  --blurple-faint:  rgba(88, 101, 242, 0.12);

  --success:        #23A55A;
  --warning:        #F0B232;
  --danger:         #ED4245;

  --tag-rust:       #E07F5A;
  --tag-js:         #F7DF1E;
  --tag-ts:         #3178C6;
  --tag-py:         #3776AB;
  --tag-go:         #00ADD8;
  --tag-vim:        #199F4B;

  /* Typography */
  --font-sans:  "gg sans", "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono:  "JetBrains Mono", "JetBrains Mono NL", "Fira Code", Consolas, monospace;

  /* Sizing */
  --rail-server:  72px;
  --rail-channels: 240px;
  --topbar-h:      48px;
  --content-max:   640px;

  /* Effects */
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  14px;
  --radius-pill: 999px;

  --shadow-soft: 0 2px 10px rgba(0, 0, 0, 0.18);
  --shadow-lift: 0 8px 24px rgba(0, 0, 0, 0.28);

  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg-app);
  color: var(--text-normal);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow: hidden; /* the app shell controls its own scroll */
}

a {
  color: var(--text-link);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

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

input, textarea {
  font-family: inherit;
  color: inherit;
}

/* ---------- App shell ---------- */
.app {
  display: grid;
  grid-template-columns: var(--rail-server) var(--rail-channels) 1fr;
  height: 100vh;
  min-height: 100dvh;
  background: var(--bg-app);
}

/* Server rail (left) */
.server-rail {
  background: var(--bg-server);
  padding: 12px 0 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  overflow-y: auto;
  scrollbar-width: thin;
}
.server-rail::-webkit-scrollbar { width: 4px; }
.server-rail::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 2px; }

.server-icon {
  width: 48px;
  height: 48px;
  border-radius: 24px;
  background: var(--bg-channels);
  display: grid;
  place-items: center;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 16px;
  position: relative;
  transition: border-radius .15s var(--ease), background .15s var(--ease), color .15s var(--ease);
}
.server-icon:hover {
  border-radius: 16px;
  background: var(--blurple);
  color: #fff;
}
.server-icon.is-active {
  border-radius: 16px;
  background: var(--blurple);
  color: #fff;
}
.server-icon.is-active::before {
  content: "";
  position: absolute;
  left: -16px;
  top: 12px;
  bottom: 12px;
  width: 4px;
  border-radius: 0 4px 4px 0;
  background: #fff;
}
.server-icon svg { width: 24px; height: 24px; }
.server-divider {
  width: 32px;
  height: 2px;
  background: var(--border-subtle);
  border-radius: 1px;
  margin: 4px 0;
}

/* Channel list (middle) */
.channel-col {
  background: var(--bg-channels);
  display: flex;
  flex-direction: column;
  min-height: 0;
  border-right: 1px solid #1f2024;
}

.channel-header {
  height: 48px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #1f2024;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 15px;
  box-shadow: 0 1px 0 rgba(0,0,0,0.2);
}
.channel-header .menu-btn {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: 6px;
  color: var(--text-muted);
  transition: background .15s;
}
.channel-header .menu-btn:hover { background: var(--bg-elevated-2); color: var(--text-primary); }

.channel-list {
  padding: 8px 8px 16px;
  flex: 1;
  overflow-y: auto;
  scrollbar-width: thin;
}
.channel-list::-webkit-scrollbar { width: 6px; }
.channel-list::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }

.channel-section {
  margin-top: 14px;
  padding: 0 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.channel-section .add {
  width: 16px; height: 16px;
  display: grid; place-items: center;
  border-radius: 4px;
  cursor: pointer;
  opacity: 0;
  transition: opacity .15s, background .15s;
}
.channel-section:hover .add { opacity: 1; }
.channel-section .add:hover { background: var(--bg-elevated-2); color: var(--text-primary); }

.channel-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  margin: 1px 0;
  border-radius: 4px;
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  transition: background .12s, color .12s;
  user-select: none;
}
.channel-item .hash {
  font-size: 18px;
  font-weight: 600;
  width: 16px;
  text-align: center;
  color: var(--text-faint);
  transition: color .12s;
}
.channel-item:hover {
  background: var(--bg-elevated);
  color: var(--text-normal);
}
.channel-item:hover .hash { color: var(--text-muted); }
.channel-item.is-active {
  background: var(--bg-elevated-2);
  color: var(--text-primary);
}
.channel-item.is-active .hash { color: var(--text-muted); }

.user-bar {
  height: 52px;
  padding: 0 8px;
  background: var(--bg-server);
  display: flex;
  align-items: center;
  gap: 8px;
}
.user-bar .avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--blurple);
  display: grid; place-items: center;
  color: #fff; font-weight: 600;
  font-size: 13px;
}
.user-bar .meta {
  flex: 1;
  font-size: 13px;
  line-height: 1.25;
}
.user-bar .meta .name { color: var(--text-primary); font-weight: 600; }
.user-bar .meta .handle { color: var(--text-muted); }
.user-bar .ctrl {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: 4px;
  color: var(--text-muted);
  transition: background .15s, color .15s;
}
.user-bar .ctrl:hover { background: var(--bg-elevated-2); color: var(--text-primary); }

/* Main pane */
.main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--bg-main);
}

.topbar {
  height: 48px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid #1f2024;
  box-shadow: 0 1px 0 rgba(0,0,0,0.2);
  background: var(--bg-main);
}
.topbar .crumb {
  display: flex; align-items: center; gap: 6px;
  font-weight: 600;
  color: var(--text-primary);
}
.topbar .crumb svg { color: var(--text-muted); }
.topbar .divider {
  width: 1px; height: 24px;
  background: var(--border-subtle);
  margin: 0 4px;
}
.topbar .topic {
  color: var(--text-muted);
  font-size: 13px;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.topbar .search-mini {
  position: relative;
  width: 220px;
}
.topbar .search-mini input {
  width: 100%;
  height: 28px;
  padding: 0 10px 0 30px;
  border-radius: 4px;
  background: var(--bg-input);
  border: 1px solid #1f2024;
  color: var(--text-normal);
  font-size: 13px;
  outline: none;
  transition: border-color .15s;
}
.topbar .search-mini input:focus { border-color: var(--blurple); }
.topbar .search-mini svg {
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 16px; height: 16px;
}
.topbar .icon-btn {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: 4px;
  color: var(--text-muted);
  transition: background .15s, color .15s;
}
.topbar .icon-btn:hover { background: var(--bg-elevated-2); color: var(--text-primary); }

.viewport {
  flex: 1;
  overflow-y: auto;
  scrollbar-width: thin;
  scroll-behavior: smooth;
}
.viewport::-webkit-scrollbar { width: 8px; }
.viewport::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 4px; }

/* Mobile menu button (hidden on desktop) */
.mobile-only { display: none; }

/* ============================================================
   HOME VIEW
   ============================================================ */
.home-wrap {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 32px 32px 80px;
}

.welcome-banner {
  background:
    radial-gradient(1200px 300px at 100% 0%, rgba(88,101,242,0.20), transparent 60%),
    radial-gradient(900px 220px at 0% 100%, rgba(35,165,90,0.14), transparent 60%),
    var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin-bottom: 32px;
  position: relative;
  overflow: hidden;
}
.welcome-banner .label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  padding: 4px 10px;
  background: rgba(0,0,0,0.25);
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}
.welcome-banner .label::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px rgba(35,165,90,0.25);
}
.welcome-banner h1 {
  margin: 0 0 8px;
  font-size: 28px;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.welcome-banner p {
  margin: 0;
  color: var(--text-muted);
  max-width: 56ch;
}
.welcome-banner .shortcuts {
  display: flex;
  gap: 8px;
  margin-top: 20px;
  flex-wrap: wrap;
}
.kbd {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 8px;
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  color: var(--text-muted);
}

.section-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin: 28px 0 14px;
}
.section-title h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.section-title .hint {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* Quick nav cards (3 big entries) */
.quick-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.quick-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px;
  cursor: pointer;
  transition: transform .15s var(--ease), background .15s, border-color .15s, box-shadow .15s;
  position: relative;
  overflow: hidden;
}
.quick-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 60%, rgba(88,101,242,0.08));
  opacity: 0;
  transition: opacity .2s;
}
.quick-card:hover {
  transform: translateY(-2px);
  background: var(--bg-elevated-2);
  border-color: var(--blurple);
  box-shadow: var(--shadow-lift);
}
.quick-card:hover::after { opacity: 1; }
.quick-card .badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--blurple);
  background: var(--blurple-faint);
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
}
.quick-card h3 {
  margin: 0 0 6px;
  font-size: 17px;
  color: var(--text-primary);
}
.quick-card p {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Recent posts list */
.post-row {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  gap: 16px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .15s, border-color .15s;
  align-items: center;
  margin-bottom: 6px;
}
.post-row:hover {
  border-color: var(--border-subtle);
  background: var(--bg-elevated-2);
}
.post-row .date {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}
.post-row .title {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.post-row .meta {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  gap: 8px;
  align-items: center;
}
.post-row .pill {
  font-family: var(--font-mono);
  font-size: 11px;
  background: rgba(0,0,0,0.25);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  color: var(--text-muted);
}
.post-row .arrow { color: var(--text-faint); }

/* ============================================================
   LIST VIEWS (articles / tutorials / notes)
   ============================================================ */
.list-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 32px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-main);
  position: sticky;
  top: 0;
  z-index: 5;
  flex-wrap: wrap;
}
.list-toolbar .title {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 16px;
  margin-right: 8px;
}
.list-toolbar .chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.chip {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--bg-elevated);
  color: var(--text-muted);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .15s;
}
.chip:hover {
  background: var(--bg-elevated-2);
  color: var(--text-normal);
}
.chip.is-active {
  background: var(--blurple-faint);
  color: var(--blurple);
  border-color: var(--blurple);
}
.list-toolbar .spacer { flex: 1; }
.list-toolbar select {
  background: var(--bg-elevated);
  color: var(--text-normal);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 12px;
  outline: none;
}

/* Article list cards */
.article-list {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 16px 32px 80px;
}
.article-card {
  background: var(--bg-elevated);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: 18px 20px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: background .15s, border-color .15s, transform .15s var(--ease);
}
.article-card:hover {
  background: var(--bg-elevated-2);
  border-color: var(--border-subtle);
  transform: translateX(2px);
}
.article-card .head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.article-card .head .dot { color: var(--text-faint); }
.article-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--text-primary);
  line-height: 1.35;
}
.article-card .excerpt {
  margin: 0 0 12px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
}
.article-card .foot {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.tag {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(0,0,0,0.25);
  color: var(--text-muted);
  border: 1px solid transparent;
}
.tag.t-rust   { color: var(--tag-rust); border-color: rgba(224,127,90,0.4); }
.tag.t-js     { color: var(--tag-js); border-color: rgba(247,223,30,0.4); }
.tag.t-ts     { color: var(--tag-ts); border-color: rgba(49,120,198,0.4); }
.tag.t-py     { color: var(--tag-py); border-color: rgba(55,118,171,0.4); }
.tag.t-go     { color: var(--tag-go); border-color: rgba(0,173,216,0.4); }
.tag.t-vim    { color: var(--tag-vim); border-color: rgba(25,159,75,0.4); }

.diff-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(0,0,0,0.25);
}
.diff-badge.b-beginner { color: var(--success); }
.diff-badge.b-intermediate { color: var(--warning); }
.diff-badge.b-advanced { color: var(--danger); }

/* Tutorial cards (with steps/progress) */
.tut-card {
  background: var(--bg-elevated);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: 18px 20px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: background .15s, border-color .15s;
}
.tut-card:hover { background: var(--bg-elevated-2); border-color: var(--border-subtle); }
.tut-card .head-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.tut-card h3 {
  margin: 0;
  font-size: 17px;
  color: var(--text-primary);
}
.tut-card .topic {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}
.tut-card .excerpt {
  margin: 0 0 12px;
  color: var(--text-muted);
  font-size: 14px;
}
.tut-card .progress {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}
.tut-card .bar {
  flex: 1;
  height: 4px;
  background: rgba(0,0,0,0.25);
  border-radius: 2px;
  overflow: hidden;
  max-width: 240px;
}
.tut-card .bar > div {
  height: 100%;
  background: var(--blurple);
  border-radius: 2px;
}

/* Notes grid (knowledge base) */
.notes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
  padding: 24px 32px 80px;
}
.note-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--blurple);
  border-radius: var(--radius-md);
  padding: 16px;
  cursor: pointer;
  transition: transform .15s var(--ease), background .15s, box-shadow .15s;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 130px;
}
.note-card:hover {
  transform: translateY(-2px);
  background: var(--bg-elevated-2);
  box-shadow: var(--shadow-lift);
}
.note-card .title {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.35;
}
.note-card .snippet {
  color: var(--text-muted);
  font-size: 12.5px;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.note-card .foot {
  margin-top: auto;
  display: flex;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
  align-items: center;
}
.note-card .foot .sep { opacity: .5; }

/* ============================================================
   READER (long-form view)
   ============================================================ */
.reader-wrap {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 40px 32px 100px;
}
/* When TOC is present, expand wrap to fit grid columns. */
.reader-wrap:has(> .with-toc) {
  max-width: none;
  width: 100%;
  padding-left: 32px;
  padding-right: 32px;
}
.with-toc > article {
  max-width: var(--content-max);
  justify-self: stretch;
}
.reader-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 24px;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 6px;
  transition: background .15s, color .15s;
}
.reader-back:hover { background: var(--bg-elevated); color: var(--text-primary); }
.reader-back svg { width: 16px; height: 16px; }

.reader-header {
  margin-bottom: 28px;
}
.reader-header .meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.reader-header h1 {
  font-size: 32px;
  line-height: 1.2;
  margin: 0 0 12px;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.reader-header .lede {
  font-size: 17px;
  color: var(--text-muted);
  margin: 0;
  max-width: 60ch;
  line-height: 1.6;
}

/* Article typography */
.article-prose {
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-normal);
}
.article-prose h2 {
  font-size: 22px;
  margin: 40px 0 12px;
  color: var(--text-primary);
  letter-spacing: -0.005em;
}
.article-prose h3 {
  font-size: 18px;
  margin: 28px 0 10px;
  color: var(--text-primary);
}
.article-prose p { margin: 0 0 16px; }
.article-prose ul, .article-prose ol { padding-left: 22px; margin: 0 0 16px; }
.article-prose li { margin-bottom: 6px; }
.article-prose a { color: var(--text-link); }
.article-prose a:hover { text-decoration: underline; }
.article-prose strong { color: var(--text-primary); font-weight: 700; }
.article-prose em { color: var(--text-muted); }
.article-prose blockquote {
  margin: 16px 0;
  padding: 8px 14px;
  border-left: 3px solid var(--blurple);
  background: var(--blurple-faint);
  border-radius: 0 6px 6px 0;
  color: var(--text-normal);
}
.article-prose blockquote p:last-child { margin-bottom: 0; }
.article-prose hr {
  border: none;
  border-top: 1px solid var(--border-subtle);
  margin: 28px 0;
}

/* Inline code */
.article-prose code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  padding: 2px 6px;
  background: var(--bg-inline-code);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  color: #e6db74; /* matches tomorrow scheme */
}

/* Code blocks */
.code-block {
  margin: 16px 0 22px;
  background: var(--bg-code);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.code-block {
  margin: 16px 0 22px;
  background: var(--bg-code);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
}
.code-block .head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 12px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}
.code-block .head .lang {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.code-block .head .lang::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--text-faint);
}
.code-block .head .head-tools {
  display: inline-flex;
  gap: 4px;
  align-items: center;
}
.code-block .head .code-btn {
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid transparent;
  transition: background .15s, color .15s, border-color .15s;
}
.code-block .head .code-btn:hover {
  background: var(--bg-elevated-2);
  color: var(--text-primary);
}
.code-block .head .code-btn[data-collapse] svg {
  transition: transform .15s var(--ease);
}
.code-block.is-collapsed .head .code-btn[data-collapse] svg {
  transform: rotate(-90deg);
}
.code-block .head .copy-btn .ic-check { display: none; }
.code-block .head .copy-btn.is-copied .ic-clipboard { display: none; }
.code-block .head .copy-btn.is-copied .ic-check {
  display: inline-block;
  color: var(--success);
}
.code-block .head .copy-btn .copy-text {
  font-family: var(--font-mono);
  font-size: 11px;
}
.code-block pre[class*="language-"] {
  margin: 0;
  padding: 14px 16px;
  background: var(--bg-code) !important;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  overflow-x: auto;
  scrollbar-width: thin;
}
.code-block pre[class*="language-"]::-webkit-scrollbar { height: 6px; }
.code-block pre[class*="language-"]::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
/* Collapse state: clip tall blocks + fade mask at bottom + expand affordance */
.code-block.is-collapsed pre[class*="language-"] {
  max-height: 320px;
  overflow: hidden;
  position: relative;
  -webkit-mask-image: linear-gradient(180deg, #000 70%, transparent);
          mask-image: linear-gradient(180deg, #000 70%, transparent);
}
.code-block .code-expand-hint {
  position: absolute;
  bottom: 8px;
  right: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-code);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
  pointer-events: none;
}
.code-block:not(.is-collapsed) .code-expand-hint { display: none; }
/* Fullscreen overlay */
.code-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.86);
  z-index: 300;
  display: grid;
  place-items: center;
  padding: 32px;
  animation: fadeIn .15s var(--ease);
}
.code-overlay-inner {
  background: var(--bg-code);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  max-width: min(1100px, 95vw);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.code-overlay-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}
.code-overlay-head .lang {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.code-overlay-head .lang::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--text-faint);
}
.code-overlay-head .code-btn {
  cursor: pointer;
  padding: 0 10px;
  font-size: 18px;
  color: var(--text-muted);
  border-radius: 4px;
  transition: background .15s, color .15s;
}
.code-overlay-head .code-btn:hover { background: var(--bg-elevated-2); color: var(--text-primary); }
.code-overlay-body {
  overflow: auto;
  flex: 1;
}
.code-overlay-body pre[class*="language-"] {
  margin: 0;
  padding: 18px 20px;
  background: var(--bg-code) !important;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.65;
}

/* TOC (sticky) */
.with-toc {
  display: grid;
  grid-template-columns: 1fr 200px;
  gap: 32px;
}
.toc {
  position: sticky;
  top: 24px;
  align-self: start;
  font-size: 13px;
  color: var(--text-muted);
  border-left: 1px solid var(--border-subtle);
  padding-left: 16px;
  max-height: calc(100vh - 80px);
  overflow-y: auto;
}
.toc h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin: 0 0 10px;
  color: var(--text-faint);
}
.toc ul { list-style: none; padding: 0; margin: 0; }
.toc li { margin-bottom: 6px; }
.toc a {
  color: var(--text-muted);
  display: block;
  padding: 2px 0;
  border-left: 2px solid transparent;
  padding-left: 8px;
  margin-left: -10px;
}
.toc a:hover { color: var(--text-primary); text-decoration: none; }
.toc a.active {
  color: var(--blurple);
  border-left-color: var(--blurple);
}

/* Step nav for tutorials */
.tut-steps {
  display: flex;
  gap: 4px;
  margin: 20px 0;
  padding: 8px;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  overflow-x: auto;
}
.tut-step {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 4px;
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s, color .15s;
}
.tut-step:hover { background: var(--bg-elevated-2); color: var(--text-primary); }
.tut-step.is-active {
  background: var(--blurple);
  color: #fff;
}
.tut-step.is-done {
  color: var(--success);
}

/* ============================================================
   SEARCH RESULTS OVERLAY
   ============================================================ */
.search-results {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 24px 32px 80px;
}
.search-results h2 {
  font-size: 16px;
  margin: 0 0 16px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}
.search-results h2 .count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  background: var(--bg-elevated);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}
.search-hit {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: background .15s;
}
.search-hit:hover { background: var(--bg-elevated-2); }
.search-hit .head {
  display: flex;
  gap: 8px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.search-hit .title { color: var(--text-primary); font-weight: 600; font-size: 14px; margin-bottom: 4px; }
.search-hit .snippet { color: var(--text-muted); font-size: 13px; line-height: 1.5; }
.search-hit mark {
  background: rgba(88,101,242,0.35);
  color: var(--text-primary);
  padding: 0 2px;
  border-radius: 2px;
}

/* ============================================================
   EMPTY STATES
   ============================================================ */
.empty {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-muted);
}
.empty svg {
  width: 56px; height: 56px;
  opacity: .35;
  margin-bottom: 16px;
}
.empty h3 { color: var(--text-primary); margin: 0 0 8px; }

/* ============================================================
   RESPONSIVE — tablet & mobile
   ============================================================ */
@media (max-width: 980px) {
  .with-toc { grid-template-columns: 1fr; }
  .toc { display: none; }
  .quick-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --rail-server: 0px; }
  .app {
    grid-template-columns: 0 0 1fr;
  }
  .server-rail {
    position: fixed;
    left: 0; top: 0; bottom: 0;
    width: 72px;
    z-index: 50;
    transform: translateX(-100%);
    transition: transform .25s var(--ease);
    background: var(--bg-server);
    border-right: 1px solid #1f2024;
  }
  .server-rail.is-open { transform: translateX(0); }
  .channel-col {
    position: fixed;
    left: 0; top: 0; bottom: 0;
    width: 80%;
    max-width: 280px;
    z-index: 60;
    transform: translateX(-100%);
    transition: transform .25s var(--ease);
    border-right: 1px solid #1f2024;
  }
  .channel-col.is-open { transform: translateX(0); }
  .mobile-only { display: grid; }
  .scrim {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.55);
    z-index: 45;
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s;
  }
  .scrim.is-open { opacity: 1; pointer-events: auto; }
  .home-wrap, .article-list, .reader-wrap, .notes-grid, .search-results {
    padding-left: 18px;
    padding-right: 18px;
  }
  .welcome-banner { padding: 22px; }
  .welcome-banner h1 { font-size: 22px; }
  .reader-header h1 { font-size: 24px; }
  .article-prose { font-size: 15.5px; }
  .post-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .post-row .date { font-size: 11px; }
  .topbar .topic { display: none; }
  .topbar .search-mini { width: 160px; }
}

/* ---------- Highlight theme: Tomorrow-Night-ish on Discord bg ---------- */
.token.comment, .token.prolog, .token.cdata { color: #6c7886; }
.token.punctuation { color: #c5c8c6; }
.token.property, .token.tag, .token.boolean, .token.number, .token.constant, .token.symbol, .token.deleted { color: #de935f; }
.token.selector, .token.attr-name, .token.string, .token.char, .token.builtin, .token.inserted { color: #b5bd68; }
.token.operator, .token.entity, .token.url, .language-css .token.string, .style .token.string { color: #81a2be; }
.token.atrule, .token.attr-value, .token.keyword { color: #b294bb; }
.token.function, .token.class-name { color: #f0c674; }
.token.regex, .token.important, .token.variable { color: #cc6666; }

/* ============================================================
   v1.1 additions — progress bar, a11y, nav, search groups
   ============================================================ */

/* Reading progress bar */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--blurple), #8b95ff);
  z-index: 100;
  transition: width .1s linear;
  pointer-events: none;
}

/* Skip-to-content link (a11y) */
.skip-link {
  position: absolute;
  top: -100px;
  left: 12px;
  background: var(--blurple);
  color: #fff;
  padding: 8px 14px;
  border-radius: 6px;
  font-weight: 600;
  z-index: 999;
  transition: top .15s;
}
.skip-link:focus {
  top: 12px;
  outline: 2px solid #fff;
  outline-offset: 2px;
  text-decoration: none;
}

/* Global focus-visible style (a11y) */
:focus-visible {
  outline: 2px solid var(--blurple);
  outline-offset: 2px;
  border-radius: 4px;
}
.channel-item:focus-visible,
.article-card:focus-visible,
.tut-card:focus-visible,
.note-card:focus-visible,
.post-row:focus-visible,
.search-hit:focus-visible {
  background: var(--bg-elevated-2);
  box-shadow: 0 0 0 2px var(--blurple) inset;
}

/* Article prev / next nav */
.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}
.article-nav-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  cursor: pointer;
  transition: background .15s, transform .15s var(--ease);
  text-decoration: none;
  display: block;
}
.article-nav-item:hover {
  background: var(--bg-elevated-2);
  transform: translateY(-2px);
  text-decoration: none;
}
.article-nav-item .dir {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.article-nav-item .t {
  display: block;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 14px;
  margin-top: 4px;
  line-height: 1.3;
}
.article-nav-item.next { text-align: right; }
.article-nav-item:empty { visibility: hidden; }

/* Tutorial step nav (bottom) */
.tut-step-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 32px;
  padding: 12px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}
.tut-step-nav .nav-btn {
  background: var(--bg-elevated-2);
  font-size: 13px;
  padding: 6px 14px;
  cursor: pointer;
}
.tut-step-nav .nav-btn:hover:not([disabled]) {
  background: var(--blurple);
  color: #fff;
}
.tut-step-nav .nav-btn[disabled] {
  opacity: 0.4;
  cursor: not-allowed;
}
.tut-step-nav .step-indicator {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

/* Meta count in toolbar */
.meta-count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  margin-right: 8px;
}

/* Reset chip */
.chip.reset {
  background: transparent;
  border: 1px dashed var(--border-strong);
  color: var(--text-muted);
}
.chip.reset:hover {
  background: var(--bg-elevated-2);
  color: var(--text-primary);
  border-style: solid;
}

/* Empty state with bigger SVG */
.empty svg {
  width: 56px;
  height: 56px;
  margin-bottom: 16px;
  opacity: 0.35;
  color: var(--text-muted);
}

/* TOC actions */
.toc-actions {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--border-subtle);
}
.toc-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 4px;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: background .15s, color .15s;
}
.toc-btn:hover { background: var(--bg-elevated-2); color: var(--text-primary); }

/* Search results — grouped */
.search-group { margin-bottom: 28px; }
.search-group-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.search-group-title .count {
  background: var(--bg-elevated);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  color: var(--text-normal);
}
#clear-search {
  margin-left: auto;
  cursor: pointer;
}

/* Keyboard help modal */
.kbd-help {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: grid;
  place-items: center;
  z-index: 200;
  animation: fadeIn .15s var(--ease);
}
.kbd-help-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  min-width: 360px;
  max-width: 90vw;
  box-shadow: var(--shadow-lift);
}
.kbd-help-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.kbd-help-head h3 {
  margin: 0;
  font-size: 16px;
  color: var(--text-primary);
  font-family: var(--font-mono);
}
.kbd-help-close {
  width: 28px; height: 28px;
  display: grid; place-items: center;
  border-radius: 4px;
  font-size: 20px;
  color: var(--text-muted);
  cursor: pointer;
}
.kbd-help-close:hover { background: var(--bg-elevated-2); color: var(--text-primary); }
.kbd-help table {
  width: 100%;
  border-collapse: collapse;
}
.kbd-help td {
  padding: 6px 0;
  border-bottom: 1px dashed var(--border-subtle);
  font-size: 13px;
  color: var(--text-normal);
}
.kbd-help td:first-child {
  width: 110px;
  font-family: var(--font-mono);
  color: var(--text-muted);
}
.kbd-help kbd {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 6px;
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  margin-right: 4px;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Mobile: topbar search widens on focus */
@media (max-width: 768px) {
  .topbar .search-mini {
    transition: width .2s var(--ease);
  }
  .topbar .search-mini:focus-within {
    width: 100%;
  }
  .article-nav {
    grid-template-columns: 1fr;
  }
  .article-nav-item.next { text-align: left; }
  .kbd-help-card { padding: 18px; min-width: 0; }
}

/* Light theme — slight border tweak for code blocks */
:root.is-light .code-block {
  border-color: var(--border-strong);
}
:root.is-light .code-block pre[class*="language-"] {
  background: var(--bg-code) !important;
}

/* ============================================================
   v1.3 — Language toggle, bookmarks, video embed
   ============================================================ */

/* Language toggle (server rail) */
.lang-toggle {
  background: transparent;
  border: 0;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .03em;
  cursor: pointer;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  margin-bottom: 8px;
  transition: color .15s, background .15s, border-radius .2s var(--ease);
}
.lang-toggle:hover {
  color: var(--text-primary);
  background: var(--blurple);
  border-radius: 30%;
}
.server-rail .lang-toggle.is-active {
  color: #fff;
  background: var(--blurple);
  border-radius: 30%;
}

/* ============================================================
   Bookmarks view
   ============================================================ */
.bm-wrap { padding: 24px 28px 64px; }

.bm-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin: 4px 0 20px;
  font-family: var(--font-mono);
}
/* ---- Clipboard auto-fill banner ----
   Shown above the bookmark grid when the user lands on #bookmarks with
   a URL in the clipboard. User clicks "Fill" to open the add modal
   pre-populated, or "Dismiss" to hide for this session. */
.bm-clipboard-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: -12px 0 18px;
  padding: 10px 14px;
  background: linear-gradient(135deg, var(--bg-elevated) 0%, var(--bg-elevated-2) 100%);
  border: 1px solid var(--blurple-faint);
  border-left: 3px solid var(--blurple);
  border-radius: var(--radius-sm);
  animation: bmBannerIn 220ms ease-out;
}
.bm-clipboard-banner[data-kind="duplicate"] {
  border-left-color: var(--text-faint);
  opacity: 0.85;
}
.bm-clipboard-banner[data-kind="invalid"],
.bm-clipboard-banner[data-kind="permission"] {
  border-left-color: #d97706;
  opacity: 0.8;
}
.bm-clipboard-banner .bm-banner-text {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.bm-clipboard-banner .bm-banner-text strong {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}
.bm-clipboard-banner .bm-banner-meta {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}
.bm-clipboard-banner .bm-banner-url {
  font-size: 12px;
  color: var(--text-primary);
  background: var(--bg-input);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  margin-top: 4px;
  display: inline-block;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: var(--font-mono);
}
.bm-clipboard-banner .bm-banner-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}
@keyframes bmBannerIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}
@media (max-width: 600px) {
  .bm-clipboard-banner {
    flex-direction: column;
    align-items: stretch;
  }
  .bm-clipboard-banner .bm-banner-actions {
    justify-content: flex-end;
  }
}
.bm-import-hint {
  font-size: 12px;
  color: var(--text-faint);
  margin: -12px 0 20px;
  padding: 8px 12px;
  border-left: 2px solid var(--blurple-faint);
  background: var(--bg-elevated);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  line-height: 1.5;
}

/* Chip CTA variants */
.chip.is-cta {
  background: var(--blurple);
  color: #fff;
  border-color: var(--blurple);
}
.chip.is-cta:hover {
  background: var(--blurple-hover);
  border-color: var(--blurple-hover);
}
.chip.danger {
  color: var(--danger);
  border-color: var(--danger);
}
.chip.danger:hover { background: var(--danger); color: #fff; }

/* Grid layout for bookmark cards */
.bm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
@media (max-width: 700px) {
  .bm-grid { grid-template-columns: 1fr; }
}

/* Individual card */
.bm-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .15s var(--ease), box-shadow .15s var(--ease), border-color .15s;
  cursor: pointer;
}
/* When a share popover is open, let it overflow the card so the menu floats
   cleanly above neighboring cards. Without this, `overflow: hidden` clips
   the popover's `bottom: calc(100% + 6px)` half off. */
.bm-card:has(.bm-share-wrap[open]) {
  overflow: visible;
}
.bm-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
  border-color: var(--border-strong);
}
.bm-card:focus-visible {
  outline: 2px solid var(--blurple);
  outline-offset: 2px;
}

.bm-thumb {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  background: var(--bg-code);
  overflow: hidden;
}
.bm-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.bm-thumb-fallback {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  color: var(--text-faint);
}
.bm-thumb-fallback svg { width: 36px; height: 36px; }

.bm-play-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.55) 100%);
  opacity: 0;
  transition: opacity .2s;
  pointer-events: none;
}
.bm-play-overlay svg {
  width: 56px;
  height: 56px;
  color: #fff;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.5));
}
.bm-card:hover .bm-play-overlay { opacity: 1; }

.bm-platform {
  position: absolute;
  top: 8px;
  left: 8px;
  padding: 3px 8px;
  background: rgba(0,0,0,0.65);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  border-radius: var(--radius-sm);
}

.bm-body {
  padding: 12px 14px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.bm-title {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.bm-title a { color: inherit; text-decoration: none; }
.bm-title a:hover { color: var(--text-link); }
.bm-author {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}
.bm-note {
  font-size: 12px;
  color: var(--text-muted);
  margin: 4px 0 0;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.bm-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: auto;
}
.bm-tags .tag {
  font-size: 10px;
  padding: 2px 6px;
  background: var(--blurple-faint);
  color: var(--blurple);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
}

.bm-actions {
  display: flex;
  border-top: 1px solid var(--border-subtle);
  background: rgba(0,0,0,0.08);
}
.bm-action {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 8px 0;
  color: var(--text-muted);
  background: transparent;
  border: 0;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.bm-action:hover { background: var(--bg-elevated-2); color: var(--text-primary); }
.bm-action.is-flashed {
  background: var(--success);
  color: #fff;
}

/* Bookmark detail */
.bm-hero {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 24px;
  background: var(--bg-code);
}
.bm-hero img {
  width: 100%;
  max-height: 480px;
  object-fit: contain;
  display: block;
}
.bm-embed {
  position: relative;
  aspect-ratio: 16 / 9;
  margin-bottom: 24px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-code);
}
.bm-embed iframe {
  width: 100%;
  height: 100%;
  border: 0;
}
.platform-tag {
  display: inline-block;
  padding: 2px 8px;
  background: var(--blurple-faint);
  color: var(--blurple);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.bm-detail-actions {
  display: flex;
  gap: 8px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

/* ============================================================
   Bookmark modal
   ============================================================ */
.bm-modal-scrim {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: grid;
  place-items: center;
  z-index: 250;
  animation: fadeIn .15s var(--ease);
  padding: 20px;
}
.bm-modal {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lift);
  overflow: hidden;
}
.bm-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
}
.bm-modal-head h3 {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-primary);
}
.bm-modal-close {
  width: 28px; height: 28px;
  display: grid; place-items: center;
  border-radius: 4px;
  font-size: 20px;
  color: var(--text-muted);
  background: transparent;
  border: 0;
  cursor: pointer;
}
.bm-modal-close:hover { background: var(--bg-elevated-2); color: var(--text-primary); }

.bm-modal-body {
  padding: 16px 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.bm-modal .field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.bm-modal .field > span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.bm-modal input,
.bm-modal select,
.bm-modal textarea {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-size: 13px;
  color: var(--text-primary);
  font-family: var(--font-sans);
}
.bm-modal input:focus,
.bm-modal select:focus,
.bm-modal textarea:focus {
  outline: 2px solid var(--blurple);
  outline-offset: 0;
  border-color: transparent;
}
.bm-modal textarea { resize: vertical; min-height: 60px; }

.bm-modal .row {
  display: flex;
  gap: 8px;
}
.bm-modal .row input { flex: 1; }

.bm-status {
  font-family: var(--font-mono);
  font-size: 11px;
  margin-top: 4px;
  min-height: 14px;
  color: var(--text-muted);
}
.bm-status[data-kind="err"] { color: var(--danger); }
.bm-status[data-kind="ok"] { color: var(--success); }
.bm-status[data-kind="warn"] { color: var(--warning); }
.bm-status[data-kind="pending"] { color: var(--text-link); }

.bm-preview {
  min-height: 0;
  max-height: 180px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg-code);
}
.bm-preview img { width: 100%; height: auto; display: block; }

.bm-modal-foot {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 14px 20px;
  border-top: 1px solid var(--border-subtle);
  background: rgba(0,0,0,0.04);
}

/* Make server-icon button consistent with lang-toggle */
button.server-icon.lang-toggle {
  font-family: var(--font-mono);
  border: 0;
  cursor: pointer;
}

/* Search result subtitle for bookmark type */
.search-hit .head span:first-child {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--blurple);
  text-transform: uppercase;
}

/* Mobile tweaks for bookmark toolbar */
@media (max-width: 768px) {
  .bm-wrap { padding: 16px; }
  .bm-grid { grid-template-columns: 1fr; }
  .bm-modal { max-height: 100vh; }
}

/* ============================================================
   v1.4 — Wikilink, in-page search, TOC outline export
   ============================================================ */

/* Wikilink [[slug]] rendered inline. Looks like a regular hash-tag, but is
   a clickable link to /#/note/<slug>. Broken links (slug not in notes) are
   styled with a strikethrough + danger color so authors notice typos. */
.wikilink {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--blurple-faint);
  color: var(--blurple);
  font-family: var(--font-mono);
  font-size: 0.92em;
  text-decoration: none;
  transition: background .15s;
  border: 1px dashed transparent;
}
.wikilink:hover {
  background: var(--blurple);
  color: #fff;
  text-decoration: none;
}
.wikilink.is-broken {
  color: var(--danger);
  background: rgba(237, 66, 69, 0.10);
  text-decoration: line-through;
  border-color: var(--danger);
  cursor: help;
}

/* In-page search highlight (Ctrl+Shift+F) */
mark.pg-hl {
  background: rgba(240, 178, 50, 0.45);
  color: inherit;
  padding: 0;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(240, 178, 50, 0.6);
}
mark.pg-hl.is-active {
  background: rgba(245, 130, 32, 0.85);
  color: #fff;
  box-shadow: 0 0 0 2px var(--warning);
}

/* Floating search panel (top-right under topbar) */
.pg-search {
  position: fixed;
  top: 60px;
  right: 24px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lift);
  z-index: 200;
  animation: fadeIn .12s var(--ease);
  min-width: 320px;
}
.pg-search svg { color: var(--text-muted); width: 16px; height: 16px; flex-shrink: 0; }
.pg-search input {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-size: 13px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-width: 0;
}
.pg-search input:focus {
  outline: 2px solid var(--blurple);
  outline-offset: 0;
  border-color: transparent;
}
.pg-count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  padding: 0 4px;
  min-width: 36px;
  text-align: center;
}
.pg-btn {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 4px;
  background: transparent;
  color: var(--text-muted);
  border: 0;
  cursor: pointer;
  transition: background .12s, color .12s;
}
.pg-btn:hover { background: var(--bg-elevated-2); color: var(--text-primary); }
.pg-btn.pg-close { font-size: 18px; }

/* TOC action buttons — multiple now */
.toc-actions {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.toc-actions .toc-btn { text-align: left; }

/* ============================================================
   v1.6 — Reader actions dropdown (article / tutorial / note)
   ============================================================ */
.actions-menu {
  position: relative;
  display: inline-block;
  margin-left: auto;  /* push to right of .meta row */
}
.actions-menu > summary {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-elevated-2);
  color: var(--text-muted);
  border: 0;
  cursor: pointer;
  list-style: none;
  transition: background .15s, color .15s;
}
.actions-menu > summary::-webkit-details-marker { display: none; }
.actions-menu > summary::marker { content: ''; }
.actions-menu > summary:hover,
.actions-menu[open] > summary {
  background: var(--blurple);
  color: #fff;
}
.actions-menu > ul {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  z-index: 50;
  min-width: 180px;
  margin: 0;
  padding: 6px;
  list-style: none;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lift);
  display: flex;
  flex-direction: column;
  gap: 2px;
  animation: fadeIn .12s var(--ease);
}
.actions-menu > ul li button {
  width: 100%;
  text-align: left;
  padding: 8px 10px;
  background: transparent;
  border: 0;
  border-radius: var(--radius-sm);
  color: var(--text-normal);
  font-size: 13px;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: background .12s, color .12s;
}
.actions-menu > ul li button:hover {
  background: var(--bg-elevated-2);
  color: var(--text-primary);
}

/* ----------------------------------------------------------
   Bookmark share — popover + QR modal
   ---------------------------------------------------------- */

/* The wrap is a flex child of .bm-actions; the summary takes the slot,
   the popover <ul> floats absolutely over the page so it doesn't reflow
   the card grid. */
.bm-share-wrap {
  flex: 1;
  position: relative;
  display: flex;
  z-index: 1;
}
.bm-share-wrap[open] { z-index: 50; }
.bm-share-wrap > summary.bm-action {
  width: 100%;
  list-style: none;
  cursor: pointer;
}
.bm-share-wrap > summary.bm-action::-webkit-details-marker { display: none; }
.bm-share-wrap > summary.bm-action::marker { content: ''; }

/* Detail-page variant: chip-style summary in .bm-detail-actions. */
.bm-share-wrap.bm-share-wrap-detail {
  flex: 0 0 auto;
  display: inline-flex;
}
.bm-share-wrap.bm-share-wrap-detail > summary.chip {
  list-style: none;
  cursor: pointer;
}
.bm-share-wrap.bm-share-wrap-detail > summary.chip::-webkit-details-marker { display: none; }
.bm-share-wrap.bm-share-wrap-detail > summary.chip::marker { content: ''; }

.bm-share-pop {
  position: absolute;
  top: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  min-width: 180px;
  margin: 0;
  padding: 6px;
  list-style: none;
  background: var(--bg-elevated-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}
/* For detail-page chip the popover anchors above the button so it doesn't
   cover the meta row. */
.bm-share-wrap-detail .bm-share-pop {
  top: auto;
  bottom: calc(100% + 6px);
}

.bm-share-pop li {
  margin: 0;
}
.bm-share-pop li button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 10px;
  border: 0;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  border-radius: 6px;
  font: inherit;
  font-size: 13px;
  text-align: left;
  transition: background .15s, color .15s;
}
.bm-share-pop li button:hover {
  background: var(--bg-elevated-2);
}
.bm-share-pop li button.is-flashed {
  background: var(--success);
  color: #fff;
}

/* QR modal */
.bm-qr-scrim {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 16px;
  animation: bm-qr-fade-in .15s ease-out;
}
@keyframes bm-qr-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.bm-qr-modal {
  width: min(320px, 100%);
  background: var(--bg-elevated-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
  animation: bm-qr-pop-in .18s ease-out;
}
@keyframes bm-qr-pop-in {
  from { transform: scale(0.96); opacity: 0; }
  to   { transform: scale(1);    opacity: 1; }
}
.bm-qr-modal h3 {
  margin: 0 0 16px;
  font-size: 15px;
  color: var(--text-primary);
}
.bm-qr-img-wrap {
  width: 240px;
  height: 240px;
  margin: 0 auto 12px;
  background: #fff;
  border-radius: 8px;
  padding: 8px;
  display: grid;
  place-items: center;
}
.bm-qr-img {
  width: 100%;
  height: 100%;
  display: block;
}
.bm-qr-fallback {
  color: var(--text-muted);
  font-size: 13px;
}
.bm-qr-fallback p { margin: 0 0 12px; }
.bm-qr-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0 0 16px;
}
@media (prefers-color-scheme: light) {
  .bm-qr-scrim { background: rgba(0, 0, 0, 0.45); }
}

/* ----------------------------------------------------------
   KB-backed notes (Chubby ingest output)
   ---------------------------------------------------------- */

/* "KB" badge on a note-card title row */
.note-source-chip {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 2px 6px;
  margin-left: 8px;
  border-radius: 4px;
  background: var(--accent);
  color: #fff;
  vertical-align: middle;
  line-height: 1.4;
  text-transform: uppercase;
}

/* Light-mode badge contrast tweak */
@media (prefers-color-scheme: light) {
  .note-source-chip { color: #fff; }
}

/* Subtle border tint to mark KB notes in the grid */
.note-card.is-kb {
  border-color: rgba(88, 101, 242, 0.32);
}
.note-card.is-kb:hover {
  border-color: var(--accent);
}

/* Provenance block at the top of a KB note reader view */
.kb-provenance {
  margin: 16px 0 24px;
  padding: 12px 16px;
  background: var(--bg-elevated-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 12px;
  display: grid;
  gap: 6px;
}
.kb-prov-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 12px;
  align-items: baseline;
}
.kb-prov-key {
  color: var(--text-muted);
  font-weight: 600;
}
.kb-prov-val {
  color: var(--text-primary);
  word-break: break-all;
}
.kb-prov-val.link {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.kb-prov-val.mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
}

/* "Sources" block at the bottom of long-form articles that cite KB notes
   via [[wikilink]] syntax. The list is auto-generated from body references. */
.kb-sources {
  margin: 32px 0 8px;
  padding: 16px;
  background: var(--bg-elevated-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}
.kb-sources-title {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}
.kb-sources-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}
.kb-source-item {
  padding: 8px 10px;
  border-radius: 6px;
  background: var(--bg-elevated-2);
}
.kb-source-link {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
}
.kb-source-link:hover { color: var(--accent); }
.kb-source-title { flex: 1; }
.kb-source-summary {
  margin: 6px 0 0 24px;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}