/* ============================================================
   KLog // process_index — wiki UI
   Aesthetic: friendly reading layer over a cutting-edge tech
   substrate. Dark mode, monospace primary, subtle scanlines,
   ambient p5.js network in background.
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Base — near-black with the faintest cyan undertone */
  --bg: #0a0e12;
  --bg-elev: #0f1419;
  --bg-elev-2: #141a21;
  --bg-card: rgba(20, 26, 33, 0.72);

  /* Foreground — high readability over dark */
  --fg: #e6edf3;
  --fg-muted: #8b97a4;
  --fg-dim: #5c6770;

  /* Borders / hairlines — desaturated blue for dark theme */
  --border: rgba(120, 158, 230, 0.14);
  --border-strong: rgba(120, 158, 230, 0.28);

  /* RGB triplets for canvas / inline-rgba use */
  --fg-rgb: 230, 237, 243;
  --bg-rgb: 10, 14, 18;

  /* Brand stays #0062ff (the literal mark); --accent is the working palette
   * which is desaturated on dark backgrounds so it doesn't scream. */
  --brand: #0062ff;
  --accent: #6b95e8;        /* desaturated KLog blue, easier on dark */
  --accent-strong: #88abee;  /* hover, slightly brighter */
  --accent-rgb: 107, 149, 232;
  --accent-bg: rgba(107, 149, 232, 0.10);
  --warn: #fbbf24;
  --danger: #f87171;
  --redact: #6b7280;

  /* Callouts */
  --callout-note: var(--accent);
  --callout-tip: #34d399;
  --callout-warning: var(--warn);
  --callout-important: #c084fc;
  --callout-caution: var(--danger);

  /* Layout */
  --sidebar-w: 280px;
  --content-max: 880px;
  --gutter: 2.5rem;

  /* Fonts */
  --font-mono: "JetBrains Mono", "SF Mono", "Fira Code", "Consolas", monospace;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* ============================================================
   Light theme overrides — keyed by [data-theme="light"] on <html>
   Full-saturation #0062ff works on white; we don't desaturate.
   ============================================================ */
html[data-theme="light"] {
  --bg: #f7f8fa;
  --bg-elev: #ffffff;
  --bg-elev-2: #f0f3f7;
  --bg-card: rgba(255, 255, 255, 0.88);

  --fg: #0e1218;
  --fg-muted: #4a5568;
  --fg-dim: #94a3b8;

  --fg-rgb: 14, 18, 24;
  --bg-rgb: 247, 248, 250;

  --border: rgba(0, 98, 255, 0.14);
  --border-strong: rgba(0, 98, 255, 0.30);

  --brand: #0062ff;
  --accent: #0062ff;
  --accent-strong: #0050d4;
  --accent-rgb: 0, 98, 255;
  --accent-bg: rgba(0, 98, 255, 0.06);
  --warn: #b45309;
  --danger: #b91c1c;
  --redact: #94a3b8;
}

html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 14.5px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

body {
  background:
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(var(--accent-rgb), 0.045), transparent 60%),
    radial-gradient(ellipse 60% 50% at 100% 100%, rgba(var(--accent-rgb), 0.028), transparent 60%),
    var(--bg);
  position: relative;
  overflow-x: hidden;
}

/* Faint scanlines on top of everything for the CRT feel */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(var(--accent-rgb), 0.012) 0,
    rgba(var(--accent-rgb), 0.012) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: overlay;
}

/* Light-theme adjustments to sections defined further down */
html[data-theme="light"] body {
  background:
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(0, 98, 255, 0.035), transparent 60%),
    radial-gradient(ellipse 60% 50% at 100% 100%, rgba(0, 98, 255, 0.025), transparent 60%),
    var(--bg);
}
html[data-theme="light"] .sidebar {
  background: rgba(247, 248, 250, 0.92);
  border-right-color: rgba(15, 23, 42, 0.10);
}
html[data-theme="light"] .p5-bg {
  /* override the earlier reduction — animation lines were invisible on light */
  opacity: 0.7;
}
html[data-theme="light"] article {
  background: var(--bg-elev);
  padding: 1.5rem 1.8rem 2rem;
  border-radius: 6px;
  border: 1px solid rgba(15, 23, 42, 0.10);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06), 0 8px 24px -8px rgba(15, 23, 42, 0.10);
}
html[data-theme="light"] article strong { color: #000; }
html[data-theme="light"] .mermaid-rendered {
  background: var(--bg-elev);
}

/* ============================================================
   p5.js background canvas — sits behind everything
   ============================================================ */
.p5-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
}
.p5-bg canvas {
  display: block;
}

/* Hover fx canvas — sits ABOVE the sidebar so the animation is visible */
.sidebar-fx {
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
}
.sidebar-fx canvas {
  display: block;
}

/* ============================================================
   Wiki shell (sidebar + content)
   ============================================================ */
.wiki-shell {
  display: flex;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  background: rgba(10, 14, 18, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-right: 1px solid var(--border);
  padding: 1.5rem 1rem 2rem 1.25rem;
  overflow-y: auto;
  position: sticky;
  top: 0;
  height: 100vh;
  font-size: 12.5px;
  font-family: var(--font-mono);
}

.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 2px; }

.sidebar-title {
  display: flex;
  flex-direction: column;
  font-family: var(--font-mono);
  font-size: 14px;
  text-decoration: none;
  color: var(--fg);
  margin-bottom: 1rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border);
  letter-spacing: 0.02em;
  gap: 0.4rem;
}
.sidebar-title-prefix {
  color: var(--fg-muted);
  font-weight: 500;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}
.sidebar-title-main {
  color: var(--accent);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.02em;
}

/* ASCII logo block — replaces or sits alongside text title */
.brutus-logo {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.05;
  color: var(--accent);
  white-space: pre;
  margin: 0;
  padding: 0;
  letter-spacing: 0;
  font-weight: 700;
  text-shadow: 0 0 10px rgba(var(--accent-rgb), 0.3);
}
.auth-title .brutus-logo {
  font-size: 14px;
  text-shadow: 0 0 14px rgba(var(--accent-rgb), 0.4);
}
.brutus-tagline {
  color: var(--fg-muted);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-top: 0.15rem;
}

.sidebar-stats {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1.5rem;
  padding: 0.65rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-elev);
  font-size: 11px;
}
.sidebar-stats > div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}
.stat-label {
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 10px;
}
.stat-val {
  color: var(--accent);
  font-weight: 500;
}

.sidebar ul { list-style: none; }
.sidebar .nav-root > li { margin-bottom: 0.35rem; }
.sidebar .nav-root > li .nav-row > a {
  color: var(--fg);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.sidebar .nav-children {
  padding-left: 0.75rem;
  margin-top: 0.15rem;
  margin-bottom: 0.4rem;
  border-left: 1px solid var(--border);
}
.sidebar .nav-children li { margin-bottom: 0.05rem; }
.sidebar .nav-children .nav-row > a {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  font-size: 11.5px;
  color: var(--fg-muted);
}
.sidebar a {
  text-decoration: none;
  display: block;
  padding: 0.2rem 0.35rem;
  border-radius: 3px;
  transition: color 120ms ease, background 120ms ease;
  flex: 1;
  min-width: 0;
}

/* Row = twist button + link */
.sidebar .nav-row {
  display: flex;
  align-items: center;
  gap: 0.1rem;
}
.sidebar .nav-twist {
  background: none;
  border: none;
  color: var(--fg-dim);
  font-family: var(--font-mono);
  font-size: 10px;
  cursor: pointer;
  padding: 0 0.25rem;
  margin: 0;
  line-height: 1;
  transform: rotate(0deg);
  transition: transform 150ms ease, color 120ms ease;
  width: 14px;
  flex-shrink: 0;
}
.sidebar .nav-twist:hover { color: var(--accent); }
.sidebar .nav-twist.open { transform: rotate(90deg); color: var(--accent); }
.sidebar a {
  position: relative;
}
.sidebar a:hover {
  color: var(--accent);
  background: var(--accent-bg);
}
.sidebar a.nav-active {
  color: var(--accent);
  background: var(--accent-bg);
  border-left: 2px solid var(--accent);
}

/* ============================================================
   Content area
   ============================================================ */
.content {
  flex: 1;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 1.5rem var(--gutter) 4rem;
  position: relative;
}

.content-classification {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--warn);
  padding: 0.5rem 0.8rem;
  border: 1px solid rgba(251, 191, 36, 0.25);
  background: rgba(251, 191, 36, 0.04);
  border-radius: 3px;
  margin-bottom: 1.25rem;
  font-weight: 500;
}
.class-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--warn);
  box-shadow: 0 0 6px rgba(251, 191, 36, 0.6);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.class-spacer { color: var(--fg-dim); }
.class-timestamp { color: var(--fg-muted); }
.class-user { color: var(--fg-muted); }

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-muted);
  margin-bottom: 1rem;
}
.breadcrumb a {
  color: var(--accent);
  text-decoration: none;
}
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb-sep {
  color: var(--fg-dim);
  margin: 0 0.4rem;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.meta-type {
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.04em;
}
.meta-date {
  color: var(--fg-muted);
}
.meta-tags {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}
.tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  padding: 2px 7px;
  border-radius: 2px;
  background: var(--accent-bg);
  color: var(--accent);
  border: 1px solid var(--border-strong);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* ============================================================
   Markdown typography
   ============================================================ */
article {
  position: relative;
}

article h1, article h2, article h3, article h4, article h5, article h6 {
  font-family: var(--font-mono);
  color: var(--fg);
  letter-spacing: -0.01em;
  margin: 2.25rem 0 0.75rem;
}
article h1 {
  font-size: 1.7rem;
  font-weight: 700;
  margin: 0.5rem 0 1.25rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--border-strong);
  letter-spacing: -0.02em;
}
article h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: 2.5rem;
  color: var(--accent);
}
article h2 a, article h1 a, article h3 a, article h4 a, article h5 a, article h6 a {
  color: inherit;
  text-decoration: none;
}
article h2 a:hover, article h3 a:hover { color: var(--accent-strong); }
article h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-top: 1.75rem;
}
article h4 {
  font-size: 0.92rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--fg-muted);
}

article p {
  margin: 0.8rem 0;
  color: var(--fg);
}

article a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dotted var(--border-strong);
  transition: color 120ms ease, border-color 120ms ease;
}
article a:hover {
  color: var(--accent-strong);
  border-bottom-color: var(--accent);
}
article strong { color: #fff; font-weight: 600; }
article em { color: var(--fg-muted); }

/* Wikilinks */
.wiki-link {
  color: var(--accent);
  font-weight: 500;
  border-bottom: 1px dashed var(--border-strong);
}
.wiki-link::before {
  content: "↪ ";
  color: var(--fg-dim);
  font-family: var(--font-mono);
  font-size: 0.85em;
}

/* Lists */
article ul, article ol { margin: 0.6rem 0; padding-left: 1.4rem; }
article li { margin: 0.25rem 0; }
article li::marker { color: var(--accent); }

/* Tables */
article table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.25rem 0;
  font-size: 13px;
  font-family: var(--font-mono);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 3px;
  overflow: hidden;
}
article th, article td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.8rem;
  text-align: left;
}
article th {
  background: var(--bg-elev-2);
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 11.5px;
}
article tr:hover td {
  background: rgba(var(--accent-rgb), 0.05);
}

/* Code */
article code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  background: var(--bg-elev-2);
  padding: 1px 6px;
  border-radius: 3px;
  border: 1px solid var(--border);
  color: var(--accent);
}
article pre {
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  padding: 1rem;
  border-radius: 4px;
  overflow-x: auto;
  margin: 1rem 0;
  font-size: 12.5px;
}
article pre code {
  background: none;
  padding: 0;
  border: none;
  color: var(--fg);
}

/* Blockquotes (non-callout) */
article blockquote {
  border-left: 2px solid var(--accent);
  margin: 1rem 0;
  padding: 0.5rem 1rem;
  color: var(--fg-muted);
  background: var(--accent-bg);
  font-style: italic;
}

/* HR */
article hr {
  border: none;
  border-top: 1px dashed var(--border);
  margin: 2rem 0;
}

/* Callouts */
.callout {
  border-left: 3px solid var(--callout-note);
  border-radius: 3px;
  padding: 0.75rem 1rem 0.85rem;
  margin: 1.2rem 0;
  background: var(--bg-elev);
  border-right: 1px solid var(--border);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.callout-title {
  font-family: var(--font-mono);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 11px;
  margin-bottom: 0.4rem;
  color: var(--callout-note);
}
.callout-tip { border-left-color: var(--callout-tip); }
.callout-tip .callout-title { color: var(--callout-tip); }
.callout-warning { border-left-color: var(--callout-warning); }
.callout-warning .callout-title { color: var(--callout-warning); }
.callout-important { border-left-color: var(--callout-important); }
.callout-important .callout-title { color: var(--callout-important); }
.callout-caution, .callout-danger { border-left-color: var(--callout-caution); }
.callout-caution .callout-title, .callout-danger .callout-title { color: var(--callout-caution); }

/* ============================================================
   Mermaid diagrams — match wiki dark aesthetic
   ============================================================ */
.mermaid-rendered {
  margin: 1.5rem 0;
  padding: 1rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow-x: auto;
  text-align: center;
}
.mermaid-rendered svg {
  max-width: 100%;
  height: auto;
  /* Override mermaid inline styles to stay on theme */
  background: transparent !important;
}
.mermaid-rendered svg .cluster rect,
.mermaid-rendered svg .label rect {
  fill: var(--bg-elev) !important;
  stroke: var(--border-strong) !important;
}
.mermaid-rendered svg .node rect,
.mermaid-rendered svg .node circle,
.mermaid-rendered svg .node polygon,
.mermaid-rendered svg .node ellipse {
  stroke: var(--accent) !important;
  fill: var(--bg-elev-2) !important;
}
.mermaid-rendered svg .nodeLabel,
.mermaid-rendered svg .edgeLabel,
.mermaid-rendered svg .cluster-label {
  color: var(--fg) !important;
  font-family: var(--font-mono) !important;
  font-size: 12px !important;
}
.mermaid-rendered svg .edgeLabel {
  background-color: var(--bg-elev) !important;
}
.mermaid-rendered svg .edgePath .path,
.mermaid-rendered svg .flowchart-link {
  stroke: var(--accent) !important;
  stroke-width: 1.5px !important;
}
.mermaid-rendered svg .arrowheadPath,
.mermaid-rendered svg marker path {
  fill: var(--accent) !important;
  stroke: var(--accent) !important;
}

.mermaid-error {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--danger);
  padding: 0.5rem 0.8rem;
  border: 1px solid rgba(248, 113, 113, 0.3);
  background: rgba(248, 113, 113, 0.05);
  border-radius: 3px;
  margin: 0.5rem 0;
}

/* ============================================================
   Footer
   ============================================================ */
.content-footer {
  margin-top: 4rem;
  padding-top: 1.25rem;
  border-top: 1px dashed var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-dim);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-source code {
  background: none;
  border: none;
  padding: 0;
  color: var(--fg-muted);
}
.footer-redacted {
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* ============================================================
   Auth pages (signin + error)
   ============================================================ */
.auth-shell {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(45, 212, 191, 0.06), transparent 60%),
    var(--bg);
  position: relative;
  overflow: hidden;
}
.auth-scanlines {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(94, 234, 212, 0.02) 0,
    rgba(94, 234, 212, 0.02) 1px,
    transparent 1px,
    transparent 3px
  );
  pointer-events: none;
}
.auth-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  padding: 2.5rem 2.25rem;
  width: 460px;
  max-width: 92%;
  font-family: var(--font-mono);
  box-shadow:
    0 1px 0 rgba(94, 234, 212, 0.1) inset,
    0 30px 80px -20px rgba(0, 0, 0, 0.6);
  position: relative;
  z-index: 2;
}
.auth-classification {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--warn);
  margin-bottom: 1.5rem;
}
.auth-classification.auth-denied { color: var(--danger); }
.auth-class-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--warn);
  box-shadow: 0 0 8px rgba(251, 191, 36, 0.6);
  animation: pulse 2.4s ease-in-out infinite;
}
.auth-denied .auth-class-dot {
  background: var(--danger);
  box-shadow: 0 0 8px rgba(248, 113, 113, 0.6);
}
.auth-title {
  display: flex;
  flex-direction: column;
  margin-bottom: 1.25rem;
}
.auth-title-prefix {
  font-size: 11px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.18em;
}
.auth-title-main {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.auth-meta {
  font-size: 11px;
  color: var(--fg-muted);
  margin-bottom: 1.75rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--bg-elev);
  line-height: 1.9;
}
.auth-button {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 0.85rem 1.5rem;
  background: var(--accent-bg);
  color: var(--accent);
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  cursor: pointer;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  text-decoration: none;
  text-transform: lowercase;
  letter-spacing: 0.05em;
  transition: all 150ms ease;
}
.auth-button:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(var(--accent-rgb), 0.35);
}
.auth-button-cursor {
  font-weight: 700;
  animation: cursor-blink 1.2s steps(2) infinite;
}
@keyframes cursor-blink {
  50% { opacity: 0; }
}
.auth-link-button {
  margin-top: 1rem;
}
.auth-footer {
  margin-top: 1.5rem;
  font-size: 10.5px;
  color: var(--fg-dim);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.auth-deny-message {
  color: var(--fg-muted);
  margin-bottom: 1.5rem;
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.6;
}

/* ============================================================
   Sidebar cmd+k search hint
   ============================================================ */
.cmd-hint {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--fg-muted);
  font-family: var(--font-mono);
  font-size: 11.5px;
  padding: 0.45rem 0.6rem;
  margin-bottom: 0.6rem;
  border-radius: 3px;
  cursor: pointer;
  transition: color 120ms, border-color 120ms, background 120ms;
}
.cmd-hint:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-bg);
}
.cmd-hint-icon {
  font-size: 13px;
  color: var(--fg-dim);
}
.cmd-hint:hover .cmd-hint-icon { color: var(--accent); }
.cmd-hint-label {
  flex: 1;
  text-align: left;
  letter-spacing: 0.02em;
}
.cmd-hint-keys {
  display: flex;
  gap: 2px;
}
.cmd-hint-keys kbd {
  display: inline-block;
  min-width: 16px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 10px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  padding: 0 4px;
  color: var(--fg-muted);
}

/* ============================================================
   Theme toggle + graph link (sidebar header buttons)
   ============================================================ */
.sidebar-actions {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 1rem;
}
.sidebar-iconbtn {
  flex: 1;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--fg-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 0.45rem 0.5rem;
  border-radius: 3px;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  text-transform: lowercase;
  letter-spacing: 0.04em;
  transition: color 120ms ease, background 120ms ease, border-color 120ms ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}
.sidebar-iconbtn:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-bg);
}
.sidebar-iconbtn.active {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-bg);
}

/* ============================================================
   Graph view — Obsidian-style force-directed map of wikilinks
   ============================================================ */
.graph-shell {
  position: relative;
  width: 100%;
  height: calc(100vh - 80px);
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-elev);
  overflow: hidden;
}
.graph-shell canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}
.graph-overlay {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 5;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-muted);
  background: var(--bg-card);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.5rem 0.7rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  pointer-events: none;
}
.graph-overlay-row {
  display: flex;
  gap: 0.65rem;
}
.graph-overlay-label {
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 10px;
}
.graph-overlay-val { color: var(--accent); font-weight: 500; }
.graph-controls {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  z-index: 5;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-family: var(--font-mono);
  font-size: 11px;
}
.graph-controls button {
  background: var(--bg-card);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid var(--border);
  color: var(--fg-muted);
  border-radius: 3px;
  padding: 0.3rem 0.55rem;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  transition: color 120ms, border-color 120ms;
}
.graph-controls button:hover {
  color: var(--accent);
  border-color: var(--accent);
}
.graph-tooltip {
  position: absolute;
  z-index: 6;
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--bg-card);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid var(--accent);
  border-radius: 3px;
  padding: 0.35rem 0.55rem;
  color: var(--accent);
  pointer-events: none;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* ============================================================
   Command palette (cmd/ctrl + K)
   ============================================================ */
.cmdk-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 12vh;
}
html[data-theme="light"] .cmdk-backdrop {
  background: rgba(15, 23, 42, 0.30);
}
.cmdk {
  width: 640px;
  max-width: 92%;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  overflow: hidden;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.04) inset,
    0 30px 80px -20px rgba(0, 0, 0, 0.55);
  display: flex;
  flex-direction: column;
  font-family: var(--font-mono);
}
html[data-theme="light"] .cmdk {
  box-shadow:
    0 1px 3px rgba(15, 23, 42, 0.06),
    0 20px 60px -10px rgba(15, 23, 42, 0.25);
}
.cmdk-search {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev-2);
}
.cmdk-prompt {
  color: var(--accent);
  font-weight: 700;
}
.cmdk-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.01em;
  caret-color: var(--accent);
}
.cmdk-input::placeholder {
  color: var(--fg-dim);
  text-transform: lowercase;
}
.cmdk-hits {
  font-size: 10.5px;
  color: var(--fg-dim);
  letter-spacing: 0.1em;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 7px;
}
.cmdk-results {
  max-height: 50vh;
  overflow-y: auto;
  padding: 0.25rem 0;
}
.cmdk-results::-webkit-scrollbar { width: 4px; }
.cmdk-results::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 2px;
}
.cmdk-result {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  font-size: 12.5px;
  cursor: pointer;
  border-left: 2px solid transparent;
}
.cmdk-folder {
  color: var(--fg-dim);
  font-size: 11px;
  flex-shrink: 0;
}
.cmdk-label {
  color: var(--fg);
}
.cmdk-result.active {
  background: var(--accent-bg);
  border-left-color: var(--accent);
}
.cmdk-result.active .cmdk-label {
  color: var(--accent);
}
.cmdk-empty {
  padding: 1rem;
  color: var(--fg-muted);
  font-size: 12px;
  text-align: center;
  letter-spacing: 0.05em;
}
.cmdk-footer {
  display: flex;
  gap: 1.2rem;
  align-items: center;
  padding: 0.5rem 1rem;
  border-top: 1px solid var(--border);
  background: var(--bg-elev-2);
  font-size: 10.5px;
  color: var(--fg-dim);
  letter-spacing: 0.05em;
}
.cmdk-kbd {
  display: inline-block;
  min-width: 18px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 10px;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  padding: 1px 5px;
  color: var(--fg-muted);
  margin-right: 0.25rem;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .wiki-shell { flex-direction: column; }
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .content { padding: 1.5rem 1rem 3rem; }
  .content-classification { flex-wrap: wrap; }
  :root { --gutter: 1rem; }
}
