/* ==========================================================================
   System Design Ultimatum — site.css
   Vercel/Nextra-style documentation theme.
   Edit this file; build-site.js copies it to docs/assets/site.<hash>.css.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Geist:wght@400;500;600;700&family=Geist+Mono:wght@400;500&display=swap');

/* ── Design tokens ─────────────────────────────────────────────────────── */
:root {
  --bg: #ffffff;
  --bg-subtle: #fafafa;
  --bg-muted: #f4f4f5;
  --text: #0a0a0a;
  --text-secondary: #52525b;
  --text-muted: #a1a1aa;
  --border: #e4e4e7;
  --border-strong: #d4d4d8;
  --accent: #0070f3;
  --accent-bg: rgba(0, 112, 243, 0.08);
  --accent-border: rgba(0, 112, 243, 0.22);
  --info: #0070f3;
  --warn: #f59e0b;
  --success: #10b981;
  --danger: #ef4444;

  --code-bg: #0a0a0a;
  --code-text: #e4e4e7;

  --topbar-h: 56px;
  --sidebar-w: 280px;
  --toc-w: 240px;
  --content-max: 720px;

  --radius-sm: 4px;
  --radius: 6px;
  --radius-lg: 10px;

  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);

  --font-sans: 'Geist', Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Geist Mono', 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

html[data-theme="dark"] {
  --bg: #0a0a0a;
  --bg-subtle: #111111;
  --bg-muted: #18181b;
  --text: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --border: #27272a;
  --border-strong: #3f3f46;
  --accent: #3b82f6;
  --accent-bg: rgba(59, 130, 246, 0.14);
  --accent-border: rgba(59, 130, 246, 0.35);
  --code-bg: #000000;
  --code-text: #e4e4e7;
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.6), 0 4px 12px rgba(0, 0, 0, 0.4);
}

/* ── Reset + base ──────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color 0.2s ease, color 0.2s ease;
}

::selection { background: var(--accent-bg); color: var(--text); }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--bg);
  color: var(--text);
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  z-index: 1000;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* ── Article typography ────────────────────────────────────────────────── */
.content-body h1,
.content-body h2,
.content-body h3,
.content-body h4 {
  color: var(--text);
  font-weight: 600;
  letter-spacing: -0.02em;
  scroll-margin-top: calc(var(--topbar-h) + 1rem);
}
.content-body h1 {
  font-size: 2rem;
  margin: 0 0 1rem;
  line-height: 1.2;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}
.content-body h2 {
  font-size: 1.5rem;
  margin: 2.5rem 0 0.75rem;
  line-height: 1.3;
}
.content-body h3 {
  font-size: 1.2rem;
  margin: 2rem 0 0.5rem;
  line-height: 1.4;
}
.content-body h4 {
  font-size: 1rem;
  margin: 1.5rem 0 0.5rem;
}

.content-body p { margin: 0 0 1rem; color: var(--text-secondary); }
.content-body strong { color: var(--text); font-weight: 600; }
.content-body a { border-bottom: 1px solid transparent; transition: border-color 0.15s; }
.content-body a:hover { text-decoration: none; border-bottom-color: var(--accent); }

.content-body ul, .content-body ol { margin: 0 0 1rem 1.5rem; color: var(--text-secondary); }
.content-body li { margin: 0.3rem 0; }

.content-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.75rem 1rem;
  margin: 1rem 0;
  background: var(--accent-bg);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text-secondary);
}
.content-body blockquote p:last-child { margin-bottom: 0; }

.content-body hr { border: 0; border-top: 1px solid var(--border); margin: 2.5rem 0; }

.content-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  margin: 1.25rem 0;
  border: 1px solid var(--border);
}

/* Heading anchor links */
.content-body h2, .content-body h3, .content-body h4 { position: relative; }
.heading-anchor {
  position: absolute;
  left: -1.25rem;
  top: 0;
  bottom: 0;
  display: inline-flex;
  align-items: center;
  padding-right: 0.25rem;
  color: var(--text-muted);
  opacity: 0;
  border: 0;
  text-decoration: none;
  font-weight: 400;
  transition: opacity 0.15s;
}
.content-body h2:hover .heading-anchor,
.content-body h3:hover .heading-anchor,
.content-body h4:hover .heading-anchor { opacity: 1; }
.heading-anchor:hover { color: var(--accent); }

/* ── App shell layout ──────────────────────────────────────────────────── */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr) var(--toc-w);
  min-height: calc(100vh - var(--topbar-h));
}
@media (max-width: 1280px) { .app { grid-template-columns: var(--sidebar-w) minmax(0, 1fr); } }
@media (max-width: 900px)  { .app { grid-template-columns: minmax(0, 1fr); } }

/* ── Top bar ──────────────────────────────────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0 1rem;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
}
.topbar-brand {
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  font-size: 0.95rem;
}
.topbar-brand:hover { text-decoration: none; color: var(--accent); }
.topbar-spacer { flex: 1; }

.topbar-search {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.6rem 0.4rem 0.75rem;
  min-width: 240px;
  max-width: 360px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 0.85rem;
  transition: border-color 0.15s, color 0.15s;
}
.topbar-search:hover { border-color: var(--border-strong); color: var(--text-secondary); }
.topbar-search .kbd {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 1px 5px;
  background: var(--bg-muted);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
}

.topbar-icon-btn {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  color: var(--text-secondary);
  border: 1px solid transparent;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.topbar-icon-btn:hover { background: var(--bg-muted); border-color: var(--border); color: var(--text); }

.topbar-hamburger { display: none; }
@media (max-width: 900px) { .topbar-hamburger { display: inline-flex; } .topbar-search { min-width: 0; flex: 1; } }

/* ── Sidebar ──────────────────────────────────────────────────────────── */
.sidebar {
  position: sticky;
  top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
  border-right: 1px solid var(--border);
  padding: 1rem 0.5rem 2rem;
  background: var(--bg);
}
.sidebar::-webkit-scrollbar { width: 8px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.nav-section-label {
  padding: 0.5rem 0.75rem 0.25rem;
  margin-top: 0.5rem;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.nav-folder { margin: 0; }
.nav-folder > summary {
  list-style: none;
  cursor: pointer;
  padding: 0.35rem 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius);
  user-select: none;
}
.nav-folder > summary::-webkit-details-marker { display: none; }
.nav-folder > summary:hover { background: var(--bg-muted); color: var(--text); }
.nav-folder > summary .folder-chevron {
  display: inline-block;
  font-size: 0.55rem;
  color: var(--text-muted);
  transition: transform 0.15s;
}
.nav-folder[open] > summary .folder-chevron { transform: rotate(90deg); }

.nav-folder-body { padding-left: 0.5rem; margin: 0.1rem 0 0.35rem; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem 0.3rem 1.25rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-left: 0.25rem;
}
.nav-item:hover { background: var(--bg-muted); color: var(--text); text-decoration: none; }
.nav-item.is-active {
  color: var(--accent);
  background: var(--accent-bg);
  border-left-color: var(--accent);
  font-weight: 600;
}
.nav-item .nav-icon { font-size: 0.7rem; opacity: 0.6; flex-shrink: 0; }
.nav-item.is-hidden, .nav-folder.is-hidden { display: none; }

/* ── Main + content column ────────────────────────────────────────────── */
.main {
  min-width: 0;
  padding: 2rem 2.5rem 4rem;
}
.content-layout {
  display: block;
  max-width: var(--content-max);
  margin: 0 auto;
}
.content-body { min-width: 0; }

.page-header { margin-bottom: 1.5rem; max-width: var(--content-max); margin-left: auto; margin-right: auto; }
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent); text-decoration: none; }
.breadcrumb .bc-sep { opacity: 0.5; }

.page-header h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text);
  margin: 0;
  line-height: 1.2;
}

/* ── TOC right rail ───────────────────────────────────────────────────── */
.toc-sidebar {
  position: sticky;
  top: var(--topbar-h);
  align-self: flex-start;
  height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
  padding: 2rem 1rem 2rem 0;
}
.toc-sidebar nav {
  border-left: 1px solid var(--border);
  padding-left: 1rem;
}
.toc-title {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}
.toc-sidebar a {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  padding: 0.25rem 0;
  line-height: 1.45;
  border-left: 1px solid transparent;
  margin-left: -1rem;
  padding-left: 1rem;
  transition: color 0.15s, border-color 0.15s;
}
.toc-sidebar a:hover { color: var(--text); text-decoration: none; }
.toc-sidebar a.is-active { color: var(--accent); border-left-color: var(--accent); font-weight: 500; }
.toc-sidebar a.toc-h3 { padding-left: 1.75rem; font-size: 0.75rem; }
@media (max-width: 1280px) { .toc-sidebar { display: none; } }

/* ── Progress bar ─────────────────────────────────────────────────────── */
.progress-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: transparent;
  z-index: 100;
  pointer-events: none;
}
.progress-bar .progress-fill {
  height: 100%;
  width: calc(var(--progress, 0) * 100%);
  background: var(--accent);
  transition: width 80ms linear;
}

/* ── Inline + block code ──────────────────────────────────────────────── */
.content-body code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: var(--bg-muted);
  color: var(--text);
  padding: 0.12em 0.4em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.content-body pre {
  position: relative;
  background: var(--code-bg);
  color: var(--code-text);
  padding: 1.1rem 1.25rem;
  border-radius: var(--radius-lg);
  overflow-x: auto;
  margin: 1.25rem 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.65;
  border: 1px solid var(--border);
}
.content-body pre code {
  background: transparent;
  color: inherit;
  padding: 0;
  border: 0;
  font-size: inherit;
}
.code-copy-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  padding: 0.25rem 0.55rem;
  font-size: 0.7rem;
  font-family: var(--font-sans);
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  opacity: 0;
  transition: opacity 0.15s, color 0.15s, background 0.15s;
}
.content-body pre:hover .code-copy-btn { opacity: 1; }
.code-copy-btn:hover { color: #fff; background: rgba(255, 255, 255, 0.12); }
.code-copy-btn.is-copied { color: var(--success); }

/* ── Tables ───────────────────────────────────────────────────────────── */
.content-body .table-wrap { overflow-x: auto; margin: 1.25rem 0; border: 1px solid var(--border); border-radius: var(--radius); }
.content-body table { border-collapse: collapse; width: 100%; font-size: 0.88rem; }
.content-body th, .content-body td {
  padding: 0.65rem 0.85rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.content-body th {
  background: var(--bg-subtle);
  font-weight: 600;
  color: var(--text);
  font-size: 0.82rem;
}
.content-body tr:last-child td { border-bottom: 0; }
.content-body tr:hover td { background: var(--bg-subtle); }

/* ── Details/summary ──────────────────────────────────────────────────── */
.content-body details {
  margin: 1rem 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-subtle);
}
.content-body details > summary {
  cursor: pointer;
  padding: 0.7rem 1rem;
  font-weight: 600;
  color: var(--text);
  font-size: 0.9rem;
  user-select: none;
}
.content-body details[open] > summary { border-bottom: 1px solid var(--border); }
.content-body details > *:not(summary) { padding: 0.75rem 1rem; }

/* ── Prev/Next ────────────────────────────────────────────────────────── */
.page-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 3rem 0 0;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.page-nav a {
  display: block;
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  transition: border-color 0.15s, background 0.15s;
}
.page-nav a:hover { border-color: var(--accent); background: var(--accent-bg); text-decoration: none; }
.page-nav .nav-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}
.page-nav .nav-title { font-size: 0.9rem; font-weight: 600; margin-top: 0.2rem; }
.page-nav .nav-next { text-align: right; }
@media (max-width: 640px) { .page-nav { grid-template-columns: 1fr; } }

/* ── Back to top ──────────────────────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, border-color 0.15s, color 0.15s;
  z-index: 40;
}
.back-to-top.is-visible { opacity: 1; pointer-events: auto; }
.back-to-top:hover { color: var(--accent); border-color: var(--accent); }

/* ── Dashboard / homepage ─────────────────────────────────────────────── */
.dashboard { max-width: 1100px; margin: 0 auto; padding: 3rem 2rem 4rem; }
.dash-hero { text-align: center; padding: 2rem 1rem 2.5rem; }
.dash-hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  margin: 0 0 0.75rem;
}
.dash-hero p { color: var(--text-secondary); font-size: 1.05rem; max-width: 620px; margin: 0 auto; }
.dash-stats { display: flex; justify-content: center; gap: 1rem; margin: 2rem 0; flex-wrap: wrap; }
.dash-stat {
  padding: 0.75rem 1.25rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-width: 120px;
  text-align: center;
}
.dash-stat .stat-num { font-size: 1.4rem; font-weight: 700; color: var(--text); }
.dash-stat .stat-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.dash-section-title {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 2.5rem 0 1rem;
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 0.75rem;
}
.category-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.1rem 1.15rem;
  background: var(--bg);
  transition: border-color 0.15s;
}
.category-card:hover { border-color: var(--border-strong); }
.category-card .cc-header { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.4rem; }
.category-card .cc-icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem; color: #fff;
  flex-shrink: 0;
}
.category-card .cc-name { font-size: 0.9rem; font-weight: 600; color: var(--text); }
.category-card .cc-desc { font-size: 0.78rem; color: var(--text-muted); line-height: 1.5; margin-bottom: 0.6rem; }
.category-card .cc-links { display: flex; flex-wrap: wrap; gap: 0.3rem; }
.category-card .cc-links a {
  font-size: 0.72rem;
  padding: 0.15rem 0.5rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}
.category-card .cc-links a:hover { background: var(--accent-bg); border-color: var(--accent-border); color: var(--accent); text-decoration: none; }

/* ── Footer ──────────────────────────────────────────────────────────── */
footer {
  padding: 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-top: 3rem;
}

/* ── Diagram container ───────────────────────────────────────────────── */
.diagram-container {
  background: var(--bg-subtle);
  padding: 1.25rem;
  border-radius: var(--radius-lg);
  margin: 1.25rem 0;
  border: 1px solid var(--border);
}
.diagram-info {
  background: var(--accent-bg);
  padding: 0.85rem 1.1rem;
  border-left: 3px solid var(--accent);
  margin-bottom: 1rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.diagram-preview {
  background: var(--bg);
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  text-align: center;
  min-height: 200px;
}
.diagram-preview svg, .diagram-preview img { max-width: 100%; height: auto; display: block; margin: 0 auto; }
.diagram-viewer-container {
  width: 100%;
  height: 600px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  background: #fff;
}
.diagram-tabs { display: flex; gap: 0.4rem; margin-bottom: 0.85rem; }
.diagram-tab {
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 500;
}
.diagram-tab:hover { border-color: var(--accent); color: var(--accent); }
.diagram-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.diagram-json {
  background: var(--code-bg);
  color: var(--code-text);
  padding: 1rem;
  border-radius: var(--radius);
  max-height: 400px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  white-space: pre-wrap;
  word-break: break-all;
}

/* ── Command palette (modal) ─────────────────────────────────────────── */
.cmdk-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 200;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 12vh;
  opacity: 0;
  transition: opacity 0.15s;
}
.cmdk-backdrop.is-open { display: flex; opacity: 1; }

.cmdk {
  width: min(640px, calc(100vw - 2rem));
  max-height: 70vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.cmdk-input {
  width: 100%;
  padding: 0.95rem 1.1rem;
  border: 0;
  border-bottom: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font-size: 1rem;
  font-family: var(--font-sans);
}
.cmdk-input:focus { outline: none; }
.cmdk-input::placeholder { color: var(--text-muted); }

.cmdk-results { flex: 1; overflow-y: auto; padding: 0.35rem; }
.cmdk-empty { padding: 2rem 1rem; text-align: center; color: var(--text-muted); font-size: 0.85rem; }

.cmdk-result {
  display: block;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius);
  color: var(--text);
  cursor: pointer;
}
.cmdk-result.is-focused { background: var(--accent-bg); }
.cmdk-result:hover { text-decoration: none; }
.cmdk-result .cr-title { font-size: 0.9rem; font-weight: 500; }
.cmdk-result .cr-folder { font-size: 0.72rem; color: var(--text-muted); margin-top: 2px; }
.cmdk-result .cr-snippet { font-size: 0.76rem; color: var(--text-secondary); margin-top: 3px; line-height: 1.4; }
.cmdk-result .cr-snippet mark { background: var(--accent-bg); color: inherit; padding: 0 2px; border-radius: 2px; }

.cmdk-footer {
  display: flex;
  gap: 1rem;
  padding: 0.55rem 0.85rem;
  border-top: 1px solid var(--border);
  background: var(--bg-subtle);
  font-size: 0.72rem;
  color: var(--text-muted);
}
.cmdk-footer kbd {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  background: var(--bg-muted);
  border: 1px solid var(--border);
  padding: 1px 5px;
  border-radius: 3px;
  color: var(--text-secondary);
}

/* ── Mobile drawer ────────────────────────────────────────────────────── */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 70;
}
html.nav-open .nav-overlay { opacity: 1; pointer-events: auto; }

@media (max-width: 900px) {
  .sidebar {
    position: fixed;
    top: var(--topbar-h);
    left: 0;
    width: min(85vw, 320px);
    height: calc(100vh - var(--topbar-h));
    transform: translateX(-105%);
    transition: transform 0.25s ease;
    z-index: 80;
    background: var(--bg);
  }
  html.nav-open .sidebar { transform: translateX(0); }
  .main { padding: 1.25rem 1rem 3rem; }
  .dashboard { padding: 2rem 1rem 3rem; }
  .dash-hero h1 { font-size: 1.75rem; }
}

/* ── Reduced motion ──────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  html { scroll-behavior: auto !important; }
}
html { scroll-behavior: smooth; }