/* ==========================================================================
   QMF Markdown Viewer
   Matches docs portal: Apple/macOS developer + clean reading surface
   ========================================================================== */

:root {
  --radius-sm: 8px;
  --radius: 12px;
  --header-h: 52px;
  --toc-w: 220px;
  --nav-w: 220px;
  --prose: 42rem;
  --font-sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo,
    Consolas, monospace;
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  --duration: 180ms;
  --ok: #248a3d;
  --warn: #bf4800;
  --danger: #d70015;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f5f5f7;
    --bg-elevated: #ffffff;
    --bg-subtle: #ebebed;
    --text: #1d1d1f;
    --text-secondary: #6e6e73;
    --text-tertiary: #86868b;
    --border: rgba(0, 0, 0, 0.08);
    --border-strong: rgba(0, 0, 0, 0.12);
    --accent: #0071e3;
    --accent-hover: #0077ed;
    --accent-soft: rgba(0, 113, 227, 0.08);
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    --code-bg: #f0f0f2;
    --pre-bg: #1d1d1f;
    --pre-text: #f5f5f7;
    --header-bg: rgba(245, 245, 247, 0.78);
    --blockquote-bg: rgba(0, 113, 227, 0.06);
    --table-stripe: rgba(0, 0, 0, 0.02);
    --progress: #0071e3;
    --focus-ring: 0 0 0 3px rgba(0, 113, 227, 0.35);
  }
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0a0a0a;
    --bg-elevated: #161617;
    --bg-subtle: #1c1c1e;
    --text: #f5f5f7;
    --text-secondary: #a1a1a6;
    --text-tertiary: #6e6e73;
    --border: rgba(255, 255, 255, 0.1);
    --border-strong: rgba(255, 255, 255, 0.16);
    --accent: #2997ff;
    --accent-hover: #40a9ff;
    --accent-soft: rgba(41, 151, 255, 0.12);
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.24);
    --code-bg: #1c1c1e;
    --pre-bg: #111113;
    --pre-text: #f5f5f7;
    --header-bg: rgba(10, 10, 10, 0.78);
    --blockquote-bg: rgba(41, 151, 255, 0.08);
    --table-stripe: rgba(255, 255, 255, 0.03);
    --progress: #2997ff;
    --focus-ring: 0 0 0 3px rgba(41, 151, 255, 0.4);
  }
}

:root[data-theme="light"] {
  --bg: #f5f5f7;
  --bg-elevated: #ffffff;
  --bg-subtle: #ebebed;
  --text: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary: #86868b;
  --border: rgba(0, 0, 0, 0.08);
  --border-strong: rgba(0, 0, 0, 0.12);
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --accent-soft: rgba(0, 113, 227, 0.08);
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  --code-bg: #f0f0f2;
  --pre-bg: #1d1d1f;
  --pre-text: #f5f5f7;
  --header-bg: rgba(245, 245, 247, 0.78);
  --blockquote-bg: rgba(0, 113, 227, 0.06);
  --table-stripe: rgba(0, 0, 0, 0.02);
  --progress: #0071e3;
  --focus-ring: 0 0 0 3px rgba(0, 113, 227, 0.35);
}

:root[data-theme="dark"] {
  --bg: #0a0a0a;
  --bg-elevated: #161617;
  --bg-subtle: #1c1c1e;
  --text: #f5f5f7;
  --text-secondary: #a1a1a6;
  --text-tertiary: #6e6e73;
  --border: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.16);
  --accent: #2997ff;
  --accent-hover: #40a9ff;
  --accent-soft: rgba(41, 151, 255, 0.12);
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.24);
  --code-bg: #1c1c1e;
  --pre-bg: #111113;
  --pre-text: #f5f5f7;
  --header-bg: rgba(10, 10, 10, 0.78);
  --blockquote-bg: rgba(41, 151, 255, 0.08);
  --table-stripe: rgba(255, 255, 255, 0.03);
  --progress: #2997ff;
  --focus-ring: 0 0 0 3px rgba(41, 151, 255, 0.4);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--text);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(0, 113, 227, 0.06), transparent 55%),
    radial-gradient(900px 400px at 90% 0%, rgba(0, 0, 0, 0.03), transparent 50%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) body {
    background:
      radial-gradient(1200px 500px at 10% -10%, rgba(41, 151, 255, 0.08), transparent 55%),
      radial-gradient(900px 400px at 90% 0%, rgba(255, 255, 255, 0.02), transparent 50%),
      var(--bg);
  }
}

:root[data-theme="dark"] body {
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(41, 151, 255, 0.08), transparent 55%),
    radial-gradient(900px 400px at 90% 0%, rgba(255, 255, 255, 0.02), transparent 50%),
    var(--bg);
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
  text-underline-offset: 2px;
}
:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: 4px;
}

/* Progress */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  z-index: 100;
  background: var(--progress);
  transform-origin: left;
  transition: width 80ms linear;
  pointer-events: none;
}

/* Header */
.mv-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--header-bg);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
}

.mv-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  flex-shrink: 0;
}
.mv-brand:hover {
  text-decoration: none;
  color: var(--text);
  opacity: 0.85;
}
.mv-brand img {
  width: 22px;
  height: 22px;
}

.mv-crumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  min-width: 0;
  flex: 1;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.mv-crumb strong {
  color: var(--text);
  font-weight: 550;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mv-crumb .sep {
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.mv-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
}

.mv-btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font: inherit;
  font-size: 0.75rem;
  font-weight: 500;
  height: 32px;
  padding: 0 0.7rem;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: background var(--duration) var(--ease), color var(--duration) var(--ease),
    border-color var(--duration) var(--ease);
  text-decoration: none;
}
.mv-btn:hover {
  background: var(--bg-subtle);
  color: var(--text);
  text-decoration: none;
  border-color: var(--border-strong);
}
.mv-btn-icon {
  width: 32px;
  padding: 0;
  justify-content: center;
}
.mv-btn-primary {
  background: var(--accent);
  border-color: transparent;
  color: #fff;
}
.mv-btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
}

.mv-mobile-toggles {
  display: none;
  gap: 0.35rem;
}

.mv-search-trigger {
  gap: 0.55rem;
  padding-inline: 0.65rem 0.45rem;
}
.mv-search-label {
  color: var(--text-tertiary);
  font-weight: 500;
}
.mv-kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.4rem;
  height: 1.25rem;
  padding: 0 0.35rem;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: var(--bg-subtle);
  color: var(--text-tertiary);
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 600;
  line-height: 1;
}

/* Layout */
.mv-shell {
  display: grid;
  grid-template-columns: var(--nav-w) minmax(0, 1fr) var(--toc-w);
  gap: 0;
  max-width: 1280px;
  margin: 0 auto;
  min-height: calc(100vh - var(--header-h));
}

.mv-nav,
.mv-toc {
  position: sticky;
  top: var(--header-h);
  align-self: start;
  height: calc(100vh - var(--header-h));
  overflow-y: auto;
  overflow-x: hidden;
  padding: 1.25rem 1rem 2.5rem;
  scrollbar-width: none;
}
.mv-nav::-webkit-scrollbar,
.mv-toc::-webkit-scrollbar {
  display: none;
}

.mv-nav {
  border-right: 1px solid var(--border);
}
.mv-toc {
  border-left: 1px solid var(--border);
}

.mv-side-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin: 0 0 0.85rem 0.35rem;
}

.mv-nav-group {
  margin-bottom: 1.15rem;
  padding-bottom: 1.05rem;
  border-bottom: 1px solid var(--border);
}
.mv-nav-group:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.mv-nav-cat {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0 0 0.45rem;
  padding: 0.28rem 0.5rem;
  border-radius: 999px;
  background: var(--bg-subtle);
  color: var(--text-secondary);
  font-size: 0.6875rem;
  font-weight: 650;
  letter-spacing: 0.02em;
}
.mv-nav-mark {
  display: inline-flex;
  width: 1rem;
  justify-content: center;
  color: var(--accent);
  font-size: 0.7rem;
  line-height: 1;
}

.mv-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.mv-nav-list a {
  display: block;
  padding: 0.35rem 0.55rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  line-height: 1.35;
  text-decoration: none;
  transition: background var(--duration) var(--ease), color var(--duration) var(--ease);
}
.mv-nav-list a:hover {
  background: var(--accent-soft);
  color: var(--text);
  text-decoration: none;
}
.mv-nav-list a.is-active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 560;
}
.mv-nav-list .badge {
  display: inline-block;
  margin-left: 0.35rem;
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--accent);
  vertical-align: 0.05em;
}

/* TOC tree + rail */
.mv-toc-tree {
  position: relative;
  display: grid;
  grid-template-columns: 3px 1fr;
  gap: 0.65rem;
  min-height: 4rem;
}
.toc-rail {
  position: relative;
  width: 3px;
  border-radius: 999px;
  background: var(--border);
  overflow: hidden;
  align-self: stretch;
  min-height: 100%;
}
.toc-rail-fill {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0%;
  background: var(--accent);
  border-radius: inherit;
  transition: height 160ms var(--ease);
}

.mv-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.mv-toc-list .toc-row {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}
.mv-toc-list a {
  display: block;
  flex: 1;
  min-width: 0;
  padding: 0.28rem 0.35rem;
  color: var(--text-secondary);
  font-size: 0.78rem;
  line-height: 1.35;
  text-decoration: none;
  border-radius: 6px;
  transition: color var(--duration) var(--ease), background var(--duration) var(--ease);
}
.mv-toc-list a:hover {
  color: var(--text);
  text-decoration: none;
  background: var(--accent-soft);
}
.mv-toc-list a.is-active,
.mv-toc-list a.is-active-parent {
  color: var(--accent);
  font-weight: 560;
}
.mv-toc-list a.is-active {
  background: var(--accent-soft);
}
.toc-toggle {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text-tertiary);
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.7rem;
  line-height: 1;
  flex-shrink: 0;
}
.toc-toggle:hover {
  background: var(--bg-subtle);
  color: var(--text);
}
.toc-children {
  list-style: none;
  margin: 0.1rem 0 0.35rem;
  padding: 0 0 0 0.55rem;
  border-left: 1px solid var(--border);
}
.toc-h2.is-collapsed > .toc-children {
  display: none;
}
.toc-h3 a {
  font-size: 0.74rem;
  padding-left: 0.45rem;
}
.mv-toc-empty {
  font-size: 0.78rem;
  color: var(--text-tertiary);
  padding: 0.25rem 0.5rem;
}

/* Main article */
.mv-main {
  min-width: 0;
  padding: 1.5rem 2rem 4rem;
}

.mv-hero {
  max-width: var(--prose);
  margin: 0 auto 1rem;
  padding: 0 0.15rem;
}
.mv-hero-title {
  margin: 0 0 0.7rem;
  font-size: 1.85rem;
  font-weight: 650;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text);
}
.mv-hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.7rem;
  font-size: 0.78rem;
  color: var(--text-secondary);
}
.mv-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.mv-meta-k {
  color: var(--text-tertiary);
  font-weight: 560;
}
.mv-meta-path {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-tertiary);
}
.mv-hero-meta .pill {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 0.55rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 560;
  font-size: 0.7rem;
}
.pill-stable {
  background: rgba(36, 138, 61, 0.12);
  color: var(--ok);
}
.pill-new {
  background: var(--accent-soft);
  color: var(--accent);
}
.pill-alpha {
  background: rgba(191, 72, 0, 0.12);
  color: var(--warn);
}

.mv-article {
  max-width: var(--prose);
  margin: 0 auto;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2.25rem 2.5rem 2.75rem;
  animation: mv-in 320ms var(--ease) both;
}

@keyframes mv-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.mv-status {
  max-width: var(--prose);
  margin: 3rem auto;
  text-align: center;
  color: var(--text-secondary);
}
.mv-status.error {
  color: var(--danger);
}
.mv-spinner {
  width: 22px;
  height: 22px;
  margin: 0 auto 0.75rem;
  border: 2px solid var(--border-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Markdown prose */
.markdown-body {
  color: var(--text);
  font-size: 1.015rem;
  line-height: 1.7;
  letter-spacing: -0.011em;
}

.markdown-body > :first-child {
  margin-top: 0;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
  font-weight: 650;
  letter-spacing: -0.025em;
  line-height: 1.25;
  color: var(--text);
  scroll-margin-top: calc(var(--header-h) + 1rem);
}

.markdown-body h1 {
  font-size: 2rem;
  margin: 0 0 1rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border);
}

.markdown-body h2 {
  font-size: 1.4rem;
  margin: 2.35rem 0 0.85rem;
  padding-top: 0.35rem;
}

.markdown-body h3 {
  font-size: 1.125rem;
  margin: 1.75rem 0 0.55rem;
}

.markdown-body h4 {
  font-size: 1rem;
  margin: 1.4rem 0 0.45rem;
}

.markdown-body .heading-anchor {
  margin-left: 0.35rem;
  color: var(--text-tertiary);
  opacity: 0;
  font-weight: 500;
  text-decoration: none;
  transition: opacity var(--duration) var(--ease);
}
.markdown-body h1:hover .heading-anchor,
.markdown-body h2:hover .heading-anchor,
.markdown-body h3:hover .heading-anchor {
  opacity: 1;
}

.markdown-body p {
  margin: 0 0 1.05rem;
}

.markdown-body a {
  font-weight: 500;
}

.markdown-body strong {
  font-weight: 650;
}

.markdown-body ul,
.markdown-body ol {
  margin: 0 0 1.1rem;
  padding-left: 1.35rem;
}
.markdown-body li {
  margin: 0.28rem 0;
}
.markdown-body li::marker {
  color: var(--text-tertiary);
}

.markdown-body blockquote {
  margin: 1.25rem 0;
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--accent);
  background: var(--blockquote-bg);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-secondary);
}
.markdown-body blockquote p:last-child {
  margin-bottom: 0;
}

.markdown-body hr {
  border: 0;
  height: 1px;
  background: var(--border);
  margin: 2rem 0;
}

.markdown-body code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: var(--code-bg);
  padding: 0.12em 0.38em;
  border-radius: 5px;
  border: 1px solid var(--border);
}

.markdown-body .code-block {
  margin: 1.25rem 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--pre-bg);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}
.markdown-body .code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.45rem 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
}
.markdown-body .code-lang {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 560;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}
.markdown-body .code-block pre {
  position: relative;
  margin: 0;
  padding: 1rem 1.1rem;
  background: transparent;
  color: var(--pre-text);
  border-radius: 0;
  overflow-x: auto;
  border: 0;
  scrollbar-width: thin;
}
.markdown-body pre code {
  background: transparent;
  border: 0;
  padding: 0;
  font-size: 0.84rem;
  line-height: 1.55;
  color: inherit;
}
.markdown-body .code-copy {
  appearance: none;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.78);
  font: inherit;
  font-size: 0.68rem;
  font-weight: 550;
  padding: 0.22rem 0.55rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background var(--duration) var(--ease), color var(--duration) var(--ease);
}
.markdown-body .code-copy:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}
.markdown-body .code-copy.copied {
  color: #7dff9a;
  border-color: rgba(125, 255, 154, 0.35);
}

.markdown-body h1.mv-h1-dup {
  display: none;
}

.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.92rem;
  display: block;
  overflow-x: auto;
}
.markdown-body th,
.markdown-body td {
  border: 1px solid var(--border);
  padding: 0.55rem 0.75rem;
  text-align: left;
}
.markdown-body th {
  background: var(--bg-subtle);
  font-weight: 600;
}
.markdown-body tr:nth-child(even) td {
  background: var(--table-stripe);
}

.markdown-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}

.markdown-body .task-list-item {
  list-style: none;
  margin-left: -1.1rem;
}

/* Footer nav */
.mv-pager {
  max-width: var(--prose);
  margin: 1.5rem auto 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.mv-pager a {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.9rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text);
  transition: border-color var(--duration) var(--ease), background var(--duration) var(--ease);
}
.mv-pager a:hover {
  border-color: var(--border-strong);
  background: var(--bg-subtle);
  text-decoration: none;
}
.mv-pager a span {
  font-size: 0.72rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}
.mv-pager a strong {
  font-size: 0.9rem;
  font-weight: 560;
}
.mv-pager a.next {
  text-align: right;
  grid-column: 2;
}
.mv-pager a.prev {
  grid-column: 1;
}

/* Command palette */
.mv-cmd[hidden] {
  display: none !important;
}
.mv-cmd {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: start center;
  padding: 12vh 1rem 2rem;
}
.mv-cmd-scrim {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.mv-cmd-panel {
  position: relative;
  width: min(560px, 100%);
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  box-shadow: var(--shadow-lg, 0 16px 48px rgba(0, 0, 0, 0.22));
  overflow: hidden;
  animation: mv-in 180ms var(--ease) both;
}
.mv-cmd-input-wrap {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.85rem 0.95rem;
  border-bottom: 1px solid var(--border);
}
.mv-cmd-icon {
  color: var(--text-tertiary);
  font-size: 1rem;
}
.mv-cmd-input {
  flex: 1;
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 0.98rem;
  outline: none;
}
.mv-cmd-results {
  list-style: none;
  margin: 0;
  padding: 0.4rem;
  max-height: min(360px, 48vh);
  overflow: auto;
  scrollbar-width: thin;
}
.mv-cmd-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.65rem 0.7rem;
  border-radius: 8px;
  cursor: pointer;
}
.mv-cmd-item.is-active,
.mv-cmd-item:hover {
  background: var(--accent-soft);
}
.mv-cmd-title {
  font-size: 0.9rem;
  font-weight: 550;
  color: var(--text);
}
.mv-cmd-cat {
  font-size: 0.72rem;
  color: var(--text-tertiary);
  flex-shrink: 0;
}
.mv-cmd-empty {
  padding: 1.25rem 0.75rem;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 0.85rem;
}
.mv-cmd-footer {
  display: flex;
  gap: 0.9rem;
  padding: 0.55rem 0.9rem 0.7rem;
  border-top: 1px solid var(--border);
  color: var(--text-tertiary);
  font-size: 0.72rem;
}
body.mv-cmd-open {
  overflow: hidden;
}

/* Mobile drawers */
.mv-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 60;
  opacity: 0;
  transition: opacity var(--duration) var(--ease);
}
.mv-backdrop.is-open {
  display: block;
  opacity: 1;
}

@media (max-width: 1100px) {
  .mv-shell {
    grid-template-columns: var(--nav-w) minmax(0, 1fr);
  }
  .mv-toc {
    display: none;
  }
  .mv-toc.is-drawer {
    display: block;
    position: fixed;
    top: 0;
    right: 0;
    width: min(300px, 88vw);
    height: 100vh;
    z-index: 70;
    background: var(--bg-elevated);
    border-left: 1px solid var(--border);
    transform: translateX(100%);
    transition: transform 220ms var(--ease);
    padding-top: 1rem;
  }
  .mv-toc.is-drawer.is-open {
    transform: none;
  }
  .mv-mobile-toggles {
    display: inline-flex;
  }
}

@media (max-width: 860px) {
  .mv-shell {
    grid-template-columns: 1fr;
  }
  .mv-nav {
    display: none;
  }
  .mv-nav.is-drawer {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: min(300px, 88vw);
    height: 100vh;
    z-index: 70;
    background: var(--bg-elevated);
    border-right: 1px solid var(--border);
    transform: translateX(-100%);
    transition: transform 220ms var(--ease);
    padding-top: 1rem;
  }
  .mv-nav.is-drawer.is-open {
    transform: none;
  }
  .mv-main {
    padding: 1.25rem 1rem 3rem;
  }
  .mv-article {
    padding: 1.4rem 1.15rem 1.75rem;
    border-radius: var(--radius-sm);
  }
  .mv-hero-title {
    font-size: 1.45rem;
  }
  .markdown-body h1 {
    font-size: 1.6rem;
  }
  .mv-crumb {
    display: none;
  }
  .mv-search-label {
    display: none;
  }
  .mv-pager {
    grid-template-columns: 1fr;
  }
  .mv-pager a.next,
  .mv-pager a.prev {
    grid-column: 1;
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
  html {
    scroll-behavior: auto;
  }
}