:root {
  color-scheme: light;
  --bg: #f7f8fa;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --surface-3: #e7eaf0;
  --text: #161a22;
  --muted: #667085;
  --border: #d8dde6;
  --border-strong: #b9c1cf;
  --accent: #3157d5;
  --accent-hover: #2648b7;
  --accent-soft: #e8edff;
  --danger: #c12a35;
  --warning: #986b08;
  --success: #16704a;
  --focus: #5178f5;
  --code-bg: #11151c;
  --code-gutter: #171d27;
  --code-line: #1c2431;
  --code-fg: #dce4ef;
  --shadow: 0 12px 35px rgb(19 29 49 / 14%);
  --font-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0c1016;
  --surface: #121820;
  --surface-2: #171e28;
  --surface-3: #202a36;
  --text: #e7edf6;
  --muted: #98a5b8;
  --border: #2a3543;
  --border-strong: #3d4a5a;
  --accent: #86a4ff;
  --accent-hover: #a2b8ff;
  --accent-soft: #1b2851;
  --danger: #ff8a94;
  --warning: #e9bd62;
  --success: #75d6aa;
  --focus: #9ab2ff;
  --code-bg: #090c11;
  --code-gutter: #0e131b;
  --code-line: #151c27;
  --code-fg: #dce4ef;
  --shadow: 0 16px 40px rgb(0 0 0 / 35%);
}

* { box-sizing: border-box; }
html { font-size: 16px; }
body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font: 0.875rem/1.5 var(--font-sans);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, textarea, select { font: inherit; }
button, .button {
  min-height: 2.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: 1px solid var(--border-strong);
  border-radius: 0.4rem;
  padding: 0.35rem 0.7rem;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-weight: 600;
  line-height: 1.2;
}
button:hover, .button:hover { background: var(--surface-2); text-decoration: none; }
.button-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
:root[data-theme="dark"] .button-primary { color: #0a1020; }
.button-primary:hover { background: var(--accent-hover); }
.button-danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger), transparent 50%); }
.button-quiet { border-color: transparent; background: transparent; }
.button-small { min-height: 1.75rem; padding: 0.22rem 0.55rem; font-size: 0.78rem; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, summary:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}
input[type="text"], input[type="url"], input[type="password"], input[type="number"], input[type="search"], textarea, select {
  width: 100%;
  min-height: 2.15rem;
  border: 1px solid var(--border-strong);
  border-radius: 0.4rem;
  padding: 0.42rem 0.55rem;
  background: var(--surface);
  color: var(--text);
}
textarea { resize: vertical; font-family: var(--font-mono); line-height: 1.45; }
label { display: block; margin-bottom: 0.25rem; font-weight: 650; }
.helptext, .help, .muted { color: var(--muted); font-size: 0.78rem; }
.sr-only {
  position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important;
  margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important; border: 0 !important;
}
.skip-link { position: fixed; z-index: 100; top: -4rem; left: 1rem; background: var(--accent); color: white; padding: 0.6rem; }
.skip-link:focus { top: 1rem; }

.app-header {
  position: fixed; z-index: 40; inset: 0 0 auto 0; height: 3.25rem;
  display: grid; grid-template-columns: 13.5rem minmax(0, 1fr) auto; align-items: center;
  gap: 1rem; padding: 0 1rem; border-bottom: 1px solid var(--border); background: color-mix(in srgb, var(--surface), transparent 4%);
  backdrop-filter: blur(12px);
}
.brand { display: flex; align-items: center; gap: 0.6rem; font-weight: 760; color: var(--text); letter-spacing: -0.015em; }
.brand:hover { text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 1.65rem; height: 1.65rem; border-radius: 0.35rem; background: var(--accent); color: white; font: 700 0.76rem var(--font-mono); }
.header-search { justify-self: center; width: min(38rem, 100%); color: var(--muted); justify-content: space-between; font-weight: 500; }
.header-search kbd { border: 1px solid var(--border); background: var(--surface-2); border-radius: 0.25rem; padding: 0.1rem 0.35rem; font: 0.68rem var(--font-mono); }
.header-actions { display: flex; align-items: center; gap: 0.4rem; }
.sidebar-toggle { display: none; }

.sidebar {
  position: fixed; z-index: 30; inset: 3.25rem auto 0 0; width: 13.5rem; overflow-y: auto;
  padding: 0.75rem; border-right: 1px solid var(--border); background: var(--surface);
  display: flex; flex-direction: column; gap: 1rem;
}
.sidebar-section { display: grid; gap: 0.18rem; }
.sidebar-label { margin: 0.35rem 0.45rem; color: var(--muted); font-size: 0.68rem; font-weight: 760; text-transform: uppercase; letter-spacing: 0.08em; }
.sidebar a { display: flex; align-items: center; gap: 0.45rem; min-height: 2rem; border-radius: 0.35rem; padding: 0.3rem 0.45rem; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar a:hover, .sidebar a[aria-current="page"] { background: var(--surface-2); text-decoration: none; }
.sidebar-bottom { margin-top: auto; }
.sidebar-backdrop { display: none; }
.theme-picker { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.2rem; }
.theme-picker button { min-height: 1.75rem; padding: 0.2rem; font-size: 0.7rem; }
.theme-picker button[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }

.app-main { margin: 3.25rem 0 0 13.5rem; min-width: 0; padding: 1.25rem clamp(1rem, 2.2vw, 2rem) 3rem; }
.content { width: min(82rem, 100%); margin: 0 auto; min-width: 0; }
.page-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.page-header h1 { margin: 0; font-size: clamp(1.35rem, 2vw, 1.85rem); letter-spacing: -0.025em; line-height: 1.2; }
.page-header p { margin: 0.3rem 0 0; color: var(--muted); }
.page-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 0.4rem; }
.panel { min-width: 0; border: 1px solid var(--border); border-radius: 0.55rem; background: var(--surface); }
.panel-header { display: flex; justify-content: space-between; align-items: center; gap: 0.75rem; min-height: 2.65rem; padding: 0.55rem 0.75rem; border-bottom: 1px solid var(--border); }
.panel-header h2, .panel-header h3 { margin: 0; font-size: 0.9rem; }
.panel-body { min-width: 0; padding: 0.85rem; }
.stack { display: grid; gap: 1rem; }
.cluster { display: flex; flex-wrap: wrap; align-items: center; gap: 0.4rem; }
.two-column { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.dashboard-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.dashboard-search { grid-column: 1 / -1; }
.dashboard-search button { width: 100%; min-height: 3.2rem; justify-content: space-between; padding: 0 1rem; font-size: 1rem; color: var(--muted); }
.stats-line { display: flex; flex-wrap: wrap; gap: 1rem; color: var(--muted); font-size: 0.78rem; }
.stats-line strong { color: var(--text); }

.dense-list { list-style: none; margin: 0; padding: 0; }
.dense-list > li { border-top: 1px solid var(--border); }
.dense-list > li:first-child { border-top: 0; }
.dense-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 0.6rem; align-items: center; padding: 0.58rem 0.7rem; color: var(--text); }
.dense-row:hover { background: var(--surface-2); text-decoration: none; }
.dense-row-title { font-weight: 650; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dense-row-meta { color: var(--muted); font-size: 0.74rem; white-space: nowrap; }
.empty { padding: 1.1rem; color: var(--muted); text-align: center; }

.status, .tag, .language-chip {
  display: inline-flex; align-items: center; min-height: 1.35rem; border: 1px solid var(--border);
  border-radius: 999px; padding: 0.05rem 0.42rem; font-size: 0.68rem; font-weight: 650; line-height: 1.3;
}
.status-verified { color: var(--success); border-color: color-mix(in srgb, var(--success), transparent 55%); }
.status-needs_review { color: var(--warning); border-color: color-mix(in srgb, var(--warning), transparent 55%); }
.status-deprecated { color: var(--danger); border-color: color-mix(in srgb, var(--danger), transparent 55%); }
.tag { color: var(--muted); font-weight: 500; }
.tag:hover { color: var(--accent); text-decoration: none; border-color: var(--accent); }

.browse-layout { display: grid; grid-template-columns: 14rem minmax(0, 1fr); gap: 1rem; align-items: start; }
.filter-panel { position: sticky; top: 4.25rem; }
.filter-form { display: grid; gap: 0.7rem; }
.filter-form label { color: var(--muted); font-size: 0.72rem; }
.filter-form input, .filter-form select { margin-top: 0.2rem; }
.result-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 0.7rem; margin-bottom: 0.55rem; color: var(--muted); }
.result-list { overflow: hidden; }
.result-row { display: block; padding: 0.75rem 0.85rem; border-top: 1px solid var(--border); color: var(--text); }
.result-row:first-child { border-top: 0; }
.result-row:hover { background: var(--surface-2); text-decoration: none; }
.result-title-line { display: flex; align-items: center; gap: 0.45rem; min-width: 0; }
.result-title { font-size: 0.96rem; font-weight: 700; }
.result-summary { margin: 0.25rem 0 0.35rem; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.result-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 0.35rem; color: var(--muted); font-size: 0.72rem; }
.pagination { display: flex; justify-content: center; align-items: center; gap: 0.4rem; margin: 1rem 0; }

.snippet-heading { min-width: 0; }
.snippet-heading .summary { max-width: 62rem; font-size: 0.95rem; color: var(--muted); }
.detail-grid { display: grid; grid-template-columns: minmax(0, 1fr) 16rem; gap: 1rem; align-items: start; }
.detail-main, .detail-rail { min-width: 0; display: grid; gap: 1rem; }
.variant-tabs { display: flex; overflow-x: auto; gap: 0.2rem; padding: 0.35rem; border-bottom: 1px solid var(--border); }
.variant-tabs a { flex: 0 0 auto; border-radius: 0.35rem; padding: 0.35rem 0.6rem; color: var(--muted); font-size: 0.78rem; font-weight: 650; }
.variant-tabs a[aria-current="true"], .variant-tabs a:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.code-panel { min-width: 0; overflow: hidden; border-radius: 0 0 0.5rem 0.5rem; background: var(--code-bg); }
.code-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 0.7rem; min-height: 2.5rem; padding: 0.45rem 0.65rem; background: var(--code-gutter); color: var(--code-fg); border-bottom: 1px solid #263142; }
.code-toolbar button { background: #222b38; border-color: #3a4759; color: #edf2fa; }
.code-scroll { max-width: 100%; overflow: auto; max-height: 44rem; }
.highlight { min-width: max-content; background: var(--code-bg); color: var(--code-fg); }
.highlighttable { min-width: max-content; border-spacing: 0; }
.highlighttable td { padding: 0; vertical-align: top; }
.highlighttable .linenos { user-select: none; background: var(--code-gutter); color: #617086; border-right: 1px solid #263142; padding: 0.7rem 0.55rem; text-align: right; }
.highlight pre { margin: 0; padding: 0.7rem 0.85rem; font: 0.8rem/1.55 var(--font-mono); tab-size: 4; }
.highlight .k, .highlight .kd, .highlight .kt { color: #ff7ab2; }
.highlight .n, .highlight .p { color: #dce4ef; }
.highlight .nf, .highlight .nc { color: #82d2ff; }
.highlight .s, .highlight .s1, .highlight .s2 { color: #c5e478; }
.highlight .c, .highlight .c1, .highlight .cm { color: #75869c; font-style: italic; }
.highlight .mi, .highlight .mf { color: #c7a0ff; }
.highlight .o { color: #86d8d1; }
.markdown { min-width: 0; overflow-wrap: anywhere; }
.markdown > :first-child { margin-top: 0; }
.markdown > :last-child { margin-bottom: 0; }
.markdown h1, .markdown h2, .markdown h3 { margin: 1.1em 0 0.45em; line-height: 1.25; }
.markdown h1 { font-size: 1.35rem; } .markdown h2 { font-size: 1.12rem; } .markdown h3 { font-size: 0.98rem; }
.markdown code { border: 1px solid var(--border); border-radius: 0.25rem; background: var(--surface-2); padding: 0.08rem 0.28rem; font: 0.82em var(--font-mono); }
.markdown pre { overflow: auto; border-radius: 0.4rem; background: var(--code-bg); color: var(--code-fg); padding: 0.75rem; }
.markdown pre code { border: 0; background: transparent; padding: 0; color: inherit; }
.markdown table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; }
.markdown th, .markdown td { border: 1px solid var(--border); padding: 0.35rem 0.55rem; }
.markdown blockquote { margin-left: 0; border-left: 3px solid var(--accent); padding-left: 0.8rem; color: var(--muted); }
.markdown .math.block { overflow-x: auto; padding: 0.4rem 0; }
.metadata-list { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 0.45rem 0.7rem; margin: 0; }
.metadata-list dt { color: var(--muted); }
.metadata-list dd { margin: 0; overflow-wrap: anywhere; }

.form-layout { display: grid; grid-template-columns: minmax(15rem, 0.35fr) minmax(0, 1fr); gap: 1rem; align-items: start; }
.form-fields { display: grid; gap: 0.8rem; }
.field { min-width: 0; }
.field.checkbox { display: flex; align-items: center; gap: 0.4rem; }
.field.checkbox label { margin: 0; }
.field.checkbox input { width: auto; }
.field-errors, .errorlist { color: var(--danger); margin: 0.25rem 0; padding-left: 1.2rem; font-size: 0.78rem; }
.error-summary { border: 1px solid color-mix(in srgb, var(--danger), transparent 45%); border-radius: 0.5rem; background: color-mix(in srgb, var(--danger), transparent 92%); padding: 0.75rem; margin-bottom: 1rem; }
.variant-form { margin-bottom: 0.8rem; border: 1px solid var(--border); border-radius: 0.5rem; background: var(--surface); overflow: hidden; }
.variant-form > summary { display: flex; align-items: center; gap: 0.5rem; cursor: pointer; padding: 0.65rem 0.8rem; font-weight: 700; background: var(--surface-2); }
.variant-form-body { display: grid; gap: 0.8rem; padding: 0.8rem; }
.variant-meta-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 0.7fr auto; gap: 0.65rem; align-items: end; }
.editor-source-mounted { display: none; }
.code-editor-host { border: 1px solid var(--border-strong); border-radius: 0.4rem; overflow: hidden; }
.markdown-pane { border-top: 1px solid var(--border); padding-top: 0.75rem; }
.markdown-pane-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.35rem; }
.markdown-output { margin-top: 0.5rem; border: 1px dashed var(--border-strong); border-radius: 0.4rem; padding: 0.7rem; min-height: 3rem; }
.sticky-save { position: sticky; z-index: 10; bottom: 0.75rem; display: flex; justify-content: flex-end; gap: 0.5rem; margin-top: 1rem; padding: 0.65rem; border: 1px solid var(--border); border-radius: 0.55rem; background: color-mix(in srgb, var(--surface), transparent 5%); box-shadow: var(--shadow); backdrop-filter: blur(10px); }

.search-dialog { width: min(44rem, calc(100vw - 2rem)); max-height: min(42rem, calc(100vh - 2rem)); padding: 0; border: 1px solid var(--border-strong); border-radius: 0.65rem; background: var(--surface); color: var(--text); box-shadow: var(--shadow); }
.search-dialog::backdrop { background: rgb(5 9 15 / 62%); backdrop-filter: blur(2px); }
.search-input-row { display: flex; align-items: center; gap: 0.45rem; padding: 0.65rem; border-bottom: 1px solid var(--border); }
.search-input-row input { min-height: 2.65rem; border: 0; background: transparent; font-size: 1rem; }
.search-input-row input:focus { outline: 0; }
.search-input-row:focus-within { outline: 2px solid var(--focus); outline-offset: -2px; border-radius: 0.65rem 0.65rem 0 0; }
.search-results { max-height: 31rem; overflow-y: auto; padding: 0.35rem; }
.search-row { display: block; border-radius: 0.4rem; padding: 0.62rem 0.7rem; color: var(--text); }
.search-row:hover, .search-row[data-active="true"] { background: var(--accent-soft); text-decoration: none; }
.search-row-line { display: flex; justify-content: space-between; gap: 0.6rem; }
.search-row-title { font-weight: 720; }
.search-row-summary { margin-top: 0.18rem; color: var(--muted); font-size: 0.78rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.search-footer { display: flex; justify-content: space-between; gap: 0.5rem; padding: 0.45rem 0.75rem; border-top: 1px solid var(--border); color: var(--muted); font-size: 0.68rem; }

.messages { position: fixed; z-index: 60; top: 3.8rem; right: 1rem; display: grid; gap: 0.4rem; width: min(24rem, calc(100vw - 2rem)); }
.message { border: 1px solid var(--border-strong); border-radius: 0.45rem; background: var(--surface); box-shadow: var(--shadow); padding: 0.65rem 0.8rem; }
.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 1rem; }
.login-panel { width: min(24rem, 100%); }
.login-panel .panel-body { padding: 1.25rem; }
.login-panel h1 { margin: 0 0 0.3rem; font-size: 1.35rem; }

@media (max-width: 1023px) {
  .app-header { grid-template-columns: auto minmax(0, 1fr) auto; }
  .brand .brand-name { display: none; }
  .sidebar-toggle { display: inline-flex; }
  .sidebar { transform: translateX(-105%); visibility: hidden; transition: transform 150ms ease, visibility 0s linear 150ms; box-shadow: var(--shadow); }
  body[data-sidebar-open] .sidebar { transform: translateX(0); visibility: visible; transition-delay: 0s; }
  body[data-sidebar-open] .sidebar-backdrop { display: block; position: fixed; z-index: 20; inset: 3.25rem 0 0; background: rgb(0 0 0 / 45%); }
  .app-main { margin-left: 0; }
  .detail-grid { grid-template-columns: minmax(0, 1fr); }
  .detail-rail { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .form-layout { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 767px) {
  body { font-size: 0.84rem; }
  button, .button { min-height: 2.5rem; }
  .app-header { height: 3.5rem; padding: 0 0.65rem; gap: 0.5rem; }
  .header-search { justify-content: center; }
  .header-search span { font-size: 0; }
  .header-search span::after { content: "Search"; font-size: 0.82rem; }
  .header-search kbd { display: none; }
  .header-actions .button-primary span { display: none; }
  .sidebar { top: 3.5rem; width: min(18rem, 86vw); }
  .app-main { margin-top: 3.5rem; padding: 0.9rem 0.65rem 2.5rem; }
  .page-header { align-items: stretch; flex-direction: column; }
  .page-actions { justify-content: flex-start; }
  .two-column, .dashboard-grid, .detail-rail { grid-template-columns: minmax(0, 1fr); }
  .browse-layout { grid-template-columns: minmax(0, 1fr); }
  .filter-panel { position: static; }
  .variant-meta-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .variant-meta-grid .variant-name { grid-column: 1 / -1; }
  .metadata-list { grid-template-columns: minmax(0, 1fr); gap: 0.1rem; }
  .metadata-list dd { margin-bottom: 0.5rem; }
  .highlight pre { font-size: 0.75rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}