:root {
  --bg: #f9fafb; --surface: #ffffff; --fg: #111827; --muted: #6b7280;
  --border: #e5e7eb; --accent: #4f46e5; --accent-2: #a5b4fc;
  --code-bg: #0d1117; --code-fg: #e6edf3; --soft: #eef2ff; --on-accent: #ffffff;
  --err: #dc2626; --err-soft: #fef2f2; --ok: #059669; --ok-soft: #ecfdf5; --warn: #b45309; --warn-soft: #fffbeb;
  --font: Manrope, "Avenir Next", "Trebuchet MS", sans-serif;
  --mono: Menlo, Consolas, Monaco, monospace;
  --gutter: clamp(16px, 4vw, 48px);
  --page-max: 1440px;
  --edge: max(var(--gutter), calc((100% - var(--page-max)) / 2));
  --nav-h: 4rem;
}
:root[data-theme="dark"] {
  --bg: #0f1014; --surface: #17181f; --fg: #e5e7eb; --muted: #8b93a8;
  --border: #26283a; --accent: #a5b4fc; --accent-2: #c7d2fe;
  --code-bg: #0d0e12; --soft: #1e1b4b; --on-accent: #1e1b4b;
  --err: #f87171; --err-soft: #2a1416; --ok: #34d399; --ok-soft: #0f2a20; --warn: #fbbf24; --warn-soft: #2a2110;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1014; --surface: #17181f; --fg: #e5e7eb; --muted: #8b93a8;
    --border: #26283a; --accent: #a5b4fc; --accent-2: #c7d2fe;
    --code-bg: #0d0e12; --soft: #1e1b4b; --on-accent: #1e1b4b;
    --err: #f87171; --err-soft: #2a1416; --ok: #34d399; --ok-soft: #0f2a20; --warn: #fbbf24; --warn-soft: #2a2110;
  }
}
* { box-sizing: border-box; }
html { font-size: clamp(0.9375rem, 0.35vw + 0.84rem, 1.125rem); }
html, body { margin: 0; }
h1, h2, h3, h4 { scroll-margin-top: calc(var(--nav-h) + 0.75rem); }
body { background: var(--bg); color: var(--fg); font-family: var(--font); line-height: 1.6; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre, kbd { font-family: var(--mono); }

/* Nav */
.ms-nav { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 1rem;
  padding: 0.6rem var(--edge); background: var(--surface); border-bottom: 1px solid var(--border); }
.ms-brand { display: flex; align-items: center; gap: 8px; color: var(--fg); }
.ms-brand:hover { text-decoration: none; }
.ms-logo { width: 1.75rem; height: 1.75rem; border-radius: 50%; flex: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.ms-word { font-weight: 800; font-size: 1.125rem; letter-spacing: -0.02em; }
.ms-accent { color: var(--accent); }
.ms-links { display: flex; gap: 1rem; flex: 1; }
.ms-links a { color: var(--muted); font-weight: 600; }
.ms-links a:hover { color: var(--fg); text-decoration: none; }
.ms-extlink { display: inline-flex; align-items: center; gap: 4px; }
.ms-icon { display: inline-flex; }
.ms-ext { display: inline-flex; opacity: 0.7; }
.ms-iconbtn { display: inline-flex; align-items: center; padding: 0.3rem 0.45rem; border: 1px solid var(--border);
  border-radius: 0.5rem; background: var(--surface); color: var(--muted); }
.ms-iconbtn:hover { color: var(--fg); text-decoration: none; }
.ms-search-btn { display: flex; gap: 1.5rem; align-items: center; min-width: 12rem; padding: 0.4rem 0.65rem;
  border: 1px solid var(--border); border-radius: 0.5rem; background: var(--bg); color: var(--muted);
  font: inherit; cursor: pointer; }
.ms-search-btn kbd { font-size: 0.75rem; border: 1px solid var(--border); border-radius: 4px; padding: 0 4px; }
.ms-version { display: flex; border: 1px solid var(--border); border-radius: 999px; overflow: hidden; }
.ms-version-link { padding: 0.15rem 0.65rem; font-size: 0.8rem; color: var(--muted); }
.ms-version-current { background: var(--soft); color: var(--accent); font-weight: 700; }
.ms-theme, .ms-menu { border: 0; background: none; color: var(--fg); font-size: 1.125rem; cursor: pointer; }
.ms-menu { display: none; }

/* Buttons and code */
.ms-btn { display: inline-block; padding: 0.5rem 0.9rem; border-radius: 0.5rem; border: 1px solid var(--border);
  color: var(--fg); font-weight: 600; }
.ms-btn:hover { text-decoration: none; }
.ms-btn-primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.ms-code { background: var(--code-bg); color: var(--code-fg); padding: 0.9rem 1rem; border-radius: 0.6rem;
  overflow-x: auto; font-size: 0.85rem; line-height: 1.55; }
.ms-code code { background: none; padding: 0; color: inherit; }
.tk-kw { color: #a5b4fc; font-weight: 700; }
.tk-str { color: #a5d6ff; }
.tk-com { color: #8b93a8; font-style: italic; }
.tk-num { color: #f0abfc; }
.tk-tag { color: #fbbf24; }
.tk-type { color: #86efac; }
.tk-doc { color: #8b93a8; font-style: italic; font-weight: 600; }

/* Landing */
.ms-landing { width: min(100% - 2 * var(--gutter), var(--page-max)); margin: 0 auto; padding: 0 0 3rem; }
.ms-hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 2.5rem; align-items: center;
  padding: 4.5rem 0 3rem; }
.ms-hero h1 { font-size: clamp(2rem, 1.2rem + 3vw, 3.6rem); line-height: 1.08; letter-spacing: -0.03em; margin: 0.6rem 0 1rem; }
.ms-hero h1 em { font-style: normal; color: var(--accent); }
.ms-eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 800;
  font-size: 0.8125rem; margin: 0; }
.ms-lead { color: var(--muted); font-size: 1.15rem; max-width: 36rem; margin: 0 0 1.6rem; }
.ms-cta { display: flex; flex-wrap: wrap; gap: 0.65rem; }
.ms-facts { display: flex; flex-wrap: wrap; gap: 0.5rem 1.1rem; margin-top: 1.4rem; color: var(--muted); font-size: 0.8125rem; }
.ms-facts b { color: var(--fg); }
.ms-hero-code { display: grid; gap: 0.7rem; min-width: 0; }
.ms-hero-code .ms-code { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.ms-hero-text { min-width: 0; }
.ms-codelabel { display: block; margin-bottom: 4px; color: #7d8590; font-family: var(--font); font-size: 0.6875rem;
  font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
.ms-term-error { color: #ff7b72; font-weight: 700; }
.ms-section { padding: 3rem 0; border-top: 1px solid var(--border); }
.ms-section-head h2 { font-size: 1.9rem; letter-spacing: -0.02em; margin: 0.3rem 0 1.4rem; }
.ms-paths { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.ms-path { display: flex; flex-direction: column; gap: 0.6rem; background: var(--surface); border: 1px solid var(--border);
  border-radius: 0.9rem; padding: 1.4rem; }
.ms-path h3 { margin: 0; font-size: 1.25rem; }
.ms-path p { margin: 0; color: var(--muted); }
.ms-path ul { margin: 0.2rem 0 0.4rem; padding-left: 1.1rem; color: var(--muted); }
.ms-path li b { color: var(--fg); }
.ms-go { margin-top: auto; font-weight: 800; }
.ms-tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.ms-tile { background: var(--surface); border: 1px solid var(--border); border-radius: 0.8rem; padding: 1.1rem 1.2rem; }
.ms-tile h3 { margin: 0 0 0.3rem; font-size: 1.02rem; }
.ms-tile p { margin: 0; color: var(--muted); font-size: 0.93rem; }
.ms-tabs { display: flex; flex-wrap: wrap; gap: 4px; }
.ms-tab { border: 1px solid var(--border); border-bottom: 0; border-radius: 0.5rem 0.5rem 0 0; padding: 6px 14px;
  background: var(--surface); color: var(--muted); font: inherit; font-size: 0.8125rem; font-weight: 700; cursor: pointer; }
.ms-tab-active { background: var(--code-bg); color: var(--code-fg); border-color: var(--code-bg); }
.ms-start .ms-code { border-top-left-radius: 0; margin-top: 0; }
.ms-ex { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.ms-excard { display: flex; flex-direction: column; gap: 0.35rem; min-width: 0; border: 1px solid var(--border);
  background: var(--surface); border-radius: 0.8rem; padding: 1rem; color: var(--fg); }
.ms-excard:hover { text-decoration: none; border-color: var(--accent); }
.ms-excard b { font-size: 0.98rem; }
.ms-excard span { color: var(--muted); font-size: 0.88rem; }
.ms-excard i { margin-top: auto; font-style: normal; font-size: 0.75rem; font-weight: 800; color: var(--accent);
  overflow-wrap: anywhere; }
.ms-play { display: grid; grid-template-columns: 1fr 1.2fr; gap: 2rem; align-items: center; background: var(--soft);
  border: 1px solid var(--border); border-radius: 1rem; padding: 2rem; }
.ms-play h2 { font-size: 1.9rem; letter-spacing: -0.02em; margin: 0.3rem 0 0.6rem; }
.ms-play-text { color: var(--muted); margin: 0 0 1.2rem; }
.ms-mini { display: grid; grid-template-columns: 1.1fr 1fr; min-height: 190px; overflow: hidden; border-radius: 0.7rem;
  background: var(--code-bg); color: var(--code-fg); font-family: var(--mono); font-size: 0.72rem; line-height: 1.55;
  white-space: pre-wrap; }
.ms-mini > div { min-width: 0; padding: 0.8rem; overflow-wrap: anywhere; }
.ms-mini-r { border-left: 1px solid #22262e; background: #11151c; }
.ms-mini-wavy { text-decoration: wavy underline #f85149; text-underline-offset: 3px; }
.ms-mini-err { color: #ff7b72; font-weight: 700; }
.ms-mini-ok { color: #7ee787; }

/* Playground */
.pg-app { display: flex; flex-direction: column; height: calc(100dvh - var(--nav-h)); min-height: 32rem; }
.pg { display: flex; flex-direction: column; flex: 1; min-height: 0; font-size: 0.875rem; line-height: 1.5; }
.pg-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; padding: 8px var(--gutter);
  border-bottom: 1px solid var(--border); }
.pg-select, .pg-btn { max-width: 100%; padding: 5px 9px; border: 1px solid var(--border); border-radius: 7px;
  background: var(--surface); color: var(--fg); font: inherit; font-size: 0.8125rem; }
.pg-btn:disabled { opacity: 0.55; cursor: not-allowed; }
.pg-sharestatus { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; padding: 0 var(--gutter);
  font-size: 0.8125rem; overflow-wrap: anywhere; }
.pg-sharestatus:not(:empty) { padding-top: 6px; padding-bottom: 6px; border-bottom: 1px solid var(--border); }
.pg-hint { color: var(--muted); font-size: 0.75rem; }
.pg-spacer { flex: 1; }
.pg-pill { padding: 2px 8px; border-radius: 99px; background: var(--soft); color: var(--accent); font-size: 0.6875rem;
  font-weight: 700; }
.pg { --pg-head: 42px; }
.pg-bench { display: grid; grid-template-columns: minmax(0, 1.15fr) 6px minmax(0, 1fr); flex: 1; min-height: 0; }
.pg-pane { display: flex; flex-direction: column; min-width: 0; min-height: 0; background: var(--surface); }
.pg-splitter { background: var(--border); }
/* The header of the model and the tab row of the results have one height, so a tab with its controls
   folded starts its code view on the same line as the model editor. */
.pg-panehead { display: flex; flex: none; align-items: center; gap: 8px; height: var(--pg-head); padding: 0 12px;
  border-bottom: 1px solid var(--border); color: var(--muted); font-size: 0.75rem; }
.pg-panehead b { color: var(--fg); }
.pg-editor { flex: 1; min-height: 0; overflow: hidden; background: var(--code-bg); }
.pg-status, .pg-rstatus { display: flex; flex-wrap: wrap; gap: 4px 14px; padding: 5px 12px;
  border-top: 1px solid var(--border); color: var(--muted); font-size: 0.75rem; }
/* A request runs in the Worker: the ring turns, and the page stays usable. */
.pg-busy { color: var(--fg); }
.pg-spinner { display: inline-block; width: 0.75em; height: 0.75em; margin-right: 5px; vertical-align: -0.1em;
  border: 2px solid var(--accent); border-right-color: transparent; border-radius: 50%;
  animation: pg-spin 0.9s linear infinite; }
@keyframes pg-spin { to { transform: rotate(360deg); } }
@keyframes pg-fade { 50% { opacity: 0.3; } }
@media (prefers-reduced-motion: reduce) {
  .pg-spinner { border-right-color: var(--accent); animation: pg-fade 2s ease-in-out infinite; }
}
.pg-err { color: var(--err); font-weight: 700; }
.pg-ok { color: var(--ok); font-weight: 700; }
.pg-tabs { display: flex; flex: none; align-items: center; gap: 6px; height: var(--pg-head); padding: 0 10px;
  border-bottom: 1px solid var(--border); overflow-x: auto; }
.pg-tablist { display: flex; gap: 2px; align-self: stretch; }
.pg-tab { padding: 0 14px; border: 0; border-bottom: 2px solid transparent; background: none; color: var(--muted);
  font: inherit; font-weight: 700; white-space: nowrap; cursor: pointer; }
.pg-tabs .pg-btn { padding: 3px 9px; font-size: 0.8125rem; white-space: nowrap; }
.pg-fold { padding: 3px 8px; border: 1px solid var(--border); border-radius: 7px; background: none; color: var(--muted);
  font: inherit; font-size: 0.75rem; white-space: nowrap; cursor: pointer; }
.pg-fold[aria-expanded="false"] { color: var(--fg); }
.pg-rstatus { flex: none; }
.pg-stale-tag { color: var(--warn); font-weight: 700; }
/* Folded controls: the code view follows the tab row. With no output, the notices stay. */
.pg-folded > .pg-rowctl, .pg-folded > .pg-cli, .pg-folded > .pg-notices, .pg-folded > .pg-warnings-slot,
.pg-folded > .pg-files, .pg-folded > .pg-notes, .pg-folded > .pg-logslot, .pg-folded > .pg-hintslot,
.pg-folded > .pg-trnotices { display: none; }
.pg-folded-empty > .pg-notices { display: block; }
.pg-folded > .pg-outwrap, .pg-folded > .pg-txwrap { border-top: 0; }
.pg-folded > .pg-txwrap { flex-basis: 50%; }
.pg-tab-on { color: var(--fg); border-bottom-color: var(--accent); }
.pg-count { margin-left: 4px; padding: 1px 6px; border-radius: 99px; background: var(--err-soft); color: var(--err);
  font-size: 0.6875rem; }
.pg-panel { flex: 1; min-height: 0; overflow: auto; }
.pg-diag { display: flex; gap: 10px; width: 100%; padding: 10px 14px; border: 0; border-bottom: 1px solid var(--border);
  background: none; color: var(--fg); font: inherit; text-align: left; }
.pg-diag-go .pg-diag-main { cursor: pointer; }
.pg-diag-go:hover, .pg-diag-go:focus-within { background: var(--soft); }
.pg-sevcol { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; }
.pg-repeat { padding: 1px 6px; border-radius: 99px; background: var(--soft); color: var(--muted); font-size: 0.6875rem;
  font-weight: 700; }
.pg-diag-text { flex: 1; }
.pg-ref { padding: 0 3px; border-radius: 4px; background: var(--soft); color: var(--accent); font-family: var(--mono);
  font-size: 0.875em; overflow-wrap: anywhere; }
.pg-repeats { margin-top: 6px; font-size: 0.8125rem; }
.pg-repeats summary { color: var(--muted); cursor: pointer; }
.pg-repeat-list { margin: 6px 0 0; padding-left: 18px; }
.pg-repeat-list li { margin: 2px 0; }
/* Go moves the cursor from the keyboard; the mouse can click anywhere on the row. */
.pg-go { align-self: flex-start; padding: 2px 8px; border: 1px solid var(--border); border-radius: 6px; background: none;
  color: var(--muted); font: inherit; font-size: 0.75rem; cursor: pointer; opacity: 0; }
.pg-diag-go:hover .pg-go, .pg-go:focus-visible { opacity: 1; }
.pg-listbar { display: flex; align-items: center; gap: 8px; padding: 8px 14px; border-bottom: 1px solid var(--border); }
.pg-toggle[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.pg-sev { height: fit-content; padding: 2px 7px; border-radius: 5px; background: var(--soft); color: var(--accent);
  font-size: 0.6875rem; font-weight: 800; }
.pg-sev-error, .pg-sev-danger { background: var(--err-soft); color: var(--err); }
.pg-sev-warning { background: var(--warn-soft); color: var(--warn); }
.pg-diag-text { min-width: 0; overflow-wrap: anywhere; }
.pg-loc { color: var(--muted); font-family: var(--mono); font-size: 0.75rem; }
.pg-code { color: var(--accent); }
.pg-empty { padding: 0 16px; color: var(--muted); }
.pg-okbox, .pg-notice, .pg-trnotice { margin: 14px; padding: 12px 14px; border-radius: 8px; }
.pg-okbox { background: var(--ok-soft); color: var(--ok); font-weight: 700; }
.pg-notice, .pg-trnotice { background: var(--err-soft); color: var(--err); }
.pg-notice p, .pg-trnotice p { margin: 0; }
.pg-detail { display: block; margin-top: 6px; font-size: 0.75rem; overflow-wrap: anywhere; }
.pg-diag-stale { opacity: 0.6; }
.pg-off, .pg-panel.pg-off, .pg-outwrap.pg-off { display: none; }
.pg-transform { display: flex; flex-direction: column; }
.pg-rowctl { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; padding: 10px 14px; }
.pg-selector-slot { display: contents; }
.pg-input { min-width: 0; flex: 1 1 10rem; padding: 5px 9px; border: 1px solid var(--border); border-radius: 7px;
  background: var(--surface); color: var(--fg); font-family: var(--mono); font-size: 0.8125rem; }
.pg-btn-primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); font-weight: 700; }
.pg-cli, .pg-trcli { margin: 0; padding: 0 14px 8px; font-family: var(--mono); overflow-wrap: anywhere; }
.pg-note, .pg-trnote { margin: 0; padding: 8px 14px 12px; }
.pg-notices .pg-empty, .pg-trnotices .pg-empty { margin: 0 0 8px; }
.pg-stale, .pg-trstale { margin: 0; padding: 4px 14px; color: var(--warn); font-size: 0.75rem; }
.pg-warnings, .pg-trwarnings { margin: 0 14px 8px; padding: 8px 12px; border-radius: 8px; background: var(--warn-soft); color: var(--warn);
  font-size: 0.75rem; }
.pg-warning, .pg-trwarning { font-family: var(--mono); overflow-wrap: anywhere; }
.pg-files { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 14px; }
.pg-files:not(:empty) { padding-bottom: 8px; }
.pg-file { padding: 3px 10px; border: 1px solid var(--border); border-radius: 99px; background: var(--surface); color: var(--muted);
  font: inherit; font-family: var(--mono); font-size: 0.75rem; cursor: pointer; }
.pg-file-on { color: var(--fg); border-color: var(--accent); }
.pg-outwrap { display: flex; flex-direction: column; flex: 1; min-height: 16rem; border-top: 1px solid var(--border); }
.pg-trpanel { display: flex; flex-direction: column; }
.pg-trpanel .pg-rowctl { padding: 8px 14px; }
.pg-trpanel .pg-logctl { padding-top: 0; }
.pg-checkbox { display: inline-flex; align-items: center; gap: 2px; }
.pg-dir { display: inline-flex; align-items: center; gap: 4px; }
.pg-input-short { flex: 0 1 7rem; width: 7rem; }
.pg-txwrap { display: flex; flex-direction: column; flex: 0 0 30%; min-height: 8rem; border-top: 1px solid var(--border); }
.pg-entries { flex: 1 1 0; min-height: 6rem; overflow: auto; border-top: 1px solid var(--border); }
.pg-entry { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 8px; padding: 8px 14px;
  border-bottom: 1px solid var(--border); }
.pg-entry-pending { opacity: 0.4; }
.pg-entry-n { padding-top: 2px; color: var(--muted); font-family: var(--mono); font-size: 0.75rem; }
.pg-entry-body { min-width: 0; }
.pg-entry-dir { color: var(--muted); font-size: 0.75rem; }
.pg-entry-dir b { color: var(--fg); }
.pg-entry-msg { font-family: var(--mono); font-size: 0.75rem; overflow-wrap: anywhere; }
.pg-okmark { margin-left: 6px; color: var(--ok); font-weight: 800; }
.pg-linkbtn { padding: 0; border: 0; background: none; color: var(--accent); font: inherit; text-decoration: underline;
  cursor: pointer; }
.pg-find { margin-top: 5px; padding: 5px 8px; border-radius: 6px; background: var(--err-soft); color: var(--err);
  font-size: 0.75rem; overflow-wrap: anywhere; }
.pg-find-adv { background: var(--warn-soft); color: var(--warn); }
.pg-find-code { font-weight: 800; }
.pg-find-at { margin-top: 2px; opacity: 0.8; font-family: var(--mono); font-size: 0.6875rem; }
.pg-entry-gap { padding: 6px 14px; border-bottom: 1px solid var(--border); color: var(--muted); font-size: 0.75rem;
  font-style: italic; text-align: center; }
.pg-textfinds { padding: 8px 14px; border-bottom: 1px solid var(--border); font-size: 0.75rem; }
.pg-sumslot:not(:empty) { border-top: 1px solid var(--border); }
.pg-verdict { margin: 0; padding: 8px 14px 0; }
.pg-summary { display: flex; flex-wrap: wrap; gap: 6px 8px; padding: 6px 14px 10px; }
.pg-stat { display: flex; align-items: baseline; gap: 6px; padding: 3px 10px; border: 1px solid var(--border);
  border-radius: 8px; }
.pg-stat b { font-size: 1rem; }
.pg-stat span { color: var(--muted); font-size: 0.75rem; }

/* Docs */
.ms-docs { display: grid; grid-template-columns: minmax(13rem, 17rem) minmax(0, 1fr) minmax(11rem, 15rem); gap: 2rem;
  width: min(100% - 2 * var(--gutter), var(--page-max)); margin: 0 auto; padding: 1.5rem 0 3rem; }
.ms-sidebar { position: sticky; top: calc(var(--nav-h) + 1rem); align-self: start; display: flex; flex-direction: column; gap: 2px; max-height: calc(100vh - var(--nav-h) - 2rem); overflow-y: auto; }
.ms-side-group { text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.75rem; color: var(--muted);
  margin: 0.9rem 0 0.25rem; }
.ms-side-link { color: var(--fg); padding: 0.25rem 0.5rem; border-radius: 0.4rem; }
.ms-side-current { background: var(--soft); color: var(--accent); font-weight: 700; }
.ms-article { min-width: 0; }
.ms-banner { background: var(--soft); border: 1px solid var(--accent-2); border-radius: 0.5rem; padding: 0.5rem 0.75rem;
  margin-bottom: 1rem; }
.ms-crumbs { color: var(--muted); font-size: 0.875rem; }
.ms-md h1 { font-size: clamp(1.75rem, 1.2rem + 1.5vw, 2.5rem); letter-spacing: -0.02em; }
.ms-md p, .ms-md li, .ms-md blockquote { max-width: 80ch; }
.ms-md h2 { margin-top: 2em; border-bottom: 1px solid var(--border); padding-bottom: 4px; }
.ms-md :not(pre) > code { background: var(--soft); padding: 1px 0.3rem; border-radius: 0.25rem; font-size: 0.9em; overflow-wrap: anywhere; }
.ms-md li > p { margin: 0.2em 0; }
.ms-md blockquote { border-left: 3px solid var(--accent-2); margin: 1em 0; padding: 0 1em; color: var(--muted); }
.ms-anchor { margin-left: 8px; opacity: 0; font-weight: 400; }
.ms-md h1:hover .ms-anchor, .ms-md h2:hover .ms-anchor, .ms-md h3:hover .ms-anchor { opacity: 0.6; }
.ms-table-wrap { overflow-x: auto; }
.ms-md table { border-collapse: collapse; margin: 1em 0; }
.ms-md th, .ms-md td { border: 1px solid var(--border); padding: 0.4rem 0.65rem; text-align: left; vertical-align: top; }
.ms-md th { background: var(--surface); }
.ms-prevnext { display: flex; justify-content: space-between; gap: 0.75rem; margin-top: 2.5rem; }
.ms-prev, .ms-next { border: 1px solid var(--border); border-radius: 0.5rem; padding: 0.65rem 0.9rem; }
.ms-example { width: min(100% - 2 * var(--gutter), 52rem); margin: 0 auto; padding: 2rem 0 3rem; min-width: 0; }
.ms-example .ms-ex { grid-template-columns: repeat(2, 1fr); margin-top: 1.5rem; }
.ms-example-files ul { padding-left: 1.1rem; }
.ms-example-files li { overflow-wrap: anywhere; }
.ms-example-links { margin-top: 1.5rem; font-size: 0.875rem; }
.ms-example-playground { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; margin: 1rem 0; }
.ms-example-playground .ms-hint { color: var(--muted); font-size: 0.875rem; }
.ms-edit { display: inline-block; margin-top: 1rem; font-size: 0.875rem; }
.ms-toc { position: sticky; top: calc(var(--nav-h) + 1rem); align-self: start; display: flex; flex-direction: column; gap: 4px;
  font-size: 0.875rem; max-height: calc(100vh - var(--nav-h) - 2rem); overflow-y: auto; }
.ms-toc-title { font-weight: 700; margin: 0 0 4px; }
.ms-toc-link { color: var(--muted); }
.ms-toc-l3 { padding-left: 12px; }
.ms-toc-mobile { display: none; margin: 12px 0; }
.ms-loading, .ms-error { color: var(--muted); }
.ms-notfound { max-width: 45rem; margin: 4rem auto; padding: 0 var(--gutter); text-align: center; }

/* Footer */
.ms-footer { display: flex; align-items: center; flex-wrap: wrap; gap: 0.5rem 1.25rem; padding: 1.5rem var(--edge);
  border-top: 1px solid var(--border); background: var(--surface); color: var(--muted); font-size: 0.875rem; }

.ms-footer-note { margin-left: auto; }

/* Search */
.ms-search-backdrop { position: fixed; inset: 0; background: rgba(15, 16, 20, 0.45); z-index: 40; }
.ms-search { position: fixed; z-index: 50; top: 10vh; left: 50%; transform: translateX(-50%);
  width: min(680px, calc(100vw - 32px)); background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3); overflow: hidden; }
.ms-search-input { width: 100%; border: 0; border-bottom: 1px solid var(--border); padding: 14px 16px;
  font: inherit; font-size: 16px; background: var(--surface); color: var(--fg); outline: none; }
.ms-search-results { max-height: 60vh; overflow-y: auto; }
.ms-search-group { margin: 0; padding: 8px 16px 2px; text-transform: uppercase; letter-spacing: 0.08em;
  font-size: 0.75rem; color: var(--muted); }
.ms-search-item { display: block; padding: 8px 16px; border-left: 3px solid transparent; color: var(--fg); }
.ms-search-item:hover { text-decoration: none; background: var(--soft); }
.ms-search-selected { background: var(--soft); border-left-color: var(--accent); }
.ms-search-title { display: block; font-weight: 700; }
.ms-search-excerpt { display: block; color: var(--muted); font-size: 0.8125rem; }
.ms-search-excerpt mark { background: var(--accent-2); color: #1e1b4b; border-radius: 3px; padding: 0 2px; }
.ms-search-note { padding: 16px; margin: 0; color: var(--muted); }
.ms-search-hint { display: flex; gap: 14px; padding: 8px 16px; border-top: 1px solid var(--border);
  color: var(--muted); font-size: 0.75rem; }
.ms-search-scope { margin-left: auto; }

.ms-sidebar-backdrop { display: none; }

/* Medium: sidebar and article, TOC folds into the article */
@media (max-width: 1399px) {
  .ms-docs { grid-template-columns: minmax(12rem, 13rem) minmax(0, 1fr); }
  .ms-toc { display: none; }
  .ms-toc-mobile { display: block; }
}

/* Phone */
@media (max-width: 899px) {
  /* Measured: the wrapped docs nav is 112px (7.43rem) at 390px. */
  :root { --nav-h: 7.5rem; }
  .ms-hero { grid-template-columns: 1fr; padding: 2rem 0; }
  .ms-play { grid-template-columns: 1fr; padding: 1.2rem; }
  .ms-paths { grid-template-columns: 1fr; }
  .ms-tiles, .ms-ex { grid-template-columns: 1fr 1fr; }
  .ms-footer-note { margin-left: 0; flex-basis: 100%; }
  .ms-nav { flex-wrap: wrap; gap: 8px 12px; }
  .ms-links { order: 9; flex: 1 0 100%; gap: 0.9rem; font-size: 0.8125rem; }
  .ms-search-btn span { display: none; }
  .ms-search-btn { min-width: 0; }
  .ms-menu { display: block; }
  .ms-docs { grid-template-columns: 1fr; padding: 1rem 0; }
  .ms-sidebar { display: none; }
  .ms-sidebar-open { display: flex; position: fixed; top: 0; left: 0; bottom: 0; width: 260px; z-index: 50;
    background: var(--surface); border-right: 1px solid var(--border); padding: 12px 16px; overflow-y: auto; align-content: flex-start; }
  .ms-sidebar-backdrop { display: block; position: fixed; inset: 0; z-index: 40; background: rgba(0, 0, 0, 0.4); }
}

/* Wide phone and tablet: the nav still wraps, but less. */
@media (min-width: 600px) and (max-width: 899px) {
  :root { --nav-h: 5.5rem; }
}

/* The playground panes stack. */
@media (max-width: 860px) {
  .pg-app { height: auto; }
  .pg-bench { grid-template-columns: minmax(0, 1fr); grid-template-rows: 55vh auto; }
  .pg-splitter, .pg-fold-hint { display: none; }
  .pg-results { min-height: 40vh; border-top: 1px solid var(--border); }
  .pg-outwrap { flex: none; height: 60vh; }
  .pg-txwrap { flex: none; height: 40vh; }
  .pg-entries { flex: none; max-height: 70vh; }
}

@media (max-width: 559px) {
  .ms-tiles, .ms-ex, .ms-example .ms-ex { grid-template-columns: 1fr; }
  .ms-mini { grid-template-columns: 1fr; }
  .ms-mini-r { border-left: 0; border-top: 1px solid #22262e; }
  .ms-section-head h2 { font-size: 1.5rem; }
}