/* RFC 10008 adoption tracker — site styles.
   Generated site; edit tools/site/style.css, not docs/style.css. */

:root {
  color-scheme: light;
  --plane:   #f9f9f7;
  --surface: #fcfcfb;
  --raised:  #ffffff;
  --ink:     #0b0b0b;
  --ink-2:   #52514e;
  --muted:   #898781;
  --hair:    rgba(11, 11, 11, 0.10);
  --hair-2:  rgba(11, 11, 11, 0.06);
  --grid:    #e1e0d9;
  --accent:  #2a78d6;
  --accent-soft: rgba(42, 120, 214, 0.10);

  --st-yes:  #0ca30c;
  --st-wip:  #fab219;
  --st-no:   #d03b3b;
  --st-none: #898781;

  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;

  /* the two stacked sticky bars; table headers park below both */
  --bar-h: 48px;
  --ctl-h: 59px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --plane:   #0d0d0d;
    --surface: #1a1a19;
    --raised:  #201f1e;
    --ink:     #ffffff;
    --ink-2:   #c3c2b7;
    --muted:   #898781;
    --hair:    rgba(255, 255, 255, 0.10);
    --hair-2:  rgba(255, 255, 255, 0.06);
    --grid:    #2c2c2a;
    --accent:  #3987e5;
    --accent-soft: rgba(57, 135, 229, 0.14);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --plane:   #0d0d0d;
  --surface: #1a1a19;
  --raised:  #201f1e;
  --ink:     #ffffff;
  --ink-2:   #c3c2b7;
  --muted:   #898781;
  --hair:    rgba(255, 255, 255, 0.10);
  --hair-2:  rgba(255, 255, 255, 0.06);
  --grid:    #2c2c2a;
  --accent:  #3987e5;
  --accent-soft: rgba(57, 135, 229, 0.14);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--plane);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: var(--hair-2);
  padding: 0.1em 0.34em;
  border-radius: 3px;
}
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 3px; }

/* ---------- top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: color-mix(in srgb, var(--plane) 88%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--hair);
}
.topbar-inner {
  max-width: 1440px;
  margin: 0 auto;
  height: var(--bar-h);
  padding: 0 22px;
  display: flex;
  align-items: center;
  gap: 18px;
}
.brand {
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}
.brand span { color: var(--muted); font-weight: 400; }
.topnav { margin-left: auto; display: flex; gap: 4px; align-items: center; }
.topnav a {
  font-size: 13px;
  color: var(--ink-2);
  text-decoration: none;
  padding: 5px 10px;
  border-radius: 6px;
  white-space: nowrap;
}
.topnav a:hover { background: var(--hair-2); color: var(--ink); }
.topnav a[aria-current="page"] { background: var(--accent-soft); color: var(--accent); font-weight: 500; }

/* ---------- shell ---------- */
.wrap {
  max-width: 1440px;
  margin: 0 auto;
  padding: 34px 22px 80px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* ---------- masthead ---------- */
.masthead { display: flex; flex-direction: column; gap: 11px; }
.eyebrow {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 5px 14px;
}
h1 {
  margin: 0;
  font-size: clamp(27px, 3.6vw, 38px);
  font-weight: 600;
  letter-spacing: -0.021em;
  line-height: 1.1;
  text-wrap: balance;
}
.standfirst { margin: 0; max-width: 72ch; color: var(--ink-2); font-size: 16px; }
.standfirst strong { font-weight: 600; color: var(--ink); }
/* the README's own lead-in prose, carried through under the standfirst */
.masthead > p { margin: 0; }
.masthead > p:not(.standfirst) { max-width: 88ch; color: var(--muted); font-size: 13.5px; }
.masthead > p:not(.standfirst) strong { color: var(--ink-2); font-weight: 600; }

/* ---------- summary tiles (double as filters) ---------- */
.summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(158px, 1fr));
  gap: 10px;
}
.tile {
  appearance: none;
  text-align: left;
  font-family: inherit;
  background: var(--surface);
  border: 1px solid var(--hair);
  border-left: 3px solid var(--tile-accent, var(--grid));
  border-radius: 8px;
  padding: 12px 14px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 1px;
  transition: background .12s ease, border-color .12s ease;
}
.tile:hover { background: var(--raised); }
.tile[aria-pressed="true"] { background: var(--accent-soft); border-color: var(--accent); }
.tile .n {
  font-family: var(--mono);
  font-size: 25px;
  font-weight: 600;
  line-height: 1.15;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.tile .k { font-size: 12.5px; color: var(--ink-2); display: flex; align-items: center; gap: 6px; }
.tile .k .dot { width: 7px; height: 7px; border-radius: 50%; flex: none; background: var(--tile-accent, var(--grid)); }
.tile .sub { font-size: 11.5px; color: var(--muted); }
.tile.is-total { --tile-accent: var(--accent); }
.tile.is-yes   { --tile-accent: var(--st-yes); }
.tile.is-wip   { --tile-accent: var(--st-wip); }
.tile.is-no    { --tile-accent: var(--st-no); }

/* ---------- controls ---------- */
.controls {
  position: sticky;
  top: var(--bar-h);
  z-index: 20;
  background: color-mix(in srgb, var(--plane) 92%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  padding: 10px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  align-items: center;
  border-bottom: 1px solid var(--hair);
}
.search {
  flex: 1 1 260px;
  max-width: 420px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--hair);
  border-radius: 8px;
  padding: 0 11px;
}
.search:focus-within { border-color: var(--accent); }
.search svg { flex: none; opacity: 0.55; }
.search input {
  flex: 1;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font-family: inherit;
  font-size: 14px;
  padding: 8px 0;
  min-width: 0;
}
.search input::placeholder { color: var(--muted); }
.search button {
  border: 0; background: transparent; color: var(--muted);
  cursor: pointer; font-size: 17px; line-height: 1; padding: 2px 2px 4px;
}
.search button:hover { color: var(--ink); }
.result-count {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  margin-left: auto;
}
.reset {
  border: 1px solid var(--hair);
  background: var(--surface);
  color: var(--ink-2);
  font-family: inherit;
  font-size: 12.5px;
  padding: 6px 11px;
  border-radius: 7px;
  cursor: pointer;
}
.reset:hover { background: var(--raised); color: var(--ink); }

/* ---------- readme content ---------- */
.content { display: flex; flex-direction: column; gap: 30px; }
.section { display: flex; flex-direction: column; gap: 12px;
           scroll-margin-top: calc(var(--bar-h) + var(--ctl-h) + 14px); }
.section.is-empty { display: none; }
h2 {
  margin: 0;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.012em;
  display: flex;
  align-items: baseline;
  gap: 11px;
  flex-wrap: wrap;
}
h2 .count {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.section > p { margin: 0; max-width: 82ch; color: var(--ink-2); }
.section > ul { margin: 0; padding-left: 20px; color: var(--ink-2); display: flex; flex-direction: column; gap: 7px; }
.section > ul li { max-width: 84ch; }
hr { border: 0; border-top: 1px solid var(--hair); margin: 0; }

/* ---------- tables ---------- */
.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--hair);
  border-radius: 9px;
  background: var(--surface);
}
table { border-collapse: separate; border-spacing: 0; width: 100%; min-width: 940px; }
/* No sticky thead: .table-scroll is the sticky scrollport (overflow-x makes it one),
   so a sticky header would park against that box instead of the page and land on
   top of the first row. The horizontal .col-stack sticky below is against the same
   scrollport, which is exactly what it wants. */
thead th {
  background: var(--surface);
  text-align: left;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 10px 14px;
  border-bottom: 1px solid var(--hair);
  white-space: nowrap;
}
tbody td, tbody th {
  padding: 12px 14px;
  border-bottom: 1px solid var(--hair-2);
  vertical-align: top;
  font-size: 13.5px;
  color: var(--ink-2);
}
tbody th { text-align: left; font-weight: 500; color: var(--ink); }
tbody tr:last-child td, tbody tr:last-child th { border-bottom: 0; }
tbody tr:hover td, tbody tr:hover th { background: var(--hair-2); }
tbody tr.is-hidden { display: none; }

/* first column: the stack, pinned while the row scrolls sideways */
.col-stack {
  position: sticky;
  left: 0;
  z-index: 11;
  background: var(--surface);
  border-right: 1px solid var(--hair);
  width: 150px;
  min-width: 150px;
  color: var(--ink);
  font-weight: 500;
}
thead th.col-stack { z-index: 12; }
tbody tr:hover .col-stack { background: var(--raised); }
.col-stack a { color: var(--ink); text-decoration: none; }
.col-stack a:hover { color: var(--accent); text-decoration: underline; }

.col-num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums;
           white-space: nowrap; width: 78px; }
.col-days { font-family: var(--mono); font-size: 12.5px; width: 118px; }
.col-lang { white-space: nowrap; color: var(--muted); font-size: 12.5px; width: 92px; }
.col-links { width: 168px; font-size: 12.5px; }
.col-notes { line-height: 1.5; min-width: 300px; }
tbody strong { color: var(--ink); font-weight: 600; }

/* ---------- status chip ---------- */
.col-status { white-space: nowrap; width: 156px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink);
  background: var(--raised);
  border: 1px solid var(--hair);
  border-radius: 999px;
  padding: 3px 10px 3px 8px;
  line-height: 1.5;
}
.chip .dot { width: 8px; height: 8px; border-radius: 50%; flex: none; background: var(--chip-color, var(--grid)); }
.chip.st-yes  { --chip-color: var(--st-yes); }
.chip.st-wip  { --chip-color: var(--st-wip); }
.chip.st-no   { --chip-color: var(--st-no); }
.chip.st-none { --chip-color: var(--st-none); }

/* ---------- empty state ---------- */
.empty {
  display: none;
  padding: 46px 20px;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--hair);
  border-radius: 9px;
}
.empty.on { display: block; }

/* ---------- callout ---------- */
.callout {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  background: var(--surface);
  border: 1px solid var(--hair);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 14px 16px;
}
.callout p { margin: 0; color: var(--ink-2); font-size: 14px; max-width: 74ch; }
.callout .go {
  margin-left: auto;
  font-size: 13.5px;
  font-weight: 500;
  white-space: nowrap;
  text-decoration: none;
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 7px;
  padding: 6px 13px;
}
.callout .go:hover { background: var(--accent-soft); }

/* ---------- footer ---------- */
footer {
  border-top: 1px solid var(--hair);
  padding-top: 18px;
  color: var(--muted);
  font-size: 12.5px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

@media (max-width: 720px) {
  .wrap { padding: 24px 14px 60px; }
  .result-count { margin-left: 0; width: 100%; }
  .col-stack { position: static; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}