:root {
  --midnight: #15263D;
  --porcelain: #F4F6F8;
  --glacier: #A8C5D8;
  --slate: #52677D;
  --mist: #E4ECF2;
  --white: #FFFFFF;
  --warn-bg: #FFF4E5;
  --warn-ink: #7A4100;
  --bad-bg: #FDECEC;
  --bad-ink: #8A1C1C;
  --ok-bg: #E7F4EC;
  --ok-ink: #1E5B36;
  --radius: 10px;
  --gap: 14px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--midnight);
  background: var(--porcelain);
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--porcelain); line-height: 1.45; }
h1 { font-size: 1.3rem; margin: 0 0 6px; }
h2 { font-size: 1.05rem; margin: 0 0 8px; }
h3 { font-size: .95rem; margin: 0 0 6px; }
p { margin: 0 0 8px; }
code, .mono { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: .82em; overflow-wrap: anywhere; }
.muted { color: var(--slate); }
.small { font-size: .85rem; }

.skip { position: absolute; left: -999px; top: 0; background: var(--midnight); color: var(--porcelain); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; }

.top {
  background: var(--midnight); color: var(--porcelain);
  display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 12px 16px;
}
.brand { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.wordmark { font-weight: 700; letter-spacing: .04em; font-size: 1.15rem; }
.badge { background: var(--glacier); color: var(--midnight); border-radius: 999px; padding: 2px 10px; font-size: .75rem; font-weight: 600; }
.session { display: flex; align-items: center; gap: 10px; font-size: .85rem; }

main { max-width: 1120px; margin: 0 auto; padding: 16px; }
main:focus { outline: none; }

.tabs { display: flex; gap: 4px; overflow-x: auto; border-bottom: 2px solid var(--mist); margin-bottom: 16px; }
.tabs [role=tab] {
  background: transparent; color: var(--slate); border: 0; border-bottom: 3px solid transparent;
  padding: 10px 14px; font-weight: 600; border-radius: 0; white-space: nowrap;
}
.tabs [role=tab][aria-selected=true] { color: var(--midnight); border-bottom-color: var(--midnight); }
@media (max-width: 480px) {
  .tabs { gap: 0; }
  .tabs [role=tab] { flex: 1 1 auto; padding: 10px 6px; }
}

.panel { background: var(--white); border: 1px solid var(--mist); border-radius: var(--radius); padding: 14px; }
.narrow { max-width: 460px; margin: 32px auto; }
.stack { display: flex; flex-direction: column; gap: 10px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; }
.row > label { flex: 1 1 160px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }

label { display: flex; flex-direction: column; gap: 4px; font-size: .85rem; font-weight: 600; color: var(--midnight); }
input, select, textarea {
  font: inherit; font-weight: 400; color: var(--midnight); background: var(--white);
  border: 1px solid var(--glacier); border-radius: 8px; padding: 8px 10px; min-height: 40px; width: 100%;
}
textarea { resize: vertical; min-height: 110px; }
fieldset { border: 1px solid var(--mist); border-radius: 8px; padding: 10px; margin: 0; }
legend { font-size: .85rem; font-weight: 600; padding: 0 4px; }
details summary { cursor: pointer; font-weight: 600; font-size: .9rem; padding: 4px 0; }

button {
  font: inherit; font-weight: 600; cursor: pointer; min-height: 40px;
  background: var(--midnight); color: var(--porcelain); border: 1px solid var(--midnight); border-radius: 8px; padding: 8px 14px;
}
button.ghost { background: transparent; color: inherit; border-color: var(--glacier); }
button.small-btn { min-height: 32px; padding: 4px 10px; font-size: .82rem; }
button.secondary { background: var(--mist); color: var(--midnight); border-color: var(--mist); }
button:disabled { opacity: .55; cursor: not-allowed; }

:focus-visible { outline: 3px solid var(--glacier); outline-offset: 2px; }
.top :focus-visible { outline-color: var(--porcelain); }
button:focus-visible, [role=tab]:focus-visible { outline: 3px solid var(--midnight); box-shadow: 0 0 0 5px var(--glacier); }

.announce:empty { display: none; }
.announce { max-width: 1120px; margin: 10px auto 0; padding: 0 16px; }
.note { border-radius: 8px; padding: 10px 12px; font-size: .9rem; border: 1px solid transparent; }
.note.ok { background: var(--ok-bg); color: var(--ok-ink); border-color: #BFE0CB; }
.note.warn { background: var(--warn-bg); color: var(--warn-ink); border-color: #F2D2A8; }
.note.bad { background: var(--bad-bg); color: var(--bad-ink); border-color: #F0C2C2; }
.note.info { background: var(--mist); color: var(--midnight); }

.grid3 { display: grid; gap: var(--gap); grid-template-columns: 1fr; }
.grid2 { display: grid; gap: var(--gap); grid-template-columns: 1fr; }
@media (min-width: 760px) {
  .grid3 { grid-template-columns: repeat(3, 1fr); }
  .grid2 { grid-template-columns: 1fr 1fr; }
}

.list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.item { background: var(--white); border: 1px solid var(--mist); border-radius: 8px; padding: 10px 12px; }
.item h3 { overflow-wrap: anywhere; }
.item .meta { color: var(--slate); font-size: .8rem; display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 6px; }
.item .actions { margin-top: 6px; }
.hero { background: var(--midnight); color: var(--porcelain); border-radius: var(--radius); padding: 14px; margin-bottom: var(--gap); }
.hero .label { color: var(--glacier); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 700; }
.hero h2 { font-size: 1.1rem; margin: 4px 0; overflow-wrap: anywhere; }
.hero .meta { color: var(--glacier); font-size: .85rem; }

.chip { display: inline-block; border-radius: 999px; padding: 1px 8px; font-size: .74rem; font-weight: 600; background: var(--mist); color: var(--midnight); }
.chip.accepted, .chip.current { background: var(--ok-bg); color: var(--ok-ink); }
.chip.proposed, .chip.stale, .chip.pending { background: var(--warn-bg); color: var(--warn-ink); }
.chip.superseded, .chip.historical { background: var(--mist); color: var(--slate); }
.chip.bad { background: var(--bad-bg); color: var(--bad-ink); }

.original {
  white-space: pre-wrap; overflow-wrap: anywhere; background: var(--porcelain); border: 1px solid var(--mist);
  border-radius: 8px; padding: 10px; margin: 0; font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: .85rem;
}
.card-box { border-left: 4px solid var(--glacier); padding-left: 12px; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 2px 10px; font-size: .82rem; margin: 6px 0; }
.kv dt { color: var(--slate); }
.kv dd { margin: 0; overflow-wrap: anywhere; }
.suggestion { border-style: dashed; }

/* One task per line, write boundary, carried saves, historical banner, adoption command, search */
label.check { flex-direction: row; align-items: flex-start; gap: 8px; font-weight: 600; }
label.check input[type=checkbox] { width: 20px; height: 20px; min-height: 0; margin: 2px 0 0; padding: 0; flex: 0 0 auto; accent-color: var(--midnight); }
.boundary { color: var(--midnight); background: var(--mist); border-radius: 8px; padding: 6px 10px; display: inline-block; }
.boundary:empty { display: none; }
.carry:empty { display: none; }
.carry { margin-bottom: 12px; }
.banner strong { display: block; font-size: .95rem; }
code.cmd {
  display: block; background: var(--midnight); color: var(--porcelain); border-radius: 8px; padding: 8px 10px;
  white-space: pre-wrap; overflow-wrap: anywhere; font-size: .82rem;
}
.row > input { flex: 2 1 200px; width: auto; min-width: 0; }
ol.list { counter-reset: none; }
.note .actions { margin-top: 6px; }
.note p:last-child { margin-bottom: 0; }
.section-title { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; margin: 18px 0 8px; }

@media (prefers-reduced-motion: no-preference) {
  button, .tabs [role=tab] { transition: background-color .15s ease, border-color .15s ease; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}