:root {
  --bg: #faf9f5;
  --surface: #ffffff;
  --surface-2: #f5f3ec;
  --ink: #141413;
  --muted: #6b6a63;
  --line: #e8e6dc;
  --accent: #d97757;
  --accent-ink: #b5502f;
  --accent-soft: #fbece5;
  --up: #1f7a45;
  --down: #b3382c;
  --shadow: 0 1px 2px rgba(20, 20, 19, 0.04), 0 6px 20px rgba(20, 20, 19, 0.05);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1a18;
    --surface: #262522;
    --surface-2: #2f2d29;
    --ink: #f3f1ea;
    --muted: #a9a79d;
    --line: #3a3834;
    --accent: #e08a6b;
    --accent-ink: #f0a98f;
    --accent-soft: #3a2a23;
    --up: #5cc487;
    --down: #ef7d70;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 6px 20px rgba(0, 0, 0, 0.25);
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
main { max-width: 1120px; margin: 0 auto; padding: 2.5rem 1.25rem 3rem; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; letter-spacing: -0.01em; }

/* header */
.masthead { display: flex; align-items: center; gap: 0.9rem; flex-wrap: wrap; }
.brand-mark { width: 2.4rem; height: 2.4rem; color: var(--accent); flex: none; }
h1 { font-size: 2.6rem; line-height: 1.1; margin: 0; }
.lede { margin: 0.6rem 0 0; color: var(--muted); max-width: 40rem; font-size: 1.02rem; }
.powered {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.9rem;
  padding: 0.25rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 99px;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.82rem;
}
.powered svg { width: 0.95rem; height: 0.95rem; color: var(--accent); }
.powered b { color: var(--ink); font-weight: 600; }

/* tabs */
.tabs { display: flex; gap: 0.25rem; margin: 1.6rem 0 1.2rem; border-bottom: 1px solid var(--line); }
.tabs button {
  font: inherit;
  font-weight: 500;
  color: var(--muted);
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  padding: 0.55rem 0.9rem;
  cursor: pointer;
}
.tabs button:hover { color: var(--ink); }
.tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

/* layout */
#sheet { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; align-items: start; }
#board { display: contents; }
#board[hidden], #ask[hidden] { display: none !important; }
.stamp { order: 1; grid-column: 1 / -1; margin: 0; font-family: var(--mono); font-size: 0.8rem; color: var(--muted); letter-spacing: 0.02em; }
.pin { order: 2; grid-column: 1 / -1; }
#ask { order: 3; grid-column: 1 / -1; min-width: 0; }
.note { order: 4; }
.standings:not(.teams) { grid-row: span 2; align-self: stretch; }
#board > .note:not(.standings):not(.results) ol { max-height: 27rem; overflow-y: auto; padding-right: 0.4rem; }
.results { grid-column: 1 / -1; }

/* cards */
.pin, .note, .sketch {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 1.15rem 1.3rem 1.3rem;
}
.note h2, .rules h2 { font-size: 1.3rem; margin: 0 0 0.7rem; }
.kicker { margin: 0; letter-spacing: 0.09em; text-transform: uppercase; font-size: 0.72rem; font-weight: 600; color: var(--muted); }
.note ol { list-style: none; padding: 0; margin: 0; }
.note li { padding: 0.45rem 0; border-bottom: 1px solid var(--line); }
.note li:last-child { border-bottom: 0; }

/* next round hero */
.pin[data-next-round] { border-left: 4px solid var(--accent); }
.pin h2 { font-size: 2rem; margin: 0.2rem 0 0.3rem; }
.pin p { margin: 0.2rem 0; }
#board .pin > p:not(.kicker):not(.pending) { color: var(--muted); }
.sessions { list-style: none; margin: 0.6rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.35rem 1.2rem; font-size: 0.92rem; }
.sessions li span { color: var(--muted); margin-right: 0.3rem; }
.sessions time { font-variant-numeric: tabular-nums; }
.add-calendar { margin-top: 0.7rem; font-size: 0.9rem; }
.pending { margin: 0.7rem 0 0 !important; padding-top: 0.6rem; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.92rem; }

/* standings */
.standings .kicker { margin: -0.4rem 0 0.4rem; }
.standings li {
  display: grid;
  grid-template-columns: 1.8rem 1fr 3.4rem 3.2rem 2.8rem 4.4rem;
  gap: 0 0.6rem;
  align-items: center;
  border-radius: 8px;
  padding: 0.4rem 0.5rem;
}
.standings.teams li { grid-template-columns: 1.8rem 1fr 3.4rem 3.2rem 4.4rem; }
.standings li:not(.head):hover { background: var(--surface-2); }
.standings li.head + li { background: var(--accent-soft); }
.standings li.head + li .pos { color: var(--accent-ink); }
.standings .head { font-size: 0.7rem; letter-spacing: 0.09em; text-transform: uppercase; color: var(--muted); border-bottom: 1px solid var(--line); border-radius: 0; }
.standings .pos, .standings .pts, .standings .gap, .standings .gain, .standings .wins { font-variant-numeric: tabular-nums; }
.standings .pos { font-weight: 600; color: var(--muted); }
.standings .pts { text-align: right; font-weight: 600; }
.standings .gap, .standings .gain, .standings .wins { text-align: right; color: var(--muted); font-size: 0.9rem; }
.standings .who { min-width: 0; overflow-wrap: anywhere; font-weight: 500; }
.standings small { font-size: 0.85rem; font-weight: 400; color: var(--muted); white-space: nowrap; margin-left: 0.3rem; }
.chip { display: inline-block; width: 0.7rem; height: 0.7rem; border-radius: 99px; vertical-align: -0.05rem; box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.18); }
.move { margin-left: 0.4rem; font-size: 0.72rem; font-variant-numeric: tabular-nums; }
.move.up { color: var(--up); }
.move.down { color: var(--down); }

/* schedule */
#board > .note:not(.standings):not(.results) li { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0 0.5rem; }
#board > .note:not(.standings):not(.results) li b { order: -1; min-width: 2.2rem; color: var(--accent-ink); font-variant-numeric: tabular-nums; }
#board > .note:not(.standings):not(.results) li > span { order: 5; flex-basis: 100%; padding-left: 2.7rem; color: var(--muted); font-size: 0.85rem; }
#board > .note:not(.standings):not(.results) li > time { order: 1; margin-left: auto; color: var(--muted); font-size: 0.9rem; white-space: nowrap; }
#board > .note:not(.standings):not(.results) li > i { order: 2; }
.ran { font-style: normal; color: var(--muted); font-size: 0.82rem; }

/* sprint tag */
.sticker {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent-ink);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  border-radius: 99px;
  padding: 0 0.55rem;
  font-style: normal;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

/* results */
.round { border-bottom: 1px solid var(--line); padding: 0.55rem 0; }
.round:last-child { border-bottom: 0; }
.round summary { cursor: pointer; font-weight: 500; }
.round[open] summary { margin-bottom: 0.4rem; }
.slip { background: var(--surface-2); border-radius: 10px; margin: 0.5rem 0 0.3rem; padding: 0.5rem 1rem 0.7rem; }
.slip h3 { font-size: 1.05rem; margin: 0.3rem 0 0.4rem; }
.slip li { font-variant-numeric: tabular-nums; }
.slip li > span { color: var(--muted); }

/* ask the garage */
#ask { border-top: 3px solid var(--accent); }
#ask .kicker { display: flex; align-items: center; gap: 0.4rem; color: var(--accent-ink); }
#ask .kicker svg { width: 1rem; height: 1rem; }
#ask p { margin: 0.4rem 0; }
#ask label { display: block; margin-top: 0.9rem; font-size: 0.82rem; font-weight: 600; color: var(--muted); }
#ask input {
  width: 100%;
  font: inherit;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  padding: 0.65rem 0.8rem;
}
#ask input:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: var(--accent); }
button, .retry {
  font: inherit;
  font-weight: 500;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.45rem 0.95rem;
  cursor: pointer;
}
button:hover { background: var(--surface-2); }
#sign-in, #ask-send { background: var(--accent); border-color: var(--accent); color: #fff; }
#sign-in:hover, #ask-send:hover { background: var(--accent-ink); border-color: var(--accent-ink); }
.tabs button { border-radius: 0; border: 0; border-bottom: 2px solid transparent; background: none; }
.tabs button:hover { background: none; }
.tabs button[aria-selected="true"] { border-bottom-color: var(--accent); }
.ask-actions { display: flex; gap: 0.5rem; margin-top: 0.7rem; align-items: center; flex-wrap: wrap; }
#thread { max-height: 32rem; overflow-y: auto; display: flex; flex-direction: column; gap: 0.5rem; }
.ask-line { margin: 0; padding: 0.6rem 0.9rem; border-radius: 12px; max-width: 85%; overflow-wrap: break-word; }
.ask-line.user { align-self: flex-end; background: var(--accent-soft); border-bottom-right-radius: 4px; }
.ask-line.garage { align-self: flex-start; background: var(--surface-2); border-bottom-left-radius: 4px; }
.waiting { color: var(--muted); align-self: flex-start; font-style: italic; }
.error { color: var(--down); align-self: flex-start; }
.fine { color: var(--muted); font-size: 0.88rem; }
#who:not(:empty)::before { content: "· "; letter-spacing: 0; text-transform: none; }
.retry { margin-top: 0.7rem; }

/* how it works */
#how { display: grid; gap: 1.25rem; }
#how[hidden] { display: none; }
#how > .stamp { grid-column: auto; }
.flow {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
  align-items: stretch;
}
.flow li:not(.arrow) {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 0.9rem 1rem 1.1rem;
}
.flow strong { display: block; font-family: var(--serif); font-size: 1.35rem; font-weight: 500; margin: 0.2rem 0; }
.flow p, .slips { margin: 0.2rem 0 0; color: var(--muted); font-size: 0.92rem; }
.slips { list-style: none; padding: 0; }
.slips li { border-bottom: 1px solid var(--line); padding: 0.15rem 0; }
.arrow { align-self: center; font-size: 1.3rem; color: var(--accent); }
.mono { font-family: var(--mono); font-size: 0.88em; }
.mini { display: grid; gap: 0.5rem; margin-top: 0.7rem; }
.pin-mini, .mini-cols p, .mini-results { background: var(--surface-2); border-radius: 10px; margin: 0; padding: 0.55rem 0.8rem; }
.mini-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }
.mini-cols span, .mini-results .ran { display: block; color: var(--muted); font-size: 0.9rem; }
.mini-results .slip { background: var(--surface); }
.rules ol { list-style: decimal; padding-left: 1.3rem; }
.rules li { border-bottom: 0; padding: 0.25rem 0; }

footer { margin-top: 2.2rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.82rem; display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
footer svg { width: 0.9rem; height: 0.9rem; color: var(--accent); }

@media (max-width: 800px) {
  main { padding: 1.5rem 1rem 2rem; }
  h1 { font-size: 2rem; }
  #sheet, .mini-cols { grid-template-columns: 1fr; }
  .standings:not(.teams) { grid-row: auto; }
  #board > .note:not(.standings):not(.results) ol { max-height: none; }
  .flow { grid-template-columns: 1fr; }
  .arrow { transform: rotate(90deg); justify-self: center; }
  .standings .unit { display: none; }
  .standings li { grid-template-columns: 1.4rem 1fr 2.4rem 2.8rem 2.2rem 1.6rem; gap: 0 0.35rem; font-size: 0.93rem; padding: 0.4rem 0.3rem; }
  .standings.teams li { grid-template-columns: 1.4rem 1fr 2.4rem 2.8rem 1.6rem; }
  .standings small { display: block; margin-left: 0; }
  .pin h2 { font-size: 1.5rem; }
  .ask-line { max-width: 95%; }
}

/* architecture diagram */
.arch-note { order: 0; overflow-x: auto; }
.arch { min-width: 720px; }
.arch svg { width: 100%; height: auto; color: var(--muted); display: block; }
.arch .b rect { fill: var(--surface-2); stroke: var(--line); stroke-width: 1.2; }
.arch .b.lam rect { stroke: var(--accent); fill: var(--accent-soft); }
.arch .b.data rect { stroke: var(--ink); stroke-opacity: 0.35; }
.arch .b.ext rect { stroke-dasharray: 4 3; fill: var(--surface); }
.arch .b.idle rect { stroke-dasharray: 4 3; fill: var(--surface); }
.arch .grp { fill: none; stroke: var(--line); stroke-width: 1.2; stroke-dasharray: 6 4; }
.arch text { text-anchor: middle; fill: var(--ink); font-family: var(--sans); }
.arch .t1 { font-weight: 600; }
.arch .t2 { font-size: 10.5px; fill: var(--muted); }
.arch .t3 { text-anchor: start; font-size: 12px; fill: var(--muted); }
.arch .b.idle .t1, .arch .b.idle .t2 { fill: var(--muted); }
.arch .a { stroke: currentColor; stroke-width: 1.4; fill: none; }
.arch .a.dash { stroke-dasharray: 5 4; }
.legend { list-style: none; display: flex; gap: 1.2rem; flex-wrap: wrap; padding: 0; margin: 0.6rem 0 0.4rem; color: var(--muted); font-size: 0.85rem; }
.legend .k { display: inline-block; width: 0.9rem; height: 0.9rem; border: 1.2px solid var(--line); border-radius: 4px; background: var(--surface-2); vertical-align: -0.12rem; margin-right: 0.4rem; }
.legend .k.lam { border-color: var(--accent); background: var(--accent-soft); }
.legend .k.data { border-color: var(--muted); }
.legend .k.ext, .legend .k.idle { border-style: dashed; background: var(--surface); }
.note .legend li { border: 0; padding: 0; }

/* formatted answers */
.ask-line.garage { max-width: 100%; }
.ask-line > :first-child { margin-top: 0; }
.ask-line > :last-child { margin-bottom: 0; }
.ask-line p { margin: 0.5rem 0; }
.ask-line ul, .ask-line ol { margin: 0.5rem 0; padding-left: 1.4rem; }
.ask-line li { margin: 0.15rem 0; }
.ask-line a { color: var(--accent-ink); text-decoration: underline; text-underline-offset: 2px; }
.ask-line code { font-family: var(--mono); font-size: 0.88em; background: var(--surface); padding: 0.05rem 0.3rem; border-radius: 4px; }
.md-table { overflow-x: auto; margin: 0.6rem 0; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
.md-table table { border-collapse: collapse; width: 100%; font-size: 0.92rem; font-variant-numeric: tabular-nums; }
.md-table th { text-align: left; font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.md-table th, .md-table td { padding: 0.45rem 0.75rem; border-bottom: 1px solid var(--line); white-space: nowrap; }
.md-table tr:last-child td { border-bottom: 0; }
.md-table tbody tr:first-child td { font-weight: 500; }

/* race recap */
.recap { border-left: 4px solid var(--line); }
.recap > p:not(.kicker) { margin: 0.5rem 0 0; font-size: 1.02rem; line-height: 1.6; color: var(--ink); }
.ai-tag { margin-left: 0.5rem; padding: 0.05rem 0.55rem; border: 1px solid var(--line); border-radius: 99px; background: var(--surface-2); color: var(--muted); font-size: 0.68rem; letter-spacing: 0.04em; text-transform: none; font-weight: 500; white-space: nowrap; }

/* numeric columns read better right-aligned */
.md-table .num { text-align: right; }

/* access request and admin panel */
#access { margin-top: 0.4rem; }
#access p { margin: 0.4rem 0; }
#admin { margin-top: 1.25rem; }
#admin .admin-gap { margin-top: 1.4rem; padding-top: 1rem; border-top: 1px solid var(--line); }
#admin-list { list-style: none; margin: 0.5rem 0; padding: 0; }
.admin-row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; padding: 0.5rem 0; border-bottom: 1px solid var(--line); }
.admin-who { flex: 1 1 14rem; overflow-wrap: anywhere; }
.admin-status { font-style: normal; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; padding: 0.05rem 0.55rem; border: 1px solid var(--line); border-radius: 99px; color: var(--muted); }
.admin-status.pending { color: var(--accent-ink); border-color: var(--accent); background: var(--accent-soft); }
.admin-status.approved { color: var(--up); }
.admin-status.denied { color: var(--down); }
.admin-empty { padding: 0.4rem 0; }
#admin-add input { flex: 1 1 16rem; width: auto; }

.link-host { color: var(--muted); font-size: 0.85em; }