/* Layout: a pick board for one player against the Model and six bots. A navy masthead band, a 3-number race
   summary, then three views (this week's board, standings with a race chart, week-by-week results grid).
   UVA orange = you, model blue = the Model, gray = the other bots. */
:root {
  --bg: #eef1f6;
  --panel: #ffffff;
  --band: #18213a;
  --band-ink: #f4f6fb;
  --ink: #18213a;
  --muted: #59647d;
  --faint: #8d96aa;
  --line: #d9dee8;
  --soft: #f5f7fa;
  --you: #d4600a;
  --you-soft: #fbe9dc;
  --model: #2f6bcb;
  --model-soft: #e2ebfa;
  --friend: #b4bccb;
  --good: #1d7a45;
  --good-soft: #dcf1e4;
  --bad: #b8352a;
  --bad-soft: #f8e1de;
  --display: "Big Shoulders Display", "Arial Narrow", Impact, sans-serif;
  --body: "Public Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1322; --panel: #141b2e; --band: #0a0f1c; --band-ink: #eef1f8; --ink: #e8ecf5; --muted: #a0a9bf;
    --faint: #6e7891; --line: #263049; --soft: #1a2238; --you: #de6e1e; --you-soft: #3a2414; --model: #4f86e0;
    --model-soft: #18284a; --friend: #4a5470; --good: #4cb87e; --good-soft: #15301f; --bad: #f0766c; --bad-soft: #3a1c1a;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0d1322; --panel: #141b2e; --band: #0a0f1c; --band-ink: #eef1f8; --ink: #e8ecf5; --muted: #a0a9bf;
  --faint: #6e7891; --line: #263049; --soft: #1a2238; --you: #de6e1e; --you-soft: #3a2414; --model: #4f86e0;
  --model-soft: #18284a; --friend: #4a5470; --good: #4cb87e; --good-soft: #15301f; --bad: #f0766c; --bad-soft: #3a1c1a;
  color-scheme: dark;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--body); font-size: 15px; line-height: 1.45; }
button, input { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--you); outline-offset: 2px; }
.wrap { max-width: 1040px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

/* Masthead band */
.band { background: var(--band); color: var(--band-ink); }
.band .wrap { padding-block: 22px 18px; display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 8px 24px; }
.mark { margin: 0; font-family: var(--display); font-weight: 900; font-size: clamp(44px, 9vw, 72px); line-height: .9; letter-spacing: .01em; text-transform: uppercase; text-wrap: balance; }
.mark span { color: var(--you); }
.band p { margin: 0; color: color-mix(in srgb, var(--band-ink) 72%, transparent); font-weight: 500; }
.band .season { font-family: var(--display); font-weight: 700; font-size: 22px; letter-spacing: .06em; text-transform: uppercase; color: var(--band-ink); }

/* Unlock bar: view-only until the passphrase is entered on this device. */
.unlock { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; padding-block: 10px; color: var(--muted); font-size: 13.5px; border-bottom: 1px solid var(--line); }
.unlock form { display: flex; flex-wrap: wrap; gap: 6px; }
.unlock input { min-height: 40px; padding: 0 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); width: 200px; max-width: 100%; }
.unlock .err { color: var(--bad); font-weight: 600; }
.unlock b { color: var(--ink); font-weight: 600; }
.btn { border: 1px solid var(--line); background: var(--panel); border-radius: 8px; padding: 0 12px; min-height: 40px; cursor: pointer; font-weight: 600; font-size: 14px; }
.btn:hover { border-color: var(--ink); }
.btn.link { border: 0; background: none; padding: 0 4px; min-height: 0; color: var(--muted); text-decoration: underline; }

/* Race summary */
.race { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; padding-block: 18px 4px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; min-width: 0; }
.stat .k { margin: 0; font-family: var(--display); font-weight: 700; font-size: 15px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.stat .v { margin: 2px 0 0; font-family: var(--display); font-weight: 800; font-size: 30px; line-height: 1.05; }
.stat .s { margin: 2px 0 0; color: var(--muted); font-size: 13.5px; }
.stat.you { border-color: var(--you); box-shadow: inset 4px 0 0 var(--you); }
.stat.you .v { color: var(--you); }
.stat.model .v { color: var(--model); }
@media (max-width: 620px) {
  .race { grid-template-columns: 1fr 1fr; }
  .race .lead { grid-column: 1 / -1; }
}

/* Views */
/* The baseline is an inset shadow, not a border: overflow-x: auto makes overflow-y auto too, and tabs pulled
   down over a border (margin-bottom: -2px) overflowed it, so the bar scrolled up and down on phones. */
.tabs { display: flex; gap: 4px; padding-block: 18px 0; box-shadow: inset 0 -2px 0 var(--line); overflow-x: auto; overflow-y: hidden; }
.tabs a {
  padding: 10px 14px; text-decoration: none; color: var(--muted); white-space: nowrap; border-bottom: 3px solid transparent;
  font-family: var(--display); font-weight: 800; font-size: 20px; letter-spacing: .05em; text-transform: uppercase;
}
.tabs a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--you); }
.tabs a:hover { color: var(--ink); }
main { padding-block: 18px 32px; }
.view-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 6px 16px; margin-bottom: 12px; }
.view-head h2 { margin: 0; font-family: var(--display); font-weight: 800; font-size: 30px; text-transform: uppercase; letter-spacing: .02em; }
.view-head p { margin: 0; color: var(--muted); }
.note { color: var(--muted); font-size: 13.5px; max-width: 72ch; }
.note b { color: var(--ink); font-weight: 600; }
.empty { background: var(--panel); border: 1px dashed var(--line); border-radius: var(--radius); padding: 18px; color: var(--muted); }
.empty b { color: var(--ink); }

/* Board */
.filters { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0 14px; }
.filters button { min-height: 36px; padding: 0 12px; border: 1px solid var(--line); background: var(--panel); border-radius: 999px; cursor: pointer; font-weight: 600; font-size: 13.5px; }
.filters button[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.filters button span { font-family: var(--mono); font-weight: 500; opacity: .75; margin-left: 4px; }
.day { margin: 18px 0 8px; font-family: var(--display); font-weight: 800; font-size: 19px; letter-spacing: .05em; text-transform: uppercase; color: var(--muted); }
.day:first-of-type { margin-top: 0; }
.sheet { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 440px), 1fr)); gap: 10px; }
.game { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 12px; display: grid; gap: 8px; align-content: start; }
.game-top { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font-size: 13px; }
.tags { display: flex; align-items: center; gap: 8px; }
/* cfb-picks' Best Bet: model blue, since it's the Model's own pick. */
.bb { font-family: var(--display); font-weight: 700; letter-spacing: .06em; text-transform: uppercase; font-size: 12.5px; color: var(--model); background: var(--model-soft); border-radius: 4px; padding: 1px 6px; }
.state { font-family: var(--display); font-weight: 700; letter-spacing: .06em; text-transform: uppercase; font-size: 14px; }
.state.locked { color: var(--muted); }
.state.picked { color: var(--you); }
.state.win { color: var(--good); }
.state.loss { color: var(--bad); }
.sides { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.side {
  display: flex; justify-content: space-between; align-items: center; gap: 8px; min-height: 52px; padding: 6px 10px; text-align: left;
  border: 2px solid var(--line); border-radius: 8px; background: var(--soft); cursor: pointer; min-width: 0;
}
.side .team { font-weight: 700; font-size: 15.5px; min-width: 0; overflow-wrap: anywhere; }
.side .team .ap { font-family: var(--mono); font-weight: 600; font-size: 13px; color: var(--muted); }
.side .team small { display: block; font-weight: 500; font-size: 12px; color: var(--muted); }
.side .ln { font-family: var(--mono); font-weight: 600; font-size: 15.5px; white-space: nowrap; }
.side .pts { font-family: var(--mono); font-weight: 600; font-size: 15.5px; color: var(--muted); margin-right: 6px; }
.side:hover:not(:disabled) { border-color: var(--you); }
.side[aria-pressed="true"] { border-color: var(--you); background: var(--you-soft); }
.side:disabled { cursor: default; }
.game.locked .side:not([aria-pressed="true"]) { background: var(--panel); }
.side.saving { opacity: .6; }
.who { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.who div { display: flex; flex-wrap: wrap; gap: 4px; align-content: start; }
.game-foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 16px; font-size: 13px; color: var(--muted); border-top: 1px dashed var(--line); padding-top: 7px; }
.game-foot b { color: var(--ink); font-weight: 600; }
.game-foot a { color: inherit; }
.game-foot .research { flex-basis: 100%; }
.game-foot .err { color: var(--bad); font-weight: 600; }
.verdict { font-weight: 600; }
.verdict.agree { color: var(--model); }
.verdict.fade { color: var(--you); }
.noline { margin-top: 22px; }
.noline summary { cursor: pointer; font-weight: 600; color: var(--muted); min-height: 40px; display: flex; align-items: center; }
.noline ul { margin: 6px 0 0; padding-left: 18px; color: var(--muted); font-size: 13.5px; columns: 2 260px; }

/* Player chips (initials) keep each person's identity color, the same as the chart. */
.chip { display: inline-flex; align-items: center; gap: 5px; padding: 1px 8px 1px 2px; border-radius: 999px; background: var(--soft); border: 1px solid var(--line); font-size: 12px; font-weight: 600; }
.av { width: 22px; height: 22px; border-radius: 50%; display: inline-grid; place-items: center; background: var(--friend); color: var(--ink); font-size: 9.5px; font-weight: 700; letter-spacing: -.02em; flex: none; }
.av.you { background: var(--you); color: #fff; }
.av.model { background: var(--model); color: #fff; }

/* Standings */
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; margin: 0 0 6px; padding: 0; list-style: none; font-size: 13.5px; color: var(--muted); }
.legend li { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 18px; height: 3px; border-radius: 2px; background: var(--friend); }
.legend .you i { background: var(--you); }
.legend .model i { background: var(--model); }
.chart svg { display: block; width: 100%; height: auto; }
.chart text { font-family: var(--mono); font-size: 11px; fill: var(--muted); }
.chart .lbl { font-family: var(--body); font-weight: 700; font-size: 12px; }
/* position: relative keeps the screen-reader labels inside the scroll box, not out on the page. */
.tbl-wrap { position: relative; overflow-x: auto; margin-top: 14px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
table { border-collapse: collapse; width: 100%; }
th, td { padding: 9px 10px; text-align: right; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { font-family: var(--display); font-weight: 700; font-size: 14px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); background: var(--soft); }
tr:last-child td { border-bottom: 0; }
td.l, th.l { text-align: left; }
.pname { display: flex; align-items: center; gap: 8px; }
.pname b { font-weight: 700; }
.pname small { display: block; color: var(--muted); font-weight: 400; font-size: 12.5px; white-space: normal; }
tr.is-you td { background: var(--you-soft); }
tr.is-model td { background: var(--model-soft); }

/* Results grid */
.weeks { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.weeks button { min-width: 48px; min-height: 40px; border: 1px solid var(--line); background: var(--panel); border-radius: 8px; cursor: pointer; font-family: var(--display); font-weight: 800; font-size: 17px; }
.weeks button[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.grid th.p { text-align: center; }
.grid td.g { text-align: left; position: sticky; left: 0; background: var(--panel); z-index: 1; min-width: 190px; white-space: normal; }
.grid th.g { position: sticky; left: 0; z-index: 2; }
.grid td.g b { font-weight: 700; }
.grid td.g small { display: block; color: var(--muted); font-size: 12.5px; }
.grid td.c { text-align: center; }
.pk { display: inline-block; min-width: 44px; padding: 2px 6px; border-radius: 4px; font-family: var(--mono); font-size: 12.5px; font-weight: 600; border: 1px solid var(--line); }
.pk.win { background: var(--good-soft); color: var(--good); border-color: var(--good); }
.pk.loss { background: var(--bad-soft); color: var(--bad); border-color: transparent; }
.pk.push { color: var(--muted); }
.pk .mk { margin-right: 3px; }
.grid tfoot td { font-family: var(--mono); font-weight: 600; text-align: center; background: var(--soft); }
.grid tfoot td.top { color: var(--good); }
.grid tfoot td.g { background: var(--soft); font-family: var(--body); }
.callouts { margin-top: 12px; display: grid; gap: 6px; }
.callouts p { margin: 0; }

footer { padding-block: 0 40px; color: var(--muted); font-size: 13px; }
footer p { margin: 4px 0; max-width: 80ch; }
footer a { color: inherit; }

@media (prefers-reduced-motion: no-preference) { .side { transition: border-color .12s ease, background-color .12s ease; } }
@media (max-width: 520px) {
  .side { flex-direction: column; align-items: flex-start; gap: 2px; }
  .side[aria-pressed="true"] { box-shadow: inset 0 -4px 0 var(--you); }
}