:root {
  --navy: #14284b;
  --navy-2: #1d3a6b;
  --gold: #f2b705;
  --gold-soft: #fff4cf;
  --bg: #f3f5f9;
  --surface: #ffffff;
  --surface-2: #eef1f6;
  --line: #d6dce6;
  --text: #121a2b;
  --muted: #5b667a;
  --good: #1f8a4c;
  --good-soft: #e3f5ea;
  --bad: #c0392b;
  --bad-soft: #fbe7e4;
  --pick: #14284b;
  --pick-text: #ffffff;
  --accent-text: #14284b;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(18, 26, 43, .06), 0 4px 14px rgba(18, 26, 43, .06);
  --display: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --body: 'Barlow', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c1424;
    --surface: #14203a;
    --surface-2: #1b2a4a;
    --line: #2b3c60;
    --text: #e8edf6;
    --muted: #9aa8c2;
    --gold-soft: #3a3110;
    --good: #4cc27f;
    --good-soft: #12351f;
    --bad: #ef7b6c;
    --bad-soft: #3d1813;
    --pick: #f2b705;
    --pick-text: #14284b;
    --accent-text: #f2b705;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 16px/1.5 var(--body); }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 16px; }
main:focus { outline: none; }
[hidden] { display: none !important; }

/* ---------- masthead ---------- */
.masthead { background: linear-gradient(100deg, var(--navy) 0%, var(--navy-2) 100%); color: #fff; border-bottom: 4px solid var(--gold); }
.masthead-inner {
  max-width: 1180px; margin: 0 auto; padding: 14px 16px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.brand { text-decoration: none; display: flex; flex-direction: column; line-height: 1; }
.brand-kicker { font: 600 13px/1 var(--body); letter-spacing: .12em; text-transform: uppercase; color: var(--gold); }
.brand-title { font: 800 30px/1.05 var(--display); text-transform: uppercase; letter-spacing: .01em; margin-top: 4px; }
.brand-year { color: var(--gold); }
.nav { display: flex; gap: 4px; flex-wrap: wrap; align-items: center; }
.nav a, .nav button {
  background: none; border: 0; cursor: pointer; text-decoration: none;
  font: 700 16px/1 var(--display); text-transform: uppercase; letter-spacing: .05em;
  color: rgba(255,255,255,.85); padding: 10px 12px; border-radius: 6px;
}
.nav a:hover, .nav button:hover { color: #fff; background: rgba(255,255,255,.1); }
.nav a[aria-current="page"] { color: var(--navy); background: var(--gold); }

.status { max-width: 1180px; margin: 0 auto; padding: 12px 16px 0; font-size: 15px; color: var(--muted); }
.status:empty { display: none; }
.status strong { color: var(--text); }

/* ---------- generic ---------- */
h1, h2, h3 { font-family: var(--display); text-transform: uppercase; letter-spacing: .01em; line-height: 1.05; margin: 0; }
h1 { font-size: clamp(30px, 5vw, 44px); font-weight: 800; }
h2 { font-size: 26px; font-weight: 800; }
h3 { font-size: 19px; font-weight: 700; }
.lede { color: var(--muted); max-width: 62ch; margin: 8px 0 0; }
.page-head { padding: 24px 0 16px; display: flex; justify-content: space-between; align-items: end; gap: 16px; flex-wrap: wrap; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; }
.stack > * + * { margin-top: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: 16px; align-items: start; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 99px; font: 700 13px/1.2 var(--body); background: var(--surface-2); color: var(--muted); }
.pill.gold { background: var(--gold-soft); color: var(--text); }
.pill.good { background: var(--good-soft); color: var(--good); }
.pill.bad { background: var(--bad-soft); color: var(--bad); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid transparent; border-radius: 8px; cursor: pointer; padding: 11px 18px; min-height: 44px;
  font: 700 17px/1 var(--display); text-transform: uppercase; letter-spacing: .05em;
  background: var(--navy); color: #fff; text-decoration: none;
}
.btn:hover { background: var(--navy-2); }
.btn.gold { background: var(--gold); color: var(--navy); }
.btn.gold:hover { filter: brightness(1.05); }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn.ghost:hover { background: var(--surface-2); }
.btn.danger { background: transparent; color: var(--bad); border-color: var(--bad); padding: 6px 10px; min-height: 34px; font-size: 14px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }

label.field { display: block; }
label.field > span { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=datetime-local], select, textarea {
  width: 100%; padding: 11px 12px; min-height: 44px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--surface); color: var(--text);
}
textarea { min-height: 280px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 14px; line-height: 1.5; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--gold); outline-offset: 0; border-color: var(--gold); }
.form-error { color: var(--bad); font-weight: 600; min-height: 1.5em; margin: 0; }
fieldset.dob { margin: 0; padding: 0; border: 0; min-width: 0; }
fieldset.dob legend { padding: 0; font-weight: 600; font-size: 14px; margin-bottom: 6px; }
.dob-row { display: grid; grid-template-columns: 1.4fr 1fr; gap: 10px; margin-bottom: 6px; }
.check { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; line-height: 1.4; cursor: pointer; }
.check[hidden] { display: none; }
.check input { flex: none; width: 20px; height: 20px; margin: 1px 0 0; accent-color: var(--pick); }
.agree { margin: 0; text-align: center; }

/* ---------- auth ---------- */
.auth { display: grid; grid-template-columns: 1.1fr 1fr; gap: 32px; padding: 32px 0 48px; align-items: start; }
.auth-pitch h1 { font-size: clamp(36px, 6vw, 58px); }
.facts { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 10px; }
.facts li { display: flex; gap: 12px; align-items: baseline; }
.facts b { font: 800 22px/1 var(--display); color: var(--accent-text); min-width: 88px; text-transform: uppercase; }
.tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; background: var(--surface-2); padding: 4px; border-radius: 9px; margin-bottom: 18px; }
.tabs button {
  border: 0; background: transparent; padding: 10px; border-radius: 6px; cursor: pointer;
  font: 700 17px/1 var(--display); text-transform: uppercase; letter-spacing: .05em; color: var(--muted);
}
.tabs button[aria-selected="true"] { background: var(--surface); color: var(--text); box-shadow: var(--shadow); }

/* ---------- bracket ---------- */
.toolbar {
  position: sticky; top: 0; z-index: 5;
  display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 10px 12px; box-shadow: var(--shadow); margin-bottom: 16px;
}
.progress { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.progress-bar { width: 120px; height: 8px; background: var(--surface-2); border-radius: 99px; overflow: hidden; }
.progress-bar i { display: block; height: 100%; background: var(--gold); }
.tiebreak { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 15px; }
.tiebreak input { width: 92px; }

.round-tabs { display: none; gap: 4px; overflow-x: auto; margin-bottom: 12px; }
.round-tabs button {
  flex: 1 0 auto; border: 1px solid var(--line); background: var(--surface); border-radius: 8px;
  padding: 10px 12px; cursor: pointer; font: 700 16px/1 var(--display); text-transform: uppercase; letter-spacing: .04em;
}
.round-tabs button[aria-selected="true"] { background: var(--navy); color: #fff; border-color: var(--navy); }

.bracket { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
.round { display: flex; flex-direction: column; min-width: 0; }
.round-head { padding: 0 2px 8px; border-bottom: 3px solid var(--accent-text); margin-bottom: 10px; }
.round-head h3 { font-size: 20px; }
.round-head .small { color: var(--muted); }
.round-games { flex: 1; display: flex; flex-direction: column; justify-content: space-around; gap: 10px; }

.game { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; box-shadow: var(--shadow); overflow: hidden; }
.game-meta { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); padding: 4px 8px; background: var(--surface-2); }
.team {
  display: flex; align-items: center; gap: 8px; width: 100%; text-align: left;
  border: 0; border-top: 1px solid var(--line); background: transparent; cursor: pointer;
  padding: 8px; min-height: 42px; font-weight: 600; font-size: 15px;
}
.game-meta + .team { border-top: 0; }
.team:hover:not(:disabled) { background: var(--gold-soft); }
.team:disabled { cursor: default; }
.team .seed {
  flex: none; width: 26px; height: 26px; border-radius: 5px; display: grid; place-items: center;
  font: 800 14px/1 var(--display); background: var(--surface-2); color: var(--muted);
}
.team .name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.team .mark { flex: none; font-size: 13px; font-weight: 700; }
.team.tbd { color: var(--muted); font-style: italic; font-weight: 500; }
.team.picked { background: var(--pick); color: var(--pick-text); }
.team.picked .seed { background: var(--gold); color: var(--navy); }
.team.picked:hover:not(:disabled) { background: var(--pick); }
.team.correct { background: var(--good-soft); color: var(--good); }
.team.correct .seed { background: var(--good); color: #fff; }
.team.wrong { background: var(--bad-soft); color: var(--bad); }
.team.wrong .name { text-decoration: line-through; }
.team.actual { box-shadow: inset 4px 0 0 var(--good); }

.champion { margin-top: 12px; text-align: center; padding: 14px; border-radius: var(--radius); background: var(--navy); color: #fff; border: 3px solid var(--gold); }
.champion small { display: block; font: 700 12px/1 var(--body); letter-spacing: .14em; text-transform: uppercase; color: var(--gold); }
.champion strong { display: block; font: 800 26px/1.1 var(--display); text-transform: uppercase; margin-top: 6px; }

.empty-state { text-align: center; padding: 40px 20px; }
.empty-state h2 { font-size: 34px; }
.empty-state .lede { margin-left: auto; margin-right: auto; }
.seed-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; margin-top: 24px; text-align: left; }
.seed-grid div { background: var(--surface-2); border-radius: 6px; padding: 8px 10px; color: var(--muted); font-weight: 600; font-size: 14px; }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line); }
th { font: 700 13px/1 var(--body); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.me td { background: var(--gold-soft); }
.rank { font: 800 20px/1 var(--display); }
td a { font-weight: 600; }

/* ---------- admin ---------- */
.result-row { display: grid; grid-template-columns: 64px 1fr; gap: 10px; align-items: center; padding: 6px 0; border-bottom: 1px solid var(--line); }
.result-row:last-child { border-bottom: 0; }
.result-row .gid { font: 700 14px/1 var(--display); color: var(--muted); text-transform: uppercase; }

.rules dt { font-weight: 700; margin-top: 14px; }
.rules dd { margin: 4px 0 0; color: var(--muted); }

.toast {
  position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); z-index: 20;
  background: var(--navy); color: #fff; padding: 12px 18px; border-radius: 8px; box-shadow: var(--shadow);
  border: 1px solid rgba(242, 183, 5, .55); max-width: calc(100% - 32px); font-weight: 600;
}
.toast.error { background: #7a2318; border-color: #ef7b6c; }

.footer { color: var(--muted); font-size: 13px; padding-top: 40px; padding-bottom: 32px; }
.footer .sponsors { padding-top: 20px; border-top: 1px solid var(--line); }
.footer-note { margin: 16px 0 0; }

/* ---------- sponsors ---------- */
.sponsors { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 16px; }
.sponsors-label { font: 700 12px/1.2 var(--body); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.sponsor-links { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
.sponsor {
  display: inline-flex; align-items: center; gap: 8px; min-height: 46px; padding: 8px 14px;
  background: #ffffff; border: 1px solid var(--line); border-radius: 8px; text-decoration: none;
  color: #1d1b53; font: 800 18px/1 var(--display); text-transform: uppercase; letter-spacing: .02em;
}
.sponsor:hover { border-color: var(--gold); box-shadow: var(--shadow); }
.sponsor img { display: block; }
.sponsor .sponsor-logo { height: 26px; width: auto; }
.sponsor .sponsor-logo.tall { height: 38px; margin: -6px 0; }
.sponsor .sponsor-logo.xl { height: 46px; margin: -6px 0; }

/* ---------- prize ---------- */
.prize {
  display: flex; align-items: center; gap: 14px; margin: 18px 0; padding: 12px 16px;
  background: var(--gold-soft); border: 1px solid var(--gold); border-radius: var(--radius); color: var(--text);
}
.prize-amount { flex: none; font: 800 30px/1 var(--display); color: var(--accent-text); }
.prize p { margin: 0; }
.prize strong { display: block; font: 700 18px/1.15 var(--display); text-transform: uppercase; letter-spacing: .02em; }

/* ---------- leave-without-finishing reminder ---------- */
.reminder {
  width: min(440px, calc(100% - 32px)); padding: 24px; border: 1px solid rgba(242, 183, 5, .65);
  border-radius: var(--radius); background: var(--surface); color: var(--text); box-shadow: 0 18px 50px rgba(12, 20, 36, .35);
}
.reminder::backdrop { background: rgba(12, 20, 36, .55); }
.reminder-kicker { margin: 0 0 6px; font: 700 12px/1.2 var(--body); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.reminder h2 { margin: 0 0 10px; font: 800 28px/1.05 var(--display); }
.reminder p { margin: 0 0 12px; }
.reminder .btn-row { margin-top: 18px; }
.sponsor-sep { color: var(--muted); font-weight: 600; }
@media (max-width: 520px) { .sponsor-sep { display: none; } }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .round-tabs { display: flex; }
  .bracket { grid-template-columns: 1fr; }
  .bracket .round { display: none; }
  .bracket .round.active { display: flex; }
  .round-games { justify-content: flex-start; }
  .auth { grid-template-columns: 1fr; gap: 20px; padding-top: 20px; }
}
@media (max-width: 520px) {
  .brand-title { font-size: 25px; }
  .nav a, .nav button { padding: 8px; font-size: 15px; }
  .toolbar { position: static; }
  .card { padding: 16px; }
  th, td { padding: 8px; }
  .hide-sm { display: none; }
  .round-tabs button { flex: 1 1 0; min-width: 0; padding: 10px 2px; font-size: 14px; letter-spacing: 0; }
}
@media (prefers-reduced-motion: no-preference) {
  .team { transition: background-color .12s ease; }
}