/* wcpred — editorial light theme.
   Register: product / data journalism. Tokens first; every color on screen
   either carries data meaning (teal = probability, vermilion = our pick,
   green/ochre = hit states) or is neutral chrome. AA-verified pairs only. */

@font-face {
  font-family: "Source Serif 4";
  src: url("/fonts/source-serif-4-var-latin.woff2") format("woff2");
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Source Serif 4";
  src: url("/fonts/source-serif-4-italic-var-latin.woff2") format("woff2");
  font-weight: 200 900;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("/fonts/inter-var-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  /* neutrals (cool, tinted toward the data hue — not cream) */
  --bg: #f4f6f6;
  --surface: #ffffff;
  --ink: #1f2529;
  --muted: #4f5a5e;
  --line: #dde3e3;
  --line-soft: #e9eded;

  /* data hue: probability = teal, single-hue ramp */
  --data: #0a6c6b;
  --data-deep: #085453;
  --data-tint: #dcebea;

  /* highlight: our pick = vermilion */
  --hi: #c2491d;
  --hi-ink: #a63c12;
  --hi-tint: #fbeae1;

  /* pick-vs-result states (always paired with a text label) */
  --good-tint: #e0f0e3; --good-ink: #1e6b34;
  --warn-tint: #faf0d2; --warn-ink: #7a5c04;
  --miss-tint: #e9eded; --miss-ink: #4f5a5e;

  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --radius: 8px;
  --shadow-1: 0 1px 2px rgba(31, 37, 41, 0.06);
  --shadow-2: 0 4px 16px rgba(31, 37, 41, 0.12);
  --speed: 150ms;
  --ease: cubic-bezier(0.25, 1, 0.5, 1); /* ease-out-quart */

  /* z-scale: nav < modal */
  --z-nav: 30;
  --z-modal: 50;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.5;
}
main { max-width: 1140px; margin: 0 auto; padding: 8px 20px 48px; }

:focus-visible { outline: 2px solid var(--data); outline-offset: 2px; border-radius: 2px; }
::selection { background: var(--data-tint); }

button, select, input { font-family: inherit; font-size: inherit; color: inherit; }

/* ---------- masthead ---------- */
.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  padding: 18px 20px 14px;
  display: flex; flex-wrap: wrap; gap: 14px 28px;
  align-items: flex-end; justify-content: space-between;
}
.topbar h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: 27px; font-weight: 650; letter-spacing: -0.01em;
  line-height: 1.15;
  text-wrap: balance;
}
.subtitle { margin: 3px 0 0; font-size: 12.5px; color: var(--muted); }
.subtitle b { color: var(--ink); font-weight: 600; }

.controls { display: flex; align-items: center; gap: 10px 18px; flex-wrap: wrap; }
.snapshot-picker { font-size: 12.5px; color: var(--muted); white-space: nowrap; }
.snapshot-picker select {
  margin-left: 6px; padding: 5px 8px; font-size: 13px;
  border: 1px solid var(--line); border-radius: 6px;
  background: var(--surface); color: var(--ink); cursor: pointer;
}
.snapshot-picker select:hover { border-color: var(--muted); }

.btn {
  padding: 6px 14px; font-size: 13px; font-weight: 500;
  border: 1px solid var(--ink); background: var(--surface); color: var(--ink);
  border-radius: 6px; cursor: pointer;
  transition: background var(--speed) var(--ease), color var(--speed) var(--ease);
}
.btn:hover { background: var(--ink); color: var(--surface); }
.btn.primary { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn.primary:hover { background: #39444a; border-color: #39444a; }
.btn[disabled] { opacity: 0.45; cursor: default; }
.btn[disabled]:hover { background: var(--surface); color: var(--ink); }
.btn.primary[disabled]:hover { background: var(--ink); color: #fff; }

/* toggles */
.switch { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: 12.5px; color: var(--muted); }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch .slider {
  width: 34px; height: 20px; background: #b9c2c2; border-radius: 20px; position: relative;
  flex: none; transition: background var(--speed) var(--ease);
}
.switch .slider::after {
  content: ""; position: absolute; top: 3px; left: 3px; width: 14px; height: 14px;
  background: #fff; border-radius: 50%; box-shadow: var(--shadow-1);
  transition: left var(--speed) var(--ease);
}
.switch input:checked + .slider { background: var(--data); }
.switch input:checked + .slider::after { left: 17px; }
.switch input:focus-visible + .slider { outline: 2px solid var(--data); outline-offset: 2px; }
.switch input:checked ~ .switch-label { color: var(--ink); }

/* ---------- section nav ---------- */
.tabs {
  position: sticky; top: 0; z-index: var(--z-nav);
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  padding: 0 20px;
  display: flex; gap: 2px;
  overflow-x: auto; scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tabs::before, .tabs::after { content: ""; flex: 1 0 0; }  /* center on wide screens */
.tab {
  padding: 12px 14px 10px; font-size: 14px; font-weight: 550;
  border: none; border-bottom: 3px solid transparent;
  background: none; color: var(--muted); cursor: pointer; white-space: nowrap;
  transition: color var(--speed) var(--ease);
}
.tab:hover { color: var(--ink); }
.tab.active { color: var(--ink); border-bottom-color: var(--hi); }

.panel { display: none; }
.panel.active { display: block; animation: panel-in 180ms var(--ease); }
@keyframes panel-in { from { opacity: 0.4; transform: translateY(3px); } }

/* ---------- shared ---------- */
.flag {
  width: 21px; height: 15px; object-fit: cover; border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(31, 37, 41, 0.18); vertical-align: -3px;
}
.flag.big { width: 27px; height: 20px; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; margin-bottom: 18px; box-shadow: var(--shadow-1);
}
h2.section {
  font-family: var(--serif); font-size: 23px; font-weight: 650; letter-spacing: -0.005em;
  margin: 26px 2px 8px; text-wrap: balance;
}
.note { font-size: 13px; color: var(--muted); margin: 6px 2px 14px; max-width: 75ch; }
.note code { font-size: 12px; }
.group-chip {
  display: inline-block; font-size: 10.5px; font-weight: 600; color: var(--muted);
  border: 1px solid var(--line); border-radius: 4px; padding: 1px 5px; margin-left: 8px;
  letter-spacing: 0.02em; vertical-align: 1px;
}

/* ---------- probability tables ---------- */
table.probs { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.probs th {
  text-align: center; font-size: 11px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--muted); padding: 6px 4px;
  border-bottom: 2px solid var(--ink);
}
table.probs th.team-col, table.probs td.team-cell { text-align: left; }
table.probs td { padding: 5.5px 4px; text-align: center; border-bottom: 1px solid var(--line-soft); }
table.probs tbody tr:hover td { background-color: var(--bg); }
td.team-cell { white-space: nowrap; font-weight: 550; }
td.team-cell .flag { margin-right: 8px; }
td.team-cell .rank-num {
  display: inline-block; min-width: 22px; margin-right: 4px;
  font-variant-numeric: tabular-nums; font-weight: 400; color: var(--muted); font-size: 12px;
}
td.pcell { font-variant-numeric: tabular-nums; min-width: 56px; }
td.pcell.dark { color: #fff; }

/* ---------- champion tab: contenders lede ---------- */
.lede {
  font-family: var(--serif); font-size: 17px; line-height: 1.45;
  margin: 2px 2px 18px; max-width: 62ch; color: var(--ink); text-wrap: pretty;
}
.lede b { font-weight: 650; }
.contenders { display: grid; gap: 7px; margin: 4px 0 6px; }
.contender {
  display: grid; grid-template-columns: 190px 1fr 52px; align-items: center; gap: 12px;
}
.contender .who { display: flex; align-items: center; gap: 9px; font-weight: 550; font-size: 13.5px;
                  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.contender .track { height: 13px; border-radius: 0 3px 3px 0; background: var(--line-soft); position: relative; }
.contender .fill {
  position: absolute; inset: 0 auto 0 0; border-radius: 0 3px 3px 0;
  background: var(--data); min-width: 2px;
}
.contender .val { font-variant-numeric: tabular-nums; font-size: 13px; font-weight: 600; text-align: right; }

/* ---------- evolution ---------- */
.evo-controls { display: flex; gap: 10px 16px; align-items: baseline; flex-wrap: wrap; margin-bottom: 12px; }
.evo-controls .note { margin: 0; }
.evo-controls label { font-size: 12.5px; color: var(--muted); }
.evo-controls select {
  margin-left: 6px; padding: 5px 8px; font-size: 13px;
  border: 1px solid var(--line); border-radius: 6px; background: var(--surface); cursor: pointer;
}
.evo-svg {
  width: 100%; height: auto; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-1);
}
.evo-legend { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 12px; font-size: 12.5px; }
.evo-legend .item { display: flex; align-items: center; gap: 6px; }
.evo-legend .swatch { width: 14px; height: 4px; border-radius: 2px; flex: none; }
/* selectable legend: every team is a clickable chip */
.evo-legend.selectable { gap: 6px 8px; align-items: center; }
.evo-legend.selectable .team-toggle {
  cursor: pointer; padding: 3px 9px 3px 6px; border-radius: 999px;
  border: 1px solid var(--line); user-select: none; background: var(--surface);
  transition: background var(--speed) var(--ease), border-color var(--speed) var(--ease);
}
.evo-legend.selectable .team-toggle:hover { border-color: var(--muted); }
.evo-legend.selectable .team-toggle.off { opacity: 0.62; }
.evo-legend.selectable .team-toggle.on { border-color: var(--muted); font-weight: 550; }
.evo-legend.selectable .team-toggle .swatch { width: 12px; height: 8px; border-radius: 3px; }
.evo-clear {
  cursor: pointer; padding: 4px 11px; font-size: 12px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
}
.evo-clear:hover:not(:disabled) { border-color: var(--muted); }
.evo-clear:disabled { opacity: 0.45; cursor: default; }

/* ---------- groups ---------- */
.groups-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(380px, 1fr)); gap: 16px; }
.group-card { margin-bottom: 0; }
.group-card h3 { margin: 0 0 10px; font-family: var(--serif); font-size: 16.5px; font-weight: 650; }
table.gtable { width: 100%; border-collapse: collapse; font-size: 12.5px; table-layout: fixed; }
table.gtable th {
  font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--muted); padding: 3px 2px; border-bottom: 2px solid var(--ink);
  text-align: center; overflow: hidden;
}
table.gtable th:first-child { text-align: left; }
table.gtable th:nth-child(n+2):nth-child(-n+5) { width: 40px; }  /* 1st..4th */
table.gtable th:nth-child(6) { width: 58px; }                    /* qualifies */
table.gtable th:nth-child(7) { width: 38px; }                    /* xPts */
table.gtable td {
  padding: 4.5px 2px; border-bottom: 1px solid var(--line-soft); text-align: center;
  font-variant-numeric: tabular-nums;
}
table.gtable td.pcell { min-width: 0; }
table.gtable td.team-cell { text-align: left; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
table.gtable td.team-cell .flag { width: 18px; height: 13px; margin-right: 6px; }
table.gtable tr:last-child td { border-bottom: none; }

/* ---------- calendar ---------- */
.round-block { margin-bottom: 30px; }
.round-block > h2 {
  font-family: var(--serif); font-size: 20px; font-weight: 650;
  border-bottom: 2px solid var(--ink); padding-bottom: 7px; margin: 26px 2px 12px;
}
.day-label {
  font-size: 12.5px; font-weight: 600; color: var(--muted); margin: 16px 2px 8px;
  text-transform: capitalize;
}
.match-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 12px; }
.match-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 12px 14px; box-shadow: var(--shadow-1);
  cursor: pointer;
  transition: box-shadow var(--speed) var(--ease), border-color var(--speed) var(--ease);
}
.match-card:hover { box-shadow: var(--shadow-2); border-color: var(--muted); }
.match-card .meta {
  font-size: 11.5px; color: var(--muted); display: flex;
  justify-content: space-between; gap: 8px; margin-bottom: 9px;
}
.match-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.match-row .team { display: flex; align-items: center; gap: 8px; font-weight: 550; font-size: 14px; width: 40%; }
.match-row .team.away { flex-direction: row-reverse; text-align: right; }
.match-row .score { font-size: 21px; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.match-row .score.future { color: var(--muted); font-size: 14px; font-weight: 500; }
.et-tag { color: var(--muted); font-size: 11px; font-weight: 600; cursor: help; }
.pred-line { display: flex; align-items: center; gap: 8px; margin-top: 10px; font-size: 12.5px; }
.pick-chip {
  background: var(--hi-tint); color: var(--hi-ink); font-weight: 650; border-radius: 5px;
  border: 1px solid rgba(166, 60, 18, 0.25);
  padding: 2px 8px; font-variant-numeric: tabular-nums;
}
.xp { color: var(--muted); }

/* 1X2 probability bar: tinted segments, dark AA text, 2px surface gaps */
.prob-bar {
  display: flex; gap: 2px; height: 20px; border-radius: 4px; overflow: hidden; margin-top: 9px;
  font-size: 10.5px; font-weight: 600;
}
.prob-bar .seg {
  display: flex; align-items: center; justify-content: center; min-width: 0;
  white-space: nowrap; overflow: hidden; border-radius: 2px;
}
.prob-bar .seg.p1 { background: var(--data-tint); color: var(--data-deep); }
.prob-bar .seg.px { background: var(--line-soft); color: var(--muted); }
.prob-bar .seg.p2 { background: var(--hi-tint); color: var(--hi-ink); }

.odds-line { margin-top: 9px; font-size: 11.5px; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.odds-line .o {
  border: 1px solid var(--line); border-radius: 4px; padding: 1px 6px;
  font-variant-numeric: tabular-nums;
}

/* pick-vs-result badges (color + text label, never color alone) */
.badge {
  font-size: 10.5px; font-weight: 650; border-radius: 4px; padding: 2.5px 7px;
  text-transform: uppercase; letter-spacing: 0.04em;
}
.badge.exact { background: var(--good-tint); color: var(--good-ink); }
.badge.outcome { background: var(--warn-tint); color: var(--warn-ink); }
.badge.miss { background: var(--miss-tint); color: var(--miss-ink); }

/* ---------- score matrix modal ---------- */
.matrix-box { width: min(640px, 94vw); }
.matrix-head {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--serif); font-size: 18px; font-weight: 650;
  margin-bottom: 4px; flex-wrap: wrap;
}
.matrix-sub { font-size: 12px; color: var(--muted); margin-bottom: 14px; }
table.matrix {
  border-collapse: collapse; font-size: 11.5px; width: 100%;
  font-variant-numeric: tabular-nums; table-layout: fixed;
}
table.matrix th { font-size: 10.5px; color: var(--muted); padding: 3px; font-weight: 600; text-align: center; }
table.matrix th.axis { font-size: 10px; text-transform: uppercase; letter-spacing: 0.04em; }
table.matrix td { padding: 4px 2px; text-align: center; border: 1px solid var(--line-soft); }
table.matrix td.dark { color: #fff; }
table.matrix td.pick { outline: 2.5px solid var(--hi); outline-offset: -2.5px; font-weight: 700; }
table.matrix td.real { outline: 2.5px solid var(--ink); outline-offset: -2.5px; font-weight: 700; }
.matrix-legend { display: flex; gap: 16px; font-size: 11.5px; color: var(--muted); margin-top: 12px; }
.matrix-legend .key {
  display: inline-block; width: 12px; height: 12px; border-radius: 3px;
  vertical-align: -2px; margin-right: 5px;
}
.matrix-loading { padding: 40px 0; text-align: center; color: var(--muted); }

/* ---------- connectivity ---------- */
.conn-h3 { margin: 2px 0 6px; font-family: var(--serif); font-size: 16.5px; font-weight: 650; }
.conn-pt { cursor: pointer; }
.conn-pt.sel circle { stroke: var(--ink); stroke-width: 2; }
.conn-detail-head {
  display: flex; align-items: center; gap: 10px;
  font-size: 16px; margin-bottom: 8px;
}
.conn-stats { display: flex; flex-wrap: wrap; gap: 8px 24px; font-size: 13px; color: var(--muted); margin-bottom: 10px; }
.conn-stats b { color: var(--ink); font-size: 14.5px; font-variant-numeric: tabular-nums; }
.conn-bar { height: 22px; margin-top: 0; }
.conn-bar .seg { border-radius: 2px; }
table.conn-heat td.diag { outline: 1.5px dashed rgba(31, 37, 41, 0.35); outline-offset: -1.5px; }
tr.conn-row { cursor: pointer; }
tr.conn-row.sel td:first-child { box-shadow: inset 3px 0 0 var(--hi); }
.conf-dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  margin-right: 5px; vertical-align: 0;
}

/* ---------- modal ---------- */
.modal {
  position: fixed; inset: 0; background: rgba(31, 37, 41, 0.45);
  display: flex; align-items: center; justify-content: center; z-index: var(--z-modal);
  padding: 16px;
}
.modal.hidden, .hidden { display: none; }
.modal-box {
  background: var(--surface); border-radius: 12px; padding: 22px 24px;
  width: min(560px, 92vw); max-height: 86vh; overflow: auto;
  box-shadow: var(--shadow-2);
  animation: modal-in 180ms var(--ease);
}
@keyframes modal-in { from { opacity: 0; transform: translateY(8px) scale(0.98); } }
.modal-box h2 { margin: 0 0 12px; font-family: var(--serif); font-size: 19px; font-weight: 650; }
.check { display: block; font-size: 13.5px; margin: 9px 0; }
.check input[type="number"] {
  width: 110px; margin-left: 8px; padding: 4px 8px;
  border: 1px solid var(--line); border-radius: 6px; background: var(--surface);
}
.hint { font-size: 12px; color: var(--muted); }
.refresh-engines { border: 1px solid var(--line); border-radius: var(--radius); padding: 6px 12px 10px; margin: 12px 0; }
.refresh-engines legend { font-size: 12px; color: var(--muted); padding: 0 4px; }
.refresh-engines .check { margin: 6px 0; }
.refresh-engines .hint { display: inline; margin-left: 4px; }
.modal-actions { display: flex; gap: 10px; margin: 14px 0 4px; }
#refresh-log {
  background: var(--ink); color: #d5e8e8; font-size: 11px; padding: 10px 12px;
  border-radius: var(--radius); max-height: 300px; overflow: auto; white-space: pre-wrap;
  font-variant-ligatures: none;
}

/* ---------- language switch ---------- */
.lang-switch { display: inline-flex; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.lang-btn {
  padding: 5px 10px; font-size: 12px; font-weight: 600; border: none; cursor: pointer;
  background: var(--surface); color: var(--muted);
  transition: background var(--speed) var(--ease), color var(--speed) var(--ease);
}
.lang-btn + .lang-btn { border-left: 1px solid var(--line); }
.lang-btn.active { background: var(--ink); color: var(--surface); }
.lang-btn:not(.active):hover { background: var(--bg); color: var(--ink); }

/* ---------- documentation tab ---------- */
.doc-card p, .doc-card li { font-size: 13.5px; line-height: 1.6; color: var(--ink); margin: 6px 0; max-width: 75ch; text-wrap: pretty; }
.doc-card ul { margin: 6px 0 2px; padding-left: 20px; }
.doc-card li { margin: 5px 0; }
.doc-card code { font-size: 12px; background: var(--bg); border: 1px solid var(--line); border-radius: 4px; padding: 1px 4px; }
.doc-card h4 { margin: 16px 0 2px; font-family: var(--serif); font-size: 14.5px; font-weight: 650; }
details.doc-card { padding: 0; margin-bottom: 10px; }
details.doc-card summary {
  cursor: pointer; padding: 13px 18px; list-style: none;
  font-family: var(--serif); font-size: 16px; font-weight: 650;
  display: flex; align-items: baseline; gap: 10px;
  transition: background var(--speed) var(--ease);
}
details.doc-card summary::-webkit-details-marker { display: none; }
details.doc-card summary::before {
  content: "+"; flex: none; width: 1em; color: var(--muted);
  font-family: var(--serif); font-weight: 400;
}
details.doc-card[open] summary::before { content: "−"; }
details.doc-card summary:hover { background: var(--bg); }
details.doc-card[open] summary { border-bottom: 1px solid var(--line); }
details.doc-card .doc-body { padding: 6px 18px 14px 18px; }
details.doc-appendix { margin-top: 18px; }
details.doc-appendix summary { color: var(--muted); }
details.doc-appendix[open] summary { color: var(--ink); }
.doc-flow {
  background: var(--bg); color: var(--ink); border: 1px solid var(--line);
  font-size: 12px; padding: 12px 14px; border-radius: var(--radius);
  overflow-x: auto; line-height: 1.5;
}

/* ---------- motion & responsive ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

@media (max-width: 900px) {
  .contender { grid-template-columns: 150px 1fr 48px; }
}

@media (max-width: 640px) {
  .topbar { padding: 14px 16px 12px; }
  .topbar h1 { font-size: 22px; }
  .tabs { padding: 0 8px; }
  .tabs::before, .tabs::after { content: none; }
  main { padding: 6px 12px 40px; }
  .match-grid, .groups-grid { grid-template-columns: 1fr; }
  .contender { grid-template-columns: 132px 1fr 44px; gap: 8px; }
  .contender .who { font-size: 12.5px; }
  h2.section { font-size: 20px; }
}