:root {
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --ink-muted: #898781;
  --grid: #e1e0d9;
  --baseline: #c3c2b7;
  --ring: rgba(11, 11, 11, 0.10);
  --wash: rgba(11, 11, 11, 0.045);
  --c-uefa: #2a78d6;
  --c-conmebol: #1baf7a;
  --c-concacaf: #eda100;
  --c-caf: #008300;
  --c-afc: #4a3aa7;
  --c-ofc: #e34948;
  --seq: #2a78d6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --page: #0d0d0d;
    --surface: #1a1a19;
    --ink: #ffffff;
    --ink-2: #c3c2b7;
    --ink-muted: #898781;
    --grid: #2c2c2a;
    --baseline: #383835;
    --ring: rgba(255, 255, 255, 0.10);
    --wash: rgba(255, 255, 255, 0.06);
    --c-uefa: #3987e5;
    --c-conmebol: #199e70;
    --c-concacaf: #c98500;
    --c-caf: #008300;
    --c-afc: #9085e9;
    --c-ofc: #e66767;
    --seq: #3987e5;
  }
}
:root[data-theme="light"] {
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --ink-muted: #898781;
  --grid: #e1e0d9;
  --baseline: #c3c2b7;
  --ring: rgba(11, 11, 11, 0.10);
  --wash: rgba(11, 11, 11, 0.045);
  --c-uefa: #2a78d6;
  --c-conmebol: #1baf7a;
  --c-concacaf: #eda100;
  --c-caf: #008300;
  --c-afc: #4a3aa7;
  --c-ofc: #e34948;
  --seq: #2a78d6;
}
:root[data-theme="dark"] {
  --page: #0d0d0d;
  --surface: #1a1a19;
  --ink: #ffffff;
  --ink-2: #c3c2b7;
  --ink-muted: #898781;
  --grid: #2c2c2a;
  --baseline: #383835;
  --ring: rgba(255, 255, 255, 0.10);
  --wash: rgba(255, 255, 255, 0.06);
  --c-uefa: #3987e5;
  --c-conmebol: #199e70;
  --c-concacaf: #c98500;
  --c-caf: #008300;
  --c-afc: #9085e9;
  --c-ofc: #e66767;
  --seq: #3987e5;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--page);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1060px; margin: 0 auto; padding: 24px 20px 80px; }

/* ---- header ---- */
header.site { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 8px; }
header.site .title h1 { font-size: 1.55rem; letter-spacing: 0.01em; }
header.site .title p { color: var(--ink-2); font-size: 0.9rem; margin-top: 2px; }
#themeToggle {
  margin-left: auto; background: var(--surface); color: var(--ink-2);
  border: 1px solid var(--ring); border-radius: 8px; padding: 6px 10px;
  cursor: pointer; font-size: 0.9rem;
}
#themeToggle:hover { background: var(--wash); }

/* ---- tabs ---- */
nav.tabs { display: flex; gap: 4px; margin: 18px 0 12px; flex-wrap: wrap; border-bottom: 1px solid var(--grid); }
nav.tabs button {
  background: none; border: none; border-bottom: 2px solid transparent;
  color: var(--ink-2); font-size: 0.95rem; padding: 8px 14px 9px; cursor: pointer;
  font-family: inherit;
}
nav.tabs button:hover { color: var(--ink); background: var(--wash); border-radius: 8px 8px 0 0; }
nav.tabs button.active { color: var(--ink); border-bottom-color: var(--ink); font-weight: 600; }

/* ---- filter row ---- */
.filters { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 14px 2px; }
.filters .label { color: var(--ink-muted); font-size: 0.82rem; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--ring); border-radius: 999px; padding: 4px 12px;
  background: var(--surface); color: var(--ink-2); cursor: pointer; font-size: 0.85rem;
  font-family: inherit;
}
.chip:hover { background: var(--wash); }
.chip.active { color: var(--ink); border-color: var(--ink-2); font-weight: 600; }
.chip .swatch { width: 10px; height: 10px; border-radius: 3px; }
select.sorter {
  border: 1px solid var(--ring); border-radius: 8px; padding: 5px 8px;
  background: var(--surface); color: var(--ink); font-size: 0.85rem; font-family: inherit;
}

/* ---- cards ---- */
.card {
  background: var(--surface); border: 1px solid var(--ring); border-radius: 14px;
  padding: 20px; margin-bottom: 18px;
}
.card h2 { font-size: 1.05rem; margin-bottom: 4px; }
.card .sub { color: var(--ink-2); font-size: 0.84rem; margin-bottom: 14px; }

/* ---- ranking rows ---- */
.rank-row {
  display: grid; grid-template-columns: 2.2em 13.5em 1fr 3.2em;
  align-items: center; gap: 10px; padding: 4px 6px; border-radius: 8px; cursor: pointer;
}
.rank-row:hover, .rank-row:focus-visible { background: var(--wash); outline: none; }
.rank-row .rk { color: var(--ink-muted); font-size: 0.82rem; text-align: right; font-variant-numeric: tabular-nums; }
.rank-row .nm { display: flex; align-items: center; gap: 8px; font-size: 0.92rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rank-row .nm .fl { font-size: 1.15rem; }
.rank-row .bar-track { height: 14px; position: relative; }
.rank-row .bar {
  position: absolute; inset: 0 auto 0 0; border-radius: 0 4px 4px 0; min-width: 2px;
}
.rank-row .val { font-size: 0.84rem; font-variant-numeric: tabular-nums; color: var(--ink-2); }
.rank-head {
  display: grid; grid-template-columns: 2.2em 13.5em 1fr 3.2em; gap: 10px;
  color: var(--ink-muted); font-size: 0.75rem; padding: 0 6px 6px;
}
@media (max-width: 640px) {
  .rank-row, .rank-head { grid-template-columns: 2em 9.5em 1fr 3em; gap: 6px; }
  .rank-row .nm { font-size: 0.85rem; }
}

/* ---- legend ---- */
.legend { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--grid); }
.legend span { display: inline-flex; align-items: center; gap: 6px; color: var(--ink-2); font-size: 0.8rem; }
.legend .swatch { width: 10px; height: 10px; border-radius: 3px; }

/* ---- scatter ---- */
.scatter-box { position: relative; }
svg.scatter { width: 100%; height: auto; display: block; }
svg.scatter .gridline { stroke: var(--grid); stroke-width: 1; }
svg.scatter .axis { stroke: var(--baseline); stroke-width: 1; }
svg.scatter text { font-family: inherit; }
svg.scatter .tick { fill: var(--ink-muted); font-size: 11px; font-variant-numeric: tabular-nums; }
svg.scatter .axis-label { fill: var(--ink-2); font-size: 12px; }
svg.scatter .quad { fill: var(--ink-muted); font-size: 11px; opacity: 0.85; }
svg.scatter .flagmark { cursor: pointer; }
svg.scatter .flagmark text { font-size: 17px; }
svg.scatter .flagmark circle.hit { fill: transparent; }
svg.scatter .flagmark:hover text, svg.scatter .flagmark:focus text { font-size: 22px; }

/* ---- group cards ---- */
.groups-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
.group-card { background: var(--surface); border: 1px solid var(--ring); border-radius: 14px; padding: 16px; }
.group-card h3 { font-size: 0.95rem; margin-bottom: 10px; color: var(--ink); }
.group-card h3 small { color: var(--ink-muted); font-weight: 400; margin-left: 6px; }

/* ---- group standings ---- */
:root { --qual: #1baf7a; }
:root[data-theme="dark"] { --qual: #199e70; }
@media (prefers-color-scheme: dark) { :root { --qual: #199e70; } }
:root[data-theme="light"] { --qual: #1baf7a; }

.gs-table { width: 100%; border-collapse: collapse; font-size: 0.83rem; }
.gs-table th {
  text-align: right; color: var(--ink-muted); font-weight: 500; font-size: 0.68rem;
  padding: 2px 5px 4px; border-bottom: 1px solid var(--baseline); white-space: nowrap;
}
.gs-table th.tm { text-align: left; }
.gs-table td {
  padding: 3px 5px; border-bottom: 1px solid var(--grid); text-align: right;
  font-variant-numeric: tabular-nums; color: var(--ink-2); white-space: nowrap;
}
.gs-table tr:last-child td { border-bottom: none; }
.gs-table td.tm { text-align: left; color: var(--ink); width: 100%; overflow: hidden; text-overflow: ellipsis; max-width: 0; }
.gs-table td.tm .fl { font-size: 1rem; }
.gs-table td.pts { font-weight: 650; color: var(--ink); }
.gs-table tbody tr { cursor: pointer; }
.gs-table tbody tr:hover, .gs-table tbody tr:focus-visible { background: var(--wash); outline: none; }
.gs-table tr.adv td:first-child { box-shadow: inset 3px 0 0 var(--qual); }
.gs-table tr.out td.tm, .gs-table tr.out td:first-child { opacity: 0.55; }
.gs-table .perf-up { color: var(--qual); font-size: 0.66rem; margin-left: 2px; }
.gs-table .perf-dn { color: var(--c-ofc); font-size: 0.66rem; margin-left: 2px; }

details.gm { margin-top: 10px; }
details.gm summary { cursor: pointer; color: var(--ink-muted); font-size: 0.78rem; }
.gm-row {
  display: grid; grid-template-columns: 2.6em 1fr 3.4em 1fr;
  align-items: center; gap: 6px; font-size: 0.79rem; padding: 2px 4px; color: var(--ink-2);
}
.gm-row .d { color: var(--ink-muted); font-size: 0.7rem; font-variant-numeric: tabular-nums; }
.gm-row .h { text-align: right; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.gm-row > span:last-child { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.gm-row .sc { text-align: center; font-variant-numeric: tabular-nums; color: var(--ink); font-weight: 600; }

/* ---- knockout bracket ---- */
.bracket-scroll { overflow-x: auto; padding: 10px 2px 6px; }
.bracket {
  display: grid; grid-template-columns: repeat(5, 150px) 120px;
  column-gap: 20px; grid-auto-rows: 27px; min-width: 970px;
}
.ko-head { align-self: end; text-align: center; font-size: 0.76rem; color: var(--ink-muted); padding-bottom: 8px; }
.ko-slot { position: relative; display: flex; align-items: center; }
.ko-match { position: relative; width: 100%; background: var(--surface); border: 1px solid var(--ring); border-radius: 9px; padding: 4px 6px; }
.ko-date {
  position: absolute; top: -9px; right: 8px; background: var(--surface); color: var(--ink-muted);
  font-size: 0.6rem; line-height: 1.5; padding: 0 6px; border: 1px solid var(--grid); border-radius: 999px;
  white-space: nowrap;
}
.ko-team { display: flex; align-items: center; gap: 5px; font-size: 0.78rem; padding: 1px 2px; border-radius: 5px; }
.ko-team[data-team] { cursor: pointer; }
.ko-team[data-team]:hover, .ko-team[data-team]:focus-visible { background: var(--wash); outline: none; }
.ko-team .fl { font-size: 0.95rem; line-height: 1; }
.ko-team .nm { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ko-team .sc { font-variant-numeric: tabular-nums; font-weight: 600; min-width: 1.2em; text-align: right; }
.ko-team .sc small { color: var(--ink-muted); font-weight: 400; font-size: 0.85em; }
.ko-team.win { font-weight: 650; }
.ko-team.lose { opacity: 0.5; }
.ko-team .tbd { color: var(--ink-muted); }
/* connectors */
.ko-slot:not(.champ)::after { content: ""; position: absolute; right: -11px; top: 50%; width: 10px; height: 1px; background: var(--baseline); }
.ko-slot:not(.c0):not(.champ)::before {
  content: ""; position: absolute; left: -11px; top: 25%; height: 50%; width: 1px; background: var(--baseline);
}
.ko-slot:not(.c0) .ko-match::before {
  content: ""; position: absolute; left: -11px; top: 50%; width: 10px; height: 1px; background: var(--baseline);
}
.ko-slot.champ .ko-champ::before { content: ""; position: absolute; left: -11px; top: 50%; width: 10px; height: 1px; background: var(--baseline); }
.ko-champ {
  position: relative; width: 100%; text-align: center; border: 1px solid var(--ring); border-radius: 12px;
  padding: 16px 8px; background: var(--surface);
}
.ko-champ .cup { font-size: 1.7rem; display: block; margin-bottom: 4px; }
.ko-third-box { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--grid); }
.ko-third-box h3 { font-size: 0.9rem; margin-bottom: 12px; }
.ko-third-box h3 small { color: var(--ink-muted); font-weight: 400; margin-left: 6px; }

/* ---- league bars ---- */
.lg-row {
  display: grid; grid-template-columns: 15em 1fr 2.6em; align-items: center; gap: 10px;
  padding: 3px 6px; border-radius: 8px;
}
.lg-row:hover { background: var(--wash); }
.lg-row .nm { font-size: 0.88rem; display: flex; gap: 7px; align-items: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lg-row .bar-track { height: 13px; position: relative; }
.lg-row .bar { position: absolute; inset: 0 auto 0 0; border-radius: 0 4px 4px 0; background: var(--seq); min-width: 2px; }
.lg-row .val { font-size: 0.82rem; color: var(--ink-2); font-variant-numeric: tabular-nums; text-align: right; }
@media (max-width: 640px) { .lg-row { grid-template-columns: 10em 1fr 2.6em; } }

/* ---- modal ---- */
dialog#teamModal {
  border: 1px solid var(--ring); border-radius: 16px; padding: 0;
  background: var(--surface); color: var(--ink);
  width: min(760px, calc(100vw - 32px)); max-height: calc(100vh - 60px);
}
dialog#teamModal::backdrop { background: rgba(0, 0, 0, 0.45); }
.modal-inner { padding: 22px 24px 26px; overflow-y: auto; max-height: calc(100vh - 60px); }
.modal-head { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.modal-head .bigflag { font-size: 2.6rem; line-height: 1; }
.modal-head h2 { font-size: 1.3rem; }
.modal-head .meta { color: var(--ink-2); font-size: 0.84rem; }
.modal-close {
  margin-left: auto; background: none; border: 1px solid var(--ring); border-radius: 8px;
  color: var(--ink-2); font-size: 1rem; padding: 4px 10px; cursor: pointer; align-self: flex-start;
}
.stat-tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 10px; margin: 18px 0; }
.stat-tile { border: 1px solid var(--grid); border-radius: 12px; padding: 10px 12px; }
.stat-tile .k { color: var(--ink-muted); font-size: 0.72rem; }
.stat-tile .v { font-size: 1.45rem; font-weight: 650; }
.stat-tile .v small { font-size: 0.8rem; color: var(--ink-muted); font-weight: 400; }

.squad-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.squad-table th {
  text-align: left; color: var(--ink-muted); font-weight: 500; font-size: 0.72rem;
  padding: 4px 8px; border-bottom: 1px solid var(--baseline);
}
.squad-table td { padding: 4px 8px; border-bottom: 1px solid var(--grid); }
.squad-table td.num { font-variant-numeric: tabular-nums; color: var(--ink-2); }
.squad-table .p-bar-track { width: 90px; height: 11px; position: relative; }
.squad-table .p-bar { position: absolute; inset: 0 auto 0 0; border-radius: 0 3px 3px 0; min-width: 2px; }
.squad-table .xi-mark { color: var(--ink-2); }
.pos-badge {
  display: inline-block; font-size: 0.68rem; border: 1px solid var(--grid);
  border-radius: 5px; padding: 0 5px; color: var(--ink-2); font-variant-numeric: tabular-nums;
}
.table-scroll { overflow-x: auto; }

.mini-league h4 { font-size: 0.85rem; margin: 18px 0 8px; color: var(--ink-2); font-weight: 600; }

/* ---- tooltip ---- */
#tooltip {
  position: fixed; z-index: 50; pointer-events: none; display: none;
  background: var(--surface); border: 1px solid var(--ring); border-radius: 10px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.18);
  padding: 8px 12px; font-size: 0.8rem; color: var(--ink); max-width: 280px;
}
#tooltip .t-title { font-weight: 650; display: flex; gap: 6px; align-items: center; }
#tooltip .t-rows { margin-top: 3px; color: var(--ink-2); }
#tooltip .t-rows div { display: flex; justify-content: space-between; gap: 16px; }
#tooltip .t-rows b { font-variant-numeric: tabular-nums; font-weight: 600; color: var(--ink); }

/* ---- methodology ---- */
.method { font-size: 0.9rem; color: var(--ink-2); }
.method h3 { color: var(--ink); font-size: 0.95rem; margin: 16px 0 6px; }
.method p { margin-bottom: 8px; }
.method code { background: var(--wash); border-radius: 5px; padding: 1px 6px; font-size: 0.82rem; }
.method table { border-collapse: collapse; margin: 8px 0; font-size: 0.83rem; }
.method th, .method td { border: 1px solid var(--grid); padding: 4px 10px; text-align: left; }
.method th { color: var(--ink-muted); font-weight: 500; }

details.data-table { margin-top: 14px; }
details.data-table summary { cursor: pointer; color: var(--ink-2); font-size: 0.85rem; }

footer.site { color: var(--ink-muted); font-size: 0.78rem; margin-top: 30px; }
footer.site a { color: var(--ink-2); }

.hidden { display: none !important; }