:root {
  color-scheme: light;
  --surface: #fcfcfb;
  --surface-2: #f2f1ee;
  --border: #dddbd4;
  --text: #0b0b0b;
  --text-2: #52514e;
  --text-3: #8a887f;
  --accent: #2a78d6;
  --row-hover: #f5f4f0;
  --detail-bg: #f7f6f2;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --surface: #1a1a19;
    --surface-2: #232322;
    --border: #3a3936;
    --text: #ffffff;
    --text-2: #c3c2b7;
    --text-3: #8a887f;
    --accent: #3987e5;
    --row-hover: #232322;
    --detail-bg: #202020;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--surface);
  color: var(--text);
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
header.top { padding: 20px 24px 6px; }
h1 { margin: 0 0 2px; font-size: 20px; letter-spacing: -0.01em; }
.sub { margin: 2px 0; color: var(--text-2); font-size: 13px; }

.controls { padding: 8px 24px 4px; display: flex; flex-direction: column; gap: 8px; }
.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.spacer { flex: 1; }

input[type="search"], input[type="number"], select {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 7px 10px;
  font-size: 13px;
}
input[type="search"] { width: 320px; }
input[type="number"] { width: 84px; }
label { color: var(--text-2); font-size: 12px; display: inline-flex; align-items: center; gap: 6px; }

button {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 7px 12px;
  font-size: 13px;
  cursor: pointer;
}
button:hover { border-color: var(--text-3); }
button.ghost { background: transparent; color: var(--text-2); }
.view-toggle { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.view-toggle button { border: 0; border-radius: 0; background: transparent; }
.view-toggle button.on { background: var(--text); color: var(--surface); }

.table-wrap { overflow-x: auto; padding: 0 24px 24px; }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th {
  position: sticky; top: 0; background: var(--surface);
  color: var(--text-2); font-size: 12px; font-weight: 600;
  cursor: pointer; user-select: none;
}
th.num, td.num { text-align: right; font-variant-numeric: tabular-nums; }
th .arrow { color: var(--text-2); }
tbody tr.data:hover { background: var(--row-hover); cursor: pointer; }
td.name { font-weight: 550; }
td.name a { color: inherit; text-decoration: none; }
td.team a { color: var(--text-2); text-decoration: none; }
td.team a:hover, td.name a:hover { text-decoration: underline; }
td.team { white-space: normal; max-width: 560px; }
.olname { font-size: 12px; }
header.top a { color: var(--text-2); text-decoration: none; }
header.top a:hover { text-decoration: underline; }
span.ols { color: var(--text-2); font-size: 12.5px; letter-spacing: 0.04em; }
td .variants { color: var(--text-3); font-size: 11px; }

td.ols { color: var(--text-2); font-size: 12.5px; letter-spacing: 0.04em; }

tr.detail td {
  background: var(--detail-bg);
  white-space: normal;
  padding: 10px 14px 12px;
}
.traj { font-size: 13px; line-height: 1.9; }
.traj .yr { color: var(--text-3); font-variant-numeric: tabular-nums; }
.traj .sep { color: var(--text-3); }
.prov { margin-top: 8px; color: var(--text-3); font-size: 12px; }

.muted { color: var(--text-3); }
.sources { padding: 4px 24px 0; max-width: 900px; }
.sources h2 { font-size: 13px; color: var(--text-2); margin: 12px 0 4px; font-weight: 600; }
.sources p { margin: 3px 0; font-size: 12px; color: var(--text-3); }
.sources .src-key { display: inline-block; min-width: 84px; color: var(--text-2); font-variant-numeric: tabular-nums; }
.sources a { color: var(--text-3); }
.sources a:hover { color: var(--text); }

footer { padding: 8px 24px 28px; color: var(--text-3); font-size: 12px; max-width: 900px; }
footer code { font-size: 11px; }
/* olympiad multi-select */
.msel { position: relative; display: inline-block; }
.msel-btn { display: inline-flex; align-items: center; gap: 8px; min-width: 120px; justify-content: space-between; }
.msel-btn .chev {
  width: 7px; height: 7px; margin: 0 2px 3px 0;
  border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg);
}
.msel-btn[aria-expanded="true"] .chev { transform: rotate(-135deg); margin-bottom: -3px; }
.msel-panel {
  position: absolute; z-index: 20; top: calc(100% + 6px); left: 0; width: 250px; max-height: 60vh; overflow: auto;
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18); padding: 8px 0 6px;
}
.msel-actions { display: flex; gap: 4px; padding: 0 8px 6px; border-bottom: 1px solid var(--border); }
.msel-actions button { padding: 5px 8px; font-size: 12.5px; }
.msel-group-title { padding: 8px 12px 2px; font-size: 11px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text-3); }
.msel-item { display: flex; align-items: center; gap: 8px; padding: 5px 12px; font-size: 13px; color: var(--text); cursor: pointer; white-space: nowrap; }
.msel-item:hover { background: var(--row-hover); }
.msel-item input { margin: 0; accent-color: var(--accent); width: 15px; height: 15px; flex: none; }
.msel-item .code { font-weight: 550; }

.only-mobile { display: none; }
.export { gap: 8px; }
.filters label { white-space: nowrap; }

/* ---------- small screens ---------- */
@media (max-width: 720px) {
  body { font-size: 15px; }
  header.top { padding: 14px 14px 4px; }
  h1 { font-size: 18px; line-height: 1.25; }
  .sub { font-size: 12.5px; }
  .hint { display: none; }

  .controls { padding: 6px 14px 2px; gap: 8px; }
  .row { gap: 8px; }
  .only-mobile { display: inline-flex; }
  input[type="search"], input[type="number"], select, button { font-size: 16px; min-height: 40px; }
  input[type="search"] { width: 100%; }
  .view-toggle { display: flex; width: 100%; }
  .view-toggle button { flex: 1; padding: 8px 6px; }
  label.sort-m { width: 100%; flex-direction: column; align-items: stretch; gap: 3px; }
  label.sort-m select { width: 100%; }
  /* "Filtros" section header with a chevron on the right */
  #filters-toggle {
    width: 100%; display: flex; align-items: center; justify-content: space-between;
    background: transparent; border: 0; border-top: 1px solid var(--border); border-radius: 0;
    padding: 10px 2px 6px; margin-top: 2px; color: var(--text-2); font-size: 12px; font-weight: 600;
    letter-spacing: 0.02em; text-transform: uppercase; min-height: 0;
  }
  #filters-toggle .chev {
    width: 9px; height: 9px; margin-right: 4px;
    border-right: 2px solid var(--text-2); border-bottom: 2px solid var(--text-2);
    transform: rotate(45deg) translateY(-2px); transition: transform 0.15s ease;
  }
  #filters-toggle[aria-expanded="true"] .chev { transform: rotate(-135deg) translateY(-2px); }

  .filters { display: none; }
  .controls.filters-open .filters {
    display: grid; grid-template-columns: 1fr 1fr; gap: 8px 10px; padding: 2px 0 6px;
  }
  .filters label { flex-direction: column; align-items: stretch; gap: 3px; white-space: nowrap; }
  .filters select, .filters input[type="number"] { width: 100%; }
  .filters .msel-label, .filters label:has(#f-medal) { grid-column: 1 / -1; }
  .msel, .msel-btn { width: 100%; }
  .msel-panel { position: static; width: 100%; max-height: 50vh; margin-top: 6px; box-shadow: none; }
  .msel-group { display: grid; grid-template-columns: 1fr 1fr; }
  .msel-group-title { grid-column: 1 / -1; }
  .filters .msel-item { flex-direction: row; align-items: center; gap: 10px; white-space: normal; min-height: 40px; }
  .msel-item input { width: 18px; height: 18px; }
  .msel-actions button { min-height: 36px; font-size: 14px; flex: 1; }
  .filters .spacer { display: none; }
  .filters #clear { grid-column: 1 / -1; }
  .export { display: none; }
  .controls.filters-open .export { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding-bottom: 6px; }
  .export button { padding: 8px 4px; white-space: nowrap; }

  /* tables become stacked cards */
  .table-wrap { padding: 0 14px 24px; overflow-x: visible; }
  table, tbody { display: block; width: 100%; }
  thead { display: none; }
  tbody tr { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; padding: 10px 0; border-bottom: 1px solid var(--border); }
  tbody tr.data:hover { background: transparent; }
  tbody tr.data:active { background: var(--row-hover); }
  td, th { display: block; border: 0; padding: 0; white-space: normal; text-align: left; }
  td.num { text-align: left; }
  td:empty { display: none; }

  td.name { flex-basis: 100%; font-size: 16px; }
  td.name a { display: block; }
  td.name { order: -1; }
  td.c-badges { flex-basis: 100%; font-size: 12.5px; letter-spacing: 0.04em; }
  td.c-ol { font-size: 12.5px; letter-spacing: 0.04em; }
  td.c-parts, td.c-distinct, td.c-years, td.c-year, td.c-ol, td.c-medal { font-size: 13px; color: var(--text-2); }
  td.c-parts::after { content: " particip."; }
  td.c-distinct::after { content: " olimp."; }
  td.c-gold, td.c-silver, td.c-bronze, td.c-hm {
    font-size: 12.5px; padding: 1px 7px; border-radius: 6px;
    background: var(--surface-2); border: 1px solid var(--border);
  }
  td.c-gold::before { content: "Ouro "; }
  td.c-silver::before { content: "Prata "; }
  td.c-bronze::before { content: "Bronze "; }
  td.c-hm::before { content: "MH "; }

  /* participations view + person page: one line of year · olympiad · result */
  td.c-year { font-variant-numeric: tabular-nums; }
  td.c-ol .olname { display: none; }
  td.c-medal { color: var(--text); }
  td.team { flex-basis: 100%; max-width: none; font-size: 13px; line-height: 1.7; }
  td.team:not(:empty)::before { content: "Equipe: "; color: var(--text-3); }

  .sources { padding: 4px 14px 0; }
  .sources .src-key { min-width: 0; margin-right: 6px; }
  footer { padding: 8px 14px 28px; }
}