/* A reading companion to the existing green-and-paper official site. */
.rules-header { position: sticky; top: 0; z-index: 20; background: var(--paper); border-bottom: 1px solid var(--line); }
.rules-header > .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 80px; gap: 24px; }
.rules-header .brand strong { font-family: inherit; font-size: 24px; }
.return-home, .back-top { display: inline-flex; align-items: center; min-height: 44px; gap: 16px; font-size: 14px; }
.rules-layout { display: grid; grid-template-columns: 196px minmax(0, 1fr); gap: 48px; align-items: start; padding-top: 48px; padding-bottom: 64px; }
.rules-sidebar { position: sticky; top: 112px; }
.rules-sidebar .eyebrow { margin-bottom: 12px; }
.rules-sidebar summary { display: none; }
.rules-sidebar ol { list-style: none; padding: 0; margin: 0; }
.rules-sidebar nav a { display: flex; align-items: center; gap: 12px; min-height: 44px; font-size: 13px; }
.rules-sidebar nav a span { font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; }
.rules-sidebar nav a:hover { color: var(--gold); }
.back-top { margin-top: 20px; border-top: 1px solid var(--line); width: 100%; color: var(--muted); }
.rules-paper { min-width: 0; grid-column: 2; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 48px 48px 28px; }
.rules-title { padding-bottom: 36px; }
.rules-title .eyebrow { margin-bottom: 16px; }
.rules-title h1 { text-align: center; text-wrap: balance; }
.rules-title h1, .rules-state h1 { font-family: inherit; font-size: clamp(26px, 3vw, 38px); font-weight: 600; line-height: 1.5; letter-spacing: .02em; overflow-wrap: anywhere; }
.rules-subtitle { color: var(--muted); font-size: 20px; margin-top: 8px; text-align: center; }
.match-meta { margin: 28px 0; font-size: 15px; }
.match-meta > div { display: grid; grid-template-columns: 70px minmax(0, 1fr); gap: 16px; margin: 9px 0; }
.match-meta dt { color: var(--muted); }
.match-meta dd { margin: 0; overflow-wrap: anywhere; }
.match-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-radius: 6px; background: var(--green); color: #fff; padding: 22px 0; }
.match-facts > div { padding: 0 24px; border-right: 1px solid #ffffff30; text-align: center; }
.match-facts > div:last-child { border: 0; }
.match-facts span { display: block; color: #e1e8df; font-size: 12px; margin-bottom: 5px; }
.match-facts strong { font-size: 25px; line-height: 1.4; font-weight: 500; font-variant-numeric: tabular-nums; }
.rule-section { border-top: 1px solid var(--line); padding: 32px 0 28px; scroll-margin-top: 100px; }
.rule-section h2 { display: flex; align-items: center; gap: 14px; font-family: inherit; font-size: 22px; letter-spacing: 0; font-weight: 600; margin-bottom: 20px; }
.rule-section h2 > span { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 34px; height: 34px; border-radius: 9px 9px 9px 2px; background: var(--green); color: #fff; font-size: 13px; font-weight: 600; letter-spacing: .04em; font-variant-numeric: tabular-nums; }
.rule-section p { font-size: 16px; line-height: 2; margin: 12px 0; overflow-wrap: anywhere; }
.rule-section h3 { font-family: inherit; font-size: 16px; font-weight: 600; margin: 24px 0 12px; }
.rule-section strong { font-weight: 600; }
.ranking-block { border: 1px solid var(--line); border-radius: 8px; background: var(--paper); padding: 20px 24px; margin: 24px 0; }
.ranking-block h3 { display: flex; align-items: center; gap: 10px; font-size: 13px; margin: 0 0 20px; color: var(--muted); font-weight: 500; }
.ranking-block h3:before { content: ''; width: 4px; height: 14px; border-radius: 2px; background: var(--gold); }
.ranking-order { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 0; list-style: none; counter-reset: rank; padding: 0; margin: 0; }
.ranking-order li { display: flex; align-items: center; gap: 8px; counter-increment: rank; max-width: 100%; font-size: 15px; line-height: 1.6; overflow-wrap: anywhere; }
.ranking-order li:not(:last-child) { padding-right: 18px; }
.ranking-order li:not(:last-child):after { content: '→'; margin-left: 10px; color: var(--muted); font-size: 15px; font-weight: 400; }
.ranking-order li:before { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 25px; height: 25px; border: 1px solid var(--line); border-radius: 50%; content: counter(rank); background: #fff; color: var(--green); font-size: 12px; font-weight: 600; font-variant-numeric: tabular-nums; }
.ranking-order li:first-child { color: var(--green); font-weight: 600; }
.ranking-order li:first-child:before { background: var(--green); border-color: var(--green); color: #fff; }
.score-scroll { max-width: 100%; overflow-x: auto; margin: 20px 0 0; border: 1px solid var(--line); border-radius: 4px; }
.score-scroll:focus-visible { outline: 3px solid var(--gold); outline-offset: 4px; }
.score-table { width: 100%; min-width: 635px; border-collapse: collapse; font-size: 13px; text-align: center; font-variant-numeric: tabular-nums; }
.score-table caption { text-align: left; font-size: 13px; padding: 12px 14px; background: var(--paper); }
.score-table th, .score-table td { padding: 10px 7px; border: 1px solid var(--line); white-space: nowrap; }
.score-table th { background: var(--wash); font-weight: 500; }
.score-table tr > :first-child { position: sticky; left: 0; border-left: 0; background: var(--wash); }
.score-table tr > :last-child { border-right: 0; }
.score-table tr:last-child > * { border-bottom: 0; }
.rule-section .table-hint { color: var(--muted); font-size: 12px; margin-top: 8px; }
.rules-end { display: flex; justify-content: space-between; align-items: center; gap: 20px; border-top: 1px solid var(--line); padding-top: 20px; font-size: 12px; color: var(--muted); }
.rules-end a { display: inline-flex; align-items: center; min-height: 44px; flex-shrink: 0; }
.rules-state { padding: 24px 0 48px; min-height: 320px; }
.rules-state #load-message { margin-top: 24px; }
.rules-state button { margin-top: 24px; min-height: 44px; padding: 8px 24px; border: 0; border-radius: 4px; background: var(--green); color: #fff; }
.no-script { padding: 24px 0; }
@media (max-width: 1050px) {
  .rules-layout { grid-template-columns: 174px minmax(0, 1fr); gap: 24px; }
  .rules-paper { padding: 32px 28px 20px; }
  .match-facts > div { padding: 0 16px; }
  .match-facts strong { font-size: 22px; }
}
@media (max-width: 800px) {
  .rules-layout { display: block; padding-top: 24px; }
  .rules-sidebar { position: static; margin-bottom: 24px; }
  .rules-sidebar nav ol { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 12px; }
  .rules-sidebar .eyebrow { margin-bottom: 8px; }
  .rules-sidebar summary { display: flex; align-items: center; gap: 16px; min-height: 44px; padding: 0; font-size: 14px; }
  .rules-sidebar summary span { color: var(--muted); font-size: 12px; }
  .rules-sidebar summary:after { content: '+'; margin-left: auto; }
  .rules-sidebar details[open] summary:after { content: '−'; }
  .rules-sidebar .back-top { display: none; }
  .rules-sidebar nav a { gap: 8px; }
}
@media (max-width: 600px) {
  .rules-header > .wrap { min-height: 68px; }
  .rules-header .brand strong { font-size: 21px; }
  .rules-header .brand img { width: 34px; height: 34px; }
  .rules-header .return-home { font-size: 12px; gap: 8px; }
  .rules-layout { width: 100%; padding-top: 20px; padding-bottom: 32px; }
  .rules-sidebar { margin: 0 20px 20px; }
  .rules-sidebar nav ol { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 16px; }
  .rules-sidebar nav a { font-size: 12px; }
  .rules-paper { padding: 28px 20px 16px; border-radius: 0; border-left: 0; border-right: 0; }
  .rules-title { padding-bottom: 28px; }
  .rules-title h1 { font-size: 27px; }
  .rules-subtitle { font-size: 18px; }
  .match-meta { margin: 24px 0; font-size: 14px; }
  .match-meta > div { grid-template-columns: 64px minmax(0, 1fr); gap: 12px; }
  .match-facts { padding: 16px 0; }
  .match-facts > div { padding: 0 12px; }
  .match-facts strong { font-size: 21px; }
  .rule-section { padding: 24px 0; scroll-margin-top: 88px; }
  .rule-section h2 { font-size: 20px; margin-bottom: 16px; gap: 10px; }
  .rule-section p { font-size: 15px; line-height: 1.95; }
  .ranking-block { padding: 18px; }
  .ranking-block h3 { margin-bottom: 18px; }
  .ranking-order { display: block; }
  .ranking-order li { position: relative; min-height: 28px; gap: 12px; }
  .ranking-order li:not(:last-child) { padding: 0 0 20px; }
  .ranking-order li:not(:last-child):after { content: ''; position: absolute; left: 12px; top: 29px; bottom: 4px; width: 1px; margin: 0; background: var(--line); }
  .ranking-order li:before { align-self: flex-start; }
  .rules-end { align-items: flex-start; flex-direction: column; gap: 0; }
}
@media (max-width: 360px) {
  .match-facts > div { padding: 0 10px; }
  .match-facts strong { font-size: 18px; }
}
@media print {
  .rules-header, .rules-sidebar, .footer, .rules-end a, .table-hint, .skip { display: none; }
  .rules-layout { display: block; width: 100%; padding: 0; }
  .rules-paper { border: 0; padding: 0; }
  .score-scroll { overflow: visible; }
  .score-table { min-width: 0; font-size: 10px; }
  .score-table th, .score-table td { padding: 6px 3px; }
  .match-facts { color: var(--ink); background: none; border: 1px solid var(--line); }
  .match-facts span { color: var(--muted); }
  .rule-section h2, .rule-section h3 { break-after: avoid; }
  .score-table { break-inside: avoid; }
}