/* GAME RULES overlay. Paginated, in-game, opened from the race view toolbar. */
.rules-dialog{
  width:min(980px,calc(100vw - 32px));max-width:980px;
  padding:0;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--surface);color:var(--text);overflow:hidden;
}
.rules-dialog::backdrop{background:#05060acc;backdrop-filter:blur(6px)}
.rules-dialog[open]{display:flex;flex-direction:column;max-height:calc(100vh - 32px)}

.rules-head{
  display:flex;align-items:flex-start;gap:16px;
  padding:22px 24px 16px;border-bottom:1px solid var(--line);background:var(--raised);
}
.rules-head>div{flex:1;min-width:0}
.rules-head h2{font-size:20px;letter-spacing:-.5px;text-transform:uppercase}
.rules-head p{margin-top:6px;color:var(--muted);font-size:12px;line-height:1.6}
.rules-close{
  flex:none;width:34px;height:34px;display:grid;place-items:center;
  border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--text);font-size:15px;
}
.rules-close:hover{border-color:var(--purple);color:var(--purple)}

.rules-body{padding:24px;overflow-y:auto;flex:1}
.rules-page[hidden]{display:none}
.rules-page>p{color:var(--muted);font-size:13px;line-height:1.7;max-width:70ch}
.rules-page>p+p{margin-top:12px}
.rules-page strong{color:var(--text)}
.rules-page em{color:var(--lime);font-style:normal}

/* Page 1 — the six runners, deliberately identical. */
.rules-runners{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:20px}
.rules-runner{
  display:flex;align-items:center;gap:12px;
  padding:12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);
}
.rules-runner img{width:56px;height:56px;object-fit:contain;flex:none}
.rules-runner-name{font:10px 'JetBrains Mono',monospace;letter-spacing:1.2px;color:var(--muted);display:block}
.rules-odds{font-size:17px;font-weight:800;letter-spacing:-.4px;color:var(--lime);display:block;margin-top:3px}

/* Pool split bar. */
.rules-split{display:flex;height:34px;border-radius:8px;overflow:hidden;margin:4px 0 16px;border:1px solid var(--line)}
.rules-split span{
  display:grid;place-items:center;font:10px 'JetBrains Mono',monospace;letter-spacing:.6px;color:var(--bg);font-weight:700;
}
.rules-split .s-prize{flex:80;background:var(--lime)}
.rules-split .s-lock{flex:10;background:var(--purple)}
.rules-split .s-dev{flex:5;background:#5b6480;color:var(--text)}
.rules-split .s-burn{flex:5;background:#3a3040;color:var(--text)}
.rules-legend{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:10px;margin-top:4px}
.rules-legend div{padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg)}
.rules-legend dt{font:10px 'JetBrains Mono',monospace;letter-spacing:1.1px;color:var(--muted)}
.rules-legend dd{margin:4px 0 0;font-size:12px;line-height:1.55}

/* Worked example table. */
.rules-example{width:100%;border-collapse:collapse;margin:14px 0 6px;font-size:13px}
.rules-example caption{
  text-align:left;font:10px 'JetBrains Mono',monospace;letter-spacing:1.2px;
  color:var(--muted);padding-bottom:8px;
}
.rules-example th,.rules-example td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:right}
.rules-example th:first-child,.rules-example td:first-child{text-align:left}
.rules-example thead th{font:10px 'JetBrains Mono',monospace;letter-spacing:1.1px;color:var(--muted);font-weight:400}
.rules-example tfoot td{border-bottom:0;color:var(--lime);font-weight:700}
.rules-example tbody td:last-child{font-variant-numeric:tabular-nums;font-weight:700}

.rules-note{
  margin-top:16px;padding:12px 14px;border:1px solid var(--line);
  border-left:3px solid var(--purple);border-radius:8px;background:var(--bg);
  font-size:12px;line-height:1.65;color:var(--muted);
}

.rules-foot{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 24px;border-top:1px solid var(--line);background:var(--raised);
}
.rules-nav{display:flex;align-items:center;gap:10px}
.rules-nav button{
  width:38px;height:34px;display:grid;place-items:center;
  border:1px solid var(--line);border-radius:6px;background:var(--surface);color:var(--text);font-size:12px;
}
.rules-nav button:hover:not(:disabled){border-color:var(--lime);color:var(--lime)}
.rules-nav button:disabled{opacity:.35;cursor:default}
.rules-count{font:10px 'JetBrains Mono',monospace;letter-spacing:1.2px;color:var(--muted)}
.rules-dots{display:flex;gap:6px}
.rules-dots button{
  width:8px;height:8px;padding:0;border:0;border-radius:50%;
  background:var(--line);cursor:pointer;transition:background .18s,transform .18s;
}
.rules-dots button[aria-current=true]{background:var(--lime);transform:scale(1.25)}

@media(max-width:720px){
  .rules-runners{grid-template-columns:repeat(2,1fr);gap:12px}
  .rules-runner img{width:44px;height:44px}
  .rules-body{padding:18px 16px}
  .rules-head{padding:18px 16px 14px}
  .rules-foot{padding:12px 16px}
  .rules-dots{display:none}
  .rules-example th,.rules-example td{padding:8px 6px;font-size:12px}
}
@media(prefers-reduced-motion:reduce){
  .rules-dots button{transition:none}
}