/* Estilos del sitio */
:root {
  --bg: #f5f6fa; --card: #fff; --ink: #141a2e; --muted: #4b5470; --line: #dde1ec;
  --navy: #0b3d91; --navy-soft: #e7edf9; --red: #d62839; --gold: #f4b400;
  --radius: 12px; color-scheme: light;
  --font: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0e1220; --card: #171c2e; --ink: #e8ebf5; --muted: #a8b0c8; --line: #2a3147; --navy: #8fb0ff; --navy-soft: #1c2747; --red: #ff6b7a; color-scheme: dark; }
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 1.0625rem/1.6 var(--font); }
a { color: var(--navy); text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; border-radius: 4px; }
.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }
.narrow { width: min(760px, 100% - 32px); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--card); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 16px; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.015em; text-wrap: balance; }
h1 { font-size: clamp(1.9rem, 5vw, 2.8rem); font-weight: 800; margin: 0 0 10px; }
h2 { font-size: clamp(1.3rem, 3vw, 1.65rem); font-weight: 750; margin: 2em 0 .7em; }
h2 a { color: inherit; text-decoration: none; }
h2 a:hover { text-decoration: underline; }
h3 { font-size: 1.05rem; margin: 0 0 4px; }

/* Cabecera */
.top { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.top-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 60px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; color: var(--ink); font-size: 1.2rem; }
.brand b, .foot-brand b { color: var(--red); font-weight: 800; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a { padding: 8px 12px; border-radius: 999px; text-decoration: none; color: var(--ink); font-weight: 600; font-size: .95rem; }
.nav a:hover { background: var(--navy-soft); }
@media (max-width: 720px) {
  .top { position: static; }
  .nav { width: 100%; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 8px; }
  .nav a { white-space: nowrap; background: var(--navy-soft); }
}

/* Encabezados de página */
.hero { padding: 40px 0 8px; }
.hero h1 { font-size: clamp(2.2rem, 6vw, 3.4rem); }
.head { margin: 18px 0 8px; }
.lead { font-size: 1.15rem; color: var(--muted); margin: 0 0 16px; max-width: 46rem; }
.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 20px 0 0; font-size: .9rem; color: var(--muted); }
.crumbs li + li::before { content: '/'; margin-right: 6px; opacity: .6; }
.crumbs a { color: var(--muted); }
.btn { display: inline-block; padding: 12px 18px; border-radius: 10px; background: var(--navy); color: #fff; font-weight: 700; text-decoration: none; border: 2px solid var(--navy); margin: 4px 6px 4px 0; cursor: pointer; font: inherit; font-weight: 700; }
.btn.ghost { background: transparent; color: var(--navy); }
@media (prefers-color-scheme: dark) { .btn { color: #0e1220; } .btn.ghost { color: var(--navy); } }

/* Tarjetas de resultados */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.card h3 a { color: var(--ink); text-decoration: none; }
.card h3 a:hover { color: var(--navy); text-decoration: underline; }
.slot { font-size: .8rem; font-weight: 700; color: var(--navy); background: var(--navy-soft); padding: 2px 8px; border-radius: 999px; vertical-align: 2px; }
.when { margin: 0 0 10px; font-size: .9rem; }
.when a { color: var(--muted); }
.dp { margin: 8px 0 0; font-size: .88rem; color: var(--muted); }
.next { margin: 14px 0 0; font-weight: 600; color: var(--muted); }

/* Bolas */
.balls { display: inline-flex; flex-wrap: wrap; gap: 6px; vertical-align: middle; }
.ball { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--card); border: 2px solid var(--ink); font-weight: 800; font-variant-numeric: tabular-nums; font-size: 1.05rem; }
.ball.bonus { background: var(--red); border-color: var(--red); color: #fff; }
.digits .ball { border-radius: 10px; background: var(--gold); border-color: var(--gold); color: #141a2e; }
.digits .ball.bonus { background: var(--red); border-color: var(--red); color: #fff; }
.balls.sm .ball, .freq .ball { width: 30px; height: 30px; font-size: .85rem; border-width: 1.5px; }
.card .ball { width: 36px; height: 36px; font-size: 1rem; }
.legend { margin: 8px 0 0; font-size: .82rem; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.legend .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--red); }
.mult { display: inline-block; font-size: .85rem; color: var(--muted); margin-left: 4px; }
.mult b { color: var(--ink); }

/* Tablas y secciones */
.table { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { background: var(--navy-soft); font-size: .9rem; }
tr:last-child td { border-bottom: 0; }
td:first-child { white-space: nowrap; }
details.more { margin-top: 12px; }
details.more summary { cursor: pointer; font-weight: 700; color: var(--navy); padding: 8px 0; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.freq { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.freq li { display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: .8rem; color: var(--muted); }
.note { font-size: .9rem; color: var(--muted); }
.prose { max-width: 46rem; }
.prose li { margin: 4px 0; }
.links { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.links a { display: inline-block; padding: 8px 14px; background: var(--card); border: 1px solid var(--line); border-radius: 999px; text-decoration: none; font-weight: 600; color: var(--ink); }
.links a:hover { border-color: var(--navy); color: var(--navy); }
.links.big a { padding: 14px 22px; font-size: 1.1rem; }
.links.days a { padding: 6px 12px; font-size: .9rem; }
.pager { display: flex; justify-content: space-between; margin: 28px 0; font-weight: 700; }
.faq details { border-bottom: 1px solid var(--line); max-width: 46rem; }
.faq summary { cursor: pointer; padding: 14px 0; font-weight: 650; }
.faq details > div { padding-bottom: 10px; }
.checker { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; max-width: 560px; display: grid; gap: 8px; }
.checker label { font-weight: 700; }
.checker select, .checker input { font: inherit; padding: 12px; border: 1.5px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink); width: 100%; }
.help { margin: 0; font-size: .88rem; color: var(--muted); }

/* Pie */
.foot { margin-top: 64px; background: var(--card); border-top: 1px solid var(--line); padding: 36px 0 20px; font-size: .94rem; color: var(--muted); }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 28px; }
.foot-brand { font-size: 1.15rem; color: var(--ink); margin: 0 0 8px; }
.foot-title { font-weight: 700; color: var(--ink); margin: 0 0 8px; }
.foot ul { list-style: none; padding: 0; margin: 0; }
.foot li { margin: 4px 0; }
.foot a { color: var(--muted); }
.resp { font-size: .88rem; }
.foot-end { margin-top: 24px; padding-top: 14px; border-top: 1px solid var(--line); font-size: .85rem; }
@media (max-width: 760px) { .foot-grid, .two { grid-template-columns: 1fr; } }