:root {
  color-scheme: dark;
  --bg: #030712;
  --card: #0b0e16;
  --line: #1f2937;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #818cf8;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.7;
  font-size: 16px;
}

a { color: var(--accent); }

header.site {
  border-bottom: 1px solid var(--line);
  background: rgba(3, 7, 18, 0.92);
  position: sticky;
  top: 0;
  backdrop-filter: blur(8px);
}

.bar {
  max-width: 760px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  font-size: 17px;
  letter-spacing: -0.01em;
}

.bar nav {
  display: flex;
  gap: 14px;
  flex: 1;
  flex-wrap: wrap;
}

.bar nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
}

.bar nav a:hover, .bar nav a[aria-current="page"] { color: var(--accent); }

.lang { display: flex; gap: 4px; }

.lang button {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 12px;
  cursor: pointer;
  font-family: inherit;
}

.lang button[aria-pressed="true"] {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(129, 140, 248, 0.12);
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

h1 { font-size: 28px; margin: 0 0 4px; color: #fff; letter-spacing: -0.02em; }
h2 { font-size: 18px; margin: 36px 0 8px; color: #fff; }
h3 { font-size: 15px; margin: 24px 0 6px; color: #fff; }

.updated { color: #6b7280; font-size: 13px; margin: 0 0 28px; }

p, li { color: var(--text); }
ul { padding-left: 20px; }
li { margin-bottom: 6px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px;
  margin: 20px 0;
}

.card h2, .card h3 { margin-top: 0; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
  display: block;
  overflow-x: auto;
}

th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th { color: #fff; font-weight: 600; white-space: nowrap; }
td { color: var(--muted); }

.steps { counter-reset: step; list-style: none; padding-left: 0; }

.steps li {
  counter-increment: step;
  padding-left: 38px;
  position: relative;
  margin-bottom: 12px;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 1px;
  width: 26px;
  height: 26px;
  border-radius: 13px;
  background: rgba(129, 140, 248, 0.15);
  border: 1px solid rgba(129, 140, 248, 0.35);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}


footer.site {
  border-top: 1px solid var(--line);
  padding: 24px 20px 48px;
  text-align: center;
  color: #6b7280;
  font-size: 13px;
}

footer.site a { color: #6b7280; }

html[data-lang="es"] [lang="en"] { display: none; }
html[data-lang="en"] [lang="es"] { display: none; }