:root {
  --bg: #f2f5fb; --surface: #ffffff; --ink: #121a2b; --muted: #55607a;
  --line: rgba(18, 26, 43, 0.12); --accent: #2463eb; --soft: #e3ebfc;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0b0e14; --surface: #141925; --ink: #e9eef8; --muted: #a2adc4;
          --line: rgba(233, 238, 248, 0.12); --accent: #6f9dff; --soft: #172238; color-scheme: dark; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink);
       font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 48px 20px 80px; }
h1 { font-size: clamp(2rem, 6vw, 2.8rem); line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 8px; }
h2 { font-size: 1.3rem; margin: 44px 0 10px; letter-spacing: -0.01em; }
p, ul { margin: 0 0 14px; }
ul { padding-left: 1.2em; }
li { margin-bottom: 6px; }
a { color: var(--accent); }
.meta { color: var(--muted); margin-bottom: 28px; }
.summary { background: var(--soft); border-radius: 18px; padding: 20px 22px; }
.summary h2 { margin-top: 0; }
.summary ul { margin: 0; }
table { width: 100%; border-collapse: collapse; margin: 8px 0 16px; font-size: 0.95rem; }
th, td { text-align: left; vertical-align: top; padding: 10px 8px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; }
.table-wrap { overflow-x: auto; }
.cards { display: grid; gap: 14px; margin-top: 28px; }
.cards a { display: block; background: var(--surface); border: 1px solid var(--line); border-radius: 18px;
           padding: 18px 20px; text-decoration: none; color: var(--ink); }
.cards a strong { color: var(--accent); display: block; font-size: 1.1rem; }
.cards a span { color: var(--muted); }
footer { margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.9rem; }
footer a { margin-right: 14px; }
.topbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 36px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); text-decoration: none; }
.brand img { border-radius: 8px; }
.languages { display: flex; gap: 4px; }
.languages button { font: inherit; font-size: 14px; color: var(--ink); background: transparent; border: 1px solid transparent;
                    border-radius: 9px; padding: 6px 8px; cursor: pointer; }
.languages button span { font-size: 11px; font-weight: 650; }
.languages button[aria-pressed="true"] { background: var(--surface); border-color: var(--line); }
.note { color: var(--muted); font-size: 0.92rem; font-style: italic; }
.doc { display: none; }
html:not([data-lang]) .doc[lang="fr"], html[data-lang="fr"] .doc[lang="fr"],
html[data-lang="en"] .doc[lang="en"], html[data-lang="es"] .doc[lang="es"] { display: block; }