/* Walkwards : feuille unique, sans police externe ni script. */
:root { color-scheme: light dark; --fg: #1d1d1f; --bg: #ffffff; --muted: #5f6368; --line: #d9d9de; --accent: #0b6b3a; }
@media (prefers-color-scheme: dark) { :root { --fg: #f2f2f2; --bg: #121212; --muted: #a8a8ad; --line: #3a3a3e; --accent: #5fd08f; } }
* { box-sizing: border-box; }
body { margin: 0; font: 17px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--fg); background: var(--bg); }
main, header, footer { max-width: 46rem; margin: 0 auto; padding: 0 1rem; }
header { padding-top: 1rem; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: .95rem; }
header a.brand { font-weight: 700; text-decoration: none; color: var(--fg); }
h1 { font-size: 1.6rem; line-height: 1.25; margin: 1.5rem 0 .25rem; }
h2 { font-size: 1.2rem; margin: 2rem 0 .5rem; }
h3 { font-size: 1.05rem; margin: 1.5rem 0 .4rem; }
a { color: var(--accent); }
.version { color: var(--muted); margin: 0 0 1.5rem; }
.todo { background: #ffe14d; color: #000; font-weight: 700; padding: 0 .2em; border-radius: 3px; }
.draft { border: 2px dashed #c9a400; padding: .75rem 1rem; border-radius: 6px; margin: 1.5rem 0; }
table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; font-size: .95rem; }
th, td { border: 1px solid var(--line); padding: .4rem .5rem; text-align: left; vertical-align: top; }
dt { font-weight: 700; margin-top: 1.25rem; }
dd { margin: .25rem 0 0; }
footer { margin-top: 3rem; padding-bottom: 2rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }
footer a { margin-right: .75rem; display: inline-block; padding: .2rem 0; }