/* Shared style of the /learn guides; colours match the exercise page. */
:root { --bg:#f4f6f8; --card:#fff; --ink:#1d2329; --muted:#5f6b75; --line:#dde3e8; --accent:#1c6e73; --code:#eef2f4; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --bg:#11181b; --card:#182226; --ink:#e6edf0; --muted:#9aabb2; --line:#28363a; --accent:#56b8b4; --code:#22303a; } }
:root[data-theme="dark"] { --bg:#11181b; --card:#182226; --ink:#e6edf0; --muted:#9aabb2; --line:#28363a; --accent:#56b8b4; --code:#22303a; }
body { font-family: -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--ink); margin: 0; line-height: 1.6; }
a { color: var(--accent); }
.top { max-width: 760px; margin: 0 auto; padding: 16px 16px 0; font-size: .9rem; color: var(--muted); }
.top a { text-decoration: none; font-weight: 600; }
main { max-width: 760px; margin: 0 auto; padding: 8px 16px 48px; }
article, .card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 20px 22px; }
h1 { font-size: 1.6rem; line-height: 1.25; margin: 0 0 8px; }
h2 { font-size: 1.15rem; margin: 28px 0 8px; }
h3 { font-size: 1rem; margin: 20px 0 6px; }
.lede { font-size: 1.05rem; }
.meta { color: var(--muted); font-size: .85rem; margin: 0 0 16px; }
code { background: var(--code); border-radius: 4px; padding: 1px 5px; font-size: .9em; overflow-wrap: anywhere; }
pre { background: var(--code); border-radius: 6px; padding: 10px 12px; overflow-x: auto; font-size: .85rem; line-height: 1.45; }
pre code { background: none; padding: 0; font-size: inherit; overflow-wrap: normal; }
.table { overflow-x: auto; margin: 10px 0; }
table { border-collapse: collapse; width: 100%; font-size: .9rem; }
th, td { border-bottom: 1px solid var(--line); padding: 7px 8px; text-align: left; vertical-align: top; }
th { font-weight: 600; }
.try { margin: 28px 0 0; padding: 14px 16px; border: 1px solid var(--accent); border-radius: 8px; }
.try a.btn { display: inline-block; margin-top: 6px; padding: 8px 14px; border-radius: 6px; background: var(--accent); color: var(--card); text-decoration: none; }
ul.guides { list-style: none; padding: 0; margin: 0; }
ul.guides li { padding: 10px 0; border-bottom: 1px solid var(--line); }
ul.guides li:last-child { border-bottom: 0; }
ul.guides span { display: block; color: var(--muted); font-size: .9rem; }
.more { margin-top: 20px; }