/* Mobile first. One column, readable on a phone, widens on a desktop. */
:root { --fg: #1a1a1a; --bg: #fff; --muted: #666; --line: #ddd; --accent: #2a6cb0; --warn: #8a4b00; }
@media (prefers-color-scheme: dark) {
  :root { --fg: #eee; --bg: #121212; --muted: #aaa; --line: #333; --accent: #7fb3ff; --warn: #ffb760; }
}
* { box-sizing: border-box; }
html { font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--fg); background: var(--bg); }
body { margin: 0; }
a { color: var(--accent); }
.site-header { display: flex; align-items: center; justify-content: space-between; padding: .75rem 1rem; border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; text-decoration: none; color: var(--fg); font-size: 1.2rem; }
.site-header nav { display: flex; gap: 1rem; align-items: center; }
.who { color: var(--muted); }
main { max-width: 40rem; margin: 0 auto; padding: 1rem; }
h1 { font-size: 1.5rem; margin: .5rem 0 1rem; }
h2 { font-size: 1.15rem; margin: 1.5rem 0 .5rem; }
.muted { color: var(--muted); }
.error { color: #b00020; }
.badge { color: var(--warn); }
button, input[type=text], input[type=password] { font: inherit; padding: .6rem .8rem; border: 1px solid var(--line); border-radius: .4rem; background: var(--bg); color: var(--fg); width: 100%; }
button { background: var(--accent); color: #fff; border-color: var(--accent); cursor: pointer; }
button.link { background: none; border: none; color: var(--accent); width: auto; padding: 0; text-decoration: underline; }
form.stack { display: grid; gap: .5rem; }
form.stack label { margin-top: .5rem; }
ul.cards { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; }
ul.cards a { display: block; padding: .75rem 1rem; border: 1px solid var(--line); border-radius: .5rem; text-decoration: none; color: var(--fg); }
ul.cards .meta { display: block; color: var(--muted); font-size: .9rem; }
dl.attrs { display: grid; grid-template-columns: max-content 1fr; gap: .25rem 1rem; }
dl.attrs dt { color: var(--muted); }
dl.attrs dd { margin: 0; }
table.sizes { width: 100%; border-collapse: collapse; }
table.sizes th, table.sizes td { text-align: left; padding: .4rem .5rem; border-bottom: 1px solid var(--line); }
.pager { display: flex; gap: 1rem; justify-content: center; margin-top: 1rem; }
ul.messages { list-style: none; padding: 0; }