/* The server's pages: mobile-first, system fonts, light and dark (auth-and-security.md §8). */
:root {
  --fg: #16181d;
  --bg: #ffffff;
  --muted: #5d6470;
  --line: #d8dbe0;
  --accent: #1f5fd6;
  --accent-fg: #ffffff;
  --danger: #b42318;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --fg: #e9ebef; --bg: #121417; --muted: #a0a6b0; --line: #2e3238; --accent: #6d9cff; --accent-fg: #0b0d10; --danger: #ff7b6e; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 36rem; margin: 0 auto; padding: 2rem 1rem 4rem; }
h1 { font-size: 1.35rem; line-height: 1.3; margin: 1.5rem 0 1rem; }
p { margin: 0 0 .75rem; }
label { display: block; color: var(--muted); font-size: .9rem; margin-bottom: .25rem; }
input, select { width: 100%; font: inherit; padding: .6rem .7rem; margin-bottom: 1rem; border: 1px solid var(--line); border-radius: .4rem; background: var(--bg); color: var(--fg); }
button { font: inherit; padding: .65rem 1.1rem; border: 0; border-radius: .4rem; background: var(--accent); color: var(--accent-fg); cursor: pointer; }
button.secondary { background: transparent; color: var(--fg); border: 1px solid var(--line); }
button:disabled { opacity: .5; cursor: default; }
.actions { display: flex; gap: .5rem; flex-wrap: wrap; }
.host { font-size: 1.9rem; font-weight: 700; line-height: 1.2; word-break: break-all; }
.code { font-family: ui-monospace, "Cascadia Mono", monospace; letter-spacing: .12em; }
.muted { color: var(--muted); font-size: .9rem; }
.break { word-break: break-all; }
.danger { color: var(--danger); }
#msg { min-height: 1.5em; }

/* Admin UI (auth-and-security.md §8.1) */
main:has(.nav) { max-width: 52rem; }
.nav { display: flex; flex-wrap: wrap; gap: .25rem .9rem; padding-bottom: .75rem; margin-bottom: 1rem; border-bottom: 1px solid var(--line); }
.nav a { color: var(--muted); text-decoration: none; padding: .2rem 0; }
.nav a[aria-current="page"] { color: var(--fg); border-bottom: 2px solid var(--accent); }
a { color: var(--accent); }
h2 { font-size: 1.05rem; margin: 1.25rem 0 .5rem; }
.lead { font-size: 1.2rem; }
.list { list-style: none; padding: 0; margin: 0 0 1rem; }
.list > li { padding: .6rem 0; border-bottom: 1px solid var(--line); }
ol.list { list-style: decimal inside; }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(9rem, 1fr)); gap: .6rem; margin: 1rem 0; }
.tile { display: block; padding: .8rem; border: 1px solid var(--line); border-radius: .5rem; color: var(--muted); text-decoration: none; font-size: .9rem; }
.tile .n { display: block; color: var(--fg); font-size: 1.5rem; font-weight: 600; }
.card { border: 1px solid var(--line); border-radius: .5rem; padding: .8rem 1rem; margin-bottom: 1rem; }
.card h2 { margin-top: 0; }
.banner { border: 2px solid var(--danger); border-radius: .5rem; padding: .8rem 1rem; margin-bottom: 1rem; }
form.alert { display: flex; justify-content: space-between; align-items: center; gap: .75rem; padding: .5rem .75rem; margin-bottom: .5rem; border-left: 3px solid var(--danger); background: color-mix(in srgb, var(--danger) 8%, transparent); }
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }
.filters input, .filters select { width: auto; flex: 1 1 10rem; margin: 0; }
.stack { display: grid; gap: .25rem; margin: .75rem 0; }
.stack input, .stack select, .stack textarea { margin-bottom: .5rem; }
textarea { width: 100%; font: inherit; padding: .6rem .7rem; border: 1px solid var(--line); border-radius: .4rem; background: var(--bg); color: var(--fg); }
form.inline { display: inline-flex; gap: .4rem; align-items: center; margin: .25rem .25rem 0 0; }
form.inline input, form.inline select { width: auto; margin: 0; }
.actions form { display: inline-block; }
button.danger-button { background: var(--danger); color: var(--accent-fg); }
input[type="checkbox"] { width: auto; margin: 0 .4rem 0 0; }
.table { width: 100%; border-collapse: collapse; font-size: .9rem; margin-bottom: 1rem; }
.table th, .table td { text-align: left; padding: .4rem .5rem; border-bottom: 1px solid var(--line); }
.result { display: grid; grid-template-columns: max-content 1fr; gap: .3rem .8rem; padding: .8rem; border: 1px solid var(--line); border-radius: .5rem; word-break: break-all; }
.result dt { color: var(--muted); }
.result dd { margin: 0; font-family: ui-monospace, "Cascadia Mono", monospace; }
.choices { border: 1px solid var(--line); border-radius: .4rem; padding: .4rem .6rem; margin: .4rem 0; display: flex; flex-wrap: wrap; gap: .3rem .9rem; }