/* Personal Brain: plain and calm. First version, awaiting Ernest's design review (decision 15). */
:root {
  --bg: #f7f6f3; --card: #ffffff; --ink: #1f2328; --muted: #646b73; --line: #e2dfd8;
  --accent: #2f6f5e; --accent-ink: #ffffff; --warn: #a15c00; --bad: #b42318; --good: #1e7b45;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--ink); background: var(--bg);
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #161817; --card: #1f2221; --ink: #e8e6e1; --muted: #9aa09c; --line: #333836; --accent: #5fae97; --accent-ink: #0d1110; }
}
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.5; }
[hidden] { display: none !important; }
h1 { font-size: 1.5rem; margin: 0 0 1rem; }
h2 { font-size: 1.35rem; margin: 0 0 1rem; }
h3 { font-size: 1rem; margin: 1.5rem 0 .5rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
h4 { margin: 1.5rem 0 .5rem; }
button { font: inherit; cursor: pointer; border: 0; border-radius: 8px; padding: .6rem 1rem; background: var(--accent); color: var(--accent-ink); }
button.quiet, nav button { background: transparent; color: var(--ink); border: 1px solid var(--line); }
nav button.on, .subnav button.on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
input { font: inherit; width: 100%; padding: .6rem .7rem; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--ink); margin: .25rem 0 1rem; }
label { display: block; font-weight: 600; }
code { background: var(--bg); padding: .1rem .3rem; border-radius: 4px; word-break: break-all; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 1.5rem; }
.narrow { max-width: 420px; margin: 10vh auto; }
#mfa-qr { display: block; width: 200px; height: 200px; margin: 1rem auto; background: #fff; border-radius: 8px; }
.note { color: var(--muted); font-size: .9rem; }
.empty { color: var(--muted); }

header { display: flex; align-items: center; gap: 1rem; padding: .75rem 1.25rem; background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; }
.brand { font-weight: 700; }
header nav { display: flex; gap: .5rem; flex: 1; }
.screen { max-width: 860px; margin: 0 auto; padding: 1.5rem 1.25rem 4rem; }
.subnav { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }

.items { list-style: none; padding: 0; margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
.items li { display: flex; gap: 1rem; padding: .7rem 1rem; border-top: 1px solid var(--line); align-items: baseline; }
.items li:first-child { border-top: 0; }
.when { width: 7.5rem; flex: none; color: var(--muted); font-size: .9rem; }
.what { flex: 1; }
.tag { font-size: .8rem; color: var(--muted); border: 1px solid var(--line); border-radius: 99px; padding: 0 .5rem; }

.alert { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--warn); border-radius: 10px; padding: .8rem 1rem; margin-bottom: .6rem; }
.alert.urgent { border-left-color: var(--bad); }
.alert.info { border-left-color: var(--muted); }
.alert p { margin: .3rem 0; }
.alert .action { font-weight: 600; }

table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
th, td { text-align: left; padding: .55rem .8rem; border-top: 1px solid var(--line); vertical-align: top; }
th { background: var(--bg); font-size: .85rem; color: var(--muted); }
td p { margin: .2rem 0; }
td.pass { color: var(--good); font-weight: 600; }
td.fail { color: var(--bad); font-weight: 600; }
td.info, td.none { color: var(--muted); }

.doc { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 1rem 1.5rem; overflow-x: auto; }
.doc table { font-size: .9rem; }
.doc pre { background: var(--bg); padding: .8rem; border-radius: 8px; overflow-x: auto; font-size: .85rem; }

#toast { position: fixed; left: 50%; bottom: 1.5rem; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: .7rem 1.1rem; border-radius: 10px; max-width: 90vw; }

@media (max-width: 600px) {
  header { flex-wrap: wrap; padding: .6rem .8rem; }
  .when { width: 5.5rem; }
  .items li { flex-wrap: wrap; gap: .3rem .8rem; }
}