:root {
  --bg: #f6f7f9; --card: #fff; --text: #1d2330; --muted: #667085; --border: #e3e6eb;
  --accent: #2459d6; --ok: #127a3a; --ok-bg: #e5f5eb; --warn: #8a5a00; --warn-bg: #fff3d6;
  --err: #b42318; --err-bg: #fdecea;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151b; --card: #1b1f27; --text: #e7e9ee; --muted: #9aa3b2; --border: #2c323d;
    --accent: #7aa2ff; --ok: #6ee7a0; --ok-bg: #173323; --warn: #f5c56b; --warn-bg: #3a2e12;
    --err: #ff8a80; --err-bg: #3b1a1a;
  }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--accent); }
.top { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between; padding: .75rem 1.25rem; background: var(--card); border-bottom: 1px solid var(--border); }
.brand { font-weight: 700; text-decoration: none; color: var(--text); }
nav { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }
nav a { text-decoration: none; }
main { max-width: 1200px; margin: 1.5rem auto; padding: 0 1rem; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 1.25rem 1.5rem; margin-bottom: 1.25rem; }
.card.narrow { max-width: 420px; margin: 3rem auto; }
h1 { font-size: 1.4rem; margin: 0 0 1rem; } h2 { font-size: 1.1rem; margin: 0 0 .75rem; }
h1 small { color: var(--muted); font-weight: 400; }
label { display: block; margin-bottom: .9rem; font-weight: 500; }
label small { color: var(--muted); font-weight: 400; }
input[type=text], input[type=email], input[type=password], input[type=url], input:not([type]) {
  display: block; width: 100%; margin-top: .3rem; padding: .55rem .7rem; border: 1px solid var(--border);
  border-radius: 6px; background: var(--bg); color: var(--text); font: inherit;
}
input[readonly] { opacity: .7; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 0 1.25rem; }
fieldset.checks { border: 0; padding: 0; margin: 0 0 1rem; }
fieldset.checks label { font-weight: 400; margin-bottom: .4rem; }
button, .button { display: inline-block; padding: .55rem 1rem; border-radius: 6px; border: 1px solid var(--accent); background: var(--accent); color: #fff; font: inherit; cursor: pointer; text-decoration: none; }
button.secondary, .button.secondary { background: transparent; color: var(--accent); }
button.danger { background: var(--err); border-color: var(--err); }
button.link { background: none; border: 0; color: var(--accent); padding: 0; }
form.inline { display: inline-flex; gap: .5rem; align-items: center; margin: 0; }
label.confirm { display: inline; margin: 0; font-weight: 400; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; margin-top: 1rem; }
.flash { padding: .6rem .9rem; border-radius: 6px; }
.flash.ok { background: var(--ok-bg); color: var(--ok); } .flash.error { background: var(--err-bg); color: var(--err); }
.hint { color: var(--muted); font-size: .9rem; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .55rem .6rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); }
small { color: var(--muted); }
.badge { display: inline-block; padding: .1rem .5rem; border-radius: 999px; font-size: .8rem; font-weight: 600; }
.badge.ok { background: var(--ok-bg); color: var(--ok); } .badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.error { background: var(--err-bg); color: var(--err); } .badge.muted { background: var(--border); color: var(--muted); }
.tag { display: inline-block; padding: 0 .4rem; border: 1px solid var(--border); border-radius: 4px; font-size: .75rem; color: var(--muted); }
dl.meta { display: grid; grid-template-columns: max-content 1fr; gap: .3rem 1.25rem; }
dl.meta dt { color: var(--muted); }
dl.meta dd { margin: 0; }
pre { background: var(--bg); padding: .75rem; border-radius: 6px; overflow-x: auto; font-size: .8rem; }
details { margin-bottom: .5rem; }
.qr { max-width: 220px; margin: 1rem auto; background: #fff; padding: .5rem; border-radius: 8px; }
.qr svg { width: 100%; height: auto; display: block; }
code.secret { word-break: break-all; }
label.warn { color: var(--warn); }