:root {
  color-scheme: light dark;
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #1d2330;
  --muted: #5d6676;
  --border: #d5d9e0;
  --accent: #1f5fbf;
  --accent-text: #ffffff;
  --danger: #b42318;
  --info-bg: #e8f1fc;
  --error-bg: #fdecea;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c;
    --card: #1e232b;
    --text: #e7eaf0;
    --muted: #a0a8b6;
    --border: #3a414d;
    --accent: #6ea2ff;
    --accent-text: #0d1320;
    --danger: #ff8a80;
    --info-bg: #1d2b40;
    --error-bg: #3d1f1d;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 16px;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.card {
  width: 100%;
  max-width: 26rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
}
.card.wide { max-width: 64rem; }
.site { margin: 0 0 .25rem; color: var(--muted); font-size: .875rem; }
h1 { margin: 0 0 1.25rem; font-size: 1.5rem; }
h2 { margin: 2rem 0 .75rem; font-size: 1.15rem; }
label { display: block; margin-bottom: 1rem; font-weight: 600; }
label small { font-weight: 400; color: var(--muted); }
input, textarea {
  display: block;
  width: 100%;
  margin-top: .35rem;
  padding: .6rem .7rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  color: var(--text);
  font: inherit;
}
input[readonly] { color: var(--muted); }
input:focus-visible, textarea:focus-visible, button:focus-visible, a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}
button {
  padding: .6rem 1.1rem;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
button.danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
a { color: var(--accent); }
.links { margin: 1.25rem 0 0; font-size: .925rem; }
.notice { padding: .65rem .8rem; border-radius: 8px; background: var(--info-bg); overflow-wrap: anywhere; }
.notice.error { background: var(--error-bg); }
.table { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .925rem; }
th, td { text-align: left; padding: .5rem; border-bottom: 1px solid var(--border); vertical-align: top; }
td.actions { white-space: nowrap; }
form.inline { display: inline-block; margin: 0 .25rem .25rem 0; }
form.inline button { padding: .3rem .6rem; font-size: .85rem; }