:root {
  color-scheme: light dark;
  --bg: #f5f6f8;
  --card: #ffffff;
  --ink: #1b1f24;
  --muted: #5b6570;
  --line: #d7dce2;
  --accent: #2f6fed;
  --danger: #c0392b;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14181d;
    --card: #1d232a;
    --ink: #e8ecf1;
    --muted: #a3adb8;
    --line: #303842;
    --accent: #6d9bff;
    --danger: #ff7b6b;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 1.5rem;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

header { max-width: 960px; margin: 0 auto 1rem; }

h1 { margin: 0; font-size: 1.5rem; }
h2 { margin: 0 0 .75rem; font-size: 1.1rem; }
h3 { margin: 1rem 0 .5rem; font-size: 1rem; }

.subtitle, .hint { color: var(--muted); font-size: .875rem; }

.card {
  max-width: 960px;
  margin: 0 auto 1rem;
  padding: 1rem 1.25rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.banner {
  padding: .6rem .75rem;
  margin-bottom: .75rem;
  border-left: 3px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  font-size: .85rem;
  border-radius: 4px;
}

form { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin-bottom: .5rem; }
form label { font-size: .8rem; color: var(--muted); }

input, select, textarea {
  padding: .45rem .55rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
}

textarea { width: 100%; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .8rem; }

button {
  padding: .45rem .8rem;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  cursor: pointer;
}

button:hover { filter: brightness(1.08); }

table { width: 100%; border-collapse: collapse; margin-top: .5rem; font-size: .875rem; }
th, td { text-align: left; padding: .4rem .5rem; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; }
td button { padding: .2rem .5rem; font-size: .8rem; background: transparent; color: var(--danger); border-color: var(--danger); }

.kv { display: grid; grid-template-columns: max-content 1fr; gap: .15rem .75rem; margin: .5rem 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

.status { min-height: 1.2em; font-size: .875rem; }
.status.error { color: var(--danger); }

.row { display: flex; gap: .5rem; margin-top: .5rem; }