:root {
  --ground: #F4F6F8; --surface: #FFFFFF; --line: #DDE2E8; --ink: #14181D; --muted: #5A6472;
  --accent: #1F4FBF; --accent-soft: #E8EEFB; --pass: #136B45; --pass-soft: #E3F3EA;
  --fail: #A8321A; --fail-soft: #FBE7E1; --warn: #7A4E00; --warn-soft: #FFF1D6; --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ground: #12161B; --surface: #1A2027; --line: #2C3540; --ink: #E7EBF0; --muted: #9AA5B2;
    --accent: #7FA2F0; --accent-soft: #1E2A44; --pass: #6FCF9E; --pass-soft: #15301F;
    --fail: #F08C74; --fail-soft: #3A1F18; --warn: #F2C26B; --warn-soft: #3A2E14;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--ground); color: var(--ink); font: 14px/1.45 system-ui, -apple-system, 'Segoe UI', sans-serif; }
.top { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 24px; background: var(--surface); border-bottom: 1px solid var(--line); }
.content { padding: 20px 24px 48px; display: flex; flex-direction: column; gap: 16px; max-width: 1400px; margin: 0 auto; }
@media (max-width: 640px) { .top, .content { padding-left: 16px; padding-right: 16px; } }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; overflow-x: auto; }
.card h2 { margin: 0 0 12px; font-size: 16px; }
.row { display: flex; gap: 16px; flex-wrap: wrap; align-items: flex-start; }
.row > .card { flex: 1 1 420px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.mono { font-family: ui-monospace, 'Cascadia Mono', monospace; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12px; }
tr.sel td { background: var(--accent-soft); }
tr.click { cursor: pointer; }
form { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
input, select { font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 7px 9px; min-width: 0; }
input.narrow { width: 90px; }
button { font: inherit; border: 1px solid var(--line); background: var(--surface); color: var(--ink); border-radius: 8px; padding: 7px 12px; cursor: pointer; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { color: var(--fail); }
button.small { padding: 3px 8px; font-size: 12px; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; background: var(--accent-soft); }
.chip.ok { background: var(--pass-soft); color: var(--pass); }
.chip.bad { background: var(--fail-soft); color: var(--fail); }
.chip.warn { background: var(--warn-soft); color: var(--warn); }
.banner { padding: 10px 14px; border-radius: var(--radius); border: 1px solid var(--line); }
.banner.error { background: var(--fail-soft); color: var(--fail); }
.banner.ok { background: var(--pass-soft); color: var(--pass); }
.key { font-size: 18px; letter-spacing: 1px; user-select: all; }
.login { max-width: 380px; margin: 40px auto; }
.login form { flex-direction: column; align-items: stretch; }