/* Keyroom K0. System fonts only, so the page loads nothing from anyone else. */
:root {
  color-scheme: light;
  --paper: oklch(98.6% 0.005 250);
  --paper-2: oklch(96% 0.008 252);
  --ink: oklch(21% 0.028 262);
  --ink-2: oklch(36% 0.022 260);
  --muted: oklch(47% 0.018 258);
  --rule: oklch(88% 0.01 252);
  --accent: oklch(52% 0.19 258);
  --accent-ink: oklch(98.6% 0.005 250);
  --ok: oklch(46% 0.12 150);
  --ok-wash: oklch(96% 0.04 150);
  --bad: oklch(50% 0.19 27);
  --bad-wash: oklch(96% 0.03 27);
  --wait-wash: oklch(95% 0.028 256);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --paper: oklch(18% 0.02 262);
    --paper-2: oklch(22% 0.022 262);
    --ink: oklch(94% 0.01 250);
    --ink-2: oklch(85% 0.014 252);
    --muted: oklch(73% 0.018 256);
    --rule: oklch(32% 0.022 262);
    --accent: oklch(72% 0.14 256);
    --accent-ink: oklch(16% 0.03 262);
    --ok: oklch(78% 0.13 150);
    --ok-wash: oklch(26% 0.05 150);
    --bad: oklch(74% 0.15 27);
    --bad-wash: oklch(26% 0.05 27);
    --wait-wash: oklch(27% 0.06 260);
  }
}
* { box-sizing: border-box; }
html, body { overflow-x: clip; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.55 var(--font); -webkit-font-smoothing: antialiased; }
main { max-width: 760px; margin: 0 auto; padding: 40px max(16px, env(safe-area-inset-right, 0px)) 64px max(16px, env(safe-area-inset-left, 0px)); display: flex; flex-direction: column; gap: 20px; }
h1, h2 { margin: 0; line-height: 1.15; letter-spacing: -0.02em; text-wrap: balance; }
h1 { font-size: 1.9rem; }
h2 { font-size: 1.15rem; }
p { margin: 0; text-wrap: pretty; }
header { display: flex; flex-direction: column; gap: 10px; }
.lead { color: var(--ink-2); font-size: 1.05rem; }
.meta { color: var(--muted); font-size: 0.875rem; }
.card { border: 1px solid var(--rule); border-radius: 10px; background: var(--paper-2); padding: 18px; display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
label { font-size: 0.875rem; color: var(--ink-2); }
input[type="text"] { width: 100%; max-width: 360px; min-height: 44px; padding: 0 12px; border: 1px solid var(--muted); border-radius: 6px; background: var(--paper); color: var(--ink); font: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn { min-height: 44px; padding: 0 18px; border: 1px solid var(--muted); border-radius: 6px; background: var(--paper); color: var(--ink); font: 600 1rem/1 var(--font); cursor: pointer; }
.btn:hover { border-color: var(--accent); }
.btn--primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn--small { min-height: 36px; padding: 0 12px; font-size: 0.875rem; }
.btn:disabled { opacity: 0.55; cursor: progress; }
.result, .verdict { padding: 12px 14px; border-radius: 8px; border: 1px solid var(--rule); background: var(--wait-wash); }
[data-kind="ok"] { background: var(--ok-wash); border-color: var(--ok); }
[data-kind="bad"] { background: var(--bad-wash); border-color: var(--bad); }
.results { display: flex; flex-direction: column; gap: 12px; }
.results-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.tbl { overflow-x: auto; border: 1px solid var(--rule); border-radius: 8px; }
table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
th { text-align: left; font-weight: 600; color: var(--muted); background: var(--paper-2); padding: 8px 10px; border-bottom: 1px solid var(--rule); white-space: nowrap; }
td { padding: 8px 10px; border-bottom: 1px solid var(--rule); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
td.mono { font-family: var(--mono); white-space: nowrap; }
td.ok { color: var(--ok); font-weight: 600; }
td.bad { color: var(--bad); font-weight: 600; }
td.empty { color: var(--muted); }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }