:root {
  color-scheme: light dark;
  --bg: #f6f6f4;
  --ink: #1d1d1b;
  --soft: #5f5f5a;
  --line: #d8d8d3;
  --box: #fff;
  --main: #1d1d1b;
  --on-main: #fff;
  --err: #a32020;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161615;
    --ink: #ececea;
    --soft: #a5a5a0;
    --line: #363634;
    --box: #20201f;
    --main: #ececea;
    --on-main: #161615;
    --err: #f09a9a;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main {
  max-width: 34rem;
  margin: 0 auto;
  padding: 18vh 16px 48px;
}
.busy main { visibility: hidden; animation: appear 0s 4s forwards; }
@keyframes appear { to { visibility: visible; } }
h1 { margin: 0 0 8px; font-size: 1.375rem; line-height: 1.3; font-weight: 600; overflow-wrap: anywhere; }
p { margin: 0 0 16px; }
.soft { color: var(--soft); }
.small { font-size: .875rem; }
.note { padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--box); }
.err { margin: 0; color: var(--err); font-size: .875rem; }
.err:not(:empty) { margin-bottom: 12px; }
form { margin: 0 0 16px; }
.field { display: block; margin-bottom: 12px; }
.field span { display: block; margin-bottom: 4px; font-size: .875rem; color: var(--soft); }
input {
  width: 100%;
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--box);
  color: var(--ink);
  font: inherit;
}
button {
  min-height: 36px;
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--box);
  color: var(--ink);
  font: inherit;
  font-size: .875rem;
  cursor: pointer;
}
button:disabled { opacity: .6; cursor: default; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
button.main {
  width: 100%;
  min-height: 44px;
  border-color: var(--main);
  background: var(--main);
  color: var(--on-main);
  font-size: 1rem;
  font-weight: 600;
}
.rows { margin: 16px 0; border: 1px solid var(--line); border-radius: 8px; background: var(--box); }
.row { display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; padding: 12px; }
.row + .row { border-top: 1px solid var(--line); }
.k { grid-column: 1 / -1; font-size: .8125rem; color: var(--soft); overflow-wrap: anywhere; }
.v { min-width: 0; align-self: center; overflow-wrap: anywhere; }
.pre { white-space: pre-wrap; }
.tools { display: flex; gap: 6px; align-items: flex-start; }
@media (max-width: 480px) {
  main { padding-top: 10vh; }
  .row { grid-template-columns: 1fr; gap: 6px; }
  .tools button { flex: 1; min-height: 44px; }
}