:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1c2430;
  --muted: #667085;
  --line: #e4e7ec;
  --primary: #0f766e;
  --primary-ink: #ffffff;
  --danger: #b42318;
  --warn-bg: #fff6e5;
  --warn-ink: #8a5a00;
  --ok-bg: #e7f6f2;
  --ok-ink: #0b5a53;
  --err-bg: #fdecea;
  --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11151b;
    --card: #1a2029;
    --text: #e6e9ee;
    --muted: #98a2b3;
    --line: #2a313c;
    --primary: #2bb3a5;
    --primary-ink: #08201d;
    --warn-bg: #3a2d10;
    --warn-ink: #f5c86b;
    --ok-bg: #12332f;
    --ok-ink: #8ee0d5;
    --err-bg: #3d1a17;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; width: 100%; max-width: 1100px; margin: 0 auto; padding: 16px; }
h1 { font-size: 1.4rem; margin: 0 0 12px; }
h2 { font-size: 1.05rem; margin: 0 0 8px; }
code { background: var(--line); padding: 1px 5px; border-radius: 4px; font-size: .9em; }
a { color: var(--primary); }
[hidden] { display: none !important; }

.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 16px; background: var(--card); border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.logo {
  width: 32px; height: 32px; border-radius: 8px; display: grid; place-items: center;
  background: var(--primary); color: var(--primary-ink); font-weight: 800;
}
.who { display: flex; align-items: center; gap: 10px; font-size: .9rem; color: var(--muted); min-width: 0; }
.who span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; margin-bottom: 16px;
}
.card.narrow { max-width: 520px; margin: 32px auto; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); align-items: start; }
.grid .card { margin: 0; }

.choice { border-top: 1px solid var(--line); padding-top: 14px; margin-top: 14px; }

.btn {
  font: inherit; border: 1px solid var(--line); background: var(--card); color: var(--text);
  padding: 9px 16px; border-radius: 8px; cursor: pointer; white-space: nowrap;
}
.btn:hover { filter: brightness(0.97); }
.btn:disabled { opacity: .55; cursor: default; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); font-weight: 600; }
.btn.ghost { background: transparent; }
.btn.small { padding: 4px 10px; font-size: .85rem; }
.btn.big { width: 100%; padding: 12px; font-size: 1rem; margin: 8px 0; }
.btn.link { border: 0; background: none; color: var(--danger); padding: 2px 6px; font-size: .85rem; }

.row { display: flex; gap: 8px; margin: 10px 0; }
input[type=text], input[type=email] {
  flex: 1; min-width: 0; font: inherit; padding: 9px 12px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--bg); color: var(--text);
}
input:focus { outline: 2px solid var(--primary); outline-offset: 1px; }

.facts { display: grid; grid-template-columns: max-content 1fr; gap: 4px 12px; margin: 8px 0; font-size: .92rem; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; overflow-wrap: anywhere; }

.entries, .people { list-style: none; padding: 0; margin: 0; }
.entries li, .people li {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 8px;
  padding: 8px 0; border-top: 1px solid var(--line);
}
.entries .meta, .people .meta { font-size: .8rem; color: var(--muted); }
.empty { color: var(--muted); font-size: .9rem; padding: 8px 0; }

.status {
  max-width: 1100px; margin: 12px auto 0; padding: 10px 14px; border-radius: 8px;
  width: calc(100% - 32px); font-size: .92rem;
}
.status.ok { background: var(--ok-bg); color: var(--ok-ink); }
.status.warn { background: var(--warn-bg); color: var(--warn-ink); }
.status.err { background: var(--err-bg); color: var(--danger); }
.warn { background: var(--warn-bg); color: var(--warn-ink); padding: 8px 10px; border-radius: 8px; }

.muted { color: var(--muted); }
.small { font-size: .85rem; }
.center { text-align: center; padding: 60px 0; }
.spinner {
  width: 32px; height: 32px; margin: 0 auto 12px; border-radius: 50%;
  border: 3px solid var(--line); border-top-color: var(--primary); animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.foot { text-align: center; padding: 16px; }

@media (max-width: 480px) {
  .who span { max-width: 140px; }
  .row { flex-wrap: wrap; }
  .row .btn { flex: 1; }
}