:root {
  color-scheme: light;
  --bg: #f4f1ea;
  --ink: #1d2428;
  --muted: #5d6a72;
  --line: #d7d0c4;
  --card: #fffdf8;
  --accent: #1f6f64;
  --accent-ink: #ffffff;
  --danger: #8d2f2f;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.45 "Segoe UI", sans-serif;
}
button, input { font: inherit; }
button { cursor: pointer; }
.gate, .app { min-height: 100vh; }
.gate {
  display: grid;
  place-items: center;
  padding: 24px;
}
.gate form, .card, .modal .card {
  width: min(440px, 100%);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px;
}
.kicker { margin: 0; color: var(--accent); font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase; }
h1, h2, h3 { margin: 6px 0 10px; }
.sub, .note { color: var(--muted); }
.note { background: #f7f3ea; border-radius: 10px; padding: 10px 12px; }
label { display: block; margin: 12px 0 6px; }
input, textarea, select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.split .card, #item-form, #item-search, #item-history { width: auto; }
@media (max-width: 800px) {
  .app { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
}
button.primary, button {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  padding: 8px 12px;
}
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
button.quiet { background: transparent; }
.error { color: var(--danger); }
.app { display: grid; grid-template-columns: 240px 1fr; }
aside {
  padding: 24px 18px;
  border-right: 1px solid var(--line);
  background: #ebe6dc;
}
nav { display: grid; gap: 8px; margin: 18px 0; }
nav button { text-align: left; }
nav button.active { background: var(--accent); color: white; border-color: var(--accent); }
main { padding: 28px; }
.row { display: flex; justify-content: space-between; gap: 12px; align-items: center; flex-wrap: wrap; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.person, .version, .event {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  margin: 10px 0;
}
.perms { display: grid; gap: 6px; margin-top: 8px; }
.perms label { margin: 0; display: flex; gap: 8px; align-items: center; }
.modal {
  position: fixed;
  inset: 0;
  background: rgba(29, 36, 40, 0.45);
  display: grid;
  place-items: center;
  padding: 18px;
}
.issued {
  font-family: Consolas, monospace;
  word-break: break-all;
  background: #f7f3ea;
  padding: 12px;
  border-radius: 10px;
}
.result { white-space: pre-wrap; }
@media (max-width: 800px) {
  .app { grid-template-columns: 1fr; }
  aside { border-right: 0; border-bottom: 1px solid var(--line); }
  .grid { grid-template-columns: 1fr; }
}