:root {
  --bg: #f5f5f7;
  --card: #fff;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --accent: #0071e3;
  --danger: #d70015;
  --warn: #b25000;
  --border: #d2d2d7;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161617;
    --card: #1f1f21;
    --text: #f5f5f7;
    --muted: #98989d;
    --accent: #2997ff;
    --danger: #ff6961;
    --warn: #ffb340;
    --border: #3a3a3c;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}
header {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 12px 20px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
header h1 { font-size: 18px; margin: 0; white-space: nowrap; }
#scan {
  flex: 1; min-width: 260px;
  padding: 8px 12px;
  border: 2px solid var(--accent);
  border-radius: 8px;
  background: var(--bg); color: var(--text);
  font-size: 15px;
}
nav { display: flex; gap: 4px; }
nav button {
  padding: 8px 14px; border: 0; border-radius: 8px;
  background: transparent; color: var(--text);
  font-size: 15px; cursor: pointer;
}
nav button.active { background: var(--accent); color: #fff; }
main { max-width: 1000px; margin: 0 auto; padding: 20px; }
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.toolbar input, .toolbar select {
  padding: 7px 10px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--card); color: var(--text); font-size: 14px;
}
.toolbar input { flex: 1; min-width: 180px; }
table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 10px; overflow: hidden; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { font-size: 12px; text-transform: uppercase; color: var(--muted); }
tbody tr { cursor: pointer; }
tbody tr:hover { background: color-mix(in srgb, var(--accent) 8%, var(--card)); }
.badge { font-variant-numeric: tabular-nums; font-weight: 600; }
.badge.zero { color: var(--danger); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
button.primary, button.plain, button.danger {
  padding: 8px 14px; border: 0; border-radius: 8px; font-size: 14px; cursor: pointer;
}
button.primary { background: var(--accent); color: #fff; }
button.plain { background: var(--card); color: var(--accent); border: 1px solid var(--border); }
button.danger { background: transparent; color: var(--danger); border: 1px solid var(--border); }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px 18px; margin-bottom: 16px;
}
.card h2 { margin: 0 0 10px; font-size: 17px; }
.card h3 { margin: 16px 0 8px; font-size: 14px; color: var(--muted); text-transform: uppercase; }
.row { display: flex; justify-content: space-between; gap: 10px; padding: 6px 0; }
.row .label { color: var(--muted); }
.photo { max-width: 320px; max-height: 240px; border-radius: 10px; display: block; margin-bottom: 10px; }
dialog {
  border: 1px solid var(--border); border-radius: 14px;
  background: var(--card); color: var(--text);
  padding: 20px; width: min(480px, 92vw);
}
dialog::backdrop { background: rgba(0,0,0,.45); }
dialog h2 { margin-top: 0; font-size: 17px; }
dialog form { display: flex; flex-direction: column; gap: 10px; }
dialog input, dialog select, dialog textarea {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg); color: var(--text); font-size: 14px; width: 100%;
}
dialog .actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 6px; }
dialog .scanned { background: var(--bg); border-radius: 8px; padding: 8px 10px; }
#toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--danger); color: #fff;
  padding: 10px 18px; border-radius: 10px; font-size: 14px; z-index: 10;
}
#toast.ok { background: #248a3d; }
.backlink { display: inline-block; margin-bottom: 12px; color: var(--accent); cursor: pointer; }
.empty { text-align: center; color: var(--muted); padding: 48px 0; }
.loan-actions { display: flex; gap: 8px; align-items: center; }
a.followup { color: var(--accent); text-decoration: none; font-size: 14px; }