:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --ink: #1c2024;
  --muted: #56606f;
  --line: #d8dee7;
  --brand: #0d5bd7;
  --ok: #1f8f4f;
  --warn: #a65a00;
  --bad: #a10f2b;
  --radius: 14px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: radial-gradient(circle at 20% 20%, #fefefe 0%, #eef3fa 45%, #e8edf5 100%);
  color: var(--ink);
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.card {
  width: min(680px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 14px 40px rgba(12, 28, 49, 0.10);
  overflow: hidden;
}
.head {
  padding: 22px 24px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(120deg, #f7fbff 0%, #edf4ff 100%);
}
.title { margin: 0 0 6px; font-size: 22px; font-weight: 700; }
.desc { margin: 0; color: var(--muted); font-size: 14px; }
.body { padding: 20px 24px 24px; display: grid; gap: 14px; }
label { font-size: 13px; color: var(--muted); }
input {
  width: 100%; border: 1px solid var(--line); border-radius: 10px;
  padding: 12px 14px; font-size: 15px; outline: none; background: #fff;
}
input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(13, 91, 215, 0.12); }
.row { display: flex; gap: 10px; align-items: center; }
.row-wrap { flex-wrap: wrap; }
button {
  border: 0; border-radius: 10px; padding: 11px 16px; color: #fff;
  background: var(--brand); cursor: pointer; font-weight: 600;
}
button:disabled { opacity: .6; cursor: not-allowed; }
.btn-secondary { background: #2f3d56; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.panel {
  border: 1px dashed var(--line); border-radius: 10px; padding: 14px;
  background: #fbfdff; display: grid; gap: 8px;
}
.kv { display: grid; grid-template-columns: 126px 1fr; gap: 10px; font-size: 14px; }
.k { color: var(--muted); }
.status-pending { color: var(--warn); }
.status-found { color: var(--ok); }
.status-expired, .status-cancelled { color: var(--bad); }
.foot { color: var(--muted); font-size: 12px; line-height: 1.6; }