:root {
  --bg: #0f1115;
  --card: #171a21;
  --text: #eef1f6;
  --muted: #9aa3b2;
  --accent: #c9a227;
  --accent2: #8b5cf6;
  --border: #2a3140;
  --ok: #22c55e;
  --warn: #f59e0b;
  --err: #ef4444;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  background: radial-gradient(circle at top, #1a2030, var(--bg) 45%);
  color: var(--text);
  min-height: 100vh;
}
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 1.25rem; border-bottom: 1px solid var(--border);
  background: rgba(15,17,21,.85); backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 10;
}
.brand { color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: .04em; }
.topbar nav { display: flex; gap: 1rem; align-items: center; }
.topbar a { color: var(--muted); text-decoration: none; }
.topbar a:hover { color: var(--text); }
.inline { display: inline; margin: 0; }
.link-btn { background: none; border: none; color: var(--muted); cursor: pointer; padding: 0; }
.container { max-width: 1080px; margin: 0 auto; padding: 1.25rem; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 1.25rem; margin-bottom: 1rem; box-shadow: 0 10px 30px rgba(0,0,0,.25);
}
.card.narrow { max-width: 420px; margin-left: auto; margin-right: auto; }
.hero h1 { margin-top: 0; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.stack { display: grid; gap: .75rem; }
.grid-form {
  display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: .75rem;
}
.grid-form .full { grid-column: 1 / -1; }
label { display: grid; gap: .35rem; font-size: .92rem; color: var(--muted); }
input, select, textarea, button {
  font: inherit; border-radius: 10px; border: 1px solid var(--border);
  background: #0f131a; color: var(--text); padding: .65rem .75rem;
}
textarea { resize: vertical; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .65rem 1rem; border-radius: 10px; border: 1px solid var(--border);
  background: #222836; color: var(--text); text-decoration: none; cursor: pointer;
}
.btn.primary { background: linear-gradient(135deg, var(--accent), #e6c35c); color: #1a1405; border: none; font-weight: 600; }
.actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.inline-form { display: flex; flex-wrap: wrap; gap: .5rem; align-items: end; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 768px) {
  .grid-2, .grid-form { grid-template-columns: 1fr; }
}
.alert { padding: .75rem .9rem; border-radius: 10px; }
.alert.ok { background: rgba(34,197,94,.12); color: #86efac; }
.alert.warn { background: rgba(245,158,11,.12); color: #fcd34d; }
.alert.error { background: rgba(239,68,68,.12); color: #fca5a5; }
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { border-bottom: 1px solid var(--border); padding: .55rem .35rem; text-align: left; vertical-align: top; }
.tag { font-size: .75rem; padding: .15rem .45rem; border-radius: 999px; background: #2a3140; }
.tag.expired { background: rgba(239,68,68,.2); color: #fca5a5; }
.tag.stored { background: rgba(34,197,94,.15); color: #86efac; }
.tag.partial { background: rgba(139,92,246,.15); color: #c4b5fd; }
.log-list { list-style: none; padding: 0; margin: 0; display: grid; gap: .35rem; }
.pickup-row {
  display: grid; grid-template-columns: 1fr auto auto; gap: .75rem; align-items: center;
  padding: .75rem 0; border-bottom: 1px solid var(--border);
}
@media (max-width: 640px) { .pickup-row { grid-template-columns: 1fr; } }
.footer { text-align: center; color: var(--muted); padding: 2rem 1rem 1.5rem; font-size: .85rem; }