:root {
  --bg: #f5f6f8; --card: #ffffff; --line: #e4e6ea;
  --text: #22262b; --muted: #7a828c;
  --brand: #185fa5; --brand-dark: #0c447c;
  --green: #2e7d32; --amber: #b26a00; --red: #b3261e;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.6;
}
#app { max-width: 1080px; margin: 0 auto; padding: 24px 16px 60px; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 20px; margin-bottom: 16px;
}
h1 { font-size: 18px; font-weight: 600; margin-bottom: 4px; }
h2 { font-size: 15px; font-weight: 600; margin-bottom: 12px; }
.sub { color: var(--muted); font-size: 12px; margin-bottom: 16px; }

input, select {
  width: 100%; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px;
  font-size: 14px; margin-bottom: 10px; background: #fff; color: var(--text);
}
input:focus { outline: none; border-color: var(--brand); }

.btn {
  display: inline-block; padding: 9px 18px; border: none; border-radius: 8px;
  font-size: 14px; cursor: pointer; background: var(--brand); color: #fff;
}
.btn:hover { background: var(--brand-dark); }
.btn.ghost { background: #fff; color: var(--brand); border: 1px solid var(--brand); }
.btn.small { padding: 4px 10px; font-size: 12px; }
.btn.danger { background: #fff; color: var(--red); border: 1px solid var(--red); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.row { display: flex; gap: 10px; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 140px; }

.banner {
  padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; font-size: 13px;
}
.banner.warn { background: #fdf3e0; color: var(--amber); border: 1px solid #f0d9ae; }
.banner.danger { background: #fcebeb; color: var(--red); border: 1px solid #f2c5c2; }
.banner.info { background: #e8f1fb; color: var(--brand-dark); border: 1px solid #c5dcf2; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 500; white-space: nowrap; }

.tag { display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: 12px; }
.tag.active { background: #e6f4ea; color: var(--green); }
.tag.suspended { background: #f0f0f0; color: var(--muted); }
.tag.frozen { background: #fdf3e0; color: var(--amber); }
.tag.expiring { background: #fdf3e0; color: var(--amber); }

.center { text-align: center; }
.login-box { max-width: 380px; margin: 60px auto; }
.big-code {
  font-size: 34px; letter-spacing: 10px; font-weight: 600; text-align: center;
  color: var(--brand-dark); padding: 14px 0;
}
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.stat .n { font-size: 24px; font-weight: 600; }
.stat .l { font-size: 12px; color: var(--muted); }
.muted { color: var(--muted); font-size: 12px; }
.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
details summary { cursor: pointer; color: var(--brand); font-size: 13px; }
@media (max-width: 640px) { th:nth-child(n+4), td:nth-child(n+4) { display: none; } }
.tag.err { background: #fcebeb; color: var(--red); }