:root {
  --ink: #14202b;
  --paper: #f4f7fa;
  --line: rgba(20, 32, 43, 0.12);
  --teal: #1f6f6a;
  --copper: #c45c26;
  --font: "Noto Sans SC", sans-serif;
  --display: "ZCOOL XiaoWei", "Noto Sans SC", serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
}
.admin-top {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.25rem;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.brand {
  font-family: var(--display);
  font-size: 1.35rem;
  letter-spacing: 0.08em;
  color: var(--ink);
  text-decoration: none;
}
.admin-top nav { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.nav-btn {
  border: 0;
  background: transparent;
  padding: 0.45rem 0.8rem;
  border-radius: 4px;
  cursor: pointer;
  color: #2a3a48;
}
.nav-btn.active { background: var(--ink); color: #fff; }
.link { color: var(--teal); text-decoration: none; font-size: 0.92rem; }
main { padding: 1.25rem; }
.panel { display: none; }
.panel.active { display: block; }
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}
.toolbar h1 { margin: 0; font-size: 1.35rem; }
.actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.btn {
  border: 0;
  background: var(--copper);
  color: #fff;
  border-radius: 4px;
  padding: 0.5rem 0.9rem;
  cursor: pointer;
}
.btn-ghost { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.btn-danger { background: #8f3518; }
.btn-mini {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
  cursor: pointer;
  font-size: 0.82rem;
}
.hint { color: #2a3a48; margin: 0 0 1rem; font-size: 0.92rem; }
.table-wrap {
  overflow: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
}
table { width: 100%; border-collapse: collapse; min-width: 860px; }
th, td {
  text-align: left;
  padding: 0.75rem 0.85rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
  vertical-align: top;
}
th { background: #eef3f6; font-weight: 700; }
.ops { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.license-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1.1rem 1.2rem;
  line-height: 1.7;
}
.badge {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  background: rgba(31, 111, 106, 0.12);
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 700;
}
.badge.danger {
  background: rgba(196, 92, 38, 0.12);
  color: var(--copper);
}
@media (max-width: 720px) {
  table { min-width: 720px; }
}