.admin-body {
  min-height: 100vh;
}

/* display:grid 会压过原生 [hidden]，必须显式隐藏 */
.admin-gate[hidden],
.admin-shell[hidden] {
  display: none !important;
}

.admin-gate {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.admin-card {
  width: min(100%, 420px);
  background: var(--bg-elevated);
  backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid var(--hairline-bright);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem 1.75rem;
}

.admin-card h1 {
  font-size: 1.8rem;
  letter-spacing: -0.03em;
  margin-bottom: 0.6rem;
}

.admin-shell {
  position: relative;
  z-index: 1;
  width: min(100% - 2rem, 1100px);
  margin: 0 auto;
  padding: 1rem 0 3rem;
}

.admin-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0 1.4rem;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 1.5rem;
}

.admin-brand {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.admin-brand span {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.95rem;
}

.admin-top-right {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.4rem;
}

.stat-card {
  background: var(--bg-elevated);
  backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--hairline-bright);
  border-radius: 20px;
  padding: 1.2rem 1.3rem;
  box-shadow: var(--shadow);
}

.stat-num {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}

.admin-panel {
  background: var(--bg-elevated);
  backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--hairline-bright);
  border-radius: 24px;
  padding: 1.4rem 1.35rem 1.2rem;
  box-shadow: var(--shadow);
}

.panel-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.panel-head h2 {
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.admin-msg {
  margin-bottom: 0.85rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.admin-msg.is-error { color: #d70015; }
.admin-msg.is-ok { color: #248a3d; }

.table-wrap {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.admin-table th,
.admin-table td {
  text-align: left;
  padding: 0.75rem 0.55rem;
  border-bottom: 1px solid var(--hairline);
  vertical-align: middle;
  white-space: nowrap;
}

.admin-table th {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.admin-table td.ops {
  display: flex;
  gap: 0.4rem;
  white-space: nowrap;
}

.role-pill {
  display: inline-flex;
  padding: 0.2rem 0.55rem;
  border-radius: 980px;
  font-size: 0.78rem;
  font-weight: 600;
}

.role-pill.is-admin {
  background: rgba(0, 113, 227, 0.12);
  color: var(--blue);
}

.role-pill.is-user {
  background: rgba(0, 0, 0, 0.05);
  color: var(--ink-soft);
}

.btn-danger {
  background: rgba(215, 0, 21, 0.1);
  color: #d70015;
}

.btn-danger:hover {
  background: rgba(215, 0, 21, 0.16);
}

@media (max-width: 720px) {
  .admin-stats {
    grid-template-columns: 1fr;
  }

  .admin-top {
    flex-direction: column;
    align-items: flex-start;
  }
}