body.admin-page,
body.admin-login-page {
  min-height: 100vh;
  background: #f3f7fb;
  color: #17324d;
  font-family: Inter, Nunito, Arial, sans-serif;
}

.admin-login-card {
  width: min(100%, 420px);
  margin: 9vh auto;
  padding: 30px;
  background: #ffffff;
  border: 1px solid #d8e8f4;
  border-radius: 8px;
  box-shadow: 0 18px 44px rgba(18, 52, 78, 0.12);
}

.admin-shell {
  display: grid;
  grid-template-columns: 310px minmax(0, 1fr);
  min-height: 100vh;
}

.admin-sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  background: #17324d;
  color: #ffffff;
}

.admin-brand {
  padding: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.admin-brand h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 800;
}

.admin-brand p {
  margin: 6px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

.admin-menu {
  padding: 18px;
}

.admin-menu-label {
  margin: 0 0 10px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.admin-menu a {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  padding: 10px 12px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
  line-height: 1.35;
  text-decoration: none;
  border-radius: 8px;
}

.admin-menu a:hover,
.admin-menu a.active {
  color: #ffffff;
  background: rgba(13, 131, 253, 0.42);
}

.admin-menu .topic-code {
  flex: 0 0 34px;
  font-weight: 800;
}

.admin-main {
  min-width: 0;
  padding: 28px;
}

.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.admin-topbar h2 {
  margin: 0;
  font-size: 28px;
  font-weight: 800;
}

.admin-card {
  background: #ffffff;
  border: 1px solid #d8e8f4;
  border-radius: 8px;
  box-shadow: 0 14px 34px rgba(18, 52, 78, 0.08);
}

.admin-card-body {
  padding: 22px;
}

.admin-table-wrapper {
  overflow-x: auto;
}

.admin-table td,
.admin-table th {
  vertical-align: middle;
}

.admin-file-meta {
  color: #64798b;
  font-size: 13px;
}

@media (max-width: 991.98px) {
  .admin-shell {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    position: relative;
    height: auto;
    max-height: 420px;
  }

  .admin-main {
    padding: 18px;
  }
}