.login-page {
  display: grid;
  min-height: 100vh;
  place-items: center;
  background: var(--paper);
}

.login-page form,
.admin-form,
.form-card,
details {
  padding: 24px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--line);
}

.login-page form {
  display: grid;
  width: min(420px, calc(100% - 40px));
  gap: 18px;
}

.login-page h1,
.admin-side h1 {
  margin: 0 0 18px;
  font-family: var(--font-en), var(--font-cn);
  font-weight: 400;
  letter-spacing: 0.08em;
}

.login-page label,
.admin-form label,
.form-card label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.login-page input,
.admin-form input,
.admin-form textarea,
.form-card input {
  min-height: 42px;
  padding: 10px 12px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid var(--line);
  border-radius: 0;
}

.login-page button,
.admin-actions button,
.admin-form > button,
.admin-side button {
  min-height: 42px;
  padding: 10px 18px;
  color: #fff;
  background: var(--star-blue);
  border: 0;
  cursor: pointer;
}

.admin-shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
  color: var(--ink);
  background: var(--paper);
}

.admin-side {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 28px;
  border-right: 1px solid var(--line);
}

.admin-side nav {
  display: grid;
  gap: 10px;
  margin: 30px 0;
}

.admin-side button.active {
  opacity: 0.65;
}

.admin-main {
  padding: 34px;
}

.admin-main h2 {
  margin: 0 0 24px;
  font-size: 28px;
  font-weight: 400;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.admin-form {
  display: grid;
  gap: 16px;
}

.admin-list {
  display: grid;
  gap: 16px;
}

details summary {
  cursor: pointer;
  font-size: 18px;
}

summary small {
  margin-left: 12px;
  color: var(--muted);
  font-size: 12px;
}

.admin-row,
.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.check {
  display: flex !important;
  grid-auto-flow: column;
  justify-content: start;
}

.form-card {
  display: grid;
  gap: 8px;
}

.form-card h3,
.form-card p {
  margin: 0;
}

@media (max-width: 840px) {
  .admin-shell,
  .admin-grid {
    grid-template-columns: 1fr;
  }

  .admin-side {
    position: static;
    height: auto;
  }
}