.admin-card {
  max-width: 400px;
  margin: 2rem auto;
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.admin-card h2 {
  margin-bottom: 1.25rem;
  font-size: 1.2rem;
}

.admin-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.admin-form label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.admin-form input,
.admin-select {
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
}

.admin-form input:focus,
.admin-select:focus {
  outline: none;
  border-color: var(--primary);
}

.form-error {
  color: #fca5a5;
  font-size: 0.875rem;
  margin-top: 0.75rem;
}

.admin-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.5rem;
}

.admin-hint {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.admin-count {
  font-size: 0.875rem;
  color: var(--muted);
  margin-left: auto;
}

.admin-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-bottom: 2rem;
}

.admin-row {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem;
  transition: border-color 0.15s, background 0.15s;
}

.admin-row.dirty {
  border-color: #f59e0b;
  background: rgba(245, 158, 11, 0.06);
}

.admin-row.saved {
  border-color: var(--success);
  background: rgba(34, 197, 94, 0.06);
}

.admin-row-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
}

.admin-item-id {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 600;
  min-width: 2.5rem;
}

.admin-lesson-tag {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: 999px;
  padding: 0.15rem 0.5rem;
}

.admin-row-head .btn-sm {
  margin-left: auto;
}

.btn-sm {
  padding: 0.35rem 0.65rem;
  font-size: 0.8rem;
}

.admin-row-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.admin-row-fields label {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.7rem;
  color: var(--muted);
}

.admin-row-fields input {
  width: 100%;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.9rem;
}

.field-chinese {
  grid-column: 1 / -1;
}

.field-chinese input {
  font-size: 1.05rem;
  font-weight: 600;
}

.field-vi {
  grid-column: 1 / -1;
}

.field-booi {
  grid-column: 1 / -1;
}

.field-booi input {
  color: #86efac;
}

.admin-row-fields input:focus {
  outline: none;
  border-color: var(--primary);
}

@media (max-width: 500px) {
  .admin-row-fields {
    grid-template-columns: 1fr;
  }
}