.se-main {
  width: min(980px, calc(100% - 2rem));
  margin: 0 auto;
  display: grid;
  gap: 0.8rem;
  padding-bottom: 2rem;
}

.se-header,
.settings-section {
  padding: 0.9rem;
}

.se-header h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
}

.se-header p {
  margin: 0.35rem 0 0;
  color: var(--text-secondary);
}

.success-message,
.error-message {
  display: none;
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.7rem;
  font-size: var(--text-xs);
}

.success-message {
  border: 1px solid rgba(16, 185, 129, 0.45);
  color: #a7f3d0;
  background: rgba(16, 185, 129, 0.1);
}

.error-message {
  border: 1px solid rgba(244, 63, 94, 0.45);
  color: #fecdd3;
  background: rgba(244, 63, 94, 0.1);
}

.section-title {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
}

.form-group {
  margin-bottom: 0.55rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--text-secondary);
  font-size: var(--text-xs);
}

.preference-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border);
}

.preference-item:last-of-type {
  border-bottom: 0;
}

.preference-label {
  color: var(--text-primary);
  font-size: var(--text-sm);
}

.toggle-switch {
  position: relative;
  width: 48px;
  height: 24px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  cursor: pointer;
  background: var(--bg-overlay);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  top: 2px;
  border-radius: 50%;
  background: #fff;
  transition: transform var(--transition-base);
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--gradient-primary);
  border-color: transparent;
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(23px);
}

.theme-copy {
  color: var(--text-secondary);
  margin: 0;
  font-size: var(--text-sm);
}

.theme-options {
  margin-top: 0.6rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
}

.theme-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-overlay);
  color: var(--text-primary);
  padding: 0.8rem;
  font-weight: 700;
}

.theme-card:hover {
  border-color: rgba(168, 85, 247, 0.6);
  box-shadow: var(--glow-primary-subtle);
}

.theme-card.active {
  border-color: var(--primary);
  box-shadow: var(--glow-primary-subtle);
}

.danger-zone {
  border: 1px solid rgba(244, 63, 94, 0.5);
  background: rgba(244, 63, 94, 0.06);
}

.danger-zone p {
  margin: 0 0 0.6rem;
  color: var(--text-secondary);
}

.login-prompt {
  text-align: center;
  padding: 1rem;
}

@media (max-width: 768px) {
  .se-main {
    width: calc(100% - 1rem);
  }

  .form-row,
  .theme-options {
    grid-template-columns: 1fr;
  }
}