/* Settings page */
.settings-main {
  min-height: 100vh;
  padding: calc(var(--nav-height) + 2rem) 1rem 3rem;
  max-width: 48rem;
  margin: 0 auto;
}

.settings-header {
  margin-bottom: 2rem;
}

.settings-header h1 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 0.35rem;
}

.settings-header p {
  color: var(--text-muted);
  margin: 0;
  font-size: 0.95rem;
}

.settings-grid {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.settings-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition);
}

.settings-card:hover {
  border-color: var(--border-accent);
}

.settings-card__header {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1.25rem;
}

.settings-card__icon {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-blue);
  font-size: 1rem;
}

.settings-card__title {
  font-size: 1rem;
  font-weight: 700;
  margin: 0;
}

.settings-card__desc {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin: 0.15rem 0 0;
}

.settings-options {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.settings-radio {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: all var(--transition);
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.9rem;
}

.settings-radio:has(input:checked) {
  border-color: var(--accent-purple);
  background: rgba(139, 92, 246, 0.1);
  box-shadow: 0 0 0 1px rgba(139, 92, 246, 0.2);
}

.settings-radio input {
  accent-color: var(--accent-purple);
  width: 1rem;
  height: 1rem;
}

.settings-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.settings-toggle-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.settings-toggle-label {
  font-weight: 600;
  font-size: 0.9rem;
}

.settings-toggle-hint {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 0.15rem;
}

/* Toggle switch */
.toggle-switch {
  position: relative;
  width: 3rem;
  height: 1.65rem;
  flex-shrink: 0;
}

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

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

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 1.25rem;
  height: 1.25rem;
  left: 0.15rem;
  top: 50%;
  transform: translateY(-50%);
  background: var(--text-muted);
  border-radius: 50%;
  transition: all var(--transition);
}

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

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateY(-50%) translateX(1.35rem);
  background: #fff;
}

.settings-slider-row {
  padding: 0.85rem 0;
}

.settings-slider-row label {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.65rem;
}

.settings-slider-row input[type="range"] {
  width: 100%;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--bg-elevated);
  accent-color: var(--accent-blue);
  cursor: pointer;
}

.device-status-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

@media (max-width: 480px) {
  .device-status-grid { grid-template-columns: 1fr; }
}

.device-status-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
}

.device-status-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--text-dim);
  flex-shrink: 0;
}

.device-status-dot--ok { background: #22c55e; box-shadow: 0 0 8px rgba(34, 197, 94, 0.5); }
.device-status-dot--warn { background: #fbbf24; }
.device-status-dot--off { background: #64748b; }

.device-status-label {
  font-size: 0.85rem;
  font-weight: 600;
}

.device-status-value {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.settings-save-bar {
  margin-top: 1.5rem;
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

.settings-toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--accent-blue);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.875rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(1rem);
  transition: all var(--transition);
  z-index: 300;
  pointer-events: none;
}

.settings-toast--visible {
  opacity: 1;
  transform: translateY(0);
}