/* ==========================================================
   settings.css — Settings page styles
   ========================================================== */

.settings-layout {
  display: flex;
  gap: var(--space-8);
  max-width: 960px;
}

.settings-nav {
  width: 200px;
  flex-shrink: 0;
  position: sticky;
  top: var(--space-6);
  align-self: flex-start;
}

.settings-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--duration-micro) var(--ease-out);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
}

.settings-nav-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.settings-nav-item.active { background: var(--accent-subtle); color: var(--accent); }

.settings-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  min-width: 0;
}

.settings-section {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.settings-section-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-subtle);
}

.settings-section-title {
  font-size: var(--text-base);
  font-weight: var(--weight-semi);
  color: var(--text-primary);
}

.settings-section-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-top: 4px;
}

.settings-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--border-subtle);
}

.settings-field:last-child { border-bottom: none; }

.settings-field-label {
  flex: 1;
}

.settings-field-label h4 {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-primary);
  margin-bottom: 2px;
}

.settings-field-label p {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.settings-field-control {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Toggle switch */
.toggle {
  position: relative;
  width: 44px;
  height: 24px;
  cursor: pointer;
}

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

.toggle-track {
  position: absolute;
  inset: 0;
  background: var(--border-strong);
  border-radius: var(--radius-full);
  transition: background var(--duration-fast) var(--ease-out);
}

.toggle input:checked + .toggle-track { background: var(--accent); }

.toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: white;
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration-fast) var(--ease-spring);
}

.toggle input:checked ~ .toggle-thumb { transform: translateX(20px); }

/* Radio option cards */
.radio-card-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
}

.radio-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--bg-surface-raised);
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out);
}

.radio-card:hover { border-color: var(--border-strong); }
.radio-card.selected {
  border-color: var(--accent);
  background: var(--accent-subtle);
}

.radio-card input { display: none; }

.radio-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--border-strong);
  flex-shrink: 0;
  margin-top: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--duration-fast) var(--ease-out);
}

.radio-card.selected .radio-dot {
  border-color: var(--accent);
}

.radio-dot::after {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0;
  transform: scale(0);
  transition: all var(--duration-fast) var(--ease-spring);
}

.radio-card.selected .radio-dot::after {
  opacity: 1;
  transform: scale(1);
}

.radio-info h4 {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-primary);
  margin-bottom: 2px;
}

.radio-info p {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

/* Slider */
.slider-field {
  flex-direction: column;
  align-items: stretch;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--border-strong);
  outline: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-subtle);
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-spring);
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Saved indicator */
.saved-flash {
  font-size: var(--text-xs);
  color: var(--success);
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-out);
}

.saved-flash.visible { opacity: 1; }

/* Connection test */
.connection-test-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Shortcuts table */
.shortcuts-table {
  padding: var(--space-4) var(--space-6);
}

.shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.shortcut-row:last-child { border-bottom: none; }

.shortcut-desc {
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.shortcut-keys {
  display: flex;
  gap: 4px;
  align-items: center;
}

@media (max-width: 767px) {
  .settings-layout { flex-direction: column; gap: var(--space-4); }
  .settings-nav { width: 100%; position: relative; top: auto; display: flex; gap: var(--space-1); overflow-x: auto; }
  .settings-field { flex-direction: column; align-items: flex-start; gap: var(--space-3); }
}