/* Settings Sidebar - GitHub wiki style */

.settings-container {
  display: flex;
  gap: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.settings-sidebar {
  width: 280px;
  flex-shrink: 0;
  position: sticky;
  top: 70px;
  height: calc(100vh - 90px);
  overflow-y: auto;
  padding-right: 1rem;
}

/* Custom scrollbar for settings sidebar - Webkit browsers (Chrome, Safari, Edge) */
.settings-sidebar::-webkit-scrollbar {
  width: 8px;
}

.settings-sidebar::-webkit-scrollbar-track {
  background: transparent;
  border-radius: 4px;
}

.settings-sidebar::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
  transition: background 0.2s;
}

.settings-sidebar::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Custom scrollbar for Firefox */
.settings-sidebar {
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.settings-content {
  flex: 1;
  min-width: 0;
}

.settings-nav {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem;
}

.settings-nav-section {
  margin-bottom: 0.5rem;
}

.settings-nav-section:last-child {
  margin-bottom: 0;
}

.settings-nav-header {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  padding: 0.5rem 0.75rem;
  margin-bottom: 0.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.settings-nav-header:hover {
  color: var(--text);
}

.settings-nav-toggle {
  transition: transform 0.2s;
}

.settings-nav-section.collapsed .settings-nav-toggle {
  transform: rotate(-90deg);
}

.settings-nav-items {
  display: block;
  margin: 0;
  padding: 0;
}

.settings-nav-section.collapsed .settings-nav-items {
  display: none;
}

.settings-nav-item {
  display: block;
  padding: 0.5rem 0.75rem 0.5rem 1.5rem;
  color: var(--text);
  text-decoration: none;
  font-size: 0.9rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  margin-bottom: 2px;
  position: relative;
}

/* Only show dot for sub-items, not top-level items */
.settings-nav-items .settings-nav-item::before {
  content: '';
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--text-muted);
  opacity: 0.4;
}

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

.settings-nav-item.active {
  background: var(--primary);
  color: white;
  font-weight: 600;
}

.settings-nav-items .settings-nav-item.active::before {
  background: white;
  opacity: 1;
}

.settings-search {
  margin-bottom: 1.5rem;
}

.settings-search input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
  background: var(--card-bg);
  color: var(--text);
}

.settings-search input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(237, 139, 104, 0.1);
}

.settings-search input::placeholder {
  color: var(--text-muted);
}

/* Mobile responsive */
@media (max-width: 768px) {
  .settings-container {
    flex-direction: column;
    gap: 1rem;
  }

  .settings-sidebar {
    width: 100%;
    position: static;
    height: auto;
    padding-right: 0;
  }

  .settings-nav {
    margin-bottom: 1rem;
  }

  .settings-nav-item {
    padding-left: 1.25rem;
  }
}

/* Touch targets - 44px minimum */
.settings-panel input,
.settings-panel select,
.settings-panel textarea { min-height: 44px; }
.settings-panel .btn { min-height: 44px; }
.settings-panel .btn-sm { min-height: 44px; padding: 0.5rem 0.8rem; }
.settings-panel input[type="checkbox"],
.settings-panel input[type="radio"] { width: 20px; height: 20px; min-height: 20px; cursor: pointer; accent-color: var(--primary); }
.settings-panel .list-item { min-height: 56px; padding: 0.75rem 1rem; }
.settings-nav-item { min-height: 44px; display: flex; align-items: center; }
.settings-nav-header { min-height: 44px; }

/* Progressive disclosure toggle */
.settings-more-details { display: none; }
.settings-more-details.open { display: block; }
.settings-more-toggle { display: inline-flex; align-items: center; gap: 0.25rem; color: var(--primary); cursor: pointer; font-size: 0.85rem; font-weight: 500; margin-top: 0.5rem; padding: 0.5rem 0; min-height: 44px; background: none; border: none; }

/* Tab panels styling */
.settings-panel {
  display: none;
}

.settings-panel.active {
  display: block;
}

/* Hide old tabs bar */
.settings-container ~ .tabs {
  display: none;
}