/* ==========================================================================
   UI Components: Apple Liquid Glass & visionOS Native Design System
   ========================================================================== */

/* Main Layout Structure */
.app-container {
  display: flex;
  height: 100%;
  height: 100dvh;
  width: 100vw;
  overflow: hidden;
  position: relative;
  background-color: var(--bg-app);
}

/* ==========================================
   Mobile Backdrop Overlay
   ========================================== */
.sidebar-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 45;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal) var(--ease-apple);
}

.sidebar-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

/* ==========================================
   Sidebar (Apple macOS / iPadOS Liquid Glass)
   ========================================== */
.sidebar {
  width: 270px;
  min-width: 270px;
  height: 100%;
  height: 100dvh;
  background: var(--glass-sidebar);
  backdrop-filter: var(--blur-ultra);
  -webkit-backdrop-filter: var(--blur-ultra);
  border-right: 1px solid var(--border-glass);
  display: flex;
  flex-direction: column;
  transition: width var(--duration-normal) var(--ease-apple), transform var(--duration-normal) var(--ease-apple);
  z-index: 50;
  position: relative;
}

.sidebar.collapsed {
  width: 0;
  min-width: 0;
  transform: translateX(-100%);
  overflow: hidden;
  border-right: none;
}

.sidebar-header {
  padding: 16px 14px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.btn-new-chat {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px;
  background: var(--glass-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-weight: 500;
  font-size: 13px;
  box-shadow: var(--shadow-subtle);
  transition: all var(--duration-fast) var(--ease-apple);
}

.btn-new-chat:hover {
  background: var(--glass-hover);
  border-color: var(--border-glass);
  transform: translateY(-1px);
}

.btn-new-chat:active {
  transform: scale(0.97);
}

.kbd-shortcut {
  font-size: 11px;
  padding: 2px 6px;
  background: var(--glass-input);
  border: 1px solid var(--border-subtle);
  border-radius: 5px;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}

.sidebar-search {
  padding: 0 14px 10px;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input-wrapper svg {
  position: absolute;
  left: 10px;
  color: var(--text-tertiary);
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 7px 12px 7px 32px;
  background: var(--glass-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--duration-fast) var(--ease-apple), background-color var(--duration-fast);
}

.search-input:focus {
  border-color: var(--border-focus);
  background: var(--glass-surface);
}

.sidebar-scroll-area {
  flex: 1;
  overflow-y: auto;
  padding: 4px 10px;
  overscroll-behavior-y: contain;
}

.chat-group-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  font-weight: 600;
  padding: 12px 8px 6px;
}

.chat-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  margin-bottom: 2px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  position: relative;
  transition: all var(--duration-fast) var(--ease-apple);
}

.chat-item:hover {
  background: var(--glass-hover);
  color: var(--text-primary);
}

.chat-item.active {
  background: var(--glass-surface);
  color: var(--text-primary);
  font-weight: 500;
  box-shadow: var(--shadow-subtle);
  border: 1px solid var(--border-glass);
}

.chat-item-title {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.chat-item-actions {
  display: none;
  align-items: center;
  gap: 4px;
}

.chat-item:hover .chat-item-actions {
  display: flex;
}

.chat-item-del-btn {
  padding: 3px;
  color: var(--text-tertiary);
  border-radius: 4px;
}

.chat-item-del-btn:hover {
  color: var(--status-error);
  background-color: rgba(255, 59, 48, 0.12);
}

/* ==========================================
   User Profile Pill (Bottom of Sidebar)
   ========================================== */
.sidebar-footer {
  padding: 12px 14px;
  border-top: 1px solid var(--border-glass);
  background: var(--glass-sidebar);
  position: relative;
}

.sidebar-footer-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Settings button next to profile pill */
.btn-settings {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--glass-surface);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-subtle);
  transition: all var(--duration-fast) var(--ease-apple);
}

.btn-settings:hover {
  background: var(--glass-hover);
  color: var(--text-primary);
  transform: rotate(18deg);
}

.btn-settings:active {
  transform: scale(0.9) rotate(18deg);
}

.user-profile-pill {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  background: var(--glass-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-subtle);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-apple);
}

.user-profile-pill:hover {
  background: var(--glass-hover);
  transform: translateY(-1px);
}

.user-profile-left {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-apple), #7B61FF);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 12px;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0, 113, 227, 0.3);
}

.user-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  text-align: left;
}

.user-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-email {
  font-size: 11px;
  color: var(--text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-pill-chevron {
  color: var(--text-tertiary);
  flex-shrink: 0;
}

/* User Profile Menu Popover */
.profile-menu-popover {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 14px;
  right: 14px;
  background: var(--glass-surface-elevated);
  backdrop-filter: var(--blur-ultra);
  -webkit-backdrop-filter: var(--blur-ultra);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  padding: 6px;
  display: none;
  flex-direction: column;
  gap: 2px;
  z-index: 60;
  animation: appleSpringIn var(--duration-fast) var(--ease-apple);
}

.profile-menu-popover.open {
  display: flex;
}

.menu-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 450;
  transition: background-color var(--duration-fast);
}

.menu-item:hover {
  background: var(--glass-hover);
}

.menu-item.danger {
  color: var(--status-error);
}

.menu-item.danger:hover {
  background-color: rgba(255, 59, 48, 0.1);
}

.menu-divider {
  height: 1px;
  background-color: var(--border-subtle);
  margin: 4px 0;
}

/* ==========================================
   Main Viewport & Top Navbar
   ========================================== */
.main-viewport {
  flex: 1;
  height: 100%;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  background-color: transparent;
}

.top-navbar {
  height: 50px;
  min-height: 50px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--glass-surface-translucent);
  backdrop-filter: var(--blur-card);
  -webkit-backdrop-filter: var(--blur-card);
  border-bottom: 1px solid var(--border-glass);
  z-index: 10;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  user-select: none;
}

.brand-icon {
  width: 24px;
  height: 24px;
  border-radius: 7px;
  object-fit: cover;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}

.brand-name {
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.015em;
  color: var(--text-primary);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-button {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--duration-fast) var(--ease-apple);
}

.icon-button:hover {
  background: var(--glass-hover);
  color: var(--text-primary);
}

.icon-button:active {
  transform: scale(0.92);
}

/* ==========================================
   Apple Liquid Glass Floating Composer Dock (Lovable Spec)
   ========================================== */
.composer-dock {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 8px 20px max(10px, env(safe-area-inset-bottom));
  background: linear-gradient(to top, var(--bg-app) 0%, rgba(var(--bg-app-rgb), 0.88) 60%, transparent 100%);
  pointer-events: none;
  z-index: 25;
}

.composer-dock-inner {
  max-width: var(--composer-width);
  margin: 0 auto;
  pointer-events: auto;
}

.composer-card {
  background: var(--card);
  backdrop-filter: var(--blur-ultra);
  -webkit-backdrop-filter: var(--blur-ultra);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow-composer);
  padding: 9px 12px 7px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  transition: box-shadow 0.22s var(--ease-apple), border-color 0.22s var(--ease-apple);
}

.composer-card:focus-within {
  border-color: rgba(10, 132, 255, 0.45);
  box-shadow: var(--shadow-composer), 0 0 0 4px rgba(10, 132, 255, 0.16);
}

.composer-textarea {
  width: 100%;
  max-height: 160px;
  min-height: 22px;
  background: transparent;
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.45;
  resize: none;
  outline: none;
  border: none;
  padding: 2px 4px;
  field-sizing: content;
}

.composer-textarea::placeholder {
  color: var(--text-tertiary);
}

.composer-disclaimer {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-left: 4px;
  display: inline-block;
  user-select: none;
}

@media (max-width: 640px) {
  .composer-disclaimer {
    display: none;
  }
}

.composer-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.composer-left-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-attach {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-pill);
  color: var(--text-tertiary);
  transition: all var(--duration-fast) var(--ease-apple);
}

.btn-attach:hover {
  background: var(--glass-hover);
  color: var(--text-primary);
}

.btn-attach.has-attachments {
  color: var(--accent-apple);
  background: rgba(10, 132, 255, 0.12);
}

/* Attachment Preview Strip Inside Composer */
.composer-attachment-strip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 4px 10px;
  overflow-x: auto;
  max-width: 100%;
}

.composer-attachment-strip::-webkit-scrollbar {
  height: 4px;
}

.composer-attachment-strip::-webkit-scrollbar-thumb {
  background: var(--border-subtle);
  border-radius: 2px;
}

.attachment-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 8px 4px 4px;
  border-radius: var(--radius-md);
  background: var(--glass-input);
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-subtle);
  position: relative;
  animation: appleSpringIn var(--duration-fast) var(--ease-apple);
  max-width: 220px;
  flex-shrink: 0;
}

.attachment-thumb {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--glass-surface);
  border: 1px solid var(--border-subtle);
}

.attachment-file-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-hover);
  color: var(--accent-apple);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.attachment-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
}

.attachment-name {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 120px;
}

.attachment-size {
  font-size: 10.5px;
  color: var(--text-tertiary);
}

.attachment-remove-btn {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  cursor: pointer;
  background: transparent;
  border: none;
  font-size: 14px;
  line-height: 1;
  transition: all var(--duration-fast);
}

.attachment-remove-btn:hover {
  background: rgba(255, 69, 58, 0.15);
  color: #FF453A;
}

/* Model Switcher Inside Composer (Apple Glass Segmented Pill) */
.composer-model-picker {
  position: relative;
  display: inline-block;
}

.composer-model-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 9px;
  border-radius: var(--radius-pill);
  background: var(--glass-input);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  font-size: 11.5px;
  font-weight: 500;
  transition: all var(--duration-fast) var(--ease-apple);
}

.composer-model-btn:hover {
  background: var(--glass-hover);
  transform: translateY(-1px);
}

.model-tier-sparkle {
  color: var(--accent-apple);
  font-size: 11px;
}

.composer-model-chevron {
  color: var(--text-tertiary);
  transition: transform var(--duration-fast);
}

.composer-model-btn.active .composer-model-chevron {
  transform: rotate(180deg);
}

/* Model Dropdown Popover */
.model-dropdown-popover {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 0;
  width: 290px;
  background: var(--glass-surface-elevated);
  backdrop-filter: var(--blur-ultra);
  -webkit-backdrop-filter: var(--blur-ultra);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  padding: 6px;
  display: none;
  flex-direction: column;
  gap: 3px;
  z-index: 60;
  animation: appleSpringIn var(--duration-fast) var(--ease-apple);
}

.model-dropdown-popover.open {
  display: flex;
}

.model-option-card {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 9px 12px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--duration-fast);
  text-align: left;
}

.model-option-card:hover {
  background: var(--glass-hover);
}

.model-option-card.selected {
  background: var(--accent-apple-soft);
}

.model-option-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.model-option-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.model-option-card.selected .model-option-name {
  color: var(--accent-apple);
}

.model-check-icon {
  display: none;
  color: var(--accent-apple);
}

.model-option-card.selected .model-check-icon {
  display: block;
}

.model-option-desc {
  font-size: 11.5px;
  color: var(--text-secondary);
  line-height: 1.35;
}

.composer-right-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-send {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-pill);
  background: var(--glass-input);
  color: var(--text-tertiary);
  transition: all var(--duration-fast) var(--ease-spring);
}

.btn-send.active {
  background-color: var(--primary);
  color: var(--primary-foreground);
  box-shadow: 0 4px 14px -2px rgba(10, 132, 255, 0.45);
  transform: scale(1.02);
}

.btn-send.active:hover {
  filter: brightness(1.08);
  transform: scale(1.05);
}

.btn-send:active {
  transform: scale(0.94);
}

.btn-stop {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-pill);
  background: rgba(255, 59, 48, 0.12);
  color: var(--status-error);
  display: none;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-fast) var(--ease-apple);
}

.btn-stop.visible {
  display: inline-flex;
}

.btn-stop:hover {
  background: rgba(255, 59, 48, 0.22);
}

/* ==========================================
   Modals (About June visionOS Glass Card)
   ========================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal) var(--ease-apple);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  width: 100%;
  max-width: 520px;
  background: var(--glass-surface-elevated);
  backdrop-filter: var(--blur-ultra);
  -webkit-backdrop-filter: var(--blur-ultra);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-modal);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.96);
  transition: transform var(--duration-normal) var(--ease-apple);
}

.modal-overlay.open .modal-card {
  transform: scale(1);
}

.modal-header {
  padding: 20px 24px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-glass);
}

.modal-title {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--text-primary);
}

.modal-body {
  padding: 22px 24px;
  overflow-y: auto;
  max-height: 65vh;
}

.modal-footer {
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  border-top: 1px solid var(--border-glass);
  background: var(--glass-surface);
}

.btn-primary {
  background-color: var(--accent-apple);
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(0, 113, 227, 0.3);
}

.btn-primary:hover {
  background-color: var(--accent-apple-hover);
}

/* ==========================================
   Toast Notifications
   ========================================== */
.toast-container {
  position: fixed;
  bottom: 90px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 99;
  pointer-events: none;
}

.toast {
  padding: 10px 18px;
  background: var(--glass-surface-elevated);
  backdrop-filter: var(--blur-card);
  -webkit-backdrop-filter: var(--blur-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-modal);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  animation: appleSpringIn var(--duration-fast) var(--ease-apple);
  pointer-events: auto;
}

/* ==========================================
   Mobile Responsive Rules
   ========================================== */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 280px;
    min-width: 280px;
    transform: translateX(-100%);
    box-shadow: var(--shadow-modal);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .composer-dock {
    padding: 0 12px max(12px, env(safe-area-inset-bottom));
  }

  .composer-card {
    border-radius: var(--radius-lg);
    padding: 10px 12px 8px;
  }

  .top-navbar {
    padding: 0 14px;
  }
}

/* ==========================================
   Settings Modal
   ========================================== */
.settings-modal .modal-card {
  max-width: 480px;
}

.settings-tabs {
  display: flex;
  gap: 4px;
  padding: 14px 20px 0;
  border-bottom: 1px solid var(--border-glass);
}

.settings-tab {
  padding: 8px 16px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid transparent;
  border-bottom: none;
  transition: all var(--duration-fast) var(--ease-apple);
  position: relative;
  bottom: -1px;
}

.settings-tab:hover {
  color: var(--text-primary);
}

.settings-tab.active {
  color: var(--text-primary);
  background: var(--bg-app);
  border-color: var(--border-glass);
  font-weight: 600;
}

.settings-panel {
  display: none;
  padding: 20px;
  flex-direction: column;
  gap: 18px;
}

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

.settings-section-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  margin-bottom: -8px;
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.settings-row-label {
  font-size: 13.5px;
  font-weight: 450;
  color: var(--text-primary);
}

.settings-row-sub {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 2px;
}

/* Toggle Switch */
.toggle-switch {
  position: relative;
  width: 44px;
  height: 26px;
  flex-shrink: 0;
}

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

.toggle-track {
  position: absolute;
  inset: 0;
  border-radius: 99px;
  background: var(--glass-input);
  border: 1px solid var(--border-glass);
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease-apple),
              border-color var(--duration-fast) var(--ease-apple);
}

.toggle-track::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: white;
  box-shadow: 0 1px 4px rgba(0,0,0,0.25);
  transition: transform var(--duration-fast) var(--ease-spring);
}

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

.toggle-switch input:checked + .toggle-track::after {
  transform: translateX(18px);
}

/* Appearance Selector */
.appearance-selector {
  display: flex;
  gap: 10px;
}

.appearance-option {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 10px;
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-apple);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

.appearance-option:hover {
  border-color: var(--border-medium);
}

.appearance-option.selected {
  border-color: var(--accent-apple);
  color: var(--accent-apple);
  background: var(--accent-apple-soft);
}

.appearance-swatch {
  width: 40px;
  height: 28px;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
}

.swatch-light { background: linear-gradient(135deg, #f5f5f7, #e8e8ea); }
.swatch-dark  { background: linear-gradient(135deg, #1c1c1e, #090a0d); }
.swatch-system { background: linear-gradient(135deg, #e8e8ea 50%, #1c1c1e 50%); }

/* Account section info */
.settings-account-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--glass-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
}

.settings-account-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-apple), #7B61FF);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 600;
  flex-shrink: 0;
}

.settings-account-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow: hidden;
}

.settings-account-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.settings-account-email {
  font-size: 12px;
  color: var(--text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn-danger-outline {
  width: 100%;
  padding: 9px;
  border: 1px solid rgba(255, 59, 48, 0.4);
  border-radius: var(--radius-md);
  color: var(--status-error);
  font-size: 13px;
  font-weight: 500;
  transition: all var(--duration-fast) var(--ease-apple);
  background: transparent;
}

.btn-danger-outline:hover {
  background: rgba(255, 59, 48, 0.1);
  border-color: var(--status-error);
}