/* ==========================================================================
   1. IMPORTS & CSS VARIABLES
   ========================================================================== */

@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700&display=swap");

:root {
  /* Typography */
  --md-ref-typeface-brand: "DM Sans", system-ui;
  --md-ref-typeface-plain: system-ui;

  /* Colors */
  --bg-primary: var(--md-sys-color-surface-container);
  --bg-secondary: var(--md-sys-color-surface);
  --bg-tertiary: var(--md-sys-color-surface-container);
  --bg-quaternary: var(--md-sys-color-surface-container-highest);
  --border-color: transparent;
  --text-primary: var(--md-sys-color-on-surface);
  --text-secondary: var(--md-sys-color-on-surface-variant);
  --text-tertiary: var(--md-sys-color-outline);
  --text-tertiary-rgb: 121, 116, 126;
  --accent-color: var(--md-sys-color-primary);
  --success-color: var(--md-sys-color-tertiary);
  --error-color: var(--md-sys-color-error);

  /* Layout & Effects */
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --card-radius: 16px;
  --safe-area-bottom: env(safe-area-inset-bottom, 0px);
  --keyboard-height: 0px;

  /* Transitions */
  --transition-transform: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-opacity: opacity 0.25s ease;
  --transition-colors: background-color 0.3s ease, color 0.3s ease;

  /* Z-Index Scale */
  --z-fab: 99;
  --z-bottom-nav: 100;
  --z-view: 1000;
  --z-modal: 1001;
  --z-modal-header: 10;
}

/* ==========================================================================
   2. GLOBAL RESET & BASE STYLES
   ========================================================================== */

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

*::-webkit-scrollbar {
  display: none;
}

html,
body {
  padding: 0;
  margin: 0;
  font-family: var(--md-ref-typeface-plain);
  font-optical-sizing: auto;
}

body {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  height: 100dvh;
  height: 100vh;
  height: -webkit-fill-available;
  display: flex;
  flex-direction: column;
  font-size: 14px;
  overflow: hidden;
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  cursor: default;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   3. LAYOUT STRUCTURE
   ========================================================================== */

.app-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  height: 100%;
}

.content {
  flex: 1;
  position: relative;
  overflow-y: auto;
  padding: 16px;
  padding-bottom: calc(80px + var(--safe-area-bottom));
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
  overscroll-behavior-y: contain;
}

#messengerView,
#charactersView {
  width: 100%;
}

.tab-title {
  font-size: 28px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 24px;
  padding-left: 4px;
}

.settings-icon {
  position: absolute;
  right: 1rem;
}

/* ==========================================================================
   4. NAVIGATION
   ========================================================================== */

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--md-sys-color-surface);
  padding: 12px 24px calc(12px + var(--safe-area-bottom));
  display: flex;
  gap: 20px;
  justify-content: center;
  z-index: var(--z-bottom-nav);
}

.nav-item {
  flex: 1;
  max-width: 180px;
  padding: 12px;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 12px;
  transition: var(--transition-colors);
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  min-height: 48px;
}

.nav-item.active {
  color: var(--text-primary);
  background: var(--bg-quaternary);
}

.nav-icon {
  font-size: 20px;
}

.nav-text {
  font-size: 14px;
  font-weight: 500;
}

/* ==========================================================================
   5. FLOATING ACTION BUTTON
   ========================================================================== */

.fab {
  position: fixed;
  bottom: calc(80px + var(--safe-area-bottom));
  right: 20px;
  z-index: var(--z-fab);
  transition: transform 0.2s ease;
  user-select: none;
  -webkit-user-select: none;
}

.fab:active {
  transform: scale(0.95);
}

.fab md-icon {
  transition: transform 0.3s ease;
}

.fab .rotate-message {
  transform: rotate(-30deg);
  transition: transform 0.3s ease;
}

/* ==========================================================================
   6. MODAL COMPONENTS
   ========================================================================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    visibility 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: var(--z-modal);
  display: flex;
  align-items: flex-end;
  cursor: default;
  will-change: opacity, visibility;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-overlay.active .delete-dialog {
  transform: scale(1);
  opacity: 1;
}

.modal {
  width: 100%;
  background: var(--bg-tertiary);
  border-radius: 20px 20px 0 0;
  transform: translateY(100%);
  transition: var(--transition-transform);
  will-change: transform;
  position: relative;
  max-height: 90dvh;
  max-height: 90vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.modal.active {
  transform: translateY(0);
}

.modal-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  background: var(--bg-tertiary);
  z-index: var(--z-modal-header);
}

.modal-header h2 {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
  color: var(--text-primary);
}

.modal-content {
  padding: 1rem;
  padding-bottom: calc(24px + var(--safe-area-bottom));
  scroll-behavior: smooth;
  overscroll-behavior-y: contain;
  -webkit-overflow-scrolling: touch;
}

/* ==========================================================================
   7. CHARACTER CARDS
   ========================================================================== */

.characters-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.character-card {
  position: relative;
  width: 100%;
  height: 230px;
  background: var(--bg-tertiary);
  border-radius: var(--card-radius);
  overflow: hidden;
  transition: var(--transition-transform), var(--transition-colors);
  cursor: pointer;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
}

.character-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 100px;
  background: linear-gradient(
    to bottom,
    var(--md-sys-color-primary-container) 0%,
    transparent 100%
  );
  opacity: 0.05;
  pointer-events: none;
}

.status-indicator {
  position: absolute;
  top: 12px;
  left: 12px;
  width: 8px;
  height: 8px;
  background: var(--md-sys-color-primary);
  border-radius: 50%;
  opacity: 0.8;
  z-index: 2;
}

.character-card-content {
  padding: 20px;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.character-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.character-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-size: cover;
  background-position: center;
  background-color: var(--bg-quaternary);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
  position: relative;
  overflow: hidden;
}

.character-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.character-avatar-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: var(--text-primary);
  font-size: 18px;
  font-weight: 600;
  font-family: var(--md-ref-typeface-brand);
}

.character-delete-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--md-sys-color-surface-variant);
  opacity: 0.5;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-colors);
  color: var(--md-sys-color-on-surface-variant);
}

.character-delete-btn:hover {
  opacity: 1;
}

.character-delete-btn md-icon {
  font-size: 16px;
  width: 16px;
  height: 16px;
}

.character-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.character-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
  max-width: calc(100% - 40px);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: var(--md-ref-typeface-brand);
}

.character-description {
  font-size: 12px;
  color: var(--text-secondary);
  opacity: 0.75;
  line-height: 18px;
  max-height: 36px;
  overflow: hidden;
  display: -webkit-box;
  --webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  font-family: var(--md-ref-typeface-brand);
}

.chat-button {
  --md-filled-tonal-button-container-shape: 0rem;
  margin-top: 16px;
  height: 40px;
  border-radius: 12px;
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: var(--transition-colors);
  font-size: 14px;
  font-weight: 500;
  font-family: var(--md-ref-typeface-brand);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.chat-button:hover {
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.chat-button md-icon {
  font-size: 18px;
  width: 18px;
  height: 18px;
}

/* ==========================================================================
   8. CONVERSATION LIST
   ========================================================================== */

.conversation-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.conversation-item {
  display: flex;
  align-items: center;
  padding: 16px;
  background: var(--bg-tertiary);
  border-radius: var(--card-radius);
  cursor: pointer;
  transition: var(--transition-transform), var(--transition-colors);
  position: relative;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
}

.conversation-item.dropdown-open {
  z-index: 1001;
}

.conversation-avatar {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  margin-right: 16px;
  background-size: cover;
  background-position: center;
  background-color: var(--bg-quaternary);
  aspect-ratio: 1;
  object-fit: cover;
}

.conversation-details {
  flex: 1;
  min-width: 0;
}

.conversation-name {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.conversation-message {
  font-size: 13px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ==========================================================================
   9. CONTROLS & MENUS
   ========================================================================== */

.character-controls,
.conversation-controls {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  gap: 8px;
  opacity: 0;
  transition: var(--transition-opacity);
  pointer-events: none;
}

.character-card:hover .character-controls,
.conversation-item:hover .conversation-controls,
.character-card:focus-within .character-controls,
.conversation-item:focus-within .conversation-controls {
  opacity: 1;
  pointer-events: auto;
}

/* Mobile Menu */
.mobile-menu {
  position: absolute;
  top: 8px;
  right: 8px;
  display: none;
}

.mobile-menu-btn {
  --md-icon-button-size: 36px;
  --md-icon-button-icon-size: 18px;
  opacity: 0.8;
}

.mobile-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--bg-tertiary);
  border-radius: 8px;
  box-shadow: var(--shadow);
  min-width: 120px;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s ease;
  margin-top: 4px;
  pointer-events: none;
}

.mobile-dropdown.show {
  pointer-events: auto;
}

.mobile-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-menu-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 12px 16px;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-size: 14px;
  cursor: pointer;
  transition: background-color 0.2s ease;
  text-align: left;
}

.mobile-menu-item:hover {
  background: var(--bg-quaternary);
}

.mobile-menu-item:first-child {
  border-radius: 8px 8px 0 0;
}

.mobile-menu-item:last-child {
  border-radius: 0 0 8px 8px;
}

.mobile-menu-item.delete-item {
  color: var(--text-primary);
}

.mobile-menu-item.delete-item:hover {
  background: var(--bg-quaternary);
}

.mobile-menu-item md-icon,
.mobile-menu-item span {
  font-size: 18px;
  width: 18px;
  height: 18px;
}

.mobile-menu-item span {
  font-weight: 500;
  width: auto;
  height: auto;
}

/* ==========================================================================
   10. VIEWS (Settings & Archive)
   ========================================================================== */

.settings-view,
.archive-view {
  position: fixed;
  inset: 0;
  background: var(--bg-secondary);
  z-index: var(--z-view);
  transform: translateX(100%);
  transition: var(--transition-transform);
  display: flex;
  flex-direction: column;
  padding-bottom: var(--safe-area-bottom);
}

.settings-view.active,
.archive-view.active {
  transform: translateX(0);
}

.settings-header,
.archive-header {
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
}

.settings-header h2,
.archive-header h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.settings-content {
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.settings-content md-list {
  width: 100%;
  background: transparent;
}

.settings-content md-list-item {
  --md-list-item-container-color: var(--bg-tertiary);
  --md-list-item-container-shape: var(--card-radius);
  margin: 8px 16px;
  border-radius: var(--card-radius);
}

.settings-content md-list-item::part(container) {
  border-radius: var(--card-radius);
}

.settings-content md-icon {
  color: var(--text-secondary);
}

.archived-conversations {
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  -webkit-overflow-scrolling: touch;
  min-height: 100%;
}

.archive-folder {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--bg-tertiary);
  border-radius: var(--card-radius);
  margin-bottom: 16px;
  cursor: pointer;
  transition: var(--transition-transform), var(--transition-colors);
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
}

.archive-folder md-icon {
  font-size: 20px;
  color: var(--text-secondary);
}

.archive-folder span:not(.archive-count) {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
}

.archive-count {
  margin-left: auto;
  background: var(--accent-color);
  color: var(--md-sys-color-on-primary);
  font-size: 12px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 12px;
  min-width: 20px;
  text-align: center;
}

/* ==========================================================================
   11. FORMS
   ========================================================================== */

.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-tertiary);
  font-size: 13px;
  font-weight: 500;
}

.modal md-filled-text-field {
  width: 100%;
}

.modal form {
  display: flex;
  flex-direction: column;
}

.modal md-filled-button {
  width: 100%;
  padding: 1rem;
}

.modal textarea {
  min-height: 120px;
  resize: vertical;
}

/* ==========================================================================
   12. DELETE DIALOG
   ========================================================================== */

.delete-dialog {
  background: var(--bg-tertiary);
  border-radius: 28px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
  max-width: 400px;
  margin: 0 auto;
  overflow: hidden;
  transform: scale(0.9);
  opacity: 0;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform, opacity;
}

/* Small devices - 90% width */
@media (max-width: 480px) {
  .delete-dialog {
    width: 90%;
    max-width: 90%;
    margin: 0 auto;
  }

  .delete-dialog-title {
    font-size: 20px;
  }

  .delete-dialog-text {
    font-size: 14px;
  }
}

/* Regular mobile devices - 80% width */
@media (max-width: 767px) and (min-width: 481px) {
  .delete-dialog {
    width: 80%;
    max-width: 80%;
    margin: 0 auto;
  }
}

.delete-dialog-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-quaternary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 24px auto 16px;
}

.delete-dialog-icon md-icon {
  color: var(--text-primary);
  font-size: 24px;
  width: 24px;
  height: 24px;
}

.delete-dialog-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  margin: 0 24px 8px;
  font-family: var(--md-ref-typeface-brand);
}

.delete-dialog-text {
  font-size: 16px;
  color: var(--text-secondary);
  text-align: center;
  margin: 0 24px 24px;
  line-height: 1.5;
  font-family: var(--md-ref-typeface-brand);
}

.delete-dialog-buttons {
  display: flex;
  gap: 8px;
  padding: 0 24px 24px;
  justify-content: center;
}

.delete-dialog-cancel,
.delete-dialog-confirm {
  padding: 12px 24px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--md-ref-typeface-brand);
  border: none;
  cursor: pointer;
  transition: var(--transition-colors);
  min-width: 80px;
}

.delete-dialog-cancel {
  background: transparent;
  color: var(--text-primary);
}

.delete-dialog-cancel:hover {
  background: var(--bg-quaternary);
}

.delete-dialog-confirm {
  background: var(--accent-color);
  color: var(--md-sys-color-on-primary);
}

.delete-dialog-confirm:hover {
  opacity: 0.9;
}

/* ==========================================================================
   13. UTILITY CLASSES
   ========================================================================== */

.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  aspect-ratio: 1;
  border: 3px solid rgba(226, 227, 216, 0.3);
  border-radius: 50%;
  border-top-color: var(--text-primary);
  animation: spin 1s ease-in-out infinite;
  margin-right: 8px;
}

.empty-state {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--text-secondary);
  width: 100%;
  padding: 0 32px;
  animation: fadeIn 0.3s ease;
}

.empty-state md-icon {
  opacity: 0.5;
  color: var(--text-secondary);
}

.empty-state p {
  margin: 0 0 8px;
  font-size: 16px;
}

.empty-state .empty-hint {
  font-size: 14px;
  opacity: 0.7;
  margin: 0;
}

/* ==========================================================================
   14. INTERACTIVE STATES
   ========================================================================== */

/* Active States */
.character-card:active,
.conversation-item:active,
.archive-folder:active {
  transform: scale(0.98);
}

.conversation-item:active,
.archive-folder:active {
  background: var(--bg-quaternary);
}

/* Focus States */
.nav-item:focus-visible,
.character-card:focus-visible,
.conversation-item:focus-visible,
.archive-folder:focus-visible,
.fab:focus-visible {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
  border-radius: var(--card-radius);
}

/* ==========================================================================
   15. ANIMATIONS
   ========================================================================== */

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translate(-50%, -48%);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%);
  }
}

/* ==========================================================================
   16. FEATURE QUERIES
   ========================================================================== */

@supports (padding: max(0px)) {
  .bottom-nav {
    padding-bottom: max(12px, env(safe-area-inset-bottom));
  }

  .fab {
    bottom: max(80px, calc(80px + env(safe-area-inset-bottom)));
  }

  .modal-content {
    padding-bottom: max(24px, calc(24px + env(safe-area-inset-bottom)));
  }

  .archive-view,
  .settings-view {
    padding-bottom: max(0px, env(safe-area-inset-bottom));
  }
}

@supports (container-type: inline-size) {
  .characters-grid {
    container-type: inline-size;
  }
}

/* ==========================================================================
   17. MEDIA QUERIES
   ========================================================================== */

/* Mobile Touch Devices */
@media (max-width: 768px) and (hover: none) {
  .modal-overlay {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: rgba(0, 0, 0, 0.85);
  }
}

/* Mobile Specific */
@media (max-width: 767px) {
  .desktop-controls {
    display: none !important;
  }

  .mobile-menu {
    display: block;
  }
}

/* Tablet & Desktop */
@media (min-width: 768px) {
  .app-container {
    flex-direction: row;
    height: 100vh;
  }

  .bottom-nav {
    position: fixed;
    left: 0;
    top: 0;
    width: 180px;
    height: 100vh;
    flex-direction: column;
    justify-content: flex-start;
    padding-top: 2rem;
    background: var(--bg-tertiary);
    border-right: 1px solid var(--border-color);
    border-top: none;
  }

  .nav-item {
    flex: 0;
    padding: 16px 8px;
    width: 100%;
    max-width: 100%;
  }

  .content {
    position: absolute;
    inset: 0 0 0 180px;
    padding: 32px;
    margin: 0;
  }

  #messengerView,
  #charactersView {
    padding-bottom: 32px;
  }

  .characters-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 24px;
  }

  .modal-overlay {
    align-items: center;
  }

  .modal {
    width: 90%;
    max-width: 600px;
    margin: 0 auto;
    border-radius: 20px;
    transform: translateY(20px);
    max-height: 80vh;
  }

  .fab {
    bottom: 32px;
    right: 32px;
  }

  .archive-view,
  .settings-view {
    width: 400px;
    left: auto;
  }

  .conversation-list {
    gap: 16px;
  }

  .conversation-item {
    padding: 20px;
  }

  .character-controls,
  .conversation-controls {
    opacity: 1;
    border-radius: 8px;
    padding: 4px;
    pointer-events: auto;
  }

  .desktop-controls {
    display: flex;
  }
}

/* Large Desktop */
@media (min-width: 1024px) {
  .bottom-nav {
    width: 200px;
  }

  .content {
    left: 200px;
    border-radius: 24px;
    margin: 24px;
    padding: 32px;
  }

  .modal {
    max-width: 800px;
  }

  .characters-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  }
}

/* Hover Support */
@media (hover: hover) {
  .nav-item:hover,
  .conversation-item:hover,
  .archive-folder:hover {
    background: var(--bg-quaternary);
  }
}

/* ==========================================================================
   18. ACCESSIBILITY
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   19. PRINT STYLES
   ========================================================================== */

@media print {
  body,
  .app-container {
    overflow: visible;
    position: static;
    height: auto;
    background: #fff;
    color: #000;
  }

  .bottom-nav,
  .fab,
  .settings-icon,
  .character-controls,
  .conversation-controls,
  .modal-overlay,
  .settings-header,
  .archive-header {
    display: none !important;
  }

  .content {
    padding: 0;
    position: static;
    overflow: visible;
    height: auto;
    left: 0;
  }

  .modal {
    position: static;
    transform: none;
    max-height: none;
    overflow: visible;
    box-shadow: none;
    border: 1px solid #ccc;
  }

  .character-card,
  .conversation-item {
    page-break-inside: avoid;
  }
}