/* ═══════════════════════════════════════════════════
   Miuix Components
   TopAppBar · NavigationBar · FAB · Snackbar · Buttons
   Exact specs from Miuix source:
   - TopAppBar.kt (SmallTopAppBar)
   - NavigationBar.kt
   - FloatingActionButton.kt
   - Colors.kt (lightColorScheme)
   ═══════════════════════════════════════════════════ */

/* ── TopAppBar (Miuix SmallTopAppBar) ──
   From TopAppBar.kt:
   - CollapsedHeight = 52dp
   - SmallTopAppBarCenterHeight = 50dp
   - TitlePadding = 26dp, NavigationIconPadding = 16dp, ActionIconPadding = 16dp
   - Title: title3 (20sp, Medium), onSurface
   - Subtitle: body2 (14sp), onSurfaceVariantSummary
   - SubtitleBottomPadding = 8dp
*/
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  height: calc(var(--topbar-h) + var(--safe-top));
  padding: var(--safe-top) max(var(--content-card-pad), calc((100vw - var(--content-max)) / 2 + var(--content-card-pad))) 0;
  background: var(--mi-surface);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: var(--mi-divider-thickness) solid transparent;
  z-index: 100;
  transition: border-color var(--mi-duration-color) var(--ease), background var(--mi-duration-color) var(--ease);
}

.topbar.scrolled {
  background: var(--mi-surface);
  border-bottom-color: var(--mi-divider-line);
  box-shadow: none;
}

.topbar-title {
  font-size: var(--fs-title3);
  font-weight: var(--fw-medium);
  color: var(--mi-on-surface);
  line-height: 1.2;
  letter-spacing: 0;
  padding: 0 var(--topbar-title-pad-x);
  text-align: center;
  max-width: 90%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color var(--mi-duration-color) var(--ease);
}

.topbar-icon-action {
  position: absolute;
  right: max(var(--content-card-pad), calc((100vw - var(--content-max)) / 2 + var(--content-card-pad)));
  bottom: var(--topbar-action-bottom);
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--icon-button-size);
  height: var(--icon-button-size);
  min-width: var(--icon-button-size);
  min-height: var(--icon-button-size);
  padding: 0;
  border-radius: var(--r-full);
  color: var(--mi-on-surface);
  transition: background var(--mi-duration-press-out) var(--ease), transform var(--mi-duration-press-out) var(--ease-spring), opacity var(--mi-duration-press-out) var(--ease-out);
}

.topbar-icon-action svg {
  width: var(--icon-size);
  height: var(--icon-size);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.topbar-sort-asc-icon {
  display: none;
}

.topbar-icon-action.sort-asc .topbar-sort-desc-icon {
  display: none;
}

.topbar-icon-action.sort-asc .topbar-sort-asc-icon {
  display: block;
}

.topbar-icon-action:hover {
  background: var(--mi-state-hover);
}

.topbar-icon-action:active,
.topbar-icon-action.open {
  background: var(--mi-state-pressed);
  transform: scale(var(--mi-sink-scale));
}

.topbar-action {
  position: absolute;
  left: max(var(--content-card-pad), calc((100vw - var(--content-max)) / 2 + var(--content-card-pad)));
  bottom: var(--topbar-action-bottom);
  min-width: var(--button-min-w);
  min-height: var(--button-min-h);
  padding: var(--navbar-icon-top-pad) var(--searchbar-pad-x);
  border-radius: var(--r-md);
  color: var(--mi-primary);
  font-size: var(--fs-button);
  transition: background var(--mi-duration-press-out) var(--ease), transform var(--mi-duration-press-out) var(--ease-spring), opacity var(--mi-duration-press-out) var(--ease-out);
}

.topbar-action:active {
  background: var(--mi-primary-state-focus);
  transform: scale(var(--mi-sink-scale));
}

.topbar-action.hidden {
  opacity: 0;
  pointer-events: none;
}

.topbar-subtitle {
  display: none;
}

/* ── SearchBar ──
   From SearchBar.kt:
   - InputFieldMinHeight = 45dp
   - InsideMargin = DpSize(12dp, 0dp)
   - InputFieldFontSize = 17sp, Medium
   - Leading padding start/end = 16dp/8dp
   - Trailing padding start/end = 8dp/16dp
   - Shape = CircleShape, background = surfaceContainerHigh
*/
.miuix-searchbar-shell {
  width: min(100%, var(--content-max));
  min-height: var(--searchbar-h);
  margin: 0 auto;
  padding: var(--searchbar-pad-x) max(var(--searchbar-pad-x), var(--content-pad));
}

.miuix-searchbar-row {
  display: flex;
  align-items: center;
  width: min(100%, var(--content-max));
  height: var(--searchbar-input-h);
  margin: 0 auto;
  gap: 0;
}

.miuix-searchbar-field {
  flex: 1 1 auto;
  min-width: 0;
  min-height: var(--searchbar-input-h);
  display: flex;
  align-items: center;
  border-radius: var(--r-full);
  background: var(--mi-surface-container-high);
  color: var(--mi-on-surface-container-highest);
  transition: background var(--mi-duration-press-out) var(--ease), transform var(--mi-duration-press-out) var(--ease-spring);
}

.miuix-searchbar-field:focus-within {
  background: var(--mi-surface-container-high);
}

.miuix-searchbar-leading {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-left: var(--search-leading-start);
  padding-right: var(--search-leading-end);
  color: var(--mi-on-surface-container-high);
}

.miuix-searchbar-leading svg,
.miuix-searchbar-clear svg {
  width: var(--icon-size);
  height: var(--icon-size);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.miuix-searchbar-field input {
  flex: 1 1 auto;
  min-width: 0;
  height: var(--searchbar-input-h);
  padding: 0;
  color: var(--mi-on-surface-container-highest);
  font-size: var(--fs-main);
  font-weight: var(--fw-medium);
  line-height: var(--searchbar-input-h);
}

.miuix-searchbar-field input::placeholder {
  color: var(--mi-on-surface-container-high);
  opacity: 1;
}

.miuix-searchbar-field input::-webkit-search-decoration,
.miuix-searchbar-field input::-webkit-search-cancel-button {
  display: none;
}

.miuix-searchbar-clear {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: calc(var(--search-trailing-start) + var(--icon-size) + var(--search-trailing-end));
  height: var(--searchbar-input-h);
  padding-left: var(--search-trailing-start);
  padding-right: var(--search-trailing-end);
  border-radius: var(--r-full);
  color: var(--mi-on-surface-container-highest);
  opacity: 0;
  transform: scale(var(--mi-media-enter-scale));
  pointer-events: none;
  transition: opacity var(--mi-duration-popup-in) var(--ease-out), transform var(--mi-duration-search) var(--ease-spring), background var(--mi-duration-press-out) var(--ease);
}

.miuix-searchbar-shell.has-query .miuix-searchbar-clear {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

.miuix-searchbar-clear:active {
  background: var(--mi-state-focus);
  transform: scale(var(--mi-sink-scale));
}

.miuix-searchbar-cancel {
  flex: 0 0 auto;
  width: 0;
  min-width: 0;
  height: var(--searchbar-input-h);
  padding: 0;
  margin-left: 0;
  border-radius: var(--r-full);
  color: var(--mi-primary);
  font-size: var(--fs-main);
  font-weight: var(--fw-normal);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translateX(var(--content-gap));
  transition: width var(--mi-duration-search) var(--ease-spring), margin var(--mi-duration-search) var(--ease-spring), opacity var(--mi-duration-dialog) var(--ease-out), transform var(--mi-duration-search) var(--ease-spring), background var(--mi-duration-press-out) var(--ease);
}

.miuix-searchbar-shell.searching .miuix-searchbar-cancel {
  width: var(--button-min-w);
  margin-left: var(--content-gap);
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
}

.miuix-searchbar-cancel:hover {
  background: var(--mi-primary-state-hover);
}

.miuix-searchbar-cancel:active {
  background: var(--mi-primary-state-focus);
  transform: scale(var(--mi-sink-scale));
}

.miuix-window-menu-dim {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: none;
  background: var(--mi-window-dimming);
  backdrop-filter: var(--mi-window-backdrop-filter);
  -webkit-backdrop-filter: var(--mi-window-backdrop-filter);
  opacity: 0;
  pointer-events: none;
}

.miuix-window-menu-dim.open {
  display: block;
  pointer-events: auto;
  animation: miuixWindowMenuDimIn var(--mi-duration-dim-in) var(--ease-sin-out) both;
}

.miuix-window-menu-dim.closing {
  display: block;
  pointer-events: none;
  animation: miuixWindowMenuDimOut var(--mi-duration-dim-out) var(--ease-sin-out) both;
}

/* ── WindowIconDropdownMenu / WindowDropdownPopup ──
   From Dropdown/ListPopup:
   - IconButton min size 40dp, corner 40dp
   - Popup min width 200dp, max width 288dp, corner 16dp
   - Popup rows use Dropdown horizontal padding 20dp and vertical padding 12dp/20dp
   - Icon min size 26dp, icon end padding 12dp, check icon 20dp
   - Alpha enter/exit use ListPopup source duration tokens
*/
.miuix-window-menu {
  position: fixed;
  top: calc(var(--safe-top) + var(--topbar-menu-top));
  right: max(var(--content-card-pad), calc((100vw - var(--content-max)) / 2 + var(--content-card-pad)));
  z-index: 1000;
  display: none;
  width: clamp(var(--menu-min-w), 52vw, var(--menu-max-w));
  min-width: var(--menu-min-w);
  min-height: var(--menu-min-h);
  padding: 0;
  border: 0.5px solid color-mix(in srgb, var(--mi-outline) 72%, transparent);
  border-radius: var(--r-md);
  background: color-mix(in srgb, var(--mi-surface-container) 86%, transparent);
  backdrop-filter: blur(18px) saturate(1.18);
  -webkit-backdrop-filter: blur(18px) saturate(1.18);
  color: var(--mi-on-surface-container);
  box-shadow: var(--shadow-popup);
  overflow: hidden;
  opacity: 0;
  transform: translateY(-4px) scale(var(--mi-popup-enter-scale));
  transform-origin: top right;
  pointer-events: none;
}

.miuix-window-menu.open {
  display: block;
  pointer-events: auto;
  animation:
    miuixWindowMenuAlphaIn var(--mi-duration-popup-in) var(--ease-out) both,
    miuixWindowMenuFractionIn var(--mi-duration-popup-fraction) var(--ease-folme-popup) both;
}

.miuix-window-menu.closing {
  display: block;
  pointer-events: none;
  animation:
    miuixWindowMenuAlphaOut var(--mi-duration-popup-out) var(--ease-out) both,
    miuixWindowMenuFractionOut var(--mi-duration-popup-fraction) var(--ease-folme-popup) both;
}

.miuix-window-menu-item {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: var(--menu-item-h);
  padding: var(--menu-item-pad-y) var(--menu-item-pad-x);
  box-sizing: border-box;
  color: var(--mi-on-surface-container);
  font-size: var(--fs-main);
  line-height: 1.2;
  text-align: left;
  transition: background var(--mi-duration-press-out) var(--ease), transform var(--mi-duration-press-out) var(--ease-spring);
}

.miuix-window-menu-item[aria-checked="true"] {
  color: var(--mi-primary);
}

.miuix-window-menu-item:first-child {
  padding-top: var(--menu-edge-pad-y);
}

.miuix-window-menu-item:last-child {
  padding-bottom: var(--menu-edge-pad-y);
}

.miuix-window-menu-item:hover {
  background: var(--mi-state-hover);
}

.miuix-window-menu-item:active {
  background: var(--mi-state-pressed);
}

.miuix-window-menu-icon {
  flex: 0 0 var(--menu-icon);
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--menu-icon);
  height: var(--menu-icon);
  margin-right: var(--menu-icon-gap);
  color: currentColor;
}

.miuix-window-menu-icon svg {
  width: var(--icon-size);
  height: var(--icon-size);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.miuix-window-menu-check svg {
  width: var(--menu-check);
  height: var(--menu-check);
  fill: currentColor;
  stroke: none;
}

.miuix-window-menu-text {
  flex: 1 1 auto;
  max-width: var(--menu-text-max);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.miuix-window-menu-check {
  flex: 0 0 var(--menu-check);
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--menu-check);
  height: var(--menu-check);
  margin-left: var(--menu-check-gap);
  color: var(--mi-primary);
  opacity: 0;
}

.miuix-window-menu-item[aria-checked="true"] .miuix-window-menu-check {
  opacity: 1;
}

@keyframes miuixWindowMenuDimIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes miuixWindowMenuDimOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

@keyframes miuixWindowMenuAlphaIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes miuixWindowMenuAlphaOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

@keyframes miuixWindowMenuFractionIn {
  from {
    transform: translateY(-4px) scale(var(--mi-popup-enter-scale));
    clip-path: inset(0 0 100% 0 round var(--r-md));
  }
  to {
    transform: translateY(0) scale(1);
    clip-path: inset(0 0 0 0 round var(--r-md));
  }
}

@keyframes miuixWindowMenuFractionOut {
  from {
    transform: translateY(0) scale(1);
    clip-path: inset(0 0 0 0 round var(--r-md));
  }
  to {
    transform: translateY(-4px) scale(var(--mi-popup-enter-scale));
    clip-path: inset(0 0 100% 0 round var(--r-md));
  }
}

.selection-bar {
  position: absolute;
  inset: 0 var(--navbar-pad-x) var(--safe-bottom);
  z-index: 2;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: var(--floating-toolbar-spacing);
  min-height: var(--navbar-h);
  padding: 0;
  border-radius: 0;
  background: transparent;
  color: var(--mi-on-surface);
  opacity: 0;
  pointer-events: none;
  transform: translateY(var(--content-gap));
  transition: opacity var(--mi-duration-nav) var(--ease-out), transform var(--mi-duration-nav) var(--ease-spring);
}

.selection-bar.open {
  display: flex;
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.navbar.selection-mode .nav-item {
  opacity: 0;
  pointer-events: none;
  transform: translateY(calc(var(--content-gap) * -1)) scale(var(--mi-sink-scale));
}

.navbar.selection-mode ~ .fab {
  transform: translateY(var(--fab-hide-offset-sm)) scale(var(--mi-fab-enter-scale));
  opacity: 0;
  pointer-events: none;
}

.selection-bar button {
  flex: 1;
  min-width: 0;
  min-height: var(--navbar-h);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--selection-label-gap);
  padding: var(--navbar-icon-top-pad) 0 var(--navbar-bottom-pad);
  border-radius: var(--r-lg);
  color: var(--mi-on-surface-container);
  font-size: var(--navbar-label);
  font-weight: var(--fw-normal);
  transition: opacity var(--mi-duration-nav) var(--ease), transform var(--mi-duration-nav) var(--ease-spring);
}

.selection-bar button svg {
  width: var(--navbar-icon);
  height: var(--navbar-icon);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.selection-bar button:active {
  transform: scale(var(--mi-sink-scale));
  opacity: var(--mi-nav-unselected-pressed-alpha);
}

.selection-bar button:disabled {
  opacity: var(--mi-disabled-alpha);
  pointer-events: none;
}

.selection-bar button.active {
  color: var(--mi-featured-badge);
}

.selection-bar button.active svg {
  fill: currentColor;
}

/* ── NavigationBar (Miuix spec) ──
   ItemHeight: 64dp, IconSize: 26dp, LabelFontSize: 12sp
   Background and unselected alpha come from Miuix source tokens
   Mobile: bottom horizontal bar. Desktop: left vertical rail.
*/
.navbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  height: calc(var(--navbar-h) + var(--safe-bottom));
  padding: 0 var(--navbar-pad-x) var(--safe-bottom);
  background: var(--mi-surface);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-top: var(--mi-divider-thickness) solid var(--mi-divider-line);
  z-index: 100;
}

.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  min-width: 0;
  height: var(--navbar-h);
  padding: var(--navbar-icon-top-pad) 0 var(--navbar-bottom-pad);
  cursor: pointer;
  color: var(--mi-on-surface-container);
  opacity: var(--mi-nav-unselected-alpha);
  font-size: var(--navbar-label);
  font-weight: var(--fw-normal);
  letter-spacing: 0;
  border-radius: var(--r-lg);
  transition: opacity var(--mi-duration-nav) var(--ease), transform var(--mi-duration-nav) var(--ease-spring);
  position: relative;
}

.nav-item .nav-icon {
  width: var(--navbar-icon);
  height: var(--navbar-icon);
  display: block;
  transition: transform var(--mi-duration-nav) var(--ease-spring), opacity var(--mi-duration-nav) var(--ease);
}

.nav-item:active {
  transform: scale(var(--mi-sink-scale));
  opacity: var(--mi-nav-unselected-pressed-alpha);
}

.nav-item.active:active {
  opacity: var(--mi-nav-selected-pressed-alpha);
}

.nav-item.active {
  color: var(--mi-on-surface-container);
  opacity: 1;
  font-weight: var(--fw-bold);
}

.nav-item.active .nav-icon {
  transform: scale(1);
}

/* ── Snackbar ── */
.snackbar {
  position: fixed;
  bottom: calc(var(--navbar-h) + var(--safe-bottom) + var(--content-card-pad));
  left: 50%;
  transform: translateX(-50%) translateY(var(--snackbar-enter-y));
  min-height: var(--snackbar-min-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--content-gap-md);
  background: var(--mi-on-secondary-variant);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  color: var(--mi-secondary-variant);
  padding: calc(var(--snackbar-pad) - 2px) var(--snackbar-pad);
  box-sizing: border-box;
  border-radius: var(--r-md);
  font-size: var(--fs-body2);
  font-weight: var(--fw-normal);
  line-height: 1.25;
  box-shadow: none;
  z-index: 2147483647;
  opacity: 0;
  transition: opacity var(--mi-duration-popup-in) var(--ease-out), transform var(--mi-duration-popup-in) var(--ease-spring);
  pointer-events: none;
  max-width: calc(100vw - (var(--content-card-pad) * 2));
  white-space: nowrap;
  overflow: hidden;
}

.snackbar-message {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.snackbar-action {
  flex: 0 0 auto;
  min-height: 32px;
  padding: 0 12px;
  border: 0;
  border-radius: var(--r-full);
  background: transparent;
  color: var(--mi-primary);
  font: inherit;
  font-weight: var(--fw-bold);
  cursor: pointer;
}

.snackbar-undo {
  padding: 10px 14px 13px var(--snackbar-pad);
}

.snackbar-undo .snackbar-action {
  min-width: 50px;
  min-height: 24px;
  margin-left: 14px;
  padding: 0 11px;
  border-radius: var(--r-full);
  background: var(--mi-primary);
  color: var(--mi-on-primary);
  font-weight: var(--fw-normal);
}

.snackbar-progress {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  border-radius: 0 0 var(--r-md) var(--r-md);
  background: var(--mi-primary);
  transform-origin: left center;
  animation: snackbar-progress-shrink 5000ms linear forwards;
}

@keyframes snackbar-progress-shrink {
  from { transform: scaleX(1); }
  to { transform: scaleX(0); }
}

.snackbar-action:disabled {
  opacity: var(--mi-disabled-alpha);
  pointer-events: none;
}

.snackbar.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

/* ── Debug panel ── */
.debug-overlay {
  position: fixed;
  inset: 0;
  z-index: 2147483600;
  display: none;
  align-items: flex-end;
  justify-content: center;
  padding: calc(var(--safe-top) + var(--dialog-margin)) var(--dialog-margin) calc(var(--safe-bottom) + var(--dialog-margin));
  box-sizing: border-box;
  background: var(--mi-dialog-overlay);
  backdrop-filter: blur(8px) saturate(0.94);
  -webkit-backdrop-filter: blur(8px) saturate(0.94);
}

.debug-overlay.open {
  display: flex;
}

.debug-overlay.closing {
  display: flex;
  pointer-events: none;
}

.debug-panel {
  width: min(var(--dialog-max-w), 100%);
  padding: var(--dialog-pad);
  box-sizing: border-box;
  border-radius: var(--dialog-corner);
  background: var(--mi-background);
  color: var(--mi-on-background);
}

.debug-title {
  padding-bottom: var(--content-block-gap);
  color: var(--mi-on-background);
  font-size: var(--fs-title4);
  font-weight: var(--fw-medium);
  line-height: 1.2;
  text-align: center;
}

.debug-message {
  padding-bottom: var(--content-block-gap);
  color: var(--mi-on-surface-secondary);
  font-size: var(--fs-body1);
  line-height: 1.45;
  text-align: center;
}

.debug-reset-btn {
  width: 100%;
  min-height: var(--menu-item-h);
  border-radius: var(--r-md);
  background: var(--mi-error);
  color: var(--mi-on-error);
  font-size: var(--fs-button);
  transition: background var(--mi-duration-press-out) var(--ease), transform var(--mi-duration-press-out) var(--ease-spring);
}

.debug-reset-btn:active {
  background: var(--mi-error-container);
  color: var(--mi-error);
  transform: scale(var(--mi-sink-scale));
}

@media (min-width: 840px) and (min-height: 480px) {
  .debug-overlay {
    align-items: center;
  }
}

/* ── FAB (Miuix FloatingActionButton) ──
   MinWidth/MinHeight: 60dp
   ContainerColor: primary token
   ShadowElevation: 4dp
   Shape: CircleShape
   Content centered via Box(contentAlignment = Center)
*/
.fab {
  position: fixed;
  bottom: calc(var(--navbar-h) + var(--safe-bottom) + var(--fab-mobile-bottom-gap));
  right: max(var(--content-card-pad), calc((100vw - var(--content-max)) / 2 + var(--content-card-pad)));
  width: var(--fab-size);
  height: var(--fab-size);
  border-radius: var(--r-full);
  background: var(--mi-primary);
  color: var(--mi-on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-float);
  z-index: 90;
  padding: 0;
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  will-change: transform, opacity;
  animation: fabEnter var(--mi-duration-popup-in) var(--ease-spring);
  transition:
    transform var(--mi-duration-nav) var(--ease-spring),
    opacity var(--mi-duration-nav) var(--ease-out),
    visibility 0s linear 0s,
    background var(--mi-duration-color);
  /* FAB icon is an SVG path; use an inline SVG for perfect centering */
}

.fab svg {
  width: var(--nav-rail-icon);
  height: var(--nav-rail-icon);
  fill: none;
  stroke: currentColor;
  stroke-width: 2.5;
  stroke-linecap: round;
  display: block;
}

.fab:active {
  transform: translateY(0) scale(var(--mi-sink-scale));
  background: var(--mi-primary-container);
}

.fab.fab-hidden {
  transform: translateY(var(--dialog-pad)) scale(var(--mi-dialog-enter-scale));
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    transform var(--mi-duration-dialog) var(--ease-out),
    opacity var(--mi-duration-popup-in) var(--ease-out),
    visibility 0s linear var(--mi-duration-dialog),
    background var(--mi-duration-color);
}

@keyframes fabEnter {
  from {
    opacity: 0;
    transform: translateY(var(--fab-hide-offset-sm)) scale(var(--mi-fab-enter-scale));
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ── Empty state ── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 55vh;
  padding: var(--empty-pad-y) var(--empty-pad-x);
  text-align: center;
  color: var(--mi-on-surface-summary);
  animation: miuixFadeIn var(--mi-duration-popup-in) var(--ease-out) both;
}

.empty-state .icon {
  width: var(--navbar-h);
  height: var(--navbar-h);
  border-radius: var(--r-lg);
  background: var(--mi-surface-container);
  box-shadow: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--empty-icon-font);
  margin-bottom: var(--content-card-pad);
  opacity: var(--mi-empty-icon-alpha);
}

.empty-state .icon svg {
  width: var(--empty-icon-font);
  height: var(--empty-icon-font);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.empty-state .title {
  font-size: var(--fs-main);
  font-weight: var(--fw-normal);
  color: var(--mi-on-surface-secondary);
  margin-bottom: var(--content-gap);
}

.empty-state .desc {
  font-size: var(--fs-body2);
  line-height: 1.5;
  max-width: var(--empty-desc-max-w);
}

/* ── Buttons (Miuix style) ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--button-content-gap);
  min-width: var(--button-min-w);
  min-height: var(--button-min-h);
  padding: var(--button-pad-y) var(--button-pad-x);
  border-radius: var(--r-md);
  font-size: var(--fs-button);
  font-weight: var(--fw-normal);
  transition: transform var(--mi-duration-press-out) var(--ease-spring), background var(--mi-duration-press-out) var(--ease);
  letter-spacing: 0;
  white-space: nowrap;
}

.btn-primary {
  background: var(--mi-primary);
  color: var(--mi-on-primary);
  box-shadow: none;
}

.btn-primary:active {
  background: var(--mi-primary-container);
  transform: scale(var(--mi-sink-scale));
}

.btn-secondary {
  background: var(--mi-secondary-variant);
  color: var(--mi-on-secondary-variant);
  border: 0.5px solid var(--mi-outline);
}

.btn-secondary:active {
  background: var(--mi-surface-container-high);
  transform: scale(var(--mi-sink-scale));
}

.btn-ghost {
  color: var(--mi-primary);
  background: transparent;
}

.btn-ghost:active {
  background: var(--mi-primary-state-focus);
  transform: scale(var(--mi-sink-scale));
}

/* ── Site record ── */
.site-record {
  width: min(100%, var(--content-max));
  margin: 0 auto;
  padding: 14px max(16px, var(--content-pad)) 20px;
  color: var(--mi-on-surface-summary);
  font-size: var(--fs-footnote1);
  line-height: 1.35;
  text-align: center;
}

.site-record a {
  color: inherit;
  text-decoration: none;
  transition: color var(--mi-duration-color) var(--ease), opacity var(--mi-duration-press-out) var(--ease-out);
}

.site-record a:hover {
  color: var(--mi-primary);
}

.site-record a:active {
  opacity: var(--mi-nav-unselected-pressed-alpha);
}

/* ── Miuix confirm dialog ── */
.miuix-confirm-overlay {
  position: fixed;
  inset: 0;
  z-index: 2147483000;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: calc(var(--safe-top) + var(--dialog-margin)) var(--dialog-margin) calc(var(--safe-bottom) + var(--dialog-margin));
  box-sizing: border-box;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  opacity: 1;
  pointer-events: auto;
}

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

.miuix-confirm-overlay.closing {
  pointer-events: none;
}

.miuix-confirm-dialog {
  width: min(var(--dialog-max-w), 100%);
  max-height: calc(100vh - var(--safe-top) - var(--safe-bottom) - (var(--dialog-margin) * 2));
  overflow: auto;
  padding: var(--dialog-pad);
  box-sizing: border-box;
  border: 0.5px solid var(--mi-dialog-border);
  border-radius: var(--dialog-corner);
  background: var(--mi-dialog-surface);
  color: var(--mi-dialog-on-surface);
  box-shadow: var(--mi-dialog-shadow);
  transform: translate3d(0, 100vh, 0);
  backface-visibility: hidden;
  contain: paint;
  will-change: transform, opacity;
}

.miuix-confirm-overlay.closing .miuix-confirm-dialog {
  pointer-events: none;
}

.miuix-confirm-title {
  width: 100%;
  padding-bottom: var(--content-block-gap);
  font-size: var(--fs-title4);
  font-weight: var(--fw-medium);
  color: var(--mi-dialog-on-surface);
  line-height: 1.2;
  text-align: center;
}

.miuix-confirm-message {
  width: 100%;
  padding-bottom: var(--content-block-gap);
  color: var(--mi-dialog-on-muted);
  font-size: var(--fs-body1);
  font-weight: var(--fw-normal);
  line-height: 1.45;
  text-align: center;
}

.miuix-text-dialog-input {
  display: block;
  width: 100%;
  min-height: var(--text-dialog-min-h);
  margin: 0 0 var(--content-block-gap);
  padding: var(--content-card-pad);
  box-sizing: border-box;
  border: 0.5px solid var(--mi-dialog-border);
  outline: 0;
  resize: none;
  border-radius: var(--r-md);
  background: var(--mi-dialog-field);
  color: var(--mi-dialog-on-surface);
  font-size: var(--fs-main);
  line-height: 1.5;
}

.miuix-text-dialog-input:focus {
  background: var(--mi-dialog-field);
  box-shadow: inset 0 0 0 2px var(--mi-primary);
}

.miuix-text-dialog-input:not(textarea) {
  min-height: var(--menu-item-h);
  height: var(--menu-item-h);
  line-height: 1.2;
}

.miuix-confirm-actions {
  display: flex;
  justify-content: center;
  gap: var(--dialog-action-gap);
  margin-top: 0;
  padding-top: 0;
  padding-bottom: 0;
}

.miuix-confirm-actions.hidden {
  display: none;
}

.miuix-confirm-actions button {
  flex: 1 1 0;
  min-width: var(--button-min-w);
  min-height: var(--button-min-h);
  padding: var(--button-pad-y) var(--button-pad-x);
  box-sizing: border-box;
  border: 0.5px solid var(--mi-dialog-border);
  border-radius: var(--r-md);
  background: var(--mi-dialog-button);
  color: var(--mi-dialog-on-surface);
  font-size: var(--fs-button);
  font-weight: var(--fw-normal);
  line-height: 1.2;
  text-align: center;
  transition: background var(--mi-duration-press-out) var(--ease), transform var(--mi-duration-press-out) var(--ease-spring);
}

.miuix-confirm-actions button:active {
  background: var(--mi-dialog-button-pressed);
  transform: scale(var(--mi-sink-scale));
}

.miuix-confirm-ok {
  background: var(--mi-primary);
  color: var(--mi-on-primary) !important;
}

.miuix-confirm-ok:active {
  background: var(--mi-primary-container) !important;
}

.miuix-confirm-overlay.destructive .miuix-confirm-ok {
  background: var(--mi-error);
  color: var(--mi-on-error) !important;
}

.miuix-confirm-dialog .debug-title {
  color: var(--mi-dialog-on-surface);
}

.miuix-confirm-dialog .debug-message {
  color: var(--mi-dialog-on-muted);
}

.miuix-confirm-overlay.destructive .miuix-confirm-actions .miuix-confirm-ok {
  background: var(--mi-error);
  color: var(--mi-on-error) !important;
}

.miuix-confirm-overlay:not(.destructive) .miuix-confirm-ok {
  background: var(--mi-primary);
  color: var(--mi-on-primary) !important;
}

.miuix-confirm-overlay.destructive .miuix-confirm-ok:active {
  background: var(--mi-error-pressed) !important;
}

.miuix-confirm-overlay.destructive .miuix-confirm-message {
  text-align: left;
}

.miuix-confirm-overlay.error .miuix-confirm-title,
.miuix-confirm-overlay.error .miuix-confirm-message {
  color: var(--mi-error);
}

.miuix-confirm-overlay.error .miuix-confirm-message {
  text-align: left;
}

.miuix-confirm-overlay.error .miuix-text-dialog-input {
  background: var(--mi-error-field);
  color: var(--mi-dialog-on-surface);
}

.miuix-confirm-overlay.error .miuix-text-dialog-input:focus {
  background: var(--mi-error-field);
  box-shadow: inset 0 0 0 2px var(--mi-error);
}

.miuix-confirm-overlay.error .miuix-confirm-ok {
  background: var(--mi-error);
  color: var(--mi-on-error) !important;
}

.miuix-confirm-overlay.error .miuix-confirm-ok:active {
  background: var(--mi-error-pressed) !important;
  color: var(--mi-on-error) !important;
}

/* ── Quick photo detail editor ── */
.quickedit-overlay {
  position: fixed;
  inset: 0;
  z-index: 2147483500;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  height: var(--quickedit-layout-height, 100vh);
  padding: 18px max(14px, env(safe-area-inset-left, 0px)) calc(var(--safe-bottom) + var(--quickedit-visible-bottom-inset, 0px) + 14px);
  box-sizing: border-box;
  background: color-mix(in srgb, var(--mi-window-dimming) 86%, transparent);
  backdrop-filter: blur(14px) saturate(1.08);
  -webkit-backdrop-filter: blur(14px) saturate(1.08);
  opacity: 0;
  pointer-events: none;
  overflow: hidden;
  overscroll-behavior: none;
  touch-action: none;
  transition: opacity 240ms var(--ease-sin-out);
}

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

.quickedit-overlay.closing {
  opacity: 0;
  pointer-events: none;
  transition-duration: 190ms;
}

.quickedit-panel {
  width: min(100%, 520px);
  max-height: min(74vh, calc(var(--quickedit-layout-height, 100vh) - var(--safe-top) - var(--safe-bottom) - 28px));
  display: flex;
  flex-direction: column;
  padding: 10px 14px 14px;
  box-sizing: border-box;
  border: 0.5px solid color-mix(in srgb, var(--mi-outline) 46%, transparent);
  border-radius: var(--bottom-sheet-corner);
  background:
    linear-gradient(180deg, rgba(255,255,255,.64), rgba(255,255,255,.52)),
    var(--mi-dialog-surface);
  color: var(--mi-dialog-on-surface);
  box-shadow: 0 12px 34px rgba(0,0,0,.16);
  transform: translate3d(0, calc(100% + var(--quickedit-keyboard-y, 0px)), 0);
  opacity: 1;
  overflow: hidden;
  will-change: transform;
}

.quickedit-overlay.open .quickedit-panel {
  transform: translate3d(0, var(--quickedit-keyboard-y, 0px), 0);
}

.quickedit-handle {
  width: var(--bottom-sheet-handle-w);
  height: var(--bottom-sheet-handle-h);
  flex: 0 0 auto;
  align-self: center;
  margin: 2px 0 13px;
  border-radius: var(--bottom-sheet-handle-r);
  background: var(--mi-sheet-handle-color);
  transition: width var(--mi-duration-press-out) var(--ease-sin-out);
}

.quickedit-handle:active {
  width: var(--bottom-sheet-handle-active-w);
  transition-duration: var(--mi-duration-press-in);
}

.quickedit-header {
  flex: 0 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--content-block-gap);
  padding: 0 2px 2px;
}

.quickedit-eyebrow {
  display: block;
  margin-bottom: 5px;
  color: var(--mi-primary);
  font-size: var(--fs-caption);
  font-weight: var(--fw-medium);
  line-height: 1;
}

.quickedit-header h2 {
  margin: 0;
  color: var(--mi-dialog-on-surface);
  font-size: var(--fs-title2);
  font-weight: var(--fw-medium);
  line-height: 1.12;
}

.quickedit-icon-btn {
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  margin-top: -2px;
  border: 0;
  border-radius: var(--r-full);
  background: color-mix(in srgb, var(--mi-secondary-variant) 72%, transparent);
  color: var(--mi-on-secondary-variant);
  cursor: pointer;
  transition:
    background var(--mi-duration-press-out) var(--ease),
    transform var(--mi-duration-press-out) var(--ease);
}

.quickedit-icon-btn svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}

.quickedit-icon-btn:active {
  transform: scale(var(--mi-sink-scale));
  background: var(--mi-surface-container-high);
}

.quickedit-summary {
  min-height: 21px;
  margin: 8px 2px 14px;
  color: var(--mi-dialog-on-muted);
  font-size: var(--fs-body2);
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.quickedit-body {
  min-height: 0;
  flex: 1 1 auto;
  overflow: auto;
  overscroll-behavior: contain;
  touch-action: pan-y;
  padding: 0 0 2px;
}

.quickedit-thought .quickedit-body {
  flex: 0 0 auto;
  overflow: visible;
  padding-top: var(--content-block-gap);
}

.quickedit-body::-webkit-scrollbar,
.quickedit-note-input::-webkit-scrollbar {
  display: none;
}

.quickedit-location-fields {
  display: grid;
  gap: var(--content-gap);
}

.quickedit-field-row {
  min-height: 58px;
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  align-items: center;
  gap: var(--content-gap);
  padding: 0 16px;
  border-radius: var(--r-md);
  background: var(--mi-dialog-field);
  box-shadow: inset 0 0 0 0.5px color-mix(in srgb, var(--mi-outline) 42%, transparent);
  transition:
    background var(--mi-duration-press-out) var(--ease),
    box-shadow var(--mi-duration-press-out) var(--ease);
}

.quickedit-field-row:focus-within {
  background: color-mix(in srgb, var(--mi-dialog-field) 82%, white);
  box-shadow: inset 0 0 0 2px var(--mi-primary);
}

.quickedit-field-row span {
  color: var(--mi-dialog-on-muted);
  font-size: var(--fs-body2);
  font-weight: var(--fw-medium);
}

.quickedit-field-input {
  width: 100%;
  min-width: 0;
  padding: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--mi-dialog-on-surface);
  font: inherit;
  font-size: var(--fs-main);
  line-height: 1.4;
  text-align: right;
}

.quickedit-thought-input {
  min-height: calc(2lh);
  resize: none;
  overflow: auto;
  text-align: left;
}

.quickedit-field-input::placeholder,
.quickedit-note-input::placeholder {
  color: color-mix(in srgb, var(--mi-dialog-on-muted) 58%, transparent);
}

.quickedit-error .quickedit-field-input::placeholder {
  color: color-mix(in srgb, var(--mi-error) 56%, transparent);
}

.quickedit-note-card {
  min-height: 144px;
  display: flex;
  flex-direction: column;
  padding: 16px;
  box-sizing: border-box;
  border-radius: var(--r-md);
  background: var(--mi-dialog-field);
  box-shadow: inset 0 0 0 0.5px color-mix(in srgb, var(--mi-outline) 36%, transparent);
}

.quickedit-note-card:focus-within {
  box-shadow: inset 0 0 0 1.5px var(--mi-primary);
}

.quickedit-note-input {
  width: 100%;
  min-height: 118px;
  flex: 1 1 auto;
  padding: 0;
  border: 0;
  outline: 0;
  resize: none;
  background: transparent;
  color: var(--mi-dialog-on-surface);
  font: inherit;
  font-size: var(--fs-title4);
  line-height: 1.55;
  touch-action: pan-y;
}

.quickedit-note-count {
  align-self: flex-end;
  margin-top: 12px;
  color: var(--mi-dialog-on-muted);
  font-size: var(--fs-caption);
}

.quickedit-actions {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: var(--content-gap);
  padding-top: 14px;
}

.quickedit-action {
  min-height: 50px;
  padding: 0 18px;
  border: 0;
  border-radius: var(--r-full);
  font: inherit;
  font-size: var(--fs-button);
  cursor: pointer;
  transition:
    background var(--mi-duration-press-out) var(--ease),
    transform var(--mi-duration-press-out) var(--ease);
}

.quickedit-action:active {
  transform: scale(var(--mi-sink-scale));
}

.quickedit-action.secondary {
  background: var(--mi-secondary-variant);
  color: var(--mi-on-secondary-variant);
}

.quickedit-action.primary {
  background: var(--mi-primary);
  color: var(--mi-on-primary);
  font-weight: var(--fw-medium);
}

.quickedit-error .quickedit-eyebrow,
.quickedit-error .quickedit-summary {
  color: var(--mi-error);
}

.quickedit-error .quickedit-field-row {
  background: var(--mi-error-field);
}

.quickedit-error .quickedit-field-row:focus-within {
  background: var(--mi-error-field);
  box-shadow: inset 0 0 0 2px var(--mi-error);
}

.quickedit-error .quickedit-action.primary {
  background: var(--mi-error);
  color: var(--mi-on-error);
}

.quickedit-error .quickedit-action.primary:active {
  background: var(--mi-error-pressed);
}

@media (min-width: 840px) and (min-height: 480px) {
  .miuix-confirm-overlay {
    align-items: center;
  }

  .miuix-confirm-dialog {
    max-height: calc((100vh - var(--safe-top) - var(--safe-bottom)) * var(--dialog-large-max-h-ratio));
    transform: scale3d(var(--mi-dialog-enter-scale), var(--mi-dialog-enter-scale), 1);
    opacity: 0;
  }

  .quickedit-overlay {
    align-items: center;
    padding: calc(var(--safe-top) + 24px) 24px calc(var(--safe-bottom) + var(--quickedit-visible-bottom-inset, 0px) + 24px);
  }

  /* Centered dialog form: same width family and breathing room as the
     confirm dialog instead of the phone bottom-sheet metrics. */
  .quickedit-panel {
    width: min(var(--dialog-max-w), calc(100vw - 48px));
    max-height: min(680px, calc(var(--quickedit-layout-height, 100vh) - var(--safe-top) - var(--safe-bottom) - 48px));
    padding: 22px var(--dialog-pad) var(--dialog-pad);
    border-radius: var(--dialog-corner);
  }

  .quickedit-overlay.open .quickedit-panel {
    transform: translate3d(0, 0, 0);
  }

  .quickedit-handle {
    display: none;
  }

  .quickedit-header {
    padding: 0 0 4px;
  }

  .quickedit-eyebrow {
    margin-bottom: 7px;
  }

  .quickedit-summary {
    margin: 8px 0 16px;
  }

  .quickedit-actions {
    grid-template-columns: 1fr 1fr;
    gap: var(--dialog-action-gap);
    padding-top: 20px;
  }

}

@media (max-width: 420px) {
  .quickedit-overlay {
    padding-right: 10px;
    padding-left: 10px;
  }

  .quickedit-panel {
    max-height: min(78vh, calc(var(--quickedit-layout-height, 100vh) - var(--safe-top) - var(--safe-bottom) - 18px));
    padding-right: 12px;
    padding-left: 12px;
  }

  .quickedit-header h2 {
    font-size: var(--fs-title3);
  }

  .quickedit-field-row {
    grid-template-columns: 62px minmax(0, 1fr);
    padding-right: 14px;
    padding-left: 14px;
  }

  .quickedit-note-input {
    font-size: var(--fs-main);
  }

}

@media (prefers-color-scheme: dark) {
  .quickedit-panel {
    background:
      linear-gradient(180deg, rgba(38,38,42,.82), rgba(28,28,31,.76)),
      var(--mi-dialog-surface);
    box-shadow: 0 14px 40px rgba(0,0,0,.38);
  }

  .quickedit-field-row:focus-within {
    background: color-mix(in srgb, var(--mi-dialog-field) 88%, white);
  }
}