sky_phone/frontend/src/ui/foundation.css

.sky-ui-provider,
.sky-app {
  min-width: 0;
  min-height: 0;
  color: var(--sky-text);
  font-family: var(--sky-font-family);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent;
  -webkit-text-size-adjust: 100%;
}

.sky-app {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--sky-bg);
}

.sky-app-page {
  --sky-page-collapse-offset: 0px;
  position: relative;
  isolation: isolate;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--sky-bg);
  color: var(--sky-text);
  font-family: var(--sky-font-family);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

.sky-app-page__backdrop {
  position: absolute;
  z-index: -1;
  inset: 0;
  background: var(--sky-bg);
  pointer-events: none;
}

.sky-navbar {
  --sky-navbar-collapse-offset: 0px;
  --sky-navbar-compact-title-opacity: 0;
  --sky-navbar-extended-title-opacity: 1;
  --sky-navbar-safe-area-top: max(16px, var(--sky-safe-area-top));
  position: relative;
  z-index: 10;
  box-sizing: border-box;
  min-width: 0;
  min-height: calc(var(--sky-navbar-safe-area-top) + var(--sky-navbar-height));
  padding-top: var(--sky-navbar-safe-area-top);
  flex: none;
  color: var(--sky-text);
  background: transparent;
}

.sky-navbar__blur,
.sky-navbar__background {
  position: absolute;
  z-index: -1;
  top: 0;
  right: 0;
  left: 0;
  height: calc(
    var(--sky-navbar-safe-area-top) + var(--sky-navbar-height) + 16px
  );
  pointer-events: none;
}

.sky-navbar__blur {
  background: transparent;
}

.sky-navbar__background {
  background: linear-gradient(
    to bottom,
    var(--sky-navbar-glass, var(--sky-bg)) 0%,
    transparent 100%
  );
}

.sky-navbar--transparent .sky-navbar__heading {
  opacity: var(--sky-navbar-compact-title-opacity);
}

.sky-navbar--outline::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  content: '';
  background: var(--sky-hairline);
  transform: translateY(calc(0px - var(--sky-navbar-collapse-offset)))
    scaleY(var(--sky-hairline-scale));
  transform-origin: center bottom;
}

.sky-navbar--with-subnavbar .sky-navbar__blur,
.sky-navbar--with-subnavbar .sky-navbar__background {
  height: calc(
    var(--sky-navbar-safe-area-top) + var(--sky-navbar-height) + 70px + 16px
  );
}

.sky-navbar__inner {
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  height: var(--sky-navbar-height);
  padding-right: calc(var(--sky-page-gutter) + var(--sky-safe-area-right));
  padding-left: calc(var(--sky-page-gutter) + var(--sky-safe-area-left));
  display: grid;
  grid-template-columns:
    minmax(var(--sky-touch-target), 1fr)
    minmax(0, 2fr)
    minmax(var(--sky-touch-target), 1fr);
  align-items: center;
  margin-bottom: var(--sky-space-3);
}

.sky-navbar--no-navigation {
  padding-top: calc(
    var(--sky-navbar-safe-area-top) + var(--sky-navbar-height) +
      var(--sky-space-3)
  );
}

.sky-navbar__left,
.sky-navbar__right {
  width: max-content;
  max-width: 100%;
  min-width: 0;
  min-height: var(--sky-navbar-height);
  display: flex;
  align-items: center;
  overflow: hidden;
  border-radius: var(--sky-radius-pill);
}

.sky-navbar__left {
  grid-column: 1;
  justify-self: start;
  justify-content: flex-start;
}

.sky-navbar__right {
  grid-column: 3;
  justify-self: end;
  justify-content: flex-end;
}

.sky-navbar__heading {
  min-width: 0;
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  grid-column: 2;
  text-align: center;
}

.sky-navbar__title {
  min-width: 0;
  margin: 0;
  padding: 0 var(--sky-space-1);
  overflow: hidden;
  color: var(--sky-text);
  font-size: var(--sky-font-title);
  font-weight: 600;
  line-height: var(--sky-navbar-height);
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sky-navbar__subtitle {
  min-width: 0;
  max-width: 100%;
  margin: -10px 0 0;
  overflow: hidden;
  color: var(--sky-muted);
  font-size: 14px;
  font-weight: 500;
  line-height: 16px;
  text-align: inherit;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sky-navbar__back {
  box-sizing: border-box;
  max-width: 100%;
  min-width: var(--sky-touch-target);
  min-height: var(--sky-touch-target);
  margin: 0;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sky-space-1);
  border: 0;
  border-radius: var(--sky-radius-pill);
  appearance: none;
  color: inherit;
  background: transparent;
  font: inherit;
  cursor: pointer;
  transition:
    opacity 300ms ease,
    transform 100ms ease;
  -webkit-tap-highlight-color: transparent;
}

.sky-navbar__back-icon {
  width: 12px;
  height: 20px;
  display: block;
  flex: none;
  fill: currentColor;
}

.sky-navbar__back-label {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sky-navbar button,
.sky-navbar a {
  min-width: var(--sky-touch-target);
  min-height: var(--sky-touch-target);
}

.sky-navbar button:active,
.sky-navbar a:active {
  opacity: 0.58;
}

.sky-navbar__back:active {
  transform: scale(0.98);
  transition-duration: 0ms;
}

.sky-navbar__back--surface {
  width: var(--sky-touch-target);
  max-width: var(--sky-touch-target);
  padding: 0;
  justify-content: center;
  border: 0;
  border-radius: 50%;
  color: var(--sky-text);
  background: var(--sky-glass-solid);
  box-shadow: var(
    --sky-shadow-glass,
    inset 0 0 0 1px var(--sky-hairline),
    inset 0 0 5px 1px rgba(255, 255, 255, 0.35),
    0 4px 14px rgba(0, 0, 0, 0.16)
  );
}

.sky-navbar--medium {
  min-height: calc(
    var(--sky-navbar-safe-area-top) + var(--sky-navbar-height) +
      var(--sky-navbar-height)
  );
}

.sky-navbar--large {
  min-height: calc(
    var(--sky-navbar-safe-area-top) + var(--sky-navbar-height) +
      var(--sky-navbar-large-title-height)
  );
}

.sky-navbar--medium,
.sky-navbar--large {
  margin-bottom: calc(0px - var(--sky-navbar-collapse-offset));
  pointer-events: none;
}

.sky-navbar--medium .sky-navbar__inner,
.sky-navbar--large .sky-navbar__inner,
.sky-navbar--medium .sky-navbar__subnavbar,
.sky-navbar--large .sky-navbar__subnavbar {
  pointer-events: auto;
}

.sky-navbar__title-container {
  box-sizing: border-box;
  height: var(--sky-navbar-large-title-height);
  padding-right: calc(var(--sky-page-gutter) + var(--sky-safe-area-right));
  padding-left: calc(var(--sky-page-gutter) + var(--sky-safe-area-left));
  display: flex;
  align-items: center;
  opacity: var(--sky-navbar-extended-title-opacity);
  transform: translateY(calc(0px - var(--sky-navbar-collapse-offset)));
}

.sky-navbar--medium .sky-navbar__title-container {
  height: var(--sky-navbar-height);
}

.sky-navbar__collapsed-heading {
  position: absolute;
  z-index: 1;
  top: var(--sky-navbar-safe-area-top);
  right: calc(var(--sky-page-gutter) + var(--sky-safe-area-right));
  left: calc(var(--sky-page-gutter) + var(--sky-safe-area-left));
  height: var(--sky-navbar-height);
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  opacity: var(--sky-navbar-compact-title-opacity);
  pointer-events: none;
}

.sky-navbar__collapsed-heading .sky-navbar__title {
  line-height: var(--sky-navbar-height);
}

.sky-navbar__title-container > div {
  min-width: 0;
}

.sky-navbar__title-container .sky-navbar__title {
  padding: 0;
  font-weight: 700;
  text-align: left;
}

.sky-navbar--medium .sky-navbar__title-container .sky-navbar__title {
  font-size: var(--sky-font-medium-title);
  line-height: 32px;
}

.sky-navbar--large .sky-navbar__title-container .sky-navbar__title {
  font-size: var(--sky-font-large-title);
  line-height: 42px;
}

.sky-navbar__title-container .sky-navbar__subtitle {
  margin: -2px 0 0;
  text-align: left;
}

.sky-navbar__subnavbar {
  box-sizing: border-box;
  width: 100%;
  height: 56px;
  min-height: 56px;
  padding-right: calc(var(--sky-page-gutter) + var(--sky-safe-area-right));
  padding-left: calc(var(--sky-page-gutter) + var(--sky-safe-area-left));
  display: flex;
  align-items: center;
  flex: none;
}

.sky-navbar--with-subnavbar {
  padding-bottom: 56px;
}

.sky-navbar--with-subnavbar .sky-navbar__subnavbar {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  transform: translateY(calc(0px - var(--sky-navbar-collapse-offset)));
}

.sky-scroll-area {
  position: relative;
  z-index: 1;
  box-sizing: border-box;
  min-width: 0;
  min-height: 0;
  padding: 0;
  flex: 1 1 auto;
  overflow-x: hidden;
  overflow-y: auto;
  overflow-anchor: none;
  overscroll-behavior: contain;
  touch-action: pan-y;
  scrollbar-width: none;
}

.sky-scroll-area--padded {
  --sky-block-gutter-left: 0px;
  --sky-block-gutter-right: 0px;
  --sky-block-inset-gutter: 0px;
  --sky-block-outer-left: 0px;
  --sky-block-outer-right: 0px;
  --sky-block-strong-gutter: 16px;
  --sky-card-outer-left: 0px;
  --sky-card-outer-right: 0px;
  --sky-list-outer-left: 0px;
  --sky-list-outer-right: 0px;
  --sky-title-gutter-left: 0px;
  --sky-title-gutter-right: 0px;
  padding: var(--sky-page-space)
    calc(var(--sky-page-gutter) + var(--sky-safe-area-right))
    calc(var(--sky-safe-area-bottom) + var(--sky-page-space));
  padding-left: calc(var(--sky-page-gutter) + var(--sky-safe-area-left));
}

.sky-scroll-area::before {
  height: var(--sky-page-collapse-offset);
  display: block;
  content: '';
  pointer-events: none;
}

.sky-scroll-area--tabbar {
  padding-bottom: calc(
    var(--sky-safe-area-bottom) + var(--sky-tabbar-height) + var(--sky-space-3)
  );
}

.sky-scroll-area::-webkit-scrollbar {
  display: none;
}

.sky-infinite-loader {
  box-sizing: border-box;
  width: 100%;
  height: 1px;
  min-width: 0;
  margin: 0;
  display: grid;
  place-items: center;
  color: var(--sky-app-accent);
}

.sky-infinite-loader[hidden] {
  display: none;
}

.sky-infinite-loader--visible {
  height: auto;
  min-height: var(--sky-touch-target);
  margin: var(--sky-space-1) 0;
}

.sky-infinite-loader__retry.sky-link {
  min-height: var(--sky-touch-target);
  padding: 0 var(--sky-space-2);
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--sky-app-accent);
  font-weight: 600;
}

.sky-infinite-loader__retry.sky-link:active:not(:disabled) {
  background: transparent;
  opacity: 0.62;
}

.sky-scroll-rail {
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  padding: calc(var(--sky-space-1) / 2) 0;
  display: flex;
  align-items: center;
  gap: var(--sky-space-2);
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  touch-action: pan-x;
  scrollbar-width: none;
  cursor: grab;
}

.sky-scroll-rail > * {
  flex: 0 0 auto;
}

.sky-scroll-rail::-webkit-scrollbar {
  width: 0;
  height: 0;
  display: none;
}

.sky-scroll-rail--dragging,
.sky-scroll-rail--dragging * {
  user-select: none;
  cursor: grabbing;
}

.sky-widget-frame {
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows:
    minmax(0, 1fr)
    var(--sky-widget-label-height);
  gap: var(--sky-widget-label-gap);
}

.sky-widget-frame--unlabelled {
  grid-template-rows: minmax(0, 1fr);
  gap: 0;
}

.sky-widget-frame__surface {
  min-width: 0;
  min-height: 0;
}

.sky-widget-frame__label {
  min-width: 0;
  height: var(--sky-widget-label-height);
  overflow: hidden;
  color: var(--sky-widget-label-color, #fff);
  font-family:
    -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', sans-serif;
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: -0.15px;
  line-height: var(--sky-widget-label-height);
  text-align: center;
  text-overflow: ellipsis;
  text-shadow: 0 1px 4px rgb(0 0 0 / 72%);
  white-space: nowrap;
  pointer-events: none;
}

.sky-section {
  min-width: 0;
  margin: 0 0 var(--sky-space-6);
}

.sky-section__title {
  margin: var(--sky-space-5) 0 var(--sky-space-2);
  padding: 0;
  color: var(--sky-muted);
  font-size: var(--sky-font-title);
  font-weight: 600;
  line-height: var(--sky-space-5);
}

.sky-list-card {
  min-width: 0;
  margin: 0;
  padding: 0;
  overflow: hidden;
  color: var(--sky-text);
  list-style: none;
}

.sky-list-card--inset {
  border-radius: var(--sky-radius-card);
}

.sky-list-card--strong {
  background: var(--sky-surface);
}

.sky-list-card > li {
  min-width: 0;
  color: var(--sky-text);
}

.sky-list-card > li + li {
  border-top: 1px solid var(--sky-hairline);
}

.sky-list-card button,
.sky-list-card a,
.sky-list-card label {
  min-height: var(--sky-touch-target);
}

.sky-empty-state {
  box-sizing: border-box;
  min-height: 240px;
  margin: var(--sky-space-3) 0;
  padding: var(--sky-space-6) var(--sky-space-5);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sky-space-2);
  border: 1px solid var(--sky-hairline);
  border-radius: var(--sky-radius-card);
  background: var(--sky-surface);
  color: var(--sky-muted);
  text-align: center;
}

.sky-empty-state--compact {
  min-height: 150px;
  padding: var(--sky-space-5);
}

.sky-empty-state--danger .sky-empty-state__icon {
  color: var(--sky-danger);
}

.sky-empty-state__icon {
  min-height: 36px;
  display: grid;
  place-items: center;
  color: var(--sky-muted);
}

.sky-empty-state__title {
  color: var(--sky-text);
  font-size: var(--sky-font-title);
  font-weight: 650;
  line-height: 21px;
}

.sky-empty-state__body {
  max-width: 270px;
  margin: 0;
  color: var(--sky-muted);
  font-size: 13px;
  line-height: 18px;
}

.sky-empty-state__actions {
  width: 100%;
  margin-top: var(--sky-space-1);
}

.sky-empty-state__actions button,
.sky-empty-state__actions a {
  width: 100%;
  min-height: var(--sky-touch-target);
}

.sky-pill-navigation {
  position: absolute;
  z-index: 20;
  right: calc(var(--sky-safe-area-right) + var(--sky-space-4));
  bottom: calc(var(--sky-safe-area-bottom) + 10px);
  left: calc(var(--sky-safe-area-left) + var(--sky-space-4));
  box-sizing: border-box;
  min-width: 0;
  min-height: 56px;
  pointer-events: none;
}

.sky-pill-navigation__inner {
  width: 100%;
  min-width: 0;
  min-height: 56px;
  display: flex;
  align-items: center;
  gap: var(--sky-space-3);
}

.sky-pill-navigation__group {
  min-width: 0;
  max-width: 100%;
  display: flex;
  pointer-events: auto;
}

.sky-pill-navigation__group > .sky-segmented {
  max-width: 100%;
  flex: none;
}

.sky-pill-navigation__group--end {
  margin-inline-start: auto;
}

.sky-pill-navigation--full .sky-pill-navigation__group--primary {
  width: 100%;
  flex: 1 1 auto;
}

.sky-pill-navigation--full
  .sky-pill-navigation__group--primary
  > .sky-segmented {
  width: 100%;
  flex: 1 1 auto;
}

.sky-pill-navigation--compact .sky-pill-navigation__inner {
  justify-content: center;
}

.sky-pill-navigation--compact.sky-pill-navigation--align-start
  .sky-pill-navigation__inner {
  justify-content: flex-start;
}

.sky-pill-navigation--compact.sky-pill-navigation--align-end
  .sky-pill-navigation__inner {
  justify-content: flex-end;
}

.sky-pill-navigation--split .sky-pill-navigation__inner {
  justify-content: space-between;
}

.sky-pill-navigation--compact .sky-segmented-button,
.sky-pill-navigation--split .sky-segmented-button {
  width: 60px;
  flex: 0 0 60px;
}

.sky-tabbar {
  --sky-tabbar-pane-height: 48px;
  position: absolute;
  z-index: 20;
  right: 0;
  bottom: 0;
  left: 0;
  box-sizing: border-box;
  min-height: calc(
    var(--sky-safe-area-bottom) + var(--sky-tabbar-pane-height) + 16px
  );
  display: flex;
  justify-content: center;
  padding-right: calc(var(--sky-safe-area-right) + 16px);
  padding-bottom: calc(var(--sky-safe-area-bottom) + 16px);
  padding-left: calc(var(--sky-safe-area-left) + 16px);
  color: var(--sky-text);
}

.sky-tabbar--icons.sky-tabbar--labels {
  --sky-tabbar-pane-height: 64px;
}

.sky-tabbar__blur,
.sky-tabbar__background {
  width: 100%;
  height: calc(
    var(--sky-safe-area-bottom) + var(--sky-tabbar-pane-height) + 32px
  );
  position: absolute;
  bottom: 0;
  left: 0;
  pointer-events: none;
}

.sky-tabbar__blur {
  display: none;
}

.sky-tabbar__background {
  background: linear-gradient(to top, var(--sky-bg), transparent);
}

.sky-tabbar__inner {
  width: 100%;
  min-width: 0;
  height: var(--sky-tabbar-pane-height);
  position: relative;
}

.sky-tabbar__pane {
  width: 100%;
  min-width: 0;
  height: 100%;
  overflow: hidden;
  border: 0;
  border-radius: var(--sky-radius-pill);
}

.sky-tabbar__links {
  width: 100%;
  height: 100%;
  min-width: 0;
  position: relative;
  z-index: 1;
  display: flex;
  align-items: stretch;
}

.sky-tabbar__links > .sky-toolbar-pane {
  width: 100%;
  height: 100%;
  min-width: 0;
  display: flex;
  align-items: stretch;
  border-radius: inherit;
  background: transparent;
  box-shadow: none;
}

.sky-tabbar__links > .sky-toolbar-pane::after {
  display: none;
}

.sky-tabbar__links > .sky-toolbar-pane > .sky-tab-button {
  min-width: 0;
  min-height: var(--sky-tabbar-pane-height);
  flex: 1 1 0;
}

.sky-tabbar__highlight {
  height: 100%;
  position: absolute;
  z-index: 0;
  top: 0;
  left: 0;
  border-radius: inherit;
  pointer-events: none;
  transition: transform 300ms ease;
}

[dir='rtl'] .sky-tabbar__highlight,
.sky-tabbar[dir='rtl'] .sky-tabbar__highlight {
  right: 0;
  left: auto;
}

.sky-tabbar__highlight-inner,
.sky-tabbar__highlight-thumb {
  position: absolute;
  inset: 4px;
  border-radius: inherit;
  pointer-events: none;
  transition:
    opacity 300ms ease,
    transform 300ms ease;
}

.sky-tabbar__highlight-inner {
  background: var(--sky-tabbar-highlight-background, rgba(0, 0, 0, 0.1));
}

.sky-tabbar__highlight-thumb {
  background: var(--sky-tabbar-thumb-background, rgba(0, 0, 0, 0.05));
  box-shadow: var(--sky-shadow-glass-thumb);
  opacity: 0;
}

.sky-tabbar__highlight--pressed .sky-tabbar__highlight-inner {
  opacity: 0;
  transform: scale(1.4);
}

.sky-tabbar__highlight--pressed .sky-tabbar__highlight-thumb {
  opacity: 1;
  transform: scale(1.4);
}

.sky-tabbar__links > button,
.sky-tabbar__links > a {
  box-sizing: border-box;
  min-width: 0;
  min-height: var(--sky-tabbar-pane-height);
  margin: 0;
  padding: 4px 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1 1 0;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  appearance: none;
  color: inherit;
  background: transparent;
  font: inherit;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color 200ms ease,
    color 200ms ease,
    opacity 200ms ease,
    transform 200ms ease;
  -webkit-tap-highlight-color: transparent;
}

@supports (
  (-webkit-backdrop-filter: blur(2px)) or (backdrop-filter: blur(2px))
) {
  .sky-navbar__back--surface {
    background: var(--sky-glass);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
  }

  .sky-tabbar__blur {
    display: block;
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
    -webkit-mask-image: linear-gradient(transparent 0%, #000 50%, #000 100%);
    mask-image: linear-gradient(transparent 0%, #000 50%, #000 100%);
  }
}

@supports (
  ((-webkit-backdrop-filter: blur(2px)) or (backdrop-filter: blur(2px))) and
    (
      (-webkit-mask-image: linear-gradient(#000, transparent)) or
        (mask-image: linear-gradient(#000, transparent))
    )
) {
  .sky-navbar__blur {
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
    -webkit-mask-image: linear-gradient(to bottom, #000 50%, transparent 100%);
    mask-image: linear-gradient(to bottom, #000 50%, transparent 100%);
  }
}

.sky-tabbar__links > button > span,
.sky-tabbar__links > a > span {
  min-width: 0;
  max-width: 100%;
}

.sky-navbar button:focus-visible,
.sky-navbar a:focus-visible,
.sky-list-card button:focus-visible,
.sky-list-card a:focus-visible,
.sky-list-card input:focus-visible,
.sky-list-card select:focus-visible,
.sky-list-card textarea:focus-visible,
.sky-empty-state button:focus-visible,
.sky-empty-state a:focus-visible,
.sky-tabbar button:focus-visible,
.sky-tabbar a:focus-visible {
  outline: 2px solid var(--sky-app-accent);
  outline-offset: -2px;
}

@media (prefers-reduced-motion: reduce) {
  .sky-scroll-rail {
    scroll-behavior: auto !important;
  }

  .sky-app-page *,
  .sky-app-page *::before,
  .sky-app-page *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}