/* ═══════════════════════════════════════════════════════════════
   Shared components replicated from core/designsystem/Components.kt,
   AppleButtons.kt and AppRootScreen.kt (bottom bar, banners, dialogs).
   ═══════════════════════════════════════════════════════════════ */

/* ── App viewport: mobile-first single column; §8.2 breakpoints ── */
#app {
  position: relative;
  height: 100dvh;
  overflow: hidden;
  background: var(--color-background);
}
.app-viewport {
  position: relative;
  height: 100%;
  margin: 0 auto;
  max-width: none;
}
@media (min-width: 768px) { .app-viewport { max-width: 640px; } }
@media (min-width: 1024px) { .app-viewport { max-width: 720px; } }

/* Full-bleed screen layer */
.screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  background: var(--color-background);
  overflow: hidden;
}
.screen-scroll {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

/* ── Screen enter transitions (BNBUMotion; AppRootScreen specs) ── */
@keyframes screen-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes screen-slide-in-right {
  from { transform: translateX(10%); }
  to { transform: translateX(0); }
}
@keyframes screen-slide-in-left {
  from { transform: translateX(-10%); }
  to { transform: translateX(0); }
}
.anim-enter-forward {
  animation:
    screen-fade-in var(--motion-standard) var(--ease-fast-out-slow-in) 40ms backwards,
    screen-slide-in-right var(--motion-emphasized) var(--ease-fast-out-slow-in) both;
}
.anim-enter-back {
  animation:
    screen-fade-in var(--motion-standard) var(--ease-fast-out-slow-in) 40ms backwards,
    screen-slide-in-left var(--motion-emphasized) var(--ease-fast-out-slow-in) both;
}
@keyframes sheet-slide-up {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

/* ── Press feedback (Motion.kt pressScale: 0.97 scale / 0.92 alpha) ── */
.pressable {
  transition: transform var(--motion-state) var(--ease-fast-out-slow-in),
    opacity var(--motion-state) var(--ease-fast-out-slow-in);
}
.pressable:active:not(:disabled):not([aria-disabled="true"]) {
  transform: scale(0.97);
  opacity: 0.92;
}
.pressable:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ── SwissPanel — 18dp radius / 18dp padding / surface / no shadow ── */
.swiss-panel {
  width: 100%;
  background: var(--color-surface);
  border-radius: var(--shape-large);
  padding: var(--card-padding);
}

/* ── Buttons ── */
.primary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  width: 100%;
  min-height: var(--primary-control-height);
  border-radius: var(--shape-medium);
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-size: 17px;
  line-height: 22px;
  font-weight: 600;
  padding: 0 var(--space-16);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
}
.primary-btn:active:not(:disabled) { box-shadow: none; }
.primary-btn:disabled {
  background: var(--color-surface-variant);
  color: var(--color-on-surface-variant);
  box-shadow: none;
  cursor: default;
}
.primary-btn.is-loading:disabled {
  background: color-mix(in srgb, var(--color-primary) 58%, transparent);
  color: var(--color-on-primary);
}
.primary-btn.shape-xl { border-radius: var(--shape-extra-large); }

/* ActionButton: filled=false → surfaceContainerHighest + primary text */
.tonal-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  width: 100%;
  min-height: var(--primary-control-height);
  border-radius: var(--shape-medium);
  background: var(--color-surface-container-highest);
  color: var(--color-primary);
  font-size: 17px;
  line-height: 22px;
  font-weight: 600;
  padding: 0 var(--space-16);
}
.tonal-btn:disabled {
  color: var(--color-on-surface-variant);
  opacity: 0.6;
  cursor: default;
}

.text-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  min-height: var(--touch-target);
  color: var(--color-primary);
  font-size: 17px;
  line-height: 22px;
  font-weight: 600;
  padding: 0 var(--space-8);
  border-radius: var(--shape-small);
}
.text-btn.compact { min-height: 0; padding: 0; }
.text-btn:disabled { color: var(--color-on-surface-variant); cursor: default; }

.outlined-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  width: 100%;
  min-height: var(--touch-target);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--shape-medium);
  color: var(--color-primary);
  font-size: 17px;
  font-weight: 600;
  background: transparent;
  padding: 0 var(--space-16);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-target);
  height: var(--touch-target);
  border-radius: 50%;
  color: var(--color-on-surface);
  flex: none;
}

/* ── Segmented control — surfaceContainerHighest track, 4dp pad/gap ── */
.segmented {
  display: flex;
  width: 100%;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--color-surface-container-highest);
  border-radius: var(--shape-small);
}
.segmented .segment {
  flex: 1;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--shape-small);
  color: var(--color-on-surface-variant);
  font-size: 17px;
  line-height: 22px;
  font-weight: 600;
  padding: 0 var(--space-8);
  white-space: nowrap;
  transition: background var(--motion-standard) var(--ease-fast-out-slow-in),
    color var(--motion-standard) var(--ease-fast-out-slow-in);
}
.segmented .segment[aria-checked="true"] {
  background: var(--color-surface);
  color: var(--color-on-surface);
}
.segmented.segmented-40 .segment { min-height: 40px; }

/* ── StatusBadge — 24dp pill, 10x6 padding ── */
.status-badge {
  display: inline-block;
  max-width: 100%;
  padding: 6px 10px;
  border-radius: var(--shape-extra-large);
  background: var(--color-surface-variant);
  color: var(--color-on-surface-variant);
  font-size: 13px;
  line-height: 18px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: background var(--motion-standard), color var(--motion-standard);
}
.status-badge.filled {
  background: var(--color-primary-container);
  color: var(--color-on-primary-container);
}

/* ── HourProgressBar — 8dp track, 10dp radius, 360ms scaleX ── */
.hour-progress {
  width: 100%;
  height: 8px;
  border-radius: var(--shape-small);
  background: var(--color-surface-variant);
  overflow: hidden;
}
.hour-progress .fill {
  height: 100%;
  border-radius: var(--shape-small);
  background: var(--color-primary);
  transform-origin: left center;
  transition: transform var(--motion-progress) var(--ease-fast-out-slow-in);
}

/* ── EmptyPlaceholder ── */
.empty-placeholder {
  width: 100%;
  background: var(--color-surface);
  border-radius: var(--shape-medium);
  padding: 18px;
}

/* ── ValidationPanel — errorContainer / 10dp radius / 12dp padding ── */
.validation-panel {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  width: 100%;
  background: var(--color-error-container);
  border-radius: var(--shape-small);
  padding: 12px;
  color: var(--color-on-error-container);
  font-size: 13px;
  line-height: 18px;
}
.validation-panel .icon { color: var(--color-error); flex: none; }

/* ── StatusMessagePanel — tertiaryContainer success card ── */
.status-message-panel {
  width: 100%;
  background: var(--color-tertiary-container);
  border-radius: var(--shape-medium);
  padding: 18px;
}
.status-message-panel .row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.status-message-panel .icon-check { color: var(--color-primary); flex: none; }

/* ── Text fields (OutlinedTextField) ── */
.field-label {
  display: block;
  font-size: 13px;
  line-height: 18px;
  font-weight: 500;
  color: var(--color-on-surface-variant);
  margin-bottom: 6px;
}
.text-field {
  width: 100%;
  min-height: 52px;
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--shape-medium);
  background: transparent;
  color: var(--color-on-surface);
  padding: 14px 16px;
  font-size: 17px;
  line-height: 24px;
  outline: none;
  transition: border-color var(--motion-quick);
}
.text-field::placeholder { color: var(--color-on-surface-variant); }
.text-field:focus { border-color: var(--color-primary); box-shadow: inset 0 0 0 1px var(--color-primary); }
.text-field.error { border-color: var(--color-error); }
.text-field.error:focus { box-shadow: inset 0 0 0 1px var(--color-error); }
.text-field:disabled { color: var(--color-on-surface-variant); background: var(--color-surface-container-low); }
textarea.text-field { resize: vertical; min-height: 96px; }
.field-supporting {
  font-size: 13px;
  line-height: 18px;
  color: var(--color-on-surface-variant);
  margin-top: 6px;
}
.field-supporting.error { color: var(--color-error); }

/* ── Circular progress indicator ── */
.spinner {
  display: inline-block;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 3px solid color-mix(in srgb, var(--color-primary) 22%, transparent);
  border-top-color: var(--color-primary);
  animation: spinner-rotate 0.9s linear infinite;
  flex: none;
}
.spinner.s18 { width: 18px; height: 18px; border-width: 2px; }
.spinner.s20 { width: 20px; height: 20px; border-width: 2px; }
.spinner.s22 { width: 22px; height: 22px; border-width: 2px; }
.spinner.s24 { width: 24px; height: 24px; border-width: 2.5px; }
.spinner.on-primary {
  border-color: color-mix(in srgb, var(--color-on-primary) 30%, transparent);
  border-top-color: var(--color-on-primary);
}
.spinner.on-error-container {
  border-color: color-mix(in srgb, var(--color-on-error-container) 30%, transparent);
  border-top-color: var(--color-on-error-container);
}
@keyframes spinner-rotate { to { transform: rotate(360deg); } }

/* ── Top back row (sub screens) ── */
.back-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  min-height: var(--touch-target);
  color: var(--color-primary);
  font-size: 17px;
  line-height: 22px;
  font-weight: 600;
  padding-right: var(--space-8);
  align-self: flex-start;
}

/* ── Floating bottom navigation (72dp, 32dp radius, 6dp shadow) ── */
.bottom-nav-wrap {
  position: absolute;
  left: var(--space-20);
  right: var(--space-20);
  bottom: var(--space-12);
  z-index: 30;
}
.bottom-nav {
  display: flex;
  align-items: center;
  height: 72px;
  padding: 0 var(--space-4);
  background: var(--color-surface);
  border-radius: 32px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.16), 0 1px 3px rgba(0, 0, 0, 0.1);
}
.bottom-nav .nav-item {
  flex: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-on-surface-variant);
  min-width: 0;
}
.bottom-nav .nav-item .pill {
  width: 100%;
  max-width: 60px;
  height: 40px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  transition: background var(--motion-state) var(--ease-fast-out-slow-in),
    transform var(--motion-state) var(--ease-fast-out-slow-in);
}
.bottom-nav .nav-item .nav-label {
  font-size: 11px;
  line-height: 14px;
  font-weight: 500;
  letter-spacing: 0.1px;
  width: 100%;
  padding: 0 2px;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color var(--motion-state);
}
.bottom-nav .nav-item[aria-selected="true"] {
  color: var(--color-primary);
}
.bottom-nav .nav-item[aria-selected="true"] .pill {
  background: var(--color-primary-container);
  transform: translateY(-2px);
}

/* ── Banners (AppRootScreen) ── */
.banner {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 16px;
  flex: none;
}
.banner .icon { flex: none; }
.banner.read-only { background: var(--color-secondary-container); color: var(--color-on-secondary-container); }
.banner.planned { background: var(--color-tertiary-container); color: var(--color-on-tertiary-container); }
.banner.sync-error { background: var(--color-error-container); color: var(--color-on-error-container); padding: 8px 16px; }
.banner .banner-title { font-size: 15px; line-height: 20px; font-weight: 600; }
.banner .banner-body { font-size: 13px; line-height: 18px; }
.banner .banner-text { flex: 1; min-width: 0; }

/* ── Dialog (Material AlertDialog on BNBUShapes.extraLarge) ── */
.dialog-scrim {
  position: absolute;
  inset: 0;
  z-index: 60;
  background: var(--overlay-black-45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-24);
  animation: fade-in var(--motion-quick) ease-out;
}
.dialog {
  width: 100%;
  max-width: 340px;
  background: var(--color-surface);
  border-radius: var(--shape-extra-large);
  padding: var(--space-24);
  animation: fade-in var(--motion-standard) var(--ease-fast-out-slow-in);
}
.dialog .dialog-title {
  font-size: 22px;
  line-height: 28px;
  font-weight: 600;
  color: var(--color-on-surface);
}
.dialog .dialog-body {
  margin-top: var(--space-16);
  font-size: 15px;
  line-height: 21px;
  color: var(--color-on-surface-variant);
}
.dialog .dialog-actions {
  margin-top: var(--space-24);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-8);
  flex-wrap: wrap;
}
.dialog .dialog-actions .text-btn { min-height: 40px; }

/* ── Bottom sheet (NotificationSheet: full expand, 82% height) ── */
.sheet-scrim {
  position: absolute;
  inset: 0;
  z-index: 50;
  background: var(--overlay-black-45);
  display: flex;
  align-items: flex-end;
  animation: fade-in var(--motion-quick) ease-out;
}
.sheet {
  width: 100%;
  height: 82%;
  background: var(--color-surface);
  border-radius: var(--shape-extra-large) var(--shape-extra-large) 0 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: sheet-slide-up var(--motion-emphasized) var(--ease-fast-out-slow-in);
}
.sheet .drag-handle {
  width: 32px;
  height: 4px;
  border-radius: 2px;
  background: var(--color-outline-variant);
  margin: 10px auto 0;
  flex: none;
}

/* ── Checkbox (Material3, primary when checked) ── */
.checkbox {
  appearance: none;
  width: 18px;
  height: 18px;
  margin: 3px;
  border: 2px solid var(--color-on-surface-variant);
  border-radius: 2px;
  display: inline-grid;
  place-content: center;
  cursor: pointer;
  flex: none;
  transition: background var(--motion-quick), border-color var(--motion-quick);
}
.checkbox:checked {
  background: var(--color-primary);
  border-color: var(--color-primary);
}
.checkbox:checked::before {
  content: "";
  width: 10px;
  height: 10px;
  background: var(--color-on-primary);
  clip-path: polygon(37% 68%, 15% 46%, 5% 56%, 37% 88%, 95% 30%, 85% 20%);
}

/* ── Web-only hover states (§8.2: subtle surface/outline, no palette change) ── */
@media (hover: hover) {
  .pressable:hover:not(:disabled):not([aria-disabled="true"]) {
    filter: brightness(0.985);
  }
  :root[data-theme="dark"] .pressable:hover:not(:disabled):not([aria-disabled="true"]) {
    filter: brightness(1.08);
  }
}

/* ── Utility rows ── */
.row { display: flex; align-items: center; }
.row.gap4 { gap: var(--space-4); }
.row.gap8 { gap: var(--space-8); }
.row.gap10 { gap: 10px; }
.row.gap12 { gap: var(--space-12); }
.row.gap16 { gap: var(--space-16); }
.row.between { justify-content: space-between; }
.col { display: flex; flex-direction: column; }
.col.gap4 { gap: var(--space-4); }
.col.gap8 { gap: var(--space-8); }
.col.gap12 { gap: var(--space-12); }
.col.gap16 { gap: var(--space-16); }
.grow { flex: 1; min-width: 0; }
.ellipsis { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ── Accessibility: honor the OS "reduce motion" preference ──
   Screen transitions, pager swipes and pressed states collapse to instant
   changes; layout and colors are untouched (visual parity preserved). */
@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;
  }
  /* Keep indeterminate progress visible: a frozen spinner reads as "stuck". */
  .spinner {
    animation-duration: 1.4s !important;
    animation-iteration-count: infinite !important;
  }
}