/* Feed Formulation — mobile-first, Apple-inspired, light & dark themes */

:root {
  --font-system: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "Helvetica Neue", system-ui, sans-serif;

  --radius-card: 18px;
  --radius-input: 14px;
  --radius-sheet: 20px;
  --radius-pill: 100px;

  --space-xs: 6px;
  --space-sm: 12px;
  --space-md: 20px;
  --space-lg: 28px;
  --space-xl: 36px;

  --transition: 0.32s cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-spring: 0.45s cubic-bezier(0.34, 1.2, 0.64, 1);
  --theme-transition: 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);

  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --tab-height: 56px;
  --touch-min: 44px;
}

/* Light — Apple Health / Notes */
:root,
[data-resolved="light"] {
  color-scheme: light;

  --color-bg: #ffffff;
  --color-bg-elevated: #ffffff;
  --color-surface: #f2f2f7;
  --color-surface-secondary: #e8e8ed;
  --color-glass: rgba(255, 255, 255, 0.88);
  --color-charcoal: #1d1d1f;
  --color-text-secondary: #3a3a3c;
  --color-muted: #6e6e73;
  --color-border: rgba(0, 0, 0, 0.06);
  --color-separator: rgba(60, 60, 67, 0.1);
  --color-accent: #5e8ab4;
  --color-accent-soft: rgba(94, 138, 180, 0.14);
  --color-protein: #4a6f8c;
  --color-fat: #6b5b4f;
  --color-destructive: #c45c4a;
  --color-destructive-soft: rgba(196, 92, 74, 0.1);
  --color-tab-bar: rgba(255, 255, 255, 0.92);
  --color-backdrop: rgba(0, 0, 0, 0.35);
  --color-fill: rgba(120, 120, 128, 0.1);
  --color-fab-bg: #1d1d1f;
  --color-fab-fg: #ffffff;
  --color-primary-fg: #ffffff;

  --shadow-soft: 0 1px 8px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 2px 14px rgba(0, 0, 0, 0.06);
  --shadow-hero: 0 4px 20px rgba(0, 0, 0, 0.07);
  --shadow-fab: 0 4px 18px rgba(0, 0, 0, 0.12);
}

/* Dark — Apple Fitness / Stocks */
[data-resolved="dark"] {
  color-scheme: dark;

  --color-bg: #000000;
  --color-bg-elevated: #1c1c1e;
  --color-surface: #1c1c1e;
  --color-surface-secondary: #2c2c2e;
  --color-glass: rgba(28, 28, 30, 0.92);
  --color-charcoal: #f5f5f7;
  --color-text-secondary: #e5e5ea;
  --color-muted: #98989d;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-separator: rgba(84, 84, 88, 0.55);
  --color-accent: #7ba3c9;
  --color-accent-soft: rgba(123, 163, 201, 0.2);
  --color-protein: #8eb4d4;
  --color-fat: #c4b5a8;
  --color-destructive: #e07060;
  --color-destructive-soft: rgba(224, 112, 96, 0.18);
  --color-tab-bar: rgba(28, 28, 30, 0.94);
  --color-backdrop: rgba(0, 0, 0, 0.65);
  --color-fill: rgba(120, 120, 128, 0.22);
  --color-fab-bg: #f5f5f7;
  --color-fab-fg: #000000;
  --color-primary-fg: #000000;

  --shadow-soft: 0 2px 16px rgba(0, 0, 0, 0.4);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45);
  --shadow-hero: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-fab: 0 8px 28px rgba(0, 0, 0, 0.55);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  background-color: var(--color-bg);
  transition: background-color var(--theme-transition), color var(--theme-transition);
}

body {
  font-family: var(--font-system);
  font-size: 17px;
  line-height: 1.47;
  color: var(--color-charcoal);
  background-color: var(--color-bg);
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color var(--theme-transition), color var(--theme-transition);
}

html.is-theme-transitioning *,
html.is-theme-transitioning *::before,
html.is-theme-transitioning *::after {
  transition: background-color var(--theme-transition), color var(--theme-transition),
    border-color var(--theme-transition), box-shadow var(--theme-transition),
    fill var(--theme-transition) !important;
}

button,
input {
  font-family: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
  -webkit-tap-highlight-color: transparent;
}

input {
  color: inherit;
}

/* Theme toggle */

.theme-toggle {
  position: fixed;
  top: calc(var(--safe-top) + 8px);
  right: calc(max(12px, var(--safe-right)) + 0px);
  z-index: 110;
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  background: var(--color-glass);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-soft);
  transition: background-color var(--theme-transition), border-color var(--theme-transition),
    box-shadow var(--theme-transition);
}

.theme-toggle__btn {
  min-height: 32px;
  padding: 0 11px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-muted);
  border-radius: var(--radius-pill);
  transition: background-color var(--theme-transition), color var(--theme-transition),
    transform 0.15s ease;
}

.theme-toggle__btn:active {
  transform: scale(0.96);
}

.theme-toggle__btn[aria-pressed="true"] {
  color: var(--color-charcoal);
  background: var(--color-fill);
}

/* App shell */

.app {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100dvh;
  padding-top: calc(var(--safe-top) + 44px);
  padding-bottom: calc(var(--safe-bottom) + var(--tab-height) + var(--space-lg));
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

/* Views */

.view {
  display: none;
  animation: fadeIn 0.35s ease;
}

.view--active {
  display: block;
}

.view-header {
  margin-bottom: var(--space-lg);
}

.view-header--compact {
  margin-bottom: var(--space-md);
}

.view-header__eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-xs);
}

.view-header__title {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.08;
}

.view-header__subtitle {
  margin-top: var(--space-sm);
  font-size: 17px;
  color: var(--color-muted);
  line-height: 1.4;
}

/* Tab bar */

.tab-bar {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(var(--safe-bottom) + 8px);
  width: min(440px, calc(100% - 32px));
  display: flex;
  background: var(--color-tab-bar);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 4px;
  box-shadow: var(--shadow-card);
  z-index: 100;
  transition: background-color var(--theme-transition), border-color var(--theme-transition),
    box-shadow var(--theme-transition);
}

.tab-bar__item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-height: var(--touch-min);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  font-size: 10px;
  font-weight: 600;
  color: var(--color-muted);
  transition: color var(--transition), background var(--transition), transform 0.15s ease;
}

.tab-bar__item:active {
  transform: scale(0.96);
}

.tab-bar__item--active {
  color: var(--color-accent);
  background: var(--color-accent-soft);
}

.tab-bar__icon {
  font-size: 20px;
  line-height: 1;
}

/* Library list */

.library-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: calc(var(--touch-min) + var(--space-xl));
}

.library-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-surface);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, box-shadow var(--transition),
    background-color var(--theme-transition), border-color var(--theme-transition);
  animation: slideUp 0.35s ease backwards;
}

.library-item:active {
  transform: scale(0.98);
}

.library-item__main {
  flex: 1;
  min-width: 0;
}

.library-item__name {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.library-item__meta {
  display: flex;
  gap: var(--space-md);
  font-size: 15px;
  color: var(--color-muted);
}

.library-item__meta strong {
  font-weight: 600;
  color: var(--color-text-secondary);
}

.library-item__usage {
  margin-top: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-muted);
}

.library-item__usage--active {
  color: var(--color-accent);
}

.usage-badge {
  display: inline-block;
  margin-top: 6px;
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  border-radius: var(--radius-pill);
}

.library-item__actions {
  display: flex;
  gap: var(--space-xs);
}

.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-min);
  height: var(--touch-min);
  border-radius: 50%;
  background: var(--color-fill);
  color: var(--color-text-secondary);
  font-size: 17px;
  transition: background var(--transition), transform 0.15s ease;
}

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

.icon-btn--destructive {
  color: var(--color-destructive);
  background: var(--color-destructive-soft);
}

/* FAB */

.fab {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(var(--safe-bottom) + var(--tab-height) + var(--space-lg));
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  min-height: var(--touch-min);
  background: var(--color-fab-bg);
  color: var(--color-fab-fg);
  font-size: 17px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-fab);
  z-index: 90;
  transition: transform 0.2s ease, opacity var(--transition),
    background-color var(--theme-transition), color var(--theme-transition),
    box-shadow var(--theme-transition);
}

.fab:active {
  transform: translateX(-50%) scale(0.96);
}

.fab__icon {
  font-size: 22px;
  font-weight: 300;
  line-height: 1;
}

/* Formulation cards */

.formulation-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.formulation-card {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  animation: slideUp 0.35s ease backwards;
  transition: box-shadow var(--transition), transform var(--transition), opacity var(--transition),
    background-color var(--theme-transition), border-color var(--theme-transition);
}

.formulation-card.is-dragging {
  opacity: 0.55;
  transform: scale(0.98);
  box-shadow: var(--shadow-hero);
}

.formulation-card.is-drag-over {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-card), 0 0 0 2px var(--color-accent-soft);
}

.formulation-card__top {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.formulation-card__drag {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  min-height: var(--touch-min);
  margin: -8px 0 -8px -8px;
  color: var(--color-muted);
  font-size: 20px;
  cursor: grab;
  touch-action: none;
  border-radius: 10px;
  flex-shrink: 0;
}

.formulation-card__drag:active {
  cursor: grabbing;
  background: var(--color-fill);
}

.formulation-card__title-wrap {
  flex: 1;
  min-width: 0;
}

.formulation-card__name {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.formulation-card__warn {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-destructive);
}

.formulation-card__controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.reorder-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 32px;
  border-radius: 8px;
  background: var(--color-fill);
  color: var(--color-text-secondary);
  font-size: 16px;
  transition: background var(--transition), opacity var(--transition);
}

.reorder-btn:disabled {
  opacity: 0.35;
  pointer-events: none;
}

.reorder-btn:active:not(:disabled) {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.formulation-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.formulation-stat {
  background: var(--color-surface-secondary);
  border-radius: var(--radius-input);
  padding: var(--space-sm) var(--space-md);
  transition: background-color var(--theme-transition);
}

.formulation-stat--wide {
  grid-column: 1 / -1;
}

.formulation-stat__label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-muted);
  margin-bottom: 4px;
}

.formulation-stat__value {
  font-size: 20px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--color-text-secondary);
  transition: color 0.2s ease;
}

.formulation-stat__value--protein {
  color: var(--color-protein);
}

.formulation-stat__value--fat {
  color: var(--color-fat);
}

.formulation-stat__value.is-updated {
  color: var(--color-accent);
}

.formulation-stat__row {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.formulation-stat__input {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.03em;
  width: 100%;
  max-width: 140px;
  border: none;
  background: transparent;
  -moz-appearance: textfield;
}

.formulation-stat__input:focus {
  outline: none;
}

.formulation-stat__input::-webkit-outer-spin-button,
.formulation-stat__input::-webkit-inner-spin-button {
  -webkit-appearance: none;
}

.formulation-stat__unit {
  font-size: 17px;
  font-weight: 500;
  color: var(--color-muted);
}

/* Toast */

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--safe-bottom) + var(--tab-height) + 20px);
  transform: translateX(-50%) translateY(12px);
  max-width: min(360px, calc(100% - 40px));
  padding: 12px 20px;
  font-size: 15px;
  font-weight: 500;
  text-align: center;
  color: var(--color-charcoal);
  background: var(--color-glass);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-card);
  z-index: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease,
    background-color var(--theme-transition), color var(--theme-transition),
    border-color var(--theme-transition);
}

.toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast[hidden]:not(.is-visible) {
  display: none;
}

/* Picker hint */

.picker-hint {
  margin: 0 var(--space-md) var(--space-sm);
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 500;
  text-align: center;
  color: var(--color-muted);
  background: var(--color-fill);
  border-radius: var(--radius-input);
  transition: opacity 0.25s ease;
}

.picker-hint[hidden] {
  display: none;
}

.picker-hint.is-visible {
  color: var(--color-text-secondary);
}

.picker-item--in-batch {
  opacity: 0.72;
}

.picker-item--in-batch .picker-item__badge {
  color: var(--color-muted);
}

/* Formulation name */

.field--formulation-name {
  margin-bottom: var(--space-md);
}

/* Export actions */

.export-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.export-actions[hidden] {
  display: none;
}

.btn-secondary {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 var(--space-md);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-charcoal);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-input);
  box-shadow: var(--shadow-soft);
  transition: transform 0.15s ease, background-color var(--theme-transition),
    border-color var(--theme-transition), color var(--theme-transition);
}

.btn-secondary:active {
  transform: scale(0.98);
}

.btn-secondary--accent {
  color: var(--color-accent);
  background: var(--color-accent-soft);
  border-color: transparent;
}

/* Share sheet */

.sheet--share .share-actions {
  padding: var(--space-sm) var(--space-md) calc(var(--safe-bottom) + var(--space-md));
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.share-action {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  width: 100%;
  min-height: 52px;
  padding: 0 var(--space-md);
  font-size: 17px;
  font-weight: 500;
  text-align: left;
  color: var(--color-charcoal);
  background: var(--color-fill);
  border-radius: var(--radius-input);
  transition: background 0.15s ease, transform 0.15s ease;
}

.share-action:active {
  transform: scale(0.99);
  background: var(--color-accent-soft);
}

.share-action__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: 18px;
  color: var(--color-accent);
  background: var(--color-surface);
  border-radius: 8px;
}

.share-action__label {
  flex: 1;
}

/* Results */

.results {
  margin-bottom: var(--space-lg);
}

.results__hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.hero-card {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-card);
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  box-shadow: var(--shadow-hero);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: background-color var(--theme-transition), border-color var(--theme-transition),
    box-shadow var(--theme-transition);
}

.hero-card__label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-muted);
  margin-bottom: var(--space-xs);
}

.hero-card__value {
  font-size: clamp(44px, 13vw, 52px);
  font-weight: 700;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  transition: transform 0.2s ease;
}

.hero-card--protein .hero-card__value {
  color: var(--color-protein);
}

.hero-card--fat .hero-card__value {
  color: var(--color-fat);
}

.hero-card__value.is-updated {
  transform: scale(1.03);
}

.hero-card__unit {
  font-size: 26px;
  font-weight: 600;
  color: var(--color-muted);
}

.results__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.summary-card {
  background: var(--color-surface);
  border-radius: var(--radius-input);
  padding: var(--space-md) var(--space-sm);
  text-align: center;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  transition: background-color var(--theme-transition), border-color var(--theme-transition),
    box-shadow var(--theme-transition);
}

.summary-card__label {
  display: block;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-muted);
  margin-bottom: 4px;
}

.summary-card__value {
  display: block;
  font-size: 20px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.summary-card__unit {
  font-size: 11px;
  color: var(--color-muted);
}

/* Buttons */

.btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 var(--space-lg);
  font-size: 17px;
  font-weight: 600;
  color: var(--color-primary-fg);
  background: var(--color-accent);
  border-radius: var(--radius-input);
  transition: transform 0.15s ease, opacity var(--transition),
    background-color var(--theme-transition), color var(--theme-transition);
  margin-bottom: var(--space-sm);
}

.btn-primary:active {
  transform: scale(0.98);
  opacity: 0.9;
}

.btn-primary--full {
  width: 100%;
}

.btn-ghost {
  min-height: var(--touch-min);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-muted);
  transition: color var(--transition);
}

.btn-ghost--full {
  width: 100%;
  text-align: center;
}

.btn-destructive {
  width: 100%;
  min-height: var(--touch-min);
  margin-top: var(--space-lg);
  font-size: 17px;
  font-weight: 600;
  color: var(--color-destructive);
  background: var(--color-destructive-soft);
  border-radius: var(--radius-input);
}

/* Empty state */

.empty-state {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  margin-bottom: var(--space-md);
}

.empty-state[hidden] {
  display: none;
}

.empty-state__icon {
  font-size: 48px;
  opacity: 0.35;
  margin-bottom: var(--space-md);
}

.empty-state__title {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.empty-state__text {
  font-size: 16px;
  color: var(--color-muted);
  line-height: 1.45;
  max-width: 280px;
  margin: 0 auto;
}

/* Sheets */

.sheet-backdrop {
  position: fixed;
  inset: 0;
  background: var(--color-backdrop);
  z-index: 200;
  opacity: 0;
  transition: opacity var(--transition), background-color var(--theme-transition);
  pointer-events: none;
}

.sheet-backdrop.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.sheet-backdrop[hidden] {
  display: none;
}

.sheet {
  position: fixed;
  left: 50%;
  bottom: 0;
  width: min(480px, 100%);
  max-height: min(92dvh, 720px);
  margin: 0;
  padding: 0;
  border: none;
  border-radius: var(--radius-sheet) var(--radius-sheet) 0 0;
  background: var(--color-bg-elevated);
  box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.15);
  z-index: 300;
  transform: translateX(-50%) translateY(100%);
  transition: transform var(--transition-spring);
  overflow: hidden;
  flex-direction: column;
  transition: transform var(--transition-spring), background-color var(--theme-transition),
    box-shadow var(--theme-transition);
}

.sheet:not([open]) {
  display: none;
}

.sheet[open] {
  display: flex;
  transform: translateX(-50%) translateY(0);
}

.sheet::backdrop {
  display: none;
}

.sheet__handle {
  width: 36px;
  height: 5px;
  background: var(--color-separator);
  border-radius: 3px;
  margin: 10px auto 4px;
  flex-shrink: 0;
}

.sheet__header {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-separator);
  flex-shrink: 0;
}

.sheet__header--picker {
  grid-template-columns: auto 1fr auto;
}

.sheet__title {
  font-size: 17px;
  font-weight: 600;
  text-align: center;
  grid-column: 2;
}

.sheet__action {
  font-size: 17px;
  font-weight: 400;
  min-height: var(--touch-min);
  padding: 0 4px;
  color: var(--color-accent);
}

.sheet__action--cancel {
  justify-self: start;
  color: var(--color-muted);
}

.sheet__action--primary {
  justify-self: end;
  font-weight: 600;
}

.sheet__action--primary:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

.sheet__spacer {
  width: 60px;
}

.sheet__body {
  padding: var(--space-md);
  padding-bottom: calc(var(--safe-bottom) + var(--space-md));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.sheet__search-wrap {
  padding: var(--space-sm) var(--space-md);
  flex-shrink: 0;
}

.sheet__search {
  width: 100%;
  min-height: var(--touch-min);
  padding: 0 16px;
  font-size: 17px;
  background: var(--color-fill);
  border: none;
  border-radius: var(--radius-input);
  transition: background-color var(--theme-transition), color var(--theme-transition);
}

.sheet__search:focus {
  outline: 2px solid var(--color-accent-soft);
}

.picker-list {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: calc(var(--safe-bottom) + var(--space-md));
}

.picker-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 56px;
  padding: var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-separator);
  transition: background 0.15s ease, background-color var(--theme-transition), color var(--theme-transition);
}

.picker-item:active:not(:disabled) {
  background: var(--color-fill);
}

.picker-item:disabled {
  opacity: 0.45;
}

.picker-item__name {
  font-size: 17px;
  font-weight: 500;
}

.picker-item__meta {
  font-size: 14px;
  color: var(--color-muted);
  margin-top: 2px;
}

.picker-item__badge {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-muted);
  padding: 4px 10px;
  background: var(--color-fill);
  border-radius: var(--radius-pill);
}

.picker-empty {
  padding: var(--space-xl);
  text-align: center;
  color: var(--color-muted);
}

.picker-empty[hidden] {
  display: none;
}

/* Form fields */

.field {
  display: block;
  margin-bottom: var(--space-md);
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.field__label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-muted);
  margin-bottom: var(--space-xs);
}

.field__input {
  width: 100%;
  min-height: var(--touch-min);
  padding: 0 16px;
  font-size: 20px;
  font-weight: 500;
  background: var(--color-fill);
  border: none;
  border-radius: var(--radius-input);
  -moz-appearance: textfield;
  transition: background-color var(--theme-transition), color var(--theme-transition),
    outline-color var(--theme-transition);
}

.field__input--text {
  font-size: 17px;
  font-weight: 400;
}

.field__input:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 0;
}

.field__input--error {
  background: var(--color-destructive-soft);
  outline: 2px solid var(--color-destructive);
  outline-offset: 0;
}

.field__error {
  margin-top: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-destructive);
  line-height: 1.35;
}

.field__error[hidden] {
  display: none;
}

.field__input::-webkit-outer-spin-button,
.field__input::-webkit-inner-spin-button {
  -webkit-appearance: none;
}

/* Alert */

.alert {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0.92);
  width: min(320px, calc(100% - 48px));
  margin: 0;
  padding: 0;
  border: none;
  border-radius: var(--radius-card);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-hero);
  z-index: 400;
  opacity: 0;
  transition: opacity 0.25s ease, transform 0.25s ease,
    background-color var(--theme-transition), border-color var(--theme-transition);
}

.alert[open] {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.alert::backdrop {
  background: var(--color-backdrop);
}

.alert__content {
  padding: var(--space-lg) var(--space-md) var(--space-md);
  text-align: center;
}

.alert__title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.alert__message {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.4;
}

.alert__actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--color-separator);
}

.alert__btn {
  min-height: 52px;
  font-size: 17px;
  font-weight: 400;
  color: var(--color-accent);
  border-right: 1px solid var(--color-separator);
}

.alert__btn:last-child {
  border-right: none;
}

.alert__btn--destructive {
  font-weight: 600;
  color: var(--color-destructive);
}

.alert__btn:active {
  background: var(--color-fill);
}

/* Animations */

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

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Tablet+ */

@media (min-width: 600px) {
  .app {
    max-width: 560px;
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
  }

  .view-header__title {
    font-size: 40px;
  }

  .hero-card__value {
    font-size: 58px;
  }
}

/* Print report — always light theme */

.print-report {
  display: none;
}

.print-report .report__brand {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  color: #1d1d1f;
}

.print-report .report__meta {
  font-size: 11px;
  color: #6e6e73;
  margin-bottom: 20px;
}

.print-report .report__meta p {
  margin-bottom: 4px;
}

.print-report table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
  font-size: 10pt;
}

.print-report th,
.print-report td {
  border: 1px solid #d1d1d6;
  padding: 8px 10px;
  text-align: left;
  color: #1d1d1f;
}

.print-report th {
  background: #f2f2f7;
  font-weight: 600;
  font-size: 9pt;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: #3a3a3c;
}

.print-report td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.print-report .report__summary {
  border-top: 2px solid #1d1d1f;
  padding-top: 16px;
}

.print-report .report__summary h2 {
  font-size: 13pt;
  font-weight: 600;
  margin-bottom: 12px;
  color: #1d1d1f;
}

.print-report .summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 24px;
  max-width: 420px;
}

.print-report .summary-item__label {
  font-size: 9pt;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #6e6e73;
}

.print-report .summary-item__value {
  font-size: 13pt;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: #1d1d1f;
}

@media print {
  body.is-printing .theme-toggle,
  body.is-printing .app,
  body.is-printing .toast,
  body.is-printing .sheet-backdrop,
  body.is-printing dialog.sheet,
  body.is-printing .alert {
    display: none !important;
  }

  body.is-printing .print-report {
    display: block !important;
    position: static;
    width: 100%;
    padding: 0;
    margin: 0;
    background: #ffffff !important;
    color: #1d1d1f !important;
  }

  @page {
    margin: 16mm;
  }
}

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

  html.is-theme-transitioning *,
  html.is-theme-transitioning *::before,
  html.is-theme-transitioning *::after {
    transition-duration: 0.01ms !important;
  }
}