/* =========================================
   Sizing V2 – Apple HIG Design System
   ========================================= */

.sizing-v2 {
  --u-font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --u-text: #1c1c1e;
  --u-text-secondary: rgba(60, 60, 67, 0.6);
  --u-text-tertiary: rgba(60, 60, 67, 0.4);
  --u-accent: #00d1b2;
  --u-accent-hover: #00b89c;
  --u-bg: #f5f5f7;
  --u-surface: #fff;
  --u-separator: rgba(60, 60, 67, 0.12);
  --u-separator-light: rgba(60, 60, 67, 0.06);
  --u-success: #248a3d;
  --u-success-bg: rgba(52, 199, 89, 0.15);
  --u-radius: 12px;
  --u-radius-sm: 10px;
  --u-transition: 150ms ease;
  --u-spacing-xs: 0.25rem;
  --u-spacing-sm: 0.5rem;
  --u-spacing-md: 1rem;
  --u-spacing-lg: 1.5rem;
  --u-spacing-xl: 2rem;
  font-family: var(--u-font);
  color: var(--u-text);
  line-height: 1.5;
}

.sizing-v2 *, .sizing-v2 *::before, .sizing-v2 *::after { box-sizing: border-box; }

/* Apple-style notification dot */
.u-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #007aff;
  margin-right: 4px;
  flex-shrink: 0;
  animation: u-shimmer 8s ease-in-out infinite;
}

@keyframes u-shimmer {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 122, 255, 0); }
  30% { box-shadow: 0 0 4px 2px rgba(0, 122, 255, 0.3); }
  60% { box-shadow: 0 0 2px 1px rgba(0, 122, 255, 0.1); }
  80% { box-shadow: 0 0 5px 2px rgba(0, 122, 255, 0.25); }
}

/* === Page layout === */
.u-widget {
  max-width: 600px;
  margin: 0 auto;
}

/* === Card === */
.u-card {
  background: var(--u-surface);
  border-radius: var(--u-radius);
  box-shadow:
    0 0 0 0.5px rgba(0,0,0,0.04),
    0 1px 2px rgba(0,0,0,0.02),
    0 4px 12px rgba(0,0,0,0.04),
    0 16px 40px rgba(0,0,0,0.06);
  overflow: hidden;
}

.u-section {
  padding: var(--u-spacing-xl) var(--u-spacing-xl);
}

.u-section.u-section-flush {
  padding-top: 0;
  padding-bottom: var(--u-spacing-md);
}

.u-divider {
  height: 1px;
  background: var(--u-separator);
}

.u-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--u-text-secondary);
  margin-bottom: var(--u-spacing-md);
  display: flex;
  align-items: center;
  gap: var(--u-spacing-sm);
}

.u-badge-official {
  font-size: 0.5625rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--u-success);
  background: var(--u-success-bg);
  padding: 2px 6px;
  border-radius: 4px;
}

/* Chart summary (Apple: summarize the main takeaway) */
.u-chart-summary {
  font-size: 0.75rem;
  color: var(--u-text-secondary);
  margin-top: var(--u-spacing-md);
  margin-bottom: var(--u-spacing-md);
  line-height: 1.4;
  text-align: center;
}

/* === Chips (your shoes) === */
.u-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.u-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--u-bg);
  border: none;
  border-radius: 980px;
  padding: 8px 10px 8px 16px;
  font-size: 0.9375rem;
  transition: background var(--u-transition);
}

.u-chip:hover { background: #ebebf0; }

.u-chip-name {
  font-weight: 600;
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.u-chip-size {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--u-text-secondary);
}

.u-chip-remove {
  background: none;
  border: none;
  color: rgba(60, 60, 67, 0.3);
  cursor: pointer;
  font-size: 0.875rem;
  line-height: 1;
  padding: 2px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--u-transition);
}

.u-chip-remove:hover { color: rgba(60, 60, 67, 0.8); }
.u-chip-foot { background: #fef7ed; }
.u-chip-foot:hover { background: #fdf0db; }

.u-add-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: 1.5px dashed rgba(60, 60, 67, 0.2);
  border-radius: 980px;
  padding: 8px 18px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: #1c1c1e;
  cursor: pointer;
  transition: all var(--u-transition);
}

.u-add-btn {
  position: relative;
  overflow: hidden;
}

.u-add-btn::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -100%;
  width: 60%;
  height: 200%;
  background: linear-gradient(
    105deg,
    transparent 30%,
    rgba(0, 209, 178, 0.06) 45%,
    rgba(0, 209, 178, 0.12) 50%,
    rgba(0, 209, 178, 0.06) 55%,
    transparent 70%
  );
  transition: none;
  pointer-events: none;
}

.u-add-btn:hover::after {
  animation: u-sweep 0.6s linear;
}

@keyframes u-sweep {
  from { left: -100%; }
  to { left: 200%; }
}

/* Particles */
.u-particle {
  position: fixed;
  border-radius: 50%;
  background: #00d1b2;
  opacity: 0.7;
  pointer-events: none;
  z-index: 9999;
  animation: u-particle-fly 0.6s ease-out forwards;
}

@keyframes u-particle-fly {
  0% { transform: translate(0, 0) scale(1); opacity: 0.7; }
  100% { transform: translate(var(--dx), var(--dy)) scale(0); opacity: 0; }
}

.u-particle-red {
  background: #ff3b30;
  animation: u-particle-fly 0.4s ease-out forwards;
}

.u-add-btn:hover {
  border-color: rgba(60, 60, 67, 0.35);
  color: var(--u-text);
}

.u-add-btn.u-pulse {
  animation: u-breathe 3s ease-in-out infinite;
}

.u-add-btn.u-pulse:hover { animation: none; }

@keyframes u-breathe {
  0%, 100% { border-color: rgba(60, 60, 67, 0.12); box-shadow: 0 0 0 0 rgba(0, 209, 178, 0); }
  50% { border-color: rgba(0, 209, 178, 0.4); box-shadow: 0 0 12px 2px rgba(0, 209, 178, 0.15); }
}

.u-empty-hint {
  font-size: 1rem;
  color: var(--u-text-tertiary);
  width: 100%;
}

/* === Target rows === */
.u-target-row {
  display: flex;
  align-items: center;
  gap: var(--u-spacing-md);
  border-bottom: 1px solid var(--u-separator-light);
}

.u-target-row:last-of-type { border-bottom: none; }

.u-target-row-info { flex: 1; min-width: 0; }

.u-target-row-name {
  font-size: 1rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.u-target-row-variant {
  font-size: 0.8125rem;
  color: rgba(60, 60, 67, 0.5);
}

.u-target-row-size {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.875rem;
  font-weight: 600;
  flex-shrink: 0;
  min-width: 56px;
  justify-content: center;
  background: var(--u-accent);
  color: #fff;
  border-radius: 980px;
  padding: 4px 12px;
  transition: background var(--u-transition);
}

.u-target-row-expand:hover .u-target-row-size { background: var(--u-accent-hover); }

.u-size-chevron { flex-shrink: 0; opacity: 0.8; }

.u-target-row-size.pending { background: rgba(60, 60, 67, 0.08); color: rgba(60, 60, 67, 0.2); }
.u-target-row-size.u-recalc { opacity: 0.55; }
.u-pill-spinner { width: 10px; height: 10px; border: 1.5px solid rgba(255,255,255,0.35); border-top-color: #fff; border-radius: 50%; animation: u-spin 0.6s linear infinite; }

.u-target-row-price {
  display: inline-flex;
  align-items: center;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--u-text-secondary);
  flex-shrink: 0;
}

/* iOS disclosure chevron */
.u-chevron {
  color: rgba(60, 60, 67, 0.25);
  font-size: 1.25rem;
  font-weight: 300;
  flex-shrink: 0;
  line-height: 1;
  transition: color var(--u-transition);
}

.u-target-row-expand:hover .u-chevron { color: rgba(60, 60, 67, 0.5); }

.u-target-row-expand {
  cursor: pointer;
  padding: var(--u-spacing-md) var(--u-spacing-xl);
  margin: 0 calc(-1 * var(--u-spacing-xl));
  transition: background var(--u-transition);
}

.u-target-row-expand:hover { background: rgba(60, 60, 67, 0.06); }

.u-target-row.u-glint {
  position: relative;
  overflow: hidden;
}

.u-target-row.u-glint::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -100%;
  width: 60%;
  height: 200%;
  background: linear-gradient(
    105deg,
    transparent 30%,
    rgba(0, 209, 178, 0.06) 45%,
    rgba(0, 209, 178, 0.12) 50%,
    rgba(0, 209, 178, 0.06) 55%,
    transparent 70%
  );
  pointer-events: none;
  animation: u-sweep 0.6s linear;
}

/* Expanded detail */
.u-target-detail {
  padding: var(--u-spacing-md) 0 var(--u-spacing-sm);
  border-bottom: 1px solid var(--u-separator-light);
}

.u-target-detail-offers {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.u-mini-offer {
  display: flex;
  align-items: center;
  gap: var(--u-spacing-md);
  padding: 6px 10px;
  background: var(--u-bg);
  border-radius: var(--u-radius-sm);
  font-size: 0.8125rem;
}

.u-mini-offer-retailer { flex: 1; font-weight: 500; }
.u-mini-offer-price { font-weight: 600; }

.u-mini-offer-sizes { display: flex; gap: 3px; }

.u-mini-offer-size {
  font-size: 0.5625rem;
  font-weight: 600;
  padding: 1px 4px;
  border-radius: 3px;
  background: rgba(60, 60, 67, 0.08);
  color: rgba(60, 60, 67, 0.5);
}

.u-mini-offer-size.match {
  background: var(--u-success-bg);
  color: var(--u-success);
}

/* === Buttons === */
.u-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  border-radius: 980px;
  padding: 0 1.5rem;
  height: 2.5em;
  cursor: pointer;
  transition: all var(--u-transition);
}

.u-btn:hover { opacity: 0.8; }
.u-btn-primary { background: var(--u-accent); color: #fff; }
.u-btn-primary:hover { opacity: 1; background: var(--u-accent-hover); }

.u-btn-secondary {
  background: rgba(60, 60, 67, 0.06);
  color: var(--u-text);
  border: 1px solid rgba(60, 60, 67, 0.15);
}

.u-btn-secondary:hover { opacity: 1; border-color: rgba(60, 60, 67, 0.3); }
.u-btn-sm { height: 32px; font-size: 0.8125rem; padding: 0 1rem; }

/* === Disclosure toggles === */
.u-more-offers-toggle,
.u-details-toggle {
  background: none;
  border: none;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  color: rgba(60, 60, 67, 0.5);
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color var(--u-transition);
}

.u-more-offers-toggle:hover,
.u-details-toggle:hover { color: var(--u-text); }

.u-more-arrow,
.u-details-arrow {
  font-size: 0.625rem;
  transition: transform 200ms ease;
}

.u-more-offers-toggle.open .u-more-arrow,
.u-details-toggle.open .u-details-arrow { transform: rotate(180deg); }

.u-offers-list,
.u-details-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 300ms ease;
  overflow: hidden;
}

.u-offers-list.open,
.u-details-panel.open { grid-template-rows: 1fr; }

.u-offers-inner,
.u-details-inner { overflow: hidden; }

.u-details-content { padding-top: var(--u-spacing-lg); }

.u-offer-row {
  display: flex;
  align-items: center;
  gap: var(--u-spacing-md);
  padding: var(--u-spacing-sm) 0;
  border-top: 1px solid var(--u-separator);
}

.u-offer-name { flex: 1; min-width: 0; }

.u-offer-name-text {
  font-size: 0.8125rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.u-offer-retailer-text {
  font-size: 0.75rem;
  color: rgba(60, 60, 67, 0.5);
}

.u-offer-price {
  font-size: 0.9375rem;
  font-weight: 700;
  flex-shrink: 0;
}

.u-offer-sizes { display: flex; flex-wrap: wrap; gap: 3px; margin-top: 4px; }

.u-offer-size {
  font-size: 0.5625rem;
  font-weight: 600;
  padding: 1px 5px;
  border-radius: 4px;
  background: rgba(60, 60, 67, 0.08);
  color: rgba(60, 60, 67, 0.5);
}

.u-offer-size.match {
  background: var(--u-success-bg);
  color: var(--u-success);
}

/* === Timeline / Heatmap === */
/* Chart card (Apple Health/Fitness style) */
.u-timeline-wrapper {
  background: var(--u-surface);
  border-radius: var(--u-radius);
  padding: var(--u-spacing-md);
  margin-bottom: var(--u-spacing-md);
}

.u-timeline-viewport { overflow: hidden; position: relative; cursor: grab; touch-action: pan-y; -webkit-user-select: none; user-select: none; }
.u-timeline-viewport.u-grabbing { cursor: grabbing; }
.u-timeline-slider { position: relative; transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1); }

/* Grid lines — Apple: minimal, light, ~4 lines max */
.u-tick-marks {
  position: absolute;
  top: 0; left: 0; right: 0;
  bottom: 20px;
  z-index: 2;
  pointer-events: none;
}

.u-tick {
  position: absolute;
  width: 1px;
  background: rgba(60, 60, 67, 0.08);
  top: 0; bottom: 0;
}

/* Size labels — clean, muted, recommended stands out */
.u-size-labels { position: relative; height: 32px; display: flex; }

.u-size-label {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  font-size: 0.8125rem;
  font-weight: 600;
  color: rgba(60, 60, 67, 0.35);
}

.u-size-label.recommended {
  color: var(--u-success);
  font-weight: 700;
  font-size: 0.875rem;
}

/* Track line */
.u-track-area { position: relative; height: 1px; }
.u-track { position: absolute; top: 0; height: 1px; background: rgba(60, 60, 67, 0.12); }
.u-track-ext { position: absolute; top: 0; height: 0; border-top: 1.5px dashed rgba(255, 59, 48, 0.25); }
.u-mm-ext { color: rgba(255, 59, 48, 0.4); }

/* Heatmap — taller bars, softer radius (Apple bar chart style) */
.u-heatmap { position: relative; height: 16px; margin: var(--u-spacing-xs) 0; }

.u-heat-seg {
  position: absolute;
  height: 100%;
  background: var(--u-accent);
  border-radius: 6px;
  transition: opacity var(--u-transition);
}

.u-heat-zone {
  position: absolute;
  height: 100%;
  z-index: 3;
  cursor: pointer;
}

.u-heat-zone-bar {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 100%;
  background: var(--u-accent);
  border-radius: 6px;
  opacity: 0;
  transition: opacity var(--u-transition);
}

.u-heat-zone:hover .u-heat-zone-bar,
.u-heat-zone.active .u-heat-zone-bar { opacity: 0.8; }

/* Tooltip — Apple-style pill */
.u-heat-zone-label {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--u-text);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 500;
  white-space: nowrap;
  padding: 4px 10px;
  border-radius: 8px;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--u-transition);
}

.u-heat-zone:hover .u-heat-zone-label,
.u-heat-zone.active .u-heat-zone-label { opacity: 1; }

.u-heatmap.highlighting .u-heat-seg { opacity: 0.12 !important; }

/* Axis labels — Apple: minimal, only key values, muted */
.u-mm-labels {
  position: relative;
  height: 20px;
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--u-text-tertiary);
}

.u-mm-label {
  position: absolute;
  top: 4px;
  transform: translateX(-50%);
}

/* Foot marker */
.u-foot-marker {
  position: absolute;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  bottom: 32px;
  transform: translate(-50%, 50%);
}

.u-foot-dot {
  width: 10px;
  height: 10px;
  background: var(--u-text);
  border-radius: 50%;
  box-shadow: 0 0 0 3px var(--u-surface);
}

.u-foot-label {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.6875rem;
  font-weight: 500;
  white-space: nowrap;
  background: var(--u-text);
  color: #fff;
  padding: 4px 10px;
  border-radius: 8px;
  margin-top: 6px;
  opacity: 0;
  transition: opacity var(--u-transition);
  pointer-events: none;
}

.u-foot-marker:hover .u-foot-label,
.u-foot-marker.hovered .u-foot-label { opacity: 1; }

/* Data points */
.u-chart-divider {
  height: 1px;
  background: var(--u-separator-light);
  margin: var(--u-spacing-md) calc(-1 * var(--u-spacing-md)) 0;
}

.u-datapoints {
  margin: 0 calc(-1 * var(--u-spacing-md));
  margin-bottom: calc(-1 * var(--u-spacing-md));
}

.u-datapoint:last-child { border-bottom: none; }

.u-datapoint {
  display: flex;
  align-items: center;
  gap: var(--u-spacing-md);
  padding: var(--u-spacing-md);
  font-size: 1rem;
  border-bottom: 1px solid var(--u-separator-light);
  cursor: pointer;
  transition: background var(--u-transition);
}

.u-datapoint:last-child { border-bottom: none; }
.u-datapoint:hover,
.u-datapoint.highlighted { background: rgba(60, 60, 67, 0.06); }
.u-dp-active { background: rgba(0, 199, 164, 0.08); }
.u-dp-active .u-dp-name { color: var(--u-accent); }

.u-dp-name { font-weight: 500; flex: 1; }
.u-dp-range { font-size: 0.8125rem; color: rgba(60, 60, 67, 0.5); }

/* Recently viewed */
.u-recent { padding: var(--u-spacing-sm) var(--u-spacing-xl) var(--u-spacing-md); }

.u-recent-label {
  font-size: 0.75rem;
  color: var(--u-text-tertiary);
  margin-bottom: var(--u-spacing-sm);
}

.u-recent-chips { display: flex; flex-wrap: wrap; gap: 6px; }

.u-recent-chip {
  background: none;
  border: 1px solid rgba(60, 60, 67, 0.15);
  border-radius: 980px;
  padding: 4px 12px;
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--u-text-secondary);
  cursor: pointer;
  transition: all var(--u-transition);
}

.u-recent-chip:hover {
  border-color: rgba(60, 60, 67, 0.4);
  color: var(--u-text);
}

/* === Modal === */
.u-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.u-modal-overlay.active { display: flex; }

.u-modal {
  background: var(--u-bg);
  border-radius: var(--u-radius);
  box-shadow:
    0 0 0 0.5px rgba(0,0,0,0.04),
    0 8px 40px rgba(0,0,0,0.15),
    0 24px 60px rgba(0,0,0,0.1);
  width: 90%;
  max-width: 600px;
  height: 70vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.u-modal.u-modal-auto { height: auto; }

.u-modal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--u-separator);
  flex-shrink: 0;
}

.u-modal-bar-title {
  font-weight: 600;
  font-size: 0.9375rem;
}

.u-modal-back {
  background: none;
  border: none;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--u-accent);
  cursor: pointer;
  padding: 4px 0;
  white-space: nowrap;
  flex-shrink: 0;
  transition: opacity var(--u-transition);
}

.u-modal-back:hover { opacity: 0.7; }

.u-modal-back-icon {
  background: none;
  border: none;
  color: rgba(60, 60, 67, 0.35);
  cursor: pointer;
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: color var(--u-transition);
}

.u-modal-back-icon:hover { color: rgba(60, 60, 67, 0.6); }

.u-modal-search {
  flex: 1;
  font-family: var(--u-font);
  border: none;
  background: var(--u-surface);
  border-radius: var(--u-radius-sm);
  padding: 8px 12px;
  font-size: 1rem;
  color: var(--u-text);
}

.u-modal-search:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(0, 209, 178, 0.4);
}

.u-modal-search::placeholder { color: rgba(60, 60, 67, 0.35); }

.u-modal-close {
  background: rgba(60, 60, 67, 0.08);
  border: none;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 0.875rem;
  color: rgba(60, 60, 67, 0.6);
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--u-transition);
}

.u-modal-close:hover { background: rgba(60, 60, 67, 0.15); }

.u-modal-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
  scrollbar-width: none;
}

.u-modal-list::-webkit-scrollbar { display: none; }

.u-modal-option {
  display: flex;
  align-items: center;
  width: 100%;
  background: none;
  border: none;
  border-bottom: 1px solid var(--u-separator-light);
  padding: var(--u-spacing-md) 16px;
  text-align: left;
  font-family: var(--u-font);
  font-size: 1rem;
  font-weight: 500;
  color: var(--u-text);
  cursor: pointer;
  transition: background var(--u-transition);
}

.u-modal-option .u-chevron { margin-left: auto; }
.u-add-icon {
  color: rgba(60, 60, 67, 0.35);
  font-size: 1.125rem;
  font-weight: 500;
  flex-shrink: 0;
  line-height: 1;
}

.u-modal-option .u-add-icon { margin-left: auto; }

.u-modal-option:last-child { border-bottom: none; }
.u-modal-option:hover { background: rgba(60, 60, 67, 0.06); }

.u-modal-option-idk {
  color: var(--u-text-secondary);
  font-style: italic;
  font-weight: 400;
}

/* Request brand/model empty state */
.u-request-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 3rem var(--u-spacing-xl);
  text-align: center;
  gap: var(--u-spacing-sm);
}

.u-request-text {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--u-text);
}

.u-request-subtext {
  font-size: 0.875rem;
  color: var(--u-text-secondary);
  margin-bottom: var(--u-spacing-sm);
}

.u-request-comment {
  font-family: var(--u-font);
  font-size: 0.875rem;
  color: var(--u-text);
  background: var(--u-bg);
  border: 1px solid var(--u-separator);
  border-radius: var(--u-radius-sm);
  padding: 10px 12px;
  width: 100%;
  max-width: 280px;
  resize: none;
  transition: border-color var(--u-transition), box-shadow var(--u-transition);
  line-height: 1.4;
}

.u-request-comment:focus {
  outline: none;
  border-color: var(--u-accent);
  box-shadow: 0 0 0 2px rgba(0, 209, 178, 0.2);
}

.u-request-comment::placeholder {
  color: var(--u-text-tertiary);
}

.u-request-btn {
  font-family: var(--u-font);
  font-size: 0.9375rem;
  font-weight: 600;
  color: #fff;
  background: var(--u-accent);
  border: none;
  border-radius: 980px;
  padding: 10px 24px;
  cursor: pointer;
  transition: background var(--u-transition);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--u-spacing-sm);
}

.u-request-btn:hover { background: var(--u-accent-hover); }

.u-missing-size {
  text-align: center;
  padding-top: var(--u-spacing-lg);
}

.u-missing-size-link {
  font-family: var(--u-font);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--u-text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 8px;
  transition: color var(--u-transition);
}

.u-missing-size-link:hover {
  color: var(--u-accent);
}

.u-request-note {
  font-size: 0.8125rem;
  color: var(--u-text-tertiary);
  max-width: 260px;
  line-height: 1.4;
}
.u-request-btn:disabled { opacity: 0.7; cursor: default; }

.u-request-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--u-spacing-md);
  max-width: 280px;
}

.u-request-success .u-request-subtext {
  margin-bottom: var(--u-spacing-sm);
}

.u-request-done {
  font-family: var(--u-font);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--u-accent);
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px 24px;
  border-radius: 980px;
  transition: background var(--u-transition);
}

.u-request-done:hover {
  background: rgba(0, 209, 178, 0.08);
}

.u-spinner-sm {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: u-spin 0.6s linear infinite;
}

/* Size selector (inside modal) */
.u-size-tabs {
  display: flex;
  background: var(--u-bg);
  border-radius: var(--u-radius-sm);
  padding: 3px;
  margin-bottom: var(--u-spacing-lg);
}

.u-size-tab {
  flex: 1;
  border: none;
  border-radius: 8px;
  font-family: var(--u-font);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--u-text-secondary);
  padding: 6px 12px;
  background: none;
  cursor: pointer;
  transition: all var(--u-transition);
}

.u-size-tab.active {
  background: var(--u-surface);
  color: var(--u-text);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.u-size-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
}

.u-size-btn {
  font-family: var(--u-font);
  border: none;
  background: var(--u-bg);
  border-radius: var(--u-radius-sm);
  padding: 12px 8px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--u-text);
  cursor: pointer;
  transition: background var(--u-transition);
}

.u-size-btn:hover { background: rgba(0, 209, 178, 0.08); }

/* Foot measurement modal (Apple alert style) */
.u-foot-modal { max-width: 340px; text-align: center; }

.u-foot-header {
  padding: var(--u-spacing-lg) var(--u-spacing-xl) var(--u-spacing-sm);
}

.u-foot-title {
  font-size: 1.0625rem;
  font-weight: 600;
}

.u-foot-subtitle {
  font-size: 0.8125rem;
  color: var(--u-text-secondary);
  margin-top: 4px;
}

.u-foot-form {
  padding: var(--u-spacing-sm) var(--u-spacing-xl) var(--u-spacing-md);
}

.u-foot-input-group {
  display: flex;
  align-items: center;
  gap: var(--u-spacing-sm);
}

.u-foot-input {
  font-family: var(--u-font);
  border: none;
  background: var(--u-surface);
  border-radius: var(--u-radius-sm);
  font-size: 1.25rem;
  font-weight: 500;
  padding: 12px 16px;
  flex: 1;
  color: var(--u-text);
  text-align: center;
}

.u-foot-input:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(0, 209, 178, 0.3);
}

.u-foot-unit {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--u-text-secondary);
}

.u-foot-help {
  padding: 0 var(--u-spacing-lg) var(--u-spacing-md);
}

.u-foot-help-link {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--u-text-secondary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color var(--u-transition);
}

.u-foot-help-link:hover {
  color: var(--u-accent);
}

.u-foot-actions {
  border-top: 1px solid var(--u-separator-light);
}

.u-foot-save {
  display: block;
  width: 100%;
  padding: 14px;
  border: none;
  border-bottom: 1px solid var(--u-separator-light);
  background: none;
  font-family: var(--u-font);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--u-accent);
  cursor: pointer;
  transition: background var(--u-transition);
}

.u-foot-save:hover { background: rgba(60, 60, 67, 0.06); }

.u-foot-cancel {
  display: block;
  width: 100%;
  padding: 14px;
  border: none;
  background: none;
  font-family: var(--u-font);
  font-size: 1.0625rem;
  font-weight: 400;
  color: var(--u-accent);
  cursor: pointer;
  transition: background var(--u-transition);
  border-radius: 0 0 var(--u-radius) var(--u-radius);
}

.u-foot-cancel:hover { background: rgba(60, 60, 67, 0.06); }

/* Size selector (shared.js class names) */
.selector-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--u-text-secondary);
  margin-bottom: var(--u-spacing-sm);
}

.size-tabs {
  display: flex;
  background: rgba(60, 60, 67, 0.08);
  border-radius: var(--u-radius-sm);
  padding: 3px;
  margin-bottom: var(--u-spacing-lg);
}

.size-tab {
  flex: 1;
  border: none;
  border-radius: 8px;
  font-family: var(--u-font);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--u-text-secondary);
  padding: 6px 12px;
  background: none;
  cursor: pointer;
  transition: all var(--u-transition);
}

.size-tab.active {
  background: var(--u-surface);
  color: var(--u-text);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.size-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
}

.size-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-family: var(--u-font);
  border: none;
  background: var(--u-surface);
  border-radius: var(--u-radius-sm);
  padding: 12px 8px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--u-text);
  cursor: pointer;
  transition: background var(--u-transition);
}

.size-btn:hover {
  background: rgba(0, 209, 178, 0.08);
}

/* Details modal */
/* Shoe header with close button */
/* Details navigation bar */
.u-details-bar {
  display: flex;
  align-items: center;
  padding: var(--u-spacing-sm) var(--u-spacing-md);
  flex-shrink: 0;
}

.u-details-back {
  background: none;
  border: none;
  color: rgba(60, 60, 67, 0.35);
  cursor: pointer;
  padding: 6px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--u-transition);
}

.u-details-back:hover { opacity: 0.7; }

.u-details-delete {
  background: none;
  border: none;
  color: #ff3b30;
  cursor: pointer;
  padding: 6px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--u-transition);
}

.u-details-delete:hover { opacity: 0.7; }

/* Details title */
.u-details-header {
  padding: 0 var(--u-spacing-xl) var(--u-spacing-md);
  text-align: center;
  flex-shrink: 0;
}

/* Segmented control bar */
.u-details-tabs {
  padding: 0 var(--u-spacing-xl) var(--u-spacing-md);
  flex-shrink: 0;
}

.u-segmented {
  display: flex;
  background: rgba(60, 60, 67, 0.08);
  border-radius: var(--u-radius-sm);
  padding: 3px;
}

.u-segmented-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border: none;
  border-radius: 8px;
  font-family: var(--u-font);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--u-text-secondary);
  padding: 7px 12px;
  background: none;
  cursor: pointer;
  transition: all var(--u-transition);
}

.u-segmented-btn.active {
  background: var(--u-surface);
  color: var(--u-text);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.u-details-header-name {
  font-size: 1.25rem;
  font-weight: 700;
}

.u-details-header-variant {
  font-size: 0.875rem;
  color: var(--u-text-secondary);
  margin-top: 2px;
}

.u-details-header-size {
  display: inline-block;
  margin-top: var(--u-spacing-sm);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--u-success);
}

/* Details tab content */
.u-details-tab {
  flex: 1;
  overflow-y: auto;
  padding: 0 var(--u-spacing-xl) var(--u-spacing-xl);
  scrollbar-width: none;
}

.u-details-tab::-webkit-scrollbar { display: none; }

/* Offer rows in details */
.u-detail-offer {
  display: flex;
  align-items: center;
  gap: var(--u-spacing-md);
  padding: var(--u-spacing-md) var(--u-spacing-xl);
  margin: 0 calc(-1 * var(--u-spacing-xl));
  border-bottom: 1px solid var(--u-separator-light);
  text-decoration: none;
  color: var(--u-text);
  cursor: pointer;
  transition: background var(--u-transition);
}

.u-detail-offer:last-child { border-bottom: none; }
.u-detail-offer:hover { background: rgba(60, 60, 67, 0.06); }

.u-detail-offer-info {
  flex: 1;
  min-width: 0;
}

.u-detail-offer-product {
  font-size: 0.9375rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.u-detail-offer-retailer {
  font-size: 0.8125rem;
  color: var(--u-text-secondary);
}

.u-detail-offer-sizes {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  margin-top: 4px;
}

.u-detail-offer-size {
  font-size: 0.625rem;
  font-weight: 600;
  padding: 1px 5px;
  border-radius: 4px;
  background: rgba(60, 60, 67, 0.08);
  color: rgba(60, 60, 67, 0.5);
}

.u-detail-offer-size.match {
  background: var(--u-success-bg);
  color: var(--u-success);
}

.u-detail-offer-price {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.875rem;
  font-weight: 600;
  flex-shrink: 0;
  background: var(--u-accent);
  color: #fff;
  border-radius: 980px;
  padding: 4px 12px;
  transition: background var(--u-transition);
}

.u-external-icon { flex-shrink: 0; }

.u-detail-offer:hover .u-detail-offer-price { background: var(--u-accent-hover); }

.u-detail-offer.unavailable { opacity: 0.55; }

.u-detail-offer-miss {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--u-text-tertiary);
  margin-left: var(--u-spacing-sm);
}

/* Loading */
.u-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 0;
}

.u-spinner {
  width: 24px;
  height: 24px;
  border: 2.5px solid rgba(60, 60, 67, 0.12);
  border-top-color: rgba(60, 60, 67, 0.5);
  border-radius: 50%;
  animation: u-spin 0.6s linear infinite;
}

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

/* Error state */
.u-error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem var(--u-spacing-xl);
  text-align: center;
  gap: var(--u-spacing-md);
}

.u-error-message {
  font-size: 0.9375rem;
  color: var(--u-text-secondary);
}

.u-error-retry {
  font-family: var(--u-font);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--u-accent);
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px 16px;
  border-radius: 980px;
  transition: background var(--u-transition);
}

.u-error-retry:hover {
  background: rgba(0, 209, 178, 0.08);
}

/* Community section */
.u-community-section {
  margin-bottom: var(--u-spacing-lg);
}

.u-community-card {
  background: var(--u-surface);
  border-radius: var(--u-radius);
  padding: var(--u-spacing-md);
}

.u-community-rec {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.u-community-rec-label {
  font-size: 0.875rem;
  color: var(--u-text-secondary);
}

.u-community-rec-size {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--u-success);
}

.u-badge-crowdsourced {
  font-size: 0.5625rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: #007aff;
  background: rgba(0, 122, 255, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
}

.u-community-summary {
  font-size: 0.75rem;
  color: var(--u-text-secondary);
  margin-top: var(--u-spacing-md);
  line-height: 1.4;
  text-align: center;
}

/* Skeleton loading placeholder */
.u-skeleton {
  padding: var(--u-spacing-xl);
}

.u-skeleton-line {
  height: 14px;
  background: rgba(60, 60, 67, 0.06);
  border-radius: 7px;
  margin-bottom: var(--u-spacing-md);
  animation: u-shimmer-bg 1.5s ease-in-out infinite;
}

.u-skeleton-chips {
  display: flex;
  gap: 8px;
  margin-bottom: var(--u-spacing-lg);
}

.u-skeleton-chip {
  width: 140px;
  height: 36px;
  background: rgba(60, 60, 67, 0.06);
  border-radius: 980px;
  animation: u-shimmer-bg 1.5s ease-in-out infinite;
}

.u-skeleton-divider {
  height: 1px;
  background: rgba(60, 60, 67, 0.06);
  margin-bottom: var(--u-spacing-lg);
}

.u-skeleton-row {
  height: 48px;
  background: rgba(60, 60, 67, 0.04);
  border-radius: var(--u-radius-sm);
  animation: u-shimmer-bg 1.5s ease-in-out infinite;
}

@keyframes u-shimmer-bg {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* Success tick animation */
.u-success-tick {
  width: 52px;
  height: 52px;
}

.u-success-tick svg {
  width: 100%;
  height: 100%;
}

.u-tick-circle {
  fill: none;
  stroke: var(--u-accent);
  stroke-width: 2.5;
  stroke-dasharray: 150;
  stroke-dashoffset: 150;
  animation: u-tick-circle-draw 0.4s ease-out forwards;
}

.u-tick-check {
  fill: none;
  stroke: var(--u-accent);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 40;
  stroke-dashoffset: 40;
  animation: u-tick-check-draw 0.3s ease-out 0.3s forwards;
}

@keyframes u-tick-circle-draw {
  to { stroke-dashoffset: 0; }
}

@keyframes u-tick-check-draw {
  to { stroke-dashoffset: 0; }
}


/* Mobile */
@media (max-width: 600px) {
  .sizing-v2 { padding: 0; }

  /* Card goes edge-to-edge */
  .u-widget { max-width: 100%; }

  .u-card { border-radius: var(--u-radius-sm); }

  .u-section { padding: var(--u-spacing-lg) var(--u-spacing-lg); }

  .u-divider { margin: 0; }

  /* Target rows stack price below name */
  .u-target-row {
    flex-wrap: wrap;
    gap: var(--u-spacing-sm);
  }

  .u-target-row-expand {
    padding: var(--u-spacing-md) var(--u-spacing-lg);
    margin: 0 calc(-1 * var(--u-spacing-lg));
  }

  .u-target-row-size { min-width: 56px; font-size: 0.9375rem; padding: 6px 14px; }

  /* Modals become bottom sheets */
  .u-modal-overlay { align-items: flex-end; }

  .u-modal {
    width: 100%;
    max-width: 100%;
    height: 85vh;
    border-radius: var(--u-radius) var(--u-radius) 0 0;
    animation: u-sheet-up 250ms ease-out;
    transition: transform 200ms ease-in;
  }

  .u-modal.u-modal-auto {
    height: auto;
    max-height: 85vh;
  }

  .u-modal-overlay.dismissing .u-modal {
    transform: translateY(100%);
  }

  .u-modal-overlay.dismissing {
    opacity: 0;
    transition: opacity 200ms ease-in;
  }

  @keyframes u-sheet-up {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
  }

  /* Larger touch targets */
  .u-modal-option {
    padding: var(--u-spacing-md) 16px;
    min-height: 48px;
  }

  .u-modal-bar { padding: 12px 16px; }

  .u-modal-close {
    width: 32px;
    height: 32px;
  }

  .u-modal-search {
    padding: 10px 14px;
    font-size: 1rem;
  }

  .size-btn {
    padding: 14px 8px;
    min-height: 44px;
  }

  .size-tab { padding: 8px 12px; }

  /* Chips */
  .u-chips { gap: 8px; }

  .u-chip { padding: 8px 8px 8px 14px; font-size: 0.875rem; }

  .u-chip-name { max-width: 130px; }

  .u-add-btn { padding: 8px 16px; font-size: 0.875rem; }

  /* Details modal */
  .u-details-header { padding: 0 var(--u-spacing-lg) var(--u-spacing-sm); }

  .u-details-tabs { padding: 0 var(--u-spacing-lg) var(--u-spacing-md); }

  .u-details-tab { padding: 0 var(--u-spacing-lg) var(--u-spacing-lg); }

  .u-detail-offer {
    flex-wrap: wrap;
    gap: var(--u-spacing-sm);
    padding: var(--u-spacing-md) var(--u-spacing-lg);
    margin: 0 calc(-1 * var(--u-spacing-lg));
  }

  /* Foot modal */
  .u-foot-modal { max-width: 100%; }

  /* Recently viewed */
  .u-recent { padding: var(--u-spacing-sm) var(--u-spacing-lg) var(--u-spacing-md); }

}