:root {
  --b3-canvas: var(--wm-color-canvas);
  --b3-panel: var(--wm-color-surface);
  --b3-ink: var(--wm-color-ink);
  --b3-muted: var(--wm-color-muted);
  --b3-muted-soft: var(--wm-color-muted-soft);
  --b3-teal: var(--wm-color-action);
  --b3-line: var(--wm-color-line);
  --b3-danger: var(--wm-color-danger);
  --b3-page-width: var(--mobile-shell-content-width, 346.56px);
}

* { box-sizing: border-box; }

html { min-width: 320px; background: var(--wm-color-app-bg); }

body.mobile-shell {
  min-height: 100vh;
  margin: 0;
  color: var(--b3-ink);
  background: var(--wm-color-app-bg);
  font-family: var(--wm-font-ui);
  -webkit-font-smoothing: antialiased;
}

button,
input { font: inherit; }

button { border: 0; cursor: pointer; }

button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 2px solid var(--b3-teal);
  outline-offset: 2px;
}

.b3-comparison-list {
  position: relative;
  width: min(100%, var(--b3-page-width));
  height: 100%;
  min-height: 0;
  margin: 0 auto;
  overflow: hidden;
  background: linear-gradient(180deg, var(--wm-color-canvas) 0%, var(--wm-color-primary-wash) 38%, var(--wm-color-primary-wash) 100%);
}

.b3-comparison-topbar {
  position: absolute;
  top: var(--mobile-shell-statusbar-height, 25px);
  right: 0;
  left: 0;
  z-index: 8;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 48px;
  height: 51px;
  align-items: center;
  padding: 0 4px;
  background: rgba(255, 255, 255, .98);
  border-bottom: 1px solid var(--wm-color-line);
}

.b3-comparison-topbar h1 {
  margin: 0;
  color: var(--b3-ink);
  font-size: 16px;
  font-weight: 700;
  line-height: 21px;
  text-align: center;
}

.b3-comparison-back {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 50%;
}

.b3-comparison-back-icon {
  display: block;
  width: 12px;
  height: 12px;
  border-bottom: 2px solid var(--b3-ink);
  border-left: 2px solid var(--b3-ink);
  transform: translateX(3px) rotate(45deg);
}

.b3-comparison-scroll {
  position: absolute;
  top: calc(var(--mobile-shell-statusbar-height, 25px) + 51px);
  right: 0;
  bottom: 91px;
  left: 0;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 10px 10px 20px;
  scrollbar-width: none;
  overscroll-behavior: contain;
}

.b3-comparison-scroll::-webkit-scrollbar { display: none; }

.b3-search {
  position: relative;
  height: 38px;
  margin: 0;
  overflow: hidden;
  border-radius: 999px;
  background: var(--wm-color-primary-wash);
  border: 1px solid var(--wm-color-line);
  box-shadow: 0 3px 10px rgba(var(--wm-ink-rgb), .035), inset 0 1px 0 rgba(255, 255, 255, .8);
  transition: background-color .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.b3-search-visual {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.b3-search-visual::before {
  position: absolute;
  top: 10px;
  left: 14px;
  width: 13px;
  height: 13px;
  content: "";
  border: 1.8px solid var(--wm-color-muted-strong);
  border-radius: 50%;
}

.b3-search-visual::after {
  position: absolute;
  top: 23px;
  left: 27px;
  width: 7px;
  height: 1.8px;
  content: "";
  background: var(--wm-color-muted-strong);
  border-radius: 999px;
  transform: rotate(45deg);
  transform-origin: left center;
}

.b3-search:focus-within {
  background: #fff;
  border-color: rgba(var(--wm-action-rgb), .55);
  box-shadow: 0 0 0 3px rgba(var(--wm-action-rgb), .09), 0 4px 12px rgba(var(--wm-ink-rgb), .045);
}

.b3-search input {
  position: absolute;
  top: 0;
  right: 40px;
  bottom: 0;
  left: 40px;
  z-index: 1;
  width: calc(100% - 80px);
  min-width: 0;
  padding: 0 4px 0 2px;
  color: var(--b3-ink);
  background: transparent;
  border: 0;
  outline: 0;
  font-family: var(--wm-font-ui);
  font-size: 12px;
  font-weight: 400;
  line-height: 38px;
  letter-spacing: 0;
}

.b3-search input::-webkit-search-cancel-button { display: none; }

.b3-search input::placeholder {
  color: var(--wm-color-muted-soft);
  font: inherit;
  opacity: 1;
}

.b3-search.has-value input { background: transparent; }

.b3-search-clear {
  position: absolute;
  top: 7px;
  right: 9px;
  z-index: 2;
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  padding: 0 0 1px;
  color: #fff;
  background: var(--wm-color-muted-strong);
  border-radius: 50%;
  font-size: 17px;
  font-weight: 300;
  line-height: 1;
}

.b3-search-clear[hidden] { display: none; }

.b3-search-scope {
  margin: 5px 2px 0;
  color: var(--b3-muted);
  font-size: 10px;
  line-height: 15px;
}

.b3-selected { margin-top: 6px; }

.b3-selected-summary {
  display: flex;
  min-height: 29px;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 0 2px;
}

.b3-selected-summary h2 {
  margin: 0;
  color: var(--b3-ink);
  font-size: 15px;
  font-weight: 700;
  line-height: 22px;
}

.b3-selected-summary h2 strong {
  color: var(--b3-teal);
  font-size: 21px;
  font-weight: 700;
}

.b3-selected-summary h2 span {
  margin-left: 2px;
  color: var(--b3-muted);
  font-size: 15px;
  font-weight: 600;
}

.b3-selected-summary p {
  margin: 0;
  color: var(--b3-muted);
  font-size: 11px;
  line-height: 17px;
  text-align: right;
}

.b3-selected-summary p.is-limit {
  max-width: 210px;
  color: var(--wm-color-danger);
  font-size: 10px;
}

.b3-selected-list,
.b3-result-list {
  display: grid;
  gap: 6px;
}

.b3-selected-list {
  gap: 0;
  padding: 3px 8px;
  overflow: hidden;
  background: rgba(255, 255, 255, .96);
  border: 1px solid var(--wm-color-line);
  border-radius: 15px;
  box-shadow: 0 4px 13px rgba(var(--wm-ink-rgb), .045);
}

.b3-model-card,
.b3-result-card {
  display: grid;
  min-width: 0;
  align-items: center;
  background: rgba(255, 255, 255, .98);
  border: 1px solid var(--wm-color-line);
  border-radius: 13px;
  box-shadow: 0 2px 8px rgba(var(--wm-ink-rgb), .045);
}

.b3-model-card {
  grid-template-columns: 96px minmax(0, 1fr) 25px;
  gap: 9px;
  min-height: 74px;
  padding: 7px 0;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.b3-model-card + .b3-model-card {
  border-top: 1px solid var(--wm-color-line);
}

.b3-card-image {
  width: 96px;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--wm-color-primary-wash);
  border-radius: 9px;
}

.b3-card-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.b3-card-copy { min-width: 0; }

.b3-card-copy h3 {
  display: -webkit-box;
  margin: 0;
  overflow: hidden;
  color: var(--wm-color-ink);
  font-size: 13px;
  font-weight: 700;
  line-height: 18px;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.b3-card-copy p {
  margin: 4px 0 0;
  overflow: hidden;
  color: var(--b3-muted);
  font-size: 10px;
  line-height: 15px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.b3-remove {
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  align-self: start;
  margin-top: 2px;
  padding: 0 0 2px;
  color: #fff;
  background: var(--b3-danger);
  border-radius: 50%;
  box-shadow: 0 2px 6px rgba(var(--wm-danger-rgb), .22);
  font-size: 17px;
  font-weight: 300;
  line-height: 1;
  transition: background-color .16s ease, transform .16s ease;
}

.b3-remove:active {
  background: var(--wm-color-danger-pressed);
  transform: scale(.94);
}

.b3-selected-empty {
  display: grid;
  min-height: 306px;
  place-content: center;
  justify-items: center;
  color: var(--b3-muted);
}

.b3-selected-empty[hidden] { display: none; }

.b3-selected-empty img {
  display: block;
  width: 112px;
  height: auto;
  object-fit: contain;
  border-radius: 10px;
}

.b3-selected-empty p {
  margin: 10px 0 0;
  font-size: 12px;
  font-weight: 700;
  line-height: 18px;
}

.b3-search-results {
  margin-top: 11px;
  padding-top: 10px;
  border-top: 1px solid var(--wm-color-line);
}

.b3-search-results[hidden] { display: none; }

.b3-search-results > h2 {
  margin: 0 0 7px 2px;
  color: var(--wm-color-muted-strong);
  font-size: 12px;
  font-weight: 700;
  line-height: 18px;
}

.b3-result-card {
  grid-template-columns: 88px minmax(0, 1fr) auto;
  gap: 8px;
  min-height: 70px;
  padding: 6px 8px 6px 6px;
}

.b3-result-card .b3-card-image { width: 88px; }
.b3-result-card .b3-card-copy h3 { font-size: 13px; line-height: 18px; }
.b3-result-card .b3-card-copy p { margin-top: 3px; }

.b3-result-action {
  min-width: 62px;
  min-height: 31px;
  padding: 7px 10px;
  color: #fff;
  background: var(--b3-teal);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  line-height: 16px;
  white-space: nowrap;
}

.b3-result-action:disabled {
  color: var(--wm-color-disabled-text);
  background: var(--wm-color-disabled-bg);
  cursor: default;
}

.b3-result-empty {
  margin: 6px 0 0;
  padding: 14px 12px;
  color: var(--b3-muted);
  background: var(--wm-color-primary-soft);
  border-radius: 12px;
  font-size: 11px;
  line-height: 17px;
  text-align: center;
}

.b3-result-empty[hidden] { display: none; }

.b3-comparison-action {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 12;
  padding: 8px 10px calc(12px + env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, .98);
  border-top: 1px solid var(--wm-color-line);
  box-shadow: 0 -8px 20px rgba(var(--wm-ink-rgb), .035);
}

.b3-comparison-action p {
  margin: 0 0 5px;
  color: var(--b3-muted);
  font-size: 10px;
  line-height: 15px;
  text-align: center;
}

.b3-comparison-action button {
  width: 100%;
  min-height: 44px;
  padding: 9px 14px;
  color: #fff;
  background: linear-gradient(90deg, var(--wm-color-primary), var(--wm-color-action));
  border-radius: 999px;
  box-shadow: 0 6px 14px rgba(var(--wm-action-rgb), .18);
  font-size: 16px;
  font-weight: 700;
  line-height: 24px;
}

.b3-comparison-action button:disabled {
  background: linear-gradient(90deg, var(--wm-color-disabled-strong), var(--wm-color-disabled-text));
  box-shadow: none;
  cursor: default;
}

@media (max-width: 350px) {
  .b3-model-card { grid-template-columns: 92px minmax(0, 1fr) 24px; gap: 7px; }
  .b3-card-image { width: 92px; }
  .b3-result-card { grid-template-columns: 84px minmax(0, 1fr) auto; gap: 6px; }
  .b3-result-card .b3-card-image { width: 84px; }
  .b3-card-copy h3 { font-size: 13px; line-height: 18px; }
  .b3-result-action { min-width: 58px; padding-right: 8px; padding-left: 8px; }
}