/* ==========================================================================
   Comparison matrix — sticky header, diff toggle, mobile snap scroll
   Fidelity: mockups/archive/legacy-v0/04-comparison-matrix.html
   ========================================================================== */

.drc-cmp {
  --cmp-label-w: 7.5rem;
  --cmp-col-min: 260px;
  padding-bottom: var(--s8);
}

@media (min-width: 1024px) {
  .drc-cmp {
    --cmp-label-w: 200px;
  }
}

.drc-cmp__eyebrow {
  margin: 0;
  font: 600 11px/1 var(--font-ui);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.drc-cmp__header {
  margin: 0 0 var(--s6);
  max-width: 48rem;
}

.drc-cmp__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.drc-cmp__title {
  margin: 0;
  font: 600 clamp(1.75rem, 2vw + 1rem, 2.5rem)/1.15 var(--font-display);
  letter-spacing: -0.02em;
  color: var(--espresso);
}

.drc-cmp__lede {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--muted);
}

.drc-cmp__empty {
  margin: 24px 0;
  color: var(--muted);
  font-size: 14px;
}

/* ——— Verdict ——— */
.drc-cmp__verdict {
  margin-bottom: var(--s6);
  overflow: hidden;
}

.drc-cmp__verdict-bar {
  padding: 12px 20px;
  border-bottom: 1px solid var(--stone);
  background: var(--cream);
}

.drc-cmp__verdict-grid {
  display: grid;
  gap: 0;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .drc-cmp__verdict-grid {
    grid-template-columns: repeat(var(--cmp-n, 2), minmax(0, 1fr));
  }
}

.drc-cmp__verdict-col {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px;
  border-bottom: 1px solid var(--stone);
}

@media (min-width: 768px) {
  .drc-cmp__verdict-col {
    border-bottom: 0;
    border-right: 1px solid var(--stone);
  }
  .drc-cmp__verdict-col:last-child {
    border-right: 0;
  }
}

.drc-cmp__verdict-col.is-winner {
  background: color-mix(in srgb, var(--blue) 28%, var(--milk));
}

.drc-cmp__verdict-score {
  display: grid;
  place-items: center;
  flex: none;
  width: 48px;
  height: 48px;
  border-radius: 999px;
  border: 1px solid var(--stone);
  background: var(--cream);
  font: 600 1.25rem/1 var(--font-display);
  color: var(--espresso);
}

.drc-cmp__verdict-col.is-winner .drc-cmp__verdict-score {
  border-color: var(--forest);
  background: color-mix(in srgb, var(--forest) 12%, var(--milk));
  color: var(--forest);
}

.drc-cmp__verdict-name {
  margin: 0 0 6px;
  font: 600 15px/1.3 var(--font-ui);
  color: var(--espresso);
}

.drc-cmp__summary {
  padding: 16px 20px;
  border-top: 1px solid var(--stone);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--espresso);
}

.drc-cmp__summary p {
  margin: 0 0 0.6em;
}

.drc-cmp__summary p:last-child {
  margin-bottom: 0;
}

/* ——— Diff toggle ——— */
.drc-cmp__toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.drc-cmp__diff {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--stone);
  border-radius: 12px;
  background: var(--milk);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  text-align: left;
  color: inherit;
  font: inherit;
}

.drc-cmp__diff:active {
  transform: scale(0.98);
}

.drc-cmp__toggle {
  position: relative;
  flex: none;
  width: 44px;
  height: 26px;
  border-radius: 999px;
  background: var(--stone);
  transition: background 180ms ease;
}

.drc-cmp__toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: var(--milk);
  box-shadow: var(--shadow-sm);
  transition: transform 200ms cubic-bezier(0.22, 1.2, 0.36, 1);
}

.drc-cmp__diff[aria-pressed="true"] .drc-cmp__toggle {
  background: var(--forest);
}

.drc-cmp__diff[aria-pressed="true"] .drc-cmp__toggle-thumb {
  transform: translateX(18px);
}

.drc-cmp__diff-label {
  display: block;
  font: 600 13px/1.2 var(--font-ui);
  color: var(--espresso);
}

.drc-cmp__diff-hint {
  display: block;
  margin-top: 2px;
  font-size: 11px;
  color: var(--muted);
}

.drc-cmp__count {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
}

.drc-cmp__count strong {
  color: var(--espresso);
}

/* ——— Matrix scroller ——— */
.drc-cmp__mobile-hint {
  display: block;
  margin: 0 0 10px;
  font-size: 12px;
  color: var(--muted);
}

@media (min-width: 1024px) {
  .drc-cmp__mobile-hint {
    display: none;
  }
}

.drc-cmp__scroller {
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--stone);
  border-radius: var(--r-panel);
  background: var(--milk);
  box-shadow: var(--shadow-sm);
}

@media (min-width: 1024px) {
  .drc-cmp__scroller {
    scroll-snap-type: none;
    overflow-x: visible;
  }
}

.drc-cmp__table {
  --cmp-grid: var(--cmp-label-w) repeat(var(--cmp-n, 2), minmax(var(--cmp-col-min), 1fr));
  min-width: calc(var(--cmp-label-w) + (var(--cmp-n, 2) * var(--cmp-col-min)));
}

/* ——— Sticky product header ——— */
.drc-cmp__sticky {
  position: sticky;
  top: calc(var(--header-h, 56px) + env(safe-area-inset-top, 0px));
  z-index: 40;
  display: grid;
  grid-template-columns: var(--cmp-grid);
  border-bottom: 1px solid var(--stone);
  background: color-mix(in srgb, var(--milk) 92%, transparent);
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 20px -16px rgba(23, 35, 31, 0.35);
}

.drc-cmp__corner,
.drc-cmp__label {
  position: sticky;
  left: 0;
  z-index: 2;
  background: var(--cream);
  border-right: 1px solid var(--stone);
}

.drc-cmp__corner {
  z-index: 3;
  display: flex;
  align-items: flex-end;
  padding: 16px;
  background: color-mix(in srgb, var(--cream) 92%, transparent);
}

.drc-cmp__product {
  display: flex;
  gap: 12px;
  min-width: 0;
  padding: 14px;
  border-right: 1px solid var(--stone);
  scroll-snap-align: start;
}

.drc-cmp__product:last-child {
  border-right: 0;
}

.drc-cmp__thumb {
  flex: none;
  width: 56px;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid var(--stone);
  background: var(--bg-tile, var(--cream));
}

.drc-cmp__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.drc-cmp__ph {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(165deg, var(--cream), var(--stone));
}

.drc-cmp__product-meta {
  min-width: 0;
  flex: 1;
}

.drc-cmp__product-name {
  display: block;
  font: 600 15px/1.25 var(--font-display);
  color: var(--espresso);
  text-decoration: none;
}

.drc-cmp__product-name:hover {
  color: var(--forest);
}

.drc-cmp__product-price {
  margin: 4px 0 8px;
  font: 700 13px/1.2 var(--font-ui);
  color: var(--espresso);
}

/* ——— Groups ——— */
.drc-cmp__group {
  border-bottom: 1px solid var(--stone);
}

.drc-cmp__group:last-child {
  border-bottom: 0;
}

.drc-cmp__group-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  min-height: 48px;
  padding: 12px 16px;
  border: 0;
  background: color-mix(in srgb, var(--cream) 70%, var(--milk));
  font: 600 13px/1.2 var(--font-ui);
  color: var(--espresso);
  cursor: pointer;
  list-style: none;
}

.drc-cmp__group-head::-webkit-details-marker {
  display: none;
}

.drc-cmp__chev {
  transition: transform 180ms ease;
  opacity: 0.7;
}

.drc-cmp__group[open] .drc-cmp__chev {
  transform: rotate(180deg);
}

.drc-cmp__row {
  display: grid;
  grid-template-columns: var(--cmp-grid);
  border-top: 1px solid var(--stone);
  min-height: 3.25rem;
}

.drc-cmp.is-diff-only .drc-cmp__row[data-equal="1"] {
  display: none;
}

.drc-cmp__label {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  padding: 12px 14px;
  font: 600 12px/1.35 var(--font-ui);
  color: var(--muted);
}

.drc-cmp__note {
  font: 500 11px/1.35 var(--font-ui);
  color: var(--forest);
}

.drc-cmp__cell {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  min-width: 0;
  padding: 12px 14px;
  border-right: 1px solid var(--stone);
  scroll-snap-align: start;
}

.drc-cmp__cell:last-child {
  border-right: 0;
}

.drc-cmp__cell.is-advantage {
  background: color-mix(in srgb, var(--blue) 22%, var(--milk));
}

.drc-cmp__cell-text {
  margin: 0;
  font: 500 13px/1.35 var(--font-ui);
  color: var(--espresso);
  overflow-wrap: anywhere;
}

.drc-cmp__adv {
  display: inline-flex;
  width: fit-content;
  padding: 2px 6px;
  border-radius: 6px;
  background: var(--blue);
  color: var(--forest);
  font: 700 10px/1 var(--font-ui);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.drc-cmp__merchants {
  gap: 8px;
}

.drc-cmp__merchant {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 44px;
  padding: 8px 10px;
  border: 1px solid var(--stone);
  border-radius: 8px;
  background: var(--cream);
  color: var(--espresso);
  font: 600 12px/1.2 var(--font-ui);
  text-decoration: none;
}

.drc-cmp__merchant:hover {
  border-color: var(--forest);
}

.drc-cmp__merchant:active {
  transform: scale(0.98);
}

.drc-cmp__muted {
  font-size: 12px;
  color: var(--muted);
}

@media (prefers-reduced-motion: reduce) {
  .drc-cmp__toggle-thumb,
  .drc-cmp__chev,
  .drc-cmp__diff {
    transition: none;
  }
}

/* ——— Live builder (compare archive) ——— */
.drc-cmp-builder {
  margin: 0 0 64px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--stone);
}

.drc-cmp-builder__head {
  max-width: 640px;
  margin-bottom: 24px;
}

.drc-cmp-builder__title {
  margin: 0;
  font: 500 clamp(28px, 3vw, 36px) / 1.15 var(--font-display);
  color: var(--forest);
}

.drc-cmp-builder__lede {
  margin: 10px 0 0;
  font-size: 16px;
  line-height: 1.55;
  color: var(--muted);
}

.drc-cmp-builder__slots {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.drc-cmp-slot {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  min-height: 180px;
  padding: 14px;
  border: 1.5px solid var(--stone);
  border-radius: 16px;
  background: var(--milk);
  text-align: left;
  color: var(--espresso);
  font: inherit;
  cursor: pointer;
  transition: border-color 160ms var(--ease, ease), background 160ms var(--ease, ease);
}

.drc-cmp-slot.is-empty {
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-style: dashed;
  background: color-mix(in srgb, var(--cream) 70%, var(--milk));
  color: var(--muted);
  font: 600 14px / 1.3 var(--font-ui);
}

.drc-cmp-slot.is-empty:hover {
  border-color: var(--forest);
  color: var(--forest);
  background: var(--cream);
}

.drc-cmp-slot.is-filled {
  cursor: default;
}

.drc-cmp-slot__plus {
  font-size: 28px;
  line-height: 1;
  font-weight: 400;
}

.drc-cmp-slot__remove {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 2;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 999px;
  background: color-mix(in srgb, var(--espresso) 8%, var(--milk));
  color: var(--espresso);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}

.drc-cmp-slot__remove:hover {
  background: var(--forest);
  color: var(--milk);
}

.drc-cmp-slot__thumb {
  display: block;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 12px;
  background: var(--cream);
}

.drc-cmp-slot__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.drc-cmp-slot__name {
  margin: 0;
  font: 500 17px / 1.25 var(--font-display);
}

.drc-cmp-slot__name a {
  color: inherit;
  text-decoration: none;
}

.drc-cmp-slot__name a:hover {
  color: var(--forest);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.drc-cmp-slot__price {
  margin: 0;
  font: 600 13.5px / 1.3 var(--font-ui);
  color: var(--muted);
}

.drc-cmp-builder__hint {
  margin: 0 0 20px;
  font-size: 14.5px;
  color: var(--muted);
}

.drc-cmp-builder__hint a {
  color: var(--forest);
  font-weight: 600;
}

.drc-cmp--live {
  margin-top: 28px;
}

.drc-cmp-editorial {
  margin-top: 8px;
}

.drc-cmp-editorial__head {
  max-width: 560px;
  margin-bottom: 20px;
}

.drc-cmp-editorial__head h2 {
  margin: 0;
  font: 500 28px / 1.2 var(--font-display);
  color: var(--forest);
}

.drc-cmp-editorial__head p {
  margin: 8px 0 0;
  color: var(--muted);
}

.drc-cmp-picker {
  padding: 0;
  border: 0;
  background: transparent;
  max-width: min(560px, calc(100vw - 32px));
  width: min(560px, calc(100vw - 32px));
}

.drc-cmp-picker::backdrop {
  background: color-mix(in srgb, var(--espresso) 45%, transparent);
}

.drc-cmp-picker__panel {
  display: flex;
  flex-direction: column;
  max-height: min(80vh, 640px);
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--stone);
  border-radius: var(--r-panel, 16px);
  background: var(--milk);
  box-shadow: var(--shadow-pop, 0 16px 40px rgba(56, 34, 28, 0.18));
}

.drc-cmp-picker__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex: none;
  padding: 16px 16px 14px 20px;
  border-bottom: 1px solid var(--stone);
}

.drc-cmp-picker__head h2 {
  margin: 0;
  font: 600 20px / 1.25 var(--font-display);
  color: var(--forest);
}

.drc-cmp-picker__close {
  display: inline-grid;
  place-items: center;
  flex: none;
  width: 44px;
  height: 44px;
  margin: 0;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 12px;
  background: transparent;
  color: var(--espresso);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  transition:
    background-color 160ms var(--ease, ease),
    border-color 160ms var(--ease, ease),
    color 160ms var(--ease, ease),
    transform 80ms var(--ease, ease);
}

.drc-cmp-picker__close .ic {
  width: 20px;
  height: 20px;
  display: block;
}

.drc-cmp-picker__close:hover,
.drc-cmp-picker__close:focus-visible {
  background: var(--cream);
  border-color: var(--stone);
  color: var(--forest);
  outline: none;
}

.drc-cmp-picker__close:active {
  transform: scale(0.96);
}

.drc-cmp-picker__body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1 1 auto;
  min-height: 0;
  padding: 16px 20px 8px;
}

.drc-cmp-picker__input {
  width: 100%;
  min-height: 48px;
  margin: 0;
  padding: 0 16px;
  border: 1.5px solid var(--stone);
  border-radius: 999px;
  background: var(--cream);
  font: 500 15px / 1.2 var(--font-ui);
  color: var(--espresso);
  box-sizing: border-box;
}

.drc-cmp-picker__input::placeholder {
  color: var(--muted);
  opacity: 1;
}

.drc-cmp-picker__input:focus {
  outline: 2px solid var(--forest);
  outline-offset: 2px;
  border-color: var(--forest);
}

.drc-cmp-picker__results {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1 1 auto;
  min-height: 120px;
  max-height: min(360px, 48vh);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: 4px;
  --scroll-size: 6px;
}

.drc-cmp-picker__row {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: transparent;
  text-align: left;
  cursor: pointer;
  color: var(--espresso);
  font: inherit;
}

.drc-cmp-picker__row:hover,
.drc-cmp-picker__row:focus-visible {
  background: var(--cream);
  border-color: var(--stone);
  outline: none;
}

.drc-cmp-picker__thumb {
  width: 48px;
  height: 48px;
  overflow: hidden;
  border-radius: 10px;
  background: var(--cream);
  flex: none;
}

.drc-cmp-picker__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.drc-cmp-picker__meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.drc-cmp-picker__meta strong {
  font: 600 14.5px / 1.3 var(--font-ui);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.drc-cmp-picker__meta span {
  font-size: 13px;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.drc-cmp-picker__score {
  font: 700 14px / 1 var(--font-ui);
  color: var(--forest);
  flex: none;
  padding-left: 4px;
}

.drc-cmp-picker__status {
  flex: none;
  margin: 0;
  padding: 12px 20px 16px;
  border-top: 1px solid var(--stone);
  font-size: 13px;
  color: var(--muted);
}

@media (max-width: 900px) {
  .drc-cmp-builder__slots {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .drc-cmp-builder__slots {
    grid-template-columns: 1fr;
  }
}