/**
 * Chemesis Core — Single product (PDP) styles.
 * Port of the approved Vercel product page. Prefix: .chp-*.
 */

/* ------------------------------------------------------------------
   Main split: media (sticky) + info/purchase
   ------------------------------------------------------------------ */
.chp-main {
  background: var(--ch-paper);
  padding-top: 2rem;
  padding-bottom: 3.5rem;
}

@media (min-width: 768px) {
  .chp-main {
    padding-bottom: 5rem;
  }
}

.chp-main-grid {
  display: grid;
  gap: 3rem;
}

@media (min-width: 1024px) {
  .chp-main-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 3.5rem;
    align-items: start;
  }
}

.chp-media-col {
  min-width: 0;
}

@media (min-width: 1024px) {
  .chp-media-col {
    grid-column: span 5;
  }
}

.chp-sticky {
  min-width: 0;
}

@media (min-width: 1024px) {
  .chp-sticky {
    position: sticky;
    top: 7rem;
  }
}

.chp-media {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
}

.chp-media img.chp-media-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 9%;
}

/* Neutral state for products without an approved render */
.chp-media-neutral .chh-grid-mesh {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.chp-neutral-molecule {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.28;
}

.chp-neutral-inner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.chp-neutral-initials {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 6rem;
  width: 6rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-family: var(--ch-font-display);
  font-size: 1.5625rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #fff;
}

.chp-neutral-label {
  margin-top: 1.25rem;
  font-family: var(--ch-font-mono);
  font-size: var(--ch-type-label);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.6);
}

.chp-neutral-sub {
  margin-top: 0.375rem;
  font-family: var(--ch-font-mono);
  font-size: var(--ch-type-caption);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.3);
}

/* Gallery thumbnails (future images) */
.chp-thumbs {
  margin-top: 0.75rem;
  display: flex;
  gap: 0.5rem;
}

.chp-thumb {
  height: 4rem;
  width: 4rem;
  overflow: hidden;
  border-radius: var(--ch-radius-sm);
  border: 1px solid var(--ch-line);
  background: #fff;
  cursor: pointer;
  padding: 0;
}

.chp-thumb.is-active {
  border-color: var(--ch-ink-900);
}

.chp-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 4px;
}

/* Quick document links under the media stage */
.chp-quickdocs {
  margin-top: 1rem;
  display: grid;
  gap: 0.5rem;
}

.chp-quickdoc {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: var(--ch-radius-md);
  border: 1px solid var(--ch-line);
  background: #fff;
  padding: 0.75rem 1rem;
  text-decoration: none;
  transition: border-color 0.3s var(--ch-ease-expo);
}

.chp-quickdoc:hover {
  border-color: rgba(0, 12, 48, 0.25);
}

.chp-quickdoc-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.chp-quickdoc-left svg {
  color: var(--ch-blue);
}

.chp-quickdoc-left .ch-mono {
  font-size: var(--ch-type-mono);
}

.chp-quickdoc-icon {
  color: var(--ch-faint);
  transition: color 0.3s var(--ch-ease-expo);
}

.chp-quickdoc:hover .chp-quickdoc-icon {
  color: var(--ch-blue);
}

/* Right column */
.chp-info-col {
  min-width: 0;
}

@media (min-width: 1024px) {
  .chp-info-col {
    grid-column: span 7;
  }
}

.chp-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.chp-spec-grid {
  display: grid;
  border-top: 1px solid var(--ch-line);
}

.chp-spec-preview {
  margin-top: 2.25rem;
}

@media (min-width: 640px) {
  .chp-spec-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 2.5rem;
  }
}

.chp-spec-row {
  display: grid;
  grid-template-columns: minmax(108px, 200px) minmax(0, 1fr);
  gap: 1rem;
  align-items: baseline;
  padding-block: 0.85rem;
  border-bottom: 1px solid var(--ch-line);
}

.chp-spec-key {
  font-family: var(--ch-font-mono);
  font-size: var(--ch-type-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ch-faint);
}

.chp-spec-val {
  margin: 0;
  font-size: 1rem;
  color: var(--ch-inktext, #1c2438);
  min-width: 0;
  overflow-wrap: anywhere;
}

.chp-price {
  margin-top: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  column-gap: 0.75rem;
  row-gap: 0.375rem;
}

.chp-price-sale {
  font-family: var(--ch-font-display);
  font-size: 2.25rem;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--ch-ink-900);
}

.chp-price-reg {
  font-family: var(--ch-font-mono);
  font-size: var(--ch-type-body);
  color: var(--ch-faint);
  text-decoration: line-through;
}

.chp-price-save {
  font-family: var(--ch-font-mono);
  font-size: var(--ch-type-label);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ch-blue-600);
}

/* Purchase block */
.chp-buy {
  margin-top: 1.5rem;
}

.chp-stock {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--ch-font-mono);
  font-size: var(--ch-type-label);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ch-muted);
}

.chp-stock-dot {
  height: 6px;
  width: 6px;
  border-radius: 9999px;
  background: #10b981;
}

.chp-stock.is-out .chp-stock-dot {
  background: #d23b3b;
}

.chp-buy-row {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0.75rem;
}

.chp-qty {
  display: flex;
  height: 3.25rem;
  align-items: center;
  border-radius: var(--ch-radius-sm);
  border: 1px solid var(--ch-line);
  background: #fff;
}

.chp-qty button {
  display: flex;
  height: 100%;
  width: 2.75rem;
  align-items: center;
  justify-content: center;
  border: 0;
  background: transparent;
  color: var(--ch-muted);
  cursor: pointer;
  transition: color 0.3s var(--ch-ease-expo);
}

.chp-qty button:hover {
  color: var(--ch-ink-900);
}

.chp-qty-input {
  width: 4rem;
  border: 0;
  background: transparent;
  text-align: center;
  font-family: var(--ch-font-mono);
  font-size: var(--ch-type-body);
  color: var(--ch-inktext, #1c2438);
  -moz-appearance: textfield;
  appearance: textfield;
}

.chp-qty-input::-webkit-outer-spin-button,
.chp-qty-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.chp-add {
  flex: 1;
}

@media (min-width: 640px) {
  .chp-add {
    flex: 0 0 auto;
  }
}

.chp-buy-meta {
  margin-top: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  column-gap: 1.5rem;
  row-gap: 0.5rem;
}

.chp-buy-meta .ch-mono {
  font-size: var(--ch-type-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ch-faint);
}

.chp-buy-meta .chh-arrow-link {
  font-size: var(--ch-type-body-sm);
}

/* Intended use & compliance */
.chp-intended {
  margin-top: 2.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  border-radius: var(--ch-radius-md);
  border: 1px solid var(--ch-line);
  background: #fff;
  padding: 1.5rem;
}

.chp-intended-icon {
  display: flex;
  height: 2.5rem;
  width: 2.5rem;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  background: var(--ch-blue-100);
  color: var(--ch-blue-600);
}

.chp-intended-title {
  font-size: var(--ch-type-body);
  font-weight: 600;
  color: var(--ch-ink-900);
}

.chp-intended-text {
  margin-top: 0.375rem;
  font-size: var(--ch-type-body-sm);
  line-height: 1.65;
  color: var(--ch-muted);
}

.chp-intended-note {
  margin-top: 0.75rem;
  font-size: var(--ch-type-body-sm);
  line-height: 1.65;
  color: var(--ch-faint);
}

/* Mobile sticky purchase bar */
.chp-stickybar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-top: 1px solid var(--ch-line);
  background: rgba(255, 255, 255, 0.95);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  padding: 0.75rem 1rem;
  padding-bottom: calc(0.75rem + env(safe-area-inset-bottom, 0px));
}

@media (min-width: 1024px) {
  .chp-stickybar {
    display: none;
  }
}

.chp-stickybar-info {
  min-width: 0;
  flex: 1;
}

.chp-stickybar-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: var(--ch-type-body-sm);
  font-weight: 500;
  color: var(--ch-ink-900);
}

.chp-stickybar-price {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.chp-stickybar-price span {
  font-family: var(--ch-font-display);
  font-size: var(--ch-type-body);
  font-weight: 600;
  color: var(--ch-ink-900);
}

.chp-stickybar-price del {
  font-family: var(--ch-font-mono);
  font-size: var(--ch-type-mono);
  color: var(--ch-faint);
}

.chp-spacer {
  height: 4rem;
}

@media (min-width: 1024px) {
  .chp-spacer {
    display: none;
  }
}

/* ------------------------------------------------------------------
   Specifications + Documentation
   ------------------------------------------------------------------ */
.chp-specs-docs {
  border-top: 1px solid var(--ch-line);
  background: #fff;
  padding-block: 4rem;
}

@media (min-width: 768px) {
  .chp-specs-docs {
    padding-block: 6rem;
  }
}

.chp-sd-grid {
  display: grid;
  gap: 3.5rem;
}

@media (min-width: 1024px) {
  .chp-sd-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }
}

.chp-sd-specs {
  min-width: 0;
}

@media (min-width: 1024px) {
  .chp-sd-specs {
    grid-column: span 7;
  }
}

.chp-sd-docs {
  min-width: 0;
}

@media (min-width: 1024px) {
  .chp-sd-docs {
    grid-column: span 5;
  }
}

.chp-h3 {
  font-family: var(--ch-font-display);
  font-size: var(--ch-type-h3);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--ch-ink-900);
}

.chp-body {
  font-size: var(--ch-type-body);
  line-height: 1.65;
  color: var(--ch-muted);
}

.chp-sd-lead {
  margin-top: 0.75rem;
  max-width: 36rem;
}

.chp-sd-specs .chp-spec-grid {
  margin-top: 2rem;
}

.chp-doc-cards {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.chp-doc-card {
  display: block;
  border-radius: var(--ch-radius-md);
  border: 1px solid var(--ch-line);
  background: var(--ch-paper);
  padding: 1.25rem;
  text-decoration: none;
  transition: border-color 0.3s var(--ch-ease-expo), background-color 0.3s var(--ch-ease-expo);
}

.chp-doc-card:hover {
  border-color: rgba(0, 12, 48, 0.25);
  background: #fff;
}

.chp-doc-card-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.chp-doc-card-title {
  font-size: var(--ch-type-body);
  font-weight: 600;
  color: var(--ch-ink-900);
}

.chp-doc-card-desc {
  margin-top: 0.5rem;
  font-size: var(--ch-type-body-sm);
  line-height: 1.65;
  color: var(--ch-muted);
}

.chp-doc-card-meta {
  margin-top: 0.75rem;
  font-family: var(--ch-font-mono);
  font-size: var(--ch-type-mono);
  line-height: 1rem;
  color: var(--ch-faint);
}

.chp-doc-card-icon {
  display: flex;
  height: 2.5rem;
  width: 2.5rem;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  border: 1px solid var(--ch-line);
  color: var(--ch-muted);
  transition: border-color 0.3s var(--ch-ease-expo), color 0.3s var(--ch-ease-expo);
}

.chp-doc-card:hover .chp-doc-card-icon {
  border-color: var(--ch-blue);
  color: var(--ch-blue);
}

.chp-addnl-note {
  margin-top: 1.5rem;
  font-size: var(--ch-type-mono);
  line-height: 1.6;
  color: var(--ch-faint);
}

/* ------------------------------------------------------------------
   Related compounds
   ------------------------------------------------------------------ */
.chp-related {
  border-top: 1px solid var(--ch-line);
  background: var(--ch-paper);
  padding-block: 4rem;
}

@media (min-width: 768px) {
  .chp-related {
    padding-block: 6rem;
  }
}

.chp-related-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem 1.5rem;
}

.chp-related-grid {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .chp-related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .chp-related-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ------------------------------------------------------------------
   Reduced motion
   ------------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  .chp-quickdoc,
  .chp-thumb,
  .chp-doc-card,
  .chp-doc-card-icon,
  .chp-qty button {
    transition: none;
  }
}

/* ------------------------------------------------------------------
   Elementor kit/theme button shield for PDP blocks
   ------------------------------------------------------------------ */
body :is(.chp-main, .chp-specs-docs, .chp-related) button,
body :is(.chp-main, .chp-specs-docs, .chp-related) button:hover,
body :is(.chp-main, .chp-specs-docs, .chp-related) button:focus,
body :is(.chp-main, .chp-specs-docs, .chp-related) button:focus-visible {
  background: transparent;
  color: inherit;
  padding: 0;
}

body .chp-main .chp-add {
  background: var(--ch-blue);
  color: #fff;
  padding-inline: var(--ch-btn-padding);
}

body .chp-main .chp-add:hover {
  background: var(--ch-blue-600);
  color: #fff;
}

body .chp-main .chp-buynow,
body .chp-main .ch-btn-ink {
  background: var(--ch-ink-900);
  color: #fff;
  padding-inline: var(--ch-btn-padding);
}

body .chp-main .chp-buynow:hover,
body .chp-main .ch-btn-ink:hover {
  background: var(--ch-ink-700);
  color: #fff;
}

body .chp-main .chp-add:disabled,
body .chp-main .chp-buynow:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

body .chp-related .ch-btn-outline,
body .chp-related .ch-btn-outline:hover,
body .chp-related .ch-btn-outline:focus,
body .chp-related .ch-btn-outline:focus-visible {
  background: transparent;
  color: var(--ch-ink-900);
  padding-inline: 1.1rem;
}

body .chp-related .ch-btn-outline:hover {
  border-color: var(--ch-ink-900);
  background: rgba(0, 12, 48, 0.04);
}

/* Quantity stepper: restore muted base color + hover feedback (shield
   previously forced inherit/no-change), and a visible field focus ring. */
body .chp-main .chp-qty button {
  color: var(--ch-muted);
}

body .chp-main .chp-qty button:hover {
  color: var(--ch-ink-900);
  background: var(--ch-paper);
}

body .chp-main .chp-qty .chp-qty-input:focus {
  outline: 2px solid var(--ch-blue);
  outline-offset: -2px;
  box-shadow: none;
}

/* Measured parity: price line-height + quantity input padding */
.chp-price-sale {
  line-height: 2.25rem;
}

.chp-qty-input {
  padding: 0;
}