/* shop.css - product page specifics: slider, bundle/color/size pickers */

/* ============================================================
   Product slider
   ============================================================ */
.product-slider {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--color-paper);
  border: 1px solid var(--color-hairline);
}

.slider-viewport {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.slider-track {
  position: relative;
  width: 100%;
  height: 100%;
}

.slider-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--dur-slow) var(--ease-out);
  pointer-events: none;
}

.slider-slide.is-active {
  opacity: 1;
  pointer-events: auto;
}

.slider-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.slider-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(251, 248, 242, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(212, 207, 196, 0.6);
  color: var(--color-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-out);
  z-index: 3;
}

.slider-nav:hover {
  border-color: var(--color-ink);
  transform: translateY(-50%) scale(1.05);
}

.slider-nav:active {
  transform: translateY(-50%) scale(0.96);
}

.slider-nav.prev {
  inset-inline-start: 12px;
}

.slider-nav.next {
  inset-inline-end: 12px;
}

.slider-nav svg {
  width: 18px;
  height: 18px;
}

.slider-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  padding: 12px;
  position: absolute;
  bottom: 0;
  inset-inline-start: 0;
  inset-inline-end: 0;
  z-index: 2;
}

.slider-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(19, 18, 17, 0.2);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background-color var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-out);
}

.slider-dot.is-active {
  background: var(--color-ink);
  transform: scale(1.3);
}

/* ============================================================
   Product options (color / size / bundle)
   ============================================================ */
.product-options {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 16px;
}

.product-option-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.product-option-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-ink);
  font-family: var(--font-sans);
}

.product-option-label .selected-value {
  color: var(--color-muted);
  font-weight: 400;
  margin-inline-start: 4px;
}

/* Color picker */
.color-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.color-btn {
  appearance: none;
  -webkit-appearance: none;
  padding: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  position: relative;
  transition: transform var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
}

.color-btn:hover {
  transform: scale(1.08);
}

.color-btn.is-active {
  border-color: var(--color-ink);
  transform: scale(1.08);
}

.color-btn::after {
  content: "";
  position: absolute;
  inset: 2px;
  border-radius: 50%;
  background: var(--color);
  border: 1px solid rgba(19, 18, 17, 0.1);
}

/* Size picker */
.size-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.size-btn {
  appearance: none;
  -webkit-appearance: none;
  min-width: 48px;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-hairline);
  background: var(--color-paper);
  color: var(--color-ink);
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease-out),
              background-color var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out);
}

.size-btn:hover {
  border-color: var(--color-ink);
}

.size-btn.is-active {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: var(--color-paper);
}

/* Bundle picker */
.bundle-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.bundle-btn {
  appearance: none;
  -webkit-appearance: none;
  padding: 12px 16px;
  border-radius: var(--radius-block);
  border: 1px solid var(--color-hairline);
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 14px;
  cursor: pointer;
  text-align: start;
  transition: border-color var(--dur-fast) var(--ease-out),
              background-color var(--dur-fast) var(--ease-out);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.bundle-btn:hover {
  border-color: var(--color-ink);
}

.bundle-btn.is-active {
  border-color: var(--color-accent);
  background: rgba(194, 65, 12, 0.04);
}

.bundle-btn-name {
  font-weight: 500;
}

.bundle-btn-price {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-muted);
  letter-spacing: var(--tracking-mono);
}

/* Bundle pieces (per-item picker) */
.bundle-pieces {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-card);
  background: var(--color-surface);
}

.piece-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-hairline);
}

.piece-item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.piece-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
}

.piece-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-ink);
  color: var(--color-paper);
  font-family: var(--font-mono);
  font-size: 11px;
  flex-shrink: 0;
}

.piece-colors,
.piece-sizes {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* Quantity stepper */
.qty-stepper {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.qty-stepper button {
  width: 36px;
  height: 36px;
  background: var(--color-paper);
  color: var(--color-ink);
  font-size: 18px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--dur-fast) var(--ease-out);
}

.qty-stepper button:hover {
  background: var(--color-hairline);
}

.qty-stepper input {
  width: 48px;
  height: 36px;
  border: none;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 14px;
  background: transparent;
  font-weight: 500;
}

.qty-stepper input:focus {
  outline: none;
  background: var(--color-paper);
}