* { box-sizing: border-box; }
html, body { max-width: 100%; overflow-x: hidden; }

.gb-detail { width: 100%; max-width: 100%; }
.gb-detail-intro { padding: 26px 30px 4px; }
.gb-detail-intro .gb-detail-title { margin: 0; }
.gb-detail-intro .gb-detail-sub { max-width: 850px; }
.gb-detail-grid {
  grid-template-columns: minmax(0, 1.35fr) minmax(340px, .65fr);
  align-items: start;
}
.gb-detail-product,
.gb-deal-panel,
.gb-detail-product > *,
.gb-deal-panel > * { min-width: 0; max-width: 100%; }
.gb-detail-product { padding: 26px 30px 30px; overflow: visible; }
.gb-deal-panel { overflow: hidden; }

.gb-product-picker {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin: 0;
}
.gb-product-picker-hint { display: none; }
.gb-product-card {
  display: flex;
  min-width: 0;
  min-height: 100%;
  padding: 0;
  overflow: hidden;
  border: 1px solid #d5e1ec;
  border-radius: 18px;
  color: #15263c;
  background: #fff;
  box-shadow: 0 8px 22px rgba(21, 48, 78, .06);
  text-align: left;
  cursor: pointer;
  flex-direction: column;
}
.gb-product-card:hover { border-color: #8abbe8; transform: translateY(-2px); }
.gb-product-card.active { border-color: #2d8be2; box-shadow: 0 0 0 4px rgba(45, 139, 226, .12), 0 12px 28px rgba(21, 48, 78, .1); }
.gb-product-card-art {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  height: 210px;
  padding: 16px;
  overflow: hidden;
  background: linear-gradient(145deg, #f7fafc, #edf5fb);
}
.gb-product-card-art .gb-real-product-image {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: contain;
}
.gb-product-card-art .gb-product-fallback { min-height: 100%; padding: 12px; font-size: 11px; }
.gb-product-card-body { display: flex; flex: 1; width: 100%; min-width: 0; padding: 17px; flex-direction: column; }
.gb-product-card-body h3 { margin: 0; font-size: 16px; line-height: 1.28; overflow-wrap: anywhere; }
.gb-product-card-body p { margin: 8px 0 15px; color: #61748a; font-size: 12px; line-height: 1.5; overflow-wrap: anywhere; }
.gb-product-card-bottom { display: flex; align-items: end; justify-content: space-between; gap: 12px; margin-top: auto; }
.gb-product-card-bottom strong { color: #1f78d1; font-size: 19px; white-space: nowrap; }
.gb-product-card-bottom span { color: #687c92; font-size: 10px; font-weight: 800; }

.gb-cart-dialog {
  width: min(680px, calc(100% - 28px));
  max-height: min(860px, calc(100dvh - 28px));
  margin: auto;
  padding: 0;
  overflow: auto;
  border: 0;
  border-radius: 22px;
  color: #15263c;
  background: #fff;
  box-shadow: 0 32px 90px rgba(8, 25, 45, .34);
}
.gb-cart-dialog::backdrop { background: rgba(8, 25, 45, .66); backdrop-filter: blur(3px); }
.gb-cart-open { width: 100%; margin-top: 10px; padding: 13px 18px; border: 1px solid rgba(157, 229, 213, .62); border-radius: 13px; color: #9de5d5; background: rgba(11, 35, 59, .44); font: inherit; font-weight: 850; cursor: pointer; }
.gb-cart-form { padding: 24px; }
.gb-cart-head { display: flex; align-items: start; justify-content: space-between; gap: 18px; }
.gb-cart-head h2 { margin: 5px 0 0; font-size: 24px; letter-spacing: -.035em; }
.gb-cart-close { width: 39px; height: 39px; flex: 0 0 auto; border: 0; border-radius: 12px; color: #40566f; background: #edf3f8; font-size: 25px; cursor: pointer; }
.gb-cart-product { display: grid; grid-template-columns: minmax(0, 1fr) 90px auto; gap: 14px; align-items: end; margin-top: 20px; padding: 16px; border-radius: 15px; background: #eff7ff; }
.gb-cart-product div { display: grid; gap: 5px; min-width: 0; }
.gb-cart-product strong { overflow-wrap: anywhere; }
.gb-cart-product span { color: #60758d; font-size: 12px; }
.gb-cart-product label, .gb-cart-fields label { display: grid; gap: 6px; color: #50647b; font-size: 10px; font-weight: 850; }
.gb-cart-product input, .gb-cart-fields input { width: 100%; min-height: 44px; padding: 10px 12px; border: 1px solid #cbd9e6; border-radius: 10px; color: #15263c; background: #fff; font: inherit; font-size: 13px; }
.gb-cart-product > b { padding-bottom: 12px; color: #126fc9; font-size: 19px; white-space: nowrap; }
.gb-cart-warning { margin: 15px 0 0; padding: 13px 14px; border-radius: 12px; color: #31506f; background: #fff3d5; font-size: 12px; line-height: 1.5; }
.gb-added-choice { margin-top: 20px; padding: 22px; border-radius: 16px; color: #164a3f; background: #e7faf4; }
.gb-added-choice > strong { display: block; font-size: 20px; }
.gb-added-choice > p { margin: 8px 0 0; color: #41685f; line-height: 1.5; }
.gb-cart-items { display: grid; gap: 10px; margin-top: 20px; }
.gb-cart-item { display: grid; grid-template-columns: minmax(0, 1fr) 74px auto auto; gap: 12px; align-items: end; padding: 14px; border-radius: 14px; background: #eff7ff; }
.gb-cart-item-copy { display: grid; gap: 4px; min-width: 0; }
.gb-cart-item-copy strong { overflow-wrap: anywhere; }
.gb-cart-item-copy span { color: #60758d; font-size: 12px; }
.gb-cart-item label { display: grid; gap: 5px; color: #50647b; font-size: 10px; font-weight: 850; }
.gb-cart-item input { width: 100%; min-height: 42px; padding: 9px; border: 1px solid #cbd9e6; border-radius: 9px; font: inherit; }
.gb-cart-item > b { padding-bottom: 11px; color: #126fc9; white-space: nowrap; }
.gb-cart-remove { margin-bottom: 8px; padding: 5px; border: 0; color: #a13d3d; background: transparent; font-size: 11px; font-weight: 800; cursor: pointer; }
.gb-cart-summary { display: grid; gap: 8px; margin-top: 14px; padding: 15px; border: 1px solid #dce6ef; border-radius: 14px; }
.gb-cart-summary > div { display: flex; justify-content: space-between; gap: 14px; color: #52677d; font-size: 12px; }
.gb-cart-summary .total { padding-top: 9px; border-top: 1px solid #dce6ef; color: #15263c; font-size: 15px; }
.gb-cart-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; margin-top: 18px; }
.gb-cart-fields .full { grid-column: 1 / -1; }
.gb-billing-same { display: flex; align-items: center; gap: 10px; margin-top: 17px; color: #223b57; font-size: 13px; font-weight: 800; cursor: pointer; }
.gb-billing-same input { width: 19px; height: 19px; accent-color: #1678d3; }
.gb-billing-fields { margin: 15px 0 0; padding: 0; border: 0; }
.gb-billing-fields[hidden] { display: none; }
.gb-billing-fields legend { color: #223b57; font-size: 13px; font-weight: 850; }
.gb-billing-fields .gb-cart-fields { margin-top: 10px; padding: 14px; border-radius: 13px; background: #f6f9fc; }
.gb-cart-note { margin: 17px 0 0; padding: 13px 14px; border-radius: 12px; color: #31506f; background: #f0f7fd; font-size: 11px; line-height: 1.5; }
.gb-cart-error { margin: 14px 0 0; padding: 14px; border: 1px solid #efaaaa; border-radius: 12px; color: #7e2020; background: #fff0f0; font-size: 12px; font-weight: 750; line-height: 1.5; }
.gb-cart-error[hidden] { display: none; }
.gb-cart-error:focus { outline: 3px solid rgba(196, 54, 54, .2); outline-offset: 2px; }
.gb-cart-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
.gb-cart-actions button { min-width: 145px; }
.gb-cart-actions button:disabled { cursor: wait; opacity: .66; }

.gb-share-box.urgent {
  border-color: rgba(157, 229, 213, .88);
  background: linear-gradient(135deg, rgba(20, 111, 94, .52), rgba(20, 49, 79, .92));
  box-shadow: 0 0 0 4px rgba(157, 229, 213, .1), 0 16px 34px rgba(5, 24, 43, .18);
}
.gb-share-box.urgent .gb-share-icon {
  color: #0c5848;
  background: #b4f3df;
}
.gb-share-box.urgent #shareTitle { color: #fff; }
.gb-share-box.urgent #shareCopy { color: #d8eee8; }
.gb-share-box.urgent .gb-share-button.primary {
  color: #0b4f42;
  background: #b4f3df;
}

@media (max-width: 980px) {
  .gb-detail-grid { grid-template-columns: minmax(0, 1fr); }
  .gb-detail-product, .gb-deal-panel { width: 100%; min-width: 0; max-width: 100%; }
}

@media (max-width: 720px) {
  .gb-detail-intro { padding: 20px 14px 2px; }
  .gb-detail-intro .gb-detail-title { font-size: 26px; }
  .gb-detail-product { padding: 16px 0 22px 14px; overflow: hidden; }
  .gb-product-picker {
    display: flex;
    width: 100%;
    max-width: 100%;
    gap: 12px;
    margin: 0;
    padding: 3px 28px 16px 0;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x proximity;
    overscroll-behavior-inline: contain;
    scrollbar-width: none;
    touch-action: pan-x pan-y pinch-zoom;
    -webkit-overflow-scrolling: touch;
  }
  .gb-product-picker::-webkit-scrollbar { display: none; }
  .gb-product-card {
    flex: 0 0 calc(100% - 32px);
    width: calc(100% - 32px);
    min-width: 0;
    scroll-snap-align: start;
    touch-action: pan-x pan-y pinch-zoom;
  }
  .gb-product-card:hover { transform: none; }
  .gb-product-card-art { height: 225px; padding: 13px; pointer-events: none; user-select: none; -webkit-user-drag: none; }
  .gb-product-card-art img { pointer-events: none; user-select: none; -webkit-user-drag: none; }
  .gb-product-card-body { padding: 16px; }
  .gb-product-card-body h3 { font-size: 17px; }
  .gb-product-picker-hint { display: block; margin: 0 28px 0 0; color: #60758d; font-size: 11px; font-weight: 750; line-height: 1.45; }
  .gb-deal-panel { width: 100%; max-width: 100%; padding: 20px 14px; overflow: hidden; }
  .gb-deal-panel * { min-width: 0; }
  .gb-outcome, .gb-share-box, .gb-counter, .gb-time-cell { overflow: hidden; }
  .gb-outcome strong, .gb-outcome p, .gb-share-message p, .gb-selected-product { overflow-wrap: anywhere; }
  .gb-cart-dialog { width: calc(100% - 18px); max-height: calc(100dvh - 18px); border-radius: 18px; }
  .gb-cart-form { padding: 18px 14px; }
  .gb-cart-head h2 { font-size: 21px; }
  .gb-cart-product { grid-template-columns: minmax(0, 1fr) 80px; }
  .gb-cart-product > b { grid-column: 1 / -1; padding: 0; }
  .gb-cart-item { grid-template-columns: minmax(0, 1fr) 74px; }
  .gb-cart-item > b { grid-column: 1; padding: 0; }
  .gb-cart-remove { grid-column: 2; margin: 0; text-align: right; }
  .gb-cart-fields { grid-template-columns: 1fr; }
  .gb-cart-fields .full { grid-column: auto; }
  .gb-cart-actions { display: grid; grid-template-columns: 1fr 1.25fr; }
  .gb-cart-actions button { min-width: 0; }
}