* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--tg-theme-bg-color, #17212b);
  color: var(--tg-theme-text-color, #fff);
  padding-bottom: 32px;
}

/* иконки — белые webp; красим в цвет темы через mask */
.ei {
  display: inline-block;
  width: 16px;
  height: 16px;
  vertical-align: -2px;
  background-color: currentColor;
  -webkit-mask: var(--icon) center / contain no-repeat;
  mask: var(--icon) center / contain no-repeat;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  position: sticky;
  top: 0;
  background: var(--tg-theme-bg-color, #17212b);
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 17px;
  font-weight: 600;
}

.brand .ei { width: 22px; height: 22px; }

#ton-connect-btn button { border-radius: 10px !important; }

#catalog {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  padding: 0 16px;
}

.card {
  border: 1px solid color-mix(in srgb, var(--tg-theme-hint-color, #708499) 22%, transparent);
  border-radius: 14px;
  overflow: hidden;
  background: transparent;
}

.card img.preview {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
}

.card .body {
  padding: 10px 12px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card .title {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.1px;
}

.card .desc {
  font-size: 12px;
  line-height: 1.35;
  color: var(--tg-theme-hint-color, #708499);
}

.buy {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid color-mix(in srgb, var(--tg-theme-hint-color, #708499) 30%, transparent);
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 13px;
  font-weight: 600;
  background: transparent;
  color: var(--tg-theme-text-color, #fff);
  cursor: pointer;
  width: 100%;
}

.buy:active { background: color-mix(in srgb, var(--tg-theme-hint-color, #708499) 12%, transparent); }
.buy:disabled { opacity: .45; }

.empty {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--tg-theme-hint-color, #708499);
  padding: 80px 0;
  font-size: 14px;
}

.empty .ei { width: 44px; height: 44px; opacity: .7; }