#loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}
.spinner {
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top: 4px solid #fff;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  0% {
    transform: rotate(0);
  }
  100% {
    transform: rotate(360deg);
  }
}
#urun-varyant-tablosu {
  width: 100%;
  margin: 20px 0;
}
#urun-varyant-tablosu .table-container {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-x;
  position: relative;
  margin-bottom: 20px;
}
#urun-varyant-tablosu table {
  border-collapse: separate;
  border-spacing: 0;
  width: auto;
  min-width: 100%;
  table-layout: auto;
}
#urun-varyant-tablosu thead th {
  position: sticky;
  top: 0;
  z-index: 3;
  background: #f7f7f7; /* sticky olduğu için arka planın opak olması önemli */
  box-shadow: 0 1px 0 #ddd;
}
#urun-varyant-tablosu thead th:first-child {
  z-index: 5; /* köşe hücresi */
}
#urun-varyant-tablosu input[type="number"] {
  width: 60px;
  padding: 6px;
  border: 1px solid #ddd;
  border-radius: 4px;
  text-align: center;
  font-size: 13px;
  line-height: 1.5;
  background: #fff;
}
#urun-varyant-tablosu th,
#urun-varyant-tablosu td {
  border: 1px solid #ddd;
  padding: 6px;
  text-align: center;
  min-height: 40px;
  white-space: normal;
  word-wrap: break-word;
  overflow-wrap: break-word;
  text-overflow: ellipsis;
  overflow: hidden;
  box-sizing: border-box;
}
#urun-varyant-tablosu th:first-child,
#urun-varyant-tablosu td:first-child {
  position: sticky;
  left: 0;
  z-index: 2;
  background: #f2f2f2;
}
#urun-varyant-tablosu th {
  background: #f2f2f2;
  font-weight: 700;
}
#urun-varyant-tablosu td {
  background: #fff;
}

/* Kolon/başlık vurgusu */
#urun-varyant-tablosu thead th.col-active,
#urun-varyant-tablosu tbody td.col-active {
  background: #fff8e1 !important;
}
#urun-varyant-tablosu tbody tr:hover td {
  background: #fafafa;
}
#urun-varyant-tablosu tbody tr:hover td.col-active {
  background: #fffae9;
}
#toplu-sepete-ekle {
  display: block;
  width: 100%;
  padding: 12px;
  margin-top: 12px;
  background: #4caf50;
  color: #fff;
  border: 0;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.3s ease;
}
#toplu-sepete-ekle:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background: #ccc;
}
#toplu-sepete-ekle:hover {
  background: #45a049;
}
.accordion {
  margin-bottom: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
}
.accordion-header {
  background: #f5f5f5;
  padding: 10px;
  cursor: pointer;
  font-weight: 700;
  text-transform: capitalize;
}
.accordion-header:hover {
  background: #e5e5e5;
}
.accordion-header.active {
  background: #e0e0e0;
}
.accordion-content {
  display: none;
  padding: 10px;
}
.error-input {
  border: 2px solid #f00 !important;
  background: #fff0f0 !important;
}
.table-tools {
  margin: 8px 0;
}
.table-tools .button {
  margin-right: 6px;
}
.uvt-row-tools,
.uvt-col-tools {
  font-size: 12px;
  opacity: 0.7;
  margin-left: 6px;
  cursor: pointer;
}
.uvt-row-tools:hover,
.uvt-col-tools:hover {
  opacity: 1;
}

/* Hücre içinde kolon başlığı gösterimi (mobil ve masaüstü) */
#urun-varyant-tablosu td::before {
  content: attr(data-label);
  display: block;
  font-size: 12px;
  color: #666;
  margin-bottom: 4px;
}

/* Mobil için kayan kolon etiketi */
.uvt-floating-col-label {
  position: fixed;
  top: calc(env(safe-area-inset-top, 0px) + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(34, 34, 34, 0.95);
  color: #fff;
  padding: 6px 10px;
  border-radius: 14px;
  font-size: 12px;
  line-height: 1;
  z-index: 9990;
  display: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  pointer-events: none;
}
@media (min-width: 769px) {
  .uvt-floating-col-label {
    display: none !important;
  }
}
@media screen and (max-width: 768px) {
  #urun-varyant-tablosu .table-container {
    font-size: 14px;
    overflow-x: scroll;
    overflow-y: hidden;
    touch-action: pan-x pan-y;
  }
  #urun-varyant-tablosu input[type="number"] {
    width: 42px;
    font-size: 14px;
  }
  #urun-varyant-tablosu td {
    padding: 4px;
  }
  #urun-varyant-tablosu th,
  #urun-varyant-tablosu td {
    white-space: normal;
    word-wrap: break-word;
    overflow-wrap: break-word;
    max-width: 120px;
  }
}