/* Back To Top */
.sovy-back-to-top {
  position: fixed;
  padding: 0 !important;
  border: none !important;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 24px;
  background: var(--btt-bg, var(--sovy-primary));
  color: var(--btt-color, var(--sovy-light));
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(18px);
  transition: all 0.6s ease-in-out;
  z-index: 999;
}

.sovy-back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: all 0.6s ease-in-out;
}

.sovy-back-to-top:hover {
  background: var(--btt-hover-bg, var(--sovy-secondary));
  color: var(--btt-hover-color, var(--sovy-light));
}

.sovy-back-to-top .btt-icon {
  width: auto;
  height: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Caret/Chevron Up icon using SVG */
.sovy-back-to-top .btt-icon svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

/* Position */
.btt-pos-right {
  right: 30px;
  left: auto;
}

.btt-pos-left {
  left: 30px;
  right: auto;
}

/* Offset utility (applies via inline CSS variable if needed) */
.sovy-back-to-top {
  --btt-offset: 30px;
}

.btt-pos-right {
  right: var(--btt-offset);
}

.btt-pos-left {
  left: var(--btt-offset);
}

.sovy-back-to-top {
  bottom: var(--btt-offset);
}

/* Shape */
.btt-shape-circle {
  border-radius: 999px;
}

.btt-shape-square {
  border-radius: 8px;
}

/* Size */
.btt-size-small {
  width: 40px;
  height: 40px;
}

.btt-size-medium {
  width: 48px;
  height: 48px;
}

.btt-size-large {
  width: 56px;
  height: 56px;
}

.btt-shadow {
  box-shadow: 0 8px 24px var(--sovy-shadow);
}

.btt-no-shadow {
  box-shadow: none;
}

/* Mobile visibility */
@media (max-width: 768px) {
  .btt-hide-mobile {
    display: none !important;
  }
}

/* Palette mapping using theme variables */
.btt-bg-primary {
  --btt-bg: var(--sovy-primary);
}

.btt-bg-secondary {
  --btt-bg: var(--sovy-secondary);
}

.btt-bg-tertiary {
  --btt-bg: var(--sovy-tertiary);
}

.btt-bg-dark {
  --btt-bg: var(--sovy-dark);
}

.btt-bg-light {
  --btt-bg: var(--sovy-light);
}

.btt-icon-primary {
  --btt-color: var(--sovy-primary);
}

.btt-icon-secondary {
  --btt-color: var(--sovy-secondary);
}

.btt-icon-tertiary {
  --btt-color: var(--sovy-tertiary);
}

.btt-icon-dark {
  --btt-color: var(--sovy-dark);
}

.btt-icon-light {
  --btt-color: var(--sovy-light);
}

.btt-hover-bg-primary {
  --btt-hover-bg: var(--sovy-primary);
}

.btt-hover-bg-secondary {
  --btt-hover-bg: var(--sovy-secondary);
}

.btt-hover-bg-tertiary {
  --btt-hover-bg: var(--sovy-tertiary);
}

.btt-hover-bg-dark {
  --btt-hover-bg: var(--sovy-dark);
}

.btt-hover-bg-light {
  --btt-hover-bg: var(--sovy-light);
}

.btt-hover-icon-primary {
  --btt-hover-color: var(--sovy-primary);
}

.btt-hover-icon-secondary {
  --btt-hover-color: var(--sovy-secondary);
}

.btt-hover-icon-tertiary {
  --btt-hover-color: var(--sovy-tertiary);
}

.btt-hover-icon-dark {
  --btt-hover-color: var(--sovy-dark);
}

.btt-hover-icon-light {
  --btt-hover-color: var(--sovy-light);
}