/* ==== Buttons ==== */
.btn {
  padding: var(--space-sm) var(--space-lg);
  border-radius: 4px;
  transition: all 0.25s ease;
  font-size: var(--fs-base);
  font-weight: 500;
}

.btn-lg {
  font-size: var(--fs-md);
}

.btn-sm {
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--fs-small);
}

.btn-xs {
  padding: 0.2rem 0.5rem;
  font-size: 0.75rem;
}

/* Rounded buttons */
.btn-pill,
.rounded-pill {
  border-radius: 50px !important;
}

/* Button colors */
.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  --bs-btn-color: #fff;
  --bs-btn-bg: var(--primary-color);
  --bs-btn-border-color: transparent;
  --bs-btn-hover-color: #fff;
  --bs-btn-hover-bg: var(--primary-hover);
  --bs-btn-hover-border-color: transparent;
  --bs-btn-focus-shadow-rgb: 49, 132, 253;
  --bs-btn-active-color: #fff;
  --bs-btn-active-bg: var(--primary-color);
  --bs-btn-active-border-color: transparent;
  --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
  --bs-btn-disabled-color: #fff;
  --bs-btn-disabled-bg: #d3d7dd;
  --bs-btn-disabled-border-color: transparent;
  padding: 1.2rem 1rem;
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
}

.btn-outline-primary {
  color: var(--primary-color);
  border-color: var(--primary-color);
  transition: all 0.3s ease-in;
  padding: 1.2rem 1rem;
  letter-spacing: 0.01375rem;
  --bs-btn-color: var(--primary-color);
  --bs-btn-border-color: var(--primary-color);
  --bs-btn-hover-color: #fff;
  --bs-btn-hover-bg: var(--primary-color);
  --bs-btn-hover-border-color: var(--primary-color);
  --bs-btn-focus-shadow-rgb: 13, 110, 253;
  --bs-btn-active-color: #fff;
  --bs-btn-active-bg: var(--primary-color);
  --bs-btn-active-border-color: var(--primary-color);
  --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
  --bs-btn-disabled-color: var(--primary-color);
  --bs-btn-disabled-bg: transparent;
  --bs-btn-disabled-border-color: var(--primary-color);
  --bs-gradient: none;
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-dark {
  padding: 1.2rem 3rem;
  font-size: 1.1875rem;
  text-transform: uppercase;
  --bs-btn-color: #fff;
  --bs-btn-bg: var(--dark-color);
  --bs-btn-border-color: var(--dark-color);
  --bs-btn-hover-color: #fff;
  --bs-btn-hover-bg: var(--light-dark-color);
  --bs-btn-hover-border-color: var(--light-dark-color);
  --bs-btn-focus-shadow-rgb: 66, 70, 73;
  --bs-btn-active-color: #fff;
  --bs-btn-active-bg: var(--dark-color);
  --bs-btn-active-border-color: var(--dark-color);
  --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
  --bs-btn-disabled-color: #fff;
  --bs-btn-disabled-bg: var(--dark-color);
  --bs-btn-disabled-border-color: var(--dark-color);
}

.btn-outline-dark {
  transition: all 0.3s ease-in;
  padding: 1.2rem 3rem;
  letter-spacing: 0.02375rem;
  text-transform: uppercase;
  --bs-btn-color: var(--dark-color);
  --bs-btn-border-color: var(--dark-color);
  --bs-btn-hover-color: #fff;
  --bs-btn-hover-bg: var(--dark-color);
  --bs-btn-hover-border-color: var(--dark-color);
  --bs-btn-focus-shadow-rgb: 33, 37, 41;
  --bs-btn-active-color: #fff;
  --bs-btn-active-bg: var(--dark-color);
  --bs-btn-active-border-color: var(--dark-color);
  --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
  --bs-btn-disabled-color: var(--dark-color);
  --bs-btn-disabled-bg: transparent;
  --bs-btn-disabled-border-color: var(--dark-color);
  --bs-gradient: none;
}

/* Product action buttons */
.btn-cart,
.btn-wishlist,
.btn-quickview {
  width: 45px;
  height: 45px;
  padding: 0 !important;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 3px;
  border-radius: 50%;
  background: white;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* Enhanced hover effects */
.btn-cart:hover,
.btn-wishlist:hover,
.btn-quickview:hover {
  transform: translateY(-3px) scale(1.1);
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

/* Primary Add to Cart Button (for product detail page) */
.add-to-cart-main {
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-size: 1.05rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
}

.add-to-cart-main i {
  transition: transform 0.3s ease;
}

.add-to-cart-main:hover i {
  transform: translateX(3px);
}

/* Standard Add to Cart Button (for cards) */
.add-to-cart-btn {
  border-radius: 5px;
  transition: all 0.3s ease;
  font-weight: 500;
}

.add-to-cart-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* Disabled state */
.add-to-cart-btn.disabled,
.add-to-cart-btn:disabled,
.add-to-cart-main.disabled,
.add-to-cart-main:disabled {
  background-color: #e0e0e0;
  border-color: #d0d0d0;
  color: #888;
  cursor: not-allowed;
  opacity: 0.7;
}

/* Back to top button */
#back-to-top {
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  position: fixed;
  bottom: -60px; /* Start offscreen */
  right: 20px;
  z-index: 999;
  opacity: 0;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

#back-to-top.show {
  bottom: 20px;
  opacity: 1;
}

#back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
  background: var(--primary-hover);
}

/* Pulse animation for the back to top button */
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(74, 124, 89, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(74, 124, 89, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(74, 124, 89, 0);
  }
}

#back-to-top.pulse {
  animation: pulse 2s infinite;
}

/* Responsive button adjustments */
@media screen and (max-width: 991px) {
  .btn-primary,
  .btn-outline-primary,
  .btn-outline-dark,
  .btn-dark {
    padding: 0.6rem 1.5rem !important;
    font-size: 0.95rem !important;
    border-radius: 2rem !important;
    transition: all 0.3s ease;
  }

  /* Smaller cart and wishlist buttons */
  .btn-cart,
  .btn-wishlist,
  .btn-add-cart {
    padding: 0.5rem 1.2rem !important;
    font-size: 0.9rem !important;
    border-radius: 1.5rem !important;
  }

  .btn-wishlist {
    width: 42px;
    height: 42px;
    padding: 0 !important;
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

@media (max-width: 767px) {
  .btn-cart,
  .btn-wishlist,
  .btn-quickview {
    width: 40px;  /* Tăng từ 35px */
    height: 40px; /* Tăng từ 35px */
    font-size: 1rem;
  }
  
  .product-actions {
    padding: 8px; /* Tăng từ 6px */
    gap: 8px;     /* Tăng từ 5px */
  }
}