#stair-calculator {
  background: #ffffff;
  border-radius: 10px;
  font-family: inherit;
  width: 100% !important;
  max-width: 100% !important;
  padding-left: 0 !important;
  padding-right: 0 !important;
  margin: 10px !important;
  margin-left: 0px !important;
  box-sizing: border-box;
}

#stair-calculator h3 {
  font-size: 24px;
  margin-bottom: 15px;
}

#stair-calculator input,
#stair-calculator select,
#stair-calculator button {
  width: 100%;
  max-width: 100%;
  padding: 10px;
  margin: 6px 0;
  box-sizing: border-box;
  font-size: 16px;
}

#stair-calculator table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}

#stair-calculator table th,
#stair-calculator table td {
  padding: 10px;
  border: 1px solid #ddd;
  text-align: center;
}

#stair-calculator table tr:nth-child(even) {
  background-color: #f2f2f2;
}

#calculatedPrice {
  font-size: 18px;
  font-weight: bold;
  margin-top: 10px;
}

#addToCartBtn {
  background-color: #ff9900;
  color: #fff;
  border: none;
  cursor: pointer;
  transition: background 0.3s ease;
}

#addToCartBtn:hover {
  background-color: #e68a00;
}

/* Orange Theme Button (Avada-style) */
.demak-orange-btn {
  background-color: #f99b1c;
  color: white;
  border: none;
  padding: 10px 16px;
  font-size: 14px;
  cursor: pointer;
  border-radius: 4px;
  transition: background 0.3s ease;
}

.demak-orange-btn:hover {
  background-color: #e68a00;
}

/* Responsive Fixes */
@media (max-width: 767px) {
  #stair-calculator {
    padding: 0px;
    font-size: 16px;
  }

  #stair-calculator table {
    font-size: 14px;
  }

  #stair-calculator input,
  #stair-calculator select,
  #stair-calculator button {
    width: 100%;
    font-size: 16px;
  }

  .demak-orange-btn {
    width: 100%;
    text-align: center;
  }
}