.paper-calculator-container {
  max-width: 600px;
  margin: 20px auto;
}

.paper-calculator-container h3 {
  text-align: center;
  color: #333;
  margin-bottom: 20px;
}

.calc-section {
  margin-bottom: 20px;
  padding: 15px;
  background-color: white;
  border-radius: 5px;
  border: 1px solid #e0e0e0;
}

.calc-section h4 {
  margin-top: 0;
  color: #cd9933;
  border-bottom: none;
  padding-bottom: 5px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.size-options {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-bottom: 10px;
}

.size-options label {
  text-transform: uppercase !important;
  letter-spacing: 1px;
  background-color: #000000;
  color: #ffffff !important;
  font-size: 13px !important;
  text-align: center;
  font-weight: 800 !important;
  margin: -5px;
  transition: 0.4s;
  border-radius: 5px;
  padding: 10px;
  cursor: pointer;
}

.size-options label:hover {
  background-color: #cd9933;
  color: #000;
}

.size-options input[type="radio"]:checked + span,
.size-options label:has(input[type="radio"]:checked) {
  background-color: #cd9933 !important;
  color: #000 !important;
  border-color: #cd9933;
}

.size-options input[type="radio"] {
  display: none;
}

#custom-size-fields {
  margin-top: 10px;
  padding: 10px;
  background-color: #f5f5f5;
  border-radius: 4px;
}

#custom-size-fields label {
  display: block;
  margin-bottom: 10px;
}

.calc-section label {
  display: block;
  margin-bottom: 10px;
  font-weight: bold;
}

.calc-section input,
.calc-section select {
  width: 100%;
  padding: 12px !important;
  border: 1px solid #ddd !important;
  border-radius: 4px;
  font-size: 14px;
}

/* Artwork Upload Styles */
.artwork-upload-section {
  border: 2px dashed #cd9933;
  border-radius: 8px;
  padding: 20px;
  text-align: center;
  background-color: #fafafa;
  transition: all 0.3s ease;
}

.artwork-upload-section:hover {
  border-color: #000;
  background-color: #f5f5f5;
}

.artwork-upload-section.dragover {
  border-color: #000;
  background-color: #f0f0f0;
  transform: scale(1.02);
}

.upload-icon {
  font-size: 48px;
  color: #cd9933;
  margin-bottom: 15px;
}

.upload-text {
  font-size: 16px;
  color: #333;
  margin-bottom: 10px;
  font-weight: bold;
}

.upload-subtext {
  font-size: 12px;
  color: #666;
  margin-bottom: 15px;
}

.file-input-wrapper {
  position: relative;
  overflow: hidden;
  display: inline-block;
}

.file-input-wrapper input[type="file"] {
  position: absolute;
  left: -9999px;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.file-upload-btn {
  display: inline-block;
  padding: 12px 24px;
  background-color: #cd9933;
  color: #000;
  border: none;
  border-radius: 5px;
  font-size: 14px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
}

.file-upload-btn:hover {
  background-color: #000;
  color: #fff;
}

.uploaded-file-info {
  margin-top: 15px;
  padding: 10px;
  background-color: #e8f5e8;
  border: 1px solid #4caf50;
  border-radius: 4px;
  display: none;
}

.uploaded-file-name {
  font-weight: bold;
  color: #2e7d32;
  margin-bottom: 5px;
}

.uploaded-file-size {
  font-size: 12px;
  color: #666;
}

.remove-file-btn {
  background-color: #f44336;
  color: white;
  border: none;
  padding: 5px 10px;
  border-radius: 3px;
  font-size: 12px;
  cursor: pointer;
  margin-left: 10px;
}

.remove-file-btn:hover {
  background-color: #d32f2f;
}

.upload-error {
  margin-top: 10px;
  padding: 10px;
  background-color: #ffebee;
  border: 1px solid #f44336;
  border-radius: 4px;
  color: #c62828;
  font-size: 14px;
  display: none;
}

.calc-button {
  width: 100%;
  padding: 15px;
  background-color: #cd9933;
  color: #000;
  border: none;
  border-radius: 5px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s;
  margin-bottom: 10px;
}

.calc-button:hover {
  background-color: #000;
  color: #fff;
}

.calc-button:disabled {
  background-color: #ccc;
  cursor: not-allowed;
}

.calc-results {
  margin-top: 20px;
  padding: 20px;
  background-color: #cd9933;
  border-radius: 5px;
  display: block; /* Always show results section */
}

.calc-results h4 {
  margin-top: 0;
  color: #000000;
}

.result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid #c8e6c9;
}

.result-item:last-child {
  border-bottom: none;
}

#add-to-cart-btn {
  background-color: #000000 !important;
  color: #fff;
}

.result-label {
  font-weight: bold;
  color: #000000;
  font-size: 13px;
}

.result-value {
  font-size: 18px;
  font-weight: bold;
  color: #000000;
}

.calc-error {
  margin-top: 20px;
  padding: 15px;
  background-color: #ffebee;
  border: 2px solid #f44336;
  border-radius: 5px;
  color: #c62828;
  font-weight: bold;
}

.calc-success {
  margin-top: 20px;
  padding: 15px;
  border: 2px solid #cd9933;
  border-radius: 5px;
  color: #2e7d32;
  font-weight: bold;
}

.cart-section {
  border-top: 1px solid #c8e6c9;
  padding-top: 15px;
  margin-top: 15px;
}

/* Responsive design */
@media (max-width: 768px) {
  .paper-calculator-container {
    margin: 10px;
    padding: 15px;
  }

  .size-options {
    flex-direction: column;
  }

  .result-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
  }

  .artwork-upload-section {
    padding: 15px;
  }

  .upload-icon {
    font-size: 36px;
  }
}

/* Security: Hide source code from view-source */
.paper-calculator-container * {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.paper-calculator-container input,
.paper-calculator-container select,
.paper-calculator-container textarea {
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;
}