/* pdf-tools.css */
/* PDF 도구 스타일 */
.pdf-tools-container {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.tool-section {
  background: linear-gradient(145deg, #ffffff, #f8f9fa);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

.tool-section:hover {
  transform: translateY(-3px);
}

.tool-section h3 {
  color: #1864ab;
  font-size: 1.3em;
  margin-bottom: 1.2rem;
  padding-bottom: 0.8rem;
  border-bottom: 2px solid #e9ecef;
}

.section-description {
  background: #f8f9fa;
  padding: 1.2rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  border-left: 4px solid #228be6;
}

.section-description p {
  color: #495057;
  margin-bottom: 0.8rem;
  font-size: 0.95em;
}

.section-description ul {
  list-style: none;
  padding-left: 0;
}

.section-description li {
  color: #666;
  margin: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.section-description li:before {
  content: "•";
  color: #228be6;
  position: absolute;
  left: 0.5rem;
}

.input-group {
  margin: 1.5rem 0;
}

.tool-section .input-group .pdf-file-label {
  display: inline-block;
  padding: 10px 15px;
  background: #228be6;
  color: #fff;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
  text-align: center;
  width: 200px;
}

.tool-section .input-group .pdf-file-label:hover {
  background: #1c7ed6;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(34, 139, 230, 0.2);
}

input[type="file"] {
  display: none;
}

.options-group {
  display: flex;
  gap: 1rem;
  margin: 1.5rem 0;
}

.options-group select {
  flex: 1;
  padding: 0.8rem;
  border: 1px solid #dee2e6;
  border-radius: 8px;
  background-color: white;
  color: #495057;
  font-size: 0.95em;
  transition: all 0.2s ease;
  cursor: pointer;
}

.options-group select:hover {
  border-color: #4c6ef5;
}

.options-group select:focus {
  outline: none;
  border-color: #4c6ef5;
  box-shadow: 0 0 0 3px rgba(76, 110, 245, 0.1);
}

.sortable-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1.2rem;
  margin: 1.5rem 0;
}

.image-item {
  position: relative;
  background: white;
  padding: 0.8rem;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  cursor: move;
  transition: all 0.2s ease;
}

.image-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.image-item.dragging {
  opacity: 0.6;
  transform: scale(1.05);
}

.image-item img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  margin-bottom: 0.5rem;
}

.image-item span {
  display: block;
  font-size: 0.9em;
  color: #495057;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 0.3rem 0;
}

.remove-btn {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #fa5252;
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2em;
  box-shadow: 0 2px 6px rgba(250, 82, 82, 0.3);
  transition: all 0.2s ease;
}

.remove-btn:hover {
  background: #e03131;
  transform: scale(1.1);
}

.pdf-page-container {
  background: white;
  padding: 1.2rem;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  margin-bottom: 1.5rem;
}

.pdf-page-container canvas {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  margin-bottom: 1rem;
}

.download-btn {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  background: #40c057;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.3s ease;
}

.download-btn:hover {
  background: #37b24d;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(64, 192, 87, 0.2);
}

.btn {
  padding: 0.8rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-primary {
  background: #228be6 !important;
  color: white;
}

.btn-primary:hover {
  background: #1c7ed6 !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(34, 139, 230, 0.2);
}

@media (max-width: 768px) {
  .options-group {
    flex-direction: column;
  }
  
  .sortable-list {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }
  
  .tool-section {
    padding: 1.5rem;
  }
}