#split-pdf-interface {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.modal-body{
  margin-top: -10px;
}

.split-pdf-input-preview-grid.active,
.image-input-preview-grid.active {
    display: flex;
    flex-wrap: wrap;
    /* justify-content: space-evenly; */
    justify-content: center;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
    /* margin-top: 15px; */
    height: 435px;
    width: 60%;
    overflow-y: auto;
    padding: 10px;
    border: 10px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--background-light);
    display: none;
    box-shadow: 0 3px 6px 0 rgba(0, 0, 0, .14);
    /* Hidden by default */
}
.split-pdf-input-preview-item,
.image-input-preview-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--background-white);
  border: 1px solid #ddd;
  border-radius: 5px;
  padding: 10px;
  box-shadow: 0 2px 5px rgba(84, 60, 60, 0.05);
  position: relative;
  transition:
    transform 0.2s ease-out,
    box-shadow 0.2s ease-out;
  min-height: 250px;
  justify-content: space-between;
}
#split-pdf-input-preview-grid {
  display: flex;
  gap: 10px;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  justify-content: center;
  align-items: center;
}
/* .split-pdf-input-preview-item,
.image-input-preview-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--background-white);
  border: 1px solid #ddd;
  border-radius: 5px;
  padding: 10px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
  position: relative;
  transition:
    transform 0.2s ease-out,
    box-shadow 0.2s ease-out;
  height: 300px;
  width: 200px;
  justify-content: space-between;
} */

.image-wrapper canvas,
.image-wrapper img,
.pdf-page-wrapper canvas {
  width: 180px;
  height: 200px;
  object-fit: contain;
  transform-origin: center center;
  transition: transform 0.2s ease-out;
  border: 1px solid #eee;
}

.split-pdf-input-preview-item .action-buttons-container,
.image-input-preview-item .action-buttons-container,
.pdf-output-item .action-buttons-container {
  display: flex;
  gap: 5px;
  justify-content: center;
  width: 100%;
  flex-wrap: wrap;
}

.split-pdf-input-preview-item p {
  font-size: 0.65rem;
  /* margin: 5px; */
  text-align: center;
}

.remove-pdf-btn {
  color: white;
  padding: 5px 15px;
  background-color: #ef4444;
  border: none;
  border-radius: 4px;
}

.rotate-pdf-btn {
  color: white;
  padding: 5px 15px;
  background-color: #007bff;
  border: none;
  border-radius: 4px;
}

/* @media (max-width: 768px){
    .split-pdf-input-preview-grid.active{
        max-height: 400px;
    }
} */
#add-more-split-pdf-btn {
  display: flex;
  justify-content: center;
  background-color: #10b981;
  margin: 10px 0;
  gap: 10px;
}

.title-header h2{
  margin-top: 10px;
}

#clear-all-split-pdf-btn {
  display: flex;
  justify-content: center;
  background-color: rgb(239, 68, 68);
  margin: 10px 0;
  gap: 10px;
}

.options-section {
  padding: 15px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-top: 15px;
  background-color: var(--background-white);
}

#split-pdfs-btn {
  display: flex;
  justify-content: center;
  background-color: rgb(239, 68, 68);
  margin: 10px 0;
  gap: 10px;
}

#custom-ranges-input {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 0.9rem;
  margin-top: 10px;
  min-height: 60px;
  resize: vertical;
}

/* Loading Overlay
.loader-container {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.95);
  z-index: 1001;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  border-radius: 16px;
  backdrop-filter: blur(4px);
}

.loader-container.active {
  display: flex;
}

.loader {
  border: 4px solid #f3f4f6;
  border-top: 4px solid var(--primary-red);
  border-radius: 50%;
  width: 60px;
  height: 60px;
  animation: spin 1s linear infinite;
}

.loader-text {
  margin-top: 20px;
  font-weight: 600;
  color: var(--text-dark);
  font-size: 1.1rem;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
} */


#output-area-common.active {
  display: block;
}

#output-area-common h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: #065f46;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
}

#output-area-common h3::before {
  content: "";
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  border-radius: 6px;
  margin-right: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.split-pdf-output-preview-grid.active,
.split-pdf-input-preview-grid.active {
  display: flex;
}

.split-pdf-output-item,
.split-pdf-input-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--background-white);
  border: 1px solid #ddd;
  border-radius: 5px;
  padding: 10px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
  position: relative;
  transition:
    transform 0.2s ease-out,
    box-shadow 0.2s ease-out;
  min-height: 250px;
  justify-content: space-between;
}

.split-pdf-output-item .pdf-page-wrapper {
  position: relative;
  width: 100%;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
  overflow: hidden;
}

.image-wrapper canvas,
.image-wrapper img,
.pdf-page-wrapper canvas {
  max-width: 100%;
  height: 200px;
  object-fit: contain;
  transform-origin: center center;
  transition: transform 0.2s ease-out;
}

.split-pdf-input-preview-item p,
.image-input-preview-item p {
  font-size: 0.65rem;
  color: var(--text-dark);
  text-align: center;
  margin-bottom: 10px;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#download-final-output-btn {
      display: flex;
      align-items: center;
      background-color: #0cab77;
      color: white;
      padding: 24px 48px;
      font-weight: 600;
      font-size: 24px;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      box-shadow: 0 3px 6px 0 rgba(0, 0, 0, .14);
      transition: background 0.3s ease;
      text-decoration: none; /* for <a> */
      font-family: Arial, Helvetica, sans-serif;
      gap: 15px;
}
#download-final-output-btn:hover{
  background-color: #158f67f6;
}

#back-to-tool-upload-btn {
  display: flex;
  background-color: #454b51;
  margin-top: 30px;
  font-size: 1rem;
}

.pdf-output-item {
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  align-items: stretch;
  background-color: var(--background-white);
  border: 1px solid #ddd;
  border-radius: 8px;
}

/* @media only screen and (max-width: 768px) {
  .split-pdf-input-preview-grid.active{
    height: 300px;
  }
} */
@media (max-width: 780px) {
  .split-pdf-input-preview-grid {
    height: 400px;
  }


}

/* Main container */
#split-pdf-interface {
  display: flex;
  flex-direction: column;
  height: 100%;
}


/* Preview Items */
.split-pdf-input-preview-item,
.image-input-preview-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  background-color: var(--background-white);
  border: 1px solid #ddd;
  border-radius: 5px;
  padding: 10px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
  position: relative;
  height: 310px;
  width: 200px;
  min-height: 250px;
  transition: transform 0.2s ease-out, box-shadow 0.2s ease-out;
}

/* Item image/canvas styling */
.image-wrapper canvas,
.image-wrapper img,
.pdf-page-wrapper canvas {
  width: 180px;
  height: 200px;
  object-fit: contain;
  border: 1px solid #eee;
  transform-origin: center center;
  transition: transform 0.2s ease-out;
}

/* Action buttons row */
.action-buttons-container {
  display: flex;
  gap: 5px;
  justify-content: center;
  width: 100%;
  flex-wrap: wrap;
}

/* Item description */
.split-pdf-input-preview-item p,
.image-input-preview-item p {
  font-size: 0.65rem;
  text-align: center;
  color: var(--text-dark);
  margin-bottom: 5px;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Buttons */
.remove-pdf-btn,
.rotate-pdf-btn {
  color: white;
  padding: 5px 15px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.remove-pdf-btn {
  background-color: #ef4444;
}

.rotate-pdf-btn {
  background-color: #007bff;
}

/* Add/clear buttons */
#add-more-split-pdf-btn,
#clear-all-split-pdf-btn,
#split-pdfs-btn {
  display: flex;
  justify-content: center;
  margin: 10px 0;
  gap: 10px;
}

#add-more-split-pdf-btn {
  background-color: #10b981;
}

#clear-all-split-pdf-btn,
#split-pdfs-btn {
  background-color: rgb(239, 68, 68);
      justify-content: center;
    align-items: center;
    margin-top: 20px;
    width: 330px;
}

.process-btn {
    /* width: 100%; */
    align-items: center;
    color: white;
    gap: 10px;
    padding: 16px;
    border: none;
    border-radius: 12px;
    font-size: 1.3rem;
    font-weight: 600;
    cursor: pointer;
    /* margin-top: 24px; */
    transition: all 0.3s ease;
    /* box-shadow: 0 4px 12px rgba(229, 50, 45, 0.3); */
}
.process-btn:hover{
  box-shadow: 0 8px 20px rgba(46, 37, 37, 0.4);
}
/* Range input */
#custom-ranges-input {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 0.9rem;
  margin-top: 10px;
  min-height: 60px;
  resize: vertical;
}

/* Options panel */
.options-section {
  padding: 15px;
  border: 2px solid var(--primary-red);
  border-radius: 8px;
  margin-top: 15px;
  background-color: var(--background-white);
  width: 60%;
}

/* Output area */
#output-area-common {
    display: flex;
    flex-direction: column;
    align-items: center;
}

#output-area-common.active {
  display: block;
}

#output-area-common h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: #065f46;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
}

#output-area-common h3::before {
  content: "";
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  border-radius: 6px;
  margin-right: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}


/* Responsive design: horizontal scroll for mobile screens */


@media (max-width: 768px) {
    .split-pdf-input-preview-grid.active {
        width: 90%;
        height: 360px;
    }
    .options-section{
      width: 90%;
    }
}
@media screen and (max-width: 768px) {
    .title-header h2 {
        font-size: 1.5rem;
        margin-top: 10px;
    }
    .title-header #output-heading {
        font-size: 1.3rem;
    }
    .modal-body{
      margin-top: -20px;
    }
    #download-final-output-btn{
        font-size: 20px;
        padding: 18px 30px;
    }
}
@media (max-width: 480px) {
    .split-pdf-input-preview-grid.active {
        height: 360px;
        width: 270px;
    }

}
@media (max-width: 380px) {
    #clear-all-split-pdf-btn, #split-pdfs-btn {
    width: 230px;
  }

}

.split-options {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.radio-group-horizontal {
  display: flex;
  gap: 5px;
  flex-direction: column;
}