/* ==========================================================================
   360tools.me — PDF Tools Ecosystem: Tool Interfaces & Canvas Layouts
   ========================================================================== */

/* Main PDF Tool Container */
.pdf-tool-wrapper {
  background: #ffffff;
  border: 1px solid var(--fa-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 2rem;
  margin-bottom: 2.5rem;
  position: relative;
  overflow: hidden;
}

/* Upload Dropzone */
.pdf-dropzone {
  border: 2px dashed #cbd5e1;
  background-color: #fafbfc;
  border-radius: var(--radius-md);
  padding: 3rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.pdf-dropzone:hover,
.pdf-dropzone.dragover {
  border-color: var(--fa-blue);
  background-color: var(--fa-blue-light);
  transform: scale(1.005);
}

.pdf-dropzone-icon {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background-color: var(--fa-blue-light);
  color: var(--fa-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  transition: transform 0.2s ease;
}

.pdf-dropzone:hover .pdf-dropzone-icon {
  transform: scale(1.1);
}

.pdf-dropzone-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--fa-navy);
}

.pdf-dropzone-subtitle {
  font-size: 0.85rem;
  color: var(--fa-text-sub);
  font-weight: 500;
}

/* Selected File / Item Cards (Draggable / Reorderable) */
.pdf-file-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.pdf-file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.25rem;
  background: #ffffff;
  border: 1px solid var(--fa-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  transition: all 0.2s ease;
  user-select: none;
}

.pdf-file-item:hover {
  border-color: #cbd5e1;
  box-shadow: var(--shadow-sm);
}

.pdf-file-item.dragging {
  opacity: 0.4;
  border-style: dashed;
}

.pdf-file-item-left {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: 0;
}

.pdf-file-item-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-sm);
  background-color: var(--pdf-red-light);
  color: var(--pdf-red);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.pdf-file-item-meta {
  min-width: 0;
}

.pdf-file-item-name {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--fa-navy);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 320px;
}

.pdf-file-item-size {
  font-size: 0.75rem;
  color: var(--fa-text-muted);
  font-weight: 600;
}

.pdf-file-item-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.pdf-action-btn {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--fa-border);
  background: #ffffff;
  color: var(--fa-text-sub);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.pdf-action-btn:hover {
  border-color: var(--fa-blue);
  color: var(--fa-blue);
  background-color: var(--fa-bg-subtle);
}

.pdf-action-btn.delete:hover {
  border-color: var(--pdf-red);
  color: var(--pdf-red);
  background-color: var(--pdf-red-light);
}

/* Page Thumbnail Grid (for Split, Rotate, Extract, Delete pages) */
.pdf-pages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
  max-height: 520px;
  overflow-y: auto;
  padding: 0.5rem;
}

.pdf-page-card {
  position: relative;
  background: #ffffff;
  border: 2px solid var(--fa-border);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-xs);
}

.pdf-page-card:hover {
  transform: translateY(-2px);
  border-color: var(--fa-blue);
  box-shadow: var(--shadow-sm);
}

.pdf-page-card.selected {
  border-color: var(--fa-blue);
  background-color: var(--fa-blue-light);
}

.pdf-page-card.deleted {
  opacity: 0.35;
  border-color: var(--pdf-red);
  background-color: var(--pdf-red-light);
}

.pdf-page-card-canvas {
  width: 100%;
  height: auto;
  max-height: 180px;
  object-fit: contain;
  border-radius: var(--radius-xs);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.pdf-page-card-badge {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  background: rgba(15, 23, 42, 0.85);
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-xs);
}

.pdf-page-card-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
  width: 100%;
}

/* Tool Options Panel */
.pdf-options-panel {
  background: var(--fa-bg-subtle);
  border: 1px solid var(--fa-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}

.pdf-options-title {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--fa-navy);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pdf-options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.pdf-option-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.pdf-option-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--fa-text-sub);
}

.pdf-select,
.pdf-input {
  width: 100%;
  background: #ffffff;
  border: 1.5px solid var(--fa-border);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.85rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--fa-navy);
  outline: none;
  transition: border-color 0.2s ease;
}

.pdf-select:focus,
.pdf-input:focus {
  border-color: var(--fa-blue);
}

/* Processing Progress Bar */
.pdf-progress-container {
  margin: 1.5rem 0;
  text-align: center;
}

.pdf-progress-bar-bg {
  width: 100%;
  height: 10px;
  background: #e2e8f0;
  border-radius: var(--radius-pill);
  overflow: hidden;
  margin: 0.75rem 0;
}

.pdf-progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--fa-blue), #f59f00);
  border-radius: var(--radius-pill);
  transition: width 0.25s ease;
  width: 0%;
}

.pdf-progress-status {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--fa-text-sub);
}

/* Result / Download Screen */
.pdf-result-card {
  text-align: center;
  padding: 2.5rem 1.5rem;
  background: var(--fa-emerald-light);
  border: 2px solid #a7f3d0;
  border-radius: var(--radius-md);
  margin: 1.5rem 0;
}

.pdf-result-icon {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background: #059669;
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.pdf-result-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: #065f46;
  margin-bottom: 0.35rem;
}

.pdf-result-meta {
  font-size: 0.85rem;
  font-weight: 600;
  color: #047857;
  margin-bottom: 1.5rem;
}

.pdf-result-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Alert Boxes */
.pdf-alert {
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1rem 0;
}

.pdf-alert-error {
  background: var(--pdf-red-light);
  border: 1px solid var(--pdf-red-border);
  color: #9f1239;
}

.pdf-alert-info {
  background: var(--fa-blue-light);
  border: 1px solid rgba(194, 120, 3, 0.25);
  color: #854d0e;
}