/* === PDF Page Rotator — Tool Styles === */

.ppr-page {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1rem 3rem;
}

/* Hero */
.ppr-hero {
  padding-top: 2.5rem;
  margin-bottom: 1.5rem;
}
.ppr-hero h1 {
  font-size: clamp(1.75rem, 1rem + 3vw, 2.5rem);
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--text-primary);
}
.ppr-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  margin: 0;
}

/* Drop Zone */
.ppr-dropzone {
  border: 2px dashed var(--border-color);
  border-radius: 12px;
  padding: 2.5rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  margin-bottom: 1.25rem;
  user-select: none;
}
.ppr-dropzone:hover,
.ppr-dropzone:focus,
.ppr-dropzone.ppr-dragover {
  border-color: var(--accent);
  background: var(--accent-light);
  outline: none;
}
.ppr-dropzone__inner {
  pointer-events: none;
}
.ppr-dropzone__icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  display: block;
}
.ppr-dropzone__text {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  margin: 0 0 14px;
}
.ppr-dropzone__sub {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin: 10px 0 0;
}
.ppr-upload-trigger {
  pointer-events: auto;
}

/* File Info Bar */
.ppr-file-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  background: var(--surface-alt, #f5f5f5);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
}
.ppr-file-name {
  font-weight: 600;
  color: var(--text-primary);
  word-break: break-all;
  flex: 1;
  min-width: 0;
}
.ppr-file-size {
  color: var(--text-secondary);
  white-space: nowrap;
}

/* Bulk Actions Bar */
.ppr-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 1.25rem;
}
.ppr-bulk-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.ppr-page-count {
  font-size: 0.875rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* Status Messages */
.ppr-status {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  background: var(--surface-alt, #f5f5f5);
  color: var(--text-primary);
}
.ppr-status--error {
  background: #fff0f0;
  color: #c0392b;
  border: 1px solid #f5c6cb;
}
.ppr-status--warning {
  background: #fffbf0;
  color: #856404;
  border: 1px solid #ffeeba;
}
.ppr-status--success {
  background: #f0fff4;
  color: #1a7340;
  border: 1px solid #c3e6cb;
}

/* Spinner */
.ppr-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: ppr-spin 0.7s linear infinite;
  flex-shrink: 0;
}
@keyframes ppr-spin {
  to { transform: rotate(360deg); }
}

/* Thumbnail Grid */
.ppr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 1.5rem;
}

/* Thumbnail Card */
.ppr-thumb {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--surface, #fff);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 10px;
  gap: 8px;
  transition: box-shadow var(--transition);
}
.ppr-thumb:hover {
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.ppr-thumb__label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
}
.ppr-thumb__canvas-wrap {
  position: relative;
  width: 140px;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 4px;
  background: #f9f9f9;
}
.ppr-thumb__canvas-wrap canvas {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
  transform-origin: center center;
}
.ppr-thumb__badge {
  font-size: 0.7rem;
  color: var(--text-secondary);
  background: var(--surface-alt, #f5f5f5);
  border-radius: 4px;
  padding: 2px 6px;
  font-weight: 500;
}
.ppr-thumb__badge--rotated {
  background: var(--accent-light, #e8f0fe);
  color: var(--accent, #1a73e8);
}
.ppr-thumb__rotate-btn {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  padding: 5px 10px;
  font-size: 1.1rem;
  color: var(--text-primary);
  transition: background var(--transition), border-color var(--transition);
  line-height: 1;
}
.ppr-thumb__rotate-btn:hover {
  background: var(--accent-light, #e8f0fe);
  border-color: var(--accent, #1a73e8);
}

/* Download Section */
.ppr-download {
  text-align: center;
  margin-bottom: 2rem;
}

/* Buttons */
.ppr-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
  white-space: nowrap;
}
.ppr-btn--primary {
  background: var(--accent, #1a73e8);
  color: #fff;
  border-color: var(--accent, #1a73e8);
}
.ppr-btn--primary:hover {
  background: var(--accent-dark, #1558b0);
  border-color: var(--accent-dark, #1558b0);
}
.ppr-btn--outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-color);
}
.ppr-btn--outline:hover {
  background: var(--surface-alt, #f5f5f5);
  border-color: var(--accent, #1a73e8);
  color: var(--accent, #1a73e8);
}
.ppr-btn--ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}
.ppr-btn--ghost:hover {
  background: var(--surface-alt, #f5f5f5);
  color: var(--text-primary);
}
.ppr-btn--sm {
  padding: 5px 10px;
  font-size: 0.8rem;
}
.ppr-btn--lg {
  padding: 12px 28px;
  font-size: 1rem;
}
.ppr-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* FAQ */
.ppr-faq {
  margin-top: 2.5rem;
}
.ppr-faq h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 1rem;
}
.ppr-faq__item {
  border-bottom: 1px solid var(--border-color);
}
.ppr-faq__item summary {
  padding: 14px 0;
  cursor: pointer;
  font-weight: 500;
  color: var(--text-primary);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.ppr-faq__item summary::-webkit-details-marker { display: none; }
.ppr-faq__item summary::after {
  content: '+';
  font-size: 1.2rem;
  color: var(--text-secondary);
  flex-shrink: 0;
}
.ppr-faq__item[open] summary::after {
  content: '\2212';
}
.ppr-faq__item p {
  margin: 0 0 14px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Responsive */
@media (max-width: 480px) {
  .ppr-grid {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  }
  .ppr-thumb__canvas-wrap {
    width: 110px;
    height: 110px;
  }
  .ppr-bulk-actions {
    width: 100%;
  }
  .ppr-controls {
    flex-direction: column;
    align-items: flex-start;
  }
}