/* ============================================================================
   MyPDFTools — Shared Tool Page Styles (tool-page.css)
   Used by ALL tool pages: merge, compress, convert, etc.
   Works with mpt-global.css design system
   ============================================================================ */

/* ============================================================
   TOOL PAGE LAYOUT
   ============================================================ */
.tool-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.tool-page main {
  flex: 1;
  max-width: var(--mpt-max-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* ============================================================
   TOOL HERO / HEADER
   ============================================================ */
.tool-hero {
  text-align: center;
  padding: 48px 24px 32px;
  position: relative;
}

.tool-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 400px; height: 300px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.06), transparent 70%);
  border-radius: 50%;
  z-index: -1;
  pointer-events: none;
}

.tool-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 12px;
}

.tool-hero p {
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  color: var(--mpt-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  justify-content: center;
  font-size: 13px;
}
.breadcrumb a {
  color: var(--mpt-text-muted);
  font-weight: 500;
  transition: color var(--mpt-transition);
}
.breadcrumb a:hover { color: var(--mpt-primary); }
.breadcrumb span { color: var(--mpt-text-muted); opacity: 0.5; }
.breadcrumb .current { color: var(--mpt-primary); font-weight: 600; }

/* ============================================================
   DROP ZONE / UPLOAD AREA
   ============================================================ */
.drop-zone, .upload-area, .upload-section, #drop-zone, #dropZone,
[class*="drop-area"], [class*="upload-box"] {
  background: var(--mpt-card);
  border: 2px dashed var(--mpt-border-strong);
  border-radius: var(--mpt-radius-lg);
  padding: 48px 32px;
  text-align: center;
  cursor: pointer;
  transition: all var(--mpt-transition);
  position: relative;
  overflow: hidden;
  backdrop-filter: var(--mpt-glass-blur);
  -webkit-backdrop-filter: var(--mpt-glass-blur);
}

.drop-zone:hover, .upload-area:hover, .upload-section:hover,
#drop-zone:hover, #dropZone:hover {
  border-color: var(--mpt-primary);
  background: var(--mpt-primary-light);
  box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.08);
}

.drop-zone.dragover, .upload-area.dragover, .dragover {
  border-color: var(--mpt-primary);
  background: rgba(124, 58, 237, 0.08);
  transform: scale(1.01);
  box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.12), var(--mpt-shadow-glow);
}

.drop-zone i, .upload-area i, .upload-section i {
  font-size: 3rem;
  color: var(--mpt-primary);
  margin-bottom: 16px;
  display: block;
  opacity: 0.7;
}

.drop-zone p, .upload-area p, .upload-section p {
  color: var(--mpt-text-muted);
  font-size: 15px;
  margin-bottom: 16px;
}

.drop-zone .btn, .upload-area .btn, .upload-section .btn {
  margin-top: 8px;
}

/* Cloud upload buttons (Google Drive, Dropbox) */
.cloud-buttons, .cloud-upload, .upload-options {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.cloud-btn, .drive-btn, .dropbox-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border: 1px solid var(--mpt-border);
  border-radius: var(--mpt-radius-full);
  background: var(--mpt-card);
  color: var(--mpt-text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--mpt-transition);
}
.cloud-btn:hover, .drive-btn:hover, .dropbox-btn:hover {
  border-color: var(--mpt-primary);
  color: var(--mpt-primary);
  background: var(--mpt-primary-light);
}

/* ============================================================
   FILE LIST / QUEUE
   ============================================================ */
.file-list, .file-queue, .pdf-list, #file-list, #fileList, #pdfList {
  list-style: none;
  padding: 0;
  margin: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.file-item, .file-entry, .pdf-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--mpt-card);
  border: 1px solid var(--mpt-border);
  border-radius: var(--mpt-radius);
  transition: all var(--mpt-transition);
  backdrop-filter: var(--mpt-glass-blur);
  -webkit-backdrop-filter: var(--mpt-glass-blur);
}

.file-item:hover, .file-entry:hover, .pdf-item:hover {
  border-color: rgba(124, 58, 237, 0.2);
  box-shadow: var(--mpt-shadow-sm);
}

.file-item .file-icon, .file-entry .file-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--mpt-gradient-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mpt-primary);
  font-size: 16px;
  flex-shrink: 0;
}

.file-item .file-info, .file-entry .file-info {
  flex: 1;
  min-width: 0;
}

.file-item .file-name, .file-entry .file-name {
  font-weight: 600;
  font-size: 14px;
  color: var(--mpt-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-item .file-size, .file-entry .file-size {
  font-size: 12px;
  color: var(--mpt-text-muted);
  margin-top: 2px;
}

.file-item .remove-btn, .file-entry .remove-btn,
.file-item .delete-btn, .file-entry .delete-btn {
  background: none;
  border: none;
  color: var(--mpt-text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  transition: all var(--mpt-transition);
  font-size: 14px;
}
.file-item .remove-btn:hover, .file-entry .remove-btn:hover,
.file-item .delete-btn:hover, .file-entry .delete-btn:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--mpt-danger);
}

/* Drag handle for reordering */
.drag-handle, .sort-handle {
  cursor: grab;
  color: var(--mpt-text-muted);
  padding: 4px;
  opacity: 0.5;
  transition: opacity var(--mpt-transition);
}
.drag-handle:hover, .sort-handle:hover { opacity: 1; }
.drag-handle:active, .sort-handle:active { cursor: grabbing; }

/* ============================================================
   PROGRESS & STATUS
   ============================================================ */
.progress-bar, .progress-container {
  width: 100%;
  height: 6px;
  background: var(--mpt-border);
  border-radius: var(--mpt-radius-full);
  overflow: hidden;
  margin: 16px 0;
}

.progress-fill, .progress-bar-fill, .progress-inner {
  height: 100%;
  background: var(--mpt-gradient);
  border-radius: var(--mpt-radius-full);
  transition: width 0.4s ease;
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: progressShimmer 1.5s infinite;
}
@keyframes progressShimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.status-text, .progress-text {
  font-size: 14px;
  color: var(--mpt-text-muted);
  text-align: center;
  margin: 8px 0;
}

/* ============================================================
   RESULTS / OUTPUT PANEL
   ============================================================ */
.result-panel, .results-section, .output-section, .download-section,
#result, #results, #downloadSection {
  background: var(--mpt-card);
  border: 1px solid var(--mpt-border);
  border-radius: var(--mpt-radius);
  padding: 28px;
  text-align: center;
  margin: 24px 0;
  backdrop-filter: var(--mpt-glass-blur);
  -webkit-backdrop-filter: var(--mpt-glass-blur);
}

.result-panel .btn, .results-section .btn,
.download-btn, #downloadBtn, #download-btn {
  margin-top: 16px;
}

.result-stats {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin: 16px 0;
  flex-wrap: wrap;
}

.result-stat {
  text-align: center;
}
.result-stat .value {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--mpt-primary);
  font-family: 'Outfit', sans-serif;
}
.result-stat .label {
  font-size: 12px;
  color: var(--mpt-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 4px;
}

.success-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 24px;
  color: var(--mpt-success);
}

/* ============================================================
   TOOL OPTIONS / SETTINGS PANEL
   ============================================================ */
.tool-options, .options-panel, .settings-panel, .controls-panel {
  background: var(--mpt-card);
  border: 1px solid var(--mpt-border);
  border-radius: var(--mpt-radius);
  padding: 24px;
  margin: 20px 0;
  backdrop-filter: var(--mpt-glass-blur);
  -webkit-backdrop-filter: var(--mpt-glass-blur);
}

.tool-options h3, .options-panel h3, .settings-panel h3 {
  font-size: 1rem;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.tool-options h3 i {
  color: var(--mpt-primary);
}

.option-group, .form-group {
  margin-bottom: 16px;
}

.option-group label, .form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--mpt-text);
  margin-bottom: 8px;
}

/* Input & Select styling */
.tool-options input[type="text"],
.tool-options input[type="number"],
.tool-options input[type="password"],
.tool-options input[type="email"],
.tool-options select,
.tool-options textarea,
input.tool-input, select.tool-select, textarea.tool-textarea,
.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--mpt-border-strong);
  border-radius: var(--mpt-radius-sm);
  background: var(--mpt-surface);
  color: var(--mpt-text);
  font-size: 14px;
  font-family: 'Inter', sans-serif;
  transition: border-color var(--mpt-transition), box-shadow var(--mpt-transition);
  outline: none;
}
.tool-options input:focus, .tool-options select:focus,
.tool-options textarea:focus, .form-control:focus,
input.tool-input:focus, select.tool-select:focus {
  border-color: var(--mpt-primary);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

/* Range slider */
.tool-options input[type="range"],
input[type="range"].quality-slider {
  width: 100%;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--mpt-border);
  border-radius: var(--mpt-radius-full);
  outline: none;
}
.tool-options input[type="range"]::-webkit-slider-thumb,
input[type="range"].quality-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--mpt-primary);
  cursor: pointer;
  box-shadow: 0 2px 8px var(--mpt-primary-glow);
  transition: transform var(--mpt-transition);
}
.tool-options input[type="range"]::-webkit-slider-thumb:hover,
input[type="range"].quality-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

/* Toggle / Switch */
.toggle-switch {
  position: relative;
  width: 48px;
  height: 26px;
  display: inline-block;
}
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--mpt-border-strong);
  border-radius: 26px;
  cursor: pointer;
  transition: background var(--mpt-transition);
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 20px; height: 20px;
  left: 3px; bottom: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform var(--mpt-transition);
}
.toggle-switch input:checked + .toggle-slider {
  background: var(--mpt-primary);
}
.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(22px);
}

/* ============================================================
   PREVIEW AREA
   ============================================================ */
.preview-area, .preview-container, .pdf-preview, #preview {
  background: var(--mpt-bg-alt);
  border: 1px solid var(--mpt-border);
  border-radius: var(--mpt-radius);
  padding: 16px;
  margin: 16px 0;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.preview-area img, .preview-container img {
  max-width: 200px;
  max-height: 200px;
  object-fit: contain;
  border-radius: var(--mpt-radius-sm);
  border: 1px solid var(--mpt-border);
}

.preview-page, .page-thumbnail {
  width: 120px;
  height: 170px;
  background: #fff;
  border: 1px solid var(--mpt-border);
  border-radius: var(--mpt-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: all var(--mpt-transition);
}
.preview-page:hover, .page-thumbnail:hover {
  border-color: var(--mpt-primary);
  box-shadow: var(--mpt-shadow-sm);
  transform: translateY(-2px);
}

.preview-page canvas, .page-thumbnail canvas {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* ============================================================
   TOOL-SPECIFIC: Compression Quality Presets
   ============================================================ */
.quality-presets, .compression-levels {
  display: flex;
  gap: 10px;
  margin: 12px 0;
  flex-wrap: wrap;
}

.quality-preset, .compression-level {
  padding: 10px 20px;
  border: 2px solid var(--mpt-border);
  border-radius: var(--mpt-radius-full);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--mpt-text-secondary);
  background: var(--mpt-surface);
  transition: all var(--mpt-transition);
  text-align: center;
  flex: 1;
  min-width: 100px;
}
.quality-preset:hover, .compression-level:hover {
  border-color: var(--mpt-primary);
  color: var(--mpt-primary);
}
.quality-preset.active, .quality-preset.selected,
.compression-level.active, .compression-level.selected {
  border-color: var(--mpt-primary);
  background: var(--mpt-primary);
  color: #fff;
  box-shadow: 0 4px 16px var(--mpt-primary-glow);
}

/* ============================================================
   TOOL-SPECIFIC: Password Input (Secure PDF)
   ============================================================ */
.password-input-group {
  position: relative;
  margin: 16px 0;
}

.password-input-group input {
  width: 100%;
  padding: 14px 48px 14px 16px;
  border: 2px solid var(--mpt-border);
  border-radius: var(--mpt-radius);
  font-size: 15px;
  background: var(--mpt-surface);
  color: var(--mpt-text);
  transition: border-color var(--mpt-transition);
}
.password-input-group input:focus {
  border-color: var(--mpt-primary);
  outline: none;
}

.password-toggle {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--mpt-text-muted);
  font-size: 16px;
  padding: 4px;
}

/* ============================================================
   PAGE-LEVEL CONTENT (FAQ, Guide, etc.)
   ============================================================ */
.tool-content, .content-section {
  max-width: 800px;
  margin: 40px auto 0;
  padding: 0 24px;
}

.tool-content h2, .content-section h2 {
  font-size: 1.4rem;
  margin-bottom: 16px;
  margin-top: 40px;
}
.tool-content h2:first-child, .content-section h2:first-child {
  margin-top: 0;
}

.tool-content p, .content-section p {
  font-size: 15px;
  line-height: 1.8;
}

/* FAQ Accordion */
.faq-section {
  margin-top: 48px;
}
.faq-item {
  border: 1px solid var(--mpt-border);
  border-radius: var(--mpt-radius);
  margin-bottom: 10px;
  overflow: hidden;
  background: var(--mpt-card);
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  color: var(--mpt-text);
  transition: all var(--mpt-transition);
}
.faq-question:hover {
  color: var(--mpt-primary);
}
.faq-question i {
  font-size: 12px;
  transition: transform var(--mpt-transition);
  color: var(--mpt-text-muted);
}
.faq-item.active .faq-question i {
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--mpt-transition), padding var(--mpt-transition);
  padding: 0 20px;
}
.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 20px 16px;
}
.faq-answer p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--mpt-text-muted);
}

/* ============================================================
   ACTION BUTTONS ROW
   ============================================================ */
.action-buttons, .button-row, .tool-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 24px 0;
}

/* ============================================================
   ALERTS / NOTICES
   ============================================================ */
.tool-notice, .info-box, .alert {
  padding: 14px 18px;
  border-radius: var(--mpt-radius);
  font-size: 14px;
  margin: 16px 0;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.tool-notice i, .info-box i, .alert i {
  font-size: 16px;
  margin-top: 2px;
  flex-shrink: 0;
}

.alert-info, .info-box {
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.2);
  color: var(--mpt-text-secondary);
}
.alert-info i { color: var(--mpt-secondary); }

.alert-success {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: var(--mpt-text-secondary);
}
.alert-success i { color: var(--mpt-success); }

.alert-warning {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.2);
  color: var(--mpt-text-secondary);
}
.alert-warning i { color: var(--mpt-warning); }

.alert-error, .alert-danger {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: var(--mpt-text-secondary);
}
.alert-error i, .alert-danger i { color: var(--mpt-danger); }

/* ============================================================
   LOADING SPINNER
   ============================================================ */
.spinner, .loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--mpt-border);
  border-top-color: var(--mpt-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 20px auto;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================================
   TOOL SIDEBAR (for pages with sidebar layout)
   ============================================================ */
.tool-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 24px;
  margin-top: 20px;
}
.tool-main { min-width: 0; }
.tool-sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ============================================================
   RELATED TOOLS
   ============================================================ */
.related-tools {
  margin-top: 48px;
  padding: 40px 0;
}

.related-tools h2 {
  text-align: center;
  margin-bottom: 24px;
}

.related-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.related-tool-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 24px 16px;
  background: var(--mpt-card);
  border: 1px solid var(--mpt-border);
  border-radius: var(--mpt-radius);
  text-decoration: none;
  transition: all var(--mpt-transition);
}
.related-tool-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--mpt-shadow-hover);
  border-color: rgba(124, 58, 237, 0.2);
}
.related-tool-card i {
  font-size: 24px;
  color: var(--mpt-primary);
  margin-bottom: 12px;
}
.related-tool-card span {
  font-weight: 600;
  font-size: 14px;
  color: var(--mpt-text);
}

/* ============================================================
   TOOL PAGE RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .tool-layout {
    grid-template-columns: 1fr;
  }
  .tool-sidebar {
    order: -1;
  }
}

@media (max-width: 768px) {
  .tool-hero {
    padding: 32px 16px 24px;
  }
  .tool-hero h1 {
    font-size: 1.6rem;
  }

  .drop-zone, .upload-area, .upload-section,
  #drop-zone, #dropZone {
    padding: 32px 20px;
  }
  .drop-zone i, .upload-area i { font-size: 2.2rem; }

  .file-item, .file-entry, .pdf-item {
    padding: 12px 14px;
    gap: 10px;
  }

  .quality-presets, .compression-levels {
    flex-direction: column;
  }
  .quality-preset, .compression-level {
    min-width: auto;
  }

  .result-stats { gap: 20px; }
  .result-stat .value { font-size: 1.2rem; }

  .tool-content, .content-section {
    padding: 0 16px;
  }

  .related-tools-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .action-buttons, .button-row, .tool-actions {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .tool-hero {
    padding: 24px 12px 20px;
  }

  .drop-zone, .upload-area, .upload-section,
  #drop-zone, #dropZone {
    padding: 24px 14px;
  }

  .tool-options, .options-panel, .settings-panel {
    padding: 16px;
  }

  .result-panel, .results-section, .output-section {
    padding: 20px;
  }

  .related-tools-grid {
    grid-template-columns: 1fr;
  }

  .breadcrumb { font-size: 12px; }

  .preview-page, .page-thumbnail {
    width: 90px;
    height: 120px;
  }
}

/* ============================================================
   PRINT (hide tool UI)
   ============================================================ */
@media print {
  .drop-zone, .upload-area, .file-list, .action-buttons,
  .tool-options, .cloud-buttons, .related-tools { display: none !important; }
}