/* ============================================
   ShrinkTo - PDF Tools Stylesheet
   ============================================ */

/* Tool hub pages */
.tools-hero { padding: var(--space-7) 0 var(--space-6); text-align: center; }
.tools-hero h1 { font-size: clamp(32px, 4.5vw, 48px); margin-bottom: var(--space-3); }
.tools-hero p { max-width: 640px; margin: 0 auto; font-size: var(--text-lg); }

.tools-search {
  max-width: 480px; margin: var(--space-5) auto 0;
  position: relative;
}
.tools-search input {
  width: 100%; padding: 12px 16px 12px 44px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-family: inherit; font-size: var(--text-base);
  background: white;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.tools-search input:focus { outline: none; border-color: var(--color-primary); box-shadow: var(--shadow-focus); }
.tools-search-icon {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  color: var(--color-text-tertiary);
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.tool-card {
  background: white;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  text-decoration: none; color: inherit;
  transition: all var(--transition-fast);
  display: flex; flex-direction: column;
  position: relative;
}
.tool-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-3);
  transform: translateY(-2px);
  text-decoration: none; color: inherit;
}
.tool-card-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  display: grid; place-items: center;
  background: var(--color-primary-light);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.tool-card-icon .material-symbols-rounded { font-size: 28px; }
.tool-card.tier-A .tool-card-icon { background: var(--color-primary-light); color: var(--color-primary); }
.tool-card.tier-B .tool-card-icon { background: var(--color-warning-light); color: #ea8600; }
.tool-card.tier-C .tool-card-icon { background: var(--color-purple-light); color: var(--color-purple); }
.tool-card h3 { font-size: var(--text-lg); margin-bottom: var(--space-2); }
.tool-card p { font-size: var(--text-sm); color: var(--color-text-secondary); line-height: 1.5; flex: 1; }
.tool-card-tier {
  position: absolute; top: var(--space-3); right: var(--space-3);
  font-size: 10px; font-weight: var(--weight-semibold);
  padding: 2px 8px;
  background: var(--color-bg-subtle);
  color: var(--color-text-tertiary);
  border-radius: var(--radius-full);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.tool-card.tier-B .tool-card-tier { background: var(--color-warning-light); color: #b06800; }
.tool-card.tier-C .tool-card-tier { background: var(--color-purple-light); color: var(--color-purple); }

/* Disclaimer banner */
.tier-disclaimer {
  max-width: 1100px; margin: var(--space-5) auto 0;
  background: var(--color-warning-light);
  border: 1px solid #f5d484;
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  display: flex; gap: var(--space-3); align-items: flex-start;
}
.tier-disclaimer.tier-C { background: var(--color-purple-light); border-color: #d4b8e8; }
.tier-disclaimer .material-symbols-rounded { color: #ea8600; flex-shrink: 0; }
.tier-disclaimer.tier-C .material-symbols-rounded { color: var(--color-purple); }
.tier-disclaimer h4 { font-size: var(--text-sm); font-weight: var(--weight-semibold); margin-bottom: 4px; color: var(--color-text); }
.tier-disclaimer p { font-size: var(--text-sm); color: var(--color-text-secondary); margin: 0; }

/* Single tool page */
.pdf-tool-page { max-width: 900px; margin: 0 auto; padding: 0 var(--space-5); }
.pdf-tool-hero { padding: var(--space-6) 0 var(--space-5); text-align: center; }
.pdf-tool-icon-large {
  width: 64px; height: 64px;
  border-radius: var(--radius-lg);
  display: grid; place-items: center;
  background: var(--color-primary-light);
  color: var(--color-primary);
  margin: 0 auto var(--space-4);
}
.pdf-tool-icon-large .material-symbols-rounded { font-size: 36px; }
.pdf-tool-hero h1 { font-size: clamp(28px, 4vw, 40px); margin-bottom: var(--space-2); }
.pdf-tool-hero p { max-width: 560px; margin: 0 auto; font-size: var(--text-base); }

.pdf-tool-warning {
  background: var(--color-warning-light);
  border: 1px solid #f5d484;
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  display: flex; gap: var(--space-2); align-items: flex-start;
  margin-bottom: var(--space-5);
  font-size: var(--text-sm);
}
.pdf-tool-warning.tier-C { background: var(--color-purple-light); border-color: #d4b8e8; }
.pdf-tool-warning .material-symbols-rounded { color: #ea8600; flex-shrink: 0; font-size: 20px; }
.pdf-tool-warning.tier-C .material-symbols-rounded { color: var(--color-purple); }
.pdf-tool-warning strong { color: var(--color-text); }

.pdf-tool {
  background: white;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-3);
  overflow: hidden;
  margin-bottom: var(--space-7);
}

.pdf-dropzone {
  padding: var(--space-8) var(--space-5);
  text-align: center;
  cursor: pointer;
  transition: background var(--transition-normal);
  border: 2px dashed transparent;
}
.pdf-dropzone:hover, .pdf-dropzone.dragover { background: var(--color-primary-50); border-color: var(--color-primary); }
.pdf-dropzone-icon {
  width: 72px; height: 72px;
  background: var(--color-primary-light);
  border-radius: 50%;
  margin: 0 auto var(--space-4);
  display: grid; place-items: center;
  color: var(--color-primary);
}
.pdf-dropzone-icon .material-symbols-rounded { font-size: 36px; }
.pdf-dropzone h3 { margin-bottom: var(--space-2); }
.pdf-dropzone p { color: var(--color-text-secondary); font-size: var(--text-sm); }

.pdf-files-list {
  padding: var(--space-4);
  display: flex; flex-direction: column; gap: var(--space-2);
  max-height: 400px; overflow-y: auto;
  border-bottom: 1px solid var(--color-border-light);
}

.pdf-file-item {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-3);
  background: var(--color-bg-subtle);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}
.pdf-file-item:hover { background: var(--color-primary-light); }
.pdf-file-item.dragging { opacity: 0.5; }
.pdf-file-item-handle { color: var(--color-text-tertiary); cursor: grab; }
.pdf-file-item-icon {
  width: 36px; height: 36px;
  background: white;
  border-radius: var(--radius-sm);
  display: grid; place-items: center;
  color: var(--color-danger);
  flex-shrink: 0;
}
.pdf-file-item-info { flex: 1; min-width: 0; }
.pdf-file-item-name { font-size: var(--text-sm); font-weight: var(--weight-medium); color: var(--color-text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pdf-file-item-meta { font-size: var(--text-xs); color: var(--color-text-tertiary); }
.pdf-file-item-actions { display: flex; gap: 4px; }
.pdf-file-item-action {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}
.pdf-file-item-action:hover { background: white; color: var(--color-text); }
.pdf-file-item-action.danger:hover { background: var(--color-danger-light); color: var(--color-danger); }

.pdf-options {
  padding: var(--space-4) var(--space-5);
  background: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border-light);
  display: flex; flex-direction: column; gap: var(--space-4);
}
.pdf-option-row {
  display: flex; align-items: center; gap: var(--space-3);
  flex-wrap: wrap;
}
.pdf-option-label {
  font-size: var(--text-sm); font-weight: var(--weight-medium);
  color: var(--color-text); min-width: 120px;
}
.pdf-option-control {
  flex: 1; min-width: 200px;
}
.pdf-option-control input[type="text"],
.pdf-option-control input[type="number"],
.pdf-option-control input[type="password"],
.pdf-option-control textarea,
.pdf-option-control select {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit; font-size: var(--text-sm);
  background: white;
}
.pdf-option-control input:focus,
.pdf-option-control textarea:focus,
.pdf-option-control select:focus { outline: none; border-color: var(--color-primary); box-shadow: var(--shadow-focus); }

.pdf-option-help {
  font-size: var(--text-xs); color: var(--color-text-tertiary);
  flex-basis: 100%;
}

.pdf-actions {
  padding: var(--space-4) var(--space-5);
  display: flex; gap: var(--space-3);
  justify-content: flex-end;
  flex-wrap: wrap;
}

.pdf-progress {
  padding: var(--space-7) var(--space-5);
  text-align: center;
}
.pdf-progress-text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-3);
}
.pdf-progress-bar {
  margin: var(--space-3) auto 0;
  max-width: 360px;
  height: 6px;
  background: var(--color-border-light);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.pdf-progress-bar-fill {
  height: 100%;
  background: var(--color-primary);
  width: 0%;
  transition: width var(--transition-normal);
}

.pdf-result {
  padding: var(--space-6) var(--space-5);
  text-align: center;
}
.pdf-result-icon {
  width: 72px; height: 72px;
  background: var(--color-success-light);
  color: var(--color-success);
  border-radius: 50%;
  margin: 0 auto var(--space-4);
  display: grid; place-items: center;
}
.pdf-result-icon .material-symbols-rounded { font-size: 40px; }
.pdf-result h3 { margin-bottom: var(--space-2); }
.pdf-result p { color: var(--color-text-secondary); margin-bottom: var(--space-5); font-size: var(--text-sm); }
.pdf-result-actions { display: flex; gap: var(--space-3); justify-content: center; flex-wrap: wrap; }

.pdf-error {
  padding: var(--space-5);
  background: var(--color-danger-light);
  border-bottom: 1px solid var(--color-danger);
  display: flex; align-items: flex-start; gap: var(--space-3);
}
.pdf-error .material-symbols-rounded { color: var(--color-danger); flex-shrink: 0; }
.pdf-error-content h4 { font-size: var(--text-sm); font-weight: var(--weight-semibold); margin-bottom: 4px; color: var(--color-danger); }
.pdf-error-content p { font-size: var(--text-sm); color: var(--color-text); margin: 0; }

/* PDF preview / thumbnails for organize, redact, etc */
.pdf-pages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-3);
  padding: var(--space-4);
}
.pdf-page-thumb {
  background: var(--color-bg-subtle);
  border: 2px solid var(--color-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: grab;
  position: relative;
  transition: all var(--transition-fast);
}
.pdf-page-thumb:hover { border-color: var(--color-primary); }
.pdf-page-thumb.selected { border-color: var(--color-primary); }
.pdf-page-thumb.dragging { opacity: 0.5; }
.pdf-page-thumb canvas, .pdf-page-thumb img {
  width: 100%;
  display: block;
  background: white;
}
.pdf-page-thumb-num {
  position: absolute; top: 4px; left: 4px;
  background: rgba(0,0,0,0.7);
  color: white;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: var(--weight-semibold);
}
.pdf-page-thumb-actions {
  position: absolute; top: 4px; right: 4px;
  display: flex; gap: 2px;
}
.pdf-page-thumb-action {
  width: 24px; height: 24px;
  background: rgba(255,255,255,0.95);
  border-radius: var(--radius-sm);
  display: grid; place-items: center;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.pdf-page-thumb-action:hover { background: white; color: var(--color-text); }
.pdf-page-thumb-action.danger:hover { color: var(--color-danger); }
.pdf-page-thumb-action .material-symbols-rounded { font-size: 16px; }

.pdf-page-thumb.rotated-90 canvas, .pdf-page-thumb.rotated-90 img { transform: rotate(90deg); }
.pdf-page-thumb.rotated-180 canvas, .pdf-page-thumb.rotated-180 img { transform: rotate(180deg); }
.pdf-page-thumb.rotated-270 canvas, .pdf-page-thumb.rotated-270 img { transform: rotate(270deg); }

/* Signature pad container */
.signature-pad-wrapper {
  background: white;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  position: relative;
  margin: var(--space-3) 0;
}
.signature-pad {
  width: 100%;
  height: 200px;
  display: block;
  cursor: crosshair;
  touch-action: none;
}
.signature-clear {
  position: absolute; top: 8px; right: 8px;
  font-size: 12px;
}

/* Compare PDF page layout */
.pdf-compare-pages {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--color-bg-subtle);
}
.pdf-compare-side { background: white; border-radius: var(--radius-md); padding: var(--space-3); }
.pdf-compare-side h4 { font-size: var(--text-sm); margin-bottom: var(--space-2); text-align: center; }
.pdf-compare-side canvas { width: 100%; }
@media (max-width: 640px) { .pdf-compare-pages { grid-template-columns: 1fr; } }

/* Camera capture (for scan-to-pdf) */
.pdf-camera-wrapper {
  background: black;
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
.pdf-camera-wrapper video {
  width: 100%; height: 100%; object-fit: cover;
}
.pdf-camera-controls {
  display: flex; gap: var(--space-2); padding: var(--space-3);
  justify-content: center; flex-wrap: wrap;
}

/* Edit/redact canvas */
.pdf-edit-canvas-wrapper {
  position: relative;
  background: var(--color-bg-subtle);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  overflow: auto;
  max-height: 70vh;
}
.pdf-edit-canvas {
  display: block;
  margin: 0 auto;
  background: white;
  box-shadow: var(--shadow-2);
  cursor: crosshair;
}

/* Shared utility */
.pdf-tool [hidden] { display: none !important; }