:root{--color-bg: #f5f7fb;--color-surface: #ffffff;--color-text: #111827;--color-muted: #6b7280;--color-border: #dbe2ea;--color-primary: #2563eb;--font-base: Arial, Helvetica, sans-serif;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 40px;--radius-sm: 10px;--radius-md: 14px;--radius-lg: 20px;--container-width: 860px;--shadow-sm: 0 8px 24px rgba(17, 24, 39, .06)}*,*:before,*:after{box-sizing:border-box}html{font-size:16px}body{margin:0;font-family:var(--font-base);color:var(--color-text);background:var(--color-bg);line-height:1.6}h1,h2,h3,p{margin-top:0}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}.container{width:min(100% - 32px,var(--container-width));margin-inline:auto}.mt-md{margin-top:var(--space-md)}.mt-lg{margin-top:var(--space-lg)}.hidden{display:none!important}.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:.75rem 1rem;border:1px solid #d0d7de;border-radius:.75rem;background-color:#fff;color:#111827;font:inherit;text-decoration:none;cursor:pointer;transition:background-color .2s ease,border-color .2s ease,opacity .2s ease}.button:hover{background-color:#f8fafc}.button:disabled{opacity:.6;cursor:not-allowed}.button-primary{background-color:#111827;border-color:#111827;color:#fff}.button-primary:hover{background-color:#1f2937;border-color:#1f2937}.button-secondary{background-color:#fff;border-color:#d0d7de;color:#111827}.button-secondary:hover{background-color:#f8fafc;border-color:#c3cad3}.button-danger{background-color:#fff;color:#b42318;border-color:#f1b5ae}.button-danger:hover{background-color:#fff5f4}.upload-dropzone{padding:2rem;border:2px dashed #cbd5e1;border-radius:1rem;background-color:#f8fafc;text-align:center;transition:border-color .2s ease,background-color .2s ease}.upload-dropzone.is-dragover{border-color:#111827;background-color:#eef2ff}.upload-dropzone p{margin:0 0 1rem}.upload-error{margin-top:.75rem;color:#b42318}.upload-help{margin-top:.5rem;color:#6b7280;font-size:.875rem}.workspace-upload-dropzone{margin-bottom:1rem;padding:1rem 1.25rem}.workspace-upload-dropzone p{margin:0}.file-item{display:grid;grid-template-columns:auto auto 1fr auto;align-items:center;gap:.75rem;padding:.875rem 1rem;border:1px solid #e5e7eb;border-radius:.875rem;background-color:#fff}.file-item.is-dragging{opacity:.6}.file-order{display:inline-flex;align-items:center;justify-content:center;width:2rem;height:2rem;border-radius:999px;background-color:#f3f4f6;color:#374151;font-size:.875rem;font-weight:600}.file-drag{cursor:grab;-webkit-user-select:none;user-select:none;color:#6b7280;font-size:1.125rem;line-height:1}.file-drag:active{cursor:grabbing}.file-remove{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:.625rem .875rem;border:1px solid #f1b5ae;border-radius:.75rem;background-color:#fff;color:#b42318;font:inherit;cursor:pointer}.file-remove:hover{background-color:#fff5f4}.file-list-empty{padding:1rem;border:1px dashed #d1d5db;border-radius:.875rem;color:#6b7280;text-align:center}.file-info{display:grid;gap:.2rem;min-width:0}.file-name{min-width:0;overflow-wrap:anywhere}.file-meta{color:#6b7280;font-size:.875rem}.document-queue{display:grid;gap:.75rem;margin:0;padding:0;list-style:none}.document-queue-item{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:.75rem;padding:.875rem 1rem;border:1px solid #e5e7eb;border-radius:.875rem;background-color:#fff;text-align:left;cursor:pointer;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease}.document-queue-item:hover{border-color:#cbd5e1;background-color:#f8fafc}.document-queue-item.is-active{border-color:#111827;box-shadow:0 0 0 2px #11182714;background-color:#f8fafc}.document-queue-order{display:inline-flex;align-items:center;justify-content:center;width:2rem;height:2rem;border-radius:999px;background-color:#f3f4f6;color:#374151;font-size:.875rem;font-weight:600}.document-queue-info{display:grid;gap:.2rem;min-width:0}.document-queue-title-row{display:flex;align-items:center;gap:.5rem;min-width:0;flex-wrap:wrap}.document-queue-name{min-width:0;font-weight:500;overflow-wrap:anywhere}.document-queue-meta{color:#6b7280;font-size:.875rem}.document-queue-badge{display:inline-flex;align-items:center;justify-content:center;min-height:1.5rem;padding:.125rem .5rem;border-radius:999px;background-color:#eef2ff;color:#3730a3;font-size:.75rem;font-weight:600}.document-queue-actions{display:flex;align-items:center;gap:.5rem}.result-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:.75rem 1rem;border-radius:.75rem;background-color:#111827;color:#fff;text-decoration:none}.result-link:hover{background-color:#1f2937}.result-message{padding:1rem 1.25rem;border:1px solid #c7e7d3;border-radius:.875rem;background-color:#f0fdf4}.result-message-text{margin:0;color:#166534;font-size:.95rem}.panel-meta{padding:.5rem .75rem;border-radius:.625rem;background-color:#f8fafc}.site-header{border-bottom:1px solid #e5e7eb;background:#fff}.header-inner{width:min(100% - 2rem,1100px);margin:0 auto;padding:1rem 0;display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}.site-logo{font-weight:700;text-decoration:none;color:#111827}.main-nav .nav-list{display:flex;gap:1rem;list-style:none;padding:0;margin:0;flex-wrap:wrap}.site-footer{border-top:1px solid #e5e7eb;margin-top:4rem}.footer-inner{width:min(100% - 2rem,1100px);margin:0 auto;padding:2rem 0;text-align:center}.footer-nav ul{display:flex;justify-content:center;gap:1rem;list-style:none;padding:0}.pdf-preview-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:.75rem}.preview-page{position:relative;display:grid;gap:.5rem;padding:.5rem;border:1px solid #d1d5db;border-radius:.75rem;background-color:#fff;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease,opacity .2s ease}.pdf-preview-grid.is-interactive .preview-page{cursor:pointer}.pdf-preview-grid.is-interactive .preview-page:hover{border-color:#9ca3af;transform:translateY(-1px)}.pdf-preview-grid.is-readonly .preview-page{cursor:default;opacity:.96}.pdf-preview-grid.is-readonly .preview-page:hover{border-color:#d1d5db;transform:none}.preview-page.is-selected{border-color:#111827;box-shadow:0 0 0 2px #1118271f;background-color:#f8fafc}.pdf-preview-grid.is-readonly .preview-page.is-selected{border-color:#cbd5e1;box-shadow:0 0 0 1px #94a3b84d;background-color:#f8fafc}.preview-page-media{display:flex;align-items:center;justify-content:center;min-height:170px;padding:.25rem}.preview-page-canvas{width:100%;height:auto;display:block;border-radius:.25rem;background-color:#f3f4f6;transform:rotate(var(--preview-rotation, 0deg)) scale(var(--preview-rotation-scale, 1));transform-origin:center center;transition:transform .2s ease}.preview-page-footer{display:flex;justify-content:flex-end;align-items:center}.preview-page-number{font-size:.875rem;color:#4b5563;text-align:right}.preview-placeholder{margin:0;color:#6b7280}.preview-page.is-loading{opacity:.72}.preview-page.is-loading .preview-page-canvas{background:linear-gradient(90deg,#f3f4f6,#e5e7eb,#f3f4f6);background-size:200% 100%;animation:preview-loading 1.2s infinite linear}.preview-rotation-badge{position:absolute;top:.5rem;right:.5rem;display:inline-flex;align-items:center;justify-content:center;min-width:2.5rem;padding:.2rem .5rem;border-radius:999px;background-color:#fffffff5;border:1px solid #dbeafe;color:#1d4ed8;font-size:.75rem;font-weight:600;line-height:1;pointer-events:none;box-shadow:0 4px 10px #0f172a14}.preview-page-actions{position:absolute;top:.5rem;left:.5rem;display:inline-flex;align-items:center;gap:.375rem;opacity:0;pointer-events:none;transition:opacity .2s ease;z-index:2}.preview-page:hover .preview-page-actions{opacity:1;pointer-events:auto}.preview-page-actions:focus-within{opacity:1;pointer-events:auto}.preview-page-action{display:inline-flex;align-items:center;justify-content:center;width:2rem;height:2rem;padding:0;border:1px solid #d0d7de;border-radius:999px;background-color:#fffffff5;color:#111827;font:inherit;line-height:1;cursor:pointer;box-shadow:0 4px 10px #0f172a14}.preview-page-action:hover{background-color:#f8fafc;border-color:#c3cad3}.preview-page-action:focus-visible{outline:2px solid #111827;outline-offset:2px}@keyframes preview-loading{0%{background-position:200% 0}to{background-position:-200% 0}}.page{width:min(100% - 2rem,860px);margin:0 auto;padding:3rem 0 4rem}.page-header{margin-bottom:2rem;text-align:center}.page-header h1{margin:0 0 .75rem}.page-header p{margin:0;color:#4b5563}.upload,.file-list,.actions,.result{margin-top:1.5rem}.file-list h2{margin:0 0 .75rem;font-size:1.125rem}.file-list ul{display:grid;gap:.75rem;margin:0;padding:0;list-style:none}.file-list-help{margin:0 0 .75rem;color:#6b7280;font-size:.95rem}.actions{display:flex;justify-content:center}.actions .button{width:100%}.result{display:flex;justify-content:center}.tool-intro,.how-to,.benefits,.faq,.related-tools{margin-top:3rem}.tool-intro{text-align:center}.how-to ol,.benefits ul,.related-tools ul{margin-top:1rem;padding-left:1.25rem}.faq h3{margin-top:1.5rem}.tool-shell{margin-top:2rem;padding:1.5rem;border:1px solid #e5e7eb;border-radius:1rem;background-color:#fff;box-shadow:0 8px 24px #0f172a0f}.tool-shell .upload,.tool-shell .file-list,.tool-shell .actions,.tool-shell .result-message{margin-top:1.5rem}.tool-shell .upload:first-child{margin-top:0}.split-tool,.rotate-tool{overflow:visible}.split-workspace-grid,.rotate-workspace-grid{display:grid;gap:1.5rem;align-items:start}.split-preview-column,.split-settings-column,.rotate-preview-column,.rotate-settings-column{min-width:0}.split-preview-column,.rotate-preview-column,.split-settings-column,.rotate-settings-column{display:grid;gap:1.5rem}.pdf-preview-panel,.split-mode,.range-panel,.extract-panel,.status-message,.result-message,.current-file-card-panel,.rotate-scope-panel,.rotate-actions-panel{padding:1rem;border:1px solid #e5e7eb;border-radius:.875rem;background-color:#fff}.panel-header{margin-bottom:.75rem}.panel-header h2{margin:0}.panel-help{margin:.35rem 0 0;color:#6b7280;font-size:.95rem}.panel-header-inline{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem}.panel-meta{margin:0;color:#6b7280;font-size:.9rem}.panel-header-inline .panel-meta{white-space:nowrap}.range-list{display:grid;gap:.75rem}.range-row{display:grid;gap:.75rem;align-items:end}.range-field{display:grid;gap:.35rem}.range-field span,.extract-input span{font-size:.95rem;color:#374151}.range-field input,.extract-input input{width:100%}.mode-switch,.extract-options{display:grid;gap:.75rem}.mode-option,.option-row{display:flex;align-items:center;gap:.625rem}.extract-select-group{display:grid;gap:.5rem}.extract-input{display:grid;gap:.35rem;margin-left:1.75rem;transition:opacity .2s ease}.extract-input.is-inactive{opacity:.5}.extract-input.is-inactive input{cursor:pointer}.status-message p{margin:0;color:#374151}.result-list{display:grid;gap:.75rem;margin-top:1rem}.range-summary,.extract-summary{margin-top:.75rem}.split-current-file{padding:1rem;border:1px solid #e5e7eb;border-radius:.875rem;background-color:#fff}.split-current-file .panel-header{margin-bottom:.75rem}.split-current-file ul{gap:0}.split-current-file .file-item{grid-template-columns:minmax(0,1fr) auto;gap:.875rem;padding:.875rem 0;border:0;border-top:1px solid #e5e7eb;border-radius:0}.split-current-file .file-item:first-child{border-top:0;padding-top:0}.split-current-file .file-order,.split-current-file .file-drag{display:none}.split-current-file .file-info{min-width:0}.split-current-file .file-remove{flex-shrink:0}.current-file-card{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.875rem;align-items:center;padding-top:.75rem;border-top:1px solid #e5e7eb}.current-file-card__info{min-width:0}.current-file-card__name{margin:0 0 .25rem;font-weight:500;overflow-wrap:anywhere}.current-file-card__meta{margin:0;color:#6b7280;font-size:.95rem}.current-file-card__actions{display:flex;align-items:center}.current-file-card-panel .panel-header{margin-bottom:.5rem}.current-file-card-panel .panel-help{margin:.25rem 0 0}.rotate-tool .action-stack{display:grid;gap:.75rem}.rotate-tool .result-message{margin-top:.5rem}@media(min-width:960px){.page{width:min(100% - 2rem,1180px)}.split-workspace-grid{grid-template-columns:minmax(0,1.55fr) minmax(320px,.95fr);gap:2rem}.rotate-workspace-grid{grid-template-columns:minmax(0,1.45fr) minmax(320px,380px);gap:2rem}.split-settings-column,.rotate-settings-column{position:sticky;top:1.5rem;align-self:start}.split-settings-column{max-height:calc(100vh - 2rem);overflow:auto;padding-right:.25rem}.range-row{grid-template-columns:1fr 1fr auto}}@media(max-width:959.98px){.rotate-settings-column{position:static}}.compress-tool{overflow:visible}.compress-workspace-grid{display:grid;gap:1.5rem;align-items:start}.compress-preview-column,.compress-settings-column{min-width:0}.compress-preview-column,.compress-settings-column{display:grid;gap:1.5rem}.compress-analysis-panel,.compress-level-panel,.compress-action-panel,.compress-summary-card,.compress-result-card{padding:1rem;border:1px solid #e5e7eb;border-radius:.875rem;background-color:#fff}.compress-analysis-summary{display:grid;gap:.75rem;margin-top:1rem}.compress-analysis-row{display:flex;justify-content:space-between;gap:1rem}.compress-warning{margin-top:1rem;padding:.875rem 1rem;border:1px solid #fde68a;border-radius:.75rem;background-color:#fffbeb;color:#92400e}.compress-level-help{margin:-.35rem 0 .5rem 1.75rem;color:#6b7280;font-size:.9rem}.compress-summary-card{display:grid;gap:.75rem;margin-top:1rem}.compress-summary-row{display:flex;justify-content:space-between;gap:1rem}.compress-results-grid{display:grid;gap:1rem;margin-top:1rem}.compress-result-card{display:grid;gap:1rem}.compress-result-title{margin:0;font-size:1rem;overflow-wrap:anywhere}.compress-result-stats{display:grid;gap:.75rem;grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}.compress-result-stat{display:grid;gap:.2rem}.compress-result-stat span{color:#6b7280;font-size:.875rem}.compress-result-meta{display:grid;gap:.35rem;color:#4b5563;font-size:.9rem}.compress-result-actions{margin-top:1rem}.compress-result-actions-row{display:flex;justify-content:flex-start}@media(min-width:960px){.compress-workspace-grid{grid-template-columns:minmax(0,1.45fr) minmax(320px,380px);gap:2rem}.compress-settings-column{position:sticky;top:1.5rem;align-self:start}}@media(max-width:959.98px){.compress-settings-column{position:static}}