.pdf-page{max-width:1200px;margin:0 auto;padding:2rem 1rem}.upload-area{border:3px dashed #3b82f6;border-radius:16px;padding:3rem 2rem;cursor:pointer;transition:all .3s;background:linear-gradient(135deg,#eff6ff,#fff);text-align:center}.upload-area:hover,.upload-area.dragover{border-color:#2563eb;background:linear-gradient(135deg,#dbeafe,#eff6ff);transform:translateY(-2px);box-shadow:0 8px 24px #3b82f626}.upload-content{display:flex;flex-direction:column;align-items:center}.upload-icon{font-size:6rem;margin-bottom:1rem;line-height:1}.upload-area h3{margin:.5rem 0;color:#111827;font-size:1.5rem}.upload-area p{color:#6b7280;margin:.5rem 0}.upload-hint{font-size:.875rem;color:#9ca3af}.pdf-page .hero-section{text-align:center;margin-bottom:3rem}.pdf-page .hero-section h1{color:#111827;font-size:2.5rem;margin-bottom:1rem;line-height:1.2}.hero-badges{display:flex;justify-content:center;gap:1rem;flex-wrap:wrap;margin-top:1.5rem}.badge{background:linear-gradient(135deg,#eff6ff,#fff);border:2px solid #3b82f6;border-radius:24px;padding:.5rem 1rem;font-size:.875rem;font-weight:600;color:#111827;white-space:nowrap}.mode-section{margin-bottom:3rem}.mode-section h2{text-align:center;margin-bottom:2rem;color:#111827}.mode-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem}.mode-card{background:#fff;border:2px solid #e5e7eb;border-radius:12px;padding:1.5rem;cursor:pointer;transition:all .3s;text-align:center;position:relative}.mode-card:hover{border-color:#3b82f6;transform:translateY(-4px);box-shadow:0 8px 24px #3b82f633}.mode-card.active{border-color:#3b82f6;background:linear-gradient(135deg,#eff6ff,#fff);box-shadow:0 4px 16px #3b82f626}.mode-icon{font-size:3rem;margin-bottom:.75rem}.mode-card h3{margin:.5rem 0;color:#111827;font-size:1.125rem}.mode-card p{color:#6b7280;font-size:.875rem;margin:.5rem 0}.mode-badge{position:absolute;top:.5rem;right:.5rem;background:#3b82f6;color:#fff;padding:.25rem .5rem;border-radius:4px;font-size:.75rem;font-weight:600}.mode-controls{margin-bottom:2rem}.mode-description{background:#f9fafb;border-left:4px solid #3b82f6;padding:1rem;margin:1rem 0;color:#374151;line-height:1.6}.text-input{width:100%;padding:.75rem;border:1px solid #d1d5db;border-radius:8px;font-size:1rem;font-family:monospace}.text-input:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.range-preview{margin-top:1rem;padding:1rem;background:#f3f4f6;border-radius:8px}.range-preview p{margin:.5rem 0;color:#374151}.range-preview .error{color:#ef4444}.page-selector{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:.75rem;margin-top:1rem}.page-checkbox{display:flex;align-items:center;padding:.75rem;background:#fff;border:1px solid #e5e7eb;border-radius:6px;cursor:pointer;transition:all .2s}.page-checkbox:hover{border-color:#3b82f6;background:#eff6ff}.page-checkbox input[type=checkbox]{margin-right:.5rem;cursor:pointer}.page-checkbox input[type=checkbox]:checked+span{color:#3b82f6;font-weight:600}.pdf-preview{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:1rem}.pdf-page-card{background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:1rem;text-align:center}.page-number{font-size:.875rem;font-weight:600;color:#3b82f6;margin-bottom:.5rem}.page-placeholder{aspect-ratio:1 / 1.414;background:#f9fafb;border:2px dashed #d1d5db;border-radius:4px;display:flex;flex-direction:column;align-items:center;justify-content:center}.page-icon{font-size:2rem;margin-bottom:.5rem}.page-placeholder p{font-size:.75rem;color:#6b7280;margin:0}.results-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1.5rem}.result-card{background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:1.5rem;text-align:center;transition:all .2s}.result-card:hover{box-shadow:0 4px 12px #0000001a;transform:translateY(-2px)}.pdf-icon{font-size:3rem;margin-bottom:.75rem}.result-info{margin-bottom:1rem}.result-info p{margin:.25rem 0;color:#374151}.result-info strong{color:#111827;word-break:break-word}.why-use-section{background:#f9fafb;padding:3rem 2rem;border-radius:12px;margin-bottom:3rem}.why-use-section h2{text-align:center;margin-bottom:2rem;color:#111827}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem}.feature-card{background:#fff;padding:2rem;border-radius:12px;border:1px solid #e5e7eb;text-align:center;transition:all .3s}.feature-card:hover{border-color:#3b82f6;box-shadow:0 4px 16px #3b82f61a;transform:translateY(-4px)}.feature-icon{font-size:3rem;margin-bottom:1rem}.feature-card h3{margin:.5rem 0;color:#111827;font-size:1.125rem}.feature-card p{color:#6b7280;line-height:1.6;margin:.5rem 0 0}.how-it-works-section{margin-bottom:3rem}.how-it-works-section h2{text-align:center;margin-bottom:2rem;color:#111827}.steps-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem}.step-card{background:#fff;border:2px solid #e5e7eb;border-radius:12px;padding:2rem;text-align:center;position:relative;transition:all .3s}.step-card:hover{border-color:#3b82f6;transform:translateY(-4px);box-shadow:0 4px 16px #3b82f61a}.step-number{position:absolute;top:-1rem;left:50%;transform:translate(-50%);background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;width:2.5rem;height:2.5rem;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.25rem}.step-card h3{margin:1rem 0 .5rem;color:#111827}.step-card p{color:#6b7280;line-height:1.6;margin:0;font-size:.875rem}.split-modes-section{background:linear-gradient(135deg,#eff6ff,#fff);border:2px solid #3b82f6;border-radius:12px;padding:3rem 2rem;margin-bottom:3rem}.split-modes-section h2{text-align:center;margin-bottom:1.5rem;color:#111827}.split-modes-content h3{color:#3b82f6;margin-bottom:1.5rem;text-align:center}.modes-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:1.5rem}.mode-info-card{background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:1.25rem;text-align:center;transition:all .3s}.mode-info-card:hover{border-color:#3b82f6;box-shadow:0 2px 8px #3b82f61a}.mode-info-card strong{display:block;color:#111827;margin-bottom:.5rem;font-size:1rem}.mode-info-card p{color:#6b7280;font-size:.875rem;margin:0;line-height:1.5}.modes-note{text-align:center;color:#374151;font-size:.875rem;margin:0;padding:1rem;background:#fff;border-radius:8px}.tips-section{background:#f9fafb;padding:3rem 2rem;border-radius:12px;margin-bottom:3rem}.tips-section h2{text-align:center;margin-bottom:2rem;color:#111827}.tips-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem}.tip-card{background:#fff;padding:1.5rem;border-radius:8px;border:1px solid #e5e7eb}.tip-icon{font-size:2.5rem;margin-bottom:1rem}.tip-card h3{margin:.5rem 0;color:#111827}.tip-card p{color:#6b7280;line-height:1.6;margin:.5rem 0 0}.use-cases-section{margin-bottom:3rem}.use-cases-section h2{text-align:center;margin-bottom:2rem;color:#111827}.use-cases-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem}.use-case-card{background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:1.5rem}.use-case-card h3{margin:0 0 .75rem;color:#111827}.use-case-card p{margin:0;color:#6b7280;line-height:1.6}@media (max-width: 768px){.pdf-page .hero-section h1{font-size:1.75rem}.hero-badges{gap:.5rem}.badge{font-size:.75rem;padding:.4rem .75rem}.upload-icon{font-size:4rem}.upload-area{padding:2rem 1rem}.mode-grid{grid-template-columns:1fr}.page-selector{grid-template-columns:repeat(auto-fill,minmax(100px,1fr))}.pdf-preview{grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}.results-grid,.features-grid,.steps-container,.modes-grid,.tips-grid,.use-cases-grid{grid-template-columns:1fr}.why-use-section,.split-modes-section,.tips-section{padding:2rem 1rem}}