:root{--primary:#4f46e5;--primary-hover:#4338ca;--secondary:#f3f4f6;--secondary-hover:#e5e7eb;--text:#111827;--text-light:#6b7280;--border:#e5e7eb;--bg-light:#f9fafb;--error:#ef4444;--success:#10b981;--warning:#f59e0b;--card-shadow:0 4px 6px rgba(0,0,0,0.05);--page-shadow:0 2px 4px rgba(0,0,0,0.1);--transition:all .3s cubic-bezier(0.25,0.8,0.25,1)}*{box-sizing:border-box;margin:0;padding:0}.containert{max-width:1200px;margin:100px auto;background:white;border-radius:16px;box-shadow:var(--page-shadow);overflow:hidden}.header-t{padding:32px;border-bottom:1px solid var(--border);text-align:center;background:white}.header-t h1{font-size:2rem;margin-bottom:12px;font-weight:700;line-height:1.6;color:var(--primary);font-family:"Noto Sans",sans-serif;text-align:center}.header-t p{color:var(--text-light);font-size:1rem;font-family:"Noto Sans",sans-serif;text-align:center;max-width:80%;margin-left:auto;margin-right:auto}.main-content{padding:32px}.upload-section{text-align:center;padding:60px 40px;border:2px dashed var(--border);border-radius:16px;background-color:var(--bg-light);transition:all .3s ease;margin-bottom:24px;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center}.upload-section:hover{border-color:var(--primary);background-color:rgba(79,70,229,0.03)}.upload-section.drag-over{border-color:var(--primary);background-color:rgba(79,70,229,0.1);transform:scale(1.01)}.upload-section.active{border-color:var(--primary);background-color:rgba(79,70,229,0.05)}.upload-section.hidden{display:none}.upload-icon{font-size:56px;color:var(--primary);margin-bottom:20px;display:block}.upload-text{font-size:1.25rem;color:var(--text);margin-bottom:8px;font-weight:500;text-align:center}.upload-hint{font-size:.9rem;color:var(--text-light);margin-bottom:16px;text-align:center}.supported-formats{font-size:.8rem;color:var(--text-light);margin-top:8px;text-align:center}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;border-radius:10px;font-weight:600;cursor:pointer;transition:var(--transition);border:0;outline:0;font-size:.95rem;gap:8px}.btn-primary{background-color:var(--primary);color:white}.btn-primary:hover:not(:disabled){background-color:var(--primary-hover);transform:translateY(-2px);box-shadow:0 4px 12px rgba(79,70,229,0.3)}.btn-secondary{background-color:var(--secondary);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background-color:var(--secondary-hover);transform:translateY(-2px)}.btn-success{background-color:var(--success);color:white}.btn-success:hover:not(:disabled){background-color:#059669;transform:translateY(-2px);box-shadow:0 4px 12px rgba(16,185,129,0.3)}.btn-outline{background-color:transparent;color:var(--primary);border:1px solid var(--primary)}.btn-outline:hover:not(:disabled){background-color:rgba(79,70,229,0.1);transform:translateY(-2px)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.action-buttons{display:flex;justify-content:center;gap:16px;margin-top:24px;flex-wrap:wrap}.action-buttons .btn{min-width:160px}.file-preview{display:none;text-align:center;margin-bottom:24px;animation:fadeIn .3s ease}.file-preview.visible{display:block}.file-info{background:white;border-radius:12px;padding:20px;border:1px solid var(--border);max-width:500px;margin:0 auto 20px;box-shadow:var(--card-shadow)}.file-icon{font-size:48px;color:var(--primary);margin-bottom:16px}.file-name{font-weight:600;margin-bottom:8px;word-break:break-all}.file-size{color:var(--text-light);font-size:.9rem}.preview-container{display:none;grid-template-columns:1fr 1fr;gap:24px;margin:24px 0}.preview-container.visible{display:grid}@media(max-width:768px){.preview-container{grid-template-columns:1fr}}.preview-box{border:1px solid var(--border);border-radius:12px;padding:16px;background:white;box-shadow:var(--card-shadow)}.preview-title{font-size:1rem;font-weight:600;margin-bottom:12px;color:var(--primary);display:flex;align-items:center;gap:8px}.preview-image-container{height:250px;overflow:auto;border:1px solid var(--border);border-radius:8px;background:var(--bg-light);display:flex;align-items:center;justify-content:center;padding:16px}.preview-image{max-width:100%;max-height:100%;object-fit:contain}.output-section{display:none;background:var(--bg-light);border-radius:12px;padding:24px;margin:24px 0;border:1px solid var(--border);animation:fadeIn .3s ease}.output-section.visible{display:block}.output-title{font-size:1.1rem;margin-bottom:16px;color:var(--primary);font-weight:600;display:flex;align-items:center;gap:10px}.output-textarea{width:100%;min-height:180px;padding:16px;border:1px solid var(--border);border-radius:8px;font-family:monospace;font-size:.85rem;resize:vertical;background:white}.output-info{display:flex;justify-content:space-between;align-items:center;margin:16px 0;font-size:.85rem;color:var(--text-light);flex-wrap:wrap;gap:10px}.output-actions{display:flex;gap:12px;flex-wrap:wrap}.format-options{display:none;background:var(--bg-light);border-radius:12px;padding:20px;margin-bottom:24px;border:1px solid var(--border);animation:fadeIn .3s ease}.format-options.visible{display:block}.options-title{font-size:1rem;margin-bottom:16px;color:var(--primary);font-weight:600;display:flex;align-items:center;gap:10px}.options-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px}.option-group{margin-bottom:0}.option-label{display:block;margin-bottom:8px;font-weight:500;color:var(--text);font-size:.85rem}.option-select{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:white;font-size:.9rem}.loading{display:none;text-align:center;padding:40px;background:var(--bg-light);border-radius:12px;margin:20px 0}.loading i{font-size:48px;color:var(--primary);margin-bottom:16px}.loading p{color:var(--text-light);font-size:.9rem}.error-message{display:none;padding:16px;background-color:#fee2e2;color:var(--error);border-radius:8px;margin:20px 0;text-align:center;font-weight:500;border-left:4px solid var(--error)}.toast{position:fixed;bottom:20px;right:20px;padding:12px 24px;border-radius:8px;background:var(--primary);color:white;font-weight:500;box-shadow:0 4px 12px rgba(0,0,0,0.15);opacity:0;transform:translateY(100px);transition:var(--transition);z-index:1000}@media(max-width:480px){.toast{left:20px;right:20px;text-align:center}}.toast.show{opacity:1;transform:translateY(0)}.toast.error{background-color:var(--error)}.toast.success{background-color:var(--success)}.how-to-section-wrapper{max-width:1200px;margin:60px auto;padding:0 20px}.how-to-section-wrapper h2{font-family:'Space Grotesk',sans-serif;text-align:center;font-size:2rem;color:#333;line-height:1.6;margin-bottom:40px}.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.step-card{background-color:#fff;padding:30px;border-radius:12px;border:1px solid #e9ecef;text-align:left;box-shadow:0 5px 15px rgba(0,0,0,0.05);transition:transform .3s ease}.step-card:hover{transform:translateY(-5px)}.step-card .step-number{font-size:1.5rem;font-weight:700;color:#fff;background-color:#0d47a1;width:45px;height:45px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:20px}.step-card h3{font-family:'Space Grotesk',sans-serif;font-size:1.3rem;margin-bottom:10px;color:#222;line-height:1.6}.step-card p{color:#666;line-height:1.6;font-size:1rem;margin:0}@media(max-width:768px){.steps-grid{grid-template-columns:1fr}}.content-wrapper{max-width:1200px;margin:60px 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40px;padding:40px;background:linear-gradient(135deg,#f6f9fc 0,#e9f2fa 100%);border-radius:16px;text-align:center;border-left:5px solid var(--primary)}.conclusion-section h2{font-size:1.8rem;color:var(--primary);margin-bottom:20px;font-family:'Space Grotesk',sans-serif}.conclusion-section p{font-size:1rem;line-height:1.7;margin-bottom:25px;color:var(--text)}.conclusion-cta{margin-top:30px}@media(max-width:768px){.conclusion-section{padding:25px 20px;margin:40px 20px 30px}.conclusion-section h2{font-size:1.5rem}}@media(max-width:1024px){.containert{max-width:95%;margin:80px auto}}@media(max-width:768px){.containert{margin:60px auto;border-radius:12px}.header-t{padding:24px}.header-t h1{font-size:1.5rem}.header-t p{max-width:95%}.main-content{padding:24px}.upload-section{padding:40px 20px}.upload-icon{font-size:40px}.upload-text{font-size:1rem}.action-buttons{flex-direction:column;align-items:center}.action-buttons .btn{width:100%;max-width:250px;justify-content:center}.output-info{flex-direction:column;align-items:flex-start}.output-actions{width:100%;justify-content:center}.options-grid{grid-template-columns:1fr}}@media(max-width:480px){.header-t h1{font-size:1.25rem}.main-content{padding:16px}.upload-section{padding:30px 16px}.preview-image-container{height:180px}.output-textarea{min-height:150px;font-size:.75rem}}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}@media(prefers-color-scheme:dark){:root{--primary:#6366f1;--secondary:#374151;--text:#f9fafb;--text-light:#9ca3af;--border:#4b5563;--bg-light:#1f2937}body{background-color:#111827}.containert{background:#1f2937}.header-t{background:#1f2937;border-bottom-color:#4b5563}.upload-section{background-color:#1f2937}.file-info{background:#1f2937}.preview-box{background:#1f2937}.preview-image-container{background:#1f2937}.output-section{background:#1f2937}.output-textarea{background:#1f2937;color:#f9fafb;border-color:#4b5563}.format-options{background:#1f2937}.option-select{background:#1f2937;color:#f9fafb;border-color:#4b5563}.step-card{background:#1f2937;border-color:#374151}.step-card h3{color:#f9fafb}.step-card p{color:#9ca3af}.content-wrapper{background:#1f2937;border-color:#374151;color:#e5e7eb}.content-wrapper h2{color:#818cf8}.content-wrapper p,.content-wrapper ul li{color:#9ca3af}.conclusion-section{background:#1f2937}.conclusion-section p{color:#9ca3af}}@media print{.upload-section,.format-options,.action-buttons,.how-to-section-wrapper,.content-wrapper,.conclusion-section{display:none !important}.preview-container,.output-section{display:block !important}.containert{margin:0;padding:0;max-width:100%;box-shadow:none}}.btn:focus-visible,.option-select:focus-visible,.output-textarea:focus-visible{outline:2px solid var(--primary);outline-offset:2px}