@keyframes pulse{0{opacity:1}50%{opacity:0}100%{opacity:1}}@keyframes spin{0{transform:rotate(0)}100%{transform:rotate(360deg)}}.heart-animation{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:1000;display:none;animation:pulse 1s ease-in-out}.page-input{display:inline-block;width:70px;padding:8px 12px;margin:0 5px;border:1px solid var(--border);border-radius:6px;font-size:14px;text-align:center}.button-container{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;margin-bottom:20px}.btn-tool{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border-radius:8px;font-weight:600;cursor:pointer;transition:var(--transition);border:1px solid var(--border);background-color:white;color:var(--text);font-size:14px;gap:8px}.btn-tool:disabled{opacity:.5;cursor:not-allowed}.btn-tool.btn-primary{background-color:var(--primary);color:white;border:0}.btn-tool.btn-primary:hover:not(:disabled){background-color:var(--primary-hover)}.btn-tool.btn-success{background-color:var(--success);color:white;border:0}.btn-tool.btn-success:hover:not(:disabled){background-color:#0d9488}.btn-tool.btn-download{background-color:#0d47a1;color:white;border:0}.btn-tool.btn-download:hover:not(:disabled){background-color:#0a3578}.canvas-container{margin:20px auto;max-width:100%;text-align:center;display:none}.canvas-wrapper{position:relative;display:inline-block;max-width:100%;overflow:auto;border:1px solid var(--border);border-radius:8px;background-color:#f9f9f9;padding:20px}canvas{max-width:100%;height:auto;display:block;margin:0 auto;background-color:white;box-shadow:0 0 10px rgba(0,0,0,0.1)}.tool-section{margin:20px 0;padding:20px;border:1px solid #eee;border-radius:10px;background-color:white;display:none}.tool-section h3{margin-top:0;margin-bottom:20px;color:#283448;font-size:1.3rem}:root{--primary:#4f46e5;--primary-hover:#4338ca;--secondary:#f3f4f6;--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:85%;margin:100px auto;background:white;border-radius:16px;box-shadow:var(--page-shadow);overflow:hidden}.header-t{padding:24px;border-bottom:1px solid var(--border);text-align:center;background:linear-gradient(135deg,#667eea 0,#764ba2 100%);color:white}.header-t h1{font-size:2rem;margin-bottom:12px;font-weight:700;line-height:1.6;color:white;text-align:center}.header-t p{color:rgba(255,255,255,0.9);font-size:1rem;text-align:center;max-width:80%;margin-left:auto;margin-right:auto}.main-content{padding:24px;display:flex;flex-direction:column;gap:24px}.upload-section{text-align:center;padding:48px 32px;border:2px dashed var(--border);border-radius:12px;background-color:var(--bg-light);transition:var(--transition);cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center}.upload-section:hover{border-color:var(--primary);background-color:rgba(79,70,229,0.05)}.upload-section.drag-over{border-color:var(--primary);background-color:rgba(79,70,229,0.1)}.upload-icon{font-size:56px;color:var(--primary);margin-bottom:16px;display:block}.upload-text{font-size:1.25rem;color:var(--text);margin-bottom:8px;font-weight:600;text-align:center}.upload-hint{font-size:.95rem;color:var(--text-light);margin-bottom:24px;text-align:center}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;border-radius:8px;font-weight:600;cursor:pointer;transition:var(--transition);border:0;outline:0;font-size:1rem;gap:8px}.btn-primary{background-color:var(--primary);color:white}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-2px);box-shadow:0 4px 12px rgba(79,70,229,0.3)}#pdf-upload{display:none}.loading{display:none;text-align:center;padding:40px;background-color:rgba(255,255,255,0.9);border-radius:12px}.loading i{font-size:48px;color:var(--primary);margin-bottom:16px}.loading div{color:var(--text);font-size:1rem;margin-top:12px}.error-message{display:none;padding:16px;background-color:#fee2e2;color:var(--error);border-radius:8px;margin-bottom:24px;text-align:center;font-weight:500;border-left:4px solid var(--error)}.custom-toast{position:fixed;bottom:20px;right:20px;padding:12px 24px;border-radius:8px;background:#4f46e5;color:white;font-weight:500;z-index:9999;opacity:0;transform:translateY(100px);transition:all .3s ease;box-shadow:0 4px 12px rgba(0,0,0,0.15)}.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:2.2rem;line-height:1.6;color:#333;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,box-shadow .3s ease}.step-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(0,0,0,0.1)}.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}.step-card p{color:#666;line-height:1.6;font-size:1rem;margin:0}.content-wrapper{max-width:1200px;margin:60px auto;padding:0 20px;font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;line-height:1.7;color:#333}.content-wrapper h2{font-size:2rem;margin:40px 0 20px;color:#0d47a1;font-weight:700;text-align:left}.content-wrapper h3{font-size:1.3rem;margin:25px 0 15px;font-weight:600;color:#222}.content-wrapper p{margin-bottom:20px;font-size:1rem;color:#555}.content-wrapper ul{margin:15px 0 25px 25px}.content-wrapper li{margin-bottom:12px;font-size:1rem;color:#444}.content-wrapper a{color:#0d47a1;text-decoration:none;font-weight:600;transition:all .2s ease}.content-wrapper a:hover{text-decoration:underline;color:#2e59d9}.feature-icon{color:#0d47a1;margin-right:10px;width:20px;text-align:center}@media(max-width:768px){.containert{max-width:95%;margin:60px auto}.header-t h1{font-size:1.5rem}.header-t p{max-width:95%}.main-content{padding:16px}.upload-section{padding:32px 20px}.button-container{flex-direction:column;width:100%}.btn-tool{width:100%}.steps-grid{grid-template-columns:1fr;gap:20px}.content-wrapper{padding:0 15px;margin:40px auto}.content-wrapper h2{font-size:1.7rem;margin:30px 0 15px}.content-wrapper h3{font-size:1.2rem;margin:20px 0 12px}.content-wrapper p{font-size:.95rem;margin-bottom:16px}.content-wrapper ul{margin:12px 0 20px 20px}.content-wrapper li{font-size:.95rem}.canvas-wrapper{padding:10px}}@media(max-width:480px){.containert{max-width:100%;margin:20px;border-radius:12px}.header-t h1{font-size:1.3rem}.header-t p{font-size:.85rem}.upload-text{font-size:1rem}.upload-hint{font-size:.85rem}.btn{padding:10px 20px;font-size:.9rem}.content-wrapper h2{font-size:1.5rem}.content-wrapper h3{font-size:1.1rem}.content-wrapper ul{margin-left:15px}.step-card{padding:20px}.step-card h3{font-size:1.1rem}.step-card p{font-size:.9rem}}