:root{--primary:#4f46e5;--primary-hover:#4338ca;--text:#111827;--text-light:#6b7280;--border:#e5e7eb;--bg-light:#f9fafb;--error:#ef4444;--success:#10b981;--card-shadow:0 4px 6px rgba(0,0,0,0.05);--page-shadow:0 2px 4px rgba(0,0,0,0.1)}*{box-sizing:border-box;margin:0;padding:0}.containert{max-width:94%;margin:100px auto;background:white;border-radius:16px;box-shadow:var(--page-shadow);overflow:hidden}.header-t{padding:32px 24px;border-bottom:1px solid var(--border);text-align:center;background:linear-gradient(135deg,#f8f9fa 0,#fff 100%)}.header-t h1{font-size:2rem;line-height:1.3;margin-bottom:12px;color:var(--primary);font-family:"Noto Sans",sans-serif;font-weight:700;text-align:center}.header-t p{color:var(--text-light);font-size:1rem;font-family:"Work Sans",sans-serif;text-align:center;max-width:80%;margin-left:auto;margin-right:auto}.main-content{padding:32px}#uploadContainer{text-align:center}#dragDropArea{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}#dragDropArea:hover{border-color:var(--primary);background-color:rgba(79,70,229,0.05)}#dragDropArea.drag-over{border-color:var(--primary);background-color:rgba(79,70,229,0.1)}.upload-icon{font-size:56px;color:var(--primary);margin-bottom:20px;display:block}.upload-text{font-size:1.25rem;font-weight:600;color:var(--text);margin-bottom:8px;text-align:center}.upload-hint{font-size:.9rem;color:var(--text-light);margin-bottom:24px;text-align:center}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 28px;border-radius:10px;font-weight:600;cursor:pointer;transition:all .2s ease;border:0;outline:0;font-size:.95rem;gap:8px}.btn-primary{background-color:var(--primary);color:white}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-1px);box-shadow:0 4px 12px rgba(79,70,229,0.3)}.btn-success{background-color:var(--success);color:white}.btn-success:hover{background-color:#0d9488;transform:translateY(-1px)}.btn-secondary{background-color:var(--bg-light);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background-color:var(--border);border-color:var(--primary)}.preview-section{margin-top:32px;animation:fadeIn .3s ease}.preview-container{display:grid;grid-template-columns:1fr 1fr;gap:24px}.preview-box{background:white;border-radius:12px;border:1px solid var(--border);overflow:hidden;box-shadow:var(--card-shadow)}.preview-header{display:flex;align-items:center;gap:10px;padding:16px;background-color:var(--bg-light);border-bottom:1px solid var(--border)}.preview-header i{font-size:20px;color:var(--primary)}.preview-header h3{font-size:1rem;font-weight:600;color:var(--text);margin:0}.preview-content{padding:20px;text-align:center;background-color:#f8f9fa;min-height:400px;display:flex;align-items:center;justify-content:center}canvas{max-width:100%;height:auto;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,0.1)}.download-section{display:flex;justify-content:center;gap:16px;margin-top:32px;padding-top:24px;border-top:1px solid var(--border)}.loading-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:rgba(0,0,0,0.7);z-index:9999;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:20px}.loading-spinner{width:50px;height:50px;border:4px solid #f3f3f3;border-top:4px solid var(--primary);border-radius:50%;animation:spin 1s linear infinite}.loading-text{color:white;font-size:1rem;font-weight:500}.toast{position:fixed;bottom:30px;right:30px;padding:16px 24px;border-radius:12px;display:flex;align-items:center;gap:12px;z-index:10000;box-shadow:0 4px 20px rgba(0,0,0,0.15);animation:slideIn .3s ease forwards}.toast.success{background:linear-gradient(135deg,var(--success) 0,#0d9488 100%);color:white}.toast.error{background:linear-gradient(135deg,var(--error) 0,#dc2626 100%);color:white}.toast.info{background:linear-gradient(135deg,var(--primary) 0,var(--primary-hover) 100%);color:white}.toast-icon{font-size:1.2rem;font-weight:bold}.toast-message{font-size:.9rem;font-weight:500}.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;color:#333;line-height:1.3;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:40px;background-color:#f8f9fa;border-radius:16px;border:1px solid #e9ecef;line-height:1.7;color:#333;box-shadow:0 4px 10px rgba(0,0,0,0.05)}.content-wrapper h2{font-size:2rem;font-weight:700;color:var(--primary);margin-top:40px;margin-bottom:20px}.content-wrapper h2:first-child{margin-top:0}.content-wrapper h3{font-size:1.3rem;font-weight:600;color:var(--primary);margin-top:30px;margin-bottom:15px}.content-wrapper p{font-size:1rem;margin-bottom:1.5em;line-height:1.7;color:#555}.content-wrapper ul{list-style:none;padding-left:0;margin-bottom:2em}.content-wrapper ul li{position:relative;padding-left:30px;margin-bottom:15px;font-size:1rem;color:#444}.content-wrapper ul li i{position:absolute;left:0;top:4px;color:var(--success);font-size:1.1rem}.content-wrapper a{color:var(--primary);text-decoration:underline;font-weight:500}.content-wrapper a:hover{color:var(--primary-hover)}@keyframes spin{0{transform:rotate(0)}100%{transform:rotate(360deg)}}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}@media(max-width:1024px){.containert{max-width:96%;margin:80px auto}.preview-container{gap:16px}}@media(max-width:768px){.containert{max-width:100%;margin:60px 16px;border-radius:12px}.main-content{padding:20px}.header-t h1{font-size:1.5rem}.header-t p{font-size:.9rem;max-width:95%}#dragDropArea{padding:40px 20px}.upload-icon{font-size:48px}.upload-text{font-size:1.1rem}.preview-container{grid-template-columns:1fr;gap:20px}.download-section{flex-direction:column}.download-section .btn{width:100%}.steps-grid{grid-template-columns:1fr;gap:20px}.how-to-section-wrapper h2{font-size:1.8rem}.content-wrapper{margin:40px 16px;padding:24px}.content-wrapper h2{font-size:1.5rem}.content-wrapper h3{font-size:1.2rem}.toast{bottom:20px;right:20px;left:20px;max-width:calc(100% - 40px)}}@media(max-width:480px){.header-t{padding:20px 16px}.header-t h1{font-size:1.3rem}.main-content{padding:16px}#dragDropArea{padding:30px 16px}.upload-icon{font-size:40px}.upload-text{font-size:1rem}.upload-hint{font-size:.8rem}.btn{padding:10px 20px;font-size:.85rem}.preview-content{min-height:300px;padding:16px}.step-card{padding:20px}.step-card h3{font-size:1.1rem}.step-card p{font-size:.9rem}.content-wrapper{padding:20px}.content-wrapper ul li{font-size:.9rem;padding-left:25px}}.text-center{text-align:center}.mt-20{margin-top:20px}.mb-20{margin-bottom:20px}.hidden{display:none}#file-input{display:none}