: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)}*{box-sizing:border-box;margin:0;padding:0;font-family:'Segoe UI',system-ui,-apple-system,sans-serif}.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:white}.header-t h1{font-size:2.2rem;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:1.05rem;max-width:700px;margin:0 auto;font-family:"Noto Sans",sans-serif;text-align:center}.main-content{padding:32px}.upload-section{text-align:center;padding:48px;border:2px dashed var(--border);border-radius:12px;background-color:var(--bg-light);transition:all .3s ease;margin-bottom:24px;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center}.upload-section.active{border-color:var(--primary);background-color:rgba(79,70,229,0.05)}.upload-icon{font-size:56px;color:var(--primary);margin-bottom:20px;display:block}.upload-text{font-size:1.25rem;color:var(--text);margin-bottom:12px;font-weight:500;text-align:center}.upload-hint{font-size:.95rem;color:var(--text-light);margin-bottom:24px;text-align:center}.btn-upload{display:inline-flex;align-items:center;justify-content:center;padding:14px 28px;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s ease;background-color:var(--primary);color:white;border:0;outline:0;font-size:1rem;gap:10px}.btn-upload:hover{background-color:var(--primary-hover)}#pdf-upload{display:none}.file-info{display:none;background:white;border-radius:12px;padding:20px;margin-bottom:24px;border:1px solid var(--border);align-items:center;gap:20px}.file-icon{font-size:2.5rem;color:var(--primary)}.file-details{flex:1}.file-name{font-weight:600;margin-bottom:5px;word-break:break-all}.file-size{color:var(--text-light);font-size:.9rem}.file-remove{background:0;border:0;color:var(--error);cursor:pointer;font-size:1.2rem}.options-section{display:none;background:white;border-radius:12px;padding:24px;margin-bottom:24px;border:1px solid var(--border)}.options-title{font-size:1.2rem;font-weight:600;margin-bottom:20px;color:var(--text);display:flex;align-items:center;gap:10px}.options-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}.option-group{margin-bottom:15px}.option-label{display:block;margin-bottom:8px;font-weight:500;color:var(--text)}.option-select,.option-input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:.95rem;background-color:white;transition:all .2s ease}.option-select:focus,.option-input:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,0.1)}.option-range{width:100%;margin-top:10px}.range-value{display:inline-block;margin-left:10px;font-size:.9rem;color:var(--text-light)}.option-checkbox{display:flex;align-items:center;gap:8px;margin-top:10px}.option-checkbox input{width:16px;height:16px}.preview-section{display:none;margin-bottom:24px}.preview-container{display:flex;gap:20px;margin-top:20px}.preview-nav{display:flex;flex-direction:column;gap:10px;min-width:200px}.preview-nav-item{padding:10px 15px;border-radius:6px;cursor:pointer;transition:all .2s ease;border:1px solid var(--border);background:white}.preview-nav-item:hover{border-color:var(--primary)}.preview-nav-item.active{background-color:var(--primary);color:white;border-color:var(--primary)}.preview-image-container{flex:1;border:1px solid var(--border);border-radius:8px;background:white;padding:20px;display:flex;align-items:center;justify-content:center;min-height:500px}.preview-image{max-width:100%;max-height:100%;box-shadow:0 2px 10px rgba(0,0,0,0.1)}.action-buttons{display:none;justify-content:center;gap:20px;margin-top:32px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 28px;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s ease;border:0;outline:0;font-size:1rem;gap:10px}.btn-primary{background-color:var(--primary);color:white}.btn-primary:hover{background-color:var(--primary-hover)}.btn-secondary{background-color:var(--secondary);color:var(--text)}.btn-secondary:hover{background-color:#e5e7eb}.btn-success{background-color:var(--success);color:white}.btn-success:hover{background-color:#0d9f6e}.btn-warning{background-color:var(--warning);color:white}.btn-warning:hover{background-color:#e67e22}.loading{display:none;margin:24px 0;text-align:center;color:var(--primary)}.loading-spinner{animation:spin 1s linear infinite;font-size:2.5rem}.progress-container{width:100%;background-color:var(--border);border-radius:8px;margin:20px 0;display:none}.progress-bar{height:10px;border-radius:8px;background-color:var(--primary);width:0;transition:width .3s ease}.error-message{display:none;padding:16px;background-color:#fee2e2;color:var(--error);border-radius:8px;margin-bottom:24px;text-align:center;font-weight:500}.toast{position:fixed;bottom:20px;right:20px;padding:16px 24px;border-radius:8px;background-color:var(--primary);color:white;font-weight:500;box-shadow:0 4px 12px rgba(0,0,0,0.15);transform:translateY(100px);opacity:0;transition:all .3s ease;z-index:1000}.toast.show{transform:translateY(0);opacity:1}.toast.error{background-color:var(--error)}.toast.success{background-color:var(--success)}@keyframes spin{0{transform:rotate(0)}100%{transform:rotate(360deg)}}@media(max-width:768px){.containert{margin:20px auto;border-radius:0;max-width:95%}.header-t{padding:20px 15px}.header-t h1{font-size:1.5rem}.header-t p{font-size:.9rem}.main-content{padding:20px}.upload-section{padding:30px 20px}.options-grid{grid-template-columns:1fr}.preview-container{flex-direction:column}.preview-nav{flex-direction:row;overflow-x:auto;padding-bottom:10px;min-width:auto}.preview-nav-item{min-width:60px;text-align:center}}.how-to-section-wrapper{max-width:1200px;margin:40px 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)}.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 auto;padding:20px;font-family:'Noto Sans',sans-serif;line-height:1.7;color:#333}.content-wrapper h2{font-size:2rem;color:#4f46e5;margin-top:40px;margin-bottom:15px;border-bottom:2px solid #e5e7eb;padding-bottom:10px}.content-wrapper h3{font-size:1.4rem;margin-top:25px;margin-bottom:10px;color:#222}.content-wrapper p{margin-bottom:18px;font-size:1rem}.content-wrapper ul{list-style:none;padding:0;margin-bottom:20px}.content-wrapper ul li{position:relative;padding-left:30px;margin-bottom:12px;font-size:1rem}.content-wrapper ul li i{position:absolute;left:0;top:4px;color:#10b981;font-size:1.1em}.content-wrapper a{color:#4f46e5;font-weight:bold;text-decoration:none}.content-wrapper a:hover{color:#4338ca;text-decoration:underline}@media(max-width:768px){.content-wrapper{padding:15px}.content-wrapper h2{font-size:1.6rem}.content-wrapper h3{font-size:1.2rem}}