:root{--font-system: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;--font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--background: #f7f9f7;--surface: #ffffff;--border-color: #e8ede8;--text-primary: #212121;--text-secondary: #212121;--text-muted: #212121;--primary-color: #3f7048;--primary-hover: #446b4b;--success-color: #446b4b;--warning-color: #d4a574;--error-color: #c67373;--drop-zone-hover: #f2f7f2;--shadow: 0 1px 3px rgba(0, 0, 0, .1);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1);--border-radius: .375rem}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-system);font-size:14px;line-height:1.5;color:var(--text-primary);background-color:var(--background);transition:none}h1{font-size:1.5rem;font-weight:600;line-height:1.2;margin-bottom:var(--space-xs)}h2{font-size:1.125rem;font-weight:600;margin-bottom:var(--space-xs)}h3{font-size:.9375rem;font-weight:600;margin-bottom:var(--space-xs)}p{margin-bottom:var(--space-md);line-height:1.6}code{font-family:var(--font-mono);font-size:.875em;background-color:var(--background);padding:.125rem .25rem;border-radius:.25rem}#app{display:flex;flex-direction:column;min-height:100vh}main{flex:1;max-width:48rem;margin:0 auto;padding:var(--space-xl) var(--space-lg);width:100%}header{background-color:var(--surface);border-bottom:1px solid var(--border-color);padding:var(--space-lg) var(--space-lg);box-shadow:0 1px 2px #00000005;text-align:center}.header-content{max-width:64rem;margin:0 auto;padding:0 var(--space-lg)}.subtitle{color:var(--text-secondary);font-size:.875rem;margin:0}.dark-mode-toggle{position:absolute;top:var(--space-md);right:var(--space-md);background:none;border:1px solid var(--border-color);border-radius:var(--border-radius);padding:var(--space-sm);cursor:pointer;color:var(--text-primary);transition:all .3s ease;display:flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem}.dark-mode-toggle:hover{background-color:var(--background);border-color:var(--primary-color);color:var(--primary-color)}.dark-mode-toggle .sun-icon,.dark-mode-toggle .moon-icon{transition:opacity .3s ease,transform .3s ease;position:absolute}.dark-mode-toggle .sun-icon{opacity:1;transform:rotate(0)}.dark-mode-toggle .moon-icon{opacity:0;transform:rotate(-90deg)}body.dark-mode .dark-mode-toggle .sun-icon{opacity:0;transform:rotate(90deg)}body.dark-mode .dark-mode-toggle .moon-icon{opacity:1;transform:rotate(0)}section{background-color:var(--surface);border-radius:var(--border-radius);padding:var(--space-md) var(--space-lg);margin-bottom:var(--space-md);border:1px solid var(--border-color);box-shadow:0 1px 2px #00000005;animation:fadeIn .3s ease-out}section h2{padding-bottom:var(--space-sm);margin-bottom:var(--space-md);border-bottom:1px solid var(--border-color);color:var(--text-primary)}.drop-zone{background-color:var(--surface);border:2px dashed var(--border-color);border-radius:var(--border-radius);padding:var(--space-xl);text-align:center;cursor:pointer;transition:all .2s ease;margin-bottom:var(--space-lg)}.drop-zone:hover{border-color:var(--primary-color);background-color:var(--drop-zone-hover)}.drop-zone.drag-over{border-color:var(--primary-color);background-color:var(--drop-zone-hover);transform:scale(1.01)}.drop-zone.processing{border-color:var(--primary-color);background-color:var(--background);cursor:default}.drop-zone.processing:hover{border-color:var(--primary-color);background-color:var(--background)}.drop-zone-content{pointer-events:none}.upload-icon{color:var(--text-muted);margin-bottom:var(--space-md);width:2.5rem;height:2.5rem}.drop-zone-content p{color:var(--text-secondary);margin-bottom:var(--space-sm);font-size:.875rem}.or-text{color:var(--text-muted);margin:var(--space-sm) 0;font-size:.75rem;text-transform:uppercase;letter-spacing:.05em}.btn{font-family:var(--font-system);font-size:.875rem;font-weight:500;padding:var(--space-sm) var(--space-lg);border-radius:var(--border-radius);border:1px solid var(--border-color);cursor:pointer;transition:all .2s ease;display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);text-decoration:none;line-height:1.5;background-color:var(--surface)}.btn:after{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#ffffff4d;transform:translate(-50%,-50%);transition:width .6s,height .6s}.btn:active:after{width:300px;height:300px}.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-primary{background-color:var(--primary-color);color:#fff;border-color:var(--primary-color)}.btn-primary:hover{background-color:var(--primary-hover);border-color:var(--primary-hover)}.btn-primary:active{transform:translateY(0);box-shadow:0 1px 2px #0000000d}.btn-secondary{background-color:var(--primary-color);color:#fff;border:none}.btn-secondary:hover{background-color:var(--primary-hover);color:#fff}.btn-secondary:active{transform:translateY(0);box-shadow:none}.btn-success{background-color:var(--success-color)!important;color:#fff!important}.button-group{display:flex;gap:var(--space-sm);flex-wrap:wrap;justify-content:center}.button-group .btn{flex:1;min-width:7rem}.sample-section{background-color:var(--background);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:var(--space-md) var(--space-lg);text-align:center;margin-bottom:var(--space-md)}.sample-section h3{font-size:1rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-sm)}.sample-section p{color:var(--text-secondary);margin-bottom:var(--space-md);font-size:.875rem}.credential-info{background-color:var(--surface);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:var(--space-md) var(--space-lg);margin-bottom:var(--space-md);box-shadow:0 1px 2px #00000005}.info-grid{display:grid;gap:var(--space-xs)}.info-item{display:flex;align-items:baseline;gap:var(--space-sm);font-size:.8125rem;padding:.25rem 0}.info-label{font-weight:500;color:var(--text-secondary);min-width:120px;font-size:.75rem;text-transform:uppercase;letter-spacing:.025em}.info-value{color:var(--text-primary);word-break:break-all;font-family:var(--font-mono);font-size:.75rem}.info-value a{color:var(--text-primary);text-decoration:underline}.info-value a:hover{text-decoration:underline}.verification-progress{background-color:var(--surface);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:var(--space-md) var(--space-lg);margin-bottom:var(--space-md);box-shadow:0 1px 2px #00000005}.progress-steps{margin-top:var(--space-md);display:flex;flex-direction:column;gap:var(--space-xs)}.progress-step{display:flex;align-items:flex-start;gap:var(--space-sm);opacity:0;animation:slideIn .3s ease forwards}.step-icon{font-size:.875rem;width:1.25rem;height:1.25rem;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--primary-color)}.step-content{flex:1;font-size:.8125rem}.step-title{font-weight:500;color:var(--text-primary);line-height:1.3}.step-detail{color:var(--text-secondary);font-size:.75rem;margin-top:.125rem;word-break:break-all}.step-detail a{color:var(--primary-color);text-decoration:none}.step-detail a:hover{text-decoration:underline}.progress-step.completed .step-icon{color:var(--success-color)}.progress-step.active .step-icon{color:var(--primary-color)}.spinner{display:inline-block;width:.875rem;height:.875rem;border:2px solid transparent;border-top-color:var(--primary-color);border-radius:50%;animation:spin .8s linear infinite}.result-content{text-align:center;padding:var(--space-md)}.result-icon{width:3rem;height:3rem;margin:0 auto .75rem;animation:scaleIn .3s cubic-bezier(.4,0,.2,1)}.result-success{color:var(--success-color)}.result-error{color:var(--error-color)}.result-warning{color:var(--warning-color)}.check-icon{color:var(--success-color);font-weight:700;font-size:1rem}.warning-icon{color:var(--warning-color);font-weight:700;font-size:1rem}.info-icon{color:var(--primary-color);font-weight:700;font-size:.875rem;font-style:italic}.result-title{font-size:1.125rem;font-weight:600;margin-bottom:var(--space-xs)}.result-message{color:var(--text-secondary);margin-bottom:var(--space-md);font-size:.8125rem;line-height:1.4}.result-details{text-align:left;background-color:var(--background);padding:var(--space-sm) var(--space-md);border-radius:var(--border-radius);margin-top:var(--space-md);border:1px solid var(--border-color)}.detail-item{display:flex;align-items:center;gap:var(--space-sm);margin-bottom:var(--space-xs);font-size:.75rem}.detail-item:last-child{margin-bottom:0}.detail-item span:first-child{font-size:.875rem}footer{background-color:var(--surface);border-top:1px solid var(--border-color);padding:var(--space-lg) 0;margin-top:auto}.footer-content{max-width:48rem;margin:0 auto;padding:0 var(--space-md);text-align:center;color:var(--text-secondary);font-size:.75rem}.footer-content strong{color:var(--text-primary);font-weight:600}.footer-content a{color:var(--primary-color);text-decoration:none;font-weight:500}.footer-content a:hover{text-decoration:underline}.footer-links{margin-top:var(--space-sm);font-size:.75rem}.hidden{display:none!important}.spinner{display:inline-block;width:.875rem;height:.875rem;border:1.5px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}@media (max-width: 640px){header h1{font-size:1.25rem}.subtitle{font-size:.8125rem}section{padding:var(--space-md)}.info-grid{grid-template-columns:1fr}.button-group{flex-direction:column}.button-group .btn{width:100%}}@media (prefers-contrast: high){:root{--primary-color: #4a7a4a;--border-color: #c8d5c8;--text-secondary: #2a4a2a}}.file-input-label{display:inline-block;padding:.5rem 1rem;background-color:var(--primary-color);color:#fff;border-radius:var(--border-radius);cursor:pointer;font-weight:500;font-size:.875rem;transition:all .2s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.file-input-label:after{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#ffffff4d;transform:translate(-50%,-50%);transition:width .6s,height .6s}.file-input-label:active:after{width:200px;height:200px}.file-input-label:hover{background-color:var(--primary-hover);transform:translateY(-1px);box-shadow:0 4px 6px #0000001a}.file-input-label input,input[type=file]{display:none}input[type=text]:focus,input[type=email]:focus,input[type=url]:focus,textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:none}