:root{--color-success: #10b981;--color-success-bg: #ecfdf5;--color-success-border: #6ee7b7;--color-error: #ef4444;--color-error-bg: #fef2f2;--color-error-border: #fca5a5;--color-loading: #3b82f6;--color-loading-bg: #eff6ff;--color-loading-border: #93c5fd;--color-neutral-50: #fafafa;--color-neutral-100: #f5f5f5;--color-neutral-200: #e5e5e5;--color-neutral-600: #525252;--color-neutral-800: #262626;--space-xs: .5rem;--space-sm: .75rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--line-height-tight: 1.25;--line-height-normal: 1.5;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1)}.result-banner{border-radius:var(--radius-lg);padding:var(--space-lg);margin-top:var(--space-xl);border:2px solid;outline:none;box-shadow:var(--shadow-md)}.result-banner:focus{outline:2px solid var(--color-loading);outline-offset:2px}.result-banner--success{background-color:var(--color-success-bg);border-color:var(--color-success-border);color:var(--color-neutral-800)}.result-banner--error{background-color:var(--color-error-bg);border-color:var(--color-error-border);color:var(--color-neutral-800)}.result-banner--loading{background-color:var(--color-loading-bg);border-color:var(--color-loading-border);color:var(--color-neutral-800)}.result-banner__content{display:flex;align-items:flex-start;gap:var(--space-md)}.result-banner__icon{font-size:var(--font-size-xl);font-weight:700;flex-shrink:0;margin-top:.125rem}.result-banner--success .result-banner__icon{color:var(--color-success)}.result-banner--error .result-banner__icon{color:var(--color-error)}.result-banner__title{font-size:var(--font-size-lg);font-weight:600;margin:0 0 var(--space-xs) 0;line-height:var(--line-height-tight)}.result-banner__message{font-size:var(--font-size-base);margin:0;line-height:var(--line-height-normal);color:var(--color-neutral-600)}.result-banner__spinner{width:1.25rem;height:1.25rem;border:2px solid var(--color-loading-border);border-top:2px solid var(--color-loading);border-radius:50%;animation:spin 1s linear infinite;flex-shrink:0;margin-top:.125rem}@keyframes spin{to{transform:rotate(360deg)}}.result-banner__details{margin-top:var(--space-lg);border-top:1px solid var(--color-neutral-200);padding-top:var(--space-lg)}.result-banner__details-toggle{font-size:var(--font-size-sm);font-weight:500;color:var(--color-neutral-600);cursor:pointer;outline:none;border-radius:var(--radius-sm);padding:var(--space-xs);margin:calc(-1 * var(--space-xs))}.result-banner__details-toggle:focus{outline:2px solid var(--color-loading);outline-offset:2px}.result-banner__details-toggle:hover{color:var(--color-neutral-800)}.result-banner__details-content{font-size:var(--font-size-sm);background-color:var(--color-neutral-50);border:1px solid var(--color-neutral-200);border-radius:var(--radius-sm);padding:var(--space-md);margin-top:var(--space-sm);overflow-x:auto;white-space:pre-wrap;word-break:break-word}:root{--color-primary: #2563eb;--color-success: #16a34a;--color-warning: #ea580c;--color-error: #dc2626;--color-gray-50: #f9fafb;--color-gray-100: #f3f4f6;--color-gray-200: #e5e7eb;--color-gray-300: #d1d5db;--color-gray-500: #6b7280;--color-gray-700: #374151;--color-gray-800: #1f2937;--color-gray-900: #111827}*{box-sizing:border-box}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background-color:var(--color-gray-50);color:var(--color-gray-900);line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:2rem}.header{text-align:center;margin-bottom:3rem}.header h1{font-size:2.5rem;font-weight:700;color:var(--color-gray-900);margin:0 0 .5rem}.header p{font-size:1.125rem;color:var(--color-gray-500);margin:0 0 1.5rem}.header-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.cta-button{display:inline-block;padding:.75rem 1.5rem;border-radius:.5rem;text-decoration:none;font-weight:600;font-size:.875rem;transition:all .2s ease;border:1px solid transparent}.cta-button.secondary{background:#fff;color:var(--color-gray-700);border-color:var(--color-gray-300)}.cta-button.primary{background:var(--color-primary);color:#fff;border:none;cursor:pointer}.cta-button.primary:hover:not(:disabled){background:#1d4ed8;transform:translateY(-1px)}.cta-button.primary:disabled{opacity:.6;cursor:not-allowed}.cta-button.secondary:hover{background:var(--color-gray-50);border-color:var(--color-gray-400);transform:translateY(-1px)}.try-sample-section{text-align:center;margin-bottom:2rem;padding:1.5rem;background:#fff;border-radius:1rem;border:1px solid var(--color-gray-200)}.try-sample-section h3{margin:0 0 .5rem;font-size:1.25rem;font-weight:600;color:var(--color-gray-800)}.try-sample-section p{margin:0 0 1rem;color:var(--color-gray-500)}.try-sample-actions{display:flex;flex-direction:column;align-items:center;gap:1rem}.download-links{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.download-links span{color:var(--color-gray-500);font-size:.875rem}.sample-link{color:var(--color-primary);text-decoration:none;font-weight:500;font-size:.875rem;padding:.25rem .5rem;border-radius:.25rem;transition:background-color .2s ease}.sample-link:hover{background:var(--color-gray-100);text-decoration:underline}.dropzone{border:2px dashed var(--color-gray-300);border-radius:1rem;padding:3rem 2rem;text-align:center;transition:all .2s ease;background:#fff;cursor:pointer}.dropzone:hover{border-color:var(--color-primary);background:var(--color-gray-50)}.dropzone.drag-over{border-color:var(--color-primary);background:#eff6ff;transform:scale(1.02)}.dropzone-icon{font-size:3rem;margin-bottom:1rem;color:var(--color-gray-400)}.dropzone.drag-over .dropzone-icon{color:var(--color-primary)}.dropzone h3{font-size:1.25rem;font-weight:600;margin:0 0 .5rem;color:var(--color-gray-700)}.dropzone p{color:var(--color-gray-500);margin:0}.dropzone small{display:block;margin-top:.5rem;color:var(--color-gray-400);font-size:.875rem}.verification-result{margin-top:2rem;padding:2rem;border-radius:1rem;background:#fff;box-shadow:0 1px 3px #0000001a}.verification-result.pass{border-left:4px solid var(--color-success)}.verification-result.fail{border-left:4px solid var(--color-error)}.verification-result.warning{border-left:4px solid var(--color-warning)}.result-header{display:flex;align-items:center;margin-bottom:1.5rem}.result-icon{font-size:2rem;margin-right:1rem}.result-header h3{margin:0;font-size:1.5rem;font-weight:600}.result-details{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.detail-item{padding:1rem;background:var(--color-gray-50);border-radius:.5rem}.detail-item label{display:block;font-size:.875rem;font-weight:600;color:var(--color-gray-500);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.25rem}.detail-item .value{font-family:Monaco,Menlo,Ubuntu Mono,monospace;font-size:.875rem;color:var(--color-gray-800);word-break:break-all}.detail-item .value.hash{font-size:.75rem}.key-status{display:inline-block;padding:.25rem .75rem;border-radius:9999px;font-size:.75rem;font-weight:600;text-transform:uppercase}.key-status.active{background:#dcfce7;color:#166534}.key-status.revoked{background:#fecaca;color:#991b1b}.key-status.unknown{background:#fef3c7;color:#92400e}.steps-section{margin-top:1.5rem}.steps-section h4{margin:0 0 1rem;color:var(--color-gray-700);font-size:1.125rem;font-weight:600}.step-item{padding:.75rem;background:#fff;border:1px solid var(--color-gray-200);border-radius:.5rem;margin-bottom:.5rem}.step-item:last-child{margin-bottom:0}.step-item .step-description{font-weight:500;color:var(--color-gray-700)}.step-item .step-meta{font-size:.875rem;color:var(--color-gray-500);margin-top:.25rem}.loading{text-align:center;padding:2rem;color:var(--color-gray-500)}.error{padding:1rem;background:#fef2f2;border:1px solid #fecaca;border-radius:.5rem;color:var(--color-error);margin-top:1rem}.file-input{display:none}.footer{margin-top:4rem;padding:2rem 0;border-top:1px solid var(--color-gray-200);display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.footer-section h3{margin:0 0 1rem;font-size:1.125rem;font-weight:600;color:var(--color-gray-700)}.code-block{background:var(--color-gray-800);color:#f8fafc;padding:1rem;border-radius:.5rem;font-family:Monaco,Menlo,Ubuntu Mono,monospace;font-size:.875rem;line-height:1.5;overflow-x:auto}.code-block code{color:inherit;background:none;padding:0;border-radius:0;font-size:inherit}.footer-links{display:flex;flex-direction:column;gap:.75rem}.footer-links a{color:var(--color-primary);text-decoration:none;font-weight:500;transition:color .2s ease}.footer-links a:hover{color:var(--color-gray-800);text-decoration:underline}@media (max-width: 768px){.container{padding:1rem}.header h1{font-size:2rem}.header-actions{flex-direction:column;align-items:center}.footer{grid-template-columns:1fr;text-align:center}.footer-links{align-items:center}.download-links{flex-direction:column;gap:.5rem}.try-sample-actions{gap:1.5rem}}