:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:1.5rem 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.step-number{background:#4caf50}.step-content{flex:1}.step-label{font-weight:500;color:#333}.step-description{font-size:.875rem;color:#666}.step-progress{font-weight:600;color:#667eea}.start-button{width:100%;padding:1rem;font-size:1rem;font-weight:500;color:#fff;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:8px;cursor:pointer;transition:opacity .2s ease}.start-button:disabled{opacity:.5;cursor:not-allowed}.start-button:not(:disabled):hover{opacity:.9}.error-box{padding:1rem;background:#ffebee;border:1px solid #f44336;border-radius:8px;margin-bottom:1rem;color:#c62828}.success-box{padding:1rem;background:#e8f5e9;border:1px solid #4caf50;border-radius:8px;margin-bottom:1rem;color:#2e7d32}.hint{text-align:center;color:#999;margin-top:1rem}.result-display{margin:2rem 0;padding:1.5rem;background:#fafafa;border-radius:12px}.result-display h3{margin-bottom:1rem;color:#333}.result-status{padding:1rem;border-radius:8px;text-align:center;font-weight:600;font-size:1.25rem;margin-bottom:1.5rem}.result-status.passed{background:#e8f5e9;color:#2e7d32;border:1px solid #4caf50}.result-status.failed{background:#ffebee;color:#c62828;border:1px solid #f44336}.metrics{display:flex;flex-direction:column;gap:1.5rem;margin-bottom:1.5rem}.metric{display:flex;flex-direction:column;gap:.5rem}.metric-header{display:flex;justify-content:space-between;color:#333}.metric-value{font-weight:600}.progress-bar-container{height:12px;background:#e0e0e0;border-radius:6px;overflow:hidden}.progress-bar{height:100%;border-radius:6px;transition:width .5s 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640px){.upload-grid{grid-template-columns:1fr}}.reset-button{width:100%;padding:1rem;margin-top:1.5rem;font-size:1rem;font-weight:500;color:#667eea;background:#fff;border:2px solid #667eea;border-radius:8px;cursor:pointer;transition:all .2s ease}.reset-button:hover{background:#edeaff}