.repo-upload{max-width:800px;margin:0 auto;padding:2rem}.repo-upload-container{background:#fff;border-radius:12px;box-shadow:0 4px 6px #0000001a;padding:2rem}.repo-upload h2{color:#2c3e50;margin-bottom:.5rem;font-size:1.8rem;font-weight:600}.repo-upload-description{color:#666;margin-bottom:2rem;line-height:1.6;font-size:1rem}.repo-upload-form{margin-bottom:2rem}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:600;color:#2c3e50}.github-url-input{width:100%;padding:12px 16px;border:2px solid #e1e8ed;border-radius:8px;font-size:1rem;transition:border-color .3s ease;box-sizing:border-box}.github-url-input:focus{outline:none;border-color:#3498db;box-shadow:0 0 0 3px #3498db1a}.github-url-input:disabled{background-color:#f8f9fa;color:#6c757d;cursor:not-allowed}.form-help{display:block;margin-top:.5rem;color:#6c757d;font-size:.875rem}.error-message{background-color:#f8d7da;color:#721c24;padding:12px 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input{font-size:16px}}.book-qa-container{max-width:100%;width:100%;margin:0 auto;padding:0;font-family:Georgia,Times New Roman,serif;background:linear-gradient(135deg,#f8f9fa,#e9ecef);min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:flex-start}.book-qa-header{text-align:center;color:#2c3e50;width:100%;background:#fff;padding:40px 20px;box-shadow:0 2px 10px #0000001a;margin-bottom:40px}.book-qa-header h1{font-size:2.8rem;font-weight:700;margin-bottom:15px;color:#2c3e50;font-family:Georgia,Times New Roman,serif;letter-spacing:-.5px}.book-qa-header p{font-size:1.1rem;color:#6c757d;margin:0;font-family:Georgia,Times New Roman,serif;font-style:italic}.book-qa-content{background:#fff;max-width:900px;width:100%;margin:0 auto;padding:40px;display:flex;flex-direction:column;align-items:center;border-radius:12px;box-shadow:0 8px 32px #0000001a;border:1px solid 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