*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:#f5f5f5;color:#333}#app{min-height:100vh}.container{max-width:1400px;margin:0 auto;padding:2rem}.header{background:#fff;border-bottom:1px solid #e5e5e5;padding:1.5rem 0;margin-bottom:2rem}.header h1{font-size:1.75rem;font-weight:600;color:#1a1a1a}.upload-zone{background:#fff;border:2px dashed #d1d5db;border-radius:8px;padding:3rem;text-align:center;cursor:pointer;transition:all .2s}.upload-zone:hover{border-color:#3b82f6;background:#f9fafb}.upload-zone input{display:none}.tabs{display:flex;gap:.5rem;background:#fff;padding:.5rem;border-radius:8px;margin-bottom:1.5rem}.tab{padding:.75rem 1.5rem;border:none;background:transparent;cursor:pointer;font-size:.95rem;font-weight:500;color:#6b7280;border-radius:6px;transition:all .2s}.tab:hover{background:#f3f4f6}.tab.active{background:#3b82f6;color:#fff}.card{background:#fff;border-radius:8px;padding:1.5rem;box-shadow:0 1px 3px #0000001a}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-bottom:2rem}.stat-card{background:#fff;padding:1.5rem;border-radius:8px;box-shadow:0 1px 3px #0000001a}.stat-label{font-size:.875rem;color:#6b7280;margin-bottom:.5rem}.stat-value{font-size:2rem;font-weight:700;color:#1a1a1a}.chart-container{margin-bottom:2rem}table{width:100%;border-collapse:collapse}th{background:#f9fafb;padding:.75rem;text-align:left;font-weight:600;font-size:.875rem;color:#374151;border-bottom:2px solid #e5e7eb}td{padding:.75rem;border-bottom:1px solid #e5e7eb}.search-box{width:100%;padding:.75rem;border:1px solid #d1d5db;border-radius:6px;font-size:.95rem;margin-bottom:1rem}.search-box:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.badge{display:inline-block;padding:.25rem .75rem;border-radius:9999px;font-size:.75rem;font-weight:500}.badge-python{background:#dbeafe;color:#1e40af}.badge-java{background:#fef3c7;color:#92400e}.badge-javascript{background:#fce7f3;color:#831843}