.input-tabs{display:flex;margin-bottom:20px;border-bottom:2px solid #f0f0f0}.tab-button{background:0 0;border:none;padding:15px 30px;cursor:pointer;font-size:1rem;color:#666;border-bottom:3px solid transparent;transition:all .3s ease}.tab-button.active{color:#4facfe;border-bottom-color:#4facfe;font-weight:600}.plagiarized{background:#ffe6e6;padding:2px 4px;border-radius:3px;border-left:3px solid #ff4757}.source-item{background:#f8f9fa;padding:15px;border-radius:8px;margin-bottom:10px;border-left:4px solid #ff4757}.source-url{color:#4facfe;text-decoration:none;font-weight:600}.source-match{color:#666;font-size:.9rem;margin-top:5px}