(function() {
  const binaryBackground = document.getElementById('binaryBackground');
  if (!binaryBackground) return;
  
  let columns = [];
  let columnCount = Math.max(5, Math.floor(window.innerWidth / 50));
  let columnTimers = {};
  
  function generateBinaryString(length) {
    let binary = '';
    for (let i = 0; i < length; i++) {
      binary += Math.random() > 0.5 ? '1' : '0';
      if (i < length - 1) binary += '\n';
    }
    return binary;
  }
  
  function createColumn(index) {
    if (columnTimers[index]) {
      clearTimeout(columnTimers[index]);
    }
    
    const column = document.createElement('div');
    column.className = 'binary-column';
    const leftPosition = (index * 50) + Math.random() * 30;
    column.style.left = leftPosition + 'px';
    const duration = 12 + Math.random() * 8;
    column.style.animationDuration = duration + 's';
    column.style.animationDelay = '0s';
    
    const binaryLength = Math.floor(25 + Math.random() * 15);
    column.textContent = generateBinaryString(binaryLength);
    
    const randomStart = Math.random() * 100;
    column.style.top = '-' + randomStart + '%';
    
    binaryBackground.appendChild(column);
    columns[index] = column;
    
    const nextDuration = 12 + Math.random() * 8;
    columnTimers[index] = setTimeout(() => {
      if (column.parentNode) {
        column.parentNode.removeChild(column);
      }
      createColumn(index);
    }, duration * 1000);
  }
  
  for (let i = 0; i < columnCount; i++) {
    createColumn(i);
  }
  
  setInterval(function() {
    for (let i = 0; i < columnCount; i++) {
      if (!columns[i] || !columns[i].parentNode) {
        createColumn(i);
      }
    }
  }, 1000);
  
  let resizeTimeout;
  window.addEventListener('resize', function() {
    clearTimeout(resizeTimeout);
    resizeTimeout = setTimeout(function() {
      const newColumnCount = Math.max(5, Math.floor(window.innerWidth / 50));
      if (newColumnCount !== columnCount) {
        for (let i = 0; i < columnCount; i++) {
          if (columnTimers[i]) {
            clearTimeout(columnTimers[i]);
          }
        }
        binaryBackground.innerHTML = '';
        columns = [];
        columnTimers = {};
        columnCount = newColumnCount;
        for (let i = 0; i < newColumnCount; i++) {
          createColumn(i);
        }
      }
    }, 250);
  });
})();