.vim-terminal {
    background-color: #1e1e1e;
    color: #d4d4d4;
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    padding: 20px;
    border-radius: 8px;
    position: relative;
    min-height: 400px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  }

  .vim-editor-wrapper {
    display: flex;
    padding-bottom: 40px;
  }

  .vim-line-numbers {
    color: #858585;
    text-align: right;
    padding-right: 12px;
    user-select: none;
    min-width: 40px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    line-height: 1.5;
  }

  .vim-content {
    white-space: pre;
    line-height: 1.5;
    min-height: 300px;
    outline: none;
    flex: 1;
    position: relative;
  }

  .vim-line {
    position: relative;
    min-height: 21px;
    white-space: pre;
  }

  .vim-cursor {
    display: inline-block;
    background-color: #cccccc;
    color: #1e1e1e;
    animation: blink-cursor 1s infinite;
    pointer-events: none;
  }

  .vim-cursor.block {
    width: 8.4px;
    min-width: 8.4px;
    height: 21px;
  }

  @keyframes blink-cursor {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0.3; }
  }

  .vim-status-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #007acc;
    color: white;
    padding: 5px 20px;
    font-size: 12px;
    display: flex;
    justify-content: space-between;
  }

  .help-key {
    display: inline-block;
    background-color: #374151;
    color: #fff;
    padding: 2px 8px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    margin: 0 2px;
  }

  .terminal-shell {
    background-color: #1e1e1e;
    color: #d4d4d4;
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    padding: 20px;
    border-radius: 8px;
    min-height: 400px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  }

  .terminal-output {
    white-space: pre-wrap;
    margin-bottom: 10px;
  }

  .terminal-prompt {
    display: flex;
    align-items: center;
  }

  .terminal-prompt-text {
    color: #4ec9b0;
    margin-right: 8px;
  }

  .terminal-input-wrapper {
    flex: 1;
    position: relative;
    white-space: pre;
    line-height: 1.5;
    min-height: 21px;
  }

  .terminal-input {
    position: absolute;
    left: -9999px;
    opacity: 0;
  }

  .terminal-cursor {
    display: inline-block;
    width: 8.4px;
    min-width: 8.4px;
    height: 21px;
    background-color: #cccccc;
    color: #1e1e1e;
    animation: blink-cursor 1s infinite;
  }

  .hidden-vim {
    display: none;
  }

  .level-card {
    transition: transform 0.2s, box-shadow 0.2s;
  }

  .level-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  }