* {
    box-sizing: border-box;
    font-family: system-ui, sans-serif;
  }
  
  body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #f1f5f9;
    transition: background 0.3s ease, color 0.3s ease;
  }
  
  .container {
    background: white;
    padding: 30px;
    width: 380px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    text-align: center;
  }
  
  h1 {
    margin-bottom: 20px;
    color: #0f172a;
  }
  
  .controls {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
  }
  
  .control {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 0.85rem;
  }
  
  input[type="color"] {
    margin-top: 6px;
    border: none;
    width: 40px;
    height: 40px;
    cursor: pointer;
  }
  
  button {
    width: 100%;
    padding: 12px;
    margin-top: 12px;
    font-size: 1rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    background: #6366f1;
    color: white;
    transition: transform 0.15s ease;
  }
  
  button:hover {
    transform: translateY(-1px);
  }
  
  .reset {
    background: #334155;
  }
  

  .text-test {
    margin-top: 20px;
  }
  
  .text-test input {
    width: 100%;
    padding: 10px 12px;
    font-size: 0.95rem;
    border-radius: 8px;
    border: 1.5px solid #cbd5e1;
    outline: none;
  }
  
  .text-test input:focus {
    border-color: #6366f1;
  }
  
  #previewText {
    margin-top: 12px;
    font-size: 1rem;
    font-weight: 500;
  }