:root {
    --main-color: #222;
    --accent-color: #4fd1c5;
    --bg-color: #fff;
    --radius: 8px;
  }

  body {
    margin: 0;
    padding: 2rem;
    font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
    background: var(--bg-color);
    color: var(--main-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 1s ease-out forwards;
  }

  @keyframes fadeIn {
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .uploader {
    background: white;
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    max-width: 400px;
    width: 100%;
    text-align: center;
  }

  h1 {
    margin-top: 0;
    font-size: 1.5rem;
    color: var(--main-color);
  }

  .bouncy-i {
    display: inline-block;
    position: relative;
    animation: bounceOne 1.5s ease-out 1s 1 both;
  }

  @keyframes bounceOne {
    0% { transform: translateY(0); }
    30% { transform: translateY(-10px); }
    60% { transform: translateY(3px); }
    100% { transform: translateY(0); }
  }

  .drop-zone {
    margin: 1rem auto;
    padding: 2rem;
    border: 2px dashed #ccc;
    border-radius: var(--radius);
    background: #f5f5f5;
    cursor: pointer;
  }

  .drop-zone.dragover {
    background: #ebebeb;
    border-color: #aaa;
  }

  input[type="file"] {
    display: block;
    margin: 1rem auto;
  }

  button {
    display: block;
    margin: 0 auto;
    padding: 0.5rem 1.5rem;
    background: linear-gradient(
      45deg,
      #f09433 0%,
      #e6683c 25%,
      #dc2743 50%,
      #cc2366 75%,
      #bc1888 100%
    );
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    cursor: pointer;
    transition: opacity 0.2s;
  }

  button:hover {
    opacity: 0.9;
  }

  .status {
    text-align: center;
    font-size: 0.9rem;
    margin-top: 1rem;
  }

  .progress {
    width: 100%;
    background: #eee;
    border-radius: var(--radius);
    overflow: hidden;
    margin-top: 1rem;
  }

  .progress-bar {
    height: 8px;
    background: var(--accent-color);
    width: 0;
    transition: width 0.2s ease;
  }

  @media (max-width: 600px) {
    body {
      padding: 1rem;
    }

    .uploader {
      padding: 1.5rem;
    }
  }