body {
    font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

h2 {
    color: #333;
}

input[type="file"] {
    margin: 20px 0;
    padding: 10px;
    border: 2px solid #007bff;
    border-radius: 5px;
    background-color: #fff;
    transition: border-color 0.3s;
}

input[type="file"]:hover {
    border-color: #0056b3;
}

canvas {
    display: none;
}

img {
    max-width: 100%;
    margin-top: 10px;
    border: 2px solid #007bff;
    border-radius: 5px;
    transition: transform 0.3s;
}

img:hover {
    transform: scale(1.05);
}

#downloadBtn {
    margin-top: 10px;
    display: none;
    padding: 10px 20px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

#downloadBtn:hover {
    background-color: #0056b3;
}

/* Custom fallback and tweaks for extra polish */
body {
  font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
}

.upload-input::-webkit-file-upload-button {
  background: #2563eb;
  color: #fff;
  border: none;
  padding: 0.5em 1.2em;
  border-radius: 0.5em;
  cursor: pointer;
  transition: background 0.2s;
  font-weight: 500;
}
.upload-input::-webkit-file-upload-button:hover {
  background: #1d4ed8;
}

.upload-input::file-selector-button {
  background: #2563eb;
  color: #fff;
  border: none;
  padding: 0.5em 1.2em;
  border-radius: 0.5em;
  cursor: pointer;
  transition: background 0.2s;
  font-weight: 500;
}
.upload-input::file-selector-button:hover {
  background: #1d4ed8;
}

.result-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

.download-btn {
  text-decoration: none;
}

@media (max-width: 600px) {
    body {
        padding: 10px;
    }

    h2 {
        font-size: 1.5em;
    }

    #downloadBtn {
        width: 100%;
    }
}

@media (max-width: 640px) {
  .container {
    padding: 1rem !important;
    margin-top: 1rem !important;
    margin-bottom: 1rem !important;
  }
  h1 {
    font-size: 1.25rem !important;
  }
  .footer {
    font-size: 0.9rem;
    padding: 0.5rem 0;
  }
}