/* Mobile-first base styles */
body {
  background-color: #fdfcf9;
  font-family: 'Roboto', sans-serif;
  margin: 0;
  padding: 0;
  color: #333;
  text-align: center;
  font-size: 1rem;
}

.container {
  width: 90%;
  margin: 5px auto;
  padding: 15px;
  border: 2px dashed #999;
  background-color: #fffefa;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

h1 {
  font-size: 2rem;
  margin-bottom: 1em;
}

button, .custom-file-upload {
  width: 100%;
  padding: 12px;
  font-size: 1.2rem;
  margin-top: 1em;
}

textarea {
  width: 100%;
  height: 150px;
  padding: 10px;
  font-size: 1rem;
  margin-top: 1em;
  border: 1px solid #ccc;
  resize: vertical;
  text-align: left;
}

input[type="file"] {
  display: none;
}

.custom-file-upload {
  display: block;                 /* full width block */
  width: auto;                    /* fit parent container */
  padding: 7px;                  /* compact padding */
  font-size: 1rem;                /* smaller for mobile */
  background-color: black;
  color: white;
  border-radius: 5px;
  cursor: pointer;
  margin-bottom: 10px;
  transition: background-color 0.2s;
  text-align: center;             /* center text */
  word-wrap: break-word;         /* break long words */
  white-space: normal;           /* allow wrapping */
}

.custom-file-upload:hover {
  background-color: #86f9c3;
  color: black;
  border: 2px dashed #999;
}

.preview-image {
  max-width: 300px; important!
  height: auto;
  border: 1px solid #aaa;
  border-radius: 4px;
  margin: 1rem 0;
}

.scan-output {
  background: #f9f9f9;
  padding: 1rem;
  border: 1px dashed #aaa;
  white-space: pre-wrap;
  text-align: left;
}

.notice {
  font-size: 0.9rem;
  color: green;
  font-style: italic;
  margin-top: 10px;
}

.file-name {
  font-size: 0.9rem;
  margin-top: 20px;
}

/* Media queries for larger screens */
@media (min-width: 600px) {
  h1 {
    font-size: 2.5rem;
  }

  button, .custom-file-upload {
    width: auto;
    padding: 10px 20px;
  }

  textarea {
    height: 200px;
  }
}

@media (min-width: 900px) {
  .container {
    max-width: 700px;
    padding: 20px;
  }

  h1 {
    font-size: 3rem;
  }
}