body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #f9f9f9;
  text-align: center;
  padding: 50px;
}

.container {
  background: white;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
  display: inline-block;
  max-width: 1000px;
  width: 100%;
}

h1 {
  color: #333;
  margin-bottom: 20px;
}

.format-select {
  margin-bottom: 20px;
}

.format-select select {
  margin: 0 10px;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid #ccc;
  font-size: 15px;
}

.custom-upload {
  display: inline-block;
  background-color: #008cff;
  color: white;
  padding: 12px 25px;
  font-size: 16px;
  border-radius: 8px;
  cursor: pointer;
  margin: 20px 0;
  transition: background-color 0.3s ease;
}

.custom-upload:hover {
  background-color: #005ecb;
}

.actions {
  margin-top: 10px;
}

.action-btn {
  background-color: #00b894;
  color: white;
  border: none;
  padding: 10px 20px;
  margin: 0 10px;
  font-size: 15px;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.action-btn:hover {
  background-color: #019873;
}

.action-btn.red {
  background-color: #e74c3c;
}

.action-btn.red:hover {
  background-color: #c0392b;
}

#gallery {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

.image-block {
  background: #fdfdfd;
  border: 1px solid #ddd;
  border-radius: 10px;
  padding: 15px;
  max-width: 220px;
}

.image-block img {
  max-width: 100%;
  border-radius: 8px;
  margin-bottom: 10px;
}

.btn {
  display: inline-block;
  background-color: #3498db;
  color: white;
  padding: 8px 14px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 14px;
}

.btn:hover {
  background-color: #217dbb;
}

#status {
  margin-top: 20px;
  color: #555;
  white-space: pre-line;
}