body {
  font-family: sans-serif;
  background: #f4f4f4;
  display: flex;
  justify-content: center;
  padding-top: 60px;
}

.card {
  background: #fff;
  padding: 20px 24px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  min-width: 360px;
  max-width: 640px;
  width: 100%;
}

h2 {
  margin-top: 0;
  margin-bottom: 14px;
}

label {
  display: inline-block;
  margin-top: 8px;
}

textarea {
  width: 100%;
  margin-top: 6px;
  resize: vertical;
  padding: 8px;
  border-radius: 6px;
  border: 1px solid #ddd;
  font-family: inherit;
  box-sizing: border-box;
}

input[type="file"] {
  margin-top: 6px;
}

button {
  margin-top: 10px;
  padding: 8px 16px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
}

button:disabled {
  opacity: 0.6;
  cursor: default;
}

hr {
  margin: 16px 0;
  border: none;
  border-top: 1px solid #e6e6e6;
}

#status {
  margin-top: 12px;
  min-height: 20px;
  font-size: 0.9rem;
}