body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: #fff;
  color: #111;
}

.messages-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.message {
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 0.9rem;
    background: rgba(0,0,0,0.8);
    color: white;
}

/* success */
.message.success {
    background: #1f8f4e;
}

/* error */
.message.error {
    background: #c0392b;
}