body { font-family: Arial; display: flex; justify-content: center; align-items: center; height: 100vh; background: #f7f7f7; margin: 0; }
.container { background: white; padding: 20px; border-radius: 8px; box-shadow: 0 0 10px rgba(0,0,0,0.1); width: 90%; max-width: 400px; }
input, textarea, button { width: 100%; margin: 10px 0; padding: 10px; }
.stars { text-align: center; font-size: 24px; }
.star { cursor: pointer; padding: 0 5px; }
.popup { position: fixed; top: 20%; left: 50%; transform: translateX(-50%); background: #dff0d8; padding: 20px; border-radius: 8px; text-align: center; display: none; }
.popup a { display: inline-block; margin: 10px; padding: 10px; background: #007bff; color: white; text-decoration: none; border-radius: 5px; }
.hidden { display: none; }