body { font-family: Arial, sans-serif; margin: 20px; background: #f5f5f5; }
.auth-container { max-width: 400px; margin: 100px auto; padding: 20px; background: white; border-radius: 5px; box-shadow: 0 0 10px rgba(0,0,0,0.1); }
.auth-container h2 { text-align: center; }
.auth-container input, .auth-container button { width: 100%; padding: 10px; margin: 10px 0; box-sizing: border-box; }
.auth-container button { background: #007bff; color: white; border: none; cursor: pointer; }
.auth-container button:hover { background: #0056b3; }
.error { color: red; }
.dashboard { max-width: 900px; margin: auto; background: white; padding: 20px; border-radius: 5px; }
.dashboard header { display: flex; justify-content: space-between; align-items: center; }
.btn { display: inline-block; padding: 10px 20px; margin: 5px; text-decoration: none; border-radius: 4px; }
.btn.primary { background: #28a745; color: white; }
.btn.secondary { background: #6c757d; color: white; }
.logout { color: #dc3545; }
.container { max-width: 1000px; margin: auto; background: white; padding: 20px; }
fieldset { margin-bottom: 20px; padding: 15px; border: 1px solid #ddd; }
legend { font-weight: bold; }
table { width: 100%; }
th, td { padding: 8px; }