body{font-family:Arial,sans-serif;background-color:#f4f7f9;color:#333;margin:0;padding:20px}.dashboard-container{max-width:900px;margin:0 auto;background:#fff;padding:30px;border-radius:8px;box-shadow:0 4px 6px #0000001a}.dashboard-header{text-align:center;margin-bottom:20px}.dashboard-header h1{color:#007bff}.highlight{font-weight:700;color:#007bff}.dashboard-main{display:flex;justify-content:space-around;gap:20px;margin-bottom:30px;flex-wrap:wrap}.stat-card{background-color:#e9ecef;border-radius:8px;padding:20px;text-align:center;flex:1;min-width:250px}.stat-number{font-size:2em;font-weight:700;color:#28a745}.rewards-section{background-color:#e9ecef;border-radius:8px;padding:20px;flex:1;min-width:250px}.rewards-section ul{list-style-type:none;padding:0}.rewards-section li{background:#fff;margin-bottom:8px;padding:10px;border-radius:5px}.leaderboard-section{text-align:center}.leaderboard-section table{width:100%;border-collapse:collapse;margin-top:20px}.leaderboard-section th,.leaderboard-section td{border:1px solid #ddd;padding:12px;text-align:left}.leaderboard-section th{background-color:#007bff;color:#fff}.leaderboard-section tr:nth-child(2n){background-color:#f2f2f2}@media (max-width: 600px){.dashboard-main{flex-direction:column}}.auth-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background-color:#f4f7f9}.auth-card{background:#fff;padding:40px;border-radius:8px;box-shadow:0 4px 6px #0000001a;width:100%;max-width:400px;text-align:center}.auth-card h2{margin-bottom:20px;color:#007bff}.auth-card input{width:calc(100% - 20px);padding:10px;margin-bottom:15px;border:1px solid #ddd;border-radius:5px}.auth-card button{width:100%;padding:10px;background-color:#007bff;color:#fff;border:none;border-radius:5px;font-size:1em;cursor:pointer}.auth-card button:hover{background-color:#0056b3}.auth-card p{margin-top:15px}.auth-card a{color:#007bff;text-decoration:none}.auth-card a:hover{text-decoration:underline}