*{box-sizing:border-box;margin:0;padding:0;font-family:Arial,sans-serif}body{background:#f4f6f9;min-height:100vh}#root{width:100%;height:100vh}.login-container{justify-content:center;align-items:center;height:100vh;display:flex}.login-card{background:#fff;border-radius:15px;width:350px;padding:30px;box-shadow:0 5px 20px #0003}.login-card h1{text-align:center;color:#333;margin-bottom:20px}.input-group{margin-bottom:15px}.input-group input{border:1px solid #ddd;border-radius:8px;outline:none;width:100%;padding:12px;font-size:16px}.input-group input:focus{border:1px solid #4a90e2}.login-btn{color:#fff;cursor:pointer;background:#4a90e2;border:none;border-radius:8px;width:100%;padding:12px;font-size:16px;transition:all .3s}.login-btn:hover{transform:scale(1.03)}.error{text-align:center;color:red;margin-top:10px;font-size:14px}.dashboard{padding:30px}.navbar{color:#fff;background:#4a90e2;border-radius:10px;justify-content:space-between;align-items:center;margin-bottom:20px;padding:15px 30px;display:flex}.cards{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;display:grid}.card{background:#fff;border-radius:15px;padding:20px;transition:all .3s;box-shadow:0 4px 15px #0000001a}.card:hover{transform:translateY(-5px)}.card h3{color:#333;margin-bottom:10px}.card p{color:#777}@media (width<=768px){.login-card{width:90%}.navbar{flex-direction:column;gap:10px}}