*{margin:0;padding:0;box-sizing:border-box;font-family:Arial,sans-serif}body{background:#f4f4f4;display:flex;justify-content:center;align-items:center;height:100vh}.splash{text-align:center}.logo{font-size:80px;margin-bottom:20px}.login-card{width:340px;background:#fff;padding:30px;border-radius:15px;box-shadow:0 5px 20px rgba(0,0,0,.15)}button{background:#f6c400;border:none;padding:12px 24px;border-radius:8px;cursor:pointer}input{width:100%;padding:12px;margin:12px 0;border:1px solid #ccc;border-radius:8px}