.login-body{background:linear-gradient(120deg,#3498db,#8e44ad);min-height:100vh;display:flex;align-items:center}.login-container{width:100%;max-width:400px;margin:0 auto;padding:20px}.card{border-radius:15px;border:none}.card-header{border-radius:15px 15px 0 0!important;padding:2rem}