*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%;width:100%}.ant-layout{min-height:100vh}.login-container{height:100vh;display:flex;justify-content:center;align-items:center;background:linear-gradient(135deg,#667eea,#764ba2)}.login-card{width:400px;border-radius:8px;box-shadow:0 8px 32px #0000001a}.login-title{text-align:center;margin-bottom:24px;color:#1890ff;font-size:24px;font-weight:600}