:root{--header-height:64px}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}.login-container{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);justify-content:center;align-items:center;min-height:100vh;padding:16px;display:flex}.login-card{background:#fff;border-radius:8px;width:400px;max-width:100%;padding:40px;box-shadow:0 8px 32px #00000026}.login-card h1{text-align:center;color:#1a1a1a;margin-bottom:32px;font-size:24px}.placeholder-page{color:#999;justify-content:center;align-items:center;height:100%;font-size:18px;display:flex}@media (width<=576px){.login-card{padding:24px}.login-card h1{margin-bottom:24px;font-size:20px}}