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(max-width:480px){.login-card{margin:.5rem;padding:2rem 1.5rem}.login-header h1{font-size:1.8rem}.sso-button{font-size:1rem;padding:1rem 1.5rem}}.auth-loading{align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;justify-content:center;min-height:100vh}.auth-loading .loading-spinner{color:#fff;text-align:center}.auth-loading .spinner{animation:spin 1s linear infinite;border:4px solid #ffffff4d;border-radius:50%;border-top-color:#fff;height:40px;margin:0 auto 1rem;width:40px}.auth-loading p{font-size:1.1rem;margin:0;opacity:.9}.sso-loading-overlay{align-items:center;animation:fadeIn .3s ease-in;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;height:100vh;justify-content:center;left:0;position:fixed;top:0;width:100vw;z-index:10000}.sso-loading-content{animation:slideUp .5s ease-out;color:#fff;text-align:center}.sso-spinner{animation:spin .8s linear infinite;border:5px solid #fff3;border-radius:50%;border-top-color:#fff;height:60px;margin:0 auto 2rem;width:60px}.sso-loading-content h2{font-size:1.8rem;font-weight:600;margin:0 0 .75rem}.sso-loading-content p{font-size:1.1rem;margin:0;opacity:.9}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
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