*{box-sizing:border-box;margin:0;padding:0}#root{display:flex;flex-direction:column;flex:1;min-height:100vh;width:100%}.auth-callback-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:#0a0a0a}.auth-callback-content{text-align:center;padding:40px;background:#141414e6;border:1px solid #333;border-radius:8px;color:#fff}.auth-callback-content.error{border-color:#f44}.auth-callback-content h2{color:#f44;margin-bottom:16px}.auth-callback-content p{margin-bottom:20px;color:#aaa}.loading-spinner{width:40px;height:40px;border:3px solid #333;border-top-color:#00d4ff;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 20px}@keyframes spin{to{transform:rotate(360deg)}}