.loading-overlay{display:flex;position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.7);justify-content:center;align-items:center;z-index:2000}.loading-content{background:white;border-radius:16px;padding:40px;text-align:center;box-shadow:0 25px 70px rgba(0,0,0,.3);max-width:400px;width:90%}.spinner{width:50px;height:50px;border:5px solid #e0e0e0;border-top-color:#6366f1;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 20px}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.loading-title{font-size:24px;font-weight:700;color:#333;margin-bottom:10px}.loading-message{font-size:16px;color:#666;line-height:1.5}.progress-bar{width:100%;height:4px;background-color:#e0e0e0;border-radius:2px;margin-top:20px;overflow:hidden}.progress-fill{height:100%;background-color:#6366f1;border-radius:2px;animation:progress 3s ease-in-out infinite}@keyframes progress{0%{width:0}50%{width:70%}to{width:100%}}