.news-detail-loading{min-height:60vh;display:flex;flex-direction:column;justify-content:center;align-items:center;animation:fadeIn .3s ease-in}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.news-detail-loading .spinner-border{animation:spin .75s linear infinite,pulse 2s ease-in-out infinite}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.8;transform:scale(1.1)}}.news-detail-loading-text{animation:fadeInUp .5s ease-out .2s both}@keyframes fadeInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.news-404-container{min-height:60vh;display:flex;flex-direction:column;justify-content:center;align-items:center;animation:fadeIn .4s ease-in}.news-404-title{font-size:120px;font-weight:700;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:1rem;animation:fadeInDown .5s ease-out}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.news-404-subtitle{animation:fadeInUp .5s ease-out .1s both}.news-404-description{animation:fadeInUp .5s ease-out .2s both}.news-404-button{animation:fadeInUp .5s ease-out .3s both;transition:all .3s ease}.news-404-button:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,0,0,.15)}@media (max-width:576px){.news-404-title{font-size:80px}.news-detail-loading{min-height:50vh}.news-404-container{min-height:50vh;padding:2rem 1rem}}