@keyframes slideInRight{0%{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}@keyframes slideOutRight{0%{transform:translateX(0);opacity:1}to{transform:translateX(100%);opacity:0}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.alert-container{animation:slideInRight .5s ease-out}.alert-container.closing{animation:slideOutRight .3s ease-in forwards}.alert-icon{animation:pulse 2s infinite}.alert-shimmer{background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);background-size:200% 100%;animation:shimmer 2s infinite}.alert-success{box-shadow:0 10px 25px rgba(34,197,94,.3)}.alert-error{box-shadow:0 10px 25px rgba(239,68,68,.3)}.alert-warning{box-shadow:0 10px 25px rgba(245,158,11,.3)}.alert-info{box-shadow:0 10px 25px rgba(59,130,246,.3)}.alert-close-btn:hover{background-color:rgba(0,0,0,.1);transform:scale(1.1)}.alert-close-btn:active{transform:scale(.95)}.alert-progress-bar{background:linear-gradient(90deg,transparent,rgba(255,255,255,.6),transparent);background-size:200% 100%;animation:shimmer 1s infinite}@keyframes slideInTop{0%{transform:translateY(-100%);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes slideOutTop{0%{transform:translateY(0);opacity:1}to{transform:translateY(-100%);opacity:0}}@media (max-width:640px){.alert-container{animation:slideInTop .4s ease-out}.alert-container.closing{animation:slideOutTop .3s ease-in forwards}.alert-success{box-shadow:0 4px 12px rgba(34,197,94,.2)}.alert-error{box-shadow:0 4px 12px rgba(239,68,68,.2)}.alert-warning{box-shadow:0 4px 12px rgba(245,158,11,.2)}.alert-info{box-shadow:0 4px 12px rgba(59,130,246,.2)}.alert-container{margin:.5rem;max-width:calc(100vw - 1rem)}.alert-icon{animation:pulse 1.5s infinite}}