/* FlashMessage CSS */
#flash-container{position:fixed;top:20px;right:20px;z-index:9999;max-width:350px}
.flash-message{padding:15px 20px;margin-bottom:10px;border-radius:6px;box-shadow:0 4px 12px rgba(0,0,0,0.15);position:relative;animation:flashSlideIn 0.3s ease;overflow:hidden}
.flash-success{background-color:#d4edda;border-left:4px solid #28a745;color:#155724}
.flash-error{background-color:#f8d7da;border-left:4px solid #dc3545;color:#721c24}
.flash-warning{background-color:#fff3cd;border-left:4px solid #ffc107;color:#856404}
.flash-info{background-color:#d1ecf1;border-left:4px solid #17a2b8;color:#0c5460}
@keyframes flashSlideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}
@keyframes flashSlideOut{from{transform:translateX(0);opacity:1}to{transform:translateX(100%);opacity:0}}
@keyframes flashProgress{from{width:100%}to{width:0}}