.flash-message-container{position:fixed;top:20px;right:20px;z-index:9999;max-width:400px;width:100%}.alert{border-radius:8px;box-shadow:0 4px 12px rgba(0,0,0,0.15);border:none;margin-bottom:10px;padding:15px 20px;font-size:14px;line-height:1.4;animation:slideInRight 0.3s ease-out;position:relative;display:flex;align-items:center;gap:12px}.alert::before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px;border-radius:8px 0 0 8px}.alert-success{background-color:#e3f2fd;color:#1565c0}.alert-success::before{background-color:#4caf50}.alert-success .fas{color:#1565c0;font-size:16px}.alert-danger{background-color:#f8d7da;color:#721c24}.alert-danger::before{background-color:#dc3545}.alert-danger .fas{color:#721c24;font-size:16px}.alert-warning{background-color:#fff3cd;color:#856404}.alert-warning::before{background-color:#ffc107}.alert-warning .fas{color:#856404;font-size:16px}.alert-info{background-color:#d1ecf1;color:#0c5460}.alert-info::before{background-color:#17a2b8}.alert-info .fas{color:#0c5460;font-size:16px}.btn-close{background:none;border:none;font-size:16px;font-weight:bold;color:inherit;opacity:0.7;cursor:pointer;padding:0;margin-left:auto;flex-shrink:0;width:20px;height:20px;display:flex;align-items:center;justify-content:center}.btn-close:hover{opacity:1}@keyframes slideInRight{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}@media (max-width: 480px){.flash-message-container{top:10px;right:10px;left:10px;max-width:none}.alert{padding:12px 16px;gap:10px}}