.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 10001;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    pointer-events: none;
}

.toast {
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.25rem;
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .1);
    font-size: 0.875rem;
    font-weight: 500;
    max-width: 24rem;
    animation: toastSlideIn .3s ease-out;
    transition: opacity .3s ease, transform .3s ease;
}

.toast.toast-hide {
    opacity: 0;
    transform: translateX(100%);
}

@keyframes toastSlideIn {
    from { opacity: 0; transform: translateX(100%); }
    to   { opacity: 1; transform: translateX(0); }
}

.toast-success { background-color: #F0FDF4; border: 1px solid #BBF7D0; color: #166534; }
.toast-error   { background-color: #FEF2F2; border: 1px solid #FECACA; color: #991B1B; }
.toast-warning { background-color: #FFFBEB; border: 1px solid #FDE68A; color: #92400E; }
.toast-info    { background-color: #EFF6FF; border: 1px solid #BFDBFE; color: #1E40AF; }

@media (prefers-color-scheme: dark) {
    .toast-success { background-color: #052E16; border-color: #166534; color: #BBF7D0; }
    .toast-error   { background-color: #450A0A; border-color: #991B1B; color: #FECACA; }
    .toast-warning { background-color: #451A03; border-color: #92400E; color: #FDE68A; }
    .toast-info    { background-color: #172554; border-color: #1E40AF; color: #BFDBFE; }
}