#flash-toast-host {
    position: fixed;
    top: 0.75rem;
    left: 50%;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.375rem;
    width: min(560px, calc(100vw - 2rem));
    transform: translateX(-50%);
    pointer-events: none;
}

.flash-toast-item {
    pointer-events: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    width: 100%;
    max-width: 100%;
    padding: 0.55rem 1rem;
    border-radius: 10px;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.35;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: rgba(15, 23, 42, 0.96);
    border: 1px solid rgba(34, 197, 94, 0.35);
    color: #4ade80;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
    animation: flashToastIn 0.25s ease;
}

.flash-toast-item svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    display: block;
}

.flash-toast-item span {
    flex: 1;
    min-width: 0;
}

.flash-toast-item.flash-toast-hide {
    animation: flashToastOut 0.35s ease forwards;
}

.flash-toast-item.flash-toast-success,
.flash-toast-item:not(.flash-toast-error):not(.flash-toast-info):not(.flash-toast-warning) {
    border-color: rgba(34, 197, 94, 0.35);
    color: #4ade80;
}

.flash-toast-item.flash-toast-error {
    border-color: rgba(239, 68, 68, 0.35);
    color: #f87171;
}

.flash-toast-item.flash-toast-info {
    border-color: rgba(59, 130, 246, 0.35);
    color: #93c5fd;
}

.flash-toast-item.flash-toast-warning {
    border-color: rgba(245, 158, 11, 0.35);
    color: #fcd34d;
}

@keyframes flashToastIn {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes flashToastOut {
    from { opacity: 1; transform: translateY(0); }
    to   { opacity: 0; transform: translateY(-8px); }
}