.relayboard-toast-stack {
    position: fixed;
    top: 18px;
    right: 18px;
    z-index: 10050;
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: min(360px, calc(100vw - 36px));
    pointer-events: none;
}

.relayboard-toast {
    border-radius: 12px;
    padding: 12px 14px;
    color: #fff;
    font-weight: 600;
    box-shadow: 0 18px 38px rgba(6, 10, 20, 0.24);
    opacity: 0;
    transform: translate3d(18px, -8px, 0);
    transition: opacity 0.25s ease, transform 0.25s ease;
    pointer-events: auto;
    cursor: pointer;
}

.relayboard-toast.is-visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

.relayboard-toast--success {
    background: linear-gradient(135deg, #0c8a3f, #08b04f);
}

.relayboard-toast--error {
    background: linear-gradient(135deg, #bb2323, #d33a3a);
}

.relayboard-toast--warning {
    background: linear-gradient(135deg, #ba6e00, #dd8a00);
}

.relayboard-toast--info {
    background: linear-gradient(135deg, #045b96, #0f79bf);
}