.sr-popup-layer-stack {
    display: grid;
    gap: 12px;
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 1000;
    width: min(420px, calc(100% - 32px));
    margin: 0;
}

.sr-popup-layer {
    border: 1px solid var(--sr-popup-border, var(--color-default-400));
    border-radius: 6px;
    background: var(--sr-surface, var(--color-card));
    box-shadow: 0 8px 20px var(--sr-shadow-floating, rgba(32, 36, 42, 0.12));
    padding: 16px;
}

.sr-popup-layer h2 {
    margin: 0 0 8px;
    font-size: var(--type-section-title-size);
    line-height: var(--type-section-title-line-height);
}

.sr-popup-layer-body {
    color: var(--sr-muted-strong, var(--color-default-700));
}

.sr-popup-layer-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    justify-content: flex-end;
    margin-top: 14px;
}

.sr-popup-layer-actions button {
    width: auto;
}

.sr-popup-layer-dismiss {
    border-color: var(--sr-primary, var(--color-primary));
    background: var(--sr-primary, var(--color-primary));
    color: var(--sr-on-primary, var(--color-white));
}

@media (max-width: 720px) {
    .sr-popup-layer-stack {
        right: 16px;
        bottom: 16px;
    }

    .sr-popup-layer-actions {
        justify-content: stretch;
    }

    .sr-popup-layer-actions button {
        flex: 1 1 140px;
    }
}