.mpwa-install-btn {
    appearance: none;
    -webkit-appearance: none;
    border: 0;
    border-radius: 999px;
    padding: 0.8rem 1.2rem;
    background: linear-gradient(135deg, #5b6cff 0%, #8f5bff 100%);
    color: #fff;
    font-weight: 700;
    letter-spacing: 0.2px;
    box-shadow: 0 12px 25px rgba(91, 108, 255, 0.35);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease, opacity 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    line-height: 1.1;
    text-align: center;
}

.mpwa-install-btn:hover,
.mpwa-install-btn:focus {
    transform: translateY(-1px) scale(1.01);
    box-shadow: 0 14px 30px rgba(91, 108, 255, 0.45);
    filter: saturate(1.1);
    outline: none;
}

.mpwa-install-btn[disabled] {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
    filter: none;
}

.mpwa-popup {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    background: rgba(10, 12, 24, 0.55);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 99999;
    padding: 1rem;
}

.mpwa-popup.is-visible {
    opacity: 1;
    pointer-events: auto;
}

.mpwa-popup-card {
    width: min(460px, 100%);
    border-radius: 20px;
    padding: 1.25rem;
    background: #111;
    color: #fff;
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.45);
    position: relative;
}

.mpwa-popup-card h3 {
    margin: 0 2.2rem 0.6rem 0;
    font-size: 1.25rem;
    line-height: 1.2;
}

.mpwa-popup-card p {
    margin: 0 0 1rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.5;
}

.mpwa-popup-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.mpwa-popup-close,
.mpwa-popup-secondary {
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
}

.mpwa-popup-close {
    position: absolute;
    top: 0.55rem;
    right: 0.55rem;
    width: 34px;
    height: 34px;
    border-radius: 999px;
    border: 0;
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    font-size: 1.2rem;
}

.mpwa-popup-secondary {
    border: 1px solid rgba(255,255,255,0.15);
    background: transparent;
    color: #fff;
    border-radius: 999px;
    padding: 0.8rem 1.1rem;
    font-weight: 600;
}

.mpwa-block-editor {
    padding: 14px;
    border: 1px dashed #c7ced9;
    border-radius: 12px;
    background: #fff;
}