.mareano-install-prompt {
    position: fixed;
    right: max(18px, env(safe-area-inset-right));
    bottom: max(18px, env(safe-area-inset-bottom));
    z-index: 1090;
    width: min(390px, calc(100vw - 32px));
    padding: 20px;
    color: #14213d;
    background: rgba(255, 255, 255, .98);
    border: 1px solid rgba(15, 31, 61, .12);
    border-radius: 20px;
    box-shadow: 0 24px 64px rgba(15, 31, 61, .22);
    opacity: 0;
    transform: translateY(18px);
    transition: opacity .22s ease, transform .22s ease;
}

.mareano-install-prompt[hidden] {
    display: none;
}

.mareano-install-prompt.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.mareano-install-heading {
    display: flex;
    gap: 13px;
    align-items: center;
    padding-right: 24px;
}

.mareano-install-icon {
    flex: 0 0 auto;
    border-radius: 14px;
    box-shadow: 0 8px 20px rgba(15, 31, 61, .18);
}

.mareano-install-kicker {
    display: block;
    margin-bottom: 3px;
    color: #5b6f87;
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.mareano-install-prompt h2 {
    margin: 0;
    color: #0f1f3d;
    font-size: 1.05rem;
    font-weight: 800;
    line-height: 1.25;
}

.mareano-install-prompt p {
    margin: 14px 0 0;
    color: #526277;
    font-size: .9rem;
    line-height: 1.5;
}

.mareano-install-close {
    position: absolute;
    top: 10px;
    right: 10px;
    display: grid;
    width: 36px;
    height: 36px;
    padding: 0;
    color: #66758a;
    font-size: 1.45rem;
    line-height: 1;
    place-items: center;
    background: transparent;
    border: 0;
    border-radius: 50%;
}

.mareano-install-close:hover,
.mareano-install-close:focus-visible {
    color: #0f1f3d;
    background: #eef2f7;
}

.mareano-install-steps {
    display: grid;
    gap: 8px;
    padding-left: 22px;
    margin: 14px 0 0;
    color: #3f5066;
    font-size: .88rem;
    line-height: 1.4;
}

.mareano-install-steps[hidden] {
    display: none;
}

.mareano-install-actions {
    display: flex;
    gap: 9px;
    margin-top: 17px;
}

.mareano-install-actions button {
    min-height: 44px;
    padding: 10px 16px;
    font-size: .9rem;
    font-weight: 750;
    border-radius: 12px;
}

.mareano-install-primary {
    flex: 1 1 auto;
    color: #fff;
    background: #0f1f3d;
    border: 1px solid #0f1f3d;
}

.mareano-install-primary:hover,
.mareano-install-primary:focus-visible {
    background: #1d3558;
    border-color: #1d3558;
}

.mareano-install-secondary {
    flex: 0 0 auto;
    color: #526277;
    background: #fff;
    border: 1px solid #d7dee8;
}

.mareano-install-secondary:hover,
.mareano-install-secondary:focus-visible {
    color: #0f1f3d;
    background: #f4f6f9;
}

@media (max-width: 520px) {
    .mareano-install-prompt {
        right: max(12px, env(safe-area-inset-right));
        bottom: max(12px, env(safe-area-inset-bottom));
        left: max(12px, env(safe-area-inset-left));
        width: auto;
        padding: 18px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .mareano-install-prompt {
        transition: none;
    }
}