.pwa-install-trigger {
    min-height: 34px;
    padding: 0 12px;
    border: 1px solid #bdd4db;
    border-radius: 8px;
    color: #155d68;
    background: #edf7f7;
    box-shadow: none;
    font-size: 0.73rem;
    font-weight: 750;
    white-space: nowrap;
}

.pwa-install-trigger:hover {
    border-color: #8bbdc2;
    color: #0e4b54;
    background: #e1f1f1;
}

.pwa-install-dialog {
    width: min(440px, calc(100% - 28px));
    max-width: none;
    margin: auto;
    padding: 0;
    overflow: hidden;
    border: 1px solid #cbd9e5;
    border-radius: 16px;
    color: #20364b;
    background: #ffffff;
    box-shadow: 0 26px 70px rgba(2, 15, 31, 0.34);
}

.pwa-install-dialog::backdrop {
    background: rgba(2, 13, 27, 0.62);
    backdrop-filter: blur(3px);
}

.pwa-install-dialog:not([open]) {
    display: none;
}

.pwa-install-content {
    padding: 28px;
}

.pwa-install-heading {
    display: grid;
    grid-template-columns: 52px minmax(0, 1fr);
    align-items: center;
    gap: 15px;
}

.pwa-install-icon {
    width: 52px;
    height: 52px;
    padding: 5px;
    border: 1px solid #d6e2ec;
    border-radius: 13px;
    background: #ffffff;
    box-shadow: 0 7px 18px rgba(14, 51, 79, 0.12);
}

.pwa-install-heading h2 {
    margin: 0;
    color: #102e4a;
    font-size: 1.25rem;
    line-height: 1.25;
}

.pwa-install-heading p {
    margin: 4px 0 0;
    color: #667b8e;
    font-size: 0.72rem;
    font-weight: 700;
}

.pwa-install-description {
    margin: 19px 0 0;
    color: #4f6478;
    font-size: 0.86rem;
    line-height: 1.65;
}

.pwa-install-instructions {
    display: grid;
    gap: 9px;
    margin: 18px 0 0;
    padding: 14px 16px;
    border: 1px solid #d9e5ec;
    border-radius: 11px;
    background: #f6f9fb;
    color: #405a70;
    font-size: 0.78rem;
    line-height: 1.55;
}

.pwa-install-instructions:empty {
    display: none;
}

.pwa-install-instructions strong {
    color: #173d61;
}

.pwa-install-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 24px;
}

.pwa-install-actions button {
    min-height: 39px;
    margin: 0;
    padding: 0 17px;
    border-radius: 8px;
    box-shadow: none;
    font-size: 0.76rem;
    font-weight: 760;
}

#pwaInstallNotNow {
    border: 1px solid #ced9e3;
    color: #52687b;
    background: #ffffff;
}

#pwaInstallConfirm {
    border: 1px solid #176a75;
    color: #ffffff;
    background: linear-gradient(135deg, #173e79, #176f79);
}

#pwaInstallNotNow:hover {
    background: #f3f6f8;
}

#pwaInstallConfirm:hover {
    filter: brightness(1.06);
}

@media (max-width: 520px) {
    .pwa-install-content {
        padding: 22px;
    }

    .pwa-install-actions {
        flex-direction: column-reverse;
    }

    .pwa-install-actions button {
        width: 100%;
    }
}