.h2go-install-overlay[hidden] {
    display: none;
}

.h2go-install-overlay {
    position: fixed;
    inset: 0;
    z-index: 2147483000;
    display: grid;
    place-items: center;
    padding: 24px;
    background: rgba(2, 6, 12, 0.72);
    backdrop-filter: blur(7px);
    -webkit-backdrop-filter: blur(7px);
}

.h2go-install-card {
    width: min(100%, 420px);
    padding: 26px;
    color: #f7f9fc;
    background: #15191f;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 22px;
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.46);
    font-family: var(--font-sans, "Outfit", "Noto Sans KR", sans-serif);
}

.h2go-install-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.h2go-install-icon {
    width: 58px;
    height: 58px;
    flex: 0 0 58px;
    border-radius: 15px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
}

.h2go-install-kicker {
    margin: 0 0 4px;
    color: #8fc5ff;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.h2go-install-title {
    margin: 0;
    color: inherit;
    font-size: 21px;
    font-weight: 760;
    line-height: 1.3;
    letter-spacing: -0.025em;
}

.h2go-install-description {
    margin: 18px 0 0;
    color: #c7ced8;
    font-size: 16px;
    line-height: 1.65;
    word-break: keep-all;
}

.h2go-install-steps {
    margin: 16px 0 0;
    padding: 14px 16px 14px 34px;
    color: #e7ebf1;
    background: rgba(255, 255, 255, 0.055);
    border-radius: 13px;
    font-size: 16px;
    line-height: 1.7;
}

.h2go-install-steps[hidden] {
    display: none;
}

.h2go-install-actions {
    display: flex;
    gap: 10px;
    margin-top: 22px;
}

.h2go-install-action {
    min-height: 44px;
    padding: 0 18px;
    border: 0;
    border-radius: 12px;
    font: inherit;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
}

.h2go-install-action:focus-visible {
    outline: 3px solid #8fc5ff;
    outline-offset: 3px;
}

.h2go-install-action--primary {
    flex: 1;
    color: #06111d;
    background: #76b9ff;
}

.h2go-install-action--secondary {
    color: #d7dce4;
    background: rgba(255, 255, 255, 0.08);
}

@media (hover: hover) {
    .h2go-install-action--primary:hover {
        background: #9bcdff;
    }

    .h2go-install-action--secondary:hover {
        background: rgba(255, 255, 255, 0.14);
    }
}

body.h2go-install-prompt-open {
    overflow: hidden;
}

body.theme-light .h2go-install-card {
    color: #101820;
    background: #ffffff;
    border-color: rgba(16, 24, 32, 0.12);
    box-shadow: 0 24px 70px rgba(12, 27, 43, 0.24);
}

body.theme-light .h2go-install-description {
    color: #526170;
}

body.theme-light .h2go-install-steps {
    color: #24313e;
    background: #f1f4f7;
}

body.theme-light .h2go-install-action--secondary {
    color: #354453;
    background: #edf1f5;
}

@media (max-width: 540px) {
    .h2go-install-overlay {
        align-items: end;
        padding: 12px;
    }

    .h2go-install-card {
        width: 100%;
        padding: 22px 20px calc(20px + env(safe-area-inset-bottom));
        border-radius: 20px;
    }
}

@media (prefers-reduced-motion: no-preference) {
    .h2go-install-card {
        animation: h2go-install-enter 180ms ease-out both;
    }

    @keyframes h2go-install-enter {
        from { opacity: 0; transform: translateY(12px) scale(0.985); }
        to { opacity: 1; transform: translateY(0) scale(1); }
    }
}