#pwa-install-guide-root {
    position: fixed;
    inset: 0;
    z-index: 2147483000;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 0;
    background: rgba(0, 0, 0, 0.55);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

#pwa-install-guide-root.is-open {
    opacity: 1;
    visibility: visible;
}

#pwa-install-guide-root .pwa-install-guide-panel {
    width: 100%;
    max-width: 24.375rem;
    max-height: 90vh;
    overflow-y: auto;
    background: #fff;
    color: #1f2937;
    border-radius: 1.25rem 1.25rem 0 0;
    padding: 1.75rem 1.25rem 2rem;
    box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.18);
    transform: translateY(12px);
    transition: transform 0.22s ease;
}

#pwa-install-guide-root.is-open .pwa-install-guide-panel {
    transform: translateY(0);
}

#pwa-install-guide-root .pwa-install-guide-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

#pwa-install-guide-root .pwa-install-guide-title {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 700;
    line-height: 1.3;
}

#pwa-install-guide-root .pwa-install-guide-close {
    flex-shrink: 0;
    width: 2rem;
    height: 2rem;
    border: none;
    background: #f3f4f6;
    color: #374151;
    border-radius: 999px;
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
}

#pwa-install-guide-root .pwa-install-guide-badge {
    display: inline-block;
    margin: 0 0 1.25rem;
    padding: 0.35rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: #028760;
    background: rgba(2, 135, 96, 0.1);
    border: 1px solid rgba(2, 135, 96, 0.35);
    border-radius: 0.375rem;
}

#pwa-install-guide-root .pwa-install-guide-steps {
    margin: 0;
    padding: 0;
    list-style: none;
}

#pwa-install-guide-root .pwa-install-guide-step {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-size: 0.9375rem;
    line-height: 1.45;
}

#pwa-install-guide-root .pwa-install-guide-step.is-highlight {
    background: #f0fdf4;
    margin-left: -0.5rem;
    margin-right: -0.5rem;
    padding: 0.65rem 0.5rem;
    border-radius: 0.5rem;
}

#pwa-install-guide-root .pwa-install-guide-num {
    flex-shrink: 0;
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8125rem;
    font-weight: 700;
    color: #fff;
    background: #028760;
    border-radius: 999px;
}

#pwa-install-guide-root .pwa-install-guide-note {
    margin: 0.5rem 0 0;
    font-size: 0.8125rem;
    color: #6b7280;
    line-height: 1.4;
}

@media (min-width: 480px) {
    #pwa-install-guide-root {
        align-items: center;
        padding: 1rem;
    }

    #pwa-install-guide-root .pwa-install-guide-panel {
        border-radius: 1rem;
    }
}