.pwa-install-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 38px;
    padding: 8px 13px;
    border: 1px solid currentColor;
    border-radius: 8px;
    background: transparent;
    color: inherit;
    font: inherit;
    font-size: 12px;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    white-space: nowrap;
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.intern-login-install {
    width: 100% !important;
    margin: 0 0 18px;
    background: rgba(37, 99, 235, 0.9);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.45);
}

.intern-login-install:hover {
    background: #1d4ed8;
}

.pwa-install-btn:hover {
    background: rgba(255, 255, 255, 0.16);
    transform: translateY(-1px);
}

.nav-actions .pwa-install-btn {
    color: #2563eb;
    border-color: rgba(37, 99, 235, 0.35);
}

.nav-actions .pwa-install-btn:hover {
    background: #eff6ff;
}

.supervisor-actions .pwa-install-btn {
    margin: 0 10px;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 640px) {
    .nav-actions .pwa-install-btn span,
    .supervisor-actions .pwa-install-btn span {
        display: none;
    }

    .nav-actions .pwa-install-btn,
    .supervisor-actions .pwa-install-btn {
        width: 38px;
        padding: 8px;
    }
}