.kbmb-pwa-install-slot {
    width: 100%;
    max-width: 1240px;
    margin: 8px auto 0;
    padding: 0 12px;
}

.kbmb-pwa-install-hint {
    margin: 0 0 12px;
    padding: 14px 16px;
    border: 1px solid rgba(31, 38, 50, 0.08);
    border-radius: 24px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(250, 247, 240, 0.88));
    box-shadow: 0 14px 34px rgba(17, 22, 30, 0.08);
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: nowrap;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.kbmb-pwa-install-hint__badge {
    width: 46px;
    height: 46px;
    flex: 0 0 46px;
    border-radius: 16px;
    background:
        linear-gradient(180deg, rgba(44, 60, 83, 0.12), rgba(44, 60, 83, 0.05));
    color: var(--kbmb-band-bg, #2c3e50);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 0 0 1px rgba(44, 60, 83, 0.06);
}

.kbmb-pwa-install-hint__badge svg {
    width: 22px;
    height: 22px;
    display: block;
}

.kbmb-pwa-install-hint__content {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
    flex: 1 1 420px;
}

.kbmb-pwa-install-hint__title {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.01em;
    color: #1f2937;
}

.kbmb-pwa-install-hint__help {
    margin: 0;
    font-size: 14px;
    color: #5b6473;
    line-height: 1.45;
    max-width: 64ch;
}

.kbmb-pwa-install-hint__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 0;
    margin-left: auto;
    justify-content: flex-end;
    align-items: center;
}

.kbmb-pwa-install-hint__btn {
    border: 0 !important;
    border-radius: 999px !important;
    padding: 9px 16px !important;
    font: inherit !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    cursor: pointer;
    line-height: 1.2 !important;
    text-decoration: none !important;
    box-shadow: none !important;
    appearance: none;
    -webkit-appearance: none;
    transition:
        transform .16s ease,
        opacity .16s ease,
        background-color .16s ease,
        color .16s ease,
        border-color .16s ease;
    white-space: nowrap;
}

.kbmb-pwa-install-hint__btn--primary {
    color: #ffffff !important;
    background: linear-gradient(180deg, #2f3d52, #222b3a) !important;
    box-shadow: 0 10px 18px rgba(34, 43, 58, 0.18);
}

.kbmb-pwa-install-hint__btn--ghost {
    color: #253142 !important;
    background: rgba(255, 255, 255, 0.72) !important;
    border: 1px solid rgba(37, 49, 66, 0.12) !important;
}

.kbmb-pwa-install-hint__btn--tutorial {
    color: var(--kbmb-band-bg, #2c3e50) !important;
}

.kbmb-pwa-install-hint__btn--text {
    padding-inline: 10px !important;
    background: transparent !important;
    color: #5b6473 !important;
}

.kbmb-pwa-install-hint__btn:focus-visible {
    outline: 2px solid rgba(44, 60, 83, 0.22);
    outline-offset: 2px;
}

.kbmb-pwa-install-hint__btn:hover {
    transform: translateY(-1px);
}

.kbmb-pwa-install-hint__btn--primary:hover {
    box-shadow: 0 12px 20px rgba(34, 43, 58, 0.22);
}

.kbmb-pwa-install-hint__btn--text:hover {
    opacity: .82;
}

body.kbmb-pwa-install-modal-open {
    overflow: hidden;
}

.kbmb-pwa-install-tutorial {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background:
        radial-gradient(circle at top, rgba(255, 255, 255, 0.1), transparent 28%),
        rgba(19, 22, 29, 0.56);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px;
}

.kbmb-pwa-install-tutorial__dialog {
    width: min(560px, 100%);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(250, 247, 240, 0.94));
    border: 1px solid rgba(31, 38, 50, 0.12);
    border-radius: 28px;
    box-shadow: 0 28px 72px rgba(21, 24, 32, 0.28);
    padding: 18px;
    color: #2b3442;
    position: relative;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.kbmb-pwa-install-tutorial__header {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 12px;
}

.kbmb-pwa-install-tutorial__mark {
    width: 46px;
    height: 46px;
    flex: 0 0 46px;
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(44, 60, 83, 0.12), rgba(44, 60, 83, 0.05));
    color: #2c3e50;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 0 0 1px rgba(44, 60, 83, 0.06);
}

.kbmb-pwa-install-tutorial__mark svg {
    width: 22px;
    height: 22px;
    display: block;
}

.kbmb-pwa-install-tutorial__header-text {
    min-width: 0;
    flex: 1 1 auto;
}

.kbmb-pwa-install-tutorial__eyebrow {
    margin: 0 0 6px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #718096;
}

.kbmb-pwa-install-tutorial__title {
    margin: 0 0 8px;
    padding-right: 0;
    font-size: 22px;
    line-height: 1.15;
    color: #1f2937;
    letter-spacing: -0.01em;
}

.kbmb-pwa-install-tutorial__intro {
    margin: 0 0 8px;
    color: #4f5e70;
    font-size: 15px;
    line-height: 1.45;
}

.kbmb-pwa-install-tutorial__platform {
    margin: 0 0 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 12px;
    border-radius: 999px;
    background: rgba(44, 60, 83, 0.06);
    border: 1px solid rgba(44, 60, 83, 0.08);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: #1f3248;
    width: fit-content;
}

.kbmb-pwa-install-tutorial__steps {
    margin: 0;
    padding: 0;
    display: grid;
    gap: 10px;
    list-style: none;
}

.kbmb-pwa-install-tutorial__step {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 14px 13px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(37, 49, 66, 0.08);
    box-shadow: 0 8px 18px rgba(21, 24, 32, 0.05);
    color: #2f3f52;
    line-height: 1.4;
}

.kbmb-pwa-install-tutorial__step-number {
    width: 28px;
    height: 28px;
    flex: 0 0 28px;
    border-radius: 999px;
    background: linear-gradient(180deg, #2f3d52, #222b3a);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    line-height: 1;
    box-shadow: 0 8px 16px rgba(34, 43, 58, 0.16);
}

.kbmb-pwa-install-tutorial__step-copy {
    padding-top: 1px;
    font-size: 15px;
}

.kbmb-pwa-install-tutorial__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 42px;
    padding: 11px 16px;
    border-radius: 999px;
    border: 1px solid rgba(44, 62, 80, 0.14);
    background: rgba(255, 255, 255, 0.92);
    color: rgba(44, 62, 80, 0.82);
    text-decoration: none;
    box-shadow: 0 12px 30px rgba(44, 62, 80, 0.10);
    font-size: 14px;
    line-height: 1;
    font-weight: 600;
    letter-spacing: -0.01em;
    cursor: pointer;
    transition:
        transform .16s ease,
        box-shadow .16s ease,
        background .16s ease,
        color .16s ease,
        border-color .16s ease,
        opacity .16s ease;
    -webkit-appearance: none;
    appearance: none;
}

.kbmb-pwa-install-tutorial__btn:hover,
.kbmb-pwa-install-tutorial__btn:focus-visible {
    transform: translateY(-1px);
}

.kbmb-pwa-install-tutorial__btn:focus-visible {
    outline: none;
    border-color: rgba(212, 175, 55, 0.35);
    box-shadow: 0 14px 34px rgba(44, 62, 80, 0.12);
}

.kbmb-pwa-install-tutorial__btn--secondary {
    background: rgba(255, 255, 255, 0.92);
    color: rgba(44, 62, 80, 0.82);
    border-color: rgba(44, 62, 80, 0.14);
}

.kbmb-pwa-install-tutorial__btn--secondary:hover,
.kbmb-pwa-install-tutorial__btn--secondary:focus-visible {
    background: rgba(255, 255, 255, 0.98);
    color: #d4af37;
}

.kbmb-pwa-install-tutorial__btn--primary {
    background: rgba(255, 255, 255, 0.92);
    color: rgba(44, 62, 80, 0.82);
    border-color: rgba(44, 62, 80, 0.14);
    box-shadow: 0 12px 30px rgba(44, 62, 80, 0.10);
}

.kbmb-pwa-install-tutorial__btn--primary:hover,
.kbmb-pwa-install-tutorial__btn--primary:focus-visible {
    background: rgba(255, 255, 255, 0.98);
    color: #d4af37;
    border-color: rgba(212, 175, 55, 0.35);
    box-shadow: 0 14px 34px rgba(44, 62, 80, 0.12);
}

.kbmb-pwa-install-tutorial__footer {
    display: flex;
    justify-content: flex-end;
    margin-top: 16px;
}

.kbmb-pwa-install-tutorial button.kbmb-pwa-install-tutorial__done {
    min-width: 132px;
    min-height: 48px;
    padding: 0 22px;
    border-radius: 9999px !important;
    background: linear-gradient(180deg, #2f3d52, #222b3a) !important;
    color: #ffffff !important;
    border: 1px solid rgba(34, 43, 58, 0.18) !important;
    box-shadow: 0 10px 18px rgba(34, 43, 58, 0.18) !important;
}

.kbmb-pwa-install-tutorial button.kbmb-pwa-install-tutorial__done:hover,
.kbmb-pwa-install-tutorial button.kbmb-pwa-install-tutorial__done:focus-visible {
    transform: translateY(-1px);
    background: linear-gradient(180deg, #34455d, #253142) !important;
    color: #ffffff !important;
    border-color: rgba(34, 43, 58, 0.22) !important;
    box-shadow: 0 12px 20px rgba(34, 43, 58, 0.22) !important;
    outline: none !important;
}

@media (max-width: 768px) {
    .kbmb-pwa-install-hint {
        align-items: flex-start;
        gap: 10px;
        padding: 12px;
        border-radius: 20px;
        flex-wrap: wrap;
    }

    .kbmb-pwa-install-hint__badge {
        width: 42px;
        height: 42px;
        flex-basis: 42px;
        border-radius: 14px;
    }

    .kbmb-pwa-install-hint__content {
        flex-basis: 100%;
    }

    .kbmb-pwa-install-hint__actions {
        flex-basis: 100%;
        margin-left: 0;
        justify-content: flex-start;
    }

    .kbmb-pwa-install-tutorial {
        padding: 12px;
    }

    .kbmb-pwa-install-tutorial__dialog {
        padding: 14px;
        border-radius: 22px;
    }

    .kbmb-pwa-install-tutorial__header {
        gap: 12px;
    }

    .kbmb-pwa-install-tutorial__mark {
        width: 42px;
        height: 42px;
        flex-basis: 42px;
        border-radius: 14px;
    }

    .kbmb-pwa-install-tutorial__title {
        font-size: 18px;
    }

    .kbmb-pwa-install-tutorial__intro,
    .kbmb-pwa-install-tutorial__step-copy {
        font-size: 14px;
    }

    .kbmb-pwa-install-tutorial__step {
        padding: 12px;
        gap: 10px;
    }

    .kbmb-pwa-install-tutorial__btn {
        min-height: 40px;
        padding: 10px 14px;
        font-size: 13px;
    }

    .kbmb-pwa-install-tutorial__done {
        min-width: 112px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .kbmb-pwa-install-hint__btn {
        transition: none;
    }

    .kbmb-pwa-install-hint__btn:hover {
        transform: none;
    }

    .kbmb-pwa-install-tutorial__btn {
        transition: none;
    }

    .kbmb-pwa-install-tutorial__btn:hover,
    .kbmb-pwa-install-tutorial__btn:focus-visible {
        transform: none;
    }
}