.aikiv-pwa-install {
    position: fixed;
    z-index: 100050;
    right: 24px;
    bottom: calc(24px + env(safe-area-inset-bottom));
    display: flex;
    align-items: center;
    gap: 13px;
    width: min(420px, calc(100vw - 32px));
    min-height: 76px;
    padding: 14px 14px 14px 16px;
    border: 1px solid rgba(27, 36, 62, .1);
    border-radius: 20px;
    background: rgba(255, 255, 255, .94);
    color: #20242c;
    box-shadow: 0 18px 55px rgba(24, 33, 62, .2);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
    backdrop-filter: blur(18px) saturate(160%);
    opacity: 0;
    visibility: hidden;
    transform: translate3d(0, 18px, 0);
    transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.aikiv-pwa-install.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translate3d(0, 0, 0);
}

.aikiv-pwa-install__icon {
    display: inline-flex;
    flex: 0 0 46px;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 14px;
    background: var(--aikiv-pwa-accent, #5b6cff);
    color: #fff;
    box-shadow: 0 8px 22px rgba(92, 103, 235, .3);
    font-size: 28px;
    font-weight: 600;
    line-height: 1;
}

.aikiv-pwa-install__content {
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    min-width: 0;
    line-height: 1.45;
}

.aikiv-pwa-install__title {
    margin-bottom: 3px;
    overflow: hidden;
    color: inherit;
    font-size: 15px;
    font-weight: 700;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.aikiv-pwa-install__text {
    color: #687080;
    font-size: 12px;
    line-height: 1.55;
}

.aikiv-pwa-install__actions {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 7px;
}

.aikiv-pwa-install__button,
.aikiv-pwa-install__close {
    appearance: none;
    -webkit-appearance: none;
    margin: 0;
    border: 0;
    cursor: pointer;
    font: inherit;
}

.aikiv-pwa-install__button {
    min-height: 36px;
    padding: 0 14px;
    border-radius: 999px;
    background: var(--aikiv-pwa-accent, #5b6cff);
    color: #fff;
    box-shadow: 0 6px 18px rgba(91, 108, 255, .24);
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
}

.aikiv-pwa-install__button:hover,
.aikiv-pwa-install__button:focus-visible {
    background: #4859ee;
    color: #fff;
}

.aikiv-pwa-install__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    padding: 0;
    border-radius: 50%;
    background: rgba(95, 104, 122, .09);
    color: #747b88;
    font-size: 21px;
    line-height: 1;
}

.aikiv-pwa-install__close:hover,
.aikiv-pwa-install__close:focus-visible {
    background: rgba(95, 104, 122, .16);
    color: #333943;
}

item.aikiv-pwa-service-entry {
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

item.aikiv-pwa-service-entry:focus-visible {
    border-radius: 10px;
    outline: 2px solid var(--aikiv-pwa-accent, #5b6cff);
    outline-offset: 4px;
}

.aikiv-pwa-widget-card {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 12px 13px;
    align-items: center;
    padding: 17px;
    border: 1px solid rgba(27, 36, 62, .08);
    border-radius: 16px;
    background: linear-gradient(145deg, rgba(91, 108, 255, .09), rgba(255, 255, 255, .96) 48%);
    color: #20242c;
    box-shadow: 0 10px 28px rgba(24, 33, 62, .08);
}

.aikiv-pwa-widget-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 15px;
    background: var(--aikiv-pwa-accent, #5b6cff);
    color: #fff;
    box-shadow: 0 8px 20px rgba(91, 108, 255, .24);
    font-size: 27px;
    font-weight: 700;
    line-height: 1;
}

.aikiv-pwa-widget-card__content {
    display: flex;
    flex-direction: column;
    min-width: 0;
    line-height: 1.5;
}

.aikiv-pwa-widget-card__title {
    margin-bottom: 3px;
    color: inherit;
    font-size: 15px;
    font-weight: 700;
}

.aikiv-pwa-widget-card__text {
    color: #697283;
    font-size: 12px;
    line-height: 1.65;
}

.aikiv-pwa-widget-card__button,
.aikiv-pwa-inline-button {
    appearance: none;
    -webkit-appearance: none;
    border: 0;
    border-radius: 999px;
    background: var(--aikiv-pwa-accent, #5b6cff);
    color: #fff;
    box-shadow: 0 7px 20px rgba(91, 108, 255, .2);
    cursor: pointer;
    font: inherit;
    font-size: 13px;
    font-weight: 600;
    transition: filter .18s ease, transform .18s ease;
}

.aikiv-pwa-widget-card__button {
    grid-column: 1 / -1;
    width: 100%;
    min-height: 38px;
    padding: 0 16px;
}

.aikiv-pwa-inline-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 40px;
    padding: 0 18px;
}

.aikiv-pwa-inline-button span {
    font-size: 18px;
    line-height: 1;
}

.aikiv-pwa-widget-card__button:hover,
.aikiv-pwa-widget-card__button:focus-visible,
.aikiv-pwa-inline-button:hover,
.aikiv-pwa-inline-button:focus-visible {
    color: #fff;
    filter: brightness(.94);
    transform: translateY(-1px);
}

.aikiv-pwa-widget-card__button:focus-visible,
.aikiv-pwa-inline-button:focus-visible {
    outline: 2px solid var(--aikiv-pwa-accent, #5b6cff);
    outline-offset: 3px;
}

body.aikiv-pwa-guide-open {
    overflow: hidden;
}

.aikiv-pwa-guide {
    position: fixed;
    z-index: 100200;
    inset: 0;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-top: max(20px, env(safe-area-inset-top));
    background: rgba(17, 22, 35, .46);
    -webkit-backdrop-filter: blur(9px);
    backdrop-filter: blur(9px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s ease, visibility .25s ease;
}

.aikiv-pwa-guide.is-visible {
    opacity: 1;
    visibility: visible;
}

.aikiv-pwa-guide__sheet {
    position: relative;
    width: min(100%, 520px);
    max-height: calc(100vh - 20px);
    max-height: calc(100dvh - max(20px, env(safe-area-inset-top)));
    overflow-y: auto;
    padding: 24px 20px calc(20px + env(safe-area-inset-bottom));
    border: 1px solid rgba(255, 255, 255, .65);
    border-bottom: 0;
    border-radius: 28px 28px 0 0;
    background: rgba(255, 255, 255, .98);
    color: #20242c;
    box-shadow: 0 -18px 60px rgba(18, 26, 51, .22);
    transform: translate3d(0, 32px, 0);
    transition: transform .28s cubic-bezier(.22, .75, .25, 1);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    -webkit-overflow-scrolling: touch;
}

.aikiv-pwa-guide.is-visible .aikiv-pwa-guide__sheet {
    transform: translate3d(0, 0, 0);
}

.aikiv-pwa-guide__close {
    position: absolute;
    top: 16px;
    right: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: #f0f2f6;
    color: #687080;
    cursor: pointer;
    font-size: 22px;
    line-height: 1;
}

.aikiv-pwa-guide__header {
    display: flex;
    align-items: center;
    gap: 13px;
    padding-right: 40px;
}

.aikiv-pwa-guide__app-icon {
    display: inline-flex;
    flex: 0 0 58px;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 58px;
    overflow: hidden;
    border-radius: 16px;
    background: var(--aikiv-pwa-accent, #5b6cff);
    color: #fff;
    box-shadow: 0 9px 24px rgba(91, 108, 255, .24);
    font-size: 30px;
    font-weight: 700;
}

.aikiv-pwa-guide__app-icon img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.aikiv-pwa-guide__heading {
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    min-width: 0;
}

.aikiv-pwa-guide__browser {
    align-self: flex-start;
    margin-bottom: 4px;
    padding: 2px 8px;
    border-radius: 999px;
    background: rgba(91, 108, 255, .1);
    color: var(--aikiv-pwa-accent, #5b6cff);
    font-size: 10px;
    font-weight: 700;
}

.aikiv-pwa-guide__title {
    overflow: hidden;
    color: inherit;
    font-size: 20px;
    font-weight: 760;
    line-height: 1.3;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.aikiv-pwa-guide__app-name {
    margin-top: 2px;
    overflow: hidden;
    color: #7a8291;
    font-size: 12px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.aikiv-pwa-guide__steps {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 22px 0 0;
    padding: 0;
    list-style: none;
}

.aikiv-pwa-guide__step {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 13px;
    border: 1px solid rgba(31, 43, 74, .07);
    border-radius: 15px;
    background: #f7f8fb;
}

.aikiv-pwa-guide__number {
    display: inline-flex;
    flex: 0 0 28px;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--aikiv-pwa-accent, #5b6cff);
    color: #fff;
    box-shadow: 0 5px 14px rgba(91, 108, 255, .2);
    font-size: 12px;
    font-weight: 700;
}

.aikiv-pwa-guide__step-content {
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    min-width: 0;
}

.aikiv-pwa-guide__step-title {
    margin-bottom: 3px;
    color: inherit;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.45;
}

.aikiv-pwa-guide__step-text {
    color: #697283;
    font-size: 12px;
    line-height: 1.65;
}

.aikiv-pwa-guide__note {
    margin-top: 12px;
    padding: 10px 12px;
    border-radius: 12px;
    background: #fff8e8;
    color: #8a6517;
    font-size: 11px;
    line-height: 1.65;
}

.aikiv-pwa-guide__done {
    appearance: none;
    -webkit-appearance: none;
    width: 100%;
    min-height: 44px;
    margin-top: 16px;
    padding: 0 18px;
    border: 0;
    border-radius: 999px;
    background: var(--aikiv-pwa-accent, #5b6cff);
    color: #fff;
    box-shadow: 0 8px 22px rgba(91, 108, 255, .22);
    cursor: pointer;
    font: inherit;
    font-size: 14px;
    font-weight: 700;
}

.aikiv-pwa-guide__close:focus-visible,
.aikiv-pwa-guide__done:focus-visible {
    outline: 2px solid var(--aikiv-pwa-accent, #5b6cff);
    outline-offset: 3px;
}

body.dark-theme .aikiv-pwa-install {
    border-color: rgba(255, 255, 255, .1);
    background: rgba(30, 33, 39, .94);
    color: #f3f5f9;
    box-shadow: 0 18px 55px rgba(0, 0, 0, .38);
}

body.dark-theme .aikiv-pwa-install__text {
    color: #b9c0cc;
}

body.dark-theme .aikiv-pwa-install__close {
    background: rgba(255, 255, 255, .09);
    color: #c9ced8;
}

body.dark-theme .aikiv-pwa-widget-card {
    border-color: rgba(255, 255, 255, .08);
    background: linear-gradient(145deg, rgba(91, 108, 255, .16), rgba(35, 38, 44, .97) 48%);
    color: #f3f5f9;
    box-shadow: 0 10px 28px rgba(0, 0, 0, .22);
}

body.dark-theme .aikiv-pwa-widget-card__text {
    color: #b9c0cc;
}

body.dark-theme .aikiv-pwa-guide__sheet {
    border-color: rgba(255, 255, 255, .09);
    background: rgba(31, 34, 40, .98);
    color: #f3f5f9;
    box-shadow: 0 -18px 60px rgba(0, 0, 0, .42);
}

body.dark-theme .aikiv-pwa-guide__close {
    background: rgba(255, 255, 255, .09);
    color: #c9ced8;
}

body.dark-theme .aikiv-pwa-guide__app-name,
body.dark-theme .aikiv-pwa-guide__step-text {
    color: #b9c0cc;
}

body.dark-theme .aikiv-pwa-guide__step {
    border-color: rgba(255, 255, 255, .07);
    background: rgba(255, 255, 255, .055);
}

body.dark-theme .aikiv-pwa-guide__note {
    background: rgba(219, 164, 46, .12);
    color: #e8c36d;
}

.aikiv-pwa-is-installed .aikiv-pwa-install-trigger,
.aikiv-pwa-is-installed .aikiv-pwa-widget-card,
.aikiv-pwa-is-installed .aikiv-pwa-install-widget {
    display: none !important;
}

@media (max-width: 767px) {
    .aikiv-pwa-install {
        right: 12px;
        bottom: calc(82px + env(safe-area-inset-bottom));
        width: calc(100vw - 24px);
        min-height: 72px;
        padding: 12px;
        border-radius: 18px;
    }

    .aikiv-pwa-install__icon {
        flex-basis: 42px;
        width: 42px;
        height: 42px;
        border-radius: 13px;
        font-size: 25px;
    }

    .aikiv-pwa-install__button {
        min-height: 34px;
        padding: 0 12px;
    }
}

@media (min-width: 768px) {
    .aikiv-pwa-guide {
        align-items: center;
        padding: 24px;
    }

    .aikiv-pwa-guide__sheet {
        max-height: calc(100vh - 48px);
        padding: 25px;
        border-bottom: 1px solid rgba(255, 255, 255, .65);
        border-radius: 26px;
        transform: translate3d(0, 18px, 0) scale(.985);
    }

    .aikiv-pwa-guide.is-visible .aikiv-pwa-guide__sheet {
        transform: translate3d(0, 0, 0) scale(1);
    }
}

@media (display-mode: standalone), (display-mode: fullscreen) {
    .aikiv-pwa-install,
    .aikiv-pwa-install-trigger,
    .aikiv-pwa-widget-card,
    .aikiv-pwa-install-widget {
        display: none !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    .aikiv-pwa-install,
    .aikiv-pwa-guide,
    .aikiv-pwa-guide__sheet {
        transition: none;
    }
}