.ft-gravity-cave {
    width: 100%;
    max-width: 1180px;
    margin: 24px auto;
    color: #eef3ff;
    font-family: Arial, Helvetica, sans-serif;
}

.ft-gravity-cave__toolbar {
    display: flex;
    justify-content: flex-end;
    margin: 0 0 10px;
}

.ft-gravity-cave__fullscreen {
    appearance: none;
    border: 0;
    border-radius: 12px;
    padding: 10px 16px;
    background: linear-gradient(180deg, #243454, #111b31);
    color: #fff;
    box-shadow: 0 5px 14px rgba(0, 0, 0, .22);
    cursor: pointer;
    font-size: 15px;
    font-weight: 800;
    line-height: 1.2;
}

.ft-gravity-cave__fullscreen:hover,
.ft-gravity-cave__fullscreen:focus-visible {
    filter: brightness(1.15);
    outline: 3px solid rgba(108, 230, 255, .55);
    outline-offset: 2px;
}

.ft-gravity-cave__frame-wrap {
    position: relative;
    width: 100%;
    height: clamp(620px, 71vw, 820px);
    overflow: hidden;
    border-radius: 18px;
    background: #aab0ba;
    box-shadow: 0 14px 38px rgba(0, 0, 0, .22);
}

.ft-gravity-cave__frame {
    display: block;
    width: 100%;
    height: 100%;
    border: 0;
    background: #aab0ba;
}

.ft-gravity-cave:fullscreen {
    width: 100vw;
    max-width: none;
    height: 100vh;
    margin: 0;
    padding: 10px;
    background: #969ca8;
}

.ft-gravity-cave:fullscreen .ft-gravity-cave__toolbar {
    height: 42px;
    margin-bottom: 8px;
}

.ft-gravity-cave:fullscreen .ft-gravity-cave__frame-wrap {
    height: calc(100vh - 60px);
    border-radius: 12px;
}

@media (max-width: 900px) {
    .ft-gravity-cave__frame-wrap {
        height: min(920px, 142vw);
        min-height: 560px;
    }
}

@media (max-width: 600px) {
    .ft-gravity-cave {
        margin: 14px auto;
    }

    .ft-gravity-cave__fullscreen {
        padding: 9px 13px;
        font-size: 14px;
    }

    .ft-gravity-cave__frame-wrap {
        height: 132vw;
        min-height: 500px;
        max-height: 760px;
        border-radius: 12px;
    }
}