.online-play-page {
    background: #F8F9FA;
}

.game-container {
    position: relative;
    width: 100%;
    min-height: calc(100vh - 65px);
    display: flex;
    flex-direction: column;
    background: #F8F9FA;
}

.online-game-tab {
    min-height: 58px;
}

.game-action-bar {
    border-bottom: 1px solid #E9ECEF;
}

.game-iframe-wrapper {
    position: relative;
    flex: 1;
    width: 100%;
    overflow: hidden;
    min-height: 560px;
    background: #111827;
}

.game-iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

.game-loading {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.96);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

@media (min-width: 768px) {
    .game-iframe-wrapper {
        max-width: 1280px;
        min-height: max(620px, calc(100vh - 230px));
        margin: 16px auto;
        border: 1px solid #E9ECEF;
        border-radius: 8px;
        box-shadow: 0 18px 35px rgba(44, 62, 80, 0.12);
    }
}

@media (max-width: 767px) {
    .game-container {
        min-height: calc(100dvh - 57px);
    }

    .game-iframe-wrapper {
        min-height: 72dvh;
    }
}