// =============================================================================
// Fab button
// =============================================================================
.isekai-fab-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    position: fixed;
    z-index: 50;
    right: 18px;
    bottom: 8em;
    bottom: 15vh;

    @media screen and (min-width: 1340px) {
        right: 44px;
    }
}

.isekai-fab-hidden {
    display: none;
}

.isekai-fab-btn {
    display: flex;
    width: 48px;
    height: 48px;
    padding: 0;
    border: 1px #eee solid;
    outline: none;
    align-items: center;
    justify-content: center;
    text-align: center;
    border-radius: 50%;
    text-shadow: none;
    background-color: rgba(255, 255, 255, 0.95);
    color: #333;
    box-shadow: 0 4px 16px 0 rgba(0, 0, 0, 0.12);
    user-select: none;
    -webkit-touch-callout: none;
    -webkit-user-select: none;

    &:hover {
        background-color: rgba(255, 255, 255, 0.9);
        color: #000;
    }

    &:active,
    &:focus {
        outline: none;
    }

    @media screen and (max-width: 850px) {
        display: none;
    }

    @media print {
        display: none;
    }
}

.skin-citizen {
    .isekai-fab-btn {
        border-color: var(--border-color-base);
        background-color: var(--color-surface-2);
        color: var(--color-emphasized);

        &:hover {
            border-color: var(--border-color-base);
            background-color: var(--color-surface-2--hover);
            color: var(--color-emphasized);
        }
    }
}

// =============================================================================
// Context menu
// =============================================================================
.isekai-contextmenu-cover {
    position: fixed;
    z-index: 100;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: transparent;
    cursor: default;
}

#iseai-contextmenu {
    position: fixed;
    z-index: 105;
}

// =============================================================================
// Bottom Navbar
// =============================================================================
@isekai-bottom-nav-button-size: 40px;

.isekai-bottom-nav-container {
    position: fixed;
    z-index: 100;
    bottom: -2px; // Fix white line at the bottom
    left: 0;
    width: 100%;
    height: (@isekai-bottom-nav-button-size + 2px);
    height: ~"calc(var(--safe-area-inset-bottom, 0px) + " (@isekai-bottom-nav-button-size + 2px) ~")";
    padding-bottom: 2px;
    box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.12);
    background-color: #fff;
    box-sizing: border-box;
    user-select: none;
    -webkit-touch-callout: none;
    -webkit-user-select: none;

    // Safe area
    padding-left: var(--safe-area-inset-left);
    padding-right: var(--safe-area-inset-right);
    padding-bottom: ~"calc(var(--safe-area-inset-bottom, 0px) + 2px)";

    @media print {
        display: none;
    }

    @media screen and (min-width: 851px) {
        display: none;
    }
}

.isekai-bottom-nav {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

@supports(backdrop-filter: blur(10px)) {
    .isekai-bottom-nav-container {
        background-color: rgba(255, 255, 255, 0.8);
        backdrop-filter: blur(20px) saturate(120%);
    }
}

// iOS
@supports(-webkit-backdrop-filter: blur(10px)) {
    .isekai-bottom-nav-container {
        background-color: rgba(255, 255, 255, 0.8);
        -webkit-backdrop-filter: blur(20px) saturate(120%);
    }
}

@media screen and (max-width: 850px) {
    .isekai-bottom-nav-placeholder {
        display: flex;
        width: 100%;
        height: @isekai-bottom-nav-button-size;
        height: ~"calc(var(--safe-area-inset-bottom, 0px) + " @isekai-bottom-nav-button-size ~")";
    }
}

.isekai-bottom-nav-btn {
    display: block;
    flex-grow: 0;
    flex-shrink: 0;
    flex-basis: (@isekai-bottom-nav-button-size + 10px);
    width: (@isekai-bottom-nav-button-size + 10px);
    height: @isekai-bottom-nav-button-size;
    line-height: @isekai-bottom-nav-button-size;
    text-align: left;
    font-size: 18px;
    color: #333;

    &:hover {
        background-color: rgba(0, 0, 0, 0.05);
        color: #333;
        text-decoration: none;
    }

    &:active {
        background-color: rgba(0, 0, 0, 0.1);
        color: #333;
        text-decoration: none;
    }
}

.isekai-bottom-nav-btn-expand {
    flex-grow: 1;
    flex-shrink: 1;
    flex-basis: auto;
    width: 100%;
    display: flex;
    overflow: hidden;
}

.isekai-bottom-nav-btn-icon {
    display: flex;
    flex-grow: 0;
    flex-shrink: 0;
    flex-basis: (@isekai-bottom-nav-button-size + 10px);
    width: (@isekai-bottom-nav-button-size + 10px);
    height: @isekai-bottom-nav-button-size;
    line-height: @isekai-bottom-nav-button-size;
    text-align: center;
    align-items: center;
    justify-content: center;
}

.isekai-bottom-nav-btn-label {
    display: inline-block;
    flex-grow: 1;
    flex-shrink: 1;
    flex-basis: auto;
    line-height: @isekai-bottom-nav-button-size;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
    padding-right: 10px;
}

.ve-activated {
    .isekai-fab-group {
        display: none;
    }

    .isekai-bottom-nav-container {
        display: none;
    }
}

@media screen and (max-width: 850px) {
    .use-isekai-bottom-nav {
        &.skin-minerva {
            #mw-mf-page-center {
                padding-bottom: @isekai-bottom-nav-button-size;
                padding-bottom: ~"calc(var(--safe-area-inset-bottom, 0px) + " @isekai-bottom-nav-button-size ~")";
            }
        }

        &.skin-citizen {
            .isekai-bottom-nav-container {
                z-index: 201;
            }

            .page-actions,
            .citizen-toc {
                bottom: ~"calc(var(--header-size) + var(--space-xs) + " @isekai-bottom-nav-button-size ~")";
            }
    
            .citizen-header {
                bottom: @isekai-bottom-nav-button-size;
            }

            .citizen-feature-autohide-navigation-clientpref-1 .citizen-scroll--down .citizen-header {
                transform: translate3d(0, 200%, 0);
            }
        }
    }
}

.skin-citizen-dark {
    .isekai-bottom-nav-container {
        background-color: rgba(0, 0, 0, 0.8);
        backdrop-filter: blur(20px) saturate(120%);
    }

    .isekai-bottom-nav-btn {
        color: var(--color-base);
    }
}