:root {
    --hpgnav--icon-color: #fff;
    --hpgnav--background-color: #1e88e5;
    --hpgnav--border-color: #bbdefb;
}

.navicon {
    display: inline-block;
    width: 1em;
    height: 1em;
    stroke-width: 0;
    stroke: currentColor;
    fill: currentColor;
}
.navicon-define {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;     
}

#hpgnav-nav {
    position: fixed;
    top: auto;
    left: auto;
    right: auto;
    bottom: auto;
    z-index: 99999;
}
.hpgnav-display {
    display: block;
    &.hide {
        display: none;
    }
}

.nav-icons {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;

    .svgicon {
        display: inline-block;
        position: inherit;
        vertical-align: unset;
        height: 22px;
        width: 22px;
        fill: currentColor;
        background-color: transparent;
        padding: 0;
        margin: 0;
    }
} 

#hpgnav-toc-open {
    display: none;
    &:target {
        display:block;        
    }
}
.nav-dialog-overlay {
    display:none;
    position:fixed;
    top:0;
    left:0;
    width:100vw;
    height:100vh;
    background-color: rgba(0,0,0,.4);
    z-index:99999;

    .nav-list-wrap {
        margin: 15vh auto;
        background-color:rgba(255, 250, 250, 1);
    }
}

.nav-dialog-button {
    display: block;
    cursor: pointer;
    padding: 0;
    margin: 0;
    font-size: inherit;
    
    .icon-mark {
        line-height: 1;
        text-align: center;       
        color: var(--hpgnav--icon-color);
        background-color: var(--hpgnav--background-color);
    }
    .nav-mark {
        border: 3px solid var(--hpgnav--border-color);
        border-radius: 50%;        
        width: 68px;
        height: 68px;        
    }
    
    .svgicon.icon-list-ul {
        height: 34px;
        width: 34px;
        margin: 14px 0;    
    }
    .icon-guide { 
        color: var(--hpgnav--icon-color);
    }    
}

.nav-icons {
    .sub-panel {
        display: flex;
        flex-wrap: wrap;
        font-size: 14px;
        gap: 14px;
        padding: 6px 15px 5px;
        margin: 0;
        background-color: var(--hpgnav--background-color);
        border: 3px solid var(--hpgnav--border-color);
        border-radius: 0;
        z-index: 0;

        :is(a) {
            text-decoration: none;            
        }
        .page-panel {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }
        .svgicon {
            vertical-align: middle;
            margin: 0 2px;
        }         
    }
    &.row .sub-panel {
        border-left: none;
        border-bottom-right-radius: 20px;
        border-top-right-radius: 20px;    
        margin-left: -22px;    
    }
    &.row-reverse .sub-panel {
        border-right: none;
        border-bottom-left-radius: 20px;
        border-top-left-radius: 20px;      
        margin-right: -22px;
    }
 
    .nav-page {
        width: 64px;
        cursor: pointer;
        color: var(--hpgnav--icon-color);
        &[disabled] {
            cursor: default;
            color: transparent;
        }    
    }
    .icon-prev .nav-page {
        text-align: left;
    }
    .icon-next .nav-page {
        text-align: right;
    }
}

.nav-list-wrap {
    padding: 0 0 1em;
    width: 90%;
    max-width: 600px;
    height: auto;
    border: 1px solid;
    border-color: #d0d0d0 #c0c0c0 #b0b0b0;        
    border-radius: 5px; 
    
    .nav-header {
        position: sticky;
        top: 0;        
        padding: 5px 0;
        margin: 0;
        background-color: white;
        border-bottom: solid 1px #c3c4c7;
        .nav-title {
            margin: 0 1em;            
            :is(a){
                color: #222;
                text-decoration: none;
                &:hover {
                    color: #222;
                    text-decoration: none;            
                    cursor: pointer;
                }                
            }
            .logo-image {
                margin-right: 8px;
                :is(img){
                    vertical-align: middle;                    
                }
            }
            .main-title {
                font-size: 1.2em;
                vertical-align: middle;
            }
            .hpgnav-dialog-close {
                float: right;
                &:hover {
                    color: red;
                    cursor: pointer;
                }                  
            }
            .svgicon.icon-clearclose {
                height: 32px;
                width: 32px;
                margin: 4px 0;    
            }            
        }
    }
    .nav-content {
        overflow: auto;
        max-height: 65vh;        
    }

    :is(ul){        
        &[class*="page-depth-"] {
            padding: 0;
            margin: 0 0 0 1.5em;
            list-style: none;
            
            :is(li) {
                padding: 0;
                margin: 4px 0;                
            }
        }
        .page-depth-0,
        .page-depth-1 {
            margin: 0;
        }
    }    
}

.nav-page-list {    
    :is(summary) {
        display: list-item;
        font-weight: bold;
        line-height: 2.5;
        color: #888;

        &:hover {
            cursor: pointer;
        }
        &::marker {
            color: #888;
        }
    }
    &.current-page {
        :is(summary) {
            color: #1e88e5;
            &::marker {
                color: #1e88e5;
            }     
        }
    }
}

.toc-links {
    word-wrap: break-word;
    margin: 0 0 1em 1em;

    :is(p) {
        margin: 0;
    }
    :is(ul) {
        margin: 0;
        padding: 0 0 0 1em;
        list-style: disc;    
    }
    :is(ol) {
        margin: 0;
        padding: 0 0 0 1em;
    }
    :is(a).toc-link {
        color: #222;
        text-decoration: none;
        &:hover {
            color: #222;
            text-decoration: underline;            
        }
        &.current-toc {
            color: #000;
            font-weight: bold;
            text-decoration: underline;
        }        
        &.page-top {
            margin-left: 0.8em;
        }        
    }      
}

.toc-anchor {
    padding-top: 32px;
}

#hpgnav-search-dialog {
    display: none;
    &:target {
        display:block;        
    }
}
.sub-panel .svgicon.icon-search {
    margin: -2px 2px 0;
}
#hpgnav-search-form {
    width: auto;
    padding: 4px 16px 16px;
        
    :is(details) {
        margin: 0 0 12px 0;
        min-height: 20px;        
    }
    :is(summary) {
        display: list-item;
        font-size:13px; 
        padding:0 8px;
        width: fit-content;
        float: right;            
        cursor:pointer;
    }    
    :is(fieldset) {
        clear: both;
        display: block;
        border: none;
        margin: 0;
        padding: 0.5em 1em;
        :is(input) {
            margin-right: 5px;
        }
    }
    .search-type { margin-right:1em; }
    .search-guide {
        background-color: #e1f5fe66;
        padding: 1px 8px;
        margin: 8px 0 0;        
        :is(p) {
            font-size: 13px;
            line-height: 1.4;
            margin: 8px 0;
        }
    }    
}
input[type="search"] {
    font-size: inherit;
    line-height: inherit;
	-webkit-appearance: textfield;
    padding: .5em;
    cursor: text;
}
button {
    font-size: inherit;
    line-height: inherit;
    vertical-align: baseline;
    width: auto;    
    padding: .5em 2em;
}
#hpgnav-search-field {
    display: inline-block;
    width: calc(100% - 140px);    
}
#hpgnav-search-result {
    margin-left: 16px;

    .hpgnav-match-list {
        display: block;
        margin: 0;
        padding: 16px;
        max-height: 55vh;
        overflow: auto;

        :is(li) {
            margin: 0 0 10px;
            padding: 0;
            border-bottom: 1px dashed #ddd;

            [id*='post-list-']{
                margin: 0 0 10px;
                color: inherit;

                :is(a) {
                    color: inherit;
                    text-decoration: none;        
                }
                .match-title {
                    font-size: inherit;
                    font-weight: bold;        
                }
                .match-excerpt {
                    font-size: 13px;
                }        
            }
        }        
    }    
}

mark.search-highlight {
    background-color: yellow;
}