style.css

:root {
    --light_bg: #3e3d40;
    --dark_bg: #313133;
    --light_txt : #dbdbdd;
    --dark_txt : #a3a3a3;
    --accent : #fb606e;
    --accent-muted :rgb(151, 80, 86);
    --vdark : #1b1b1b;
    --titlef : titlefont;
    --textf : breadtextfont;
    --hover_col : #ada9b2;
}


@font-face {
    font-family: titlefont;
    src: url(Fonts/Raleway-Light.ttf);
}


@font-face {
    font-family: breadtextfont;
    src: url(Fonts/NotoSerif-Regular.ttf);
}


::-webkit-scrollbar {
    width: 2px;
    height: 2px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background-color: var(--light_txt);
    border-radius: 20px;
    border: transparent;
}

html {
    background-color: var(--light_bg);
}

body{
    margin-top: 0px; 
    margin-bottom: 0px; 
    margin-left: 0px; 
    margin-right: 0px;
    padding: 0;
    overflow: hidden;
}


/* Three Main Sections of UI */


#section-molview{
    position: absolute;
    height: 80vh;
    width: min(75vw,calc(100% - 350px) );
    max-width: 75vw;
    max-height: 80vh;
}

#section-buttombar {
    position: absolute;
    height: 20vh;
    width: min(75vw,calc(100% - 350px) );
    top: 80vh;
    background-color: var(--dark_bg);
    border-top: var(--vdark) solid 2px;
}

#section-sidebar{
    position: absolute;
    height: 100vh;
    width: 25%;
    left: min(75%, calc(100% - 350px));
    min-width: 350px;
    background-color: var(--dark_bg);
    border-left: var(--vdark) solid 2px;
}


#load{
    text-align: center;
    position: absolute;
    top: 25%;
    text-align: center;
    width: 100%;
    color: var(--light_txt);
    font-family: var(--titlef);
}


.err{
    text-align: center;
    position: absolute;
    top: 25%;
    text-align: center;
    width: 100%;
    color: var(--light_txt);
    font-family: var(--textf);
}

/* Side Bar */

.tabcontain-side {
    float: top;
    background-color: var(--light_bg);
    width: 100%;
    height: 50px;
    overflow-y: hidden;
    overflow-x: auto;
    vertical-align:top;
    white-space: nowrap;
}

.tabcontain-side button {
    display: inline-block;
    background-color: inherit;
    color: var(--light_txt);
    padding: 10px 16px;
    height: 50px;
    width: 32%;
    min-width: 100px;
    border: none;
    outline: none;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.075, 0.82, 0.165, 1) ;
    border-right: 2px var(--vdark) solid;
    border-left: 0px;
    line-height: 100%;
    vertical-align:top;
    margin: 0;
    font-family: var(--titlef);

}

.tabcontain-side button:hover {
    background-color: var(--dark_bg);
    color: var(--light_txt);
}

.tabcontain-side button.active {
    background-color: var(--dark_bg);
    color: var(--accent);
    border-bottom: var(--vdark) solid 2px;
}


/* Mol File View */



.atm_line_con{
    width: 8%;
    display: inline-block;
    vertical-align:top;
    border-right: 2px var(--light_txt) solid;
    margin-right: 6px;
    padding-right: 6pt;
}

.mol_line_con{

    display: inline-block;
    color : var(--light_txt);
    font-family: 'Courier New', Courier, monospace;
    font-size:small;
    text-align: left;
    cursor:default;
    vertical-align:top;
    white-space: nowrap;

}

.molline{
    height: 15px;
    font-family: 'Courier New', Courier, monospace;
    white-space: nowrap;
    padding-top: 4px;
    padding-bottom: 4px;
    border-bottom: 3px solid var(--vdark);

}

.molline:hover {
    border-bottom: 3px solid var(--accent);

}

.atmnum{
    height: 15px;
    color : var(--light_txt);
    text-align: left;
    font-family: 'Courier New', Courier, monospace;
    padding-top: 4px;
    padding-bottom: 4px;
    border-bottom: 3px solid var(--dark_bg);
    line-height: 100%;
}



/* About */


#tab-about{
    border-radius: 20px;
    height: 40px;
    width: 40px;
    position: absolute;
    /* left: calc(75% - 60px); */
    background-color: var(--light_bg);
    color: var(--light_txt);
    font-size: 20px;
    font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    border: 2px solid var(--vdark);
    top: 6px;
    text-align: center;
    line-height: 40px;
    cursor: pointer;
    left: min(calc(75% - 60px), calc(100% - 350px - 60px));
}

#tab-about:hover {
    background-color: var(--dark_bg);
    color: var(--dark_txt);
}

#tab-about.active {
    background-color: var(--vdark);
    color: var(--accent);
}


.collapsible {
    background-color: var(--dark_bg);
    color: var(--dark_txt);
    cursor: pointer;
    padding: 10px;
    width: 100%;
    border: none;
    text-align: left;
    outline: none;
    font-size: 15px;
    border-bottom: 2px solid var(--dark_txt);
    font-family: var(--titlef);
    margin-top: 20px;
}
  
.active, .collapsible:hover {
    color: var(--light_txt);
    border-bottom: 2px solid var(--dark_txt);
}
  
.collapsible:after {
    content: '\002B';
    color: var(--light_txt);
    font-weight: bold;
    float: right;
    margin-left: 5px;
}
  
.collapsible.active:after {
    content: "\2212";
    
}
  
.colapsecontent {
    padding: 0 18px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease-out;
    background-color: var(--light_bg);
    color: var(--light_txt);
    white-space: normal;
    text-align: justify;
    font-family: var(--textf);
    font-size: small;
}



a:link {
    color: var(--accent);
}
  

a:visited {
    color: var(--accent-muted);
}
  

a:hover {
    color: var(--light_txt);
}
  

a:active {
    color: var(--light_txt);
}




#logobox{
    width: 50%;
    display: block;
    margin-left: 25%;
    margin-top: 20px;
    margin-bottom: 10px;
}

.version_num{
    font-size: x-small;
    text-align: center;
    font-family: var(--textf);
    color: var(--light_txt);

}

#page-about{
    display: block;
    min-height: 500px;
}




/* SMILES / InChi Page */

.atmidxcon{
    display: inline-block;
    min-width:  18pt;
    max-width:  18pt;
    color : var(--light_txt);
    font-family: 'Courier New', Courier, monospace;
    font-size: small;
    text-align: center;
    cursor: default;
    border-left: solid var(--vdark) 1pt;
    margin-bottom: 5px;


}

.smilecharcon{
    display: inline-block;
    min-width: 18pt;
    max-width: 18pt;
    overflow: hidden;
    color : var(--light_txt);
    font-family: 'Courier New', Courier, monospace;
    font-size:large;
    text-align: center;
    cursor:default;
    border-left: var(--dark_bg) 1pt solid;
}

.smilecharcon:hover{
    color: var(--dark_txt);
}

.atmidxcon:hover{
    color: var(--dark_txt);
}

.side-page{
    margin: 5%;
    overflow: scroll;
    height: calc(100% - ( 4 * 5% ) );
    width: calc(100% - ( 2 * 5% ) );
    white-space: nowrap;
    display: none;
}

#atomidtitle, #smileidtitle {
    display: inline-block;
    min-width: 100px;
    max-width: 100px;
    color : var(--light_txt);
    font-family: 'Courier New', Courier, monospace;
    text-align: right;
    cursor: default;
    margin-right: 5px;
    padding-right: 5px;
    border-right: 2px solid var(--light_txt);
    vertical-align: top;
}

#atomidtitle {
    font-size:small;

}

#smileidtitle{
    font-size:large;
}



/* Input Page */


input[type=text] {
    width: calc(88% - 100px);
    margin-left: 5%;
    margin-right: 2%;
    box-sizing: border-box;
    border: 2px solid var(--vdark);
    color : var(--light_txt);
    border-radius: 7px;
    font-size: 16px;
    font-family: 'Courier New', Courier, monospace;
    background-color: var(--light_bg);

    padding: 12px 20px 12px 20px;
    text-align: center;
    display: inline-block;

    vertical-align: top;
}

#runButton {

    border: 2px solid var(--vdark);
    width: 100px;
    color : var(--light_txt);
    font-size: 16px;
    background-color: var(--light_bg);
    padding: 12px 20px 12px 20px;
    border-radius: 7px;
    text-align: center;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    vertical-align: top;
    transition: all 0.5s cubic-bezier(0.075, 0.82, 0.165, 1);
    font-family: var(--titlef);

}



/* Buttom Bar Tab */


.tabcontain-buttom {
    float: right;
    background-color: var(--light_bg);
    width: 10%;
    min-width: 150px;
    height: 100%;
    overflow: scroll;
}


.tabcontain-buttom button {
    display: block;
    background-color: inherit;
    color: var(--light_txt);
    padding: 10px 16px;
    width: 100%;
    border: none;
    outline: none;
    text-align: left;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.075, 0.82, 0.165, 1) ;
    font-family: var(--titlef);
}


.tabcontain-buttom button:hover {
    background-color: var(--dark_bg);
    color: var(--light_txt);
}


.tabcontain-buttom button.active {
    background-color: var(--dark_bg);
    color: var(--accent);
    border-bottom: var(--vdark) solid 2px;
}


.page-buttombar {
    display: grid;
    place-items: center;
    float: left;
    padding: 0px 12px;
    width: min(85%, calc(100% - 175px));
    border-left: none;
    height: 100%;
}


#page-smiles{
    display: none;
}

#page-inchi{
    display: none;
}


.innercon{
    max-width: 100%;
    padding-bottom: 15px;
    padding-top: 15px;
}

.innercon{
    white-space: nowrap;
    overflow: scroll;

}


.innercontainer {
    width: 100%;
}

.innercon-lvl2-v2{

    white-space:normal;
    color: var(--light_txt);
    max-height: 15vh;
    display: block;
    overflow-y: scroll;

}