/* definition of variables */
:root {

    --color-global-bg: #FFF;
    --color-gray-dark-text: #333;
    --color-gray-dark-text-link-underline: #30303040;
    --color-dim-text: hsl(00, 0%, 50%);
    --color-red-dark-text: #733;
    --color-quote-background: hsl(25, 0%, 97%);
    --color-tt-background: hsla(25, 0%, 97%, 50%);
    --color-header-background: #EEE;
    --color-header-menu-background: #F8F8F8;
    --color-header-menu-item-hover-background: #E8E8E8;
    --color-header-border: #d0d0de;
    --color-header-menu-symbol-hl: #0062cc;
    --color-header-menu-shadow: rgba(0,0,0,0.2);
    --color-footer-background:  hsl(230, 20%, 15%);
    --color-footer-text:  hsl(00, 10%, 70%);
    --color-border:  hsl(00, 0%, 70%);
    --color-header-warning-background: hsl(25, 100%, 80%);
    --color-error-background: hsl(5, 80%, 80%);
    --color-error-border: hsl(5, 100%, 50%);
    --color-alert-background: hsl(40, 80%, 80%);
    --color-alert-border: hsl(40, 100%, 50%);
    --header-height: 2.0em;
    --padding-header: 0.3em;
    --padding-v-quote: 4px;
    --padding-h-quote: 1em;
    --padding-content: min(2.5vw, 30px);
    --padding-content2: calc(var(--padding-content)*0.5);
    --padding-content2m: calc(var(--padding-content)*-0.5);

    --width-content: min(90vw, 60em); /*→ max width of 960px (@ vw=1280)*/
    --width-content-two-column: min(93vw, 100em); /* width for two column part*/
    --col-height: calc(100vh - var(--header-height)*3);

    /*  the following scaling factor k is calculated by  16px/<min-viewport-width-in-px-at-which-still-normal-font-size> e.g. 16px/640px = 0.025 → 2.5vw    */
    --font-size-all: max(min(16px, 2.5vw), 12px);

}

/* https://stackoverflow.com/a/19723677/333403 */
html, body {
    font-family: Roboto, sans-serif;
    margin: 0px;
    padding: 0px;
    height:100%;
    width:100%;
    font-size: var(--font-size-all);

    /* prevent horizontal scrolling */
    overflow-x: hidden;
}


#outer-container {
   display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: 100vw;
}


#header1, #header2 {
    display: inline-block;
  }


/*
  @media (max-width: 650px) {
    #header2 {
      display: block;
      text-align: right;
    }
  } */



body {

    color: var(--color-gray-dark-text);
    background-color: var(--color-global-bg);
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

body a{
    color: inherit;
    /* text-decoration: underline dotted; */
    text-decoration: underline;
    text-decoration-color: var(--color-gray-dark-text-link-underline);
}


body a:hover{
    color: inherit;
    text-decoration: underline;
}

.headerbar {

    color: var(--color-gray-dark-text);
    width: 100%;
    border: 1px solid #EEE;
    position: fixed;
    top: 0;
    z-index: 10;
    margin-top: 0px;
    background-color: var(--color-header-background);
    box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.2);

    /* explicit specification is important for second_sticky_bar */
    height: var(--header-height);

}
.vertical-center0 {
    position: relative;
    top: 50%;
    transform: translate(0, -50%);
}

.header {
    margin-right: auto;
    margin-left: auto;
    width: var(--width-content);

    padding: var(--padding-header);
}

.dim {
  font-size: 70%;
  color: var(--color-dim-text);
}

.h3c {
  /* style headings which are semantically not h3 as h3 */
  font-size: 120%;
}


.frame-title{
  font-size: 70%;
  color: var(--color-gray-dark-text);
}

.preview-frame {
  padding-left: var(--padding-content2);
  padding-right: var(--padding-content2);
  margin-bottom: 10px;
  border: 1px var(--color-border) solid;
}

.placeholder {
  color: var(--color-dim-text);
}
.slug-preview {
    background-color: var(--color-quote-background);

}

code  {
  background-color: var(--color-quote-background);
  white-space: pre;
}
blockquote {

    background-color: var(--color-quote-background);
    padding-top: var(--padding-v-quote);
    padding-bottom: var(--padding-v-quote);
    padding-left: var(--padding-h-quote);
    padding-right: var(--padding-h-quote);

}

blockquote p {
    margin: 0px;
}
details {
  background-color: var(--color-quote-background);
}

summary {
  background-color: var(--color-global-bg);
}

div.header a{
    color: inherit;
    text-decoration: none;
}

div.header a:hover{
    color: inherit;
    text-decoration: underline;
}

.headerbar-warning {

    color: var(--color-gray-dark-text);
    background-color: var(--color-header-warning-background);
}
.headerbar-warning0 {
    margin-right: -10px;
    margin-left: -10px;
    width: 100%;

    border: 1px solid #EEE;
    position: fixed;
    top: var(--header-height);
    box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.2);

}

.fs70 {
    font-size: 0.8em;

}

.boxed {
    text-align: center;
    display: inline-block;
    width: 1.2em;
    border: 1px solid var(--box-grey);
}

.box-frame{
    display: inline-block;
     --box-grey: #BBB;

}
.box-frame:hover{
     --box-grey: #777;
    background-color: #EEE;

}


.main {

    flex: 0; /*  allow this element to be as high as needed    */
    color: var(--color-gray-dark-text);
    padding-right: var(--padding-content);
    padding-left: var(--padding-content);
    padding-top: 0em;
    padding-bottom: 2em;
    margin-top: calc(var(--header-height)*1.5);

    width: var(--width-content);

    margin-left: auto;
    margin-right: auto;

    box-shadow: 0 2px 2px 0 rgba(0,0,0,0.14),0 3px 1px -2px rgba(0,0,0,0.12),0 1px 5px 0 rgba(0,0,0,0.2);
    border-radius: 2px;

}
.main_two_column {

    width: var(--width-content-two-column);

}

.two_col_container {
    display: flex;
    justify-content: space-between;
    max-height: var(--col-height);
    overflow: hidden; /* Prevent the container from scrolling */
}

.left-column {
    width: 50%;
    padding: 20px;
    padding-top: 0px;
    overflow-y: auto;
}

.right-column {
  position: sticky;
  /* top: 2em; */
  width: 50%;
  overflow-y: auto;
  padding: 20px;
  padding-top: 0px;
    border-left: 1px solid #ccc;
    /* for debugging */
    /* border: 1px solid blue; */
}
.right-column-headline-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.prev-next-button-container button {
  margin-left: 10px;
}

/* We do not use pseudo-class :active here beacuse the event might
 *  also be triggered by a js function triggered by a key
 */
.button-active {
    background: var(--color-quote-background) !important;
}

._copy_button {

  background-image: url("data:image/svg+xml,%3C%3Fxml version='1.0' encoding='UTF-8' standalone='no'%3F%3E%3C!-- Created with Inkscape (http://www.inkscape.org/) --%3E%3Csvg version='1.1' id='svg178' width='23.989534' height='30.418509' viewBox='0 0 23.989534 30.418508' sodipodi:docname='copy.svg' inkscape:version='1.2.2 (b0a8486541, 2022-12-01)' xmlns:inkscape='http://www.inkscape.org/namespaces/inkscape' xmlns:sodipodi='http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd' xmlns='http://www.w3.org/2000/svg' xmlns:svg='http://www.w3.org/2000/svg'%3E%3Csodipodi:namedview id='namedview7' pagecolor='%23ffffff' bordercolor='%23000000' borderopacity='0.25' inkscape:showpageshadow='2' inkscape:pageopacity='0.0' inkscape:pagecheckerboard='0' inkscape:deskcolor='%23d1d1d1' showgrid='false' inkscape:zoom='10.993847' inkscape:cx='34.38287' inkscape:cy='32.199831' inkscape:window-width='1920' inkscape:window-height='1007' inkscape:window-x='107' inkscape:window-y='0' inkscape:window-maximized='1' inkscape:current-layer='svg178' /%3E%3Cdefs id='defs182' /%3E%3Crect style='fill:none;stroke:%23303030;stroke-width:2;stroke-dasharray:none;stroke-opacity:1' id='rect436' width='15.225993' height='21.086597' x='1' y='8.331912' rx='2.0209472' ry='2.0209472' /%3E%3Cpath id='rect1046' style='fill:none;stroke:%23303030;stroke-width:2;stroke-linecap:round;stroke-dasharray:none;stroke-opacity:1' d='M 7.7635406,4.3896511 V 3.0209472 C 7.7635406,1.9013425 8.664883,1 9.7844878,1 H 20.968586 c 1.119605,0 2.020948,0.9013425 2.020948,2.0209472 V 20.06565 c 0,1.119605 -1.433941,2.020899 -2.020948,2.020948 -0.587006,4.9e-5 -0.909426,0 -0.909426,0' /%3E%3C/svg%3E%0A");
  background-position: center center;
  background-size: 50%;
  /* background-size: cover; */
  background-repeat: no-repeat;
  width: 30px;
  height: 30px;
  margin: 0.3em;
  margin-right: 0.7em;
  border-radius: 99px;
  border: none;
  /* border: 1px blue solid; */
  /* padding-left: 20px; */
}

.arrow-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  background-color: #fff;
  cursor: pointer;
}

.arrow {
  border: solid black;
  border-width: 0 3px 3px 0;
  display: inline-block;
  padding: 3px;
}

.arrow-right {
  transform: rotate(-45deg);
  -webkit-transform: rotate(-45deg);
}

.arrow-left {
  transform: rotate(135deg);
  -webkit-transform: rotate(135deg);
}



#review-detail-content {
  margin-top: 1em;
  background-color: var(--color-quote-background);
  min-height: 5em;
}

  .annotation-hl {
    background-color:rgba(255, 165, 0, 0.2);
    border-bottom:2px solid orange;
    cursor:pointer;
  }

  .unique-active-annotation-hl, .unique-active-annotation-hl .annotation-hl {
    background-color:rgba(255, 165, 0, 0.2);
    border-bottom:2px solid lightseagreen !important;
    cursor:pointer;
    z-index: 10;
  }



.error {
    color: var(--color-red-dark-text);
    padding: 1em;
    border: 1px solid  hsla(00, 60%, 40%, 70%);
  }

  #js_warning {
    color:hsl(0, 80%, 50%);
    border: 1px solid  hsla(00, 60%, 40%, 70%);
    padding: 1em;
}

.form_input_fw {
    width: 99%;
    margin-bottom: 0.5em;
}

  .btn {
    display: inline-block;
    font-weight: 400;
    color: #212529;
    text-align: center;
    vertical-align: middle;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    background-color: transparent;
    border: 1px solid transparent;
      border-top-color: transparent;
      border-right-color: transparent;
      border-bottom-color: transparent;
      border-left-color: transparent;
    padding: .375rem .75rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: .25rem;
    transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
  }

  .btn:hover {
    color: #212529;
    text-decoration: none;
  }
  .btn-primary:hover {
    color: #fff;
    background-color: #0069d9;
    border-color: #0062cc;
  }
  [type="button"]:not(:disabled), [type="reset"]:not(:disabled), [type="submit"]:not(:disabled), button:not(:disabled) {
    cursor: pointer;
  }
  .btn-primary {
    color: #fff;
    background-color: #007bff;
    border-color: #007bff;
  }


.special_hr{
    border: 0;
    height: 1px;
    background-image: linear-gradient(to right, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.75) 40%, rgba(0, 0, 0, 0.75) 60%, rgba(0, 0, 0, 0));
}



#vertical-spacer {
/*  background-color: red; */
 flex: 1;
 min-height: 0px;
}

.error_container {
  background-color: var(--color-error-background);
  border: solid 3px var(--color-error-border);;
}
.error_container tt {
  background-color: var(--color-tt-background);
  padding: 0 0.5em 0 0.5em;

}

.alert_container {
  background-color: var(--color-alert-background);
  border: solid 3px var(--color-alert-border);;
}

.footer {
  width: 100vw;
}

.footerbar {

    color: var(--color-footer-text);
    width: 100%;
    border: 1px solid #EEE;
    margin-top: 5px;
    background-color: var(--color-footer-background);


}

.footer-content {
    margin-right: auto;
    margin-left: auto;
    width: var(--width-content);

    padding: var(--padding-header);

}
div.footer a{
    color: inherit;
    text-decoration: none;
    text-shadow: 0 0 2px rgba(200, 1, 1, 0.4);
}

div.footer a:hover{
    color: inherit;
    text-shadow: 0 0 2px rgba(200, 1, 1, 0.9);
}



/* manual fixup of current css */

.bg-box-body {
  background: var(--color-box-body);
}

/* head menu */

.header {
  display: flex;
  justify-content: space-between;
}

.header-left-part {
  border: none;
  /* border: 1px solid #A33; */
}

.header-right-part {
  border: none;
  /* border: 1px solid #3A3; */
}

.menu-container{
  position: relative;
  display: inline-block;
}

.hamburger-menu {
  cursor: pointer;
}

/* obsolete because the menu is now represented by the icon: &#9776; */
.hamburger-menu span {
  width: 100%;
  height: 3px;
  background-color: var(--color-gray-dark-text);
  transition: 0.3s;
}

.dropdown-menu {
  display: none;
  right: 0;
  position: absolute;
  background-color: var(--color-header-menu-background);
  min-width: 160px;
  border-radius: 5px;
  border: 1px solid var(--color-header-border);
  box-shadow: 0px 8px 16px 0px var(--color-header-menu-shadow);
  z-index: 1;
  margin-top: 0.3em;
  margin-right: 0.5em;
}

/* this was used for making the drow down menu visible on hover without js -> not used anymore */

/* .menu-container:hover .dropdown-menu {
  display: block;
  } */

/* drop down menu symbol */

.ddms {
  transition: color 0.1s ease;
}

.ddms:hover {
  color: var(--color-header-menu-symbol-hl);
}

.ddms path {
  transition: fill 0.1s ease;
}

.ddms:hover path {
  fill: var(--color-header-menu-symbol-hl);
}

.dropdown-menu a {
  color: var(--color-gray-dark-text);
  text-decoration: none;
  display: block;
}
.dropdown-menu ul {
  list-style-type: none;
  padding: 0px 1em;
}
.dropdown-menu li {
  line-height: 2em;
  /* border: 1px solid red; */
}

.dropdown-menu a:hover {
  background-color: var(--color-header-menu-item-hover-background);
}

/* introduced for item menus  */
.show {
  /* allows to toggle visibility of elements */
  display: block;
}

/* used for different types of interactive elements */
.hidden{
  display: none;
}


/* modal dialog (used for gui warnings) */


.modal {
  position: fixed; /* Stay in place */
  z-index: 1; /* Sit on top */
  left: 0;
  top: 0;
  width: 100%; /* Full width */
  height: 100%; /* Full height */
  overflow: auto; /* Enable scroll if needed */
  background-color: rgb(0,0,0); /* Fallback color */
  background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
}

/* Modal Content/Box */
.modal-content {
  background-color: #fefefe;
  margin: 15% auto; /* 15% from the top and centered */
  border: 1px solid #888;
  width: var(--width-content);
}
.modal-content-inner {
  padding: 20px;
}

/* The Close Button */
.close-modal {
  color: #aaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
  margin-right: 0.3em;
}

.close-modal:hover,
.close-modal:focus {
  color: black;
  text-decoration: none;
  cursor: pointer;
}