/* file      : common.css
 * license   : MIT; see accompanying LICENSE file
 */

html
{
  font-family: "Helvetica Neue", Helvetica, "Segoe UI", Arial, freesans, sans-serif;
  font-weight: normal;
  font-size: 18px;
  line-height: 1.4em;
  letter-spacing: 0.01em;

  color: #292929;
}

body {margin: 0;} /* There is non-0 default margin for body. */

/* See notes on what's going on here. */
body {min-width: 17em;}
@media only screen and (min-width: 360px)
{
  body {min-width: 19em;}
}

/*
 * Header (optional).
 */

#header-bar
{
  width: 100%;

  background: rgba(0, 0, 0, 0.04);
  border-bottom: 1px solid rgba(0, 0, 0, 0.2);

  padding: .4em 0 .42em 0;
  margin: 0 0 1.4em 0;
}

#header
{
  /* Same as in #content. */
  max-width: 41em;
  margin: 0 auto 0 auto;
  padding: 0 .4em 0 .4em;

  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;

  width: 100%;
  display: table;
  border: none;
  border-collapse: collapse;
}

#header-logo, #header-menu
{
  display: table-cell;
  border: none;
  padding: 0;
  vertical-align: middle;
}

#header-logo {text-align: left;}
#header-menu {text-align: right;}

/* These overlap with #header's margin because of border collapsing. */
#header-logo {padding-left: .4em;}
#header-menu {padding-right: .4em;}

#header-logo a
{
  color: #000;
  text-decoration: none;
  outline: none;
}
#header-logo a:visited {color: #000;}
#header-logo a:hover, #header-logo a:active {color: #000;}

#header-menu a
{
  font-size: 0.889em;
  line-height: 1.4em;
  text-align: right;
  margin-left: 1.2em;
  white-space: nowrap;
  letter-spacing: 0;
}

#header-menu a
{
  color: #000;
  outline: none;
}
#header-menu a:visited {color: #000;}
#header-menu a:hover, #header-menu a:active
{
  color: #3870c0;
  text-decoration: none;
}

/* Flexbox-based improvements though the above works reasonably well. */
#header-menu-body
{
  width: 100%;

  display: -webkit-inline-flex;
  display: inline-flex;

  -webkit-flex-flow: row wrap;
  flex-flow: row wrap;

  -webkit-justify-content: flex-end;
  justify-content: flex-end;
}

/* Whether we want it (and at which point) depends on the size of the menu. */
/*
@media only screen and (max-width: 567px)
{
  #header-menu-body
  {
    -webkit-flex-direction: column;
    flex-direction: column;
  }
}
*/

/*
 * Content.
 */

#content
{
  max-width: 41em;
  margin: 0 auto 0 auto;
  padding: 0 .4em 0 .4em; /* Space between text and browser frame. */

  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

/*
 * Footer (optional).
 */

#footer
{
  color: #767676;
  font-size: 0.7223em;
  line-height: 1.3em;
  margin: 2.2em 0 1em 0;
  text-align: center;
}

#footer a
{
  color: #767676;
  text-decoration: underline;
}
#footer a:visited {color: #767676;}
#footer a:hover, #footer a:active {color: #3870c0;}

/* Screen size indicator in the footer. The before/after content is in case
   we don't have any content in the footer. Margin is to actually see the
   border separate from the browser frame. */

/*
#footer:before {content: "\A0";}
#footer:after {content: "\A0";}

#footer
{
  border-left: 1px solid;
  border-right: 1px solid;
  margin-left: 1px;
  margin-right: 1px;
}

@media only screen and (max-width: 359px)
{
  #footer {border-color: red;}
}

@media only screen and (min-width: 360px) and (max-width: 567px)
{
  #footer {border-color: orange;}
}

@media only screen and (min-width: 568px) and (max-width: 1023px)
{
  #footer {border-color: blue;}
}

@media only screen and (min-width: 1024px)
{
  #footer {border-color: green;}
}
*/

/*
 * Common elements.
 */

p, li, dd {text-align: justify;}
.code {text-align: left;} /* Manually aligned. */
pre {text-align: left;}   /* If it is inside li/dd. */

/* Notes. */

.note
{
  color: #606060;
}

div.note
{
  margin: 2em 0 2em 0; /* The same top/bottom margings as pre box. */

  padding-left: 0.5em;
  border: 0.25em;
  border-left-style: solid;
  border-color: #808080;

  page-break-inside: avoid;
}

div.note :first-child {margin-top:    0;}
div.note :last-child  {margin-bottom: 0;}

span.note::before {content: "[Note: "}
span.note::after  {content: "]"}

/* Links. */
a
{
  color: #3870c0;
  /*color: #4078c0;*/
  text-decoration: none;
}

a:hover, a:active
{
/*color: #006fbf;*/
/*color: #0087e7;*/
  text-decoration: underline;
}

a:visited
{
/*color: #003388;*/
  color: #00409c;
}

/* Standard paragraph. */

p, pre {margin: 1em 0 1em 0;}

/* Standard lists. */
ul, ol, dl {margin: 1em 0 1em 0;}
ul li, ol li {margin: 0 0 .4em 0;}
ul li {list-style-type: circle;}
dl dt {margin: 0 0 0 0;}
dl dd {margin: 0 0 .6em 1.8em;}

code, pre
{
  font-family: Consolas, "Liberation Mono", Menlo, Courier, monospace;
  font-size: 0.92em;
  letter-spacing: 0;
}

pre {white-space: pre-wrap;}
@media only screen and (max-width: 567px)
{
  pre {word-break: break-all;}
}

/* Use page rather than system font settings. */
input
{
  font-family: inherit;
  font-weight: inherit;
  font-size:   inherit;
  line-height: inherit;
}
