/*
XITS is released under the SIL Open Font License.
See https://github.com/stipub/stixfonts/blob/master/OFL.txt details.

The STIX2 WOFF font has been obtained from
https://github.com/stipub/stixfonts
*/

@font-face {
  font-family: STIX2;
  src: local('STIXTwoMath'),
       url('STIXTwoMath.woff2');
}

math {
  font-style: normal;
  font-weight: normal;
  line-height: normal;
  font-size-adjust: none;
  text-indent: 0;
  text-transform: none;
  letter-spacing: normal;
  word-wrap: normal;
  direction: ltr;
  /* Prevent Firefox from omitting the dot on i or j. */
  font-feature-settings: "dtls" off;
}

math * {
  border-color: currentColor;
}

/* display: block is necessary in Firefox and Safari.
 * Not in Chromium, which recognizes display: "block math" written inline. */
 math.tml-display {
  display: block;
  width: 100%;
}

math {
  font-family: STIX2, math;
}

*.mathscr {
  font-feature-settings: 'ss01';
}

mo.tml-prime {
  font-feature-settings: 'ss04';
}

@supports (-moz-appearance: none) {
  /* \vec w/o italic correction for Firefox */
  .tml-vec {
    transform: scale(0.75)
  }
}

@supports (not (-moz-appearance: none)) {
  /* Chromium and WebKit */
  /* prime vertical alignment */
  mo.tml-prime {
    font-feature-settings: 'ss04';
  }
  /* Italic correction on superscripts */
  .tml-sml-pad {
    padding-left: 0.05em;
  }
  .tml-med-pad {
    padding-left: 0.10em;
  }
  .tml-lrg-pad {
    padding-left: 0.15em;
  }
}

@supports (-webkit-backdrop-filter: blur(1px)) {
  /* WebKit vertical & italic correction on accents */
  .wbk-acc {
    /* lower by x-height distance */
    transform: translate(0em, 0.431em);
  }
  .wbk-sml {
    transform: translate(0.07em, 0);
  }
  .wbk-sml-acc {
    transform: translate(0.07em, 0.431em);
  }
  .wbk-sml-vec {
    transform: scale(0.75) translate(0.07em, 0);
  }
  .wbk-med {
    transform: translate(0.14em, 0);
  }
  .wbk-med-acc {
    transform: translate(0.14em, 0.431em);
  }
  .wbk-med-vec {
    transform: scale(0.75) translate(0.14em, 0);
  }
  .wbk-lrg {
    transform: translate(0.21em, 0);
  }
  .wbk-lrg-acc {
    transform: translate(0.21em, 0.431em);
  }
  .wbk-lrg-vec {
    transform: scale(0.75) translate(0.21em, 0);
  }
}

/* \cancel & \phase use background images. Get them to print. */
menclose {
  -webkit-print-color-adjust: exact;  /* Chrome & Edge */
          print-color-adjust: exact;
}

/* Array cell justification in Firefox & WebKit */
.tml-right {
  text-align: right;
}
.tml-left {
  text-align: left;
}

/* For CD labels that grow to the left in Firefox and WebKit */
.tml-shift-left { margin-left:-200% }

/* Styles for Chromium only */
@supports (not (-webkit-backdrop-filter: blur(1px))) and (not (-moz-appearance: none)) {
  /* Italic correction on accents */
  .chr-sml {
    transform: translate(0.07em, 0)
  }
  .chr-sml-vec {
    transform: scale(0.75) translate(0.07em, 0)
  }
  .chr-med {
    transform: translate(0.14em, 0)
  }
  .chr-med-vec {
    transform: scale(0.75) translate(0.14em, 0)
  }
  .chr-lrg {
    transform: translate(0.21em, 0)
  }
  .chr-lrg-vec {
    transform: scale(0.75) translate(0.21em, 0)
  }

  /* For CD labels that grow to the left */
  .tml-shift-left { margin-left:-100% }

  /* MathML Core & Chromium do not support the MathML 3.0 element <menclose> attributes. */
  /* So use styles. */
  menclose {
    position: relative;
    padding: 0.5ex 0ex;
  }
  
    .tml-overline {
    padding: 0.1em 0 0 0;
    border-top: 0.065em solid;
  }

  .tml-underline {
    padding: 0 0 0.1em 0;
    border-bottom: 0.065em solid;
  }

  .tml-cancel {
    display: inline-block;
    position: absolute;
    left: 0.5px;
    bottom: 0;
    width: 100%;
    height: 100%;
    background-color: currentColor;
  }
  .upstrike {
    clip-path: polygon(0.05em 100%, 0em calc(100% - 0.05em), calc(100% - 0.05em) 0em, 100% 0.05em);
  }
  .downstrike {
    clip-path: polygon(0em 0.05em, 0.05em 0em, 100% calc(100% - 0.05em), calc(100% - 0.05em) 100%);
  }
  .sout {
    clip-path: polygon(0em calc(55% + 0.0333em), 0em calc(55% - 0.0333em), 100% calc(55% - 0.0333em), 100% calc(55% + 0.0333em));
  }
  .tml-xcancel {
    background: linear-gradient(to top left,
    rgba(0,0,0,0) 0%,
    rgba(0,0,0,0) calc(50% - 0.06em),
    rgba(0,0,0,1) 50%,
    rgba(0,0,0,0) calc(50% + 0.06em),
    rgba(0,0,0,0) 100%),
    linear-gradient(to top right,
    rgba(0,0,0,0) 0%,
    rgba(0,0,0,0) calc(50% - 0.06em),
    rgba(0,0,0,1) 50%,
    rgba(0,0,0,0) calc(50% + 0.06em),
    rgba(0,0,0,0) 100%)
  }

  .longdiv-top {
    border-top: 0.067em solid;
    padding: 0.1em 0.2em 0.2em 0.433em;
  }
  .longdiv-arc {
    position: absolute;
    top: 0;
    bottom: 0.1em;
    left: -0.4em;
    width: 0.7em;
    border: 0.067em solid;
    transform: translateY(-0.067em);
    border-radius: 70%;
    clip-path: inset(0 0 0 0.4em);
    box-sizing: border-box;}
    .menclose {display: inline-block;
    text-align: left;
    position: relative;
  }
  
  .phasor-bottom {
    border-bottom: 0.067em solid;
    padding: 0.2em 0.2em 0.1em 0.6em;
  }
  .phasor-angle {
    display: inline-block;
    position: absolute;
    left: 0.5px;
    bottom: -0.04em;
    height: 100%;
    aspect-ratio: 0.5;
    background-color: currentColor;
    clip-path: polygon(0.05em 100%, 0em calc(100% - 0.05em), calc(100% - 0.05em) 0em, 100% 0.05em);
  }

  .tml-fbox {
    padding: 3pt;
    border: 1px solid;
  }

  .circle-pad {
    padding: 0.267em;
  }
  .textcircle {
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    border: 0.067em solid;
    border-radius: 50%;
   }

   .actuarial {
    padding: 0.03889em 0.03889em 0 0.03889em;
    border-width: 0.08em 0.08em 0em 0em;
    border-style: solid;
    margin-right: 0.03889em;
   }

   /* Stretch \widetilde */
  .tml-crooked-2 {
    transform: scale(2.0, 1.1)
  }
  .tml-crooked-3 {
    transform: scale(3.0, 1.3)
  }
  .tml-crooked-4 {
    transform: scale(4.0, 1.4)
  }
  /* set array cell justification */
  .tml-right {
    text-align: -webkit-right;
  }
  .tml-left {
    text-align: -webkit-left;
  }
}

/* flex-wrap for line-breaking in Chromium */
math {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: baseline;
}
math > mrow {
  padding: 0.5ex 0ex;
}

/* Default mtd top padding is 0.5ex per MathML-Core and user-agent CSS */
/* We adjust for jot and small */
mtable.tml-jot mtd {
  padding-top: 0.7ex;
  padding-bottom: 0.7ex;
}
mtable.tml-small mtd {
  padding-top: 0.35ex;
  padding-bottom: 0.35ex;
}

/* Firefox */
@-moz-document url-prefix() {
  /* Avoid flex-wrap */
  math { display: inline; }
  math > mrow { padding: 0 }
  /* Adjust Firefox spacing between array rows */
  mtd, mtable.tml-small mtd { padding-top: 0; padding-bottom: 0; }
  mtable.tml-jot mtd { padding-top: 0.2ex; padding-bottom: 0.ex; }
}

/* AMS environment auto-numbering via CSS counter. */
.tml-eqn::before {
  counter-increment: tmlEqnNo;
  content: "(" counter(tmlEqnNo) ")";
}

body {
  counter-reset: tmlEqnNo;
}
