/*** Navbar ***/
nav {
  border-top: solid 1px #899281;
  border-bottom: solid 1px #292d23;
  border-left: solid 1px #899281;
  border-right: solid 1px #292d23;
  padding: 0;
  list-style: none;
  background: #4c5844;
  margin-bottom: 20px;
}
nav li {
  display: inline-block;
  position: relative;
  line-height: 21px;
  text-align: left;
  cursor: pointer;
}
nav li a {
  display: block;
  padding: 8px 25px;
  color: #c4b550;
  text-decoration: none;
}
nav li a:hover {
  color: #e3e41f;
  background: #5a6a50;
}
nav li:hover ul.dropdown {
  display: block;
}
nav li ul.dropdown {
  display: none;
  list-style: none;
  border-top: solid 1px #899281;
  border-bottom: solid 1px #292d23;
  border-left: solid 1px #899281;
  border-right: solid 1px #292d23;
  border-top: none;
  padding: 0;
  min-width: 150px;
  background: #4c5844;
  position: absolute;
  top: 23px;
  z-index: 1;
}
nav li ul.dropdown li {
  display: block;
}

/*** Form Controls: Buttons, Checkboxes, Radio Buttons, Text Fields, etc. ***/
button,
input[type="button"],
input[type="reset"],
input[type="submit"],
input[type="color"],
::-webkit-file-upload-button,
.greensteam-button {
  color: white;
  background-color: #4c5844;
  height: 25px;
  min-width: 75px;
  cursor: pointer;
  border-top: solid 1px #899281;
  border-bottom: solid 1px #292d23;
  border-left: solid 1px #899281;
  border-right: solid 1px #292d23;
  font-weight: lighter;
  text-align: left;
  -webkit-font-smoothing: none;
}
button:active,
input[type="button"]:active,
input[type="reset"]:active,
input[type="submit"]:active,
input[type="color"]:active,
::-webkit-file-upload-button:active,
.greensteam-button:active {
  border-top: solid 1px #292d23;
  border-bottom: solid 1px #899281;
  border-left: solid 1px #292d23;
  border-right: solid 1px #899281;
}
button:focus,
input[type="button"]:focus,
input[type="reset"]:focus,
input[type="submit"]:focus,
input[type="color"]:focus,
::-webkit-file-upload-button:focus,
.greensteam-button:focus {
  outline: 1px dashed #292d23;
  outline-offset: -4px;
}
button :not(input[type="color"]),
input[type="button"] :not(input[type="color"]),
input[type="reset"] :not(input[type="color"]),
input[type="submit"] :not(input[type="color"]),
input[type="color"] :not(input[type="color"]),
::-webkit-file-upload-button :not(input[type="color"]),
.greensteam-button :not(input[type="color"]) {
  padding-right: 5%;
}
::file-selector-button {
  color: white;
  background-color: #4c5844;
  height: 25px;
  min-width: 75px;
  cursor: pointer;
  border-top: solid 1px #899281;
  border-bottom: solid 1px #292d23;
  border-left: solid 1px #899281;
  border-right: solid 1px #292d23;
  font-weight: lighter;
  text-align: left;
  -webkit-font-smoothing: none;
}
::file-selector-button:active {
  border-top: solid 1px #292d23;
  border-bottom: solid 1px #899281;
  border-left: solid 1px #292d23;
  border-right: solid 1px #899281;
}
::file-selector-button:focus {
  outline: 1px dashed #292d23;
  outline-offset: -4px;
}
::file-selector-button :not(input[type="color"]) {
  padding-right: 5%;
}
button:active,
input[type="button"]:active,
input[type="reset"]:active,
input[type="submit"]:active,
input[type="color"]:active,
::file-selector-button:active {
  border-top: solid 1px #292d23;
  border-bottom: solid 1px #899281;
  border-left: solid 1px #292d23;
  border-right: solid 1px #899281;
}
input[type="checkbox"] {
  vertical-align: middle;
  appearance: none;
  width: 15px;
  height: 15px;
  border-top: solid 1px #292d23;
  border-bottom: solid 1px #899281;
  border-left: solid 1px #292d23;
  border-right: solid 1px #899281;
}
input[type="checkbox"]:focus {
  outline: 1px dotted black;
  outline-offset: -2px;
}
input[type="checkbox"]:checked {
  background-image: url("checkmark.png");
}
input[type="radio"] {
  vertical-align: text-bottom;
  appearance: none;
  width: 15px;
  height: 15px;
  background-image: url("radio_off.png");
}
input[type="radio"]:focus {
  outline: 1px dotted black;
}
input[type="radio"]:checked {
  background-image: url("radio_on.png");
}
input[type="text"],
input[type="tel"],
input[type="search"],
input[type="password"],
input[type="email"],
input[type="url"],
input[type="number"],
input[type="date"],
input[type="datetime-local"],
input[type="month"],
input[type="week"],
input[type="time"],
input[list],
select,
textarea {
  border-top: solid 1px #292d23;
  border-bottom: solid 1px #899281;
  border-left: solid 1px #292d23;
  border-right: solid 1px #899281;
  color: inherit;
  background: #3e4637;
}
input[type="text"]:focus,
input[type="tel"]:focus,
input[type="search"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
input[type="url"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
input[type="datetime-local"]:focus,
input[type="month"]:focus,
input[type="week"]:focus,
input[type="time"]:focus,
input[list]:focus,
select:focus,
textarea:focus {
  outline: 1px dotted black;
  outline-offset: -3px;
}
::-webkit-calendar-picker-indicator {
  filter: brightness(0) invert() brightness(70%);
}

/*** Range Slider ***/
.greensteam-slider-track {
  background: black;
  height: 4px;
  border-top: solid 1px #292d23;
  border-bottom: solid 1px #899281;
  border-left: solid 1px #292d23;
  border-right: solid 1px #899281;
  margin: 6px 0;
}
.greensteam-slider-thumb {
  appearance: none;
  background: #4c5844;
  border-top: solid 1px #899281;
  border-bottom: solid 1px #292d23;
  border-left: solid 1px #899281;
  border-right: solid 1px #292d23;
  width: 8px;
  height: 16px;
  position: relative;
  top: -7px;
  border-radius: 0;
}
input[type="range"] {
  appearance: none;
  min-width: 200px;
  color: #b8c4ad;
  background: none;
  position: relative;
}
input[type="range"]::before,
input[type="range"]::after {
  display: inline;
  position: absolute;
  font-size: 10px;
  top: 10px;
  font-family: monospace;
}
input[type="range"]::before {
  left: 0;
  content: attr(min);
}
input[type="range"]::after {
  right: 0;
  content: attr(max);
}
input[type="range"]::-webkit-slider-runnable-track {
  background: black;
  height: 4px;
  border-top: solid 1px #292d23;
  border-bottom: solid 1px #899281;
  border-left: solid 1px #292d23;
  border-right: solid 1px #899281;
  margin: 6px 0;
}
input[type="range"]::-moz-range-track,
input[type="range"]::-moz-range-progress {
  background: black;
  height: 4px;
  border-top: solid 1px #292d23;
  border-bottom: solid 1px #899281;
  border-left: solid 1px #292d23;
  border-right: solid 1px #899281;
  margin: 6px 0;
}
input[type="range"]::-moz-range-track,
input[type="range"]::-moz-range-progress {
  height: 2px;
}
input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  background: #4c5844;
  border-top: solid 1px #899281;
  border-bottom: solid 1px #292d23;
  border-left: solid 1px #899281;
  border-right: solid 1px #292d23;
  width: 8px;
  height: 16px;
  position: relative;
  top: -7px;
  border-radius: 0;
}
input[type="range"]::-moz-range-thumb {
  appearance: none;
  background: #4c5844;
  border-top: solid 1px #899281;
  border-bottom: solid 1px #292d23;
  border-left: solid 1px #899281;
  border-right: solid 1px #292d23;
  width: 8px;
  height: 16px;
  position: relative;
  top: -7px;
  border-radius: 0;
}
input[type="range"]:focus {
  outline: 1px dotted black;
  outline-offset: 2px;
}
input[type="range"].ticks {
  background: url("sliderticks.png") repeat-x;
  background-position: bottom left 2px;
  background-size: 19px 5px;
}
input[type="range"].ticks::before,
input[type="range"].ticks::after {
  top: 16px;
}

/*** Window ***/
.window,
.box {
  position: static;
  background-color: #4c5844;
  padding: 10px;
  box-sizing: border-box;
  margin: 0 0 20px;
  max-width: 780px;
}
.titlebar,
.window:not(.headless)::before {
  display: block;
  position: relative;
  margin-bottom: 1em;
  width: 100%;
  height: 18px;
  line-height: 18px;
  text-indent: 24px;
  background-image: url("steamico.png"), url("minimize.png"), url("close.png");
  background-repeat: no-repeat;
  background-position:
    top left,
    top right 20px,
    top right;
}
.window:not(.headless):before {
  content: attr(name);
}
.window:not(.no-resize)::after {
  width: 12px;
  height: 12px;
  display: block;
  margin: 0 0 0 auto;
  position: relative;
  bottom: -7px;
  right: -7px;
  cursor: nwse-resize;
  content: "";
  background-image: url("resize.png");
}
.window.half,
.window-row .window {
  max-width: 380px;
  width: 100%;
  align-self: center;
}

/*** Progress Bar ***/
progress {
  -webkit-appearance: none;
  appearance: none;
  display: block;
  width: 90%;
  margin: 12px auto;
  margin-top: 18px;
  height: 26px;
  box-sizing: border-box;
  border-top: solid 1px #292d23;
  border-bottom: solid 1px #899281;
  border-left: solid 1px #292d23;
  border-right: solid 1px #899281;
  background: #3e4637;
}
progress::-webkit-progress-bar {
  background: #3e4637;
  padding: 4px;
}
progress::-webkit-progress-value {
  height: 16px;
  background: repeating-linear-gradient(
    to right,
    #96892d,
    #96892d 8px,
    #3e4637 1px,
    #3e4637 12px
  );
}
progress::-moz-progress-bar {
  height: 16px;
  background: repeating-linear-gradient(
    to right,
    #96892d,
    #96892d 8px,
    #3e4637 1px,
    #3e4637 12px
  );
  margin-top: 4px;
  margin-left: 4px;
}

/*** Scrollbar ***/
::-webkit-scrollbar,
::-webkit-scrollbar-corner {
  width: 18px;
  background-color: #5a6a50;
}
::-webkit-scrollbar-thumb {
  background-color: #4c5844;
  border-top: solid 1px #899281;
  border-bottom: solid 1px #292d23;
  border-left: solid 1px #899281;
  border-right: solid 1px #292d23;
}
::-webkit-scrollbar-button {
  width: 18px;
  height: 18px;
  border-top: solid 1px #899281;
  border-bottom: solid 1px #292d23;
  border-left: solid 1px #899281;
  border-right: solid 1px #292d23;
  background: #4c5844;
}
::-webkit-scrollbar-button:active {
  border-top: solid 1px #292d23;
  border-bottom: solid 1px #899281;
  border-left: solid 1px #292d23;
  border-right: solid 1px #899281;
}
::-webkit-scrollbar-button:vertical:increment {
  background:
    url("scroll_down.png") no-repeat center,
    #4c5844;
}
::-webkit-scrollbar-button:vertical:decrement {
  background:
    url("scroll_up.png") no-repeat center,
    #4c5844;
}
::-webkit-scrollbar-button:horizontal:increment {
  background:
    url("scroll_right.png") no-repeat center,
    #4c5844;
}
::-webkit-scrollbar-button:horizontal:decrement {
  background:
    url("scroll_left.png") no-repeat center,
    #4c5844;
}

/*** Borders ***/
.border {
  border-top: solid 1px #899281;
  border-bottom: solid 1px #292d23;
  border-left: solid 1px #899281;
  border-right: solid 1px #292d23;
}
.border-inverted {
  border-top: solid 1px #292d23;
  border-bottom: solid 1px #899281;
  border-left: solid 1px #292d23;
  border-right: solid 1px #899281;
}
.inset,
.box.inset,
.window.rounded {
  background-color: #3e4637;
  border-top: solid 1px #292d23;
  border-bottom: solid 1px #899281;
  border-left: solid 1px #292d23;
  border-right: solid 1px #899281;
}
.inset code,
.box.inset code,
.window.rounded code {
  background-color: #4c5844;
}
.rounded,
.box.rounded,
.window.rounded {
  border: none;
  border-radius: 10px;
}
.inset .rounded {
  background-color: #4a5942;
}
.inset .rounded code {
  background-color: #3e4637;
}
.flex-row {
  display: flex;
  flex-direction: row;
}
.flex-column {
  display: flex;
  flex-direction: column;
}
.flex-row,
.flex-column {
  align-items: flex-start;
}

/*** Base / Typography ***/
body {
  background-color: #3e4637;
  font-family: "Trebuchet MS", "Verdana", sans-serif;
  color: #d8ded3;
  font-size: 14px;
}
::selection {
  background-color: #96892d;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 3px 12px 12px;
}
h1,
h2 {
  color: #c4b550;
}
h1 {
  font-size: 18px;
}
h2 {
  font-size: 16px;
}
p {
  text-align: left;
  margin: 12px 12px 12px;
  color: #d8ded3;
}
fieldset {
  border-top: solid 1px #292d23;
  border-bottom: solid 1px #899281;
  border-left: solid 1px #292d23;
  border-right: solid 1px #899281;
}
code {
  background: #3e4637;
  padding: 0 3px;
}
hr {
  margin: 20px 0;
  border: none;
  height: 1px;
  background-color: #3e4637;
}
img {
  object-fit: contain;
  margin: 2px;
}
main,
.window-column {
  display: flex;
  flex-direction: column;
}
.window-row {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: stretch;
}
.window,
.box {
  border-top: solid 1px #899281;
  border-bottom: solid 1px #292d23;
  border-left: solid 1px #899281;
  border-right: solid 1px #292d23;
}
.window::before,
.titlebar,
legend {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 12px;
  color: white;
  font-weight: bold;
}
img {
  border: solid 2px #7b8484;
}
a {
  text-decoration: none;
  color: #aaaaaa;
}
a:hover {
  text-decoration: underline;
}
.DownloadButton {
  background: url(/greensteam/download.png) no-repeat;
  border: none;
}
.DownloadButton:active {
  background: url(/greensteam/download_pressed.png) no-repeat;
}

/*** Video Background ***/
.video-bg {
  width: 100%;
  min-height: 100svh;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
}

@keyframes hue-drift {
  0% {
    filter: blur(4px) brightness(50%) saturate(0.4) contrast(0.95)
      hue-rotate(0deg);
  }
  50% {
    filter: blur(4px) brightness(50%) saturate(0.4) contrast(0.85)
      hue-rotate(40deg);
  }
  100% {
    filter: blur(4px) brightness(50%) saturate(0.4) contrast(0.95)
      hue-rotate(0deg);
  }
}

.video-bg video {
  position: absolute;
  object-fit: cover;
  /* filter: blur(4px) brightness(50%) saturate(0.4) contrast(0.95); */
  transform: scale(1.1);
  animation: hue-drift 34s ease-in-out infinite;
  width: 100%;
  height: 100%;
  z-index: -1;
}
.content {
  z-index: 1;
}

body {
  margin: 0;
  overflow-x: hidden;
}

/*** CRT Effect ***/
:root {
  --crt-red: rgb(218, 49, 49);
  --crt-green: rgb(112, 159, 115);
  --crt-blue: rgb(40, 129, 206);
}
html {
  font-size: 1.5rem;
  font-family: "Courier New", monospace;
  min-height: 100%;
}

.crt {
  background-color: rgb(25, 25, 30);
  text-shadow:
    0 0 0.2em currentColor,
    1px 1px rgba(255, 0, 255, 0.5),
    -1px -1px rgba(0, 255, 255, 0.4);
  position: relative;
  &:before,
  &:after {
    content: "";
    transform: translateZ(0);
    pointer-events: none;
    /* opacity: 0.5; */
    mix-blend-mode: overlay;
    position: absolute;
    height: 100%;
    width: 100%;
    left: 0;
    top: 0;
    z-index: 1;
  }

  &:before {
    background: repeating-linear-gradient(
      var(--crt-red) 0px,
      var(--crt-green) 2px,
      var(--crt-blue) 4px
    );
  }
  &:after {
    background: repeating-linear-gradient(
      90deg,
      var(--crt-red) 1px,
      var(--crt-green) 2px,
      var(--crt-blue) 3px
    );
  }
}

/* Bump video-bg and main above the CRT scanline overlays */
.video-bg,
.video-bg main {
  position: relative;
  z-index: 1;
}

/* main inside video-bg: keep greensteam column layout + center content */
.video-bg main {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: rgba(255, 255, 255, 0.75);
  text-shadow:
    0 0 0.2em currentColor,
    1px 1px rgba(255, 0, 255, 0.5),
    -1px -1px rgba(0, 255, 255, 0.4);
}

/*** CRT Typography helpers ***/
.pink {
  color: pink;
}
.yellow {
  color: yellow;
}
.lightblue {
  color: lightblue;
}
.wrapper {
  padding-top: 2rem;
  padding-left: 1rem;
  display: inline-block;
  white-space: nowrap;
}
.code {
  animation: typewriter 1s steps(14) 1s 1 normal both;
  line-height: 1;
  margin: 0;
  display: inline-block;
  white-space: nowrap;
  overflow-x: hidden;
}
.cursor {
  display: inline-block;
  animation: blinkTextCursor 500ms infinite normal;
}

/*** Animations ***/
@keyframes typewriter {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}
@keyframes blinkTextCursor {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}