/* a minimalist set of CSS resets */

/* default to border-box */
html {
  box-sizing: border-box;
  font-size: 15px;
}

*,
*:before,
*:after {
  box-sizing: inherit;
}

:root {
  /* Source: https://www.madebymike.com.au/writing/precise-control-responsive-typography/ */
  --modal-size: calc(12px + (20 - 12) * ((100vw - 400px) / (800 - 400)));

  --text-light: #000000;
  --number-input-light: #ffffff;
  --bkg-light: #f5f5f5;
  --guide-img-light: #ffffff;
  --modal-bkg-light: #e6e6fa;
  --modal-a-light: #a045d1;
  --theme-text-light: #f5f5f5;
  --theme-bkg-light: #000000;

  --text-dark: #ffffff;
  --number-input-dark: #000000;
  --bkg-dark: #292727;
  --guide-img-dark: #ffffff;
  --modal-bkg-dark: #800080;
  --modal-a-dark: #afbbe3;
  --theme-text-dark: #000000;
  --theme-bkg-dark: #f5f5f5;
}

@media (prefers-color-scheme: light) {
  :root {
    --text: var(--text-light);
    --bkg: var(--bkg-light);
    --number-input: var(--number-input-light);
    --guide-img: var(--guide-img-light);
    --modal-bkg: var(--modal-bkg-light);
    --modal-a: var(--modal-a-light);
    --theme-text: var(--theme-text-light);
    --theme-bkg: var(--theme-bkg-light);
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: var(--text-dark);
    --bkg: var(--bkg-dark);
    --number-input: var(--number-input-dark);
    --guide-img: var(--guide-img-dark);
    --modal-bkg: var(--modal-bkg-dark);
    --modal-a: var(--modal-a-dark);
    --theme-text: var(--theme-text-dark);
    --theme-bkg: var(--theme-bkg-dark);
  }
}

[color-theme="light"] {
  --text: var(--text-light);
  --bkg: var(--bkg-light);
  --number-input: var(--number-input-light);
  --guide-img: var(--guide-img-light);
  --modal-bkg: var(--modal-bkg-light);
  --modal-a: var(--modal-a-light);
  --theme-text: var(--theme-text-light);
  --theme-bkg: var(--theme-bkg-light);
}

[color-theme="dark"] {
  --text: var(--text-dark);
  --bkg: var(--bkg-dark);
  --number-input: var(--number-input-dark);
  --guide-img: var(--guide-img-dark);
  --modal-bkg: var(--modal-bkg-dark);
  --modal-a: var(--modal-a-dark);
  --theme-text: var(--theme-text-dark);
  --theme-bkg: var(--theme-bkg-dark);
}

/* adjust typography defaults */
body {
  display: flex;
  position: relative;
  flex-direction: column;
  margin: 1rem;
  font-family: sans-serif;
  line-height: 1.5;
  padding: 0;
  margin: 0;
  text-align: center;
  justify-content: center;
  height: auto;
  background-color: var(--bkg);
  color: var(--text);
}

navbar {
  border: 1px solid black;
}

/* images and videos max out at full width */
img,
video {
  height: auto;
  max-width: 100%;
}

input[type="button"] {
  -webkit-appearance: none;
}

/* Game CSS */
#game-board {
  position: relative;
  width: 100%;
  height: 80vh;
  padding: 0;
  margin: 0;
}

#game-timer {
  width: 50vmin;
}

#solve-timer {
  width: 30vmin;
}

#key-input {
  width: 40vmin;
  justify-content: center;
  align-items: center;
}

#keyboard {
  position: absolute;
  margin-left: auto;
  margin-right: auto;
  left: 0;
  right: 0;
  text-align: center;
  top: 50vh;
}

#equation {
  font-size: 5vmin;
  font-family: "Source Code Pro", monospace;
  font-weight: bolder;
}

#score {
  font-size: 3vmax;
  margin-top: 0px;
}

.heading {
  font-family: "Bad Script", cursive;
  font-size: 50px;
  margin: 0 auto;
}

.sm {
  font-size: 20px;
}

.container {
  display: flex;
  flex-direction: column;
  height: auto;
  width: auto;
  align-items: center;
}

.timerbar {
  width: 100%;
  height: 3vmin;
  margin: 10px auto;
  /* padding: 1px; */
  border: solid 1px #3b2825;
  border-radius: 10px;
}

.timerbar .inner {
  height: 2.9vmin;
  width: 100%;
  border-radius: 10px;
  animation: timerbar-countdown;
  /* Placeholder, this will be updated using javascript */
  animation-duration: 40s;
  /* We stop in the end */
  animation-iteration-count: 1;
  /* Stay on pause when the animation is finished */
  animation-fill-mode: forwards;
  /* We start paused, we start the animation using javascript */
  animation-play-state: paused;
  /* We want a linear animation, ease-out is standard */
  animation-timing-function: linear;
}

@keyframes timerbar-countdown {
  0%,
  100% {
    width: 100%;
    background: #35ea20;
  }
  99.99% {
    width: 0%;
    background: #ea3f20;
  }
}

.theme {
  position: absolute;
  top: 1vmin;
  left: 1vmin;
  height: 8vmin;
  width: 8vmin;
  border-radius: 10px;
  font-size: var(--modal-size);
  padding: 1px;
  text-align: center;
  color: var(--theme-text);
  background-color: var(--theme-bkg);
}

.wrapper {
  position: absolute;
  top: 2vmin;
  right: 2vmin;
  height: 5vmin;
  width: auto;
  margin-top: 10px;
  /* This part is important for centering the content */
  display: flex;
  align-items: center;
  justify-content: center;
  /* End center */
  border-radius: 5px;
}

.wrapper img {
  height: 50px;
  width: 50px;
  background-color: var(--guide-img);
  border-radius: 3px;
}

.wrapper img:hover {
  height: 50px;
  width: 50px;
  padding: 15px;
  background-color: #e6e6fa;
  border-radius: 3px;
  color: #585858;
}

.modal {
  visibility: hidden;
  opacity: 0;
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(77, 77, 77, 0.7);
  transition: all 0.4s;
  font-size: var(--modal-size);
  height: 100vh;
}

.modal:target {
  visibility: visible;
  opacity: 1;
}

.modal__content {
  border-radius: 4px;
  position: relative;
  width: 80%;
  max-width: 90%;
  background: var(--modal-bkg);
  padding: 1em 2em;
  height: 90%;
  overflow: auto;
}

.modal__footer {
  text-align: right;
}

.modal__footer a {
   color: var(--modal-a);
}

.modal__close {
  position: absolute;
  top: 10px;
  right: 10px;
  color: var(--text);
  text-decoration: none;
}

.content {
  display: flex;
  flex-direction: column;
}

.content-block {
  display: inline-block;
  height: auto;
  text-align: left;
}

.content-block input {
  height: 5vw + var(--modal-size);
  width: 10vw + var(--modal-size);
}

.number-select {
  width: var(--modal-size) - 5vmax;
  font-size: var(--modal-size);
}

.btn {
  display: inline-block;
  height: 10vmin;
  width: 10vmin;
  margin: 1vmin;
  background-color: #969393;
  color: var(--number-input);
  opacity: 100%;
  border: 0.5px solid black;
  border-radius: 5px;
  font-size: 2vmax;
}

.btn:hover {
  background-color: #19e631;
}

.exw {
  width: fit-content;
  padding-left: 1vmin;
  padding-right: 1vmin;
}

/* Reference: https://stackoverflow.com/a/66201076 */
input[type="radio"] {
  width: var(--modal-size);
  height: var(--modal-size);
}

input[type="radio"]:checked {
  width: var(--modal-size);
  height: var(--modal-size);
}