:root {
  --background-color: #e7e2d5;
  --device-red: #f2003c;
  --accent-color: #fbceb1;
}

@font-face {
  font-family: DepartureMono;
  src:
    url("../../shared/fonts/DepartureMono-1.500/DepartureMono-Regular.woff2"),
    url("../../shared/fonts/DepartureMono-1.500/DepartureMono-Regular.woff"),
    url("../../shared/fonts/DepartureMono-1.500/DepartureMono-Regular.otf");;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  overflow: hidden;
  
  font-family: DepartureMono, monospace;
  background-color: var(--background-color);
}

.device {
  display: flex;
  flex-direction: column;
  align-items: center;

  padding: 0 30px 10px;
  border-radius: 15px;
  background: var(--device-red);

  box-shadow:
    /* small device depth at the bottom edge */
    0 6px 0 #a8002b,
    0 8px 0 #920025,

    /* soft shadow on background */
    0 10px 18px rgba(0, 0, 0, 0.18),
    0 22px 30px rgba(0, 0, 0, 0.14);
}

h1 {
  font-size: 2.5rem;
  margin: 0.5rem 0;
  color: var(--accent-color);
}

#canvasContainer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;

  height: 75vmin;
  width: 75vmin;

  touch-action: none;
  user-select: none;
}

.square {
  box-sizing: border-box;
  background-color: white;
}

.squareBorder {
  border: 0.2px solid var(--background-color);
}

.controls {
  display: flex;
  text-align: center;

  padding-top: 20px;
}

#gridSizeSlider {
  accent-color: var(--accent-color);
  margin: 0 14px;
  
}

button {
  cursor: pointer;
  background: var(--background-color);
  border: none;
  border-radius: 12px;

  box-shadow: rgba(0, 0, 0, 0.4) 0px 2px 4px,
    rgba(0, 0, 0, 0.3) 0px 7px 13px -3px, rgba(0, 0, 0, 0.2) 0px -3px 0px inset;

  width: 36px;
  height: 36px;

  margin-left: 14px;
}

button.active {
  color: white;
  background-color: blue;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: rgba(0, 0, 0, 0.15) 0px 5px 15px;
}