:root {
  --base: #008080;
  --dark: #002425;
  --attention: #ff8749;
  --attention-light: rgb(255, 135, 73, 0.2);
  --warning: #8b1c00;
  --box-shadow: 6px 12px 24px rgba(0, 0, 0, 0.2);
}

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

body {
  margin: 0;
  background-color: var(--base);
  font-size: 18px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  color: #fff;
}

.main {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 1.5rem;
}

footer {
  margin-top: auto;
  background-color: #000;
  color: #fff;
  padding: 1rem 2rem;
}

a {
  color: inherit;
  text-decoration: none;
}

.highlight {
  color: var(--attention);
}

canvas {
  background-color: #fff;
  border: 1px solid #000;
}

.button {
  cursor: pointer;
  padding: 0.25em 1.25em;
  border-radius: 6rem;
  border: #000 2px solid;
}
.button:hover {
  box-shadow: var(--box-shadow);
  scale: 1.005;
}

.flex-center {
  display: flex;
  align-items: center;
}

.icon {
  width: 1em;
  height: 1em;
  margin-right: 0.5em;
  font-size: 1em;
}

.button-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 1.5rem 0;
}
@media only screen and (min-width: 500px) {
  .button-container {
    flex-direction: row;
    justify-content: space-between;
  }
}

.pen-tools {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 85%;
  margin: 1rem;
  gap: 1.2rem;
}
@media only screen and (min-width: 768px) {
  .pen-tools {
    flex-direction: row;
    justify-content: space-between;
    width: 85%;
    max-width: 730px;
  }
}

.drawing-colors {
  display: flex;
  align-items: center;
}

.color-circle {
  height: 20px;
  width: 20px;
  border-radius: 50%;
  margin-left: 0.5rem;
  border: 1px solid #000;
  cursor: pointer;
}

.color-circle:nth-child(1) {
  background-color: black;
}
.color-circle:nth-child(2) {
  background-color: green;
}
.color-circle:nth-child(3) {
  background-color: blue;
}
.color-circle:nth-child(4) {
  background-color: yellow;
}
.color-circle:nth-child(5) {
  background-color: orange;
}
.color-circle:nth-child(6) {
  background-color: grey;
}
.color-circle:nth-child(7) {
  background-color: salmon;
}
.active {
  transform: scale(1.3);
}

/* Layout Debugger */

/* * { outline: 2px dotted red }
* * { outline: 2px dotted green }
* * * { outline: 2px dotted orange }
* * * * { outline: 2px dotted blue }
* * * * * { outline: 1px solid red }
* * * * * * { outline: 1px solid green }
* * * * * * * { outline: 1px solid orange }
* * * * * * * * { outline: 1px solid blue } */