:root {
  --ivory: #f4f4f4;
  --light-gray: #ccc;
  --medium-gray: #666;
  --dark-gray: #333;
  --blue: #3786d5;
  --light-blue: #e6f7ff;
  --coral: #ff6f61;
}

body {
  display: flex;
  flex-direction: column;
  font-family: lucida console;
  background-color: ivory;
}

#text-copied {
  position: absolute;
  background-color: lightblue;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
  display: none; /* Initially hidden */
  pointer-events: none; /* Prevent interference with clicks */
  font-size: 14px;
  z-index: 100;
}

header {
  background-color: var(--blue);
  text-align: center;
  font-size: 2.5em;
  padding-top: 10px;
  padding-bottom: 10px;
  color: var(--dark-gray);
}

main {
  /* needed to push footer to bottom of page */
  flex: 1;
  display: flex;
  flex-direction: column;
  z-index: 1;
}

.page-description {
  margin: 2% 2% 0 2%;
  color: var(--medium-gray);
  font-size: 1.25em;
}

#double-click {
  text-decoration: underline;
}

.card-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-evenly;
}

.card {
  width: 29%;
  height: 40vh;
  margin: 1%;
  clip-path: polygon(85% 0, 100% 15%, 100% 100%, 0 100%, 0 0);
  border: 5px solid var(--light-gray);
  background: #f4feff;
  background: linear-gradient(135deg, #e6f7ff, #3786d5);
  color: var(--coral);
  cursor: pointer;
}

.card-title {
  color: var(--medium-gray);
  text-align: center;
  font-weight: 600;
  font-size: 1.4em;
  padding: 3% 0 0 0;
}

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

.code-description {
  font-weight: 300;
  padding: 2%;
  font-size: 1.15em;
}

.code-block {
  padding: 2%;
  font-family: monospace;
  font-size: 1em;
  border: 5px solid var(--light-gray);
  margin: 2%;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
  user-select: all;
}

.code-block:hover {
  opacity: 1;
}

.code-block::selection {
  background-color: var(--blue);
}

footer {
  background-color: var(--blue);
  height: 6%;
  font-size: 1.75em;
  padding: 10px;
  text-align: center;
  color: var(--dark-gray);
}

@media screen and (max-width: 992px) {
  .card {
    width: 46%;
  }
}

@media screen and (max-width: 768px) {
  .card {
    width: 100%;
  }
}