* {
  font-family: "Roboto Mono", monospace;
  font-optical-sizing: auto;
  font-weight: 600;
  font-style: normal;
  user-select: none;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: default;
}

button:active {
  box-shadow: inset 0 4px 6px rgba(0, 0, 0, 0.1);
}

body {
  background-color: #346151;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #243a6f;
}

#title {
  margin: 10px;
  font-size: 1rem;
  color: #fff;
}

@media screen and (min-height: 800px) and (min-width: 430px) {
  #title {
    font-size: 2rem;
  }
}

.state-controls {
  margin: 0px 0px;
}

@media screen and (min-width: 330px) {
  .state-controls {
    margin: 5px 20px;
  }
}

.controls-button {
  background-color: transparent;
  border: none;
  border-radius: 5px;
  font-size: 1.6rem;
}

.controls-button:disabled {
  opacity: 0.5;
}

.controls-button:hover {
  background-color: #3b54c7;
}

#reset-controls-button {
  margin-left: 10px;
}

@media (min-width: 1600px) {
  header {
    justify-content: center;
  }

  .state-controls {
    margin-left: auto;
    margin-right: auto;
  }
}

#content {
  flex: 1;
  display: flex;
  justify-content: center;
  padding: 1rem 0;
}

#card-grid {
  display: flex;
  justify-items: center;
  gap: 10px;
}

#card-grid .column {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: max(min(22vw, 100px), 70px);
  height: max(min(8vh, 60px), 40px);
  border: 6px solid #000;
  border-radius: 10px;
  background-color: #f0f0f0;
  padding: 0% 8%;
}

.card:not(.card-discarded):hover {
  transform: scale(1.05);
  transition: transform 0.2s ease;
}

.card:not(.card-discarded):active {
  transform: scale(1.02);
  transition: transform 0.05s ease;
}

.card span {
  font-size: 2rem;
  color: #000;
}

.card span.num-10 {
  font-size: 1.7rem;
}

.card img {
  width: 40%;
  padding: 2px;
}

.card-discarded {
  opacity: 0.1;
}

.card-owned {
  background-color: #4664e7;
}

.card-enemy {
  background-color: #e74646;
}

.card-selected {
  position: relative;
}

.card-selected::before {
  content: "";
  position: absolute;
  top: -7px;
  left: -7px;
  right: -7px;
  bottom: -7px;
  border-radius: 10px;
  border: 3px solid #00ffff;
  pointer-events: none;
}

footer {
  display: flex;
  justify-content: center;
  align-items: center;
}

#action-button-container {
  display: flex;
  width: min(100%, 440px);
  justify-content: center;
}

#action-button-container button {
  flex: 1;
  color: white;
  border: none;
  border-radius: 5px;
  padding: 10px 20px;
  font-weight: 600;
  margin: 5px;
  text-transform: uppercase;
  transition: background-color 0.3s, transform 0.1s;
}

@media screen and (min-height: 770px) {
  #action-button-container button {
    padding: 20px 20px;
  }
}

#mine-action-button {
  background-color: #4664e7;
}

#mine-action-button:hover {
  background-color: #3b54c7;
}

#enemy-action-button {
  background-color: #e74646;
}

#enemy-action-button:hover {
  background-color: #c73b3b;
}

#discard-action-button {
  background-color: #a29494;
}

#discard-action-button:hover {
  background-color: #8f7f7f;
}