:root {
  font-family: system-ui, Avenir, Helvetica, Arial, sans-serif;
}

body {
  margin: 0;
  display: flex;
  justify-content: center; /* center horizontally */
  align-items: center; /* center vertically */
  height: 100vh; /* full viewport height */
  background: #000; /* optional */
}

/* UI overlay */
.ui-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  pointer-events: none; /* allow game canvas interactions if needed */
}

.ui-card {
  pointer-events: auto; /* re-enable for UI */
  width: min(500px, 45vw);
  margin: 20px;
  background: linear-gradient(
      45deg,
      transparent 25%,
      rgba(139, 69, 19, 0.1) 25%,
      rgba(139, 69, 19, 0.1) 50%,
      transparent 50%,
      transparent 75%,
      rgba(139, 69, 19, 0.1) 75%
    ),
    linear-gradient(
      -45deg,
      transparent 25%,
      rgba(160, 82, 45, 0.08) 25%,
      rgba(160, 82, 45, 0.08) 50%,
      transparent 50%,
      transparent 75%,
      rgba(160, 82, 45, 0.08) 75%
    ),
    #2d1810;
  background-size: 8px 8px, 12px 12px;
  border: 3px solid #8b4513;
  border-radius: 0px;
  color: #d2b48c;
  box-shadow: 0 0 10px rgba(139, 69, 19, 0.3);
  font-family: "Courier New", monospace;
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
  opacity: 0.95;
  position: relative;
}

.farmer-icon {
  position: absolute;
  top: -30px;
  right: -90px;
  width: 160px;
  height: 160px;
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
  z-index: 10;
}

.ui-card .ui-title {
  font-size: 20px;
  line-height: 1.2;
  font-weight: 700;
  padding: 18px 20px 0 20px;
  color: #cd853f;
  text-shadow: 2px 2px 0px #000000;
  font-family: "Courier New", monospace;
}

.ui-card .ui-subtitle {
  font-size: 14px;
  line-height: 1.4;
  padding: 8px 20px 12px 20px;
  color: #deb887;
  text-shadow: 1px 1px 0px #000000;
  font-family: "Courier New", monospace;
}

.answers-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  padding: 0 16px 16px 16px;
}

.answer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  background: linear-gradient(
      30deg,
      transparent 20%,
      rgba(139, 69, 19, 0.15) 20%,
      rgba(139, 69, 19, 0.15) 40%,
      transparent 40%,
      transparent 60%,
      rgba(160, 82, 45, 0.1) 60%,
      rgba(160, 82, 45, 0.1) 80%,
      transparent 80%
    ),
    #3d2f1f;
  background-size: 6px 6px;
  border: 2px solid #8b4513;
  border-radius: 0px;
  padding: 20px 16px;
  transition: background 0.2s ease, transform 0.06s ease, border-color 0.2s ease;
  min-height: 140px;
  font-family: "Courier New", monospace;
}

.answer:hover {
  background: linear-gradient(
      30deg,
      transparent 20%,
      rgba(139, 69, 19, 0.2) 20%,
      rgba(139, 69, 19, 0.2) 40%,
      transparent 40%,
      transparent 60%,
      rgba(160, 82, 45, 0.15) 60%,
      rgba(160, 82, 45, 0.15) 80%,
      transparent 80%
    ),
    #4a3c2a;
  background-size: 6px 6px;
  border-color: #cd853f;
  transform: translateY(-1px);
  box-shadow: 0 0 8px rgba(139, 69, 19, 0.4);
}

.answer button {
  all: unset;
  cursor: pointer;
  flex: 1;
  color: #deb887;
  font-family: "Courier New", monospace;
  text-shadow: 1px 1px 0px #000000;
}

.answer .option-key {
  font-weight: 700;
  color: #cd853f;
  text-shadow: 2px 2px 0px #000000;
  font-family: "Courier New", monospace;
}

.feedback {
  margin: 8px 20px 0 20px;
  font-weight: 600;
  padding: 10px 12px;
  border-radius: 0px;
  font-family: "Courier New", monospace;
  text-shadow: 1px 1px 0px #000000;
}

.feedback.success {
  background: #3d2f1f;
  color: #deb887;
  border: 2px solid #8b4513;
}

.feedback.error {
  background: #4d2f1f;
  color: #cd853f;
  border: 2px solid #8b4513;
}

.controls {
  display: flex;
  gap: 10px;
  padding: 12px 16px 16px 16px;
}

.btn {
  cursor: pointer;
  border: 2px solid #8b4513;
  border-radius: 0px;
  padding: 10px 14px;
  font-weight: 700;
  color: #deb887;
  transition: transform 0.06s ease, filter 0.2s ease, background 0.2s ease;
  background: #2d1810;
  font-family: "Courier New", monospace;
  text-shadow: 1px 1px 0px #000000;
}

.btn:hover {
  background: #3d2f1f;
  border-color: #cd853f;
  box-shadow: 0 0 8px rgba(139, 69, 19, 0.4);
  transform: translateY(-1px);
}
.btn:active {
  transform: translateY(0);
}

.btn-success {
  background: #3d2f1f;
  border-color: #8b4513;
}
.btn-danger {
  background: #4d2f1f;
  border-color: #8b4513;
}

/* Image-based answers prep */
.answer .option-img {
  width: 100px;
  height: 100px;
  border-radius: 0px;
  background: #1b1f2a center/cover no-repeat;
  flex: 0 0 100px;
  border: 2px solid #8b4513;
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
}

/* Responsive design */
@media (max-width: 768px) {
  #gameCanvas {
    border-width: 2px;
    border-radius: 8px;
  }

  .ui-card {
    width: min(680px, 95vw);
    margin-top: 14px;
  }
  .ui-card .ui-title {
    font-size: 20px;
  }
  .ui-card .ui-subtitle {
    font-size: 15px;
  }
}