body {
  font-family: Arial, sans-serif;
  background-color: #0d0f14;
  color: #e8eaf0;
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

header {
  background-color: #2c3e50;
  color: white;
  text-align: center;
  padding: 40px 20px;
}

header h1 {
  font-size: 2rem;
  margin-bottom: 8px;
  color: #e8c170;
}

header h2 {
  font-size: 1rem;
  font-weight: normal;
  color: #aab;
}

nav {
  background-color: #34495e;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  padding: 12px;
  flex-wrap: wrap;
}

nav a {
  color: white;
  text-decoration: none;
  padding: 8px 20px;
  border-radius: 5px;
}

nav a:hover {
  background-color: #e8c170;
  color: #2c3e50;
}

main {
  max-width: 700px;
  margin: 40px auto;
  padding: 0 20px;
}

.status-bar {
  display: flex;
  justify-content: space-between;
  background-color: #1c2030;
  padding: 12px 20px;
  border-radius: 8px;
  margin-bottom: 20px;
  color: #7eb8d4;
}

.status-bar strong {
  color: #e8c170;
}

.question-box {
  background-color: #1c2030;
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

h3 {
  color: #e8c170;
  font-size: 1.3rem;
  margin-bottom: 24px;
  line-height: 1.5;
}

.answers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.answers button {
  padding: 16px;
  font-size: 1rem;
  background-color: #2c3e50;
  color: white;
  border: 2px solid #34495e;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}

.answers button:hover:not(:disabled) {
  background-color: #34495e;
  border-color: #e8c170;
}

.answers button:disabled {
  cursor: not-allowed;
}

/* Correct answer = green */
.answers button.correct {
  background-color: #28a745;
  border-color: #1e7e34;
  color: white;
  font-weight: bold;
}

/* Wrong answer = red */
.answers button.wrong {
  background-color: #dc3545;
  border-color: #a71d2a;
  color: white;
  font-weight: bold;
}

#feedback {
  margin-top: 20px;
  padding: 16px;
  background-color: #0d0f14;
  border-radius: 5px;
  color: #c0c4d0;
  font-style: italic;
  text-align: center;
}

#feedback:empty {
  display: none;
}

#errorBox {
  margin-top: 16px;
  padding: 12px;
  background-color: #4a1c1c;
  border: 1px solid #dc3545;
  border-radius: 5px;
  color: #ffb3b3;
}

#errorBox:empty {
  display: none;
}

#nextBtn {
  display: block;
  margin: 20px auto 0;
  padding: 12px 30px;
  background-color: #e8c170;
  color: #0d0f14;
  border: none;
  border-radius: 5px;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1px;
}

#nextBtn:hover {
  background-color: #7eb8d4;
}

footer {
  background-color: #141720;
  color: #aab;
  text-align: center;
  padding: 20px;
  font-size: 0.85rem;
  margin-top: 60px;
}

.debug-info {
  background-color: #1c2030;
  border-left: 4px solid #e8c170;
  border-radius: 8px;
  padding: 20px 24px;
  margin-bottom: 24px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.debug-info h3 {
  color: #e8c170;
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.debug-info p {
  color: #c0c4d0;
  font-size: 0.9rem;
  line-height: 1.7;
  margin: 0;
}

.debug-info code {
  background-color: #0d0f14;
  color: #7eb8d4;
  padding: 2px 6px;
  border-radius: 3px;
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
}