:root {
  --quiz-green: #2f6f55;
  --quiz-green-soft: #eef7f2;
  --quiz-border: #dbe7e0;
  --quiz-text: #1f2933;
  --quiz-muted: #66736c;
}

body {
  font-family: "Noto Sans KR", "Poppins", sans-serif;
  color: var(--quiz-text);
  background: #fff;
}

.vocabulary-quiz-main {
  width: min(760px, calc(100% - 32px));
  margin: calc(var(--navbar-height, 56px) + 28px) auto 60px;
}

.vocabulary-quiz-header {
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 2px solid var(--quiz-green);
}

.vocabulary-quiz-header h1 {
  margin: 0 0 8px;
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 800;
}

.vocabulary-quiz-header p,
.quiz-entry-date {
  margin: 0;
  color: var(--quiz-muted);
  font-size: 0.9rem;
}

.quiz-entry {
  scroll-margin-top: calc(var(--navbar-height, 56px) + 24px);
}

.quiz-entry-title {
  margin: 0 0 6px;
  font-size: 1.35rem;
  font-weight: 800;
}

.quiz-entry-date {
  margin-bottom: 20px;
}

.vocabulary-quiz-card {
  margin-bottom: 18px;
  padding: 20px;
  border: 1px solid var(--quiz-border);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 4px 16px rgba(23, 53, 41, 0.06);
}

.quiz-question {
  margin: 0 0 14px;
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.55;
}

.quiz-choice-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.quiz-choice {
  padding: 10px 12px;
  border: 1px solid #e3e9e5;
  border-radius: 8px;
  background: #f8faf9;
  font-family: "Poppins", sans-serif;
  font-size: 0.92rem;
}

.quiz-answer-details {
  border-top: 1px solid var(--quiz-border);
}

.quiz-answer-toggle {
  padding: 14px 2px 0;
  color: var(--quiz-green);
  font-weight: 700;
  cursor: pointer;
}

.quiz-answer-details[open] .quiz-answer-toggle {
  margin-bottom: 14px;
}

.quiz-answer-content {
  padding: 16px;
  border-radius: 9px;
  background: var(--quiz-green-soft);
}

.quiz-answer-content p {
  margin: 0 0 10px;
  line-height: 1.7;
}

.quiz-answer-content p:last-child {
  margin-bottom: 0;
}

.quiz-answer-label,
.quiz-word-meaning {
  color: var(--quiz-green);
  font-weight: 800;
}

.quiz-answer-label {
  margin-bottom: 2px !important;
}

.quiz-loading,
.quiz-empty,
.quiz-error {
  padding: 24px 0;
  color: var(--quiz-muted);
}

.quiz-example-en {
  font-family: "Poppins", sans-serif;
  font-weight: 600;
}

.quiz-example-ko {
  color: #4d5953;
}

.quiz-source {
  margin-top: 24px;
  color: var(--quiz-muted);
  font-size: 0.88rem;
}

.quiz-source a {
  color: #c4302b;
  font-weight: 700;
}

@media (max-width: 520px) {
  .vocabulary-quiz-main {
    width: min(100% - 24px, 760px);
    margin-top: calc(var(--navbar-height, 56px) + 20px);
  }

  .vocabulary-quiz-card {
    padding: 16px;
  }

  .quiz-choice-list {
    grid-template-columns: 1fr;
  }
}