:root {
  --bg: #12213D;
  --bg-glow: #1E3562;
  --panel: #1B2E52;
  --panel-line: #2E4470;
  --gold: #E3B23C;
  --gold-dim: #8A6E24;
  --cream: #F4EFE3;
  --correct: #3FA66B;
  --wrong: #D8544A;
  --sub: #9FB0CE;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Noto Sans KR', sans-serif;
  background: radial-gradient(circle at 50% -10%, var(--bg-glow) 0%, var(--bg) 55%);
  min-height: 100vh;
}

.page {
  min-height: 100vh;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.wrap {
  width: 100%;
  max-width: 420px;
}

/* Marquee header */
.marquee {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 20px;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--gold);
}

.marquee-text {
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--sub);
}

/* Panel */
.panel {
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.6);
}

.screen {
  animation: fade-in 0.2s ease;
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Buttons */
.btn-primary {
  width: 100%;
  padding: 13px;
  border: none;
  border-radius: 12px;
  font-weight: 700;
  font-size: 1rem;
  background: var(--gold);
  color: #1B2A4A;
  cursor: pointer;
  transition: transform 0.1s ease;
  font-family: inherit;
}

.btn-primary:active {
  transform: scale(0.97);
}

/* Start screen */
#screen-start {
  text-align: center;
  padding: 24px 0;
}

.title {
  color: var(--cream);
  font-family: 'Bricolage Grotesque', 'Noto Sans KR', sans-serif;
  font-weight: 800;
  font-size: 2.1rem;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}

.sub {
  color: var(--sub);
  font-size: 0.875rem;
  line-height: 1.6;
  margin: 0 0 32px;
}

/* Playing screen */
.row-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.badge {
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(227, 178, 60, 0.15);
  color: var(--gold);
  border: 1px solid var(--gold-dim);
}

.counter {
  color: var(--sub);
  font-size: 0.75rem;
  font-family: monospace;
}

.progress-track {
  height: 6px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--panel-line);
  margin-bottom: 24px;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--gold);
  transition: width 0.3s ease;
}

.question {
  color: var(--cream);
  font-family: 'Bricolage Grotesque', 'Noto Sans KR', sans-serif;
  font-weight: 700;
  font-size: 1.125rem;
  line-height: 1.5;
  min-height: 3.5rem;
  margin: 0 0 24px;
}

.choices {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.choice {
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
  padding: 12px 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--panel-line);
  color: var(--cream);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.875rem;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.choice:disabled {
  cursor: default;
}

.choice .num {
  font-family: monospace;
  font-size: 0.875rem;
  color: var(--gold);
}

.choice.correct {
  background: rgba(63, 166, 107, 0.15);
  border-color: var(--correct);
  color: var(--correct);
}

.choice.correct .num {
  color: var(--correct);
}

.choice.wrong {
  background: rgba(216, 84, 74, 0.15);
  border-color: var(--wrong);
  color: var(--wrong);
}

.choice.wrong .num {
  color: var(--wrong);
}

.explanation {
  margin-top: 16px;
  padding: 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--panel-line);
  color: var(--sub);
  font-size: 0.875rem;
  line-height: 1.6;
}

.verdict {
  font-weight: 700;
  margin-right: 6px;
}

.verdict.correct {
  color: var(--correct);
}

.verdict.wrong {
  color: var(--wrong);
}

#btn-next {
  margin-top: 12px;
}

/* End screen */
#screen-end {
  text-align: center;
  padding: 16px 0;
}

.result-label {
  color: var(--sub);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin: 0 0 8px;
}

.score {
  color: var(--gold);
  font-family: 'Bricolage Grotesque', 'Noto Sans KR', sans-serif;
  font-weight: 800;
  font-size: 3rem;
  margin-bottom: 4px;
}

.score-total {
  color: var(--sub);
  font-size: 1.5rem;
}

.grade-title {
  color: var(--cream);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 4px;
}

.grade-desc {
  color: var(--sub);
  font-size: 0.875rem;
  margin: 0 0 24px;
}

.grade-table {
  text-align: left;
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 24px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--panel-line);
}

.grade-table-label {
  color: var(--sub);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  margin: 0 0 10px;
}

.grade-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  padding: 4px 8px;
  border-radius: 8px;
  margin-bottom: 4px;
}

.grade-row.current {
  background: rgba(227, 178, 60, 0.12);
}

.grade-row .g-name {
  color: var(--cream);
}

.grade-row.current .g-name {
  color: var(--gold);
  font-weight: 700;
}

.grade-row .g-range {
  font-family: monospace;
  font-size: 0.75rem;
  color: var(--sub);
}

.grade-row.current .g-range {
  color: var(--gold);
}

.site-footer-note{
  margin-top:20px;
  padding-top:14px;
  border-top:1px solid var(--panel-line);
  font-size:11px;
  color:var(--sub);
  text-align:center;
  line-height:1.6;
}
.site-footer-note .legal-links{
  margin-top:6px;
}
.site-footer-note .legal-links a{
  color:var(--sub);
  text-decoration:none;
}
.site-footer-note .legal-links a:hover{
  color:var(--gold);
}

/* ---- SY Project 안내/FAQ 섹션 ---- */
.sy-info{ margin-top:28px; padding-top:20px; border-top:1px solid var(--panel-line); }
.sy-info h2{ font-size:16px; color:var(--cream); margin-bottom:10px; }
.sy-info > p{ font-size:13.5px; line-height:1.75; color:var(--sub); margin-bottom:16px; }
.sy-faq details{ border-top:1px solid var(--panel-line); padding:12px 0; }
.sy-faq summary{ cursor:pointer; font-weight:600; font-size:13.5px; color:var(--cream); list-style:none; }
.sy-faq summary::-webkit-details-marker{ display:none; }
.sy-faq summary::before{ content:'? '; color:var(--gold); }
.sy-faq details p{ margin-top:8px; font-size:13px; color:var(--sub); line-height:1.7; }