/* 자녀 학년 계산기 전용 스타일 */

nav { max-width: 760px; }
main { max-width: 760px; }

.card-title {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.sg-card {
  padding: 1rem 1.1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 0.95rem;
}

.sg-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
}

.sg-field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 0;
}

.sg-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-sub);
}
.sg-label em {
  font-style: normal;
  font-size: 0.7rem;
  color: var(--text-sub);
  font-weight: 500;
  margin-left: 0.25rem;
  text-transform: none;
  letter-spacing: 0;
}

.sg-field input {
  padding: 0.65rem 0.75rem;
  font-size: 1.05rem;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-weight: 700;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--bg);
  color: var(--text);
  outline: none;
  transition: border-color 0.15s;
  font-variant-numeric: tabular-nums;
}
.sg-field input:focus { border-color: var(--primary); }

.result-card {
  padding: 1.2rem 1.3rem 1.3rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 0.95rem;
}

.result-hero {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.1rem;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: 11px;
  margin-bottom: 1.1rem;
}

.hero-icon {
  font-size: 2.5rem;
  line-height: 1;
}

.hero-text {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.hero-grade {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}

.hero-stage {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-sub);
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem 1rem;
  margin-bottom: 1.1rem;
}

.info-cell {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border);
}

.info-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-sub);
}

.info-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}
.info-value.mono {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-variant-numeric: tabular-nums;
}

.track-card {
  padding: 0.85rem 1rem 0.95rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.track-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.track-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.65rem;
  align-items: center;
  padding: 0.4rem 0.7rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 0.86rem;
}
.track-item.current {
  background: rgba(99, 102, 241, 0.08);
  border-color: rgba(99, 102, 241, 0.4);
}
.track-item.past { opacity: 0.55; }

.track-icon { font-size: 1rem; }
.track-name { font-weight: 700; color: var(--text); }
.track-year {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.78rem;
  color: var(--text-sub);
  font-variant-numeric: tabular-nums;
}
.track-item.current .track-name { color: var(--primary); }
.track-item.current .track-year { color: var(--primary); font-weight: 700; }

.sg-note {
  margin-top: 1rem;
  padding: 0.7rem 0.9rem;
  font-size: 0.8rem;
  color: var(--text-sub);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  line-height: 1.65;
}

@media (max-width: 600px) {
  .sg-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .hero-icon { font-size: 2rem; }
  .hero-grade { font-size: 1.2rem; }
  .track-item { font-size: 0.82rem; padding: 0.4rem 0.5rem; }
}