/* 나이 계산기 전용 스타일 */

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

.inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.85rem 0.95rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.input-group label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-sub);
}

.hint-inline {
  font-size: 0.65rem;
  font-weight: 500;
  text-transform: none;
  letter-spacing: normal;
  color: var(--text-sub);
  opacity: 0.8;
  margin-left: 0.25rem;
}

.input-group input[type="date"] {
  width: 100%;
  padding: 0.6rem 0.75rem;
  font-size: 0.95rem;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  min-height: 44px;
}
.input-group input[type="date"]:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.12);
}

.error {
  margin-bottom: 0.85rem;
  padding: 0.75rem 0.95rem;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 8px;
  color: var(--error);
  font-size: 0.85rem;
}
.error[hidden] { display: none; }

.results {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.results[hidden] { display: none; }

.age-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 0.65rem;
}

.age-card {
  padding: 1.1rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-align: center;
}

.age-card.primary {
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.12), rgba(102, 126, 234, 0.04));
  border-color: var(--primary);
}

.age-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-sub);
  margin-bottom: 0.45rem;
}

.age-value {
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.age-card.primary .age-value {
  color: var(--primary);
}

.age-note {
  margin-top: 0.4rem;
  font-size: 0.72rem;
  color: var(--text-sub);
}

.meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

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

.meta-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-sub);
  margin-bottom: 0.3rem;
}

.meta-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

@media (max-width: 600px) {
  .inputs { grid-template-columns: 1fr; }
  .age-grid {
    grid-template-columns: 1fr 1fr;
  }
  .age-card.primary {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .age-value { font-size: 1.55rem; }
  .meta-grid { grid-template-columns: 1fr; }
}