/* 버튼, 폼 등 공통 컴포넌트 스타일 + 구구단 카드/모달 */
.btn {
    min-height: 44px;
    min-width: 44px;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--primary-color);
    color: #fff;
}
.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
input, button {
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 8px;
    font-size: 1rem;
}
.dan-card { user-select:none; }
#dan-modal { animation: fadeIn 0.2s; }
@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }