/**
 * 블루버드 공통 스타일
 */

/* 탭 활성화 */
.tab-btn.active {
    border-bottom-color: #00d9ff;
    color: #00d9ff;
}

/* 엔그램 카드 */
.engram-card {
    cursor: pointer;
    transition: all 0.3s ease;
}

.engram-card:hover {
    transform: translateY(-2px);
}

.engram-card.selected {
    border-color: #00d9ff;
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.5);
}

/* 커스텀 스크롤바 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #1a1a1a;
}

::-webkit-scrollbar-thumb {
    background: #00d9ff;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #00b8d9;
}

/* 모달 애니메이션 */
#modal {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* 로딩 스피너 */
.loading {
    border: 2px solid #1a1a1a;
    border-top: 2px solid #00d9ff;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}