/* 기본 레이아웃 */
#app { min-height: 100vh; }

/* [수정] 모달 내부 뷰포트 탈출 방지 */
.preview-modal img {
    width: 100%;
    max-width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 12px;
}

/* 프로그레스 바 애니메이션 */
#overall-progress {
    background-image: linear-gradient(45deg, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
    background-size: 1rem 1rem;
    animation: progress-bar-stripes 1s linear infinite;
}

@keyframes progress-bar-stripes {
    from { background-position: 1rem 0; }
    to { background-position: 0 0; }
}