/* =========================================================
   라이트박스 (F-ORDER-12)
   /js/components/lightbox.js 가 body 에 append 하는 .lb-overlay 단일 루트.
   ========================================================= */

body.lb-no-scroll { overflow: hidden; }

.lb-overlay {
    position: fixed;
    inset: 0;
    z-index: 1080;
    background: rgba(0, 0, 0, 0.88);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 4rem 5rem;
    box-sizing: border-box;
}

.lb-overlay.is-open { display: flex; }

/* 이미지 stage */
.lb-stage {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;   /* 이미지 자체 클릭이 배경 클릭으로 흡수되도록 */
}

.lb-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    background: #FFFFFF;
    border-radius: 6px;
    box-shadow: 0 6px 28px rgba(0, 0, 0, 0.45);
    pointer-events: auto;
    user-select: none;
}

/* 로딩 / 에러 상태 — 지연 로드 시 노출 */
.lb-loading,
.lb-error {
    color: #FFFFFF;
    text-align: center;
    pointer-events: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
}
.lb-loading[hidden],
.lb-error[hidden] { display: none; }

.lb-loading i {
    font-size: 2rem;
    color: #93C5FD;
    animation: lb-spin 1.2s linear infinite;
}
.lb-loading p { margin: 0; font-size: 0.95rem; }

.lb-error i {
    font-size: 2rem;
    color: #FCA5A5;
}
.lb-error p { margin: 0; font-size: 0.95rem; }

@keyframes lb-spin { to { transform: rotate(360deg); } }

/* 다운로드 버튼 비활성화 — 로딩/에러 상태에서 */
.lb-download:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    background: rgba(255, 255, 255, 0.08);
}

/* 공통 버튼 */
.lb-overlay button {
    appearance: none;
    background: rgba(255, 255, 255, 0.12);
    color: #FFFFFF;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.15s, transform 0.05s;
    font-family: inherit;
}

.lb-overlay button:hover  { background: rgba(255, 255, 255, 0.22); }
.lb-overlay button:active { transform: scale(0.96); }
.lb-overlay button:focus-visible {
    outline: 2px solid #60A5FA;
    outline-offset: 2px;
}

/* 닫기 (우상단) */
.lb-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 44px;
    height: 44px;
    font-size: 1.05rem;
}

/* 이전 / 다음 (좌·우, 수직 중앙) */
.lb-prev,
.lb-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 52px;
    height: 52px;
    font-size: 1.4rem;
}
.lb-prev { left: 1rem; }
.lb-next { right: 1rem; }
.lb-prev:active,
.lb-next:active { transform: translateY(-50%) scale(0.96); }

/* 하단 툴바 — 카운터 + 다운로드 */
.lb-toolbar {
    position: absolute;
    bottom: 1.25rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 0.9rem;
    background: rgba(0, 0, 0, 0.55);
    padding: 0.55rem 0.9rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.lb-counter {
    color: #FFFFFF;
    font-size: 0.9rem;
    font-weight: 500;
    min-width: 3.6rem;
    text-align: center;
    letter-spacing: 0.02em;
    user-select: none;
}

.lb-download {
    border-radius: 999px !important;
    width: auto !important;
    height: auto !important;
    padding: 0.45rem 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    gap: 0.4rem;
    /* 모바일 좁은 폭에서 한글 자모 단위로 줄바꿈되는 것 방지 ('다운로 / 드') */
    white-space: nowrap;
}

.lb-download i { font-size: 0.95rem; }

/* =========================================================
   모바일 (≤768px) — 버튼 위치·크기 축소
   ========================================================= */
@media (max-width: 768px) {
    .lb-overlay { padding: 0.75rem 3rem 4.5rem; }
    .lb-close { width: 38px; height: 38px; top: 0.6rem; right: 0.6rem; }
    .lb-prev, .lb-next { width: 42px; height: 42px; font-size: 1.15rem; }
    .lb-prev { left: 0.4rem; }
    .lb-next { right: 0.4rem; }
    .lb-toolbar { bottom: 0.8rem; padding: 0.45rem 0.7rem; gap: 0.6rem; }
    .lb-download { padding: 0.4rem 0.8rem; font-size: 0.85rem; }
}