/* 全站共用圖片燈箱 — Apple-inspired 深色 UI */
.cm-img-lb-overlay {
    display: none;
    position: fixed;
    z-index: 30000;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    justify-content: center;
    align-items: center;
    cursor: zoom-out;
    padding: 2.5vh 2.5vw;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Segoe UI", system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
.cm-img-lb-overlay.cm-img-lb--open {
    display: flex;
}
.cm-img-lb-overlay.cm-img-lb--over-pe {
    z-index: 50000;
}

.cm-img-lb-shell {
    width: min(95vw, 1400px);
    height: 95vh;
    max-height: 95vh;
    display: flex;
    flex-direction: column;
    gap: 10px;
    box-sizing: border-box;
    cursor: default;
}

/* ── Topbar: frosted glass ── */
.cm-img-lb-topbar {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    color: rgba(255, 255, 255, 0.92);
    font-weight: 500;
    padding: 10px 14px;
    background: rgba(28, 28, 30, 0.72);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    flex-shrink: 0;
}
.cm-img-lb-topbar-meta {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-width: 0;
}
.cm-img-lb-title {
    font-size: 13px;
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.01em;
}
.cm-img-lb-caption {
    margin-top: 3px;
    font-size: 12px;
    line-height: 1.4;
    color: rgba(255, 255, 255, 0.62);
    overflow-wrap: anywhere;
    word-break: break-word;
}

/* ── Toolbar actions ── */
.cm-img-lb-actions {
    display: flex;
    flex-wrap: nowrap;
    gap: 8px;
    align-items: center;
    flex-shrink: 0;
    align-self: center;
}

@media (max-width: 520px) {
    .cm-img-lb-topbar-meta {
        flex: 1 1 100%;
    }
    .cm-img-lb-title {
        font-size: 14px;
        line-height: 1.35;
    }
    .cm-img-lb-caption {
        margin-top: 4px;
        font-size: 13px;
        line-height: 1.45;
        color: rgba(255, 255, 255, 0.78);
    }
    .cm-img-lb-actions {
        flex: 0 0 auto;
        margin-left: auto;
        align-self: flex-end;
    }
}

.cm-img-lb-btn-group {
    display: inline-flex;
    align-items: center;
    gap: 1px;
    padding: 2px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 9px;
}

.cm-img-lb-divider {
    width: 1px;
    height: 20px;
    background: rgba(255, 255, 255, 0.12);
    flex-shrink: 0;
}

.cm-img-lb-btn {
    appearance: none;
    border: none;
    background: transparent;
    color: rgba(255, 255, 255, 0.88);
    width: 36px;
    height: 36px;
    border-radius: 7px;
    cursor: pointer;
    font-family: inherit;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background 0.15s ease, color 0.15s ease, transform 0.1s ease;
}
.cm-img-lb-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}
.cm-img-lb-btn:active {
    background: rgba(255, 255, 255, 0.16);
    transform: scale(0.94);
}
.cm-img-lb-btn:focus-visible {
    outline: 2px solid rgba(10, 132, 255, 0.85);
    outline-offset: 1px;
}
.cm-img-lb-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
}

.cm-img-lb-btn--close:hover {
    color: #ff5f57;
    background: rgba(255, 95, 87, 0.14);
}
.cm-img-lb-btn--close:active {
    color: #ff3b30;
    background: rgba(255, 95, 87, 0.22);
}

.cm-img-lb-icon {
    display: block;
    flex-shrink: 0;
    pointer-events: none;
}

/* ── Stage ── */
.cm-img-lb-stage {
    flex: 1;
    min-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    overflow: auto;
    -webkit-overflow-scrolling: touch;
    background: rgba(0, 0, 0, 0.25);
    position: relative;
}
.cm-img-lb-img {
    object-fit: contain;
    flex-shrink: 0;
    transform-origin: center center;
    will-change: transform;
    border: 0;
    border-radius: 0;
    max-width: none;
    max-height: none;
    display: block;
    width: 100%;
    height: 100%;
}
.cm-img-lb-frame {
    position: relative;
    flex-shrink: 0;
    transform-origin: center center;
    will-change: transform;
}
.cm-img-lb-stamp {
    position: absolute;
    right: 2.5%;
    bottom: 2.5%;
    width: min(36%, 220px);
    z-index: 2;
    pointer-events: none;
    transform: none;
    filter: none;
}
.cm-img-lb-stamp__rot {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    transform: rotate(-12deg);
    transform-origin: 50% 70%;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,.35));
}
.cm-img-lb-stamp__mark {
    display: block;
    width: 100%;
    aspect-ratio: 1 / 1;
    line-height: 0;
}
.cm-img-lb-stamp img,
.cm-img-lb-stamp svg {
    display: block;
    width: 100%;
    height: auto;
    max-width: 100%;
}
.cm-img-lb-stamp--png .cm-img-lb-stamp__mark img,
.cm-img-lb-stamp--png img {
    mix-blend-mode: normal;
}
.cm-img-lb-stamp__time {
    display: block;
    margin-top: 4px;
    padding: 2px 6px;
    max-width: 130%;
    font-size: 12px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: 0.02em;
    color: #c41e3a;
    text-align: center;
    white-space: nowrap;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(196, 30, 58, 0.55);
    border-radius: 4px;
    box-shadow: none;
}
.cm-img-lb-img.cm-img-lb-img--gallery {
    cursor: pointer;
}

/* 列印 PDF：紙張選擇 */
.cm-img-lb-print-panel {
    position: absolute;
    inset: 0;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(2px);
}
.cm-img-lb-print-panel[hidden] { display: none !important; }
.cm-img-lb-print-dialog {
    width: min(420px, 100%);
    padding: 18px 18px 14px;
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,.12);
    background: #121826;
    box-shadow: 0 18px 48px rgba(0,0,0,.5);
    color: #e2e8f0;
}
.cm-img-lb-print-title {
    margin: 0 0 6px;
    font-size: 1rem;
    font-weight: 800;
    color: #f8fafc;
}
.cm-img-lb-print-lead {
    margin: 0 0 14px;
    font-size: .8rem;
    line-height: 1.45;
    color: #94a3b8;
}
.cm-img-lb-print-sizes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
.cm-img-lb-print-size {
    appearance: none;
    border: 1px solid #334155;
    border-radius: 12px;
    background: #0b1220;
    color: #e2e8f0;
    padding: 14px 12px;
    cursor: pointer;
    text-align: left;
    font: inherit;
    transition: border-color .15s ease, background .15s ease, transform .1s ease;
}
.cm-img-lb-print-size:hover {
    border-color: #60a5fa;
    background: #111827;
}
.cm-img-lb-print-size:active { transform: scale(0.98); }
.cm-img-lb-print-size strong {
    display: block;
    font-size: .95rem;
    margin-bottom: 4px;
}
.cm-img-lb-print-size span {
    font-size: .72rem;
    color: #94a3b8;
}
.cm-img-lb-print-status {
    margin: 12px 0 0;
    font-size: .78rem;
    color: #93c5fd;
}
.cm-img-lb-print-actions {
    margin-top: 12px;
    display: flex;
    justify-content: flex-end;
}
.cm-img-lb-print-cancel {
    appearance: none;
    border: 1px solid #475569;
    background: transparent;
    color: #cbd5e1;
    border-radius: 8px;
    min-height: 34px;
    padding: 0 14px;
    font: inherit;
    font-size: .8rem;
    cursor: pointer;
}
.cm-img-lb-print-cancel:hover {
    background: rgba(255,255,255,.06);
}

/* ── Nav arrows ── */
.cm-img-lb-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    appearance: none;
    border: none;
    background: rgba(28, 28, 30, 0.65);
    backdrop-filter: blur(16px) saturate(160%);
    -webkit-backdrop-filter: blur(16px) saturate(160%);
    color: rgba(255, 255, 255, 0.9);
    width: 40px;
    height: 48px;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: background 0.15s ease, transform 0.1s ease;
}
.cm-img-lb-nav:hover,
.cm-img-lb-nav:focus-visible {
    background: rgba(255, 255, 255, 0.12);
    outline: none;
}
.cm-img-lb-nav:active {
    transform: translateY(-50%) scale(0.94);
}
.cm-img-lb-nav--prev { left: 10px; }
.cm-img-lb-nav--next { right: 10px; }
.cm-img-lb-nav[hidden] { display: none !important; }

@media (max-width: 768px) {
    .cm-img-lb-nav {
        width: 48px;
        height: 56px;
        border-radius: 12px;
    }
    .cm-img-lb-nav--prev { left: 6px; }
    .cm-img-lb-nav--next { right: 6px; }
}

/* ── Thumbnails ── */
.cm-img-lb-thumbs {
    flex: 0 0 auto;
}
.cm-img-lb-thumbs[hidden] {
    display: none !important;
}
.cm-img-lb-thumb-strip {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
    padding: 6px 8px;
    background: rgba(28, 28, 30, 0.72);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
}
.cm-img-lb-thumb-strip::-webkit-scrollbar { height: 6px; }
.cm-img-lb-thumb-strip::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}
.cm-img-lb-thumb-btn {
    flex: 0 0 auto;
    padding: 0;
    border: 2px solid transparent;
    border-radius: 6px;
    background: none;
    cursor: pointer;
    opacity: 0.55;
    transition: opacity 0.15s, border-color 0.15s;
}
.cm-img-lb-thumb-btn:hover { opacity: 0.85; }
.cm-img-lb-thumb-btn.is-active {
    border-color: rgba(10, 132, 255, 0.85);
    opacity: 1;
}
.cm-img-lb-thumb-btn:focus-visible {
    outline: 2px solid rgba(10, 132, 255, 0.85);
    outline-offset: 2px;
}
.cm-img-lb-thumb-btn img {
    display: block;
    width: 56px;
    height: 56px;
    object-fit: cover;
    border-radius: 4px;
}

body.cm-img-lb-open {
    overflow: hidden;
}

/* 燈箱標題列：來源 PHP 檔名（極小字，全站共用） */
.ol-litebox-source-hint {
    font-size: 10px !important;
    line-height: 1.2 !important;
    font-weight: 400 !important;
    letter-spacing: 0.02em;
    font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
    color: rgba(255, 255, 255, 0.35);
    white-space: nowrap;
    user-select: none;
    vertical-align: baseline;
}

/* ── Light theme (optional) ── */
@media (prefers-color-scheme: light) {
    .cm-img-lb-overlay:not(.cm-img-lb--force-dark) .cm-img-lb-topbar,
    .cm-img-lb-overlay:not(.cm-img-lb--force-dark) .cm-img-lb-thumb-strip {
        background: rgba(255, 255, 255, 0.78);
        border-color: rgba(0, 0, 0, 0.08);
        color: rgba(0, 0, 0, 0.85);
    }
    .cm-img-lb-overlay:not(.cm-img-lb--force-dark) .cm-img-lb-title {
        color: rgba(0, 0, 0, 0.85);
    }
    .cm-img-lb-overlay:not(.cm-img-lb--force-dark) .cm-img-lb-caption {
        color: rgba(0, 0, 0, 0.55);
    }
    .cm-img-lb-overlay:not(.cm-img-lb--force-dark) .cm-img-lb-btn-group {
        background: rgba(0, 0, 0, 0.05);
    }
    .cm-img-lb-overlay:not(.cm-img-lb--force-dark) .cm-img-lb-btn {
        color: rgba(0, 0, 0, 0.75);
    }
    .cm-img-lb-overlay:not(.cm-img-lb--force-dark) .cm-img-lb-btn:hover {
        background: rgba(0, 0, 0, 0.07);
        color: rgba(0, 0, 0, 0.9);
    }
    .cm-img-lb-overlay:not(.cm-img-lb--force-dark) .cm-img-lb-btn:active {
        background: rgba(0, 0, 0, 0.12);
    }
    .cm-img-lb-overlay:not(.cm-img-lb--force-dark) .cm-img-lb-divider {
        background: rgba(0, 0, 0, 0.1);
    }
    .cm-img-lb-overlay:not(.cm-img-lb--force-dark) .cm-img-lb-nav {
        background: rgba(255, 255, 255, 0.78);
        color: rgba(0, 0, 0, 0.75);
    }
    .cm-img-lb-overlay:not(.cm-img-lb--force-dark) .cm-img-lb-nav:hover {
        background: rgba(0, 0, 0, 0.07);
    }
}