/* ═══ Ultra luxury image viewer / lightbox ═══ */

.premium-lightbox {
    position: fixed;
    inset: 0;
    z-index: 10050;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(0.75rem, 2vw, 1.5rem);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}
.premium-lightbox.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}
body.lightbox-open {
    overflow: hidden;
}

.premium-lightbox__backdrop {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 50% 40%, rgba(26, 47, 107, 0.35), transparent 70%),
        rgba(8, 14, 32, 0.94);
    backdrop-filter: blur(20px) saturate(1.2);
    -webkit-backdrop-filter: blur(20px) saturate(1.2);
}

.premium-lightbox__panel {
    position: relative;
    z-index: 2;
    width: min(96vw, 1180px);
    max-height: 94vh;
    display: flex;
    flex-direction: column;
    background: linear-gradient(
        165deg,
        rgba(255, 255, 255, 0.08) 0%,
        rgba(26, 47, 107, 0.25) 40%,
        rgba(12, 22, 52, 0.85) 100%
    );
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 28px;
    box-shadow:
        0 0 0 1px rgba(212, 168, 75, 0.12),
        0 32px 80px rgba(0, 0, 0, 0.55),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    overflow: hidden;
    transform: scale(0.96);
    transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}
.premium-lightbox.is-open .premium-lightbox__panel {
    transform: scale(1);
}

/* Toolbar */
.premium-lightbox__toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.25rem 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.premium-lightbox__toolbar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
    min-width: 0;
}
.premium-lightbox__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.55);
}
.premium-lightbox__eyebrow i {
    color: var(--saffron, #d4a84b);
    font-size: 0.95rem;
}
.premium-lightbox__counter {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.85rem;
    border-radius: 100px;
    background: rgba(212, 168, 75, 0.15);
    border: 1px solid rgba(212, 168, 75, 0.35);
    color: var(--saffron-light, #f0d48a);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    white-space: nowrap;
}
.premium-lightbox__close {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s, border-color 0.3s, transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.premium-lightbox__close:hover {
    background: var(--saffron, #d4a84b);
    border-color: var(--saffron, #d4a84b);
    color: var(--navy-dark, #0f1d45);
    transform: rotate(90deg) scale(1.05);
}

/* Main stage */
.premium-lightbox__stage {
    position: relative;
    flex: 1;
    min-height: min(58vh, 520px);
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 0.5rem 0.5rem;
}
.premium-lightbox__frame {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: min(52vh, 480px);
    padding: 0.5rem 0.25rem;
}
.premium-lightbox__frame::before {
    content: '';
    position: absolute;
    inset: 8% 6%;
    border-radius: 20px;
    background: radial-gradient(circle at 50% 30%, rgba(212, 168, 75, 0.08), transparent 65%);
    pointer-events: none;
}
.premium-lightbox__img {
    position: relative;
    z-index: 1;
    max-width: 100%;
    max-height: min(58vh, 500px);
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 16px;
    box-shadow:
        0 24px 60px rgba(0, 0, 0, 0.45),
        0 0 0 1px rgba(255, 255, 255, 0.06);
    will-change: transform, opacity;
}
.premium-lightbox__img.is-changing {
    opacity: 0;
    transform: scale(0.97);
}
.premium-lightbox__loader {
    position: absolute;
    z-index: 2;
    width: 44px;
    height: 44px;
    border: 2px solid rgba(255, 255, 255, 0.15);
    border-top-color: var(--saffron, #d4a84b);
    border-radius: 50%;
    animation: lbSpin 0.75s linear infinite;
    opacity: 0;
    transition: opacity 0.25s;
}
.premium-lightbox__loader.is-loading {
    opacity: 1;
}
@keyframes lbSpin {
    to { transform: rotate(360deg); }
}

/* Nav buttons — glass pills */
.premium-lightbox__nav {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
    color: #fff;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition:
        background 0.35s,
        border-color 0.35s,
        transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
        box-shadow 0.35s;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}
.premium-lightbox__nav:hover {
    background: linear-gradient(135deg, var(--saffron, #d4a84b), #c4922e);
    border-color: transparent;
    color: var(--navy-dark, #0f1d45);
    transform: scale(1.08);
    box-shadow: 0 12px 32px rgba(212, 168, 75, 0.35);
}
.premium-lightbox__nav[hidden] {
    display: none;
}

/* Progress bar */
.premium-lightbox__progress {
    height: 3px;
    margin: 0 1.25rem;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 3px;
    overflow: hidden;
}
.premium-lightbox__progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--saffron, #d4a84b), var(--saffron-light, #f0d48a));
    border-radius: 3px;
    transition: width 0.45s cubic-bezier(0.22, 1, 0.36, 1);
    box-shadow: 0 0 12px rgba(212, 168, 75, 0.5);
}

/* Footer caption */
.premium-lightbox__footer {
    padding: 1rem 1.5rem 0.75rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(8, 14, 32, 0.4);
}
.premium-lightbox__caption {
    margin: 0;
    color: #fff;
    font-family: var(--font-heading, Georgia, serif);
    font-weight: 600;
    font-size: clamp(1rem, 2vw, 1.2rem);
    letter-spacing: 0.02em;
    line-height: 1.4;
    text-align: center;
}

/* Thumbnail filmstrip */
.premium-lightbox__thumbs-wrap {
    padding: 0.75rem 1rem 1.15rem;
    background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.25));
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.premium-lightbox__thumbs-wrap[hidden] {
    display: none;
}
.premium-lightbox__thumbs {
    display: flex;
    gap: 0.65rem;
    justify-content: center;
    overflow-x: auto;
    padding: 0.25rem 0.5rem 0.35rem;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.premium-lightbox__thumbs::-webkit-scrollbar {
    display: none;
}
.premium-lightbox__thumb {
    flex: 0 0 72px;
    height: 72px;
    padding: 0;
    border: 2px solid rgba(255, 255, 255, 0.12);
    border-radius: 14px;
    overflow: hidden;
    opacity: 0.55;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.05);
    transition:
        opacity 0.35s,
        border-color 0.35s,
        transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
        box-shadow 0.35s;
}
.premium-lightbox__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.premium-lightbox__thumb:hover {
    opacity: 0.9;
    border-color: rgba(255, 255, 255, 0.35);
    transform: translateY(-3px);
}
.premium-lightbox__thumb.is-active {
    opacity: 1;
    border-color: var(--saffron, #d4a84b);
    box-shadow:
        0 0 0 1px rgba(212, 168, 75, 0.4),
        0 8px 24px rgba(212, 168, 75, 0.25);
    transform: translateY(-4px) scale(1.04);
}

@media (max-width: 767px) {
    .premium-lightbox__panel {
        border-radius: 20px;
        max-height: 96vh;
    }
    .premium-lightbox__stage {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr auto;
        min-height: 50vh;
        padding: 0.5rem;
    }
    .premium-lightbox__nav {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        z-index: 5;
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }
    .premium-lightbox__nav--prev { left: 8px; grid-column: unset; grid-row: unset; }
    .premium-lightbox__nav--next { right: 8px; left: auto; grid-column: unset; grid-row: unset; }
    .premium-lightbox__nav:hover {
        transform: translateY(-50%) scale(1.08);
    }
    .premium-lightbox__frame {
        grid-column: 1;
        grid-row: 1;
        min-height: 42vh;
    }
    .premium-lightbox__img {
        max-height: 42vh;
    }
    .premium-lightbox__thumb {
        flex: 0 0 58px;
        height: 58px;
        border-radius: 10px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .premium-lightbox__panel,
    .premium-lightbox__img,
    .premium-lightbox__progress-fill,
    .premium-lightbox__thumb {
        transition-duration: 0.01ms !important;
    }
    .premium-lightbox__loader {
        animation-duration: 0.01ms !important;
    }
}