/* ==========================================================================
   Bilal Gallery — Frontend Styles
   Developer: Trellis Digital Marketing — https://trellis.pk/
   ========================================================================== */

:root {
    --bg-primary: #0b1120;
    --bg-card: #111827;
    --bg-card-hover: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --accent: #c9a84c;
    --accent-light: #e2c76a;
    --border: #1e293b;
    --radius: 12px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Wrapper ───────────────────────────────────────────────── */
.bilal-gallery-wrapper {
    max-width: 1320px;
    margin: 0 auto;
    padding: 40px 20px 20px;
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ── Category Filters ──────────────────────────────────────── */
.bilal-gallery-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 36px;
}

.bilal-filter-btn {
    appearance: none;
    border: 2px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.03em;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
}

.bilal-filter-btn:hover,
.bilal-filter-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #0b1120;
}

/* ── Grid ──────────────────────────────────────────────────── */
.bilal-gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* ── Card ──────────────────────────────────────────────────── */
.bilal-gallery-item {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.bilal-gallery-item.bilal-hidden {
    display: none;
}

.bilal-gallery-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.bilal-gallery-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

/* ── Image ─────────────────────────────────────────────────── */
.bilal-gallery-image-wrap {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    background: #0f172a;
}

.bilal-gallery-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    display: block;
}

.bilal-gallery-card:hover .bilal-gallery-image-wrap img {
    transform: scale(1.08);
}

/* Overlay */
.bilal-gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 60%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition);
}

.bilal-gallery-card:hover .bilal-gallery-overlay {
    opacity: 1;
}

.bilal-gallery-zoom {
    appearance: none;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: #fff;
    width: 54px;
    height: 54px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transform: scale(0.7);
    transition: var(--transition);
}

.bilal-gallery-card:hover .bilal-gallery-zoom {
    transform: scale(1);
}

.bilal-gallery-zoom:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #0b1120;
}

/* Photo count badge */
.bilal-gallery-count {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
}

/* ── Info section ──────────────────────────────────────────── */
.bilal-gallery-info {
    padding: 18px 20px 22px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.bilal-gallery-cats {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
}

.bilal-gallery-cat-badge {
    display: inline-block;
    background: rgba(201, 168, 76, 0.15);
    color: var(--accent-light);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 4px 12px;
    border-radius: 20px;
}

.bilal-gallery-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 6px;
    line-height: 1.35;
}

.bilal-gallery-caption {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.55;
    flex: 1;
}

.bilal-gallery-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
    font-size: 16px;
}

/* ── Developer Credit ──────────────────────────────────────── */
.bilal-gallery-credit {
    text-align: center;
    padding: 28px 0 10px;
    font-size: 13px;
    color: var(--text-secondary);
}

.bilal-gallery-credit a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.bilal-gallery-credit a:hover {
    text-decoration: underline;
}

/* ==========================================================================
   Lightbox
   ========================================================================== */
.bilal-lightbox {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: none;
    align-items: center;
    justify-content: center;
}

.bilal-lightbox[aria-hidden="false"] {
    display: flex;
}

.bilal-lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.bilal-lightbox-content {
    position: relative;
    max-width: 92vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 2;
    animation: bilalLBFadeIn 0.25s ease;
}

@keyframes bilalLBFadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to   { opacity: 1; transform: scale(1); }
}

.bilal-lightbox-img-wrap {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}

.bilal-lightbox-img-wrap img {
    max-width: 88vw;
    max-height: 78vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    display: block;
}

/* Spinner */
.bilal-lightbox-spinner {
    position: absolute;
    width: 36px;
    height: 36px;
    border: 3px solid rgba(255,255,255,0.15);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: bilalSpin 0.7s linear infinite;
    display: none;
}

.bilal-lightbox-spinner.active {
    display: block;
}

@keyframes bilalSpin {
    to { transform: rotate(360deg); }
}

/* Nav buttons */
.bilal-lightbox-close,
.bilal-lightbox-prev,
.bilal-lightbox-next {
    appearance: none;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: #fff;
    cursor: pointer;
    border-radius: 50%;
    transition: background 0.2s;
    position: absolute;
    z-index: 3;
}

.bilal-lightbox-close:hover,
.bilal-lightbox-prev:hover,
.bilal-lightbox-next:hover {
    background: rgba(255, 255, 255, 0.25);
}

.bilal-lightbox-close {
    top: -50px;
    right: 0;
    width: 40px;
    height: 40px;
    font-size: 26px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bilal-lightbox-prev,
.bilal-lightbox-next {
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    font-size: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bilal-lightbox-prev { left: -60px; }
.bilal-lightbox-next { right: -60px; }

.bilal-lightbox-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 14px 4px 0;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

#bilal-lightbox-title {
    font-weight: 600;
    color: #fff;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
    .bilal-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }
}

@media (max-width: 768px) {
    .bilal-gallery-wrapper {
        padding: 24px 14px 14px;
    }

    .bilal-gallery-filters {
        gap: 8px;
        margin-bottom: 24px;
    }

    .bilal-filter-btn {
        padding: 8px 16px;
        font-size: 12px;
    }

    .bilal-gallery-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .bilal-lightbox-prev { left: 8px; }
    .bilal-lightbox-next { right: 8px; }
    .bilal-lightbox-close { top: -44px; right: 0; }

    .bilal-lightbox-img-wrap img {
        max-width: 96vw;
        max-height: 70vh;
    }
}

@media (max-width: 480px) {
    .bilal-gallery-title {
        font-size: 15px;
    }
    .bilal-gallery-info {
        padding: 14px 16px 18px;
    }
}

/* ── Animation helpers ─────────────────────────────────────── */
.bilal-gallery-item {
    animation: bilalCardIn 0.5s ease both;
}

.bilal-gallery-item:nth-child(1)  { animation-delay: 0s; }
.bilal-gallery-item:nth-child(2)  { animation-delay: 0.06s; }
.bilal-gallery-item:nth-child(3)  { animation-delay: 0.12s; }
.bilal-gallery-item:nth-child(4)  { animation-delay: 0.18s; }
.bilal-gallery-item:nth-child(5)  { animation-delay: 0.24s; }
.bilal-gallery-item:nth-child(6)  { animation-delay: 0.30s; }
.bilal-gallery-item:nth-child(7)  { animation-delay: 0.36s; }
.bilal-gallery-item:nth-child(8)  { animation-delay: 0.42s; }
.bilal-gallery-item:nth-child(9)  { animation-delay: 0.48s; }
.bilal-gallery-item:nth-child(10) { animation-delay: 0.54s; }
.bilal-gallery-item:nth-child(11) { animation-delay: 0.60s; }
.bilal-gallery-item:nth-child(12) { animation-delay: 0.66s; }

@keyframes bilalCardIn {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Light theme override (auto-detect) ────────────────────── */
@media (prefers-color-scheme: light) {
    .bilal-gallery-wrapper {
        --bg-primary: #f8fafc;
        --bg-card: #ffffff;
        --bg-card-hover: #f1f5f9;
        --text-primary: #0f172a;
        --text-secondary: #64748b;
        --accent: #b8942f;
        --accent-light: #92750f;
        --border: #e2e8f0;
        --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    }

    .bilal-gallery-cat-badge {
        background: rgba(184, 148, 47, 0.12);
    }
}