/* ============================================
   Technical Proof Gallery Styles
   ============================================ */

.gallery {
    padding: 4rem 0;
}

/* Gallery Tabs */
.gallery-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.gallery-tab {
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid var(--primary-color);
    color: var(--text-dark);
    padding: 1rem 2rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.gallery-tab:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
}

.gallery-tab.active {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.4);
}

.gallery-tab i {
    font-size: 1.2rem;
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.gallery-item {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.3);
}

.gallery-item-media {
    width: 100%;
    height: 250px;
    overflow: hidden;
    position: relative;
    background: #f0f0f0;
}

.gallery-item-media img,
.gallery-item-media video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-item-media img,
.gallery-item:hover .gallery-item-media video {
    transform: scale(1.05);
}

.gallery-item-category {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    z-index: 2;
}

.gallery-item-category.success {
    background: #10b981;
    color: white;
}

.gallery-item-category.process {
    background: #f59e0b;
    color: white;
}

.gallery-item-category.failure {
    background: #ef4444;
    color: white;
}

.gallery-item-info {
    padding: 1.5rem;
}

.gallery-item-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.gallery-item-description {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* Empty State */
.gallery-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    color: rgba(255, 255, 255, 0.7);
}

.gallery-empty i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.gallery-empty p {
    font-size: 1.2rem;
}

/* Lightbox */
.gallery-lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

.gallery-lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    position: relative;
}

.lightbox-content img,
.lightbox-content video {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
}

.lightbox-info {
    background: rgba(255, 255, 255, 0.95);
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 1rem;
    max-width: 600px;
}

.lightbox-info h3 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.lightbox-info p {
    color: var(--text-light);
    line-height: 1.6;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    color: var(--text-dark);
    font-size: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-close {
    top: 2rem;
    right: 2rem;
}

.lightbox-prev {
    left: 2rem;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

.lightbox-prev:hover,
.lightbox-next:hover {
    transform: translateY(-50%) scale(1.1);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .gallery {
        padding: 3rem 0;
    }

    .gallery-tabs {
        gap: 0.5rem;
    }

    .gallery-tab {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .gallery-item-media {
        height: 200px;
    }

    .lightbox-close {
        top: 1rem;
        right: 1rem;
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }

    .lightbox-prev,
    .lightbox-next {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }

    .lightbox-prev {
        left: 1rem;
    }

    .lightbox-next {
        right: 1rem;
    }
}

@media (max-width: 480px) {
    .gallery-tab {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }

    .gallery-tab i {
        font-size: 1rem;
    }
}