/**
 * Pulsey ERP — System Tour Gallery & Lightbox Modal Styles
 * Author: Hai Technologies LLC (pulsey.haitechnologies.com)
 */

.filter-btn {
    background: #ffffff;
    color: #475569;
    border: 1px solid var(--border-strong);
    padding: 0.6rem 1.25rem;
    border-radius: 30px;
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-xs);
    font-family: inherit;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    color: #ffffff !important;
    border-color: var(--primary);
    box-shadow: 0 4px 15px var(--primary-glow);
}

.gallery-item {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.gallery-item.hidden {
    display: none !important;
}

/* Modal Lightbox */
.lightbox-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 100000;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(10px);
    padding: 2rem;
    align-items: center;
    justify-content: center;
}

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

.lightbox-content {
    max-width: 1200px;
    width: 100%;
    background: #ffffff;
    border: 1px solid var(--border-strong);
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-xl);
}