/**
 * Modern Modal and Lightbox Styles
 * Enhanced design with smooth animations
 */

/* ==================== Product Modal ==================== */
.modal {
    z-index: var(--z-modal);
}

.modal-backdrop {
    background-color: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(5px);
    z-index: var(--z-modal-backdrop);
}

.modal-dialog {
    max-width: 1200px;
    margin: 1.75rem auto;
}

.modal-content {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
}

.modal-header {
    background: var(--theme-gradient);
    color: white;
    padding: var(--spacing-xl);
    border-bottom: none;
}

.modal-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0;
}

.btn-close {
    filter: brightness(0) invert(1);
    opacity: 1;
    transition: transform var(--transition-fast);
}

.btn-close:hover {
    transform: rotate(90deg) scale(1.1);
}

.modal-body {
    padding: var(--spacing-xl);
    color: var(--text-primary);
}

/* Tabs in Modal */
.nav-tabs {
    border-bottom: 2px solid var(--border-color);
    margin-bottom: var(--spacing-xl);
}

.nav-tabs .nav-link {
    color: var(--text-secondary);
    border: none;
    border-bottom: 3px solid transparent;
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: 600;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-tabs .nav-link:hover {
    color: var(--theme-primary);
    border-bottom-color: var(--theme-primary);
    background-color: transparent;
}

.nav-tabs .nav-link.active {
    color: var(--theme-primary);
    background-color: transparent;
    border-bottom-color: var(--theme-primary);
}

.nav-tabs .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--theme-primary);
    border-radius: 50%;
}

/* Screenshot Gallery in Modal */
.screenshot-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.screenshot-item {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 16 / 9;
    background: var(--bg-secondary);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.screenshot-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.7) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 1;
    pointer-events: none;
}

.screenshot-item::after {
    content: '🔍';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    font-size: 2.5rem;
    z-index: 2;
    transition: transform var(--transition-base);
    pointer-events: none;
}

.screenshot-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.screenshot-item:hover::before {
    opacity: 1;
}

.screenshot-item:hover::after {
    transform: translate(-50%, -50%) scale(1);
}

.screenshot-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.screenshot-item:hover img {
    transform: scale(1.05);
}

/* Video Preview */
.video-preview {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-lg);
}

/* Demo Info Box */
.demo-info-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.demo-info-box h6 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.demo-info-item {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-fast);
}

.demo-info-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

.demo-info-item i {
    color: var(--theme-primary);
    font-size: 1.25rem;
}

.credential {
    font-family: 'Courier New', monospace;
    background: var(--bg-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-weight: 600;
    color: var(--theme-primary);
}

.product-full-description {
    line-height: 1.8;
    color: var(--text-secondary);
    font-size: 1rem;
}

/* ==================== Lightbox ==================== */
.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.lightbox-overlay.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-image {
    max-width: 100%;
    max-height: 90vh;
    border-radius: var(--radius-xl);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    object-fit: contain;
    transform: scale(0.9);
    opacity: 0;
    transition: all var(--transition-base);
}

.lightbox-overlay.active .lightbox-image {
    transform: scale(1);
    opacity: 1;
}

/* Lightbox Controls */
.lightbox-close {
    position: fixed;
    top: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 10001;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg) scale(1.1);
}

.lightbox-nav {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    font-size: 1.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 10001;
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-50%) scale(1.1);
}

.lightbox-prev {
    left: 2rem;
}

.lightbox-next {
    right: 2rem;
}

/* Lightbox Counter */
.lightbox-counter {
    position: fixed;
    top: 2rem;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    color: white;
    font-weight: 600;
    font-size: 0.938rem;
    z-index: 10001;
}

/* Lightbox Thumbnails */
.lightbox-thumbnails {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    max-width: 90vw;
    overflow-x: auto;
    z-index: 10001;
}

.lightbox-thumbnails::-webkit-scrollbar {
    height: 4px;
}

.lightbox-thumbnails::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
}

.lightbox-thumbnails::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-sm);
}

.lightbox-thumbnail {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--radius-md);
    cursor: pointer;
    opacity: 0.5;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
}

.lightbox-thumbnail:hover {
    opacity: 0.8;
    transform: scale(1.05);
}

.lightbox-thumbnail.active {
    opacity: 1;
    border-color: white;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3);
}

/* Lightbox Loading */
.lightbox-loading {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ==================== Responsive ==================== */
@media (max-width: 768px) {
    .modal-dialog {
        max-width: 95%;
        margin: 0.5rem auto;
    }

    .screenshot-gallery {
        grid-template-columns: 1fr;
    }

    .lightbox-nav {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }

    .lightbox-prev {
        left: 1rem;
    }

    .lightbox-next {
        right: 1rem;
    }

    .lightbox-close {
        width: 40px;
        height: 40px;
        top: 1rem;
        right: 1rem;
        font-size: 1.25rem;
    }

    .lightbox-counter {
        top: 1rem;
    }

    .lightbox-thumbnails {
        bottom: 1rem;
        max-width: 95vw;
    }

    .lightbox-thumbnail {
        width: 60px;
        height: 45px;
    }
}