.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 15, 0.96);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox-content {
    position: relative;
    width: 90%;
    max-width: 960px;
    background: var(--secondary);
    padding: 1rem;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--glass-border);
    transform: scale(0.95);
    transition: transform 0.4s ease;
}

.lightbox.active .lightbox-content {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: -15px;
    right: -15px;
    width: 38px;
    height: 38px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--accent);
    color: var(--primary);
    border: none;
    border-radius: 50%;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.lightbox-close:hover {
    transform: scale(1.1) rotate(90deg);
    background: var(--accent-dark);
    box-shadow: 0 6px 15px rgba(0, 224, 255, 0.4);
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: var(--border-radius-md);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.notification {
    position: relative;
    min-width: 280px;
    max-width: 350px;
    margin-bottom: 1rem;
    padding: 1.1rem 1.5rem;
    border-radius: var(--border-radius-md);
    background: var(--secondary);
    color: var(--text-primary);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-left-width: 5px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transform: translateX(120%);
    opacity: 0;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.5s ease;
    overflow: hidden;
}

.notification.show {
    transform: translateX(0);
    opacity: 1;
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.notification i.fas {
    font-size: 1.2rem;
    line-height: 1;
}

.notification span {
    flex: 1;
}

.notification.success {
    border-left-color: var(--success);
}

.notification.error {
    border-left-color: var(--danger);
}

.notification.info {
    border-left-color: var(--info);
}

.notification.warning {
    border-left-color: var(--warning);
}

.light-theme .notification {
    color: var(--text-primary);
}

.modal-backdrop {
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
}

.modal-content {
    background-color: var(--secondary);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.modal-header {
    border-bottom: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.03);
}

.modal-title {
    color: var(--accent);
    font-family: 'Orbitron', sans-serif;
    font-size: 1.3rem;
}

.modal-footer {
    border-top: 1px solid var(--glass-border);
    background: rgba(10, 10, 15, 0.5);
    padding: 1rem;
}

.modal .btn-close {
    filter: invert(1) grayscale(100%) brightness(150%) opacity(0.8);
    transition: transform 0.3s ease;
}

.modal .btn-close:hover {
    filter: invert(1) grayscale(100%) brightness(200%) opacity(1);
    transform: rotate(90deg);
}

.light-theme .modal-content {
    background-color: #f9f9f9; /* Lighter background for light theme */
}
.light-theme .modal-header, .light-theme .modal-footer {
    background-color: var(--primary);
}

#settingsModal .nav-tabs {
    border-bottom: 1px solid var(--glass-border);
    padding: 0.5rem 1rem 0;
    background-color: rgba(20, 21, 27, 0.9); /* Slightly lighter background */
    color: var(--text-primary); /* Use primary text color for better contrast */
}

.light-theme #settingsModal .nav-tabs {
    background-color: var(--secondary);
    color: var(--text-primary);
}

#settingsModal .nav-tabs .nav-link {
    border: none;
    color: var(--text-secondary);
    border-bottom: 3px solid transparent;
    transition: var(--transition);
    padding: 0.8rem 1.2rem;
    font-weight: 500;
}

#settingsModal .nav-tabs .nav-link:hover {
    color: var(--text-primary);
    border-bottom-color: var(--glass-border);
}

#settingsModal .nav-tabs .nav-link.active {
    color: var(--accent);
    background-color: transparent;
    border-bottom-color: var(--accent);
    font-weight: 600;
}

#settingsModal .modal-body {
    max-height: 70vh;
    overflow-y: auto;
    padding: 1rem;
}

#settingsModal .tab-content label {
    font-weight: 500;
}

#settingsModal .tab-content p,
#settingsModal .tab-content .text-muted {
    color: var(--text-secondary);
}

#settingsModal .tab-content h5 {
    color: var(--text-primary);
}

#settingsModal .tab-content input[type="checkbox"] {
    margin-right: 0.6rem;
    transform: scale(1.1);
    accent-color: var(--accent);
}

#editor {
    height: 300px;
    width: 100%;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--glass-border);
    font-family: monospace;
}

#photo-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 15, 0.96);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2050;
    display: none;
    justify-content: center;
    align-items: center;
    opacity: 0;
}

#photo-lightbox.active {
    display: flex;
}

.photo-lightbox-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.photo-lightbox-img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    border-radius: var(--border-radius-sm);
}

.photo-lightbox-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.1);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    width: 50px;
    height: 70px;
    border-radius: var(--border-radius-sm);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}
.photo-lightbox-btn:hover {
    background: var(--accent);
    color: var(--primary);
    transform: translateY(-50%) scale(1.05);
}

#photo-lightbox-prev {
    left: 2vw;
}
#photo-lightbox-next {
    right: 2vw;
}

#photo-lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    width: 42px;
    height: 42px;
    top: 20px;
    right: 20px;
}

.photo-lightbox-caption {
    position: absolute;
    bottom: 2vh;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(10,10,15,0.8);
    color: var(--text-primary);
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius-md);
    font-size: 1rem;
    text-align: center;
    max-width: 70vw;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

#activityViewerModal .modal-body {
    max-height: 70vh;
    overflow-y: auto;
}

.session-card {
    display: flex;
    gap: 1.5rem;
    padding: 1.2rem;
    background-color: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    margin-bottom: 1rem;
    transition: var(--transition);
}

.session-card:hover {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: var(--accent);
}

.session-poster {
    width: 80px;
    height: 120px;
    object-fit: cover;
    border-radius: var(--border-radius-sm);
    flex-shrink: 0;
}

.session-info {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    gap: 1rem;
}

.session-details p {
    margin: 0 0 0.5rem 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.session-details strong {
    color: var(--text-primary);
    font-weight: 600;
}

.session-identifier {
    margin-top: auto;
}

.session-identifier label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

#settingsModal .modal-body::-webkit-scrollbar {
    width: 8px;
}

#settingsModal .modal-body::-webkit-scrollbar-track {
    background: var(--secondary);
}

#settingsModal .modal-body::-webkit-scrollbar-thumb {
    background-color: var(--accent-dark);
    border-radius: 4px;
}

#settingsModal .modal-body::-webkit-scrollbar-thumb:hover {
    background-color: var(--accent);
}

.light-theme #settingsModal .modal-body::-webkit-scrollbar-track {
    background: var(--primary);
}

.light-theme #settingsModal .modal-body::-webkit-scrollbar-thumb {
    background-color: #bdc3c7;
}

.light-theme #settingsModal .modal-body::-webkit-scrollbar-thumb:hover {
    background-color: #a3aab1;
}

.session-identifier .input-group .form-control {
    background-color: var(--primary) !important;
    font-family: monospace;
    font-size: 0.85rem;
}

#activity-results .empty-state {
    padding: 2rem;
    margin-top: 1rem;
}

#settingsModal .modal-body {
    max-height: 70vh;
    overflow-y: auto;
    padding: 1rem;
}