/* Cyberpunk Theme for CPSSD */

:root {
    --cyber-black: #0a0e27;
    --cyber-dark: #1a1d35;
    --cyber-green: #00ff9f;
    --cyber-cyan: #00b8ff;
    --cyber-blue: #001eff;
    --cyber-purple: #bd00ff;
    --cyber-magenta: #d600ff;
    --cyber-pink: #ff006e;
    --cyber-gray: #8892b0;
    --cyber-light-gray: #ccd6f6;
}

body {
    background-color: var(--cyber-black);
    color: var(--cyber-light-gray);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

h1, h2, h3 {
    font-family: 'Courier New', Courier, monospace;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Handouts Page */
.handouts-page {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--cyber-purple);
}

.page-header h1 {
    color: var(--cyber-cyan);
    font-size: 2.5rem;
    font-weight: 700;
    text-shadow: 0 0 10px var(--cyber-cyan);
    margin: 0;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--cyber-purple), var(--cyber-magenta));
    border: none;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px rgba(189, 0, 255, 0.5);
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, var(--cyber-cyan), var(--cyber-green));
    box-shadow: 0 0 25px var(--cyber-cyan), 0 0 40px var(--cyber-green);
}

.btn-info {
    background-color: var(--cyber-cyan);
    border: none;
    color: var(--cyber-black);
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px rgba(0, 184, 255, 0.5);
}

.btn-info:hover {
    transform: translateY(-2px);
    background-color: var(--cyber-green);
    box-shadow: 0 0 25px var(--cyber-cyan), 0 0 40px var(--cyber-green);
}

.btn-warning {
    background-color: #ffc107;
    border: none;
    color: var(--cyber-black);
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px rgba(255, 193, 7, 0.5);
}

.btn-warning:hover {
    transform: translateY(-2px);
    background-color: var(--cyber-green);
    box-shadow: 0 0 25px #ffc107, 0 0 40px var(--cyber-green);
}

.btn-danger {
    background: linear-gradient(135deg, #dc3545, #c82333);
    border: none;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px rgba(220, 53, 69, 0.5);
}

.btn-danger:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, #c82333, #bd2130);
    box-shadow: 0 0 25px rgba(220, 53, 69, 0.8);
}

.btn-secondary {
    background-color: var(--cyber-gray);
    border: none;
    color: var(--cyber-black);
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    background-color: var(--cyber-light-gray);
    box-shadow: 0 0 15px rgba(136, 146, 176, 0.5);
}

.btn-success {
    background-color: var(--cyber-green);
    border: none;
    color: var(--cyber-black);
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px rgba(0, 255, 159, 0.5);
}

.btn-success:hover {
    transform: translateY(-2px);
    background-color: var(--cyber-cyan);
    box-shadow: 0 0 25px var(--cyber-green), 0 0 40px var(--cyber-cyan);
}

/* Filters Section */
.filters-section {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: var(--cyber-dark);
    border: 1px solid var(--cyber-purple);
    border-radius: 8px;
    flex-wrap: wrap;
}

.search-box {
    flex: 1;
    min-width: 250px;
}

.search-box input {
    width: 100%;
    background-color: var(--cyber-black);
    border: 1px solid var(--cyber-cyan);
    color: var(--cyber-light-gray);
    padding: 0.75rem;
    border-radius: 4px;
}

.search-box input:focus {
    outline: none;
    border-color: var(--cyber-pink);
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.3);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-group label {
    color: var(--cyber-gray);
    font-weight: 500;
}

.form-select {
    background-color: var(--cyber-black);
    border: 1px solid var(--cyber-purple);
    color: var(--cyber-light-gray);
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

.form-select:focus {
    outline: none;
    border-color: var(--cyber-cyan);
    box-shadow: 0 0 10px rgba(107, 47, 181, 0.3);
}

.form-select option {
    background-color: var(--cyber-dark);
    color: var(--cyber-light-gray);
    padding: 0.5rem;
}

.form-select option:hover,
.form-select option:checked {
    background-color: var(--cyber-purple);
    color: white;
}

/* Handouts Grid */
.handouts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.handout-card {
    background: linear-gradient(135deg, var(--cyber-dark) 0%, var(--cyber-black) 100%);
    border: 1px solid var(--cyber-purple);
    border-radius: 8px;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.handout-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent, rgba(0, 217, 255, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.handout-card:hover {
    transform: translateY(-5px);
    border-color: var(--cyber-cyan);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.3);
}

.handout-card:hover::before {
    opacity: 1;
}

.handout-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
}

.handout-header h3 {
    color: var(--cyber-cyan);
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.bg-danger {
    background-color: var(--cyber-pink) !important;
}

.handout-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.category-badge {
    background-color: var(--cyber-purple);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-weight: 500;
}

.date {
    color: var(--cyber-gray);
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background-color: var(--cyber-dark);
    border: 1px solid var(--cyber-green);
    color: var(--cyber-green);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

.tag-more {
    color: var(--cyber-gray);
    font-size: 0.75rem;
}

.no-results {
    text-align: center;
    color: var(--cyber-gray);
    font-size: 1.25rem;
    padding: 3rem;
    grid-column: 1 / -1;
}

/* Form Controls */
input[type="checkbox"] {
    accent-color: var(--cyber-cyan);
}

/* Navigation Menu */
.navbar-brand {
    color: var(--cyber-green) !important;
    font-weight: 700;
    font-size: 1.8rem;
    font-family: 'Courier New', Courier, monospace;
    letter-spacing: 0.15em;
    text-shadow: 0 0 15px var(--cyber-green), 0 0 25px var(--cyber-cyan);
    text-transform: uppercase;
}

.nav-link {
    color: var(--cyber-light-gray) !important;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-link .rz-icon {
    font-size: 1.2em;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--cyber-cyan) !important;
    text-shadow: 0 0 8px var(--cyber-cyan);
}

.nav-link:hover .rz-icon {
    opacity: 1;
    transform: scale(1.1);
    filter: drop-shadow(0 0 5px var(--cyber-cyan));
}

.nav-link.active {
    color: var(--cyber-black) !important;
    background-color: var(--cyber-light-gray);
    border-left: 3px solid var(--cyber-purple);
    font-weight: 600;
}

.nav-link.active .rz-icon {
    opacity: 1;
    color: var(--cyber-purple);
}

/* Handout Create/Edit Page */
.handout-edit-page {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.handout-form {
    background-color: var(--cyber-dark);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--cyber-purple);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    color: var(--cyber-cyan);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.checkbox-label {
    margin-left: 0.5rem;
    color: var(--cyber-light-gray);
}

.form-help {
    font-size: 0.875rem;
    color: var(--cyber-gray);
    margin-top: 0.25rem;
}

.tags-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.error-message {
    background-color: rgba(255, 0, 110, 0.1);
    border: 1px solid var(--cyber-pink);
    color: var(--cyber-pink);
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.success-message {
    background-color: rgba(0, 255, 159, 0.1);
    border: 1px solid var(--cyber-green);
    color: var(--cyber-green);
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

/* Override Radzen styles for cyberpunk theme */
.rz-textbox,
.rz-dropdown,
.rz-html-editor {
    background-color: var(--cyber-black) !important;
    border-color: var(--cyber-cyan) !important;
    color: var(--cyber-light-gray) !important;
}

.rz-textbox:focus,
.rz-dropdown:focus {
    border-color: var(--cyber-pink) !important;
    box-shadow: 0 0 10px rgba(255, 0, 110, 0.3) !important;
}

/* Radzen Dropdown Panel - dark theme */
.rz-dropdown-panel,
.rz-popup {
    background-color: var(--cyber-dark) !important;
    border: 1px solid var(--cyber-purple) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 15px rgba(189, 0, 255, 0.2) !important;
}

.rz-dropdown-item,
.rz-multiselect-item {
    color: var(--cyber-light-gray) !important;
    background-color: transparent !important;
}

.rz-dropdown-item:hover,
.rz-multiselect-item:hover,
.rz-state-highlight {
    background-color: var(--cyber-purple) !important;
    color: white !important;
}

.rz-dropdown-item.rz-state-highlight,
.rz-multiselect-item.rz-state-highlight {
    background-color: var(--cyber-cyan) !important;
    color: var(--cyber-black) !important;
}

.rz-dropdown-filter-container {
    background-color: var(--cyber-black) !important;
    border-bottom: 1px solid var(--cyber-purple) !important;
}

.rz-dropdown-filter {
    background-color: var(--cyber-black) !important;
    color: var(--cyber-light-gray) !important;
    border-color: var(--cyber-cyan) !important;
}

.rz-dropdown-list,
.rz-listbox-list {
    background-color: var(--cyber-dark) !important;
}

.rz-chipsitem {
    background-color: var(--cyber-purple) !important;
    color: white !important;
    border: none !important;
}

.rz-chipsitem .rz-chip-remove-icon {
    color: white !important;
}

.rz-chipsitem:hover {
    background-color: var(--cyber-pink) !important;
}

/* Radzen Multiselect */
.rz-multiselect {
    background-color: var(--cyber-black) !important;
    border-color: var(--cyber-cyan) !important;
    color: var(--cyber-light-gray) !important;
}

.rz-multiselect-chip {
    background-color: var(--cyber-purple) !important;
    color: white !important;
}

/* Radzen HTML Editor - better contrast */
.rz-html-editor-content {
    background-color: white !important;
    color: #000 !important;
}

.rz-html-editor-toolbar {
    background-color: var(--cyber-dark) !important;
    border-bottom: 1px solid var(--cyber-cyan) !important;
}

.rz-html-editor-toolbar .rz-button {
    color: var(--cyber-light-gray) !important;
    background-color: transparent !important;
    border: 1px solid transparent !important;
    box-shadow: none !important;
}

.rz-html-editor-toolbar .rz-button:hover {
    background-color: var(--cyber-black) !important;
    border-color: var(--cyber-cyan) !important;
}

.rz-html-editor-toolbar .rz-button.rz-state-active {
    background-color: var(--cyber-purple) !important;
    border-color: var(--cyber-pink) !important;
}

.rz-html-editor .rz-dropdown-panel {
    background-color: white !important;
    color: #000 !important;
}

.rz-html-editor .rz-dropdown-item {
    color: #000 !important;
}

.rz-html-editor .rz-dropdown-item:hover {
    background-color: #f0f0f0 !important;
}

.rz-button {
    background: linear-gradient(135deg, var(--cyber-purple), var(--cyber-pink)) !important;
    border: none !important;
    color: white !important;
    font-weight: 600 !important;
    box-shadow: 0 0 15px rgba(107, 47, 181, 0.5) !important;
}

.rz-button:hover {
    box-shadow: 0 0 25px rgba(255, 0, 110, 0.7) !important;
}

.rz-button-light {
    background: var(--cyber-dark) !important;
    border: 1px solid var(--cyber-gray) !important;
    color: var(--cyber-light-gray) !important;
}

/* Admin Pages */
.admin-page {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.users-list {
    background-color: var(--cyber-dark);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--cyber-purple);
    margin-bottom: 2rem;
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    background-color: var(--cyber-dark) !important;
}

.table thead {
    background-color: var(--cyber-black) !important;
}

.table thead tr {
    background-color: var(--cyber-black) !important;
}

.table th {
    color: var(--cyber-cyan) !important;
    padding: 1rem;
    text-align: left;
    border-bottom: 2px solid var(--cyber-purple);
    font-weight: 600;
    background-color: var(--cyber-black) !important;
}

.table tbody tr {
    background-color: rgba(26, 29, 53, 0.6) !important;
    transition: all 0.3s ease;
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid rgba(189, 0, 255, 0.2);
    color: var(--cyber-light-gray) !important;
    background-color: transparent !important;
}

.table tbody tr:hover {
    background-color: rgba(0, 184, 255, 0.15) !important;
}

.table tbody tr:hover td:first-child {
    border-left: 3px solid var(--cyber-cyan);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
    margin-right: 0.5rem;
}

.btn-secondary {
    background: var(--cyber-dark);
    border: 1px solid var(--cyber-gray);
    color: var(--cyber-light-gray);
}

.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.alert-success {
    background-color: rgba(0, 255, 159, 0.1);
    border: 1px solid var(--cyber-green);
    color: var(--cyber-green);
}

.alert-danger {
    background-color: rgba(255, 0, 110, 0.1);
    border: 1px solid var(--cyber-pink);
    color: var(--cyber-pink);
}

.info-box {
    background-color: var(--cyber-dark);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--cyber-cyan);
}

.info-box h3 {
    color: var(--cyber-cyan);
    margin-bottom: 1rem;
}

.info-box ul {
    color: var(--cyber-light-gray);
    margin-bottom: 1rem;
}

.text-muted {
    color: var(--cyber-gray);
}

/* Handout Details Page */
.handout-details-page {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.handout-details-page .handout-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--cyber-purple);
}

.handout-details-page .header-content h1 {
    color: var(--cyber-cyan);
    font-size: 2.5rem;
    font-weight: 700;
    text-shadow: 0 0 10px var(--cyber-cyan);
    margin: 0 0 1rem 0;
}

.handout-details-page .header-meta {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.handout-details-page .header-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.handout-details-page .tags-section {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.handout-details-page .handout-content {
    background-color: var(--cyber-dark);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--cyber-purple);
    margin-bottom: 2rem;
    line-height: 1.8;
    color: var(--cyber-light-gray);
}

.handout-details-page .handout-content h1,
.handout-details-page .handout-content h2,
.handout-details-page .handout-content h3 {
    color: var(--cyber-cyan);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.handout-details-page .handout-content a {
    color: var(--cyber-pink);
    text-decoration: underline;
}

.handout-details-page .handout-content a:hover {
    color: var(--cyber-cyan);
}

.handout-details-page .handout-footer {
    background-color: var(--cyber-dark);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--cyber-gray);
    margin-top: 2rem;
}

.handout-details-page .footer-info {
    color: var(--cyber-gray);
    font-size: 0.875rem;
}

.handout-details-page .footer-info strong {
    color: var(--cyber-light-gray);
}

.btn-danger {
    background: linear-gradient(135deg, #c70000, var(--cyber-pink));
    border: none;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px rgba(199, 0, 0, 0.5);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(255, 0, 110, 0.7);
}

/* Modal */
.modal-backdrop.show {
    opacity: 0.8;
    background-color: var(--cyber-black);
}

.modal.show {
    display: flex !important;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--cyber-dark);
    border: 2px solid var(--cyber-purple);
    border-radius: 8px;
    color: var(--cyber-light-gray);
}

.modal-header {
    border-bottom: 1px solid var(--cyber-purple);
    padding: 1.5rem;
}

.modal-title {
    color: var(--cyber-cyan);
    font-weight: 700;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--cyber-purple);
    padding: 1rem 1.5rem;
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}

.text-danger {
    color: var(--cyber-pink) !important;
}

/* Mind Map Page */
.mindmap-page {
    padding: 2rem;
    max-width: 1800px;
    margin: 0 auto;
}

.mindmap-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: var(--cyber-dark);
    border: 1px solid var(--cyber-purple);
    border-radius: 8px;
}

.stats {
    display: flex;
    gap: 2rem;
}

.stat-item {
    color: var(--cyber-light-gray);
    font-size: 1.1rem;
}

.stat-item strong {
    color: var(--cyber-cyan);
    font-size: 1.5rem;
    margin-right: 0.5rem;
}

#mindmap-container {
    width: 100%;
    height: 700px;
    background-color: var(--cyber-black);
    border: 2px solid var(--cyber-purple);
    border-radius: 8px;
    box-shadow: 0 0 30px rgba(107, 47, 181, 0.3);
    margin-bottom: 2rem;
}

.mindmap-legend {
    background-color: var(--cyber-dark);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--cyber-cyan);
}

.mindmap-legend h4 {
    color: var(--cyber-cyan);
    margin-bottom: 1rem;
}

.legend-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--cyber-light-gray);
}

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--cyber-light-gray);
}

.no-data {
    text-align: center;
    padding: 4rem 2rem;
    background-color: var(--cyber-dark);
    border: 1px solid var(--cyber-purple);
    border-radius: 8px;
    color: var(--cyber-gray);
    font-size: 1.2rem;
}

/* Navigation Menu */
.nav-scrollable {
    height: calc(100vh - 3.5rem);
    overflow-y: auto;
}

.nav-scrollable nav {
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.nav-spacer {
    flex-grow: 1;
}

/* Templates Page */
.templates-page {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.template-card {
    background-color: var(--cyber-dark);
    border: 1px solid var(--cyber-purple);
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.template-card:hover {
    border-color: var(--cyber-cyan);
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.3);
    transform: translateY(-2px);
}

.template-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
}

.template-header h3 {
    color: var(--cyber-cyan);
    font-size: 1.3rem;
    margin: 0;
}

.template-description {
    color: var(--cyber-light-gray);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.template-meta {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1rem;
    color: var(--cyber-gray);
    font-size: 0.875rem;
}

.template-date {
    color: var(--cyber-gray);
}

.template-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}

/* Template Edit Page */
.template-edit-page {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.template-form {
    background-color: var(--cyber-dark);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--cyber-purple);
}

/* Share Link Functionality */
.share-link-panel {
    margin: 2rem 0;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(107, 47, 181, 0.1) 0%, rgba(0, 217, 255, 0.1) 100%);
    border: 1px solid var(--cyber-purple);
    border-radius: 8px;
}

.share-link-panel h3 {
    color: var(--cyber-cyan);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.share-link-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.share-url-container {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.share-url-container input {
    flex: 1;
    background-color: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--cyber-cyan);
    color: var(--cyber-cyan);
    padding: 0.75rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
}

.share-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    padding: 1rem;
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: 4px;
    border: 1px solid rgba(0, 217, 255, 0.3);
}

.share-stats p {
    margin: 0;
    color: var(--text-color);
}

.share-stats strong {
    color: var(--cyber-cyan);
}

.share-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}

/* Shared Handout View Page */
.shared-handout-page {
    padding: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.shared-handout-header {
    margin-bottom: 2rem;
    text-align: center;
}

.shared-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(90deg, var(--cyber-purple), var(--cyber-cyan));
    color: var(--text-color);
    border-radius: 20px;
    font-weight: bold;
    margin-bottom: 1rem;
    animation: glow 2s ease-in-out infinite alternate;
}

.shared-badge .oi {
    margin-right: 0.5rem;
}

.shared-handout-content {
    background-color: var(--cyber-dark);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--cyber-purple);
    margin-bottom: 2rem;
}

.shared-handout-footer {
    text-align: center;
    padding: 1rem;
    border-top: 1px solid rgba(0, 217, 255, 0.3);
}

.error-container {
    text-align: center;
    padding: 4rem 2rem;
}

.error-icon {
    font-size: 4rem;
    color: var(--cyber-pink);
    margin-bottom: 1rem;
}

.error-container h2 {
    color: var(--cyber-pink);
    margin-bottom: 1rem;
}

.error-container p {
    color: var(--text-secondary);
}

@keyframes glow {
    from {
        box-shadow: 0 0 10px rgba(0, 217, 255, 0.5);
    }
    to {
        box-shadow: 0 0 20px rgba(107, 47, 181, 0.8);
    }
}

/* Version History Page */
.version-history-page {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.handout-title {
    color: var(--cyber-cyan);
    font-size: 1.5rem;
    margin-top: 0.5rem;
}

.no-versions {
    text-align: center;
    padding: 4rem 2rem;
    background-color: var(--cyber-dark);
    border-radius: 8px;
    border: 1px solid var(--cyber-purple);
}

.no-versions p {
    margin-bottom: 1rem;
}

.versions-timeline {
    position: relative;
    padding: 2rem 0;
}

.current-version,
.version-item {
    position: relative;
    margin-bottom: 2rem;
    padding-left: 3rem;
}

.current-version::before,
.version-item::before {
    content: '';
    position: absolute;
    left: 0.75rem;
    top: 3rem;
    bottom: -2rem;
    width: 2px;
    background: linear-gradient(180deg, var(--cyber-cyan), var(--cyber-purple));
}

.version-item:last-child::before {
    display: none;
}

.version-badge {
    position: absolute;
    left: 0;
    top: 0;
    width: 2.5rem;
    height: 2.5rem;
    background: linear-gradient(135deg, var(--cyber-purple), var(--cyber-cyan));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.75rem;
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.5);
    z-index: 1;
}

.version-badge.current {
    width: auto;
    height: auto;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

.version-card {
    background-color: var(--cyber-dark);
    border: 1px solid var(--cyber-purple);
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.version-card.current {
    border-color: var(--cyber-cyan);
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.3);
}

.version-card:hover {
    border-color: var(--cyber-cyan);
    box-shadow: 0 0 15px rgba(0, 217, 255, 0.2);
}

.version-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(0, 217, 255, 0.2);
}

.version-info h3 {
    margin: 0 0 0.5rem 0;
    color: var(--cyber-cyan);
}

.version-meta {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.version-date {
    text-align: right;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.version-date strong {
    color: var(--text-color);
}

.version-content {
    margin: 1.5rem 0;
    padding: 1.5rem;
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: 4px;
    border: 1px solid rgba(107, 47, 181, 0.3);
    max-height: 500px;
    overflow-y: auto;
}

.version-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    padding-top: 1rem;
    border-top: 1px solid rgba(0, 217, 255, 0.1);
}

/* Version Comparison Page */
.version-compare-page {
    padding: 2rem;
    max-width: 1800px;
    margin: 0 auto;
}

.comparison-container {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2rem;
    margin: 2rem 0;
}

.version-column {
    background-color: var(--cyber-dark);
    border-radius: 8px;
    padding: 1.5rem;
}

.version-column.current {
    border: 2px solid var(--cyber-cyan);
}

.version-column.old {
    border: 2px solid var(--cyber-purple);
}

.version-header-compare {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid rgba(0, 217, 255, 0.3);
}

.version-header-compare h3 {
    color: var(--cyber-cyan);
    margin-bottom: 1rem;
}

.version-column.old .version-header-compare h3 {
    color: var(--cyber-purple);
}

.version-info-compare p {
    margin: 0.5rem 0;
    font-size: 0.9rem;
}

.version-info-compare strong {
    color: var(--cyber-cyan);
}

.version-content-compare {
    margin-top: 1.5rem;
}

.version-content-compare h4 {
    color: var(--cyber-cyan);
    margin-bottom: 1rem;
}

.version-content-compare > *:not(h4) {
    background-color: rgba(0, 0, 0, 0.3);
    padding: 1.5rem;
    border-radius: 4px;
    border: 1px solid rgba(107, 47, 181, 0.3);
    max-height: 600px;
    overflow-y: auto;
}

.version-divider {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.divider-line {
    width: 2px;
    flex: 1;
    background: linear-gradient(180deg, var(--cyber-cyan), var(--cyber-purple));
}

.divider-icon {
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, var(--cyber-purple), var(--cyber-cyan));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.5);
}

.comparison-summary {
    background-color: var(--cyber-dark);
    border: 1px solid var(--cyber-purple);
    border-radius: 8px;
    padding: 1.5rem;
    margin-top: 2rem;
}

.comparison-summary h3 {
    color: var(--cyber-cyan);
    margin-bottom: 1rem;
}

.comparison-summary ul {
    list-style: none;
    padding: 0;
}

.change-item {
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(90deg, rgba(107, 47, 181, 0.1), rgba(0, 217, 255, 0.1));
    border-left: 3px solid var(--cyber-cyan);
    border-radius: 4px;
}

.change-item .oi {
    margin-right: 0.5rem;
    color: var(--cyber-cyan);
}

.no-change {
    padding: 0.75rem;
    color: var(--text-secondary);
    font-style: italic;
}

.no-change .oi {
    margin-right: 0.5rem;
}

.version-preview {
    margin-top: 1rem;
    padding: 1rem;
    background-color: rgba(0, 217, 255, 0.05);
    border-radius: 4px;
    border: 1px solid var(--cyber-cyan);
}

/* Responsive adjustments */
@media (max-width: 1200px) {
    .comparison-container {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .version-divider {
        flex-direction: row;
        height: auto;
    }

    .divider-line {
        flex: 1;
        width: auto;
        height: 2px;
    }
}

/* Comment Section */
.comment-section {
    margin-top: 2rem;
    padding: 2rem;
    background-color: var(--cyber-dark);
    border: 1px solid var(--cyber-purple);
    border-radius: 8px;
}

.comment-section h3 {
    color: var(--cyber-cyan);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 0 0 5px var(--cyber-cyan);
}

.comment-section h4 {
    color: var(--cyber-light-gray);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.comments-list {
    margin-bottom: 2rem;
}

.comment-item {
    background-color: rgba(26, 29, 53, 0.5);
    border-left: 3px solid var(--cyber-purple);
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.comment-item:hover {
    background-color: rgba(26, 29, 53, 0.8);
    border-left-color: var(--cyber-pink);
}

.comment-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.comment-header strong {
    color: var(--cyber-cyan);
    font-size: 0.95rem;
}

.comment-date {
    color: var(--cyber-gray);
    font-size: 0.85rem;
}

.comment-edited {
    color: var(--cyber-gray);
    font-size: 0.8rem;
    font-style: italic;
}

.comment-content {
    color: var(--cyber-light-gray);
    margin: 0.75rem 0;
    line-height: 1.6;
    white-space: pre-wrap;
}

.comment-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.comment-edit-form {
    margin-top: 0.5rem;
}

.no-comments {
    color: var(--cyber-gray);
    font-style: italic;
    text-align: center;
    padding: 2rem;
    background-color: rgba(26, 29, 53, 0.3);
    border-radius: 4px;
    margin-bottom: 2rem;
}

.add-comment {
    padding-top: 1.5rem;
    border-top: 1px solid rgba(107, 47, 181, 0.3);
}

.add-comment textarea,
.comment-edit-form textarea {
    background-color: rgba(10, 14, 39, 0.5) !important;
    border: 1px solid var(--cyber-purple) !important;
    color: var(--cyber-light-gray) !important;
    width: 100%;
    resize: vertical;
    padding: 0.75rem;
    border-radius: 4px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.add-comment textarea:focus,
.comment-edit-form textarea:focus {
    outline: none !important;
    background-color: rgba(10, 14, 39, 0.8) !important;
    border-color: var(--cyber-cyan) !important;
    box-shadow: 0 0 5px var(--cyber-cyan) !important;
    color: var(--cyber-light-gray) !important;
}

.add-comment textarea::placeholder {
    color: var(--cyber-gray) !important;
    opacity: 0.7;
}

.btn-outline-primary {
    background-color: transparent;
    border: 1px solid var(--cyber-purple);
    color: var(--cyber-purple);
    padding: 0.375rem 0.75rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background-color: var(--cyber-purple);
    color: white;
    box-shadow: 0 0 10px var(--cyber-purple);
}

.btn-outline-danger {
    background-color: transparent;
    border: 1px solid var(--cyber-pink);
    color: var(--cyber-pink);
    padding: 0.375rem 0.75rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-outline-danger:hover {
    background-color: var(--cyber-pink);
    color: white;
    box-shadow: 0 0 10px var(--cyber-pink);
}

/* Loading Container */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    gap: 1rem;
    color: var(--cyber-cyan);
}

.loading-container p {
    font-size: 1.1rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Pagination */
.pagination-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--cyber-purple);
}

.pagination {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 0.25rem;
}

.page-item {
    margin: 0;
}

.page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
    height: 2.5rem;
    padding: 0 0.75rem;
    background-color: var(--cyber-dark);
    border: 1px solid var(--cyber-purple);
    color: var(--cyber-cyan);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    cursor: pointer;
}

.page-link:hover {
    background-color: var(--cyber-purple);
    border-color: var(--cyber-pink);
    color: white;
    box-shadow: 0 0 8px var(--cyber-purple);
}

.page-item.active .page-link {
    background-color: var(--cyber-cyan);
    border-color: var(--cyber-cyan);
    color: var(--cyber-black);
    font-weight: 700;
    box-shadow: 0 0 10px var(--cyber-cyan);
}

.page-item.disabled .page-link {
    background-color: var(--cyber-black);
    border-color: var(--cyber-gray);
    color: var(--cyber-gray);
    cursor: not-allowed;
    opacity: 0.5;
}

.page-item.disabled .page-link:hover {
    background-color: var(--cyber-black);
    box-shadow: none;
}

.pagination-info {
    color: var(--cyber-gray);
    font-size: 0.9rem;
}

.pagination-info span {
    color: var(--cyber-cyan);
}

/* Bulk Operations Styles */
.header-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.bulk-actions-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, rgba(189, 0, 255, 0.15) 0%, rgba(0, 184, 255, 0.15) 100%);
    border: 1px solid var(--cyber-purple);
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(189, 0, 255, 0.2);
}

.selection-count {
    color: var(--cyber-cyan);
    font-weight: 600;
    font-size: 1.1rem;
    text-shadow: 0 0 5px var(--cyber-cyan);
}

.bulk-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.select-all-row {
    grid-column: 1 / -1;
    padding: 1rem;
    margin-bottom: 0.5rem;
    background-color: rgba(26, 29, 53, 0.8);
    border: 1px solid var(--cyber-purple);
    border-radius: 8px;
}

.checkbox-container {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.checkbox-container input[type="checkbox"] {
    width: 1.2rem;
    height: 1.2rem;
    margin-right: 0.75rem;
    accent-color: var(--cyber-cyan);
}

.handout-card.selected {
    border-color: var(--cyber-cyan);
    background: linear-gradient(135deg, rgba(0, 184, 255, 0.1) 0%, var(--cyber-dark) 100%);
    box-shadow: 0 0 20px rgba(0, 184, 255, 0.3), inset 0 0 10px rgba(0, 184, 255, 0.1);
}

.handout-card.selected::before {
    opacity: 1;
    background: linear-gradient(135deg, transparent, rgba(0, 184, 255, 0.1));
}

.selection-checkbox {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    z-index: 2;
}

.selection-checkbox input[type="checkbox"] {
    width: 1.5rem;
    height: 1.5rem;
    accent-color: var(--cyber-cyan);
    cursor: pointer;
}

/* Import/Export Page Styles */
.import-export-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.section-card {
    background-color: var(--cyber-dark);
    border: 1px solid var(--cyber-purple);
    border-radius: 8px;
    padding: 2rem;
}

.section-card h2 {
    color: var(--cyber-cyan);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.section-card h2 .oi {
    font-size: 1.25rem;
}

.section-card.success {
    border-color: var(--cyber-green);
}

.section-card.success h2 {
    color: var(--cyber-green);
}

.section-card.error {
    border-color: var(--cyber-pink);
}

.section-card.error h2 {
    color: var(--cyber-pink);
}

.section-description {
    color: var(--cyber-gray);
    margin-bottom: 1.5rem;
}

.export-options,
.import-options {
    margin-bottom: 1.5rem;
}

.export-options .form-group,
.import-options .form-group {
    margin-bottom: 0.75rem;
}

.export-options label,
.import-options label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--cyber-light-gray);
    cursor: pointer;
}

.export-stats,
.import-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: 4px;
    border: 1px solid rgba(0, 184, 255, 0.2);
}

.export-stats p,
.import-stats p {
    margin: 0;
    color: var(--cyber-light-gray);
}

.export-stats strong,
.import-stats strong {
    color: var(--cyber-cyan);
}

.file-upload-area {
    position: relative;
    border: 2px dashed var(--cyber-purple);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    background-color: rgba(0, 0, 0, 0.3);
}

.file-upload-area:hover {
    border-color: var(--cyber-cyan);
    background-color: rgba(0, 184, 255, 0.05);
}

.file-upload-area.drag-over {
    border-color: var(--cyber-cyan);
    background-color: rgba(0, 184, 255, 0.1);
    box-shadow: 0 0 20px rgba(0, 184, 255, 0.3);
}

.file-upload-area input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.upload-placeholder {
    color: var(--cyber-gray);
}

.upload-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
    color: var(--cyber-purple);
}

.selected-file {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    color: var(--cyber-cyan);
}

.selected-file .oi-file {
    font-size: 1.5rem;
}

.warnings-list,
.errors-list {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 4px;
}

.warnings-list {
    background-color: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.5);
}

.warnings-list h4 {
    color: #ffc107;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.warnings-list ul {
    margin: 0;
    padding-left: 1.5rem;
    color: #ffc107;
}

.errors-list {
    background-color: rgba(255, 0, 110, 0.1);
    border: 1px solid rgba(255, 0, 110, 0.5);
}

.errors-list h4 {
    color: var(--cyber-pink);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.errors-list ul {
    margin: 0;
    padding-left: 1.5rem;
    color: var(--cyber-pink);
}

/* Comment Threading Styles */
.comment-reply {
    border-left: 2px solid var(--cyber-purple);
    margin-top: 0.75rem;
    padding-left: 1rem !important;
    background-color: rgba(26, 29, 53, 0.3);
}

.comment-replies {
    margin-top: 0.5rem;
}

.reply-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.8rem;
    color: var(--cyber-cyan);
    opacity: 0.8;
}

.replying-to {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    background-color: rgba(0, 184, 255, 0.1);
    border: 1px solid rgba(0, 184, 255, 0.3);
    border-radius: 4px;
    color: var(--cyber-cyan);
}

.replying-to .oi {
    color: var(--cyber-cyan);
}

.replying-to strong {
    color: var(--cyber-light-gray);
}

.replying-to .btn-link {
    color: var(--cyber-pink);
    text-decoration: none;
    margin-left: auto;
}

.replying-to .btn-link:hover {
    color: var(--cyber-cyan);
    text-decoration: underline;
}

/* Activity Log Styles */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.activity-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--cyber-dark);
    border: 1px solid var(--cyber-purple);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.activity-item:hover {
    border-color: var(--cyber-cyan);
    box-shadow: 0 0 10px rgba(0, 184, 255, 0.2);
}

.activity-item.activity-create {
    border-left: 3px solid var(--cyber-green);
}

.activity-item.activity-update {
    border-left: 3px solid var(--cyber-cyan);
}

.activity-item.activity-delete {
    border-left: 3px solid var(--cyber-pink);
}

.activity-item.activity-transfer {
    border-left: 3px solid var(--cyber-purple);
}

.activity-item.activity-restore {
    border-left: 3px solid #ffc107;
}

.activity-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background-color: rgba(0, 184, 255, 0.1);
    border-radius: 50%;
    flex-shrink: 0;
}

.activity-icon .oi {
    font-size: 1.25rem;
    color: var(--cyber-cyan);
}

.activity-item.activity-create .activity-icon .oi {
    color: var(--cyber-green);
}

.activity-item.activity-delete .activity-icon .oi {
    color: var(--cyber-pink);
}

.activity-content {
    flex: 1;
    min-width: 0;
}

.activity-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.activity-type {
    font-weight: 600;
    color: var(--cyber-cyan);
}

.activity-date {
    font-size: 0.85rem;
    color: var(--cyber-gray);
}

.activity-description {
    color: var(--cyber-light-gray);
    margin-bottom: 0.5rem;
}

.activity-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--cyber-gray);
}

.activity-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.activity-meta a {
    color: var(--cyber-cyan);
    text-decoration: none;
}

.activity-meta a:hover {
    text-decoration: underline;
}

/* Tag Management Page */
.tags-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.tag-card {
    background: var(--cyber-dark);
    border: 1px solid var(--cyber-purple);
    border-radius: 8px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.tag-card:hover {
    border-color: var(--cyber-cyan);
    box-shadow: 0 0 15px rgba(0, 184, 255, 0.2);
}

.tag-preview,
.tag-preview-large {
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    font-size: 1.1rem;
}

.tag-preview-large {
    padding: 1rem 2rem;
    font-size: 1.3rem;
    margin-top: 0.5rem;
}

.tag-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--cyber-gray);
}

.tag-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
}

.color-picker-container {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.color-picker-container .form-control-color {
    width: 60px;
    height: 38px;
    padding: 0.25rem;
    cursor: pointer;
}

.color-picker-container .color-hex {
    flex: 1;
    font-family: 'Courier New', monospace;
}

.preset-colors .color-swatches {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.color-swatch {
    width: 36px;
    height: 36px;
    border-radius: 4px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
}

.color-swatch:hover {
    transform: scale(1.1);
    border-color: var(--cyber-light-gray);
}

.color-swatch.selected {
    border-color: var(--cyber-cyan);
    box-shadow: 0 0 10px var(--cyber-cyan);
}

/* Share Link Expiration Styles */
.share-link-panel.expired {
    border-color: var(--cyber-magenta);
}

.share-link-panel.expired h3 {
    color: var(--cyber-magenta);
}

.btn.expired {
    background-color: var(--cyber-magenta);
    border-color: var(--cyber-magenta);
}

.expiration-countdown {
    color: var(--cyber-cyan);
    font-size: 0.9rem;
    margin-left: 0.5rem;
}

.share-preview {
    padding: 0.75rem;
    background: var(--cyber-dark);
    border-radius: 4px;
    margin-top: 0.5rem;
}

.share-preview .oi {
    margin-right: 0.5rem;
}

/* Linked Handouts with Type Selection */
.linked-handouts-container {
    background: var(--cyber-dark);
    border: 1px solid var(--cyber-purple);
    border-radius: 8px;
    padding: 1rem;
}

.add-link-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 1rem;
}

.add-link-row .rz-dropdown {
    background: var(--cyber-black);
}

.linked-handouts-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.linked-handout-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    background: var(--cyber-black);
    border: 1px solid var(--cyber-gray);
    border-radius: 4px;
}

.linked-handout-item:hover {
    border-color: var(--cyber-cyan);
}

.linked-handout-title {
    flex: 1;
    font-weight: 500;
    color: var(--cyber-light-gray);
}

.no-links-message {
    text-align: center;
    color: var(--cyber-gray);
    font-style: italic;
    padding: 1rem;
}

/* Linked Handouts Section in Details Page */
.linked-handouts-section {
    margin: 2rem 0;
    padding: 1.5rem;
    background: var(--cyber-dark);
    border: 1px solid var(--cyber-purple);
    border-radius: 8px;
}

.linked-handouts-section h3 {
    color: var(--cyber-cyan);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    text-shadow: 0 0 10px var(--cyber-cyan);
}

.linked-handouts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.linked-handout-card {
    background: var(--cyber-black);
    border: 1px solid var(--cyber-gray);
    border-radius: 6px;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.linked-handout-card:hover {
    border-color: var(--cyber-cyan);
    box-shadow: 0 0 15px rgba(0, 184, 255, 0.3);
    transform: translateY(-2px);
}

.linked-handout-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--cyber-purple), var(--cyber-cyan));
}

.link-type-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--cyber-purple), var(--cyber-magenta));
    color: white;
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    margin-bottom: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.linked-handout-info h4 {
    color: var(--cyber-light-gray);
    font-size: 1.1rem;
    margin: 0 0 0.5rem 0;
    font-family: 'Segoe UI', sans-serif;
}

.category-badge-small {
    display: inline-block;
    background: var(--cyber-dark);
    color: var(--cyber-cyan);
    font-size: 0.8rem;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    border: 1px solid var(--cyber-cyan);
}

/* Real-Time Collaboration Styles */
.collaboration-warning,
.saved-by-other-warning {
    margin-top: 1rem;
}

.collaboration-warning .rz-alert,
.saved-by-other-warning .rz-alert {
    background-color: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.5);
    animation: collaboration-pulse 2s ease-in-out infinite;
}

.saved-by-other-warning .rz-alert {
    background-color: rgba(255, 0, 110, 0.1);
    border: 1px solid var(--cyber-pink);
    animation: danger-pulse 1s ease-in-out infinite;
}

@keyframes collaboration-pulse {
    0%, 100% {
        box-shadow: 0 0 5px rgba(255, 193, 7, 0.3);
    }
    50% {
        box-shadow: 0 0 20px rgba(255, 193, 7, 0.6);
    }
}

@keyframes danger-pulse {
    0%, 100% {
        box-shadow: 0 0 5px rgba(255, 0, 110, 0.3);
    }
    50% {
        box-shadow: 0 0 15px rgba(255, 0, 110, 0.6);
    }
}

.collaboration-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: rgba(0, 184, 255, 0.1);
    border: 1px solid var(--cyber-cyan);
    border-radius: 4px;
    font-size: 0.85rem;
    color: var(--cyber-cyan);
}

.collaboration-status.disconnected {
    background-color: rgba(255, 193, 7, 0.1);
    border-color: #ffc107;
    color: #ffc107;
}

.collaboration-status .status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--cyber-green);
    animation: status-blink 2s ease-in-out infinite;
}

.collaboration-status.disconnected .status-dot {
    background-color: #ffc107;
    animation: none;
}

@keyframes status-blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.active-editors-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.editor-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, var(--cyber-purple), var(--cyber-magenta));
    color: white;
    font-size: 0.8rem;
    border-radius: 12px;
    font-weight: 500;
}

.editor-badge .oi {
    font-size: 0.7rem;
}

/* Advanced Filters */
.advanced-filters {
    background-color: var(--cyber-dark);
    border: 1px solid var(--cyber-purple);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.advanced-filters .filter-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.advanced-filters .filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.advanced-filters .filter-group label {
    color: var(--cyber-cyan);
    font-size: 0.9rem;
    font-weight: 500;
}

.advanced-filters .form-control {
    background-color: var(--cyber-black);
    border: 1px solid var(--cyber-gray);
    color: var(--cyber-light-gray);
    padding: 0.5rem;
    border-radius: 4px;
}

.advanced-filters .form-control:focus {
    border-color: var(--cyber-cyan);
    box-shadow: 0 0 5px var(--cyber-cyan);
    outline: none;
}

.filters-section {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-end;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background-color: var(--cyber-dark);
    border: 1px solid var(--cyber-purple);
    border-radius: 8px;
}

.filters-section .filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.filters-section .filter-group label {
    color: var(--cyber-gray);
    font-size: 0.85rem;
}

.filters-section .form-select {
    background-color: var(--cyber-black);
    border: 1px solid var(--cyber-gray);
    color: var(--cyber-light-gray);
    padding: 0.5rem;
    border-radius: 4px;
    min-width: 150px;
}

.filters-section .form-select:focus {
    border-color: var(--cyber-cyan);
    box-shadow: 0 0 5px var(--cyber-cyan);
    outline: none;
}

.filters-section .search-box {
    flex: 1;
    min-width: 200px;
}

.filters-section .search-box .form-control {
    background-color: var(--cyber-black);
    border: 1px solid var(--cyber-gray);
    color: var(--cyber-light-gray);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    width: 100%;
}

.filters-section .search-box .form-control:focus {
    border-color: var(--cyber-cyan);
    box-shadow: 0 0 5px var(--cyber-cyan);
    outline: none;
}

.filters-section .search-box .form-control::placeholder {
    color: var(--cyber-gray);
}

/* ============================================
   UNIVERSE SELECTOR
   ============================================ */

.universe-selector {
    padding: 1rem;
    border-bottom: 1px solid var(--cyber-purple);
    margin-bottom: 0.5rem;
}

.universe-dropdown {
    position: relative;
}

.universe-select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    padding-right: 2rem;
    background-color: var(--cyber-dark);
    border: 1px solid var(--cyber-purple);
    border-radius: 4px;
    color: var(--cyber-light-gray);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23bd00ff' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    transition: all 0.2s ease;
}

.universe-select:hover {
    border-color: var(--cyber-cyan);
    box-shadow: 0 0 5px var(--cyber-purple);
}

.universe-select:focus {
    outline: none;
    border-color: var(--cyber-cyan);
    box-shadow: 0 0 10px var(--cyber-cyan);
}

.universe-select option {
    background-color: var(--cyber-dark);
    color: var(--cyber-light-gray);
    padding: 0.5rem;
}

.universe-indicator {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    border-radius: 4px 0 0 4px;
    transition: background-color 0.3s ease;
}

.universe-loading {
    display: flex;
    justify-content: center;
    padding: 0.5rem;
}

.universe-loading .spinner-border {
    color: var(--cyber-cyan);
    width: 1.5rem;
    height: 1.5rem;
}

.universe-no-access {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    color: var(--cyber-gray);
    font-size: 0.85rem;
}

.universe-no-access .oi {
    color: var(--cyber-pink);
}

/* ============================================
   BREADCRUMB NAVIGATION
   ============================================ */

.breadcrumb-nav {
    margin-bottom: 1.5rem;
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    padding: 0.75rem 1rem;
    margin: 0;
    list-style: none;
    background-color: var(--cyber-dark);
    border-radius: 4px;
    border: 1px solid rgba(107, 47, 181, 0.3);
}

.breadcrumb-item {
    display: flex;
    align-items: center;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    padding: 0 0.75rem;
    color: var(--cyber-purple);
    font-size: 1.2rem;
}

.breadcrumb-item a {
    color: var(--cyber-cyan);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    transition: all 0.2s ease;
}

.breadcrumb-item a:hover {
    color: var(--cyber-green);
    text-shadow: 0 0 5px var(--cyber-cyan);
}

.breadcrumb-item a .oi {
    font-size: 0.9rem;
}

.breadcrumb-item.active {
    color: var(--cyber-light-gray);
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.breadcrumb-item.active .oi {
    color: var(--cyber-purple);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   VISUAL DIFF STYLES
   ============================================ */

.diff-view-container {
    background-color: var(--cyber-dark);
    border: 1px solid var(--cyber-purple);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.diff-legend {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.5rem;
    padding: 0.75rem 1rem;
    background-color: var(--cyber-black);
    border-radius: 4px;
    border: 1px solid var(--cyber-gray);
}

.diff-legend .legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--cyber-light-gray);
}

.diff-add-sample,
.diff-del-sample {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border-radius: 3px;
}

.diff-add-sample {
    background-color: rgba(0, 255, 159, 0.3);
    border: 1px solid var(--cyber-green);
}

.diff-del-sample {
    background-color: rgba(255, 0, 110, 0.3);
    border: 1px solid var(--cyber-pink);
}

.diff-section {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background-color: var(--cyber-black);
    border-radius: 6px;
    border: 1px solid rgba(107, 47, 181, 0.3);
}

.diff-section h4 {
    color: var(--cyber-cyan);
    font-size: 1rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.diff-section h4 .oi {
    font-size: 0.9rem;
}

.diff-content {
    padding: 0.75rem;
    background-color: rgba(26, 29, 53, 0.5);
    border-radius: 4px;
    line-height: 1.6;
    font-family: 'Segoe UI', sans-serif;
}

.diff-content-large {
    max-height: 500px;
    overflow-y: auto;
}

.diff-inline {
    word-wrap: break-word;
}

.diff-add {
    background-color: rgba(0, 255, 159, 0.25);
    color: var(--cyber-green);
    padding: 0.1rem 0.3rem;
    border-radius: 3px;
    text-decoration: none;
}

.diff-del {
    background-color: rgba(255, 0, 110, 0.25);
    color: var(--cyber-pink);
    padding: 0.1rem 0.3rem;
    border-radius: 3px;
    text-decoration: line-through;
}

.diff-arrow {
    color: var(--cyber-gray);
    margin: 0 0.5rem;
    font-weight: bold;
}

.no-differences {
    text-align: center;
    padding: 3rem;
    color: var(--cyber-green);
}

.no-differences .oi {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
}

.no-differences p {
    font-size: 1.1rem;
    margin: 0;
}

/* Line-by-line diff */
.diff-container {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.diff-line {
    display: flex;
    padding: 0.25rem 0.5rem;
    border-left: 3px solid transparent;
}

.diff-marker {
    width: 1.5rem;
    flex-shrink: 0;
    color: var(--cyber-gray);
    font-weight: bold;
}

.diff-line.diff-addition {
    background-color: rgba(0, 255, 159, 0.1);
    border-left-color: var(--cyber-green);
}

.diff-line.diff-addition .diff-marker {
    color: var(--cyber-green);
}

.diff-line.diff-deletion {
    background-color: rgba(255, 0, 110, 0.1);
    border-left-color: var(--cyber-pink);
}

.diff-line.diff-deletion .diff-marker {
    color: var(--cyber-pink);
}

.diff-line.diff-unchanged {
    opacity: 0.7;
}

/* View toggle buttons */
.view-toggle {
    display: flex;
    gap: 0.25rem;
    background-color: var(--cyber-black);
    padding: 0.25rem;
    border-radius: 4px;
    border: 1px solid var(--cyber-gray);
}

.view-toggle .btn {
    border-radius: 3px;
}

/* Content stats in summary */
.content-stats {
    color: var(--cyber-gray);
    font-weight: normal;
    font-size: 0.9rem;
    margin-left: 0.5rem;
}

/* ============================================
   MOBILE RESPONSIVE STYLES
   ============================================ */

/* Large tablets and small desktops */
@media (max-width: 1024px) {
    .handouts-page,
    .handout-details-page,
    .handout-edit-page,
    .admin-page,
    .mindmap-page,
    .templates-page,
    .version-history-page {
        padding: 1.5rem;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    #mindmap-container {
        height: 500px;
    }

    .legend-items {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
}

/* Tablets */
@media (max-width: 768px) {
    /* Page layouts */
    .handouts-page,
    .handout-details-page,
    .handout-edit-page,
    .admin-page,
    .mindmap-page,
    .templates-page,
    .version-history-page,
    .version-compare-page {
        padding: 1rem;
    }

    /* Page headers */
    .page-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
        text-align: center;
    }

    .page-header h1 {
        font-size: 1.75rem;
    }

    .header-actions {
        justify-content: center;
        flex-wrap: wrap;
    }

    /* Filters */
    .filters-section {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .filters-section .filter-group {
        width: 100%;
    }

    .filters-section .form-select,
    .filters-section .search-box {
        min-width: 100%;
    }

    .advanced-filters .filter-row {
        grid-template-columns: 1fr;
    }

    /* Handout cards grid */
    .handouts-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .templates-grid {
        grid-template-columns: 1fr;
    }

    .tags-grid {
        grid-template-columns: 1fr;
    }

    .linked-handouts-grid {
        grid-template-columns: 1fr;
    }

    /* Handout details page */
    .handout-details-page .handout-header {
        flex-direction: column;
        gap: 1rem;
    }

    .handout-details-page .header-content h1 {
        font-size: 1.75rem;
    }

    .handout-details-page .header-meta {
        flex-wrap: wrap;
        justify-content: center;
    }

    .handout-details-page .header-actions {
        justify-content: center;
    }

    .handout-details-page .handout-content {
        padding: 1.25rem;
    }

    /* Forms */
    .handout-form,
    .template-form {
        padding: 1.25rem;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }

    /* Buttons */
    .btn {
        padding: 0.625rem 1rem;
        font-size: 0.9rem;
    }

    .btn-sm {
        padding: 0.375rem 0.625rem;
        font-size: 0.8rem;
    }

    /* Mind map */
    .mindmap-controls {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .stats {
        flex-direction: column;
        gap: 0.75rem;
    }

    #mindmap-container {
        height: 400px;
    }

    /* Tables */
    .table {
        font-size: 0.85rem;
    }

    .table th,
    .table td {
        padding: 0.75rem 0.5rem;
    }

    /* Share link panel */
    .share-url-container {
        flex-direction: column;
    }

    .share-stats {
        grid-template-columns: 1fr;
    }

    /* Bulk operations */
    .bulk-actions-bar {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .bulk-buttons {
        justify-content: center;
    }

    /* Version timeline */
    .versions-timeline {
        padding: 1rem 0;
    }

    .current-version,
    .version-item {
        padding-left: 2.5rem;
    }

    .version-header {
        flex-direction: column;
        gap: 0.75rem;
    }

    .version-date {
        text-align: left;
    }

    .version-actions {
        justify-content: stretch;
    }

    .version-actions .btn {
        flex: 1;
    }

    /* Comments */
    .comment-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .comment-actions {
        width: 100%;
    }

    .comment-actions .btn {
        flex: 1;
    }

    /* Activity log */
    .activity-item {
        flex-direction: column;
        gap: 0.75rem;
    }

    .activity-icon {
        align-self: flex-start;
    }

    .activity-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .activity-meta {
        flex-direction: column;
        gap: 0.5rem;
    }

    /* Pagination */
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }

    .page-link {
        min-width: 2rem;
        height: 2rem;
        font-size: 0.8rem;
    }

    /* Modals */
    .modal-dialog {
        margin: 0.5rem;
        max-width: calc(100% - 1rem);
    }

    /* Add link row */
    .add-link-row {
        flex-direction: column;
        align-items: stretch;
    }

    .add-link-row .rz-dropdown,
    .add-link-row .form-select {
        width: 100% !important;
    }

    /* Template placeholder dialog */
    .placeholder-dialog .modal-body {
        max-height: 60vh;
        overflow-y: auto;
    }
}

/* Mobile phones */
@media (max-width: 480px) {
    /* Even smaller padding */
    .handouts-page,
    .handout-details-page,
    .handout-edit-page,
    .admin-page,
    .mindmap-page,
    .templates-page,
    .version-history-page,
    .version-compare-page {
        padding: 0.75rem;
    }

    .page-header h1 {
        font-size: 1.5rem;
    }

    /* Cards */
    .handout-card,
    .template-card,
    .tag-card,
    .linked-handout-card {
        padding: 1rem;
    }

    .handout-header h3 {
        font-size: 1rem;
    }

    /* Forms */
    .handout-form,
    .template-form,
    .section-card {
        padding: 1rem;
    }

    .form-group {
        margin-bottom: 1rem;
    }

    /* Tags */
    .tags {
        gap: 0.375rem;
    }

    .tag {
        font-size: 0.7rem;
        padding: 0.2rem 0.5rem;
    }

    /* Buttons in rows */
    .header-actions,
    .template-actions,
    .tag-actions,
    .share-actions {
        flex-direction: column;
        width: 100%;
    }

    .header-actions .btn,
    .template-actions .btn,
    .tag-actions .btn,
    .share-actions .btn {
        width: 100%;
    }

    /* Version cards */
    .version-card {
        padding: 1rem;
    }

    .version-badge {
        width: 2rem;
        height: 2rem;
        font-size: 0.65rem;
    }

    .version-badge.current {
        padding: 0.375rem 0.75rem;
        font-size: 0.75rem;
    }

    /* Comments */
    .comment-item {
        padding: 0.75rem;
    }

    .comment-reply {
        padding-left: 0.75rem !important;
    }

    /* Mind map */
    #mindmap-container {
        height: 300px;
    }

    .legend-items {
        grid-template-columns: 1fr;
    }

    /* Import/Export */
    .file-upload-area {
        padding: 1.5rem 1rem;
    }

    .upload-icon {
        font-size: 2rem;
    }

    /* Color picker */
    .color-picker-container {
        flex-wrap: wrap;
    }

    .color-picker-container .form-control-color {
        width: 48px;
        height: 32px;
    }

    .color-swatches {
        gap: 0.375rem;
    }

    .color-swatch {
        width: 28px;
        height: 28px;
    }

    /* Linked handout items */
    .linked-handout-item {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }

    .linked-handout-item .form-select {
        width: 100%;
    }

    /* Selection checkbox on cards */
    .selection-checkbox {
        top: 0.5rem;
        right: 0.5rem;
    }

    .selection-checkbox input[type="checkbox"] {
        width: 1.25rem;
        height: 1.25rem;
    }
}

/* Navigation sidebar responsive - handled by Blazor default template */
@media (max-width: 640px) {
    .sidebar {
        width: 100%;
    }

    .nav-link {
        padding: 0.75rem 1rem;
    }
}

/* Touch-friendly adjustments */
@media (hover: none) and (pointer: coarse) {
    /* Larger touch targets */
    .btn {
        min-height: 44px;
        min-width: 44px;
    }

    .btn-sm {
        min-height: 36px;
        min-width: 36px;
    }

    .page-link {
        min-height: 44px;
        min-width: 44px;
    }

    .nav-link {
        min-height: 48px;
    }

    /* Remove hover effects that don't work well on touch */
    .handout-card:hover,
    .template-card:hover,
    .tag-card:hover,
    .linked-handout-card:hover {
        transform: none;
    }

    /* Larger form controls */
    .form-control,
    .form-select,
    textarea {
        min-height: 44px;
        font-size: 16px; /* Prevents zoom on iOS */
    }

    input[type="checkbox"] {
        width: 1.5rem;
        height: 1.5rem;
    }

    /* Larger color swatches */
    .color-swatch {
        width: 40px;
        height: 40px;
    }
}

/* Print styles */
@media print {
    .sidebar,
    .page-header .btn,
    .header-actions,
    .filters-section,
    .bulk-actions-bar,
    .pagination-container,
    .form-actions,
    .comment-actions,
    .version-actions,
    .share-actions,
    .tag-actions,
    .template-actions,
    .selection-checkbox {
        display: none !important;
    }

    body {
        background-color: white;
        color: black;
    }

    .handout-content,
    .section-card,
    .handout-card,
    .version-card,
    .comment-item {
        background-color: white;
        border-color: #ccc;
        color: black;
        box-shadow: none;
    }

    .page-header h1,
    h1, h2, h3, h4, h5, h6 {
        color: black;
        text-shadow: none;
    }

    a {
        color: #0066cc;
    }
}

/* ========================================
   Universes Admin Page
   ======================================== */

.universes-page {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.universes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.universe-card {
    background: linear-gradient(135deg, var(--card-bg, var(--cyber-dark)), rgba(0, 0, 0, 0.3));
    border: 2px solid var(--card-accent, var(--cyber-purple));
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.universe-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--card-accent, var(--cyber-cyan)), var(--cyber-purple));
}

.universe-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4),
                0 0 20px var(--card-accent, var(--cyber-cyan));
}

.universe-card.is-default {
    border-color: var(--cyber-green);
}

.universe-card.is-default::before {
    background: linear-gradient(90deg, var(--cyber-green), var(--cyber-cyan));
}

.universe-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.universe-header h3 {
    margin: 0;
    color: var(--card-accent, var(--cyber-cyan));
    font-size: 1.4rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.default-badge {
    background: var(--cyber-green);
    color: var(--cyber-black);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: bold;
    text-transform: uppercase;
}

.universe-description {
    color: var(--card-text, var(--cyber-gray));
    font-size: 0.9rem;
    margin-bottom: 1rem;
    min-height: 2.5em;
}

.universe-colors {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.color-swatch {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: transform 0.2s ease;
}

.color-swatch:hover {
    transform: scale(1.2);
}

.universe-stats {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.85rem;
    color: var(--cyber-gray);
}

.universe-stats span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.universe-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.btn-small {
    padding: 0.4rem 0.6rem !important;
    font-size: 0.85rem;
}

/* Universe Dialog */
.universe-dialog {
    max-width: 600px;
    width: 90vw;
}

.color-pickers {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.color-picker-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.color-picker-group label {
    font-size: 0.85rem;
    color: var(--cyber-gray);
}

.color-input-wrapper {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.color-input-wrapper input[type="color"] {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    padding: 0;
    background: transparent;
}

.color-input-wrapper input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}

.color-input-wrapper input[type="color"]::-webkit-color-swatch {
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

.color-hex {
    flex: 1;
    padding: 0.5rem;
    background: var(--cyber-dark);
    border: 1px solid var(--cyber-purple);
    border-radius: 4px;
    color: var(--cyber-light-gray);
    font-family: monospace;
    font-size: 0.9rem;
}

/* Theme Preview */
.theme-preview {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--preview-bg, var(--cyber-black));
    border: 1px solid var(--preview-accent, var(--cyber-cyan));
    border-radius: 8px;
}

.theme-preview h5 {
    margin: 0 0 1rem 0;
    color: var(--preview-accent, var(--cyber-cyan));
    font-size: 0.9rem;
    text-transform: uppercase;
}

.preview-content {
    padding: 1rem;
    background: var(--preview-bg-alt, var(--cyber-dark));
    border-radius: 4px;
}

.preview-card {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--preview-accent, var(--cyber-cyan));
    border-radius: 4px;
    overflow: hidden;
}

.preview-header {
    padding: 0.75rem;
    background: linear-gradient(90deg, var(--preview-accent, var(--cyber-cyan)), transparent);
    color: var(--preview-text, var(--cyber-light-gray));
    font-weight: bold;
}

.preview-body {
    padding: 1rem;
    color: var(--preview-text, var(--cyber-light-gray));
}

.preview-body p {
    margin: 0 0 1rem 0;
    font-size: 0.9rem;
}

.preview-link {
    color: var(--preview-accent, var(--cyber-cyan));
    text-decoration: underline;
}

.preview-button {
    background: linear-gradient(135deg, var(--preview-accent, var(--cyber-purple)), var(--preview-accent2, var(--cyber-magenta)));
    border: none;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
}

/* Warning message in delete confirm */
.warning-message {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 1rem;
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid #ffc107;
    border-radius: 4px;
    margin-top: 1rem;
    color: #ffc107;
}

.warning-message .rzi {
    flex-shrink: 0;
}

/* Delete confirm modal */
.delete-confirm {
    max-width: 450px;
}

.delete-confirm .modal-body p {
    margin-bottom: 0;
}

/* ========================================
   Universe Users Admin Page
   ======================================== */

.universe-users-page {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.page-subtitle {
    color: var(--cyber-gray);
    margin: 0.5rem 0 0 0;
    font-size: 0.95rem;
}

.access-info {
    margin-bottom: 1.5rem;
}

.info-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: rgba(0, 184, 255, 0.1);
    border: 1px solid var(--cyber-cyan);
    border-radius: 8px;
}

.info-card .rzi {
    color: var(--cyber-cyan);
    flex-shrink: 0;
}

.users-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 1.5rem;
}

@media (max-width: 900px) {
    .users-grid {
        grid-template-columns: 1fr;
    }
}

.player-select {
    display: flex;
    gap: 0.75rem;
}

.player-select select {
    flex: 1;
}

.users-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.user-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--cyber-dark);
    border: 1px solid var(--cyber-purple);
    border-radius: 6px;
    transition: all 0.2s ease;
}

.user-item:hover {
    border-color: var(--cyber-cyan);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-info .rzi {
    color: var(--cyber-cyan);
    font-size: 1.5rem;
}

.user-info div {
    display: flex;
    flex-direction: column;
}

.user-info strong {
    color: var(--cyber-light-gray);
}

.user-info small {
    color: var(--cyber-gray);
    font-size: 0.8rem;
}

.empty-message {
    color: var(--cyber-gray);
    font-style: italic;
    padding: 1rem 0;
}