/**
 * KB Editor Styles
 * Styles for Knowledge Base editor interface
 */

/* KB Editor Modal */
.kb-editor-modal .modal-content {
    max-width: 1200px;
    width: 95%;
    height: 90vh;
    max-height: 900px;
    display: flex;
    flex-direction: column;
    padding: 0;
}

.kb-editor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    background: var(--card-bg);
}

.kb-editor-header h2 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.kb-editor-header .back-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 6px;
    transition: all 0.2s;
}

.kb-editor-header .back-btn:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

.kb-editor-header .close-btn {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: all 0.2s;
}

.kb-editor-header .close-btn:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

/* KB Editor Toolbar */
.kb-editor-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-primary);
}

.kb-editor-tabs {
    display: flex;
    gap: 8px;
}

.tab-btn {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-secondary);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.tab-btn:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.kb-editor-actions {
    display: flex;
    gap: 8px;
}

/* KB Editor Body */
.kb-editor-body {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
}

/* Document List */
.kb-document-list {
    padding: 24px;
    overflow-y: auto;
    max-height: 100%;
}

.kb-document-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 16px;
    cursor: pointer;
    transition: all 0.2s;
}

.kb-document-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.kb-doc-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-color-light);
    border-radius: 8px;
}

.kb-doc-info {
    flex: 1;
}

.kb-doc-info h3 {
    margin: 0 0 8px 0;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.kb-doc-info p {
    margin: 0 0 8px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.kb-doc-meta {
    display: flex;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.kb-doc-arrow {
    font-size: 1.5rem;
    color: var(--text-tertiary);
}

/* Editor Pane */
.kb-editor-pane {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.kb-editor-pane.hidden {
    display: none;
}

.kb-content-editor {
    flex: 1;
    width: 100%;
    padding: 24px;
    border: none;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    resize: none;
    outline: none;
}

.kb-content-preview {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
    background: var(--bg-primary);
}

.kb-editor-stats {
    display: flex;
    gap: 12px;
    padding: 12px 24px;
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Editor Footer */
.kb-editor-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--border-color);
    background: var(--card-bg);
}

.kb-change-comment {
    margin-bottom: 16px;
}

.kb-change-comment label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9rem;
}

.kb-change-comment textarea {
    width: 100%;
    min-height: 80px;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    resize: vertical;
    transition: border-color 0.2s;
}

.kb-change-comment textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.comment-counter {
    margin-top: 4px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: right;
}

.kb-editor-buttons {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

/* Contributions View */
.kb-contributions-container {
    padding: 24px;
    overflow-y: auto;
}

.kb-stats-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 24px;
}

.kb-stats-card h3 {
    margin: 0 0 16px 0;
    color: var(--text-primary);
}

.kb-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
}

.stat-item {
    text-align: center;
    padding: 16px;
    background: var(--bg-primary);
    border-radius: 6px;
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--accent-color);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.kb-contributions-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.kb-contribution-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
}

.contrib-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.contrib-header strong {
    color: var(--text-primary);
}

.contrib-date {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.contrib-comment {
    margin: 8px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.contrib-stats {
    display: flex;
    gap: 12px;
    font-size: 0.85rem;
    font-family: monospace;
}

.stat-positive {
    color: #27ae60;
}

.stat-negative {
    color: #e74c3c;
}

.stat-modified {
    color: #f39c12;
}

/* Leaderboard View */
.kb-leaderboard-container {
    padding: 24px;
    overflow-y: auto;
}

.kb-period-selector {
    display: flex;
    gap: 8px;
}

.period-btn {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-secondary);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.period-btn:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

.period-btn.active {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.kb-leaderboard-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.kb-leaderboard-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.2s;
}

.kb-leaderboard-item.top-rank {
    border-color: var(--accent-color);
    background: linear-gradient(135deg, var(--card-bg) 0%, var(--accent-color-light) 100%);
}

.rank-badge {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    border-radius: 50%;
    background: var(--bg-primary);
}

.rank-badge.rank-1 {
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
}

.rank-badge.rank-2 {
    background: linear-gradient(135deg, #c0c0c0 0%, #e8e8e8 100%);
}

.rank-badge.rank-3 {
    background: linear-gradient(135deg, #cd7f32 0%, #e8a87c 100%);
}

.contributor-info {
    flex: 1;
}

.contributor-name {
    font-weight: bold;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.contributor-stats {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.contributor-latest {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    font-style: italic;
}

/* Loading and Error States */
.loading-spinner {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.error-message {
    text-align: center;
    padding: 40px;
}

.error-message p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.no-documents,
.no-contributions,
.no-contributors {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
    font-style: italic;
}

/* Responsive Design */
@media (max-width: 768px) {
    .kb-editor-modal .modal-content {
        width: 100%;
        height: 100vh;
        max-height: 100vh;
        border-radius: 0;
    }

    .kb-editor-toolbar {
        flex-direction: column;
        gap: 12px;
        align-items: stretch;
    }

    .kb-editor-actions {
        flex-direction: column;
    }

    .kb-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .kb-editor-buttons {
        flex-direction: column;
    }

    .kb-editor-buttons button {
        width: 100%;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .kb-document-card:hover {
        box-shadow: 0 4px 12px rgba(255, 255, 255, 0.1);
    }
}