/* ================================================
   KB (Knowledge Base) UI Styles
   Harmonized with TTX Sync Dashboard Design
   ================================================ */

/* KB Container */
.kb-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    overflow: hidden;
    padding: 0;
}

/* KB Sub-navigation */
.kb-subnav {
    display: flex;
    gap: 4px;
    padding: 0 20px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.kb-subnav-btn {
    padding: 12px 20px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.88rem;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all 0.2s;
}

.kb-subnav-btn:hover {
    color: var(--text-primary);
    background: rgba(0,0,0,0.03);
}

.kb-subnav-btn.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
    font-weight: 500;
}

/* KB Section */
.kb-section {
    display: none;
    flex-direction: column;
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    min-height: 0;
}

.kb-section.active {
    display: flex;
}

/* KB Section Header */
.kb-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-shrink: 0;
    gap: 16px;
}

.kb-section-header h2 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.kb-section-header h2::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 22px;
    background: linear-gradient(180deg, var(--accent), var(--success));
    border-radius: 2px;
}

/* KB Stats Cards */
.kb-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.kb-stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: all 0.2s ease;
    box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}

.kb-stat-card:hover {
    border-color: var(--accent);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transform: translateY(-2px);
}

.kb-stat-card.warning {
    border-left: 3px solid #f39c12;
}

.kb-stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 8px;
}

.kb-stat-card.warning .kb-stat-value {
    color: #f39c12;
}

.kb-stat-label {
    font-size: 0.82rem;
    color: var(--text-secondary);
    text-align: center;
}

/* KB Lists */
.kb-terms-list,
.kb-rules-list,
.kb-feedback-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* KB Term/Rule Card */
.kb-term-card,
.kb-rule-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px 18px;
    transition: all 0.2s ease;
    box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}

.kb-term-card:hover,
.kb-rule-card:hover {
    border-color: var(--accent);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.kb-term-header,
.kb-rule-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    gap: 12px;
}

.kb-term-header h3,
.kb-rule-header h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.kb-term-type,
.kb-rule-type {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 3px 10px;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: white;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.kb-term-meta,
.kb-rule-meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    color: var(--text-secondary);
    font-size: 0.82rem;
    margin-bottom: 12px;
}

.kb-term-meta span,
.kb-rule-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.kb-term-actions,
.kb-rule-actions {
    display: flex;
    gap: 8px;
}

.kb-term-actions .btn,
.kb-rule-actions .btn {
    padding: 7px 14px;
    font-size: 0.8rem;
}

/* KB Feedback Item */
.kb-feedback-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-left: 3px solid #f39c12;
    border-radius: 10px;
    padding: 16px 18px;
    transition: all 0.2s ease;
}

.kb-feedback-item:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.kb-feedback-query {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.kb-feedback-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    margin-bottom: 12px;
}

.kb-feedback-details > div {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.kb-feedback-details strong {
    color: var(--text-primary);
    font-weight: 500;
    display: block;
    margin-bottom: 2px;
}

.kb-feedback-actions {
    display: flex;
    gap: 8px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
}

/* KB Audit Table */
.kb-audit-log {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
}

.kb-audit-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.kb-audit-table th {
    padding: 12px 14px;
    text-align: left;
    background: var(--bg-primary);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border);
}

.kb-audit-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
}

.kb-audit-table tr:hover td {
    background: rgba(9, 132, 227, 0.03);
}

.kb-audit-table tr:last-child td {
    border-bottom: none;
}

/* Action Badge */
.action-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.action-badge.INSERT {
    background: rgba(0, 184, 148, 0.15);
    color: var(--success);
}

.action-badge.UPDATE {
    background: rgba(9, 132, 227, 0.15);
    color: var(--accent);
}

.action-badge.DELETE {
    background: rgba(214, 48, 49, 0.15);
    color: var(--danger);
}

/* Inactive label */
.inactive {
    color: var(--text-secondary);
    font-style: italic;
    font-size: 0.82rem;
}

/* KB Recent Activity */
.kb-recent-activity {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px 18px;
}

.kb-recent-activity h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.kb-audit-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.kb-audit-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    background: var(--bg-primary);
    border-radius: 6px;
    font-size: 0.82rem;
}

.kb-audit-item .kb-audit-action {
    font-weight: 600;
    min-width: 60px;
}

.kb-audit-item .kb-audit-table-name {
    flex: 1;
    color: var(--text-secondary);
}

.kb-audit-item .kb-audit-time {
    color: var(--text-secondary);
    font-size: 0.75rem;
}

/* Error state */
.kb-section .error {
    padding: 20px;
    background: rgba(214, 48, 49, 0.08);
    border: 1px solid rgba(214, 48, 49, 0.2);
    border-radius: 10px;
    color: var(--danger);
    font-size: 0.9rem;
}

/* Empty state */
.kb-section > p:first-child {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Button adjustments */
.btn-sm {
    padding: 7px 14px;
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-sm:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-sm.btn-danger {
    background: var(--danger);
    border-color: var(--danger);
    color: white;
}

.btn-sm.btn-danger:hover {
    background: #c0392b;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .kb-stats {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .kb-feedback-details {
        grid-template-columns: 1fr;
    }
}

/* ================================================
   Modal Styles for KB
   ================================================ */

.kb-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.kb-modal {
    background: var(--bg-sidebar);
    color: var(--text-light);
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    border: 1px solid rgba(255,255,255,0.1);
    animation: slideIn 0.25s ease;
}

@keyframes slideIn {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.kb-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.kb-modal-header h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 0;
    color: var(--text-light);
}

.kb-modal-close {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--text-light);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px 10px;
    border-radius: 6px;
    line-height: 1;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.kb-modal-close:hover {
    background: rgba(255,255,255,0.12);
    border-color: rgba(255,255,255,0.2);
}

.kb-modal-body {
    padding: 20px;
    flex: 1;
    overflow-y: auto;
}

.kb-modal-body::-webkit-scrollbar {
    width: 6px;
}

.kb-modal-body::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.15);
    border-radius: 3px;
}

.kb-modal-footer {
    display: flex;
    gap: 10px;
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
    justify-content: flex-end;
}

/* Form Styles */
.kb-form-group {
    margin-bottom: 16px;
}

.kb-form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-light);
    opacity: 0.9;
}

.kb-form-group input,
.kb-form-group select,
.kb-form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 8px;
    background: rgba(255,255,255,0.07);
    color: var(--text-light);
    font-size: 0.9rem;
    font-family: inherit;
    transition: all 0.2s ease;
}

.kb-form-group input:focus,
.kb-form-group select:focus,
.kb-form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255,255,255,0.1);
    box-shadow: 0 0 0 3px rgba(9, 132, 227, 0.15);
}

.kb-form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.kb-form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23a0a0a0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
    cursor: pointer;
}

.kb-form-group select option {
    background: var(--bg-sidebar);
    color: var(--text-light);
}

.kb-form-group-checkbox {
    display: flex;
    align-items: center;
}

.kb-form-group-checkbox label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.kb-form-group-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* ================================================
   Table Styles
   ================================================ */

.kb-table-wrapper {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
}

.kb-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.kb-table th {
    padding: 12px 14px;
    text-align: left;
    background: var(--bg-primary);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border);
}

.kb-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
}

.kb-table tr:last-child td {
    border-bottom: none;
}

.kb-table tr:hover td {
    background: rgba(9, 132, 227, 0.03);
}

.kb-table-name {
    font-weight: 500;
}

.kb-table-code {
    font-family: 'SF Mono', 'Consolas', monospace;
    font-size: 0.82rem;
    color: var(--accent);
}

.kb-table-category {
    color: var(--text-secondary);
}

.kb-table-priority {
    text-align: center;
    font-weight: 600;
}

.kb-table-status {
    text-align: center;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    font-size: 0.85rem;
}

.status-badge.active {
    background: rgba(0, 184, 148, 0.15);
    color: var(--success);
}

.status-badge.inactive {
    background: rgba(99, 110, 114, 0.15);
    color: var(--text-secondary);
}

.kb-table-actions {
    display: flex;
    gap: 4px;
    justify-content: flex-end;
}

.kb-table-actions .icon-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.kb-table-actions .icon-btn svg {
    width: 16px;
    height: 16px;
}

.kb-table-actions .icon-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.kb-table-actions .icon-btn.delete:hover {
    border-color: var(--danger);
    color: var(--danger);
    background: rgba(214, 48, 49, 0.08);
}

/* Table row hover effect */
.kb-table tbody tr {
    transition: background 0.15s ease;
}

/* Rule type badge */
.rule-type-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    background: rgba(108, 92, 231, 0.15);
    color: #6c5ce7;
}

/* Form row for two-column layouts */
.kb-form-row {
    display: flex;
    gap: 16px;
}

.kb-form-row .kb-form-group {
    flex: 1;
}

/* Form header row with help button */
.kb-form-header-row {
    display: flex;
    gap: 8px;
    align-items: flex-end;
}

.kb-form-header-row .kb-form-group {
    flex: 1;
}

.help-btn {
    width: 36px;
    height: 36px;
    padding: 0;
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.btn-manual {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--accent);
    background: rgba(9, 132, 227, 0.1);
    border: 1px solid rgba(9, 132, 227, 0.3);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-manual:hover {
    background: rgba(9, 132, 227, 0.2);
    border-color: var(--accent);
}

/* Help modal */
.kb-modal-help {
    max-width: 650px;
}

.kb-help-section {
    margin-bottom: 20px;
}

.kb-help-section h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.kb-help-section > p {
    color: var(--text-light);
    font-size: 0.85rem;
    line-height: 1.5;
}

.kb-help-item {
    margin-bottom: 14px;
    padding: 10px 12px;
    background: rgba(255,255,255,0.03);
    border-radius: 6px;
}

.kb-help-item strong {
    color: var(--accent);
    display: block;
    margin-bottom: 4px;
}

.kb-help-item p {
    color: var(--text-light);
    font-size: 0.85rem;
    margin-bottom: 6px;
    opacity: 0.9;
}

.kb-help-item code {
    display: block;
    font-size: 0.8rem;
    color: var(--success);
    background: rgba(0,184,148,0.1);
    padding: 4px 8px;
    border-radius: 4px;
    font-family: 'SF Mono', 'Consolas', monospace;
}

.kb-help-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.kb-help-section ul li {
    font-size: 0.85rem;
    color: var(--text-light);
    padding: 6px 0;
    opacity: 0.9;
}

.kb-help-section ul li code {
    background: rgba(9,132,227,0.15);
    color: var(--accent);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.8rem;
}