/* Data Lineage Tab Styles */
/* All values reference theme CSS variables — dark/light switching is automatic */

/* ── Tab Bar ── */
.tab-bar {
    display: flex;
    align-items: center;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0 12px;
    height: 38px;
    flex-shrink: 0;
    z-index: 10;
}

.tab-btn {
    padding: 0 16px;
    height: 38px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--text-muted);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
}

.tab-btn:hover { color: var(--text-secondary); }

.tab-btn.active {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
    font-weight: 600;
}

/* ── Workspace wrappers ── */
#erd-workspace,
#lineage-workspace {
    display: flex;
    flex: 1;
    overflow: hidden;
    min-height: 0;
}

#lineage-workspace { display: none; position: relative; z-index: 0; }
#lineage-workspace.active { display: flex; }
#erd-workspace.hidden { display: none; }

/* Full-width background strip that fills the nav bar row across all columns. */
#lineage-workspace::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 38px;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    pointer-events: none;
    z-index: -1;
}

/* ── Three-panel lineage layout ── */
.lineage-flow-list {
    width: 170px;
    flex-shrink: 0;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: relative;
}

.lineage-diagram-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background-color: var(--bg-primary);
}

.lineage-about-sidebar {
    width: 190px;
    flex-shrink: 0;
    background-color: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: relative;
}

.lineage-flow-list.collapsed,
.lineage-about-sidebar.collapsed {
    width: 0 !important;
    min-width: 0 !important;
    overflow: hidden;
}

/* ── Panel resize handles ── */
.lineage-panel-resize {
    position: absolute;
    top: 0;
    right: 0;
    width: 6px;
    height: 100%;
    cursor: ew-resize;
    z-index: 10;
    background: transparent;
}

.lineage-panel-resize:hover,
.lineage-panel-resize.active {
    background-color: var(--accent-color);
    opacity: 0.5;
}

.lineage-panel-resize.left {
    right: auto;
    left: 0;
}

/* ── Panel toggle pills (flex siblings, styled to match ERD sidebar toggle) ── */
.lineage-panel-toggle {
    flex-shrink: 0;
    align-self: center;
    width: 20px;
    height: 60px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-left: none;
    border-radius: 0 6px 6px 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 11;
    transition: background-color 0.15s ease;
    padding: 0;
    color: var(--text-muted);
}

.lineage-panel-toggle:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

/* Right-panel toggle: pill protrudes from the left edge of the right panel */
.lineage-panel-toggle-right {
    border-left: 1px solid var(--border-color);
    border-right: none;
    border-radius: 6px 0 0 6px;
}

.lineage-panel-toggle-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
}

/* Rotate icon 180° when panel is collapsed (works for both left and right) */
.lineage-panel-toggle.collapsed .lineage-panel-toggle-icon {
    transform: rotate(180deg);
}

/* ── Flow list panel ── */
.lineage-flow-list-header {
    padding: 8px 10px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.lineage-flow-list-title {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    color: var(--text-primary);
}

.lineage-flow-new-btn {
    background: none;
    border: none;
    color: var(--accent-color);
    font-size: 1.125rem;
    line-height: 1;
    cursor: pointer;
    padding: 0 2px;
    font-family: inherit;
}

.lineage-flow-items {
    flex: 1;
    overflow-y: auto;
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.lineage-flow-item {
    padding: 6px 8px;
    border-radius: 4px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: border-color 0.1s;
}

.lineage-flow-item:hover { border-color: var(--border-hover); }

.lineage-flow-item.active {
    background-color: var(--accent-color-alpha);
    border-color: var(--accent-color);
}

.lineage-flow-item-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.lineage-flow-item-delete {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    padding: 0;
    opacity: 0;
    color: var(--text-muted);
    transition: opacity 0.15s, color 0.15s;
    pointer-events: none;
}

.lineage-flow-item-delete .icon {
    width: 11px;
    height: 11px;
}

.lineage-flow-item:hover .lineage-flow-item-delete,
.lineage-flow-item.active .lineage-flow-item-delete {
    opacity: 1;
    pointer-events: auto;
}

.lineage-flow-item-delete:hover {
    color: #ef4444;
}

.lineage-flow-item.active .lineage-flow-item-name { color: var(--accent-color); }

.lineage-flow-item-meta {
    font-size: 1rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.lineage-flow-item-lang {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-muted);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    padding: 1px 4px;
    flex-shrink: 0;
}

.lineage-lang-toggle {
    display: flex;
    gap: 0;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    width: fit-content;
}

.lineage-lang-option {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.lineage-lang-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.lineage-lang-option span {
    display: block;
    padding: 5px 14px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
    background: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    transition: background 0.15s, color 0.15s;
    user-select: none;
}

.lineage-lang-option:last-child span {
    border-right: none;
}

.lineage-lang-option input[type="radio"]:checked + span {
    background: var(--accent-color);
    color: #fff;
}

.lineage-lang-detect-msg {
    display: block;
    margin-top: 5px;
    font-size: 1rem;
    color: var(--text-muted);
    min-height: 1em;
}

.lineage-lang-detect-msg.override {
    color: var(--warning-color, #f59e0b);
}

.lineage-flow-list-footer {
    border-top: 1px solid var(--border-color);
    padding: 6px 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.lineage-flow-action-btn {
    font-size: 1rem;
    font-family: inherit;
    letter-spacing: 0.02em;
    color: var(--text-secondary);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    padding: 4px 6px;
    cursor: pointer;
    text-align: center;
    transition: border-color 0.1s;
}

.lineage-flow-action-btn:hover { border-color: var(--border-hover); color: var(--text-primary); }

/* ── Diagram area: breadcrumb + levels ── */
.lineage-diagram-header {
    height: 38px;
    padding: 0 12px;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.lineage-diagram-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.02em;
}

.lineage-breadcrumb-sep { color: var(--border-color); font-size: 1rem; }

.lineage-breadcrumb-item {
    font-size: 1rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 2px 8px;
    border-radius: 10px;
    transition: background-color 0.1s;
}

.lineage-breadcrumb-item:hover { color: var(--text-secondary); }

.lineage-breadcrumb-item.active {
    color: var(--accent-color);
    background-color: var(--accent-color-alpha);
}

.lineage-edit-code-btn {
    margin-left: auto;
    font-size: 1rem;
    font-family: inherit;
    letter-spacing: 0.02em;
    color: var(--text-secondary);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    padding: 3px 9px;
    cursor: pointer;
}

.lineage-edit-code-btn:hover { border-color: var(--border-hover); color: var(--text-primary); }

.lineage-send-canvas-btn {
    font-size: 1rem;
    font-family: inherit;
    letter-spacing: 0.02em;
    color: var(--accent-color);
    background-color: var(--accent-color-alpha);
    border: 1px solid var(--accent-color);
    border-radius: 3px;
    padding: 3px 9px;
    cursor: pointer;
}

.lineage-send-canvas-btn:hover { opacity: 0.8; }

.lineage-diagram-body {
    flex: 1;
    position: relative;
    overflow: hidden;
    cursor: grab;
}

.lineage-diagram-body.panning { cursor: grabbing; }

.lineage-stage-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    transform-origin: 0 0;
}

.lineage-empty-state {
    color: var(--text-muted);
    font-size: 1rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

.lineage-empty-state .lineage-new-btn {
    font-family: inherit;
    font-size: 1rem;
    padding: 6px 16px;
    background-color: var(--accent-color);
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

/* ── Level 1: Overview ── */
.lineage-level1 {
    display: flex;
    align-items: center;
    gap: 32px;
    padding: 24px;
}

.lineage-source-legend {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.lineage-source-legend-label {
    font-size: 1rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 3px;
}

.lineage-source-pill {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 10px;
    background-color: var(--bg-secondary);
    border-radius: 3px;
    border-left: 3px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-secondary);
    transition: border-color 0.1s;
}

.lineage-source-dot {
    width: 8px;
    height: 8px;
    border-radius: 2px;
    flex-shrink: 0;
}

.lineage-flow-arrow {
    color: var(--accent-color);
    font-size: 1.375rem;
    opacity: 0.5;
    flex-shrink: 0;
}

.lineage-target-table {
    background-color: var(--bg-secondary);
    border: 1.5px solid var(--accent-color);
    border-radius: 6px;
    padding: 10px 14px;
    min-width: 170px;
    cursor: pointer;
}

.lineage-target-table:hover { border-color: var(--accent-hover); }

.lineage-target-table-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent-color);
    text-align: center;
    padding-bottom: 6px;
    margin-bottom: 6px;
    border-bottom: 1px solid var(--border-color);
    letter-spacing: 0.03em;
}

.lineage-target-field-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 2px 5px;
    border-radius: 2px;
    margin-bottom: 3px;
    font-size: 1rem;
    color: var(--text-primary);
}

.lineage-target-field-row span { white-space: nowrap; }

.lineage-target-table-hint {
    text-align: center;
    font-size: 1rem;
    color: var(--text-muted);
    margin-top: 8px;
    letter-spacing: 0.02em;
}

/* ── Level 2: Flow View ── */
.lineage-level2 {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    flex-wrap: wrap;
}

.lineage-source-stack {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.lineage-source-block {
    padding: 6px 12px;
    background-color: var(--bg-secondary);
    border-radius: 4px;
    border-left: 3px solid transparent;
    font-size: 1rem;
    font-weight: 600;
}

.lineage-etl-summary {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px 14px;
    min-width: 160px;
    max-width: 220px;
}

.lineage-etl-summary-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 6px;
}

.lineage-etl-summary-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.lineage-etl-summary-list li::before { content: '• '; color: var(--text-muted); }

.lineage-step-detail-link {
    display: block;
    margin-top: 8px;
    font-size: 1rem;
    color: var(--accent-color);
    cursor: pointer;
    text-decoration: none;
}

.lineage-step-detail-link:hover { text-decoration: underline; }

/* ── Level 3: Steps View ── */
.lineage-level3 {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 24px;
}

/* Intermediate table card — same structure as .lineage-target-table */
.lineage-step-table {
    flex-shrink: 0;
    background-color: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    border-radius: 6px;
    padding: 10px 14px;
    min-width: 140px;
}

.lineage-step-table-name {
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    padding-bottom: 6px;
    margin-bottom: 6px;
    border-bottom: 1px solid var(--border-color);
    letter-spacing: 0.03em;
}

/* ── DAG (Steps view) ── */
.lineage-dag-card {
    cursor: default;
    box-sizing: border-box;
}

.lineage-dag-edge-group .lineage-dag-edge-vis {
    stroke-opacity: 0.65;
    transition: stroke-opacity 0.15s, stroke-width 0.15s;
}

.lineage-dag-edge-group:hover .lineage-dag-edge-vis {
    stroke-opacity: 1;
    stroke-width: 2.5px;
}

.lineage-dag-edge-label {
    font-family: inherit;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    pointer-events: none;
    opacity: 0.8;
}

/* Compact op-card for steps that modify rather than create a table (JOIN, FILTER, etc.) */
.lineage-step-op-card {
    flex-shrink: 0;
    background-color: var(--bg-secondary);
    border: 1px dashed var(--border-color);
    border-radius: 6px;
    padding: 8px 12px;
    min-width: 100px;
}

.lineage-step-op-label {
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    padding-bottom: 5px;
    margin-bottom: 5px;
    border-bottom: 1px solid var(--border-color);
    letter-spacing: 0.02em;
}

/* Arrow connector between table cards */
.lineage-step-connector {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0 8px;
    flex-shrink: 0;
    gap: 2px;
    min-width: 64px;
}

.lineage-step-conn-type {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--accent-color);
    white-space: nowrap;
    text-align: center;
}

.lineage-step-conn-sub {
    font-size: 1rem;
    color: var(--text-muted);
    white-space: nowrap;
    max-width: 90px;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: center;
}

.lineage-step-conn-arrow {
    color: var(--accent-color);
    font-size: 1.25rem;
    opacity: 0.6;
    line-height: 1;
}

/* ── About sidebar ── */
.lineage-about-header {
    padding: 8px 10px;
    border-bottom: 1px solid var(--border-color);
}

.lineage-about-title {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    color: var(--text-primary);
}

.lineage-about-body {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.lineage-about-section-label {
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 4px;
}

.lineage-about-section-label.intent    { color: var(--warning-color); }
.lineage-about-section-label.decisions { color: var(--accent-color); }
.lineage-about-section-label.caveats   { color: var(--danger-color); }

.lineage-about-section-content {
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text-secondary);
    background-color: var(--bg-tertiary);
    padding: 6px 8px;
    border-radius: 4px;
    border-left: 2px solid transparent;
    white-space: pre-wrap;
    word-break: break-word;
}

.lineage-about-section-content.intent    { border-left-color: var(--warning-color); }
.lineage-about-section-content.decisions { border-left-color: var(--accent-color); }
.lineage-about-section-content.caveats   { border-left-color: var(--danger-color); }

.lineage-about-textarea {
    width: 100%;
    font-family: inherit;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 6px 8px;
    resize: vertical;
    min-height: 60px;
}

.lineage-about-textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.lineage-about-footer {
    border-top: 1px solid var(--border-color);
    padding: 8px 10px;
}

.lineage-about-edit-btn {
    width: 100%;
    font-family: inherit;
    font-size: 1rem;
    letter-spacing: 0.02em;
    color: var(--text-secondary);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 5px;
    cursor: pointer;
    text-align: center;
}

.lineage-about-edit-btn:hover { border-color: var(--border-hover); color: var(--text-primary); }

/* ── ETL Badge on ERD tables ── */
.etl-badge {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.04em;
    fill: #111113;
}

.etl-badge-bg {
    fill: var(--accent-color);
}

/* ── ETL Code Modal ── */
#lineage-etl-modal .modal-body {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Qlik script editor — highlight layer overrides to match textarea metrics */
.lineage-highlight-layer {
    font-family: 'Google Sans Code', monospace;
    font-size: 1rem;
    line-height: 1.5;
    padding: 10px 12px;
    min-height: 200px;
    background-color: var(--bg-tertiary);
}

/* Bracket-quoted Qlik identifiers [FieldName] */
.qlik-id {
    color: var(--text-primary);
    opacity: 0.75;
    font-style: italic;
}

.lineage-code-textarea {
    width: 100%;
    min-height: 200px;
    font-family: 'Google Sans Code', monospace;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 10px 12px;
    resize: vertical;
}

.lineage-code-textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.lineage-parse-preview {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 10px 12px;
    max-height: 240px;
    overflow-y: auto;
}

.lineage-parse-preview-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.lineage-parse-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 1rem;
}

.lineage-parse-table th {
    text-align: left;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 1rem;
    padding: 3px 6px;
    border-bottom: 1px solid var(--border-color);
}

.lineage-parse-table td {
    padding: 4px 6px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.lineage-parse-table select {
    font-family: inherit;
    font-size: 1rem;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    padding: 2px 4px;
}

/* ── Step hover tooltip ── */
.lineage-code-tooltip {
    display: none;
    position: fixed;
    z-index: 9000;
    max-width: 480px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px 14px;
    box-shadow: 0 6px 24px var(--shadow-color, rgba(0,0,0,0.3));
    pointer-events: none;
}

.lineage-code-tooltip pre {
    margin: 0;
    font-family: 'Google Sans Code', monospace;
    font-size: 1rem;
    line-height: 1.55;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 260px;
    overflow-y: auto;
}

.lineage-link-table-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    color: var(--text-secondary);
}

.lineage-link-table-select {
    font-family: inherit;
    font-size: 1rem;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    padding: 4px 8px;
    flex: 1;
}

.lineage-warning {
    font-size: 1rem;
    color: var(--warning-color);
    background-color: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--warning-color);
    border-radius: 4px;
    padding: 6px 10px;
}