/* =================================================================
   WF Portal — Entity Diagram
   ================================================================= */

/* ── Layout ───────────────────────────────────────────────────────── */

.wf-diagram-layout {
    display: flex;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

/* ── Filter sidebar ───────────────────────────────────────────────── */

.wf-diagram-filter {
    width: 240px;
    min-width: 240px;
    background-color: var(--theme-background);
    border-right: 1px solid var(--theme-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.wf-diagram-filter-header {
    padding: 0.75rem;
    border-bottom: 1px solid var(--theme-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.wf-diagram-filter-header h6 {
    margin: 0;
    font-size: var(--theme-font-size-sm);
    font-weight: 600;
    color: var(--theme-text);
}

.wf-diagram-filter-search {
    padding: 0.5rem 0.6rem;
    border-bottom: 1px solid var(--theme-border);
}
.wf-diagram-filter-search input {
    font-size: var(--theme-font-size-xs);
    padding: 0.3rem 0.5rem;
}

.wf-diagram-filter-items {
    flex: 1;
    overflow-y: auto;
    padding: 0.25rem 0;
}

.wf-diagram-filter-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.3rem 0.75rem;
    font-size: var(--theme-font-size-sm);
    color: var(--theme-text);
    cursor: pointer;
    transition: background-color 120ms ease;
}
.wf-diagram-filter-item:hover {
    background-color: var(--theme-background-hover);
}
.wf-diagram-filter-item input[type="checkbox"] {
    accent-color: var(--theme-primary);
}

.wf-diagram-filter-actions {
    border-top: 1px solid var(--theme-border);
    padding: 0.5rem 0.6rem;
    display: flex;
    gap: 0.35rem;
}
.wf-diagram-filter-actions .btn {
    font-size: var(--theme-font-size-xs);
}

/* ── Canvas ────────────────────────────────────────────────────────── */

.wf-diagram-canvas {
    flex: 1;
    overflow: auto;
    background: var(--theme-background);
}

.diagram-wrapper {
    min-height: 100%;
}
.diagram-canvas-container {
    overflow: auto;
    padding: 8px;
}
.diagram-canvas-container svg {
    display: block;
}

/* ── Selected panel ───────────────────────────────────────────────── */

.selected-panel {
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--theme-border);
    background: var(--theme-background-raised);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    flex-wrap: wrap;
}
.selected-panel-info {
    flex: 1;
    min-width: 200px;
}
.selected-panel-props {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}
.selected-panel-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
    padding: 0.15rem 0.4rem;
    font-size: 0.65rem;
    border-radius: var(--theme-radius-button);
    background-color: var(--theme-background-hover);
    color: var(--theme-text-muted);
}

/* ── Responsive ───────────────────────────────────────────────────── */

@media (max-width: 767.98px) {
    .wf-diagram-layout {
        flex-direction: column;
        height: auto;
    }
    .wf-diagram-filter {
        width: 100%;
        min-width: unset;
        max-height: 30vh;
        border-right: none;
        border-bottom: 1px solid var(--theme-border);
    }
}

/* ── Print ────────────────────────────────────────────────────────── */

@media print {
    @page { size: landscape; margin: 0.5in; }

    .wf-navbar,
    .wf-diagram-filter,
    .selected-panel { display: none !important; }

    .wf-diagram-layout {
        height: auto;
        overflow: visible;
    }
    .wf-diagram-canvas {
        overflow: visible;
        background: #fff;
    }
    .diagram-canvas-container {
        overflow: visible;
        padding: 0;
    }

    /* Light colors for print */
    .dg-node       { fill: #fff !important; stroke: #ccc !important; }
    .dg-hdr,
    .dg-hdr-sel    { fill: #2c3e50 !important; }
    .dg-prop       { fill: #212529 !important; }
    .dg-child      { fill: #1a6b3c !important; }
    .dg-tag        { fill: #6c757d !important; }
    .dg-tag-list   { fill: #1a6b3c !important; }
    .dg-tag-sub    { fill: #e26500 !important; }
    .dg-edge-one   { stroke: #adb5bd !important; }
    .dg-edge-many  { stroke: #1a6b3c !important; }
    .dg-edge-cond  { stroke: #e26500 !important; }
}

/* Phase I: focus-mode banner + interaction hint */

.wf-diagram-focus-hint {
    padding: 0.5rem 0.75rem;
    background: rgba(13, 202, 240, 0.08);
    border-left: 3px solid var(--bs-info, #0dcaf0);
    border-bottom: 1px solid var(--bs-border-color, #dee2e6);
    font-size: 0.85rem;
    color: var(--bs-body-color, #212529);
}

.wf-diagram-help {
    padding: 0.3rem 0.75rem;
    font-size: 0.75rem;
    color: var(--bs-secondary-color, #6c757d);
    background: var(--bs-light, #f8f9fa);
    border-bottom: 1px solid var(--bs-border-color, #dee2e6);
}