.flowboard-shell,
.flowboard-definition-list,
.flow-debug-shell {
    --flowboard-surface: var(--rz-base-background-color);
    --flowboard-panel: var(--rz-panel-background-color, var(--rz-base-background-color));
    --flowboard-border: var(--rz-base-300);
    --flowboard-muted: var(--rz-text-secondary-color, var(--rz-base-600));
    --flowboard-grid: color-mix(in srgb, var(--rz-base-300) 22%, transparent);
}

.flowboard-shell {
    display: grid;
    grid-template-columns: minmax(220px, 0.8fr) minmax(520px, 2.6fr) minmax(280px, 1fr);
    gap: 1rem;
    height: max(640px, calc(100vh - 250px));
}

.flowboard-panel,
.flowboard-canvas-frame,
.flowboard-history {
    background: var(--flowboard-panel);
    color: var(--rz-text-color);
    border: 1px solid var(--flowboard-border);
    border-radius: var(--rz-border-radius-2);
}

.flowboard-panel {
    padding: 1rem;
    overflow: auto;
}

.flowboard-panel-title {
    display: flex;
    align-items: center;
    gap: .5rem;
    margin: 0 0 .75rem;
    font-size: 1rem;
}

.flowboard-definition-list,
.flowboard-palette {
    display: grid;
    gap: .5rem;
}

.flowboard-definition,
.flowboard-palette-item {
    width: 100%;
    text-align: left;
    border: 1px solid var(--flowboard-border);
    border-radius: var(--rz-border-radius-1);
    background: var(--flowboard-surface);
    color: var(--rz-text-color);
    padding: .65rem .75rem;
    cursor: pointer;
}

.flowboard-definition:hover,
.flowboard-palette-item:hover,
.flowboard-definition.is-selected {
    border-color: var(--rz-primary);
    box-shadow: inset 3px 0 0 var(--rz-primary);
}

.flowboard-definition-meta,
.flowboard-palette-description,
.flow-node-description,
.flowboard-help {
    color: var(--flowboard-muted);
    font-size: .78rem;
}

.flowboard-palette-item {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    column-gap: .55rem;
}

.flowboard-palette-group {
    margin: 1rem 0 .45rem;
    font-size: .72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--flowboard-muted);
}

.flowboard-palette-group:first-of-type {
    margin-top: .5rem;
}

.flowboard-palette-description {
    grid-column: 2;
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
}

.flowboard-canvas-frame {
    position: relative;
    min-height: 0;
    overflow: hidden;
}

.flowboard-canvas {
    width: 100%;
    height: 100%;
    background-color: var(--flowboard-surface);
    background-image:
        linear-gradient(var(--flowboard-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--flowboard-grid) 1px, transparent 1px);
    background-size: 24px 24px;
}

.flowboard-canvas .drawflow,
.flowboard-canvas .parent-node {
    background: transparent;
}

.flowboard-canvas .drawflow-node.flow-node {
    width: 220px;
    padding: 0;
    border: 1px solid var(--flowboard-border);
    border-radius: var(--rz-border-radius-2);
    background: var(--flowboard-panel);
    color: var(--rz-text-color);
    box-shadow: var(--rz-shadow-2);
}

.flowboard-canvas .drawflow-node.flow-node.selected {
    border-color: var(--rz-primary);
    box-shadow: 0 0 0 2px var(--rz-primary-lighter), var(--rz-shadow-2);
}

.flowboard-canvas .drawflow-node.debug-success {
    border-color: var(--rz-success);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--rz-success) 35%, transparent), var(--rz-shadow-2);
}

.flowboard-canvas .drawflow-node.debug-business-failure {
    border-color: var(--rz-warning);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--rz-warning) 45%, transparent), var(--rz-shadow-2);
}

.flowboard-canvas .drawflow-node.debug-technical-failure {
    border-color: var(--rz-danger);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--rz-danger) 45%, transparent), var(--rz-shadow-2);
}

.flowboard-canvas .drawflow-node.debug-frontier {
    border-color: var(--rz-info);
    animation: flow-debug-pulse 1.4s ease-in-out infinite;
}

.flowboard-canvas .drawflow-node.debug-breakpoint::after {
    content: "pause_circle";
    font-family: "Material Icons";
    position: absolute;
    top: -.7rem;
    right: -.7rem;
    padding: .2rem;
    border-radius: 50%;
    background: var(--rz-warning);
    color: var(--rz-on-warning);
    font-size: 1.25rem;
}

@keyframes flow-debug-pulse {
    50% { box-shadow: 0 0 0 6px color-mix(in srgb, var(--rz-info) 25%, transparent), var(--rz-shadow-2); }
}

@media (prefers-reduced-motion: reduce) {
    .flowboard-canvas .drawflow-node.debug-frontier { animation: none; }
}

.flowboard-canvas .drawflow_content_node {
    padding: 0;
}

.flow-node-heading {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .65rem .75rem;
    border-radius: var(--rz-border-radius-2) var(--rz-border-radius-2) 0 0;
}

.flow-node-heading .rzi {
    font-size: 18px;
    color: inherit;
    flex-shrink: 0;
}

.flow-node-heading-trigger {
    background: var(--rz-primary);
    color: var(--rz-on-primary);
}

.flow-node-heading-action {
    background: var(--rz-secondary);
    color: var(--rz-on-secondary);
}

.flow-node-heading-routing {
    background: var(--rz-info);
    color: var(--rz-on-info);
}

.flow-node-heading-agent {
    background: var(--rz-warning);
    color: var(--rz-on-warning);
}

.flow-node-description {
    padding: .55rem .75rem .7rem;
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
}

.flowboard-hook-details {
    display: grid;
    gap: .25rem;
    margin-bottom: .75rem;
    color: var(--rz-text-color);
}

.flowboard-hook-details span,
.flowboard-hook-details small {
    color: var(--flowboard-muted);
}

.flow-node-comment {
    padding: .45rem .75rem .6rem;
    border-top: 1px dashed var(--flowboard-border);
    color: var(--flowboard-muted);
    font-size: .72rem;
    white-space: pre-line;
    word-break: break-word;
}

.flowboard-canvas .drawflow-node .input,
.flowboard-canvas .drawflow-node .output {
    width: 16px;
    height: 16px;
    border: 2px solid var(--flowboard-panel);
}

.flowboard-canvas .drawflow-node .input {
    background: var(--rz-primary);
}

.flowboard-canvas .drawflow-node .output[data-port-key="success"] {
    background: var(--rz-success);
}

.flowboard-canvas .drawflow-node .output[data-port-key="failure"] {
    background: var(--rz-danger);
}

.flowboard-canvas .connection .main-path {
    stroke: var(--rz-primary);
    stroke-width: 3px;
}

.flowboard-canvas .drawflow-node.flow-node-wide {
    width: 320px;
}

.flow-port-label {
    position: absolute;
    right: 18px;
    top: -4px;
    color: var(--rz-text-color);
    background: var(--flowboard-panel);
    border: 1px solid var(--flowboard-border);
    border-radius: var(--rz-border-radius-1);
    padding: 0 .3rem;
    font-size: .7rem;
    white-space: nowrap;
    max-width: 280px;
    overflow: hidden;
    text-overflow: ellipsis;
    pointer-events: none;
}

.flowboard-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    align-items: center;
    margin-bottom: 1rem;
}

.flowboard-current {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .35rem .75rem;
    margin-left: .5rem;
    border: 1px solid var(--rz-base-300);
    border-radius: var(--rz-border-radius-1);
    color: var(--rz-text-color);
}

.flowboard-inspector .rz-form-field {
    width: 100%;
}

.flowboard-inspector fieldset {
    margin-bottom: .75rem;
}

.flowboard-validation {
    display: grid;
    gap: .4rem;
    margin-bottom: 1rem;
}

.flowboard-history {
    margin-top: 1rem;
    padding: 1rem;
}

.flowboard-run-detail {
    padding: .75rem;
    border: 1px solid var(--flowboard-border);
    border-radius: var(--rz-border-radius-1);
    background: var(--flowboard-surface);
    color: var(--rz-text-color);
}

.flowboard-run-detail summary {
    display: flex;
    align-items: center;
    gap: .5rem;
    cursor: pointer;
}

.flowboard-idle {
    opacity: .35;
    filter: saturate(.5);
    pointer-events: none;
    user-select: none;
    transition: opacity .2s ease;
}

.flow-history-toolbar {
    display: flex;
    align-items: center;
    gap: .75rem;
    margin-bottom: .75rem;
}

.flow-history-shell {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.flow-history-list {
    display: flex;
    flex-direction: column;
    gap: .35rem;
    width: 320px;
    flex-shrink: 0;
}

.flow-history-runs {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: .5rem;
}

.flow-debug-shell {
    display: grid;
    grid-template-columns: minmax(220px, .75fr) minmax(520px, 2.5fr) minmax(300px, 1fr);
    gap: 1rem;
    height: max(640px, calc(100vh - 260px));
}

.flow-debug-list,
.flow-debug-inspector {
    overflow: auto;
}

.flow-debug-queue-item {
    border: 1px solid var(--flowboard-border);
    border-radius: var(--rz-border-radius-1);
    padding: .5rem;
    margin-bottom: .4rem;
    background: var(--flowboard-surface);
    color: var(--rz-text-color);
}

.flow-debug-json-editor {
    width: 100%;
    min-height: 9rem;
    resize: vertical;
    font-family: var(--rz-font-family-monospace, monospace);
}

.flow-debug-json {
    max-height: 24rem;
    overflow: auto;
    white-space: pre-wrap;
    word-break: break-word;
    background: var(--rz-base-100);
    color: var(--rz-base-900);
    border: 1px solid var(--rz-base-300);
    border-radius: var(--rz-border-radius-1);
    padding: .75rem;
}

.flow-history-item-row {
    display: flex;
    align-items: center;
    gap: .5rem;
}

.flow-variable-chips {
    display: flex;
    flex-wrap: wrap;
    gap: .25rem;
}

.flowboard-day-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: .25rem;
}

.flow-directory-picker-row {
    display: flex;
    align-items: center;
    gap: .5rem;
}

.flow-directory-picker-path {
    flex: 1;
    min-width: 0;
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    border: 1px solid var(--rz-base-300);
    border-radius: var(--rz-border-radius-1);
    background: var(--rz-base-background-color);
    color: var(--rz-text-color);
    padding: .3rem .5rem;
}

.flow-directory-picker-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.flow-dir-picker-dialog {
    min-width: 480px;
}

.flow-dir-picker-tree {
    max-height: 50vh;
    overflow: auto;
    border: 1px solid var(--rz-base-300);
    border-radius: var(--rz-border-radius-1);
    background: var(--rz-base-background-color);
    color: var(--rz-text-color);
    padding: .35rem;
}

.flow-dir-row {
    display: flex;
    align-items: center;
    gap: .3rem;
    padding-top: .2rem;
    padding-bottom: .2rem;
    padding-right: .5rem;
    border-radius: var(--rz-border-radius-1);
    cursor: pointer;
}

.flow-dir-row:hover {
    background-color: var(--rz-base-100);
    color: var(--rz-base-900);
}

.flow-dir-row.is-selected {
    background-color: var(--rz-primary);
    color: var(--rz-on-primary);
}

.flow-dir-toggle {
    display: inline-flex;
    align-items: center;
    border: none;
    background: transparent;
    color: inherit;
    padding: 0;
    cursor: pointer;
}

.flow-dir-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.flow-dir-empty {
    padding-top: .1rem;
    padding-bottom: .25rem;
}

.flow-dir-picker-selection {
    flex: 1;
    word-break: break-all;
}

.flow-filter-legend {
    display: grid;
    gap: .2rem;
    color: var(--flowboard-muted);
    font-size: .78rem;
}

.flow-filter-legend code {
    font-family: var(--rz-font-family-monospace, monospace);
    background: var(--rz-base-100);
    color: var(--rz-base-900);
    border: 1px solid var(--rz-base-300);
    border-radius: var(--rz-border-radius-1);
    padding: 0 .3rem;
}

@media (max-width: 1250px) {
    .flowboard-shell {
        grid-template-columns: minmax(200px, .8fr) minmax(480px, 2fr);
        height: auto;
    }

    .flowboard-canvas-frame {
        min-height: 620px;
    }

    .flowboard-inspector {
        grid-column: 1 / -1;
    }

    .flow-debug-shell {
        grid-template-columns: minmax(220px, .75fr) minmax(480px, 2fr);
        height: auto;
    }

    .flow-debug-inspector { grid-column: 1 / -1; }
}