/* Shared tokens keep the canvas, controls and dialogs in the same theme. */
.gf-studio, .gf-canvas-wrap[data-canvas-theme="dark"] {
  color-scheme: dark;
  --gf-chrome: var(--surface);
  --gf-chrome-soft: var(--surface-2);
  --gf-surface: var(--surface);
  --gf-panel: var(--surface);
  --gf-surface-soft: var(--surface-2);
  --gf-canvas: var(--bg);
  --gf-minimap-bg: #141414;
  --gf-border: var(--line);
  --gf-border-strong: var(--line-strong);
  --gf-ink: var(--text);
  --gf-secondary: var(--muted);
  --gf-muted: var(--muted);
  --gf-faint: var(--subtle);
  --gf-accent: #83b2ff;
  --gf-accent-ink: #a5c7ff;
  --gf-accent-soft: #293c59;
  --gf-accent-border: #4c6da0;
  --gf-primary: #2965db;
  --gf-primary-hover: #1c53bb;
  --gf-on-primary: #fff;
  --gf-node-fill: var(--surface-2);
  --gf-node-stroke: var(--muted);
  --gf-edge: var(--subtle);
  --gf-grid: var(--line);
  --gf-note-bg: #393526;
  --gf-note-border: #756743;
  --gf-note-ink: #e4d7a7;
  --gf-region-bg: color-mix(in srgb, var(--surface-3) 40%, transparent);
  --gf-region-border: var(--line-strong);
  --gf-region-ink: var(--muted);
  --gf-selected: var(--amber);
  --gf-selection-fill: #83b2ff20;
  --gf-focus-ring: #83b2ff66;
  --gf-success: #41d9a8;
  --gf-warning: #edba67;
  --gf-warning-bg: #3a3021;
  --gf-warning-border: #79603d;
  --gf-danger: #ff99a6;
  --gf-danger-bg: #402931;
  --gf-danger-border: #81505b;
  --gf-floating: color-mix(in srgb, var(--surface) 96%, transparent);
  --gf-action-floating: color-mix(in srgb, var(--surface) 88%, transparent);
  --gf-shadow: #0004;
  --gf-backdrop: color-mix(in srgb, var(--bg) 67%, transparent);
}
.gf-studio[data-theme="light"], .gf-canvas-wrap[data-canvas-theme="light"] {
  color-scheme: light;
  --gf-surface: #fff;
  --gf-panel: #e3e7eb;
  --gf-surface-soft: #e9edf1;
  --gf-chrome: #d5dce3;
  --gf-chrome-soft: #edf0f3;
  --gf-canvas: #f7f8fa;
  --gf-minimap-bg: #eeeeee;
  --gf-border: #b9c3cd;
  --gf-border-strong: #8795a3;
  --gf-ink: #263442;
  --gf-secondary: #425364;
  --gf-muted: #4b5c6d;
  --gf-faint: #5b6c7c;
  --gf-accent: #2965db;
  --gf-accent-ink: #2156ae;
  --gf-accent-soft: #eaf0fc;
  --gf-accent-border: #b8cdef;
  --gf-node-fill: #fff;
  --gf-node-stroke: #4a5d75;
  --gf-edge: #74859b;
  --gf-grid: #ced7e1;
  --gf-note-bg: #fffdf0;
  --gf-note-border: #cec49c;
  --gf-note-ink: #786832;
  --gf-region-bg: #eef3fa88;
  --gf-region-border: #bdcbe0;
  --gf-region-ink: #60748f;
  --gf-selected: #9c7100;
  --gf-selection-fill: #2965db14;
  --gf-focus-ring: #2965db33;
  --gf-success: #00865e;
  --gf-warning: #9a601a;
  --gf-warning-bg: #fff7e9;
  --gf-warning-border: #e0c593;
  --gf-danger: #b23845;
  --gf-danger-bg: #fff0f1;
  --gf-danger-border: #edbec4;
  --gf-floating: #ffffffed;
  --gf-action-floating: #ffffffe8;
  --gf-shadow: #23395424;
  --gf-backdrop: #10203388;
}
/* GRAFCET studio: compact chrome around a scalable engineering canvas. */
body[data-active-page="grafcets"] { height: 100dvh; overflow: hidden; }
body[data-active-page="grafcets"] .shell { height: 100dvh; min-height: 0; }
body[data-active-page="grafcets"] main { min-height: 0; display: flex; flex-direction: column; flex: 1; }
body[data-active-page="grafcets"] .gf-studio { flex: 1; height: auto; min-height: 0; }
.gf-studio { display: flex; flex-direction: column; height: 100%; min-height: 520px; overflow: hidden; border: 1px solid var(--gf-border-strong); border-radius: var(--panel-radius); background: var(--gf-surface); color: var(--gf-ink); font: 12px/1.45 Inter, ui-sans-serif, system-ui, sans-serif; isolation: isolate; }
.gf-studio[hidden], .gf-studio [hidden] { display: none !important; }
.gf-studio *, .gf-studio *::before, .gf-studio *::after { box-sizing: border-box; }
.gf-studio button, .gf-studio input, .gf-studio textarea, .gf-studio select { font: inherit; letter-spacing: normal; transition: none; }
.gf-studio button { display: inline-flex; align-items: center; justify-content: center; gap: 5px; min-height: 30px; padding: 5px 9px; border: 1px solid transparent; border-radius: 5px; color: var(--gf-secondary); background: transparent; cursor: pointer; box-shadow: none; white-space: nowrap; }
.gf-studio button:hover { color: var(--gf-accent-ink); background: var(--gf-accent-soft); border-color: var(--gf-accent-border); }
.gf-studio button:focus-visible, .gf-studio input:focus-visible, .gf-studio textarea:focus-visible, .gf-studio select:focus-visible { outline: 2px solid var(--gf-accent); outline-offset: 2px; }
.gf-studio button:disabled { opacity: .38; cursor: default; }
.gf-studio button.gf-primary { color: var(--gf-on-primary); background: var(--gf-primary); border-color: var(--gf-primary); }
.gf-studio button.gf-primary:hover { background: var(--gf-primary-hover); }
.gf-studio input:not([type="checkbox"]), .gf-studio textarea, .gf-studio select { width: 100%; min-height: 30px; margin: 0; padding: 6px 8px; border: 1px solid var(--gf-border-strong); border-radius: 5px; background: var(--gf-surface); color: var(--gf-ink); box-shadow: none; }
.gf-studio input[type="checkbox"] { width: 14px; height: 14px; margin: 0; accent-color: var(--gf-primary); }
.gf-studio textarea { resize: vertical; min-height: 64px; }
.gf-studio textarea[data-gf-field="document.description"] { min-height: 320px; }
.gf-header { display: flex; align-items: center; gap: 9px; flex: 0 0 52px; padding: 4px 12px; border-bottom: 1px solid var(--gf-border); background: var(--gf-surface); }
.gf-product-brand { display: flex; align-items: center; flex: 1 1 auto; gap: 10px; min-width: 0; }
.gf-brand-wordmark { display: block; width: 108px; height: 40.5px; object-fit: contain; }
.gf-studio[data-theme="light"] .gf-brand-wordmark { filter: invert(1); }
.gf-brand-divider { align-self: stretch; flex: 0 0 1px; background: var(--gf-border); }
.gf-brand-copy { display: flex; flex: 1 1 auto; flex-direction: column; justify-content: center; gap: 1px; min-width: 0; }
.gf-product-name { overflow: hidden; color: var(--gf-ink); font-size: 13px; font-weight: 650; line-height: 16px; text-overflow: ellipsis; white-space: nowrap; }
.gf-document-line { display: flex; align-items: center; gap: 10px; min-width: 0; max-width: 100%; }
.gf-document-location { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--gf-muted); font-size: 11px; font-weight: 550; line-height: 14px; }
.gf-document-location strong { color: inherit; font-weight: inherit; }
.gf-save-status { flex-shrink: 0; color: var(--gf-muted); font-size: 10px; line-height: 14px; white-space: nowrap; }
.gf-save-status[data-state="dirty"] { color: var(--gf-warning); }
.gf-save-status[data-state="conflict"] { color: var(--gf-danger); }
.gf-studio .gf-project-search-trigger { flex: 0 1 250px; min-width: 34px; justify-content: flex-start; gap: 9px; padding: 5px 10px; border-color: var(--gf-border); background: var(--gf-surface-soft); color: var(--gf-muted); }
.gf-project-search-trigger > span { flex: 1; text-align: left; overflow: hidden; text-overflow: ellipsis; }
.gf-project-search-trigger > svg { flex-shrink: 0; }
.gf-project-search-trigger kbd { font: inherit; font-size: 10px; line-height: 1.5; border: 1px solid var(--gf-border-strong); border-radius: 3px; padding: 0 4px; white-space: nowrap; }
.gf-icon-button { width: 30px; font-size: 17px !important; }
.gf-notice { padding: 7px 16px; color: var(--gf-warning); border-bottom: 1px solid var(--gf-warning-border); background: var(--gf-warning-bg); font-size: 11px; display: flex; align-items: center; gap: 10px; }
.gf-notice.is-error { color: var(--gf-danger); background: var(--gf-danger-bg); border-color: var(--gf-danger-border); }
.gf-notice { flex-wrap: wrap; }
.gf-notice > span { flex: 1 1 280px; }
.gf-notice button { flex-shrink: 0; min-height: 28px; padding: 4px 10px; border-color: currentColor; color: inherit; font-weight: 600; }
.gf-workspace { position: relative; display: flex; flex: 1; min-height: 0; overflow: hidden; }
.gf-library { width: 184px; flex: 0 0 184px; border-right: 1px solid var(--gf-border); background: var(--gf-panel); display: flex; flex-direction: column; min-height: 0; overflow: hidden; }
#gfSymbolsPanel { flex: 1; min-height: 0; overflow-y: auto; padding-bottom: 14px; }
.gf-inspector-tabs { display: flex; flex: 0 0 41px; align-items: stretch; padding: 0 9px; border-bottom: 1px solid var(--gf-border); gap: 2px; }
.gf-studio .gf-inspector-tabs button { flex: 1; border-radius: 0; border: 0; border-bottom: 2px solid transparent; padding: 7px 5px; font-size: 11px; color: var(--gf-muted); }
.gf-studio .gf-inspector-tabs button[aria-selected="true"] { color: var(--gf-accent-ink); border-bottom-color: var(--gf-accent); font-weight: 650; }
.gf-panel-caption { display: flex; justify-content: space-between; align-items: center; color: var(--gf-muted); font-size: 9px; font-weight: 700; letter-spacing: .06em; padding: 14px 14px 8px; }
.gf-panel-caption button { min-height: 20px; padding: 0 3px; font-size: 10px; }
.gf-symbols { display: grid; padding: 0 9px; gap: 4px; }
.gf-symbols button { justify-content: flex-start; gap: 11px; min-height: 42px; padding: 8px; border: 1px solid var(--gf-border); background: var(--gf-surface); font-size: 11px; text-align: left; }
.gf-symbols button svg { width: 26px; height: 26px; flex-shrink: 0; stroke: var(--gf-secondary); stroke-width: 1.5; fill: none; }
.gf-symbols button span { flex: 1; }
.gf-symbols button { min-width: 0; width: 100%; }
.gf-symbols button span { min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.gf-studio button > svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.gf-studio .gf-symbols button > svg { width: 26px; height: 26px; }
.gf-symbol-transition-bar { stroke-width: 3; stroke-linecap: butt; }
.gf-symbols kbd { color: var(--gf-faint); font-size: 10px; }
.gf-help-grid kbd { border: 1px solid var(--gf-border); background: var(--gf-surface-soft); border-radius: 3px; padding: 0 4px; }
.gf-library-footer { margin-top: auto; padding: 14px 12px; color: var(--gf-muted); font-size: 9px; display: flex; gap: 6px; align-items: center; }
.gf-small-dot { width: 5px; height: 5px; background: var(--gf-success); border-radius: 50%; }
.gf-library-heading { display: flex; align-items: center; gap: 8px; flex: 0 0 41px; padding: 0 8px 0 14px; border-bottom: 1px solid var(--gf-border); font-size: 11px; font-weight: 650; }
.gf-library-heading > span { flex: 1; }
.gf-studio .gf-library-toggle { flex-shrink: 0; padding: 0; }
.gf-library.is-collapsed { width: 60px; flex-basis: 60px; }
.gf-library.is-collapsed .gf-library-heading { justify-content: center; padding: 0; }
.gf-library.is-collapsed .gf-library-heading > span,
.gf-library.is-collapsed .gf-panel-caption,
.gf-library.is-collapsed .gf-symbols button span,
.gf-library.is-collapsed .gf-symbols kbd { display: none; }
.gf-library.is-collapsed #gfSymbolsPanel { padding-top: 10px; }
.gf-library.is-collapsed .gf-symbols { padding: 0 7px; gap: 5px; }
.gf-library.is-collapsed .gf-symbols button { justify-content: center; gap: 0; height: 44px; padding: 0; }
.gf-document-list { min-height: 60px; max-height: min(50dvh, 420px); overflow: auto; }
.gf-document-list button { width: 100%; display: grid; gap: 2px; text-align: left; justify-content: start; padding: 10px; border: 1px solid var(--gf-border); margin-bottom: 5px; }
.gf-document-list button strong { min-width: 0; max-width: 100%; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 11px; }
.gf-document-list button small { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--gf-muted); font-size: 9px; }
.gf-document-list button.is-active { background: var(--gf-accent-soft); color: var(--gf-accent-ink); }
.gf-center { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.gf-toolbar { overflow-x: auto; overflow-y: hidden; display: flex; align-items: center; gap: 7px; padding: 2px 10px; border-bottom: 1px solid var(--gf-border); flex: 0 0 41px; background: var(--gf-surface); }
.gf-tool-group { flex-shrink: 0; display: flex; gap: 2px; border-right: 1px solid var(--gf-border); padding-right: 7px; }
.gf-tool-group button { flex: 0 0 34px; width: 34px; min-height: 34px; padding: 0; overflow: hidden; font-size: 18px; }
.gf-tool-group button:not(:disabled) { color: var(--gf-secondary); }
.gf-tool-group button:not(:disabled):hover { color: var(--gf-accent-ink); }
.gf-toolbar button > svg { flex-shrink: 0; width: 22px; height: 22px; stroke-width: 1.4; }
.gf-toolbar .gf-icon-surface { fill: color-mix(in srgb, currentColor 7%, transparent); }
.gf-toolbar .gf-icon-accent { stroke: currentColor; }
.gf-toolbar .gf-icon-badge { fill: var(--gf-surface); stroke: currentColor; }
.gf-toolbar .gf-icon-pdf-label { fill: #ff5252; stroke: none; font: 400 6.5px Arial, sans-serif; letter-spacing: 0; }
.gf-toolbar .gf-icon-delete { stroke: #ff5252; stroke-width: 1.2; }
.gf-tool-group button:is([data-gf="delete-selection"], [data-gf="delete-document"]):not(:disabled):hover { color: var(--gf-danger); background: var(--gf-danger-bg); border-color: var(--gf-danger-border); }
.gf-tool-group button[aria-pressed="true"] { background: var(--gf-accent-soft); border-color: var(--gf-accent-border); color: var(--gf-accent-ink); }
.gf-toolbar-spacer { flex: 1; }
.gf-toolbar > button[data-gf="inspector"] { width: 34px; min-height: 34px; padding: 0; }
.gf-toolbar > button { flex-shrink: 0; }
.gf-toolbar::-webkit-scrollbar { height: 4px; }
.gf-canvas-wrap { position: relative; flex: 1; min-height: 180px; overflow: hidden; background: var(--gf-canvas); }
.gf-canvas { display: block; width: 100%; height: 100%; touch-action: none; user-select: none; outline: none; }
.gf-canvas:focus-visible { box-shadow: inset 0 0 0 2px var(--gf-focus-ring); }
.gf-canvas[data-tool="hand"] { cursor: grab; }
.gf-canvas[data-connecting="true"], .gf-canvas[data-tool="step"], .gf-canvas[data-tool="initial"], .gf-canvas[data-tool="transition"], .gf-canvas[data-tool="parallel"], .gf-canvas[data-tool="alternative"] { cursor: crosshair; }
.gf-node { cursor: move; }
.gf-canvas[data-tool="hand"] .gf-edge-hit { cursor: pointer; }
.gf-canvas[data-panning="true"], .gf-canvas[data-panning="true"] .gf-node, .gf-canvas[data-panning="true"] * { cursor: grabbing; }
.gf-node-shape { fill: var(--gf-stage-fill, var(--gf-node-fill)); stroke: var(--gf-stage-border, var(--gf-node-stroke)); stroke-width: 1.7; }
.gf-initial-ring { fill: none; stroke: var(--gf-stage-border, var(--gf-node-stroke)); stroke-width: 1.25; }
.gf-code { font: 600 15px ui-monospace, monospace; fill: var(--gf-stage-text, var(--gf-ink)); }
.gf-action-box { fill: var(--gf-action-floating); stroke: var(--gf-edge); stroke-width: 1; }
.gf-action-text { font: 10px Inter, system-ui, sans-serif; fill: var(--gf-secondary); }
.gf-action-link { stroke: var(--gf-edge); fill: none; }
.gf-action-summary { cursor: pointer; outline: none; }
.gf-action-summary:hover .gf-action-box, .gf-action-summary[aria-expanded="true"] .gf-action-box, .gf-action-summary:focus-visible .gf-action-box { stroke: var(--gf-accent); stroke-width: 1.5; }
.gf-action-badge { fill: var(--gf-accent-soft); }
.gf-action-count { fill: var(--gf-accent-ink); font: 500 10px Inter, system-ui, sans-serif; }
.gf-action-summary[aria-expanded="true"] .gf-action-box { rx: 0; }
.gf-transition-hit { fill: transparent; }
.gf-transition-bar { stroke: var(--gf-line-color, var(--gf-node-stroke)); stroke-width: 3; }
.gf-transition-stem { fill: none; stroke: var(--gf-edge); stroke-width: 1.3; }
.gf-transition-code { fill: var(--gf-title-text, var(--gf-ink)); font: 600 12px Arial, Helvetica, sans-serif; }
.gf-condition { fill: var(--gf-condition-text, var(--gf-secondary)); font: 11px Arial, Helvetica, sans-serif; }
.gf-condition-overline { fill: none; stroke: var(--gf-condition-text, var(--gf-secondary)); stroke-width: .7; }
.gf-condition-empty { opacity: .6; }
.gf-parallel-bar { stroke: var(--gf-line-color, var(--gf-node-stroke)); stroke-width: 2; }
.gf-note-box { fill: var(--gf-annotation-fill, var(--gf-note-bg)); stroke: var(--gf-annotation-border, var(--gf-note-border)); }
.gf-note-text { white-space: pre; font: 10px Arial, Helvetica, sans-serif; fill: var(--gf-annotation-text, var(--gf-note-ink)); }
.gf-note-underline { fill: none; stroke: var(--gf-annotation-text, var(--gf-note-ink)); stroke-linecap: butt; }
.gf-region-box { fill: var(--gf-region-fill, var(--gf-region-bg)); stroke: var(--gf-region-border); stroke-dasharray: 6 4; }
.gf-region-label { fill: var(--gf-region-text, var(--gf-region-ink)); font: 600 11px Inter, system-ui, sans-serif; }
.gf-selection-box { fill: none; stroke: var(--gf-selected); stroke-width: 1.3; stroke-dasharray: 4 3; pointer-events: none; }
.gf-search-highlight { fill: none; stroke: var(--gf-accent); stroke-width: 2.5; vector-effect: non-scaling-stroke; pointer-events: none; }
.gf-diagnostic-badge { cursor: pointer; outline: none; }
.gf-diagnostic-hit { fill: transparent; }
.gf-diagnostic-triangle { fill: var(--gf-warning); stroke: var(--gf-warning-bg); stroke-width: 1.2; }
.gf-diagnostic-exclamation { fill: none; stroke: var(--gf-warning-bg); stroke-width: 2; stroke-linecap: round; }
.gf-diagnostic-badge.is-error .gf-diagnostic-triangle { fill: var(--gf-danger); stroke: var(--gf-danger-bg); }
.gf-diagnostic-badge.is-error .gf-diagnostic-exclamation { stroke: var(--gf-danger-bg); }
.gf-diagnostic-badge:focus-visible .gf-diagnostic-hit, .gf-diagnostic-badge:hover .gf-diagnostic-hit { fill: var(--gf-focus-ring); stroke: var(--gf-accent); stroke-width: 1; }
.gf-diagnostic-count { fill: var(--gf-surface); stroke: var(--gf-border-strong); }
.gf-diagnostic-badge text { fill: var(--gf-ink); font: 8px Arial, sans-serif; pointer-events: none; }
.gf-studio .gf-canvas-issues { position: absolute; top: 12px; right: 12px; z-index: 2; min-height: 29px; padding: 5px 9px; gap: 7px; background: var(--gf-floating); color: var(--gf-warning); border-color: var(--gf-warning-border); box-shadow: 0 2px 7px var(--gf-shadow); font-size: 11px; }
.gf-studio .gf-canvas-issues.is-error { color: var(--gf-danger); border-color: var(--gf-danger-border); }
.gf-canvas-issues svg { width: 16px; height: 16px; }
.gf-diagnostic-popover { position: fixed; z-index: 80; border: 1px solid var(--gf-border-strong); border-radius: 8px; overflow: auto; overscroll-behavior: contain; background: var(--gf-surface); color: var(--gf-ink); box-shadow: 0 8px 28px var(--gf-shadow); outline: none; font: inherit; }
.gf-diagnostic-popover:focus-visible { outline: 2px solid var(--gf-accent); outline-offset: 2px; }
.gf-diagnostic-heading { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 7px 12px; border-bottom: 1px solid var(--gf-border); background: var(--gf-surface-soft); }
.gf-diagnostic-heading strong { font-size: 12px; }
.gf-studio .gf-diagnostic-heading button { min-width: 26px; min-height: 26px; padding: 1px 5px; font-size: 20px; }
.gf-diagnostic-item { padding: 12px 14px; }
.gf-diagnostic-item + .gf-diagnostic-item { border-top: 1px solid var(--gf-border); }
.gf-diagnostic-level { display: flex; align-items: center; gap: 6px; color: var(--gf-warning); font-size: 10px; font-weight: 650; }
.gf-diagnostic-item.is-error .gf-diagnostic-level { color: var(--gf-danger); }
.gf-diagnostic-level svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.gf-diagnostic-item p { margin: 7px 0 10px; color: var(--gf-secondary); font-size: 12px; line-height: 1.65; overflow-wrap: anywhere; }
.gf-studio .gf-diagnostic-item > button { min-height: 30px; border-color: var(--gf-accent-border); background: var(--gf-accent-soft); color: var(--gf-accent-ink); font-size: 11px; white-space: normal; text-align: left; }
.gf-diagnostic-item .gf-field { margin-block: 10px; }
.gf-node.is-connecting .gf-node-shape { stroke: var(--gf-accent); }
.gf-port { fill: var(--gf-node-fill); stroke: var(--gf-accent); stroke-width: 1.5; opacity: 0; cursor: crosshair; }
.gf-kind-step .gf-port { fill: var(--gf-stage-fill, var(--gf-node-fill)); stroke: var(--gf-stage-border, var(--gf-node-stroke)); }
.gf-port-in { pointer-events: none; }
.gf-node:hover .gf-port-out, .gf-node.is-selected .gf-port-out { opacity: 1; }
.gf-canvas[data-connecting="true"] .gf-port { opacity: 0; pointer-events: none; }
.gf-canvas[data-connecting="true"] .gf-port.is-origin { opacity: 1; }
.gf-canvas[data-connecting="true"] .gf-port.is-target { opacity: 1; pointer-events: all; fill: var(--gf-accent-soft); stroke-width: 2; }
.gf-canvas[data-connecting="true"] .gf-port.is-hovered { fill: var(--gf-accent); stroke-width: 3; }
.gf-edge-hit { stroke: transparent; stroke-width: 14; fill: none; cursor: pointer; }
.gf-edge-line, .gf-edge-turn-arrow { stroke: var(--gf-edge); stroke-width: 1.4; fill: none; pointer-events: none; }
.gf-edge-turn-arrow { stroke-linejoin: round; stroke-linecap: round; }
.gf-reference-circle { fill: var(--gf-canvas); stroke: var(--gf-edge); stroke-width: 1.4; cursor: pointer; }
.gf-reference-label { fill: var(--gf-ink); font: 600 12px ui-monospace, monospace; pointer-events: none; }
.gf-edge.is-selected .gf-reference-circle { stroke: var(--gf-selected); stroke-width: 2.3; }
.gf-edge.is-selected .gf-edge-line, .gf-edge.is-selected .gf-edge-turn-arrow { stroke: var(--gf-selected); stroke-width: 2.3; }
.gf-edge-bend-hit { fill: none; stroke: transparent; stroke-width: 14; vector-effect: non-scaling-stroke; pointer-events: stroke; cursor: ew-resize; }
.gf-edge-route-grip { cursor: ew-resize; }
.gf-edge-bend-hit[data-gf-route-axis="y"], .gf-edge-route-grip[data-gf-route-axis="y"] { cursor: ns-resize; }
.gf-edge-corner { cursor: move; }
.gf-edge-corner-hit { fill: transparent; pointer-events: all; }
.gf-edge-corner rect { vector-effect: non-scaling-stroke; fill: var(--gf-surface); stroke: var(--gf-selected); stroke-width: 1.2; pointer-events: none; }
.gf-edge-route-grip rect { fill: var(--gf-surface); stroke: var(--gf-selected); stroke-width: 1.2; }
.gf-edge-route-grip path { fill: none; stroke: var(--gf-selected); stroke-width: 1; pointer-events: none; }
.gf-canvas[data-routing="true"], .gf-canvas[data-routing="true"] * { cursor: ew-resize !important; }
.gf-canvas[data-routing="true"][data-route-axis="y"], .gf-canvas[data-routing="true"][data-route-axis="y"] * { cursor: ns-resize !important; }
.gf-canvas[data-routing="true"][data-route-axis="xy"], .gf-canvas[data-routing="true"][data-route-axis="xy"] * { cursor: move !important; }
.gf-wire-preview { stroke: var(--gf-accent); stroke-dasharray: 6 4; fill: none; pointer-events: none; }
.gf-marquee { fill: color-mix(in srgb, var(--gf-selected) 12%, transparent); stroke: var(--gf-selected); stroke-width: 1; }
.gf-empty-canvas { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; align-items: center; pointer-events: none; color: var(--gf-muted); }
.gf-empty-symbol { color: var(--gf-faint); font-size: 52px; margin-bottom: 12px; }
.gf-empty-canvas strong { font-size: 16px; font-weight: 550; color: var(--gf-muted); }
.gf-empty-canvas p { text-align: center; font-size: 12px; margin: 9px 0 15px; line-height: 1.8; }
.gf-empty-canvas button { pointer-events: auto; border-color: var(--gf-accent-border); background: var(--gf-surface); color: var(--gf-accent-ink); font-size: 11px; }
.gf-canvas-controls { position: absolute; left: 16px; bottom: 16px; display: flex; flex-direction: column; align-items: flex-start; gap: 8px; max-width: calc(100% - 32px); pointer-events: none; }
.gf-canvas-controls > * { pointer-events: auto; }
.gf-zoom-controls { display: flex; align-items: center; flex-wrap: wrap; row-gap: 3px; max-width: 100%; padding: 3px; border: 1px solid var(--gf-border); background: var(--gf-floating); border-radius: 8px; box-shadow: 0 3px 12px var(--gf-shadow); }
.gf-canvas-controls button { min-height: 26px; padding: 3px 8px; font-size: 11px; }
.gf-canvas-controls [data-gf="compact"] { display: inline-flex; align-items: center; gap: 5px; min-height: 30px; padding: 5px 9px; border: 1px solid var(--gf-border); background: var(--gf-floating); border-radius: 8px; box-shadow: 0 3px 12px var(--gf-shadow); }
.gf-canvas-controls [data-gf="compact"] svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.gf-canvas-controls [data-gf="zoom-out"], .gf-canvas-controls [data-gf="zoom-in"] { font-size: 17px; }
.gf-zoom-controls > span { width: 1px; height: 15px; background: var(--gf-border); margin: 0 4px; }
.gf-minimap { --gf-minimap-width: 130px; --gf-minimap-scale: 1; position: absolute; right: 14px; bottom: 14px; display: flex; flex-direction: column; width: calc(var(--gf-minimap-width) * var(--gf-minimap-scale)); height: calc(94px * var(--gf-minimap-scale)); max-width: calc(100% - 16px); max-height: calc(100% - 16px); border: 1px solid var(--gf-border); border-radius: 7px; background: var(--gf-floating); box-shadow: 0 3px 12px var(--gf-shadow); overflow: hidden; }
.gf-minimap.is-enlarged { --gf-minimap-scale: 2; }
.gf-minimap.is-floating { right: auto; bottom: auto; z-index: 8; }
.gf-minimap-heading { display: flex; align-items: center; justify-content: space-between; gap: 4px; flex: 0 0 20px; padding: 0 3px 0 8px; color: var(--gf-muted); cursor: grab; touch-action: none; user-select: none; }
.gf-minimap.is-dragging .gf-minimap-heading { cursor: grabbing; }
.gf-minimap-heading:focus-visible { outline: 2px solid var(--gf-accent); outline-offset: -2px; }
.gf-minimap-heading > span { font-size: 7px; letter-spacing: .09em; white-space: nowrap; }
.gf-studio .gf-minimap-toggle { flex: 0 0 18px; width: 18px; height: 18px; min-height: 18px; padding: 2px; border: 0; border-radius: 3px; color: var(--gf-muted); }
.gf-minimap-toggle > svg { display: block; width: 13px; height: 13px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.gf-minimap > svg { display: block; width: 100%; height: 0; min-height: 0; flex: 1; cursor: crosshair; padding: 5px; background: var(--gf-minimap-bg); }
.gf-sheet-bar { display: flex; align-items: center; flex: 0 0 34px; border-top: 1px solid var(--gf-border); background: var(--gf-panel); min-width: 0; }
.gf-sheets { display: flex; overflow: auto; min-width: 0; }
.gf-sheet-bar > button { flex: 0 0 32px; min-width: 32px; height: 30px; padding: 5px; margin-left: 3px; }
.gf-sheet-paste svg { display: block; width: 18px; height: 18px; margin: auto; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.gf-sheets button { border-radius: 0; border: 0; border-right: 1px solid var(--gf-border); padding: 6px 14px; min-height: 33px; font-size: 10px; }
.gf-sheets button[aria-selected="true"] { background: var(--gf-surface); color: var(--gf-accent-ink); box-shadow: inset 0 2px var(--gf-accent); }
.gf-studio .gf-sheet-issue-count { display: inline-flex; align-items: center; justify-content: center; min-width: 18px; height: 18px; margin-left: 4px; padding: 0 4px; border: 1px solid var(--gf-warning-border); border-radius: 9px; background: var(--gf-warning-bg); color: var(--gf-warning); font-size: 9px; font-weight: 650; line-height: 1; }
.gf-studio .gf-sheet-issue-count.is-error { background: var(--gf-danger-bg); border-color: var(--gf-danger-border); color: var(--gf-danger); }
.gf-sheet-hover-preview { position: fixed; z-index: 85; width: min(390px,calc(100vw - 16px)); max-height: calc(100dvh - 16px); overflow: auto; padding: 10px; border: 1px solid var(--gf-border-strong); border-radius: 8px; color: var(--gf-ink); background: var(--gf-surface); box-shadow: 0 8px 28px var(--gf-shadow); }
.gf-sheet-preview-heading { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-width: 0; margin-bottom: 8px; }
.gf-sheet-preview-heading > strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 11px; }
.gf-sheet-preview-status { flex: none; padding: 2px 7px; border: 1px solid var(--gf-border); border-radius: 10px; color: var(--gf-muted); background: var(--gf-surface-soft); font-size: 9px; line-height: 1.4; }
.gf-sheet-preview-status.is-clean { border-color: var(--gf-success); color: var(--gf-success); }
.gf-sheet-preview-status.is-warning,.gf-sheet-preview-status.is-pending { border-color: var(--gf-warning-border); color: var(--gf-warning); }
.gf-sheet-preview-status.is-error,.gf-sheet-preview-status.is-failed { border-color: var(--gf-danger-border); color: var(--gf-danger); }
.gf-sheet-preview-surface { height: clamp(130px,20dvh,190px); min-height: 110px; border: 1px solid var(--gf-border); border-radius: 5px; background: var(--gf-canvas); }
.gf-sheet-preview-surface > svg { display: block; width: 100%; height: 100%; }
.gf-sheet-preview-empty { position: absolute; inset: 0; display: grid; place-items: center; color: var(--gf-muted); font-size: 10px; }
.gf-sheet-hover-preview > small { display: block; margin-top: 7px; color: var(--gf-muted); font-size: 9px; text-align: right; }
.gf-sheet-hint { margin-left: auto; padding: 0 12px; color: var(--gf-muted); font-size: 9px; white-space: nowrap; }
.gf-inspector { --gf-inspector-default-width: 277.2px; display: flex; flex-direction: column; flex: 0 0 var(--gf-inspector-custom-width, var(--gf-inspector-default-width)); width: var(--gf-inspector-custom-width, var(--gf-inspector-default-width)); min-height: 0; overflow: hidden; border-left: 1px solid var(--gf-border); background: var(--gf-surface); }
.gf-studio .inspector-column-resize { z-index: 5; }
.gf-studio .inspector-column-resize::after { inset: 0 3px; }
.gf-studio .inspector-column-resize:hover::after, .gf-studio .inspector-column-resize:focus-visible::after, .gf-studio .inspector-column-resize.is-resizing::after { background: var(--gf-accent); }
#gfInspectorContent { flex: 1; min-height: 0; overflow: auto; padding: 14px; }
#gfInspectorContent.gf-inspector-overview { padding: 0; }
.gf-property-section + .gf-property-section { margin-top: 14px; border-top: 1px solid var(--gf-border-strong); }
.gf-property-section > .gf-inspector-heading { min-height: 41px; margin: 0; padding: 10px 14px; border-bottom: 1px solid var(--gf-border); background: var(--gf-surface-soft); }
.gf-property-section-body { padding: 14px; }
.gf-property-section-body > :last-child { margin-bottom: 0; }
.gf-field { display: flex; flex-direction: column; gap: 5px; margin-bottom: 13px; color: var(--gf-muted); font-size: 10px; }
.gf-field > span { font-weight: 600; }
.gf-field small, .gf-inspector-help { color: var(--gf-muted); font-size: 10px; line-height: 1.7; }
.gf-field-row { display: flex; gap: 9px; }
.gf-field-row > .gf-field { flex: 1; min-width: 0; }
.gf-field-check { flex-direction: row; align-items: center; gap: 8px; }
.gf-stage-editor { min-width: 0; }
.gf-studio .gf-stage-editor input::placeholder { color: var(--gf-faint); opacity: .6; }
.gf-stage-title { fill: var(--gf-title-text, var(--gf-ink)); font: 600 12px Arial, Helvetica, sans-serif; }
.gf-stage-action-text { fill: var(--gf-ink); font: 10px Arial, Helvetica, sans-serif; white-space: pre; }
.gf-stage-action :is(.gf-action-box, .gf-action-qualifier-box) { fill: var(--gf-action-fill, var(--gf-action-floating)); stroke: var(--gf-action-border, var(--gf-edge)); }
.gf-stage-action .gf-stage-action-text { fill: var(--gf-action-text, var(--gf-ink)); }
.gf-stage-action .gf-action-link { stroke: var(--gf-action-border, var(--gf-edge)); }
.gf-stage-action { cursor: pointer; }
.gf-action-condition-box { fill: var(--gf-surface-soft); stroke: var(--gf-edge); stroke-width: 1; }
.gf-stage-action .gf-action-condition-box { fill: var(--gf-action-fill, var(--gf-surface-soft)); stroke: var(--gf-action-border, var(--gf-edge)); }
.gf-stage-action:hover .gf-action-box, .gf-stage-action:focus .gf-action-box { stroke: var(--gf-action-border, var(--gf-accent)); }
.gf-stage-action:focus { outline: none; }
.gf-stage-action .gf-action-qualifier { font-size: 12px; font-weight: 700; }
.gf-action-time { font-variant-numeric: tabular-nums; }
.gf-field .gf-action-time-error { color: var(--gf-danger); }
.gf-stage-editor input[aria-invalid="true"] { border-color: var(--gf-danger); }
.gf-action-ladder-status { display: flex; align-items: center; gap: 6px; min-height: 15px; margin-top: 3px; color: var(--gf-muted); font-size: 9px; font-weight: 400; line-height: 1.4; }
.gf-action-ladder-status::before { content: ""; flex: 0 0 auto; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.gf-action-ladder-status.is-success { color: var(--gf-success); }
.gf-action-ladder-status.is-warning { color: var(--gf-warning); }
.gf-action-editor-heading { display: flex; align-items: center; justify-content: space-between; gap: 8px; border-top: 1px solid var(--gf-border); padding-top: 16px; margin: 2px 0 8px; }
.gf-action-editor-heading strong { color: var(--gf-ink); font-size: 12px; }
.gf-action-editor-heading strong span { color: var(--gf-muted); font-weight: 400; font-size: 10px; margin-left: 5px; }
.gf-action-editor-list { display: grid; gap: 7px; }
.gf-action-editor-item { border: 1px solid var(--gf-border); border-radius: 5px; min-width: 0; overflow: hidden; }
.gf-action-editor-header { position: relative; background: var(--gf-surface-soft); }
.gf-action-editor-item[data-expanded="true"] .gf-action-editor-header { border-bottom: 1px solid var(--gf-border-strong); }
.gf-studio .gf-action-editor-summary { display: grid; grid-template-columns: 23px minmax(0, 1fr) 10px 24px; align-items: center; width: 100%; min-width: 0; gap: 4px 6px; padding: 8px; text-align: left; border: 0; border-radius: 0; background: transparent; }
.gf-action-editor-summary [data-gf-action-name] { min-width: 0; color: var(--gf-ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gf-action-editor-summary small { grid-column: 1 / -1; display: block; min-width: 0; line-height: 1.4; white-space: normal; overflow-wrap: anywhere; }
.gf-action-editor-chevron { grid-column: 3; color: var(--gf-muted); text-align: center; }
.gf-action-editor-number { display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; min-width: 23px; min-height: 24px; border: 1px solid var(--gf-border-strong); border-radius: 3px; color: var(--gf-muted); font-size: 10px; font-variant-numeric: tabular-nums; }
.gf-studio .gf-action-editor-trash { position: absolute; top: 8px; right: 8px; width: 24px; height: 24px; min-height: 24px; padding: 4px; border-radius: 4px; color: var(--gf-danger); }
.gf-studio .gf-action-editor-trash > svg { width: 14px; height: 14px; }
.gf-studio .gf-action-editor-trash:hover { color: var(--gf-danger); border-color: var(--gf-danger-border); background: var(--gf-danger-bg); }
.gf-action-editor-body { padding: 12px 10px 10px; }
.gf-action-editor-body[hidden] { display: none; }
.gf-action-editor-body .gf-field { margin-bottom: 11px; }
.gf-action-type-heading { display: flex; align-items: center; justify-content: space-between; gap: 6px; }
.gf-action-type-heading label { font-weight: 600; }
.gf-studio .gf-action-type-heading .gf-inspector-info { width: 18px; height: 18px; min-height: 18px; padding: 2px; }
.gf-studio .gf-action-removed button { min-height: 26px; padding: 3px 5px; font-size: 10px; }
.gf-action-removed { display: flex; align-items: center; justify-content: space-between; gap: 6px; margin-bottom: 7px; color: var(--gf-muted); font-size: 10px; }
.gf-inspector-heading { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.gf-inspector-heading strong { font-size: 12px; font-weight: 650; }
.gf-inspector-heading > span { border: 1px solid var(--gf-accent-border); border-radius: 4px; padding: 2px 6px; color: var(--gf-accent-ink); font-size: 9px; }
.gf-inspector-actions { display: flex; gap: 5px; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--gf-border); flex-wrap: wrap; }
.gf-inspector-actions button { font-size: 10px; border-color: var(--gf-border); }
.gf-junction-heading { display: flex; align-items: center; gap: 5px; min-height: 22px; margin-bottom: 8px; color: var(--gf-muted); font-size: 10px; }
.gf-junction-heading > label, .gf-junction-heading > strong { font-weight: 600; }
.gf-studio .gf-inspector-info { flex: none; width: 22px; height: 22px; min-height: 22px; padding: 3px; border-radius: 4px; color: var(--gf-faint); }
.gf-studio .gf-inspector-info > svg { width: 15px; height: 15px; stroke-width: 1.4; }
.gf-junction-type .gf-inspector-info { margin-left: auto; }
.gf-junction-branches { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--gf-border); }
.gf-branch-count { margin-left: auto; border: 1px solid var(--gf-border-strong); border-radius: 4px; padding: 2px 6px; color: var(--gf-muted); font-size: 9px; font-variant-numeric: tabular-nums; }
.gf-branch-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
.gf-studio .gf-branch-actions button { min-width: 0; min-height: 34px; padding: 6px; border-color: var(--gf-border-strong); font-size: 10px; }
.gf-studio .gf-branch-actions button > svg { flex: none; width: 15px; height: 15px; stroke-width: 1.4; }
.gf-studio .gf-branch-actions .gf-branch-add { color: var(--gf-accent-ink); border-color: var(--gf-accent-border); background: var(--gf-accent-soft); }
.gf-inspector-tooltip { position: fixed; z-index: 70; width: 260px; max-width: calc(100vw - 16px); padding: 11px 12px; border: 1px solid var(--gf-border-strong); border-radius: 6px; color: var(--gf-secondary); background: var(--gf-surface); box-shadow: 0 8px 24px var(--gf-shadow); font-size: 11px; line-height: 1.65; white-space: pre-line; }
.gf-appearance { margin: 18px 0; padding: 14px 0; border-block: 1px solid var(--gf-border); }
#gfInspectorAppearance .gf-appearance { margin: 0; padding: 0; border: 0; }
#gfInspectorAppearance .gf-appearance-heading { display: none; }
.gf-appearance-target select { width: 100%; min-width: 0; }
.gf-junction-controls + .gf-appearance { margin: 16px 0 0; padding-bottom: 0; border-bottom: 0; }
.gf-appearance-heading { display: flex; align-items: center; gap: 7px; margin-bottom: 10px; color: var(--gf-muted); font-size: 11px; }
.gf-appearance svg, .gf-color-palette svg { flex: none; width: 17px; height: 17px; stroke: currentColor; stroke-width: 1.4; stroke-linejoin: round; stroke-linecap: round; fill: none; }
.gf-color-fields { display: grid; gap: 6px; }
.gf-color-title-link { display: flex; align-items: flex-start; gap: 7px; margin: 2px 4px 7px; color: var(--gf-secondary); font-size: 10px; line-height: 15px; cursor: pointer; }
.gf-studio .gf-color-title-link input { flex: 0 0 14px; min-height: 0; padding: 0; cursor: pointer; }
.gf-studio .gf-color-fields button { width: 100%; gap: 8px; min-height: 35px; padding: 7px 8px; border-color: var(--gf-border-strong); font-size: 10px; border-radius: 4px; }
.gf-color-fields button > span { flex: 1; text-align: left; }
.gf-color-fields button > svg:last-child { width: 12px; height: 12px; }
.gf-color-chip { display: block; flex: 0 0 19px; height: 17px; border-radius: 3px; border: 1px solid var(--gf-border-strong); background: var(--gf-swatch); }
.gf-studio .gf-color-fields button[aria-expanded="true"] { border-color: var(--gf-accent); background: var(--gf-surface-soft); }
.gf-color-presets { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 5px; margin-top: 12px; }
.gf-studio .gf-color-presets button { flex-direction: column; gap: 6px; padding: 8px 2px 5px; border-color: var(--gf-border); border-radius: 4px; font-size: 9px; }
.gf-color-preset-node { position: relative; display: grid; place-items: center; width: 25px; height: 25px; border: 1px solid var(--gf-stage-border); color: var(--gf-stage-text); background: var(--gf-stage-fill); font: 10px ui-monospace, monospace; }
.gf-color-preset-node::after { content: ""; position: absolute; bottom: -3px; left: 9px; width: 5px; height: 5px; border: 1px solid var(--gf-stage-border); background: var(--gf-stage-fill); border-radius: 50%; }
.gf-color-preset-note { width: 36px; border-color: var(--gf-annotation-border); color: var(--gf-annotation-text); background: var(--gf-annotation-fill); }
.gf-color-preset-note::after { display: none; }
.gf-color-preset-action { width: 36px; border-color: var(--gf-action-border); color: var(--gf-action-text); background: var(--gf-action-fill); }
.gf-color-preset-action::after { display: none; }
.gf-color-preset-lines { width: 36px; border: 0; background: transparent; color: var(--gf-line-color, var(--gf-node-stroke)); }
.gf-color-preset-lines::after { display: none; }
.gf-color-preset-lines svg { width: 36px; height: 25px; fill: none; stroke: currentColor; stroke-width: 1.5; }
.gf-color-palette { position: fixed; z-index: 60; width: 284px; max-width: calc(100vw - 16px); max-height: calc(100dvh - 16px); overflow: auto; padding: 12px; color: var(--gf-ink); background: var(--gf-surface); border: 1px solid var(--gf-border-strong); border-radius: 6px; box-shadow: 0 12px 32px var(--gf-shadow); }
.gf-color-heading { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 9px; font-size: 11px; }
.gf-color-heading strong { font-weight: 600; }
.gf-studio .gf-color-heading button { width: 24px; height: 24px; min-height: 24px; padding: 3px; }
.gf-color-modes { display: flex; gap: 14px; border-bottom: 1px solid var(--gf-border); margin-bottom: 11px; }
.gf-studio .gf-color-modes button { padding: 3px 0 7px; border: 0; border-bottom: 1px solid transparent; border-radius: 0; min-height: 27px; font-size: 10px; }
.gf-studio .gf-color-modes button[aria-pressed="true"] { border-bottom-color: var(--gf-accent); color: var(--gf-ink); }
.gf-color-caption { margin: 0 0 8px; font-size: 10px; color: var(--gf-muted); }
.gf-color-grid { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 6px; margin-bottom: 12px; }
.gf-studio .gf-color-grid button { position: relative; width: 100%; min-height: 0; aspect-ratio: 1; padding: 0; border: 1px solid #ffffff18; border-radius: 3px; background: var(--gf-swatch); color: var(--gf-swatch-check); font-size: 13px; }
.gf-studio .gf-color-grid button:hover, .gf-studio .gf-color-grid button[aria-pressed="true"] { background: var(--gf-swatch); box-shadow: 0 0 0 2px var(--gf-surface), 0 0 0 3px var(--gf-muted); }
.gf-color-grid button span { visibility: hidden; }
.gf-color-grid button[aria-pressed="true"] span { visibility: visible; }
.gf-color-hex-row { display: flex; align-items: center; gap: 8px; padding-top: 10px; border-top: 1px solid var(--gf-border); }
.gf-color-current { flex: 0 0 27px; height: 27px; border: 1px solid var(--gf-border-strong); border-radius: 3px; background: var(--gf-current-color); }
.gf-color-hex-row label { font-size: 9px; color: var(--gf-muted); }
.gf-studio .gf-color-hex-row input { flex: 1; min-width: 0; height: 28px; min-height: 28px; padding: 4px 6px; font: 11px ui-monospace, monospace; }
.gf-studio .gf-color-hex-row button { min-height: 27px; padding: 4px; }
.gf-studio .gf-color-default { margin-top: 8px; padding: 4px 0; min-height: 25px; font-size: 10px; color: var(--gf-muted); }
.gf-color-sample { height: 34px; background: var(--gf-current-color); border: 1px solid var(--gf-border); border-radius: 3px; margin-bottom: 10px; }
.gf-color-range { display: grid; grid-template-columns: 1fr auto; margin-bottom: 12px; gap: 5px; font-size: 10px; color: var(--gf-muted); }
.gf-studio .gf-color-range input { grid-column: 1 / -1; appearance: none; width: 100%; height: 6px; min-height: 6px; padding: 0; border: 0; border-radius: 5px; background: var(--gf-range); cursor: ew-resize; }
.gf-color-range input::-webkit-slider-thumb { appearance: none; width: 13px; height: 13px; border: 2px solid var(--gf-surface); border-radius: 50%; background: var(--gf-ink); box-shadow: 0 0 0 1px var(--gf-muted); }
.gf-color-range input::-moz-range-thumb { width: 10px; height: 10px; border: 2px solid var(--gf-surface); border-radius: 50%; background: var(--gf-ink); }
.gf-color-error { margin: 7px 0 0; color: var(--gf-danger); font-size: 10px; }
.gf-color-status { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.gf-studio .gf-danger { color: var(--gf-danger); }
.gf-statusbar { display: flex; align-items: center; gap: 20px; flex: 0 0 25px; padding: 0 12px; border-top: 1px solid var(--gf-border); background: var(--gf-surface-soft); color: var(--gf-muted); font-size: 9px; }
.gf-statusbar > span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gf-status-actions { display: flex; align-items: center; gap: 12px; margin-left: auto; flex-shrink: 0; }
.gf-position { display: flex; align-items: center; gap: 10px; padding-left: 12px; border-left: 1px solid var(--gf-border-strong); }
.gf-position label { display: flex; align-items: center; gap: 5px; }
.gf-studio .gf-position input { width: 35px; min-height: 20px; height: 20px; padding: 0 4px; border-radius: 3px; font-size: 10px; font-variant-numeric: tabular-nums; appearance: textfield; }
.gf-position input::-webkit-inner-spin-button, .gf-position input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.gf-statusbar button { flex-shrink: 0; font-size: 9px; min-height: 22px; padding: 0 4px; }
@media (max-width: 700px) { .gf-statusbar { gap: 6px; padding: 0 6px; } .gf-status-actions { gap: 6px; } .gf-position { gap: 6px; padding-left: 6px; } }
.gf-muted-copy { color: var(--gf-muted); font-size: 10px; padding: 6px 0; }
.gf-dialog { position: fixed; inset: 0; width: min(1000px, calc(100vw - 50px)); max-height: calc(100dvh - 60px); padding: 0; border: 1px solid var(--gf-border-strong); border-radius: 12px; background: var(--gf-surface); color: var(--gf-ink); box-shadow: 0 20px 90px #0005; }
.gf-action-delete-dialog { width: min(420px, calc(100vw - 32px)); }
.gf-action-delete-body { padding: 18px; }
.gf-action-delete-body p { margin: 0; color: var(--gf-muted); font-size: 12px; line-height: 1.6; overflow-wrap: anywhere; }
.gf-action-delete-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; }
.gf-studio .gf-action-delete-actions button { min-height: 34px; padding: 6px 12px; border-color: var(--gf-border-strong); }
.gf-studio .gf-action-delete-actions .gf-danger { border-color: var(--gf-danger-border); background: var(--gf-danger-bg); }
.gf-open-dialog { width: min(640px, calc(100vw - 32px)); max-height: calc(100dvh - 32px); border-radius: var(--panel-radius); }
.gf-open-dialog[open] { display: flex; flex-direction: column; }
.gf-open-body { display: flex; flex-direction: column; gap: 8px; padding: 16px; min-height: 0; }
.gf-open-body .gf-field { margin: 0; }
.gf-open-body .gf-muted-copy { padding: 0; margin: 0; }
.gf-dialog:has(#gfSaveAsForm) { width: min(420px, calc(100vw - 32px)); }
#gfSaveAsForm { display: flex; flex-direction: column; }
#gfSaveAsForm > button { align-self: flex-end; }
.gf-dialog:has(#gfParametersForm) { width: min(420px, calc(100vw - 32px)); }
#gfParametersForm .gf-field { margin-bottom: 10px; }
.gf-numbering-presets { display: flex; gap: 6px; margin-bottom: 14px; }
.gf-numbering-presets button { flex: 1; font-size: 11px; }
.gf-numbering-presets button[aria-pressed="true"] { color: var(--gf-accent-ink); border-color: var(--gf-accent-border); background: var(--gf-accent-soft); }
.gf-numbering-preview { display: block; padding: 12px; border: 1px solid var(--gf-border); border-radius: 5px; background: var(--gf-surface-soft); color: var(--gf-ink); font: 12px/1.5 ui-monospace, monospace; text-align: center; }
.gf-parameters-actions { display: flex; justify-content: flex-end; gap: 6px; margin-top: 18px; }
.gf-save-as-error { color: var(--gf-danger); font-size: 11px; }
.gf-dialog::backdrop { background: var(--gf-backdrop); backdrop-filter: blur(3px); }
.gf-dialog-heading { display: flex; align-items: center; justify-content: space-between; padding: 13px 18px; border-bottom: 1px solid var(--gf-border); margin: 0; }
.gf-dialog-heading strong { font-size: 14px; }
.gf-dialog-heading button { font-size: 20px; }
.gf-project-search-dialog { inset: min(10dvh, 100px) 0 auto; margin: 0 auto; width: min(720px, calc(100vw - 32px)); max-height: calc(90dvh - 20px); overflow: hidden; font: inherit; }
.gf-project-search-dialog[open] { display: flex; flex-direction: column; }
.gf-project-search-dialog .gf-dialog-heading { flex-shrink: 0; }
.gf-project-search-tools { flex-shrink: 0; padding: 16px 18px 10px; background: var(--gf-surface-soft); border-bottom: 1px solid var(--gf-border); }
.gf-project-search-input { position: relative; display: flex; align-items: center; }
.gf-project-search-input > svg { position: absolute; left: 12px; width: 20px; height: 20px; fill: none; stroke: var(--gf-muted); stroke-width: 1.7; pointer-events: none; }
.gf-studio .gf-project-search-input input { min-height: 44px; padding: 10px 36px 10px 42px; font-size: 14px; border-color: var(--gf-accent-border); }
.gf-project-search-input input::placeholder { color: var(--gf-faint); opacity: .8; }
.gf-project-search-filters { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 10px; }
.gf-project-search-filters > div { display: flex; gap: 3px; flex-wrap: wrap; }
.gf-studio .gf-project-search-filters button { min-height: 28px; padding: 3px 8px; font-size: 11px; }
.gf-project-search-filters button[aria-pressed="true"] { background: var(--gf-accent-soft); border-color: var(--gf-accent-border); color: var(--gf-accent-ink); }
.gf-studio .gf-project-search-filters select { flex: 0 0 150px; width: 150px; min-height: 28px; padding: 3px 6px; font-size: 11px; }
.gf-project-search-status { flex-shrink: 0; margin: 0; padding: 9px 18px; color: var(--gf-muted); font-size: 11px; }
.gf-project-search-empty { display: flex; min-height: 180px; flex-direction: column; align-items: center; justify-content: center; gap: 8px; padding: 24px; text-align: center; color: var(--gf-muted); }
.gf-project-search-empty strong { color: var(--gf-ink); font-size: 14px; }
.gf-project-search-empty small { margin-top: 5px; color: var(--gf-faint); }
.gf-project-search-results { min-height: 120px; max-height: min(46dvh, 440px); overflow: auto; overscroll-behavior: contain; padding: 0 8px 8px; }
.gf-project-search-result { display: flex; align-items: center; gap: 12px; min-height: 68px; padding: 11px; border: 1px solid transparent; border-radius: 6px; cursor: pointer; }
.gf-project-search-result[aria-selected="true"] { background: var(--gf-accent-soft); border-color: var(--gf-accent-border); }
.gf-project-search-glyph { flex: 0 0 30px; height: 30px; border: 1px solid var(--gf-border-strong); border-radius: 5px; display: grid; place-items: center; color: var(--gf-accent-ink); font-size: 12px; font-weight: 650; }
.gf-project-search-copy { display: flex; flex: 1; min-width: 0; flex-direction: column; gap: 3px; }
.gf-project-search-copy strong { color: var(--gf-ink); font-size: 12px; font-weight: 550; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gf-project-search-context, .gf-project-search-excerpt { color: var(--gf-muted); font-size: 11px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gf-project-search-excerpt { color: var(--gf-secondary); }
.gf-project-search-copy mark { color: var(--gf-accent-ink); background: color-mix(in srgb, var(--gf-accent) 15%, transparent); border-radius: 2px; padding: 0; font-weight: 650; }
.gf-project-search-type { color: var(--gf-muted); font-size: 10px; flex-shrink: 0; }
.gf-studio .gf-project-search-more { flex-shrink: 0; align-self: center; margin: 4px 0 10px; font-size: 11px; border-color: var(--gf-border); }
.gf-project-search-footer { flex-shrink: 0; display: flex; justify-content: flex-end; gap: 18px; padding: 10px 18px; border-top: 1px solid var(--gf-border); background: var(--gf-surface-soft); color: var(--gf-muted); font-size: 10px; }
.gf-project-search-footer kbd { padding: 1px 4px; border: 1px solid var(--gf-border); border-radius: 3px; background: var(--gf-surface); font: inherit; }
@media (max-width: 700px) {
  .gf-studio .gf-project-search-trigger { flex: 0 0 34px; padding: 6px; justify-content: center; }
  .gf-project-search-trigger :is(span, kbd) { display: none; }
  .gf-project-search-filters { align-items: flex-start; flex-direction: column; gap: 8px; }
  .gf-studio .gf-project-search-filters select { flex-basis: auto; width: 100%; }
  .gf-project-search-type { display: none; }
  .gf-project-search-footer { justify-content: center; gap: 10px; padding-inline: 8px; }
}
#gfDialogBody { padding: 18px; max-height: calc(100dvh - 140px); overflow: auto; }
.gf-pdf-controls { display: flex; flex-wrap: wrap; align-items: end; gap: 10px; margin-bottom: 12px; }
.gf-pdf-controls .gf-field { flex: 1 1 120px; min-width: 100px; margin: 0; }
.gf-pdf-controls button { flex-shrink: 0; }
.gf-pdf-controls .gf-summary-field { min-width: 190px; }
.gf-pdf-preview { width: 100%; height: 57vh; border: 1px solid var(--gf-border); background: var(--gf-surface-soft); border-radius: 6px; }
.gf-help-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 20px; font-size: 12px; }
.gf-help-grid p { margin: 4px 0; }
.gf-dialog code { background: var(--gf-surface-soft); color: var(--gf-accent-ink); padding: 2px 5px; border-radius: 4px; font-size: 11px; }
body[data-active-page="grafcets"] #confirmDialog { z-index: 1001; }

.gf-studio input::placeholder, .gf-studio textarea::placeholder { color: var(--gf-muted); opacity: 1; }
.gf-icon-knob { fill: var(--gf-surface); }
.gf-grid-dot { fill: var(--gf-grid-custom, var(--gf-grid)); }
.gf-arrow { fill: none; stroke: var(--gf-edge); }
.gf-mini-node { fill: var(--gf-edge); }
.gf-mini-region { fill: var(--gf-region-bg); stroke: var(--gf-region-border); }
.gf-mini-viewport { fill: none; stroke: var(--gf-muted); }

.gf-inspector-tabs { min-height: 41px; }
@media (max-width: 1280px) { .gf-library { width: 160px; flex-basis: 160px; } .gf-inspector { --gf-inspector-default-width: 248.6px; } .gf-header { gap: 5px; padding-inline: 8px; } .gf-product-brand { gap: 7px; } .gf-brand-wordmark { width: 98px; height: 36.75px; } .gf-sheet-hint { display: none; } .gf-minimap { --gf-minimap-width: 106px; } }
@media (max-width: 1000px) {
  .gf-inspector { --gf-inspector-default-width: 277.2px; position: absolute; right: 0; top: 41px; bottom: 0; z-index: 4; max-width: calc(100% - 160px); box-shadow: -8px 0 25px var(--gf-shadow); }
  .gf-studio:has(.gf-library.is-collapsed) .gf-inspector { max-width: calc(100% - 60px); }
  .gf-studio { position: relative; }
}
@media (max-width: 700px) { .gf-studio { height: calc(100dvh - 125px); min-height: 460px; } .gf-header { flex-basis: 56px; gap: 5px; padding-inline: 7px; } .gf-product-brand { gap: 7px; } .gf-brand-wordmark { width: 90px; height: 34px; } .gf-product-name { font-size: 12px; line-height: 15px; } .gf-document-line { gap: 6px; } .gf-document-location { max-width: 100%; font-size: 10px; } .gf-save-status { font-size: 9px; } .gf-inspector { top: 46px; } .gf-toolbar { gap: 3px; padding: 4px; flex-basis: 46px; } .gf-tool-group { padding-right: 3px; } .gf-minimap { display: none; } .gf-statusbar #gfEditorHint { display: none; } .gf-pdf-controls { flex-wrap: wrap; } }

/* Shared file explorer for opening and organizing documents. */
.gf-studio .gf-open-dialog { width: min(1000px, calc(100vw - 32px)); }
.gf-open-body { padding: 0; gap: 0; }
.gf-explorer-tools { display: flex; align-items: center; flex-wrap: wrap; gap: 5px; padding: 10px 14px; border-bottom: 1px solid var(--gf-border); }
.gf-explorer-tools button { font-size: 11px; border-color: var(--gf-border); }
.gf-explorer-search { flex: 1; min-width: 180px; margin-left: auto; }
.gf-explorer-layout { display: grid; grid-template-columns: 230px minmax(0, 1fr); min-height: 330px; height: min(55dvh, 480px); }
.gf-folder-tree { border-right: 1px solid var(--gf-border); padding: 8px; overflow: auto; background: var(--gf-panel); }
.gf-folder-tree > button, .gf-folder-row { width: 100%; }
.gf-folder-tree button { justify-content: flex-start; font-size: 11px; border-radius: 3px; }
.gf-folder-tree > button { display: flex; min-height: 32px; margin-bottom: 3px; }
.gf-folder-row { display: flex; align-items: center; padding-left: calc((var(--depth) - 1) * 14px); border-radius: 3px; }
.gf-folder-row > button[data-gf-folder-select] { flex: 1; min-width: 0; padding-left: 2px; }
.gf-folder-tree span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gf-folder-tree small { margin-left: auto; color: var(--gf-muted); }
.gf-folder-tree svg { flex: 0 0 17px; }
:is(.gf-folder-tree, .gf-folder-children) svg { color: #a38c58; }
:is(.gf-folder-tree, .gf-folder-children) svg > path { fill: #bea56a; }
:is(.gf-folder-tree, .gf-folder-children) svg > .gf-icon-surface { fill: #d3be88; }
.gf-studio .gf-folder-chevron { width: 20px; min-width: 20px; padding: 0; justify-content: center; }
.gf-folder-tree [aria-selected="true"], .gf-folder-row.is-active { background: var(--gf-accent-soft); color: var(--gf-accent-ink); }
.gf-explorer-content { min-width: 0; overflow: auto; padding: 10px 14px; }
.gf-folder-breadcrumb { font-size: 11px; color: var(--gf-accent-ink); overflow-wrap: anywhere; padding-bottom: 8px; border-bottom: 1px solid var(--gf-border); }
.gf-folder-children { display: flex; flex-wrap: wrap; gap: 5px; margin: 7px 0; }
.gf-folder-children button { max-width: 100%; overflow: hidden; text-overflow: ellipsis; border-color: var(--gf-border); font-size: 11px; }
.gf-select-documents { display: flex; align-items: center; gap: 8px; font-size: 10px; color: var(--gf-muted); margin: 8px 0; }
.gf-explorer-content .gf-document-list { max-height: none; }
.gf-document-row { display: flex; align-items: center; gap: 8px; padding: 2px 5px; border-bottom: 1px solid var(--gf-border); }
.gf-document-row.is-selected { background: var(--gf-accent-soft); }
.gf-document-row > input { flex-shrink: 0; }
.gf-document-list .gf-document-row button { display: flex; flex: 1; min-width: 0; margin: 0; border: 0; gap: 10px; padding: 7px 3px; }
.gf-document-row button > span { display: grid; min-width: 0; gap: 2px; }
.gf-document-row button > svg { flex: 0 0 20px; height: 24px; }
.gf-explorer-footer { display: flex; align-items: center; gap: 8px; border-top: 1px solid var(--gf-border); padding: 10px 14px; }
.gf-explorer-footer > span { flex: 1; font-size: 10px; }
.gf-open-body > #gfOpenError, .gf-open-body > #gfOpenLoading { padding: 8px 14px; }
.gf-studio .is-drop-target { outline: 2px solid var(--gf-accent); outline-offset: -2px; background: var(--gf-accent-soft); }
.gf-studio .gf-folder-dialog { width: min(440px, calc(100vw - 32px)); }
.gf-folder-form-body { padding: 16px; }
.gf-folder-form-actions { display: flex; justify-content: flex-end; gap: 8px; }
.gf-studio #gfFolderSubmit.gf-danger { color: var(--gf-danger); background: var(--gf-danger-bg); border-color: var(--gf-danger-border); }
.gf-save-folder-row { display: flex; gap: 8px; align-items: flex-end; margin-bottom: 14px; }
.gf-save-folder-row .gf-field { flex: 1; min-width: 0; margin: 0; }
@media (max-width: 600px) {
  .gf-explorer-layout { grid-template-columns: 135px minmax(0, 1fr); min-height: 250px; }
  .gf-explorer-tools { padding: 8px; }
  .gf-explorer-search { flex-basis: 100%; }
  .gf-explorer-content { padding: 8px; }
  .gf-explorer-footer { flex-wrap: wrap; padding: 8px; }
  .gf-explorer-footer > span { flex-basis: 100%; }
  .gf-folder-tree { padding: 4px; }
}

/* Inline annotation formatting stays compact and follows the studio theme. */
.gf-note-format { display: flex; align-items: center; gap: 4px; padding: 5px; border: 1px solid var(--gf-border); border-bottom: 0; border-radius: 5px 5px 0 0; background: var(--gf-panel); }
.gf-note-format select { width: 66px; min-height: 30px; padding: 3px 7px; }
.gf-note-format button { min-width: 32px; min-height: 30px; padding: 3px 8px; }
.gf-note-format button[aria-pressed="true"] { color: var(--gf-accent-ink); border-color: var(--gf-accent); background: var(--gf-accent-soft); }
.gf-note-format button[aria-pressed="mixed"] { border-bottom: 2px solid var(--gf-accent); }
.gf-note-format [data-gf-note-all] { margin-left: auto; font-size: 11px; }
.gf-note-format strong, .gf-note-format em, .gf-note-format u { font-family: Georgia, serif; font-size: 16px; }
#gfNoteText { min-height: 110px; max-height: 340px; overflow: auto; padding: 10px; border: 1px solid var(--gf-border-strong); border-radius: 0 0 5px 5px; background: var(--gf-surface); color: var(--gf-ink); font: 10px/1.35 Arial, Helvetica, sans-serif; white-space: pre-wrap; overflow-wrap: anywhere; cursor: text; }
#gfNoteText:focus { outline: 2px solid var(--gf-accent); outline-offset: 1px; }
#gfNoteText[aria-readonly="true"] { opacity: .65; }
.gf-transition-format { display: flex; align-items: center; gap: 5px; margin: 3px 0 7px; }
.gf-studio .gf-transition-format button { min-width: 30px; min-height: 30px; padding: 4px 7px; border-color: var(--gf-border-strong); }
.gf-studio .gf-transition-format .gf-condition-edge-button { font-size: 17px; padding: 1px 7px; }
.gf-transition-format button[aria-pressed="true"] { color: var(--gf-accent-ink); border-color: var(--gf-accent); background: var(--gf-accent-soft); }
.gf-transition-format button[aria-pressed="mixed"] { border-bottom: 2px solid var(--gf-accent); }
.gf-condition-format-divider { height: 18px; margin: 0 2px; border-left: 1px solid var(--gf-border-strong); }
.gf-condition-negated { text-decoration-line: overline; text-decoration-thickness: 1px; text-decoration-skip-ink: none; }
.gf-transition-format .gf-condition-negated { font-size: 14px; }
#gfTransitionCondition { min-height: 110px; max-height: 360px; overflow: auto; padding: 12px 9px; border: 1px solid var(--gf-border-strong); border-radius: 5px; background: var(--gf-surface); color: var(--gf-ink); font: 11px/1.9 Arial, Helvetica, sans-serif; white-space: pre-wrap; overflow-wrap: anywhere; cursor: text; }
#gfTransitionCondition:focus { outline: 2px solid var(--gf-accent); outline-offset: 1px; }
#gfTransitionCondition:empty::before { content: attr(data-placeholder); color: var(--gf-faint); opacity: .6; pointer-events: none; }
#gfTransitionCondition[aria-readonly="true"] { opacity: .65; }
.gf-transition-syntax-hint { display: block; margin-top: 4px; color: var(--gf-muted); font-size: 9px; line-height: 1.55; }
.gf-transition-syntax-hint strong { color: var(--gf-secondary); }
.gf-transition-syntax-hint code { padding: 1px 3px; border: 1px solid var(--gf-border); border-radius: 3px; color: var(--gf-secondary); background: var(--gf-surface-soft); font: 8px ui-monospace,monospace; white-space: nowrap; }
.gf-transition-ladder-status { display: flex; align-items: center; gap: 6px; min-height: 15px; margin-top: 6px; color: var(--gf-muted); font-size: 9px; line-height: 1.45; }
.gf-transition-ladder-status::before { content: ""; flex: 0 0 auto; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.gf-transition-ladder-status.is-success { color: var(--gf-success); }
.gf-transition-ladder-status.is-warning { color: var(--gf-warning); }
.gf-note-editor { gap: 0; }
.gf-note-editor > label { margin-bottom: 7px; }
.gf-note-editor > small { margin-top: 7px; }

/* Light surfaces distinguish application bars, side panels and editable fields. */
.gf-studio[data-theme="light"] :is(.gf-header, .gf-statusbar, .gf-sheet-bar) { background: var(--gf-chrome); }
.gf-studio[data-theme="light"] :is(.gf-toolbar, .gf-library-heading, .gf-inspector-tabs, .gf-dialog-heading, .gf-explorer-tools, .gf-explorer-footer, .gf-minimap-heading) { background: var(--gf-chrome-soft); }
.gf-studio[data-theme="light"] .gf-library { box-shadow: 2px 0 5px #2339540a; }
.gf-studio[data-theme="light"] .gf-inspector { background: var(--gf-panel); box-shadow: -2px 0 5px #2339540a; }
.gf-studio[data-theme="light"] .gf-property-section > .gf-inspector-heading { background: var(--gf-chrome-soft); }
.gf-studio[data-theme="light"] .gf-color-fields button:not(:hover, [aria-expanded="true"]) { background: var(--gf-surface); }

.gf-edge-menu { position: fixed; z-index: 75; min-width: 210px; max-width: calc(100vw - 16px); padding: 5px; border: 1px solid var(--gf-border-strong); border-radius: 6px; color: var(--gf-ink); background: var(--gf-surface); box-shadow: 0 8px 24px var(--gf-shadow); }
.gf-edge-menu-heading { margin: -5px -5px 5px; padding: 9px 13px; border-bottom: 1px solid var(--gf-border); border-radius: 5px 5px 0 0; background: var(--gf-surface-soft); color: var(--gf-muted); font-size: 11px; font-weight: 600; cursor: default; user-select: none; }
.gf-studio .gf-edge-menu button { width: 100%; justify-content: flex-start; padding: 8px; border: 0; border-radius: 3px; font-size: 11px; }
.gf-studio .gf-edge-menu button:hover, .gf-studio .gf-edge-menu button:focus-visible { color: var(--gf-ink); background: var(--gf-accent-soft); outline: 1px solid var(--gf-accent); }

.gf-studio .gf-edge-menu button { flex-direction: column; align-items: flex-start; gap: 3px; }
.gf-edge-menu button small { color: var(--gf-muted); font-size: 10px; }

.gf-canvas-grid-control { margin: 18px 0 0; padding-top: 14px; border-top: 1px solid var(--gf-border); }

.gf-studio textarea[data-gf-field="sheet.description"] { min-height: calc(12lh + 42px); }
.gf-studio .gf-sheets button.has-appearance { border: 1px solid var(--gf-sheet-border, var(--gf-border)); background: var(--gf-sheet-fill, transparent); color: var(--gf-sheet-text, var(--gf-secondary)); }
.gf-studio .gf-sheets button.has-appearance[aria-selected="true"] { background: var(--gf-sheet-fill, var(--gf-surface)); color: var(--gf-sheet-text, var(--gf-accent-ink)); }
.gf-color-preset-sheet { width: 36px; border-color: var(--gf-sheet-border); color: var(--gf-sheet-text); background: var(--gf-sheet-fill); }
.gf-color-preset-sheet::after { display: none; }

/* Reusable sequence library and placement preview. */
.gf-sequence-caption { margin-top: 16px; border-top: 1px solid var(--gf-border); }
.gf-library.is-collapsed .gf-sequence-caption { display: block; height: 0; font-size: 0; padding: 0; margin: 14px 10px 8px; border-top: 1px solid var(--gf-border); }
.gf-sequence-shortcuts { padding-bottom: 12px; }
.gf-history-shortcut { margin: 8px 9px 0; padding: 12px 0 0; border-top: 1px solid var(--gf-border); }
.gf-library.is-collapsed .gf-history-shortcut { margin: 3px 10px 0; padding: 8px 0 0; }
.gf-sequence-dialog { width: min(1080px, calc(100vw - 32px)); }
.gf-sequence-dialog[open] { display: flex; flex-direction: column; overflow: hidden; }
.gf-sequence-dialog .gf-dialog-heading { flex-shrink: 0; align-items: flex-start; gap: 16px; }
.gf-sequence-heading-copy { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.gf-sequence-heading-copy p { margin: 0; color: var(--gf-muted); font-size: 11px; font-weight: 400; line-height: 1.5; }
.gf-sequence-body { padding: 18px; overflow: auto; min-height: 0; }
.gf-sequence-tools { display: flex; align-items: end; gap: 12px; margin-bottom: 14px; }
.gf-sequence-tools .gf-field { margin: 0; flex: 1; }
.gf-sequence-tools > button { min-height: 38px; border: 1px solid var(--gf-accent-border); background: var(--gf-accent-soft); color: var(--gf-accent-ink); }
.gf-sequence-layout { display: grid; grid-template-columns: minmax(220px, .7fr) minmax(0, 1.3fr); min-height: 420px; max-height: 64dvh; border: 1px solid var(--gf-border); border-radius: 8px; overflow: hidden; }
.gf-sequence-catalog { overflow: auto; background: var(--gf-surface-soft); border-right: 1px solid var(--gf-border); }
.gf-sequence-catalog-heading { display: flex; align-items: center; justify-content: space-between; padding: 8px 12px; color: var(--gf-muted); font-size: 11px; }
.gf-sequence-list { display: grid; gap: 7px; padding: 0 10px 12px; }
.gf-sequence-list button { display: flex; flex-direction: column; align-items: start; gap: 6px; min-width: 0; padding: 12px; text-align: left; white-space: normal; border: 1px solid var(--gf-border); background: var(--gf-surface); }
.gf-sequence-list button[aria-pressed="true"] { background: var(--gf-accent-soft); border-color: var(--gf-accent); }
.gf-sequence-list strong { font-size: 12px; overflow-wrap: anywhere; }
.gf-sequence-list span { color: var(--gf-muted); font-size: 11px; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }
.gf-sequence-list small, .gf-sequence-stats { font-size: 10px; color: var(--gf-secondary); }
.gf-sequence-detail { display: flex; flex-direction: column; min-height: 0; overflow: auto; }
.gf-sequence-detail-heading { flex-shrink: 0; padding: 16px 18px 12px; }
.gf-sequence-detail-heading h3 { color: var(--gf-ink); margin: 0 0 6px; font-size: 15px; overflow-wrap: anywhere; }
.gf-sequence-detail-heading p { white-space: pre-wrap; overflow-wrap: anywhere; margin: 0 0 10px; color: var(--gf-muted); font-size: 12px; max-height: 100px; overflow: auto; }
.gf-sequence-preview { background: var(--gf-canvas); min-height: 200px; flex: 1; overflow: hidden; }
.gf-sequence-preview > svg { display: block; width: 100%; height: 100%; min-height: 230px; max-height: 38dvh; }
.gf-sequence-detail > .gf-sequence-preview { flex: 1 1 240px; min-height: 120px; }
.gf-sequence-detail > .gf-sequence-preview > svg { min-height: 0; max-height: none; }
.gf-sequence-preview .gf-node { pointer-events: none; }
.gf-sequence-options { flex-shrink: 0; padding: 12px 18px 0; font-size: 11px; }
.gf-sequence-options label { display: flex; gap: 8px; align-items: center; color: var(--gf-ink); }
.gf-sequence-options p { color: var(--gf-muted); line-height: 1.6; margin-block: 9px; }
.gf-sequence-detail-actions { display: flex; flex-shrink: 0; justify-content: flex-end; align-items: center; gap: 8px; flex-wrap: wrap; padding: 16px 20px 20px; border-top: 1px solid var(--gf-border); }
.gf-sequence-detail-actions button { min-height: 34px; font-size: 11px; border: 1px solid var(--gf-border); }
.gf-sequence-detail-actions .gf-primary { margin-left: auto; }
.gf-sequence-empty { display: flex; flex-direction: column; align-items: center; justify-content: center; flex: 1; text-align: center; padding: 32px 20px; color: var(--gf-muted); font-size: 12px; }
.gf-sequence-empty strong { color: var(--gf-ink); }
.gf-sequence-empty p { line-height: 1.7; max-width: 280px; }
.gf-sequence-form-layout { display: grid; grid-template-columns: minmax(220px, .9fr) minmax(0, 1.1fr); gap: 24px; }
.gf-sequence-form-layout .gf-sequence-preview { border: 1px solid var(--gf-border); border-radius: 8px; align-self: stretch; }
.gf-sequence-ghost { pointer-events: none; opacity: .5; }
.gf-canvas[data-tool="sequence"] { cursor: copy; }
@media (max-width: 700px) {
  .gf-sequence-layout { grid-template-columns: minmax(130px, .65fr) minmax(0, 1fr); max-height: 66dvh; }
  .gf-sequence-body { padding: 12px; }
  .gf-sequence-tools { align-items: stretch; flex-direction: column; }
  .gf-sequence-form-layout { grid-template-columns: 1fr; gap: 12px; }
  .gf-sequence-detail-heading, .gf-sequence-options, .gf-sequence-detail-actions { padding-inline: 10px; }
}

/* Selected islands resize independently of their enclosed elements. */
.gf-region-resize-hit { fill: none; stroke: transparent; stroke-width: 12; vector-effect: non-scaling-stroke; pointer-events: stroke; }
.gf-region-resize-guide { fill: none; stroke: transparent; stroke-width: 2; vector-effect: non-scaling-stroke; pointer-events: none; }
.gf-region-resize-grip rect { fill: var(--gf-surface); stroke: var(--gf-selected); stroke-width: 1.2; vector-effect: non-scaling-stroke; }
.gf-region-resize-grip path { fill: none; stroke: var(--gf-selected); stroke-width: 1; vector-effect: non-scaling-stroke; pointer-events: none; }
.gf-region-corner-hit { fill: transparent; stroke: none; pointer-events: all; }
.gf-region-corner-grip { fill: var(--gf-surface); stroke: var(--gf-selected); stroke-width: 1.2; vector-effect: non-scaling-stroke; pointer-events: none; }
.gf-region-resize:hover .gf-region-resize-grip rect, .gf-region-resize-corner:hover .gf-region-corner-grip { fill: var(--gf-accent-soft); stroke: var(--gf-accent); }
.gf-region-resize-w, .gf-region-resize-e, .gf-canvas[data-resize-side="w"], .gf-canvas[data-resize-side="e"] { cursor: ew-resize; }
.gf-region-resize-n, .gf-region-resize-s, .gf-canvas[data-resize-side="n"], .gf-canvas[data-resize-side="s"] { cursor: ns-resize; }
.gf-region-resize-nw, .gf-region-resize-se, .gf-canvas[data-resize-side="nw"], .gf-canvas[data-resize-side="se"] { cursor: nwse-resize; }
.gf-region-resize-ne, .gf-region-resize-sw, .gf-canvas[data-resize-side="ne"], .gf-canvas[data-resize-side="sw"] { cursor: nesw-resize; }
.gf-color-preset-region { width: 36px; border-color: var(--gf-region-border); border-style: dashed; border-radius: 4px; color: var(--gf-region-text); background: var(--gf-region-fill); }
.gf-color-preset-region::after { display: none; }

/* Drag the island title within a small schematic of its available area. */
.gf-region-title-map { position: relative; height: 140px; margin-top: 2px; border: 1px dashed var(--gf-border-strong); border-radius: 8px; background: var(--gf-surface-2, var(--gf-surface)); }
.gf-region-title-area { position: absolute; inset: 10px; }
.gf-studio .gf-region-title-token { position: absolute; display: flex; align-items: center; gap: 5px; width: auto; min-height: 28px; margin: 0; padding: 4px 7px; border: 1px solid var(--gf-accent); border-radius: 4px; background: var(--gf-accent-soft); color: var(--gf-ink); font-size: 11px; line-height: 18px; white-space: nowrap; cursor: grab; touch-action: none; user-select: none; }
.gf-region-title-token svg { width: 13px; height: 13px; fill: none; stroke: currentColor; stroke-width: 1.3; }
.gf-studio .gf-region-title-token.is-dragging { cursor: grabbing; }
.gf-studio .gf-region-title-token:disabled { cursor: default; }

/* Generated Ladder view: an auditable, read-only translation of the active GRAFCET sheet. */
.gf-ladder-dialog { width: min(1440px, calc(100vw - 28px)); height: min(92dvh, 1040px); max-height: calc(100dvh - 28px); }
.gf-ladder-dialog[open] { display: flex; flex-direction: column; overflow: hidden; }
.gf-ladder-dialog .gf-dialog-heading { flex: none; align-items: flex-start; gap: 18px; padding: 15px 20px; }
.gf-ladder-heading-copy { display: grid; gap: 3px; min-width: 0; }
.gf-ladder-heading-copy strong { font-size: 16px; }
.gf-ladder-heading-copy p { margin: 0; color: var(--gf-muted); font-size: 11px; }
.gf-ladder-kicker { color: var(--gf-accent-ink); font-size: 9px; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.gf-ladder-body { min-height: 0; flex: 1; overflow: auto; overscroll-behavior: contain; padding: 18px 22px 24px; }
.gf-ladder-tools { display: flex; align-items: end; gap: 12px; margin-bottom: 15px; }
.gf-ladder-tools > label { display: grid; gap: 5px; width: min(290px, 28%); color: var(--gf-muted); font-size: 10px; }
.gf-ladder-tools > .gf-ladder-filter { width: min(360px, 34%); }
.gf-ladder-filter > span:first-child { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.gf-ladder-filter kbd { padding: 1px 4px; border: 1px solid var(--gf-border); border-radius: 3px; color: var(--gf-faint); background: var(--gf-surface-soft); font: 7px ui-monospace,monospace; }
.gf-ladder-tools select { min-height: 34px; }
.gf-ladder-filter-field { display: flex; align-items: center; min-height: 34px; border: 1px solid var(--gf-border-strong); border-radius: 5px; background: var(--gf-surface); }
.gf-ladder-filter-field:focus-within { border-color: var(--gf-accent); box-shadow: 0 0 0 1px var(--gf-accent); }
.gf-ladder-filter-field svg { flex: none; width: 16px; height: 16px; margin-left: 9px; fill: none; stroke: var(--gf-muted); stroke-width: 1.6; }
.gf-ladder-filter-field input { min-width: 0; min-height: 32px; padding: 5px 9px 5px 7px; border: 0; background: transparent; box-shadow: none; }
.gf-ladder-filter-field input:focus { outline: 0; box-shadow: none; }
.gf-ladder-toggle-all { display: inline-flex; align-items: center; gap: 8px; min-height: 34px; margin-left: auto; padding: 6px 11px; border: 1px solid var(--gf-border); border-radius: 6px; color: var(--gf-secondary); background: var(--gf-surface-soft); font-size: 10px; font-weight: 650; white-space: nowrap; }
.gf-ladder-toggle-all:hover { border-color: var(--gf-accent-border); color: var(--gf-accent-ink); background: var(--gf-accent-soft); }
.gf-ladder-toggle-icon { width: 8px; height: 8px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: translateY(-2px) rotate(45deg); transition: transform .16s ease; }
.gf-ladder-toggle-all[aria-expanded="true"] .gf-ladder-toggle-icon { transform: translateY(2px) rotate(225deg); }
.gf-ladder-status { display: inline-flex; align-items: center; gap: 7px; min-height: 29px; margin-bottom: 2px; padding: 4px 10px; border: 1px solid var(--gf-border); border-radius: 99px; background: var(--gf-surface-soft); font-size: 10px; font-weight: 650; }
.gf-ladder-status i { width: 8px; height: 8px; border-radius: 50%; background: var(--gf-success, #43be91); }
.gf-ladder-status.is-warning i { background: var(--gf-warning, #e4ad35); }
.gf-ladder-status.is-danger i { background: var(--gf-danger, #e16d7b); }
.gf-ladder-intro { display: grid; grid-template-columns: 46px minmax(0,1fr); align-items: start; gap: 14px; padding: 18px; border: 1px solid var(--gf-accent-border); border-radius: 9px; background: linear-gradient(115deg,var(--gf-accent-soft),var(--gf-surface)); }
.gf-ladder-intro-mark { display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid var(--gf-accent-border); border-radius: 10px; color: var(--gf-accent-ink); background: var(--gf-surface); }
.gf-ladder-intro-mark svg { width: 27px; height: 27px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.gf-ladder-eyebrow { color: var(--gf-accent-ink); font-size: 9px; font-weight: 700; letter-spacing: .05em; }
.gf-ladder-intro h2 { margin: 3px 0 5px; font-size: 20px; }
.gf-ladder-intro p { max-width: 900px; margin: 0; color: var(--gf-secondary); font-size: 11px; line-height: 1.55; }
.gf-ladder-metrics { display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); gap: 9px; margin: 13px 0; }
.gf-ladder-metrics > div { display: grid; grid-template-columns: 1fr auto; align-items: baseline; gap: 2px 8px; min-width: 0; padding: 10px 12px; border: 1px solid var(--gf-border); border-radius: 7px; background: var(--gf-surface-soft); }
.gf-ladder-metrics span { color: var(--gf-muted); font-size: 10px; }
.gf-ladder-metrics strong { grid-column: 2; grid-row: 1 / span 2; color: var(--gf-ink); font-size: 20px; font-variant-numeric: tabular-nums; }
.gf-ladder-metrics small { grid-column: 1; color: var(--gf-muted); font-size: 9px; }
.gf-ladder-legend { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 16px; margin-bottom: 14px; padding: 9px 11px; border: 1px solid var(--gf-border); border-radius: 7px; color: var(--gf-muted); font-size: 9px; }
.gf-ladder-legend > strong { margin-right: 2px; color: var(--gf-accent-ink); font-size: 9px; }
.gf-ladder-legend > span { display: inline-flex; align-items: center; gap: 6px; }
.gf-ladder-legend-contact { position: relative; display: inline-block; width: 21px; height: 11px; border-right: 2px solid var(--gf-secondary); border-left: 2px solid var(--gf-secondary); }
.gf-ladder-legend-contact::before { position: absolute; top: 4px; left: -7px; width: 29px; border-top: 1px solid var(--gf-secondary); content: ""; }
.gf-ladder-legend-contact.is-nc::after { position: absolute; top: 4px; left: -2px; width: 22px; border-top: 1px solid var(--gf-secondary); content: ""; transform: rotate(-35deg); }
.gf-ladder-legend-coil { display: inline-grid; place-items: center; min-width: 25px; height: 18px; color: var(--gf-secondary); font: 10px ui-monospace,monospace; }
.gf-ladder-legend-coil.is-memory { min-width: 32px; border: 1px solid var(--gf-border-strong); border-radius: 3px; }
.gf-ladder-legend-block { display: inline-grid; place-items: center; width: 23px; height: 18px; border: 1px solid var(--gf-accent-border); border-radius: 3px; color: var(--gf-accent-ink); font: 700 8px ui-monospace,monospace; }
.gf-ladder-scan-contract { margin: 0 0 14px; border: 1px solid color-mix(in srgb,var(--gf-accent) 34%,var(--gf-border)); border-radius: 8px; background: linear-gradient(110deg,color-mix(in srgb,var(--gf-accent-soft) 72%,transparent),var(--gf-surface-soft)); }
.gf-ladder-scan-contract > summary { display: grid; grid-template-columns: auto minmax(0,1fr) 12px; align-items: center; gap: 11px; padding: 11px 13px; cursor: pointer; list-style: none; }
.gf-ladder-scan-contract > summary::-webkit-details-marker { display: none; }
.gf-ladder-scan-contract > summary > span:nth-child(2) { display: grid; gap: 2px; }
.gf-ladder-scan-contract > summary strong { color: var(--gf-ink); font-size: 11px; }
.gf-ladder-scan-contract > summary small { color: var(--gf-muted); font-size: 9px; line-height: 1.4; }
.gf-ladder-scan-contract > summary > i { width: 8px; height: 8px; border-right: 1.5px solid var(--gf-accent-ink); border-bottom: 1.5px solid var(--gf-accent-ink); transform: translateY(-2px) rotate(45deg); transition: transform .16s ease; }
.gf-ladder-scan-contract[open] > summary > i { transform: translateY(2px) rotate(225deg); }
.gf-ladder-scan-badge { display: inline-grid; place-items: center; min-width: 40px; height: 27px; padding: 0 7px; border: 1px solid var(--gf-accent-border); border-radius: 5px; color: var(--gf-accent-ink); background: var(--gf-surface); font: 800 8px ui-monospace,monospace; letter-spacing: .12em; }
.gf-ladder-scan-contract > div { display: grid; gap: 10px; padding: 0 13px 13px 64px; border-top: 1px solid color-mix(in srgb,var(--gf-accent) 18%,transparent); }
.gf-ladder-scan-flow { display: grid; grid-template-columns: repeat(11,auto); align-items: center; justify-content: start; gap: 6px; margin-top: 11px; overflow-x: auto; scrollbar-width: thin; }
.gf-ladder-scan-flow > i { color: var(--gf-muted); font: 11px ui-monospace,monospace; }
.gf-ladder-scan-flow > button { display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; align-items: center; min-width: 105px; padding: 7px 8px; border: 1px solid var(--gf-border); border-radius: 6px; color: var(--gf-secondary); background: var(--gf-surface); text-align: left; cursor: pointer; }
.gf-ladder-scan-flow > button:hover { border-color: var(--gf-accent-border); color: var(--gf-ink); background: var(--gf-accent-soft); }
.gf-ladder-scan-flow > button:focus-visible { outline: 2px solid var(--gf-accent); outline-offset: 2px; }
.gf-ladder-scan-flow > button > span { grid-row: 1 / span 2; margin-right: 7px; color: var(--gf-accent-ink); font: 800 8px ui-monospace,monospace; }
.gf-ladder-scan-flow > button > strong { font-size: 9px; }
.gf-ladder-scan-flow > button > small { color: var(--gf-muted); font-size: 8px; white-space: nowrap; }
.gf-ladder-scan-contract ol { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 7px 14px; margin: 11px 0 0; padding: 0; list-style: none; }
.gf-ladder-scan-contract li { display: grid; grid-template-columns: 20px minmax(0,1fr); align-items: start; gap: 7px; color: var(--gf-secondary); font-size: 9px; line-height: 1.45; }
.gf-ladder-scan-contract li > span { display: grid; place-items: center; width: 18px; height: 18px; border: 1px solid var(--gf-accent-border); border-radius: 50%; color: var(--gf-accent-ink); font: 700 8px ui-monospace,monospace; }
.gf-ladder-scan-contract p { margin: 0; color: var(--gf-muted); font-size: 9px; line-height: 1.55; }
.gf-ladder-scan-contract p strong { color: var(--gf-secondary); }
.gf-ladder-sequence-map { margin: 0 0 14px; border: 1px solid var(--gf-border); border-radius: 8px; background: var(--gf-surface-soft); }
.gf-ladder-sequence-map > summary { display: grid; grid-template-columns: auto minmax(0,1fr) auto 12px; align-items: center; gap: 11px; padding: 10px 13px; cursor: pointer; list-style: none; }
.gf-ladder-sequence-map > summary::-webkit-details-marker { display: none; }
.gf-ladder-sequence-map > summary > span:nth-child(2) { display: grid; gap: 2px; }
.gf-ladder-sequence-map > summary strong { color: var(--gf-ink); font-size: 11px; }
.gf-ladder-sequence-map > summary small,.gf-ladder-sequence-map > summary > span:nth-child(3) { color: var(--gf-muted); font-size: 9px; }
.gf-ladder-sequence-map > summary > i { width: 8px; height: 8px; border-right: 1.5px solid var(--gf-muted); border-bottom: 1.5px solid var(--gf-muted); transform: translateY(-2px) rotate(45deg); transition: transform .16s ease; }
.gf-ladder-sequence-map[open] > summary > i { transform: translateY(2px) rotate(225deg); }
.gf-ladder-sequence-badge { display: inline-grid; place-items: center; width: 40px; height: 27px; border: 1px solid var(--gf-accent-border); border-radius: 5px; color: var(--gf-accent-ink); background: var(--gf-surface); font: 800 8px ui-monospace,monospace; letter-spacing: .08em; }
.gf-ladder-sequence-map > div { max-height: 330px; overflow: auto; padding: 0 13px 12px; border-top: 1px solid var(--gf-border); scrollbar-width: thin; }
.gf-ladder-sequence-map table { width: 100%; min-width: 1040px; border-collapse: collapse; background: var(--gf-surface); }
.gf-ladder-sequence-map thead { position: sticky; top: 0; z-index: 1; background: var(--gf-surface-soft); }
.gf-ladder-sequence-map th,.gf-ladder-sequence-map td { padding: 8px 9px; border-bottom: 1px solid var(--gf-border); color: var(--gf-secondary); font-size: 8px; line-height: 1.4; text-align: left; vertical-align: middle; }
.gf-ladder-sequence-map thead th { padding-block: 9px; color: var(--gf-muted); font: 700 7px ui-monospace,monospace; letter-spacing: .06em; text-transform: uppercase; }
.gf-ladder-sequence-map tbody th { min-width: 95px; }
.gf-ladder-sequence-filter { display: grid; gap: 2px; padding: 3px 5px; border: 1px solid transparent; border-radius: 4px; color: inherit; background: transparent; text-align: left; cursor: pointer; }
.gf-ladder-sequence-filter:hover,.gf-ladder-sequence-filter:focus-visible { border-color: var(--gf-accent-border); background: var(--gf-accent-soft); outline: none; }
.gf-ladder-sequence-filter > strong,.gf-ladder-sequence-filter > small { display: block; }
.gf-ladder-sequence-filter > strong { color: var(--gf-ink); font-size: 9px; }
.gf-ladder-sequence-filter > small { color: var(--gf-muted); font: 7px ui-monospace,monospace; }
.gf-ladder-sequence-condition { min-width: 210px; max-width: 420px; overflow-wrap: anywhere; }
.gf-ladder-sequence-equation { min-width: 240px; max-width: 440px; overflow-wrap: anywhere; }
.gf-ladder-sequence-equation code { color: var(--gf-secondary); font: 7px/1.5 ui-monospace,monospace; white-space: normal; }
.gf-ladder-sequence-status { display: inline-flex; align-items: center; gap: 5px; white-space: nowrap; color: var(--gf-muted); }
.gf-ladder-sequence-status::before { width: 6px; height: 6px; border-radius: 50%; background: currentColor; content: ""; }
.gf-ladder-sequence-status.is-success { color: #44c797; }
.gf-ladder-sequence-status.is-warning { color: #d9a13b; }
.gf-ladder-sequence-status.is-danger { color: #e56d78; }
.gf-ladder-sequence-map .gf-ladder-source-link { min-width: 28px; }
.gf-ladder-compatibility { margin: 0 0 14px; border: 1px solid color-mix(in srgb,#d89b3c 32%,var(--gf-border)); border-radius: 8px; background: linear-gradient(110deg,color-mix(in srgb,#d89b3c 7%,var(--gf-surface-soft)),var(--gf-surface-soft)); }
.gf-ladder-compatibility > summary { display: grid; grid-template-columns: auto minmax(0,1fr) 12px; align-items: center; gap: 11px; padding: 10px 13px; cursor: pointer; list-style: none; }
.gf-ladder-compatibility > summary::-webkit-details-marker { display: none; }
.gf-ladder-compatibility > summary > span:nth-child(2) { display: grid; gap: 2px; }
.gf-ladder-compatibility > summary strong { color: var(--gf-ink); font-size: 11px; }
.gf-ladder-compatibility > summary small { color: var(--gf-muted); font-size: 9px; line-height: 1.4; }
.gf-ladder-compatibility > summary > i { width: 8px; height: 8px; border-right: 1.5px solid #d89b3c; border-bottom: 1.5px solid #d89b3c; transform: translateY(-2px) rotate(45deg); transition: transform .16s ease; }
.gf-ladder-compatibility[open] > summary > i { transform: translateY(2px) rotate(225deg); }
.gf-ladder-compatibility-badge { display: inline-grid; place-items: center; width: 40px; height: 27px; border: 1px solid color-mix(in srgb,#d89b3c 50%,var(--gf-border)); border-radius: 5px; color: color-mix(in srgb,#d89b3c 76%,var(--gf-ink)); background: var(--gf-surface); font: 800 8px ui-monospace,monospace; letter-spacing: .08em; }
.gf-ladder-compatibility > div { display: grid; gap: 10px; padding: 12px 13px; border-top: 1px solid color-mix(in srgb,#d89b3c 22%,var(--gf-border)); }
.gf-ladder-compatibility table { width: 100%; border-collapse: collapse; border: 1px solid var(--gf-border); border-radius: 6px; overflow: hidden; background: var(--gf-surface); }
.gf-ladder-compatibility th,.gf-ladder-compatibility td { padding: 7px 9px; border-bottom: 1px solid var(--gf-border); vertical-align: top; text-align: left; }
.gf-ladder-compatibility tr:last-child > * { border-bottom: 0; }
.gf-ladder-compatibility th { width: 150px; color: var(--gf-secondary); font: 700 8px ui-monospace,monospace; letter-spacing: .03em; }
.gf-ladder-compatibility td { display: grid; gap: 2px; }
.gf-ladder-compatibility td strong { color: var(--gf-ink); font-size: 9px; }
.gf-ladder-compatibility td small,.gf-ladder-compatibility p { margin: 0; color: var(--gf-muted); font-size: 8px; line-height: 1.5; }
.gf-ladder-compatibility p strong { color: var(--gf-secondary); }
.gf-ladder-action-contract { margin: 0 0 14px; border: 1px solid var(--gf-border); border-radius: 8px; background: var(--gf-surface-soft); }
.gf-ladder-action-contract > summary { display: grid; grid-template-columns: auto minmax(0,1fr) 12px; align-items: center; gap: 11px; padding: 10px 13px; cursor: pointer; list-style: none; }
.gf-ladder-action-contract > summary::-webkit-details-marker { display: none; }
.gf-ladder-action-contract > summary > span:nth-child(2) { display: grid; gap: 2px; }
.gf-ladder-action-contract > summary strong { color: var(--gf-ink); font-size: 11px; }
.gf-ladder-action-contract > summary small { color: var(--gf-muted); font-size: 9px; line-height: 1.4; }
.gf-ladder-action-contract > summary > i { width: 8px; height: 8px; border-right: 1.5px solid var(--gf-muted); border-bottom: 1.5px solid var(--gf-muted); transform: translateY(-2px) rotate(45deg); transition: transform .16s ease; }
.gf-ladder-action-contract[open] > summary > i { transform: translateY(2px) rotate(225deg); }
.gf-ladder-action-badge { display: inline-grid; place-items: center; width: 40px; height: 27px; border: 1px solid var(--gf-border-strong); border-radius: 5px; color: var(--gf-secondary); background: var(--gf-surface); font: 800 8px ui-monospace,monospace; letter-spacing: .08em; }
.gf-ladder-action-contract > div { display: grid; gap: 11px; padding: 12px 13px; border-top: 1px solid var(--gf-border); }
.gf-ladder-action-flow { display: flex; align-items: stretch; gap: 6px; overflow-x: auto; scrollbar-width: thin; }
.gf-ladder-action-flow > span { display: grid; grid-template-columns: auto minmax(95px,1fr); grid-template-rows: auto auto; align-items: center; min-width: 168px; padding: 7px 8px; border: 1px solid var(--gf-border); border-radius: 6px; background: var(--gf-surface); }
.gf-ladder-action-flow > span > b { grid-row: 1 / span 2; margin-right: 8px; color: var(--gf-accent-ink); font: 800 8px ui-monospace,monospace; }
.gf-ladder-action-flow > span > strong { color: var(--gf-secondary); font-size: 9px; }
.gf-ladder-action-flow > span > small { color: var(--gf-muted); font-size: 8px; white-space: nowrap; }
.gf-ladder-action-flow > i { align-self: center; color: var(--gf-muted); font: 11px ui-monospace,monospace; }
.gf-ladder-action-contract dl { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 7px; margin: 0; }
.gf-ladder-action-contract dl > div { display: grid; grid-template-columns: 28px minmax(0,1fr); align-items: start; gap: 7px; padding: 7px 8px; border: 1px solid var(--gf-border); border-radius: 5px; background: var(--gf-surface); }
.gf-ladder-action-contract dt { display: grid; place-items: center; min-height: 22px; border-radius: 4px; color: var(--gf-accent-ink); background: var(--gf-accent-soft); font: 800 8px ui-monospace,monospace; }
.gf-ladder-action-contract dd { margin: 0; color: var(--gf-secondary); font-size: 8px; line-height: 1.45; }
.gf-ladder-action-contract p { margin: 0; color: var(--gf-muted); font-size: 8px; line-height: 1.5; }
.gf-ladder-action-map { width: 100%; min-width: 0; max-height: 290px; overflow: auto; border: 1px solid var(--gf-border); border-radius: 6px; background: var(--gf-surface); scrollbar-width: thin; }
.gf-ladder-action-map table { width: 100%; min-width: 1050px; border-collapse: collapse; }
.gf-ladder-action-map thead { position: sticky; top: 0; z-index: 1; background: var(--gf-surface-soft); }
.gf-ladder-action-map th,.gf-ladder-action-map td { padding: 7px 8px; border-bottom: 1px solid var(--gf-border); color: var(--gf-secondary); font-size: 8px; line-height: 1.4; text-align: left; vertical-align: middle; }
.gf-ladder-action-map thead th { color: var(--gf-muted); font: 700 7px ui-monospace,monospace; letter-spacing: .06em; text-transform: uppercase; }
.gf-ladder-action-map tbody th { color: var(--gf-ink); font-size: 9px; overflow-wrap: anywhere; }
.gf-ladder-action-map code { color: var(--gf-secondary); font: 7px ui-monospace,monospace; }
.gf-ladder-action-signal { padding: 3px 5px; border: 1px solid var(--gf-border); border-radius: 4px; color: var(--gf-secondary); background: var(--gf-surface-soft); font: 7px ui-monospace,monospace; white-space: nowrap; cursor: pointer; }
.gf-ladder-action-signal:hover,.gf-ladder-action-signal:focus-visible { border-color: var(--gf-accent-border); color: var(--gf-accent-ink); outline: none; }
.gf-ladder-action-condition { min-width: 150px; max-width: 290px; overflow-wrap: anywhere; }
.gf-ladder-action-activation { min-width: 105px; max-width: 250px; overflow-wrap: anywhere; }
.gf-ladder-action-qualifier { display: grid; place-items: center; width: 27px; min-height: 22px; border-radius: 4px; color: var(--gf-accent-ink); background: var(--gf-accent-soft); font: 800 8px ui-monospace,monospace; }
.gf-ladder-action-map .gf-ladder-source-link { min-width: 28px; }
.gf-ladder-signals { margin: 0 0 14px; border: 1px solid var(--gf-border); border-radius: 8px; background: var(--gf-surface-soft); }
.gf-ladder-signals > summary { display: grid; grid-template-columns: auto minmax(0,1fr) auto 12px; align-items: center; gap: 11px; padding: 10px 13px; cursor: pointer; list-style: none; }
.gf-ladder-signals > summary::-webkit-details-marker { display: none; }
.gf-ladder-signals > summary > span:nth-child(2) { display: grid; gap: 2px; }
.gf-ladder-signals > summary strong { color: var(--gf-ink); font-size: 11px; }
.gf-ladder-signals > summary small,.gf-ladder-signals > summary > span:nth-child(3) { color: var(--gf-muted); font-size: 9px; }
.gf-ladder-signals > summary > i { width: 8px; height: 8px; border-right: 1.5px solid var(--gf-muted); border-bottom: 1.5px solid var(--gf-muted); transform: translateY(-2px) rotate(45deg); transition: transform .16s ease; }
.gf-ladder-signals[open] > summary > i { transform: translateY(2px) rotate(225deg); }
.gf-ladder-signals-icon { display: inline-grid; place-items: center; width: 40px; height: 27px; border: 1px solid var(--gf-border-strong); border-radius: 5px; color: var(--gf-secondary); background: var(--gf-surface); font: 800 8px ui-monospace,monospace; letter-spacing: .08em; }
.gf-ladder-signals > div { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 12px; padding: 12px 13px; border-top: 1px solid var(--gf-border); }
.gf-ladder-signals section { min-width: 0; padding: 10px; border: 1px solid var(--gf-border); border-radius: 6px; background: var(--gf-surface); }
.gf-ladder-signals h3 { display: flex; align-items: center; justify-content: space-between; gap: 7px; margin: 0 0 8px; color: var(--gf-secondary); font-size: 9px; }
.gf-ladder-signals h3 > span { display: grid; place-items: center; min-width: 19px; height: 19px; padding-inline: 4px; border-radius: 99px; color: var(--gf-muted); background: var(--gf-surface-soft); font: 8px ui-monospace,monospace; }
.gf-ladder-signals section > p { margin: 0; color: var(--gf-muted); font-size: 8px; line-height: 1.45; }
.gf-ladder-signals section code { padding: 1px 3px; border-radius: 3px; color: var(--gf-secondary); background: var(--gf-surface-soft); font: 8px ui-monospace,monospace; }
.gf-ladder-signal-list { display: flex; flex-wrap: wrap; gap: 5px; max-height: 104px; overflow: auto; scrollbar-width: thin; }
.gf-ladder-signal-list > button { display: inline-flex; align-items: center; gap: 5px; min-width: 0; padding: 4px 6px; border: 1px solid var(--gf-border); border-radius: 4px; color: var(--gf-secondary); background: var(--gf-surface-soft); cursor: pointer; }
.gf-ladder-signal-list > button:hover { border-color: var(--gf-accent-border); color: var(--gf-accent-ink); background: var(--gf-accent-soft); }
.gf-ladder-signal-list > button:focus-visible { outline: 2px solid var(--gf-accent); outline-offset: 1px; }
.gf-ladder-signal-list > button strong { overflow: hidden; max-width: 150px; font: 700 8px ui-monospace,monospace; text-overflow: ellipsis; white-space: nowrap; }
.gf-ladder-signal-list > button small { padding-left: 5px; border-left: 1px solid var(--gf-border); color: var(--gf-muted); font-size: 7px; }
.gf-ladder-signal-list.is-internal > button { color: var(--gf-muted); }
.gf-ladder-signal-list.is-system > button { border-color: var(--gf-accent-border); color: var(--gf-accent-ink); background: var(--gf-accent-soft); }
.gf-ladder-signal-more { align-self: center; color: var(--gf-muted); font-size: 8px; }
.gf-ladder-signals-hint { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: 10px; margin: -3px 0 0; color: var(--gf-muted); font-size: 8px; }
.gf-ladder-signals-hint strong { color: var(--gf-secondary); }
.gf-ladder-signals-hint > button { flex: none; padding: 5px 8px; border: 1px solid var(--gf-border); border-radius: 4px; color: var(--gf-secondary); background: var(--gf-surface); font-size: 8px; cursor: pointer; }
.gf-ladder-signals-hint > button:hover { border-color: var(--gf-accent-border); color: var(--gf-accent-ink); }
.gf-ladder-signals-hint > button:focus-visible { outline: 2px solid var(--gf-accent); outline-offset: 2px; }
.gf-ladder-review { margin: 0 0 18px; border: 1px solid var(--gf-warning-border); border-radius: 8px; background: var(--gf-warning-bg); }
.gf-ladder-review.is-blocking { border-color: color-mix(in srgb,var(--gf-danger) 50%,var(--gf-border)); background: color-mix(in srgb,var(--gf-danger) 9%,var(--gf-surface)); }
.gf-ladder-review.is-info-only { border-color: var(--gf-border); background: var(--gf-surface-soft); }
.gf-ladder-review summary { display: flex; align-items: center; gap: 9px; padding: 11px 13px; color: var(--gf-ink); cursor: pointer; list-style: none; }
.gf-ladder-review summary::-webkit-details-marker { display: none; }
.gf-ladder-review summary > span:last-child { margin-left: auto; color: var(--gf-muted); font-size: 9px; }
.gf-ladder-review-counts { display: inline-flex; align-items: center; flex-wrap: wrap; gap: 5px; }
.gf-ladder-review-counts button { min-height: 22px; padding: 3px 7px; border: 1px solid var(--gf-border); border-radius: 99px; color: var(--gf-muted); background: var(--gf-surface); font-size: 8px; font-weight: 650; cursor: pointer; }
.gf-ladder-review-counts button:hover,.gf-ladder-review-counts button:focus-visible,.gf-ladder-review-counts button[aria-pressed="true"] { border-color: currentColor; background: var(--gf-accent-soft); outline: none; }
.gf-ladder-review-counts .is-blocking { border-color: color-mix(in srgb,var(--gf-danger) 45%,var(--gf-border)); color: var(--gf-danger); }
.gf-ladder-review-counts .is-review { border-color: var(--gf-warning-border); color: var(--gf-warning); }
.gf-ladder-review-icon { display: grid; place-items: center; width: 20px; height: 20px; border: 1px solid var(--gf-warning-border); border-radius: 50%; color: var(--gf-warning); font-size: 12px; font-weight: 800; }
.gf-ladder-review.is-blocking .gf-ladder-review-icon { border-color: color-mix(in srgb,var(--gf-danger) 55%,var(--gf-border)); color: var(--gf-danger); }
.gf-ladder-review.is-info-only .gf-ladder-review-icon { border-color: var(--gf-border-strong); color: var(--gf-muted); }
.gf-ladder-review ul { display: grid; gap: 0; max-height: min(42vh,420px); margin: 0; padding: 0 13px 8px; overflow: auto; list-style: none; scrollbar-width: thin; }
.gf-ladder-review li { display: grid; grid-template-columns: minmax(125px,190px) minmax(0,1fr) auto; align-items: center; gap: 12px; padding: 8px 0; border-top: 1px solid color-mix(in srgb,var(--gf-warning-border) 70%,transparent); color: var(--gf-secondary); font-size: 10px; line-height: 1.45; }
.gf-ladder-review li.is-blocking { color: var(--gf-danger); }
.gf-ladder-review li.is-info { color: var(--gf-muted); }
.gf-ladder-warning-status { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.gf-ladder-warning-code { color: var(--gf-ink); font: 600 10px ui-monospace,monospace; overflow-wrap: anywhere; }
.gf-ladder-group { margin: 10px 0; }
.gf-ladder-group > summary { position: sticky; z-index: 4; top: -18px; display: grid; grid-template-columns: 34px minmax(0,1fr) auto 14px; align-items: center; gap: 11px; min-height: 54px; padding: 8px 12px 8px 10px; border: 1px solid var(--gf-border); border-radius: 8px; color: var(--gf-ink); background: linear-gradient(90deg,var(--gf-accent-soft),var(--gf-surface-soft) 220px); cursor: pointer; list-style: none; user-select: none; }
.gf-ladder-group > summary::-webkit-details-marker { display: none; }
.gf-ladder-group > summary:hover { border-color: var(--gf-accent-border); }
.gf-ladder-group > summary:focus-visible { outline: 2px solid var(--gf-accent); outline-offset: 2px; }
.gf-ladder-group[open] > summary { margin-bottom: 9px; border-color: var(--gf-accent-border); box-shadow: 0 5px 14px color-mix(in srgb,var(--gf-shadow) 45%,transparent); }
.gf-ladder-group-index { display: grid; place-items: center; width: 30px; height: 30px; border: 1px solid var(--gf-accent-border); border-radius: 50%; color: var(--gf-accent-ink); background: var(--gf-accent-soft); font: 700 9px ui-monospace,monospace; }
.gf-ladder-group-copy { display: grid; gap: 1px; min-width: 0; }
.gf-ladder-group-copy > strong { font-size: 13px; }
.gf-ladder-group-copy > small { color: var(--gf-muted); font-size: 9px; line-height: 1.35; }
.gf-ladder-group-count { flex: none; padding: 4px 8px; border: 1px solid var(--gf-border); border-radius: 99px; color: var(--gf-muted); background: var(--gf-surface-soft); font-size: 9px; }
.gf-ladder-group-chevron { width: 8px; height: 8px; border-right: 1.5px solid var(--gf-muted); border-bottom: 1.5px solid var(--gf-muted); transform: translateY(-2px) rotate(45deg); transition: transform .16s ease; }
.gf-ladder-group[open] .gf-ladder-group-chevron { transform: translateY(2px) rotate(225deg); }
.gf-ladder-rungs { display: grid; gap: 10px; }
.gf-ladder-filter-empty { margin: 12px 0; padding: 28px 16px; border: 1px dashed var(--gf-border-strong); border-radius: 8px; text-align: center; }
.gf-ladder-filter-empty p { margin: 5px 0 0; color: var(--gf-muted); font-size: 10px; }
.gf-ladder-filter-status { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.gf-ladder-rung { min-width: 0; overflow: hidden; border: 1px solid var(--gf-border); border-radius: 8px; background: var(--gf-surface); box-shadow: 0 1px 0 color-mix(in srgb,var(--gf-ink) 4%,transparent); }
.gf-ladder-rung-label { display: grid; grid-template-columns: auto minmax(0,1fr) auto; align-items: center; gap: 9px; min-height: 36px; padding: 5px 10px 5px 8px; border-bottom: 1px solid var(--gf-border); border-left: 3px solid var(--gf-accent); background: linear-gradient(90deg,var(--gf-accent-soft),var(--gf-surface-soft) 190px); }
.gf-ladder-rung-system .gf-ladder-rung-label { border-left-color: var(--gf-secondary); }
.gf-ladder-rung-request-activate .gf-ladder-rung-label { border-left-color: var(--gf-success); }
.gf-ladder-rung-request-deactivate .gf-ladder-rung-label { border-left-color: var(--gf-warning); }
.gf-ladder-rung-step-state .gf-ladder-rung-label { border-left-color: var(--gf-accent); }
.gf-ladder-rung-action .gf-ladder-rung-label { border-left-color: #a78bfa; }
.gf-ladder-rung-number { display: inline-flex; align-items: center; justify-content: center; gap: 4px; min-width: 54px; min-height: 24px; padding: 0 7px; border: 1px solid var(--gf-accent-border); border-radius: 5px; color: var(--gf-accent-ink); background: var(--gf-surface); font: 700 10px ui-monospace,monospace; line-height: 1; white-space: nowrap; }
.gf-ladder-rung-number small { color: var(--gf-muted); font-size: 7px; font-weight: 750; letter-spacing: .08em; }
.gf-ladder-rung-label > div { display: flex; align-items: baseline; gap: 7px; min-width: 0; overflow: hidden; white-space: nowrap; }
.gf-ladder-rung-label strong { flex: 0 1 auto; min-width: 0; overflow: hidden; color: var(--gf-ink); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.gf-ladder-rung-label > div > small { flex: 1 1 auto; min-width: 0; overflow: hidden; color: var(--gf-muted); font-size: 9px; text-overflow: ellipsis; white-space: nowrap; }
.gf-ladder-rung-label > div > small::before { margin-right: 7px; color: var(--gf-faint); content: "·"; }
.gf-ladder-rung-tools { display: inline-flex; align-items: center; gap: 5px; }
.gf-ladder-rung-kind { padding: 2px 6px; border: 1px solid var(--gf-border); border-radius: 4px; color: var(--gf-muted); background: color-mix(in srgb,var(--gf-surface) 78%,transparent); font: 700 7px ui-monospace,monospace; letter-spacing: .08em; white-space: nowrap; }
.gf-studio .gf-ladder-copy-network { display: inline-flex; align-items: center; gap: 4px; min-height: 22px; padding: 2px 6px; border-color: var(--gf-border); border-radius: 4px; color: var(--gf-muted); background: var(--gf-surface); font-size: 8px; }
.gf-ladder-copy-network:hover { border-color: var(--gf-accent-border); color: var(--gf-accent-ink); }
.gf-ladder-copy-network svg { width: 12px; height: 12px; fill: none; stroke: currentColor; stroke-width: 1.5; }
.gf-ladder-copy-status { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.gf-studio .gf-ladder-source-link { display: inline-flex; align-items: center; gap: 4px; min-height: 22px; padding: 2px 6px; border-color: var(--gf-accent-border); border-radius: 4px; color: var(--gf-accent-ink); background: var(--gf-accent-soft); font-size: 8px; font-weight: 650; }
.gf-ladder-source-link svg { width: 12px; height: 12px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.gf-ladder-source-link:hover,.gf-ladder-source-link:focus-visible { border-color: var(--gf-accent); color: var(--gf-ink); }
.gf-ladder-track { --gf-ladder-wire: color-mix(in srgb,var(--gf-ink) 82%,var(--gf-secondary)); position: relative; min-height: 118px; overflow-x: auto; overflow-y: hidden; background-color: var(--gf-canvas); background-image: linear-gradient(color-mix(in srgb,var(--gf-grid) 22%,transparent) 1px,transparent 1px),linear-gradient(90deg,color-mix(in srgb,var(--gf-grid) 22%,transparent) 1px,transparent 1px); background-size: 20px 20px; scrollbar-color: var(--gf-border-strong) var(--gf-surface-soft); scrollbar-width: thin; }
.gf-ladder-power-rail,.gf-ladder-right-rail { position: absolute; z-index: 0; top: 14px; bottom: 14px; border-left: 3px solid var(--gf-ladder-wire); }
.gf-ladder-power-rail { left: 20px; }
.gf-ladder-right-rail { right: 20px; }
.gf-ladder-power-rail i { position: absolute; top: -12px; left: 5px; color: var(--gf-faint); font: 650 6px ui-monospace,monospace; font-style: normal; letter-spacing: .08em; }
.gf-ladder-path { position: relative; z-index: 1; display: flex; align-items: center; width: max-content; min-width: 100%; min-height: 118px; padding: 10px 35px 10px 50px; }
.gf-ladder-path::before { position: absolute; z-index: -1; top: calc(50% - 1px); right: 20px; left: 20px; border-top: 2px solid var(--gf-ladder-wire); content: ""; }
.gf-ladder-logic { display: inline-flex; flex: none; align-items: center; min-height: 92px; }
.gf-ladder-wire-fill { flex: 1 0 64px; min-width: 64px; border-top: 2px solid var(--gf-ladder-wire); }
.gf-ladder-output-bank { display: flex; flex: none; flex-direction: column; justify-content: center; min-height: 92px; }
.gf-ladder-component,.gf-ladder-opaque,.gf-ladder-instruction,.gf-ladder-output { position: relative; display: inline-grid; flex: none; place-items: center; align-content: center; min-width: 86px; min-height: 82px; padding: 3px 7px; background: var(--gf-canvas); text-align: center; }
.gf-ladder-component > *,.gf-ladder-output > * { position: relative; z-index: 1; }
.gf-ladder-contact { width: 96px; min-width: 96px; grid-template-rows: 18px 40px 18px; padding: 3px 0; }
.gf-ladder-symbol-name { display: block; max-width: 150px; overflow: hidden; color: var(--gf-ink); font: 650 10px/1.25 ui-monospace,monospace; text-overflow: ellipsis; white-space: nowrap; }
.gf-ladder-contact > svg,.gf-ladder-output > svg { display: block; overflow: visible; fill: none; stroke: var(--gf-ladder-wire); stroke-width: 2; stroke-linecap: butt; stroke-linejoin: miter; }
.gf-ladder-contact > svg { width: 96px; height: 40px; shape-rendering: crispEdges; }
.gf-ladder-output > svg text { fill: var(--gf-secondary); stroke: none; font: 700 11px ui-monospace,monospace; }
.gf-ladder-component small,.gf-ladder-output small,.gf-ladder-instruction small,.gf-ladder-opaque small { max-width: 185px; color: var(--gf-muted); font: 7px/1.3 ui-monospace,monospace; letter-spacing: .04em; overflow-wrap: anywhere; }
.gf-ladder-contact > small { text-transform: uppercase; }
.gf-ladder-contact.is-nc > svg { stroke: var(--gf-ladder-wire); }
.gf-ladder-contact.is-nc small { color: var(--gf-muted); }
.gf-ladder-series { display: inline-flex; align-items: center; min-height: 92px; }
.gf-ladder-parallel { position: relative; display: inline-flex; flex: none; flex-direction: column; justify-content: center; min-height: 92px; padding: 6px 0; border-right: 2px solid var(--gf-ladder-wire); border-left: 2px solid var(--gf-ladder-wire); background: var(--gf-canvas); }
.gf-ladder-parallel-branch { position: relative; display: flex; align-items: center; min-height: 82px; background: linear-gradient(var(--gf-ladder-wire),var(--gf-ladder-wire)) center / 100% 2px no-repeat; }
.gf-ladder-compare,.gf-ladder-constant { min-width: 126px; background: linear-gradient(var(--gf-ladder-wire),var(--gf-ladder-wire)) center / 100% 2px no-repeat,var(--gf-canvas); }
.gf-ladder-compare-symbol { display: grid; place-items: center; min-width: 62px; min-height: 32px; border: 2px solid var(--gf-ladder-wire); color: var(--gf-ink); background: var(--gf-canvas); font: 750 10px ui-monospace,monospace; }
.gf-ladder-constant > span { display: grid; place-items: center; min-width: 62px; min-height: 32px; border: 2px solid var(--gf-ladder-wire); color: var(--gf-ink); background: var(--gf-canvas); font: 700 9px ui-monospace,monospace; }
.gf-ladder-constant.is-false > span { border-style: dashed; color: var(--gf-danger); }
.gf-ladder-opaque { max-width: 230px; min-width: 145px; min-height: 62px; margin: 0 6px; border: 1px dashed var(--gf-warning-border); border-radius: 4px; color: var(--gf-warning); background: var(--gf-warning-bg); }
.gf-ladder-opaque strong,.gf-ladder-instruction strong { font: 750 8px ui-monospace,monospace; letter-spacing: .04em; }
.gf-ladder-opaque small { max-height: 40px; overflow: hidden; color: var(--gf-secondary); }
.gf-ladder-opaque.is-structure,.gf-ladder-opaque.is-event { border-color: var(--gf-danger-border); color: var(--gf-danger); background: var(--gf-danger-bg); }
.gf-ladder-instruction { min-width: 112px; min-height: 76px; margin: 0 7px; grid-template-rows: auto 40px auto; color: var(--gf-accent-ink); background: linear-gradient(var(--gf-ladder-wire),var(--gf-ladder-wire)) center / 100% 2px no-repeat; }
.gf-ladder-instruction strong { display: grid; place-items: center; width: 76px; height: 40px; border: 2px solid var(--gf-ladder-wire); color: var(--gf-ink); background: var(--gf-canvas); font-size: 10px; }
.gf-ladder-instruction > span { color: var(--gf-muted); font: 7px ui-monospace,monospace; }
.gf-ladder-instruction.is-timer { min-width: 126px; }
.gf-ladder-output { width: 132px; min-width: 132px; margin-left: 4px; grid-template-rows: 18px 40px 18px; padding: 3px 0; }
.gf-ladder-output > svg { width: 132px; height: 40px; shape-rendering: geometricPrecision; }
.gf-ladder-output > strong { display: block; max-width: 175px; overflow: hidden; color: var(--gf-ink); font: 700 10px/1.3 ui-monospace,monospace; text-overflow: ellipsis; white-space: nowrap; }
.gf-ladder-output > small { max-width: 180px; }
.gf-ladder-output.is-unresolved { border: 1px dashed var(--gf-warning-border); border-radius: 5px; }
.gf-ladder-output.is-unresolved > strong,.gf-ladder-output.is-unresolved > svg { color: var(--gf-warning); stroke: var(--gf-warning); }
.gf-ladder-output.is-diagnostic { border-radius: 5px; box-shadow: inset 0 0 0 1px var(--gf-warning-border); }
.gf-ladder-output-warning { position: absolute; z-index: 2; top: 3px; right: 3px; display: grid; place-items: center; width: 15px; height: 15px; border: 1px solid var(--gf-warning-border); border-radius: 50%; color: var(--gf-warning); background: var(--gf-warning-bg); font: 800 8px ui-monospace,monospace; }
.gf-ladder-track [data-gf-ladder-tip] { outline: 0; cursor: help; transition: box-shadow .12s ease,background-color .12s ease; }
.gf-ladder-track [data-gf-ladder-source-node] { cursor: pointer; }
.gf-ladder-track [data-gf-ladder-tip]:hover,.gf-ladder-track [data-gf-ladder-tip]:focus-visible { border-radius: 5px; background-color: color-mix(in srgb,var(--gf-accent-soft) 68%,var(--gf-canvas)); box-shadow: inset 0 0 0 1px var(--gf-accent-border),0 0 0 2px color-mix(in srgb,var(--gf-accent) 12%,transparent); }
.gf-ladder-track [data-gf-ladder-signal].is-signal-related { border-radius: 5px; box-shadow: inset 0 0 0 1px var(--gf-accent),0 0 0 2px color-mix(in srgb,var(--gf-accent) 16%,transparent); }
.gf-ladder-tooltip { position: fixed; z-index: 1002; display: grid; gap: 4px; width: min(330px,calc(100vw - 24px)); padding: 11px 12px; border: 1px solid var(--gf-accent-border); border-radius: 7px; color: var(--gf-secondary); background: var(--gf-surface); box-shadow: 0 10px 30px var(--gf-shadow); pointer-events: none; }
.gf-ladder-tooltip[hidden] { display: none; }
.gf-ladder-tooltip strong { color: var(--gf-ink); font-size: 11px; }
.gf-ladder-tooltip span { font-size: 10px; line-height: 1.5; }
.gf-ladder-tooltip small { color: var(--gf-accent-ink); font-size: 9px; }
.gf-ladder-tooltip em { margin-top: 3px; padding-top: 6px; border-top: 1px solid var(--gf-border); color: var(--gf-muted); font-size: 9px; font-style: normal; }
.gf-ladder-empty { padding: 35px 15px; border: 1px dashed var(--gf-border-strong); border-radius: 8px; text-align: center; }
.gf-ladder-empty p { margin: 5px 0 0; color: var(--gf-muted); }
.gf-ladder-method { display: grid; gap: 4px; margin-top: 18px; padding: 12px 14px; border-left: 3px solid var(--gf-accent); border-radius: 3px; background: var(--gf-surface-soft); }
.gf-ladder-method strong { font-size: 10px; }
.gf-ladder-method span { color: var(--gf-accent-ink); font-size: 10px; }
.gf-ladder-method small { color: var(--gf-muted); font-size: 9px; line-height: 1.5; }
.gf-ladder-method nav { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.gf-ladder-method a { padding: 4px 7px; border: 1px solid var(--gf-border); border-radius: 4px; color: var(--gf-secondary); background: var(--gf-surface); font-size: 8px; text-decoration: none; }
.gf-ladder-method a:hover { border-color: var(--gf-accent-border); color: var(--gf-accent-ink); }
.gf-ladder-method a:focus-visible { outline: 2px solid var(--gf-accent); outline-offset: 2px; }
.gf-ladder-footer { display: flex; flex: none; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 18px; border-top: 1px solid var(--gf-border); background: var(--gf-surface); }
.gf-ladder-footer > span { color: var(--gf-muted); font-size: 9px; }
.gf-ladder-footer > div { display: flex; align-items: center; gap: 8px; }
.gf-ladder-footer button { min-height: 32px; padding-inline: 14px; }
.gf-ladder-footer [data-gf-ladder-export-report] { border: 1px solid var(--gf-border); border-radius: 5px; color: var(--gf-secondary); background: var(--gf-surface-soft); }
.gf-ladder-footer [data-gf-ladder-export-report]:hover { border-color: var(--gf-accent-border); color: var(--gf-accent-ink); }
@media (max-width: 700px) {
  .gf-ladder-dialog { width: calc(100vw - 16px); height: calc(100dvh - 16px); max-height: calc(100dvh - 16px); }
  .gf-ladder-body { padding: 12px; }
  .gf-ladder-tools { align-items: stretch; flex-wrap: wrap; gap: 9px; }
  .gf-ladder-tools > label,.gf-ladder-tools > .gf-ladder-filter { width: 100%; }
  .gf-ladder-toggle-all { margin-left: 0; }
  .gf-ladder-metrics { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .gf-ladder-intro { grid-template-columns: 34px minmax(0,1fr); gap: 9px; padding: 12px; }
  .gf-ladder-intro-mark { width: 34px; height: 34px; }
  .gf-ladder-intro-mark svg { width: 22px; height: 22px; }
  .gf-ladder-intro h2 { font-size: 16px; }
  .gf-ladder-review li { grid-template-columns: 1fr; gap: 3px; }
  .gf-ladder-review summary { flex-wrap: wrap; }
  .gf-ladder-review-counts { order: 3; width: 100%; padding-left: 29px; }
  .gf-ladder-scan-contract > div { padding-left: 13px; }
  .gf-ladder-scan-contract ol { grid-template-columns: 1fr; }
  .gf-ladder-action-contract dl { grid-template-columns: 1fr; }
  .gf-ladder-compatibility th { width: 105px; }
  .gf-ladder-signals > summary { grid-template-columns: auto minmax(0,1fr) 12px; }
  .gf-ladder-signals > summary > span:nth-child(3) { display: none; }
  .gf-ladder-sequence-map > summary { grid-template-columns: auto minmax(0,1fr) 12px; }
  .gf-ladder-sequence-map > summary > span:nth-child(3) { display: none; }
  .gf-ladder-signals > div { grid-template-columns: 1fr; }
  .gf-ladder-signals-hint { align-items: flex-start; flex-direction: column; }
  .gf-ladder-group > summary { top: -12px; grid-template-columns: 30px minmax(0,1fr) 14px; align-items: start; padding-inline: 8px; }
  .gf-ladder-group-count { display: none; }
  .gf-ladder-source-link span { display: none; }
  .gf-ladder-copy-network span { display: none; }
  .gf-ladder-footer { align-items: stretch; flex-direction: column; }
  .gf-ladder-footer > div { justify-content: flex-end; }
}

.gf-alignment-guides { pointer-events: none; }
.gf-alignment-guides line { stroke: var(--gf-accent); stroke-width: 1; stroke-dasharray: 5 4; vector-effect: non-scaling-stroke; }
.gf-routing-dialog { width: min(1320px, calc(100vw - 40px)); }
.gf-routing-dialog[open] { display: flex; flex-direction: column; max-height: calc(100dvh - 40px); }
.gf-routing-dialog .gf-dialog-heading, .gf-routing-actions { flex-shrink: 0; }
.gf-routing-dialog .gf-dialog-heading p { margin: 4px 0 0; font-size: 11px; color: var(--gf-muted); }
.gf-routing-body { padding: 16px 20px; overflow: auto; min-height: 0; }
.gf-routing-summary { margin: 0 0 6px; font-size: 13px; font-weight: 600; }
.gf-routing-stale { padding: 10px; border: 1px solid var(--gf-danger); border-radius: 5px; color: var(--gf-danger); }
.gf-routing-view-controls { display: flex; justify-content: flex-end; align-items: center; gap: 6px; margin: 14px 0 8px; }
.gf-routing-view-controls span { margin-right: auto; color: var(--gf-muted); font-size: 11px; }
.gf-routing-view-controls button { padding: 3px 8px; border: 1px solid var(--gf-border); font-size: 11px; }
.gf-routing-comparison { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.gf-routing-comparison section { min-width: 0; border: 1px solid var(--gf-border); border-radius: 6px; overflow: hidden; }
.gf-routing-comparison h3 { margin: 0; padding: 8px 12px; border-bottom: 1px solid var(--gf-border); color: var(--gf-secondary); font-size: 12px; }
.gf-routing-preview { height: clamp(260px,50dvh,620px); background: var(--gf-canvas); cursor: grab; touch-action: none; }
.gf-routing-preview svg { display: block; width: 100%; height: 100%; }
.gf-route-changed .gf-edge-line { stroke: var(--gf-accent); stroke-width: 2; vector-effect: non-scaling-stroke; }
.gf-routing-actions { display: flex; justify-content: flex-end; gap: 8px; padding: 16px 20px 20px; border-top: 1px solid var(--gf-border); }
.gf-routing-actions button { min-height: 34px; padding: 6px 12px; border: 1px solid var(--gf-border); }
@media (max-width: 700px) { .gf-routing-comparison { grid-template-columns: 1fr; } .gf-routing-view-controls span { max-width: 55%; } }

/* Reference tracing is an ephemeral, non-interactive canvas decoration. */
.gf-reference-peek-layer { pointer-events: none; }
.gf-reference-peek-line, .gf-reference-peek-arrow { fill: none; stroke: var(--gf-accent); stroke-width: 2; vector-effect: non-scaling-stroke; pointer-events: none; }
.gf-reference-peek-line { stroke-dasharray: 7 4; }
.gf-reference-peek-arrow { stroke-linecap: round; stroke-linejoin: round; }
.gf-reference-destination { fill: none; stroke: var(--gf-accent); stroke-width: 2.5; vector-effect: non-scaling-stroke; }
.gf-edge-reference.is-reference-peek .gf-reference-circle { stroke: var(--gf-accent); stroke-width: 2.5; }
.gf-mini-node.is-reference-target { fill: var(--gf-accent); stroke: var(--gf-accent); stroke-width: 2; vector-effect: non-scaling-stroke; }