/** Page styles of the graph view. VS Code's theme variables, Archify's type colours. */
export const GRAPH_PAGE_STYLE = `
:root { --ag-bg: var(--vscode-editor-background, #0b1020); --ag-fg: var(--vscode-foreground, #e5e7eb); --ag-muted: var(--vscode-descriptionForeground, #9ca3af);
  --ag-panel: var(--vscode-editorWidget-background, #111a2e); --ag-border: var(--vscode-editorWidget-border, rgba(128,128,128,.35)); --ag-accent: var(--vscode-textLink-foreground, #22d3ee);
  --ag-input: var(--vscode-input-background, #1f2937); --ag-input-fg: var(--vscode-input-foreground, #e5e7eb); --ag-input-border: var(--vscode-input-border, var(--ag-border));
  --ag-error: var(--vscode-errorForeground, #f87171); --ag-font: var(--vscode-font-family, system-ui, sans-serif); --ag-mono: var(--vscode-editor-font-family, ui-monospace, Menlo, monospace);
  --ag-frontend: #22d3ee; --ag-backend: #34d399; --ag-database: #a78bfa; --ag-cloud: #fbbf24; --ag-security: #fb7185; --ag-messagebus: #fb923c; --ag-external: #94a3b8; --ag-decision: #e879f9; --ag-registry: #cbd5e1; }
/* A theme chosen on the page overrides VS Code's; without one the VS Code variables above apply. */
:root[data-theme="dark"] { --ag-bg: #0b1020; --ag-fg: #e5e7eb; --ag-muted: #9ca3af; --ag-panel: #111a2e; --ag-border: rgba(148, 163, 184, 0.28); --ag-accent: #22d3ee; --ag-input: #0f172a; --ag-input-fg: #e5e7eb; --ag-input-border: rgba(148, 163, 184, 0.28); --ag-error: #f87171; color-scheme: dark; }
:root[data-theme="light"] { --ag-bg: #ffffff; --ag-fg: #0f172a; --ag-muted: #64748b; --ag-panel: #f8fafc; --ag-border: rgba(15, 23, 42, 0.14); --ag-accent: #0e7490; --ag-input: #ffffff; --ag-input-fg: #0f172a; --ag-input-border: rgba(15, 23, 42, 0.2); --ag-error: #b91c1c; --ag-external: #64748b; --ag-registry: #94a3b8; color-scheme: light; }
html, body { margin: 0; height: 100%; overflow: hidden; background: var(--ag-bg); color: var(--ag-fg); font-family: var(--ag-font); font-size: 13px; }

:root { --ag-gutter: 1.5rem; }
.ag { display: grid; grid-template-rows: auto minmax(0, 1fr); height: 100%; }
/* One head block: title row and query row share a background and a single rule below. */
.ag-head { background: color-mix(in srgb, var(--ag-panel) 55%, var(--ag-bg)); border-bottom: 1px solid var(--ag-border); }
.ag-top { display: flex; align-items: center; gap: 1rem; padding: 1.1rem var(--ag-gutter) 0.6rem; }
.ag-kicker { font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ag-accent); margin-bottom: 0.2rem; }
.ag-name { font-weight: 700; font-size: 1.25rem; line-height: 1.2; letter-spacing: -0.015em; }
.ag-actions { margin-left: auto; display: flex; align-items: center; gap: 0.5rem; }
.ag-bar .ag-button { min-height: 2rem; }
/* Toolbar controls follow Archify's: quiet pills (0.5rem) inside 0.5625rem buttons, one filled primary action (0.6875rem), the 2D | 3D switch's twin. */
.ag-switch { position: relative; isolation: isolate; display: inline-flex; padding: 0 0.25rem; border: 0; border-radius: 0.5625rem; background: transparent; color: var(--ag-muted); font: inherit; cursor: pointer; }
.ag-switch::before { content: ""; position: absolute; z-index: -1; inset: 0.25rem 0; border-radius: 0.6875rem; background: color-mix(in srgb, var(--ag-panel) 78%, transparent); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--ag-border) 85%, transparent), 0 1px 2px rgba(15, 23, 42, 0.04); }
.ag-switch:hover::before { box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--ag-fg) 22%, transparent), 0 1px 2px rgba(15, 23, 42, 0.04); }
.ag-switch:focus-visible { outline: 2px solid var(--ag-accent); outline-offset: -4px; }
.ag-seg { display: inline-flex; align-items: center; height: 1.75rem; margin: 0.25rem 0; padding: 0 0.7rem; border-radius: 0.5rem; font-weight: 550; font-size: 0.8125rem; transition: background 0.15s, color 0.15s; }
.ag-seg.on { color: var(--ag-bg); background: var(--ag-fg); box-shadow: 0 1px 2px rgba(15, 23, 42, 0.12), 0 6px 16px -8px rgba(15, 23, 42, 0.4); }
.ag-switch:hover .ag-seg:not(.on) { color: var(--ag-fg); }
.ag-button { position: relative; isolation: isolate; display: inline-flex; align-items: center; gap: 0.4rem; font: inherit; font-size: 0.8125rem; font-weight: 500; min-height: 2.25rem; padding: 0.25rem 0.58rem; border-radius: 0.5625rem; border: 0; background: transparent; color: var(--ag-muted); cursor: pointer; white-space: nowrap; transition: color 0.15s; }
.ag-button::before { content: ""; position: absolute; z-index: -1; inset: 0.25rem 0; border-radius: 0.5rem; background: transparent; transition: background 0.15s, box-shadow 0.15s; }
.ag-button:hover { color: var(--ag-fg); }
.ag-button:hover::before { background: color-mix(in srgb, var(--ag-fg) 6%, transparent); }
.ag-button[aria-pressed="true"] { color: var(--ag-fg); }
.ag-button[aria-pressed="true"]::before { background: color-mix(in srgb, var(--ag-fg) 8%, transparent); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--ag-fg) 14%, transparent); }
.ag-button:focus-visible { outline: 2px solid var(--ag-accent); outline-offset: -4px; }
.ag-primary { color: var(--ag-bg); font-weight: 600; padding: 0.25rem 0.9rem; }
.ag-primary::before { inset: 0.25rem 0; border-radius: 0.6875rem; background: var(--ag-fg); box-shadow: 0 1px 2px rgba(15, 23, 42, 0.12), 0 6px 16px -8px rgba(15, 23, 42, 0.4); }
.ag-primary:hover { color: var(--ag-bg); }
.ag-primary:hover::before { background: color-mix(in srgb, var(--ag-fg) 86%, var(--ag-bg)); }
/* Theme toggle: Archify's own, a pill track with a knob that slides and carries the sun or moon. */
.ag-theme { width: 4rem; padding: 0; justify-content: center; }
/* The same outer pill as the Model | Graph switch and Export, so the three line up; Archify's track and knob inside it. */
.ag-theme::before { inset: 0.25rem 0; border-radius: 0.6875rem; background: color-mix(in srgb, var(--ag-panel) 78%, transparent); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--ag-border) 85%, transparent), 0 1px 2px rgba(15, 23, 42, 0.04); }
.ag-theme:hover::before { background: color-mix(in srgb, var(--ag-panel) 78%, transparent); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--ag-fg) 22%, transparent), 0 1px 2px rgba(15, 23, 42, 0.04); }
.ag-theme-track { position: absolute; z-index: 0; inset: 0.6875rem 0.5625rem; border-radius: 999px; background: color-mix(in srgb, var(--ag-fg) 9%, transparent); box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.08); transition: background 0.15s; }
.ag-theme:hover .ag-theme-track { background: color-mix(in srgb, var(--ag-fg) 13%, transparent); }
.ag-theme::after { content: ""; position: absolute; z-index: 1; top: 50%; left: 0.6875rem; width: 1.125rem; height: 1.125rem; border-radius: 50%; background: var(--ag-panel); box-shadow: 0 1px 2px rgba(15, 23, 42, 0.18), 0 2px 6px rgba(15, 23, 42, 0.12); transform: translateY(-50%); transition: left 0.22s cubic-bezier(0.22, 1, 0.36, 1); }
.ag-theme[data-on="dark"] .ag-theme-track { background: rgba(148, 163, 184, 0.16); }
.ag-theme[data-on="dark"]::after { left: calc(100% - 0.6875rem - 1.125rem); background: #3b4a63; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4); }
.ag-theme-icon { position: absolute; z-index: 2; top: 50%; left: calc(0.6875rem + 0.1875rem); width: 0.75rem; height: 0.75rem; color: var(--ag-cloud); background: currentColor; transform: translateY(-50%); transition: left 0.22s cubic-bezier(0.22, 1, 0.36, 1); -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cg fill='none' stroke='black' stroke-width='1.7' stroke-linecap='round'%3E%3Ccircle cx='10' cy='10' r='3.1'/%3E%3Cpath d='M10 2.2v1.4M10 16.4v1.4M2.2 10h1.4M16.4 10h1.4M4.5 4.5l1 1M14.5 14.5l1 1M15.5 4.5l-1 1M5.5 14.5l-1 1'/%3E%3C/g%3E%3C/svg%3E") center / contain no-repeat; mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cg fill='none' stroke='black' stroke-width='1.7' stroke-linecap='round'%3E%3Ccircle cx='10' cy='10' r='3.1'/%3E%3Cpath d='M10 2.2v1.4M10 16.4v1.4M2.2 10h1.4M16.4 10h1.4M4.5 4.5l1 1M14.5 14.5l1 1M15.5 4.5l-1 1M5.5 14.5l-1 1'/%3E%3C/g%3E%3C/svg%3E") center / contain no-repeat; }
.ag-theme[data-on="dark"] .ag-theme-icon { left: calc(100% - 0.6875rem - 1.125rem + 0.1875rem); color: #c7d2fe; -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M15.2 12.7A6.3 6.3 0 017.3 4.8a6.3 6.3 0 107.9 7.9Z' fill='none' stroke='black' stroke-width='1.7' stroke-linejoin='round'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M15.2 12.7A6.3 6.3 0 017.3 4.8a6.3 6.3 0 107.9 7.9Z' fill='none' stroke='black' stroke-width='1.7' stroke-linejoin='round'/%3E%3C/svg%3E"); }
.ag-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.ag-bar { display: flex; align-items: center; gap: 0.5rem; padding: 0.35rem var(--ag-gutter) 0.9rem; flex-wrap: wrap; }
.ag-query-wrap { flex: 1 1 18rem; display: flex; align-items: center; gap: 0.5rem; min-width: 0; background: var(--ag-input); border: 1px solid var(--ag-input-border); border-radius: 0.5625rem; padding: 0 0.6rem; }
.ag-query-wrap:focus-within { border-color: var(--ag-accent); }
.ag-query { flex: 1; min-width: 0; height: 2.125rem; border: 0; background: transparent; color: var(--ag-input-fg); font-family: var(--ag-mono); font-size: 0.875rem; outline: none; }
.ag-query::placeholder { color: var(--ag-muted); opacity: 0.8; }
.ag-clear { border: 0; background: transparent; color: var(--ag-muted); font-size: 1rem; cursor: pointer; padding: 0 0.1rem; }
.ag-clear:hover { color: var(--ag-fg); }
.ag-count { font-family: var(--ag-mono); font-size: 0.8125rem; color: var(--ag-muted); white-space: nowrap; margin: 0 0.35rem 0 0.25rem; }
.ag-count.is-error { color: var(--ag-error); }
.ag-main { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 20rem; min-height: 0; }
.ag-main.is-side-hidden { grid-template-columns: minmax(0, 1fr); }
.ag-canvas { position: relative; min-width: 0; min-height: 0; }
.ag-cy { position: absolute; inset: 0; }
.ag-legend { position: absolute; left: var(--ag-gutter); bottom: 1rem; display: flex; align-items: center; gap: 0.4rem; flex-wrap: wrap; z-index: 2; max-width: calc(100% - 2 * var(--ag-gutter)); }
.ag-chip { display: inline-flex; align-items: center; gap: 0.4rem; font: inherit; font-size: 0.75rem; padding: 0.2rem 0.6rem; border-radius: 999px; border: 1px solid var(--ag-border); background: color-mix(in srgb, var(--ag-panel) 85%, transparent); color: var(--ag-fg); cursor: pointer; backdrop-filter: blur(6px); }
.ag-chip::before { content: ""; width: 0.55rem; height: 0.55rem; border-radius: 2px; background: var(--c); }
.ag-chip[aria-pressed="false"] { opacity: 0.45; text-decoration: line-through; }
.ag-chip small { color: var(--ag-muted); font-family: var(--ag-mono); }
.ag-side { border-left: 1px solid var(--ag-border); background: var(--ag-panel); overflow: auto; padding: 1.1rem var(--ag-gutter) 1.5rem; min-width: 0; }
.ag-side h2 { margin: 0; font-size: 1.0625rem; font-weight: 700; display: flex; align-items: center; gap: 0.5rem; }
.ag-dot { display: inline-block; width: 0.6rem; height: 0.6rem; border-radius: 50%; background: var(--c, var(--ag-external)); flex: none; }
.ag-id { font-family: var(--ag-mono); color: var(--ag-muted); font-size: 0.75rem; margin: 0.25rem 0 0.8rem; word-break: break-all; }
.ag-side p { margin: 0 0 0.8rem; line-height: 1.5; white-space: pre-line; }
.ag-side h3 { margin: 0.9rem 0 0.4rem; font-size: 0.6875rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ag-muted); font-weight: 700; }
.ag-link { display: inline-flex; align-items: baseline; gap: 0.35rem; line-height: 1.4; font: inherit; font-family: var(--ag-mono); font-size: 0.75rem; padding: 0.15rem 0.55rem; margin: 0 0.3rem 0.35rem 0; border: 1px solid var(--ag-border); border-radius: 999px; background: transparent; color: var(--ag-fg); cursor: pointer; text-align: left; max-width: 100%; }
.ag-link:hover { border-color: var(--ag-accent); }
.ag-link.is-static { cursor: default; }
.ag-link.is-static:hover { border-color: var(--ag-border); }
.ag-link.is-accepted .ag-dot { background: var(--ag-backend); } .ag-link.is-proposed .ag-dot { background: var(--ag-cloud); } .ag-link.is-rejected .ag-dot { background: var(--ag-security); } .ag-link.is-superseded .ag-dot { background: var(--ag-external); }
.ag-empty { color: var(--ag-muted); }
.ag-side-actions { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.6rem; }
.ag-help { position: absolute; top: 0.5rem; right: 20.75rem; z-index: 5; width: min(26rem, calc(100% - 2rem)); max-height: calc(100% - 1rem); overflow: auto; padding: 0.9rem 1rem; border: 1px solid var(--ag-border); border-radius: 0.6875rem; background: var(--ag-panel); box-shadow: 0 16px 40px rgba(0,0,0,.35); }
.ag-main.is-side-hidden .ag-help { right: 0.75rem; }
.ag-help h3 { margin: 0 0 0.5rem; font-size: 0.8125rem; }
.ag-help table { border-collapse: collapse; width: 100%; font-size: 0.8125rem; }
.ag-help td { padding: 0.25rem 0.4rem 0.25rem 0; vertical-align: top; border-top: 1px solid var(--ag-border); }
.ag-help td:first-child { font-family: var(--ag-mono); white-space: nowrap; color: var(--ag-accent); cursor: pointer; }
.ag-help td:first-child:hover { text-decoration: underline; }
.ag-help p { margin: 0.6rem 0 0; color: var(--ag-muted); font-size: 0.75rem; }
@media (max-width: 760px) { .ag-main { grid-template-columns: minmax(0, 1fr); grid-template-rows: minmax(0, 1fr) auto; } .ag-side { border-left: 0; border-top: 1px solid var(--ag-border); max-height: 40%; } .ag-help { right: 0.75rem; } }
`;