/* The stylesheet owns every color (prism convention: nobody writes a colour
   in a component). Tokens: light defaults on :root, dark via the OS media
   query (covers the pre-stamp flash and theme=auto), then explicit
   [data-theme] blocks — the stamped resolved theme always wins. */
:root {
  color-scheme: light dark;
  --bg: #f2f2f4;
  --panel: #ffffff;
  --panel-2: #eceef2;
  --border: #d8dce4;
  --border-2: #c4cad6;
  --text: #2a3140;
  --muted: #6b7285;
  --accent: #b8860b;
  --button: #ffffffcc;
  --button-hover: #e8ebf1;
  --button-active: #d3dbeb;
  --error-bg: #fdf0f2ee;
  --error-border: #e3a5b0;
  --error-text: #b13a52;
  --scene-bg: #f4f5f7;
  --grid-major: #b9c2d4;
  --grid-minor: #dde2ea;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c;
    --panel: #181c23;
    --panel-2: #10131a;
    --border: #232a36;
    --border-2: #2c3442;
    --text: #cfd6e4;
    --muted: #8b94a7;
    --accent: #f5c542;
    --button: #1d222bcc;
    --button-hover: #2a3140;
    --button-active: #33405a;
    --error-bg: #201418ee;
    --error-border: #713b47;
    --error-text: #ff8a9a;
    --scene-bg: #14171c;
    --grid-major: #33405a;
    --grid-minor: #232a36;
  }
}
html[data-theme="light"] {
  --bg: #f2f2f4; --panel: #ffffff; --panel-2: #eceef2;
  --border: #d8dce4; --border-2: #c4cad6;
  --text: #2a3140; --muted: #6b7285; --accent: #b8860b;
  --button: #ffffffcc; --button-hover: #e8ebf1; --button-active: #d3dbeb;
  --error-bg: #fdf0f2ee; --error-border: #e3a5b0; --error-text: #b13a52;
  --scene-bg: #f4f5f7; --grid-major: #b9c2d4; --grid-minor: #dde2ea;
}
html[data-theme="dark"] {
  --bg: #14171c; --panel: #181c23; --panel-2: #10131a;
  --border: #232a36; --border-2: #2c3442;
  --text: #cfd6e4; --muted: #8b94a7; --accent: #f5c542;
  --button: #1d222bcc; --button-hover: #2a3140; --button-active: #33405a;
  --error-bg: #201418ee; --error-border: #713b47; --error-text: #ff8a9a;
  --scene-bg: #14171c; --grid-major: #33405a; --grid-minor: #232a36;
}
html[data-theme="midnight"] {
  --bg: #0b0e16; --panel: #0e1220; --panel-2: #090c14;
  --border: #1b2236; --border-2: #242e4a;
  --text: #c8d2ec; --muted: #7d88a6; --accent: #7aa2ff;
  --button: #131a2ccc; --button-hover: #1c2540; --button-active: #28345c;
  --error-bg: #1d1220ee; --error-border: #6b3b71; --error-text: #ff8ad2;
  --scene-bg: #0b0e16; --grid-major: #2a3654; --grid-minor: #1b2236;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body, #root { height: 100%; }
body { overflow: hidden; background: var(--bg); color: var(--text);
  font: 12px/1.5 "SF Mono", ui-monospace, Menlo, monospace;
  /* UI chrome never selects — drags across tabs/rows/buttons must not paint
     selection. Selectable things opt back in below. */
  user-select: none; }
/* opt-in: code, text entry, and read-out surfaces (logs, errors, paths) */
input, textarea, .cm-content, .detail-log, .errors, .statusbar .path { user-select: text; }
button { font: inherit; }

.app { display: flex; flex-direction: column; height: 100%; }

/* ── titlebar (frameless drag surface) ── */
.titlebar { height: 38px; flex: none; display: flex; align-items: center; gap: 10px;
  padding: 0 10px; background: var(--panel-2); border-bottom: 1px solid var(--border);
  -webkit-app-region: drag; user-select: none; }
body.mac .titlebar { padding-left: 78px; } /* traffic lights */
/* an open menu owns every click: drag surfaces stand down so the click
   dismisses the menu instead of dragging the window */
body.menu-open .titlebar, body.menu-open .tb-center { -webkit-app-region: no-drag; }
.titlebar button { -webkit-app-region: no-drag;
  background: var(--button); color: var(--text); border: 1px solid var(--border-2);
  border-radius: 5px; padding: 3px 8px; cursor: pointer;
  display: flex; align-items: center; }
.titlebar button .icon { display: block; }
.titlebar button:hover { background: var(--button-hover); }
.titlebar button.active { background: var(--button-active); }
.tb-group { display: flex; gap: 6px; flex: none; }

/* ── main split ── */
.main { flex: 1; display: flex; min-height: 0; }

.sidebar { width: 210px; min-width: 140px; flex: none; display: flex; flex-direction: column;
  background: var(--panel-2); border-right: 1px solid var(--border); }
.sidebar-head { height: 28px; flex: none; display: flex; align-items: center; gap: 6px;
  justify-content: space-between; padding: 0 6px 0 10px;
  color: var(--muted); border-bottom: 1px solid var(--border); white-space: nowrap; }
.project-section { margin-bottom: 2px; }
.project-section.focused .project-head { box-shadow: inset 2px 0 0 var(--accent); }
.project-head { display: flex; align-items: center; gap: 5px; padding: 4px 6px 4px 8px;
  cursor: pointer; color: var(--text); }
.project-head:hover { background: var(--button-hover); }
.project-caret { color: var(--muted); width: 10px; flex: none; }
.project-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.project-count { color: var(--muted); font-size: 10px; border: 1px solid var(--border-2);
  border-radius: 8px; padding: 0 5px; flex: none; }
.file-list .file.open-tab { color: var(--text); }
.sidebar-head-btns { display: flex; gap: 2px; }
.project-menu-btn { background: none; border: none; color: var(--muted); cursor: pointer;
  padding: 0 5px; border-radius: 4px; }
.project-menu-btn:hover { background: var(--button-active); color: var(--text); }
.file-list { flex: 1; overflow-y: auto; padding: 4px 0; }
.file-list .dir { padding: 3px 10px; color: var(--muted); opacity: 0.8; }
.file-list .file { padding: 3px 10px; cursor: pointer; white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis; }
.file-list .file:hover { background: var(--button-hover); }
.file-list .file.active { background: var(--button-active); }
.file-list .file.inert { cursor: default; color: var(--muted); }
.file-list .file .ext { color: var(--muted); }
.file-list .file .file-dirty { color: var(--accent); margin-left: 6px; font-size: 9px; }

/* width comes from JS (clampPanes) — a CSS max here would strand the
   splitter, which is drawn AT the state value */
.editor-pane { flex: none; display: flex;
  flex-direction: column; background: var(--panel); border-right: 1px solid var(--border); }

/* ── file tabs ── */
.tabbar { height: 30px; flex: none; display: flex; align-items: stretch; overflow-x: auto;
  background: var(--panel-2); border-bottom: 1px solid var(--border); scrollbar-width: none; }
.tabbar::-webkit-scrollbar { display: none; }
.tab { display: flex; align-items: center; gap: 5px; padding: 0 8px 0 10px; cursor: pointer;
  color: var(--muted); border-right: 1px solid var(--border); white-space: nowrap; max-width: 180px; }
.tab:hover { background: var(--button-hover); }
.tab.active { background: var(--panel); color: var(--text);
  box-shadow: inset 0 2px 0 var(--accent); }
.tab-name { overflow: hidden; text-overflow: ellipsis; }
.tab-dirty { color: var(--accent); flex: none; }
.tab-view { color: var(--muted); flex: none; font-size: 10px; }

/* content column: tab strip above the editor|viewport row */
.content { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.content-row { flex: 1; min-height: 0; display: flex; position: relative; }
.editor-pane.fill { flex: 1; width: auto !important; max-width: none; border-right: none; }
.tab-close { color: var(--muted); border-radius: 3px; padding: 0 3px; flex: none; visibility: hidden; }
.tab:hover .tab-close { visibility: visible; }
.tab-close:hover { background: var(--button-active); color: var(--text); }
.editor-host { flex: 1; overflow: hidden; }
/* visiting another file over the tab — back button leads, filename trails */
.visit-bar { flex: none; display: flex; align-items: center; gap: 6px; padding: 3px 8px;
  background: var(--panel-2); border-bottom: 1px solid var(--border); font-size: 11px; }
/* two matching pills: gray = where back goes, accent = the file you're IN */
.visit-pill { display: inline-flex; align-items: center; background: var(--button);
  border: 1px solid var(--border-2); border-radius: 4px; padding: 1px 8px; font: inherit;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.visit-pill.back { color: var(--muted); cursor: pointer; }
.visit-pill.back:hover { background: var(--button-hover); color: var(--text); }
.visit-pill.active { color: var(--accent); }
.visit-ro { margin-left: 7px; font-style: normal; font-size: 9px; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--muted); }
.visit-dirty { display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); margin-left: 6px; cursor: pointer; }
.visit-dirty:hover { box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 35%, transparent); }
.editor-host .cm-editor { height: 100%; }
.editor-host .cm-editor.cm-focused { outline: none; }

/* Splitters OVERLAY their seam instead of consuming layout width — panes sit
   flush, so canvas overlays keep the same inset whether a pane is open or
   not, and the grab strip stays comfortably wide without stealing pixels.
   Position comes inline: left = editor width, right = detail width. */
.splitter { position: absolute; top: 0; bottom: 0; width: 9px; margin-left: -4px;
  margin-right: -4px; z-index: 8; cursor: col-resize; }
.splitter::after { content: ""; position: absolute; top: 0; bottom: 0; left: 3px; width: 3px;
  background: var(--button-active); opacity: 0; transition: opacity 90ms ease; }
.splitter:hover::after, .splitter.dragging::after { opacity: 1; }

/* min-width 0 lets the viewport yield instead of overflowing the row — the
   JS clamp keeps it at/above MIN_VIEW, this is just the safety net */
.viewport { flex: 1; position: relative; min-width: 0; overflow: hidden; }

/* ── detail panel (the "why is this here" inspector) ── */
.detail-panel { flex: none; border-left: 1px solid var(--border);
  background: var(--panel); overflow-y: auto; font-size: 11px; padding-bottom: 8px; }
.detail-hint { padding: 4px 10px; color: var(--muted); font-style: italic; }
.detail-head { display: flex; justify-content: space-between; align-items: center;
  padding: 6px 10px; color: var(--accent); }
.detail-head button { background: var(--button); color: var(--muted); border: 1px solid var(--border-2);
  border-radius: 4px; padding: 0 6px; font: inherit; cursor: pointer; }
.detail-head button:hover { background: var(--button-hover); color: var(--text); }
.detail-head-btns { display: flex; gap: 4px; }
.detail-tabs { display: flex; gap: 2px; padding: 0 8px 4px; border-bottom: 1px solid var(--border); }
.detail-tabs button { flex: 1; background: none; border: none; border-bottom: 2px solid transparent;
  color: var(--muted); font: inherit; font-size: 10px; padding: 2px 0; cursor: pointer; }
.detail-tabs button.active { color: var(--text); border-bottom-color: var(--accent); }
.detail-tabs button:hover { color: var(--text); }
.detail-param-name.linked { cursor: pointer; }
.detail-param-name.linked:hover { color: var(--text); text-decoration: underline; }
.detail-note { padding: 2px 10px 6px; color: var(--text); }
.detail-op { padding: 0 10px 2px; color: var(--muted); }
.detail-op b { color: var(--text); font-weight: 600; }
.detail-args { padding: 0 10px 6px; color: var(--muted); font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 10px; word-break: break-all; }
.detail-section { padding: 6px 10px 2px; color: var(--muted); text-transform: uppercase;
  font-size: 9px; letter-spacing: 0.08em; }
.detail-section.collapsible { cursor: pointer; user-select: none; }
.detail-section.collapsible:hover { color: var(--text); }
.detail-caret { display: inline-block; margin-right: 4px; transition: transform 0.12s; }
.detail-caret.open { transform: rotate(90deg); }
/* sub-headers INSIDE a collapsible section (bom groups, paint/geometry) */
.detail-sub { padding: 4px 10px 1px; color: var(--muted); text-transform: uppercase;
  font-size: 9px; letter-spacing: 0.08em; opacity: 0.75; }

/* ── part-library palette (detail panel, svg mode) ── */
.palette { display: flex; flex-direction: column; gap: 4px; padding: 2px 6px 8px; }
.palette-search { background: var(--button); color: var(--text); border: 1px solid var(--border-2);
  border-radius: 4px; padding: 2px 6px; font: inherit; font-size: 11px; margin: 0 4px; }
.palette-list { display: flex; flex-direction: column; }
.palette-item { display: flex; align-items: center; gap: 8px; padding: 3px 4px; border-radius: 4px;
  cursor: grab; }
.palette-item:hover { background: var(--button-active); }
.palette-item:active { cursor: grabbing; }
.palette-thumb { width: 42px; height: 26px; flex: none; background: var(--button);
  border: 1px solid var(--border-2); border-radius: 3px; }
.palette-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-family: "SF Mono", ui-monospace, Menlo, monospace; font-size: 10px; }
.palette-src { color: var(--muted); font-size: 9px; flex: none; margin-left: auto; }
.detail-row { display: flex; justify-content: space-between; gap: 8px; padding: 3px 10px;
  cursor: pointer; }
.detail-row:hover { background: var(--button-active); }
.detail-row-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.detail-row.leaf .detail-row-label { color: var(--text); }
.detail-row.candidate .detail-row-label { color: var(--muted); font-style: italic; }
.detail-row-line { color: var(--muted); flex: none; }
.detail-param { display: flex; align-items: center; gap: 6px; padding: 2px 10px; }
.detail-param-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  color: var(--muted); }
.detail-param input { width: 88px; flex: none; background: var(--button); color: var(--text);
  border: 1px solid var(--border-2); border-radius: 4px; padding: 1px 5px; font: inherit;
  font-size: 10px; font-family: "SF Mono", ui-monospace, Menlo, monospace; }
.detail-param.overridden input { border-color: var(--accent); color: var(--accent); }
.detail-param button { background: none; border: none; color: var(--muted); cursor: pointer;
  font: inherit; padding: 0 2px; }
.detail-param button:hover { color: var(--text); }
.detail-log { padding: 2px 10px; color: var(--muted); font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 10px; word-break: break-word; }
.detail-log.warn { color: #e0b341; }
.detail-log.err { color: #ff5c8f; }
.viewport canvas { display: block; position: absolute; inset: 0; }

/* ── viewport overlays ── */
.spinner { position: absolute; top: 12px; right: 12px; z-index: 5; color: var(--accent); }
.spinner .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); animation: pulse 0.9s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.2; } }

.toast { position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%);
  background: var(--panel); border: 1px solid var(--border-2); border-radius: 6px;
  padding: 6px 14px; z-index: 6; }

.errors { position: absolute; left: 10px; right: 10px; bottom: 10px; max-height: 40%;
  background: var(--error-bg); border: 1px solid var(--error-border); border-radius: 6px;
  z-index: 6; display: flex; flex-direction: column; }
.errors-title { padding: 6px 10px; color: var(--error-text); border-bottom: 1px solid var(--error-border);
  display: flex; justify-content: space-between; align-items: center; }
.errors button { background: none; border: none; color: var(--error-text); font-size: 14px; cursor: pointer; }
.errors pre { padding: 8px 10px; overflow: auto; white-space: pre-wrap; }

.statusbar { height: 26px; flex: none; display: flex; justify-content: space-between;
  align-items: center; gap: 12px; padding: 0 10px; white-space: nowrap;
  background: var(--panel-2); border-top: 1px solid var(--border); color: var(--muted); }
.statusbar .path { overflow: hidden; text-overflow: ellipsis; }

/* ── floating: context menu ── */
.ctx-menu { position: fixed; z-index: 30; min-width: 180px; max-width: 340px; padding: 4px;
  background: var(--panel); border: 1px solid var(--border-2); border-radius: 7px;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.4); }
.ctx-item { display: flex; align-items: center; gap: 4px; padding: 4px 10px 4px 4px;
  border-radius: 4px; cursor: pointer; white-space: nowrap; }
.ctx-item:hover:not(.disabled) { background: var(--button-active); }
.ctx-item.disabled { color: var(--muted); cursor: default; opacity: 0.6; }
.ctx-check { width: 16px; text-align: center; color: var(--accent); flex: none; }
.ctx-label { flex: 1; }
.ctx-hint { color: var(--muted); margin-left: 16px; overflow: hidden; text-overflow: ellipsis;
  white-space: nowrap; flex: 1; text-align: right; min-width: 0; }
.ctx-sep { height: 1px; background: var(--border); margin: 4px 6px; }

/* utility: imperative code (measure chips) toggles this — lost in a rewrite
   once, which left an empty chip pill haunting the canvas corner */
.hidden { display: none !important; }

/* preview lock — padlock alone when following the editor, padlock + the
   pinned filename when locked (inspection into an include locks it) */
/* chip row in the canvas corner: padlock + files — clear of the splitter */
/* statusbar problems chip + diagnostic hover tip */
.sb-problems { background: none; border: none; cursor: pointer; font: inherit; display: flex;
  gap: 8px; padding: 0 6px; flex: none; }
.sb-problems em { font-style: normal; }
.sb-err { color: #e5534b; }
.sb-warn { color: #d4a72c; }
.cm-diag-tip { max-width: 440px; padding: 4px 8px; font-size: 11px; line-height: 1.5;
  overflow-wrap: anywhere; }
/* the tip must never intercept clicks or drags */
.cm-tooltip:has(> .cm-diag-tip) { pointer-events: none; }
.cm-diag-tip .err { color: #e5534b; }
.cm-diag-tip .warn { color: #d4a72c; }

/* stale-preview badge: the last compile FAILED, the mesh is old */
.vp-invalid { position: absolute; top: 10px; left: 50%; transform: translateX(-50%); z-index: 8;
  background: color-mix(in srgb, #e5534b 22%, var(--panel-2)); border: 1px solid #e5534b;
  color: var(--text); border-radius: 8px; padding: 3px 12px; cursor: pointer; font: inherit;
  font-size: 11px; }
.vp-invalid:hover { background: color-mix(in srgb, #e5534b 34%, var(--panel-2)); }

/* ── navigation cube (Fusion-style, top right) ── */
.view-cube { position: absolute; top: 10px; right: 10px; z-index: 7; width: 92px; height: 92px;
  opacity: 0.82; transition: opacity 0.15s; }
.view-cube:hover { opacity: 1; }
.view-cube canvas { display: block; cursor: grab; }
/* invisible hover bridge down to the snap pill (it sits below the box) */
.view-cube::after { content: ""; position: absolute; left: 0; right: -8px; bottom: -30px; height: 30px; }
.vc-arrow { position: absolute; top: -4px; width: 22px; height: 22px; border-radius: 50%;
  background: var(--button); border: 1px solid var(--border-2); color: var(--muted);
  cursor: pointer; font-size: 13px; line-height: 1; display: flex; align-items: center;
  justify-content: center; padding: 0; opacity: 0; transition: opacity 0.15s; }
.view-cube:hover .vc-arrow { opacity: 1; }
.vc-arrow:hover { background: var(--button-hover); color: var(--text); }
.vc-left { left: -6px; }
.vc-right { right: -6px; }
.vc-snap { position: absolute; bottom: -26px; right: -6px; z-index: 1; /* above the hover bridge */
  background: var(--button); border: 1px solid var(--border-2); border-radius: 8px;
  color: var(--muted); cursor: pointer; font: inherit; font-size: 9px; padding: 1px 8px;
  opacity: 0; transition: opacity 0.15s; }
.view-cube:hover .vc-snap { opacity: 0.75; }
/* unambiguous but quiet: ON reads a muted accent dot, OFF reads struck + dim */
.vc-snap.active { border-color: color-mix(in srgb, var(--accent) 40%, var(--border-2)); }
.vc-snap.active::before { content: "● "; color: color-mix(in srgb, var(--accent) 55%, var(--muted));
  font-size: 7px; vertical-align: 1px; }
.vc-snap:not(.active) { text-decoration: line-through; opacity: 0; }
.view-cube:hover .vc-snap:not(.active) { opacity: 0.45; }
.vc-snap:hover { background: var(--button-hover); color: var(--text); opacity: 1; }

.vp-chips { position: absolute; top: 8px; left: 8px; z-index: 7; display: flex; gap: 6px;
  max-width: calc(100% - 16px); }
.vp-chips button { display: flex; align-items: center; justify-content: center; gap: 6px;
  height: 27px; padding: 0 9px; font: inherit; font-size: 12px; cursor: pointer;
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  border: 1px solid var(--border-2); border-radius: 6px; color: var(--muted); }
.vp-chips button:hover { color: var(--text); }
/* icon-only reads as a square badge, same height as the labelled state */
.prov-lock:not(.locked) { width: 27px; padding: 0 !important; }
.prov-lock.locked { color: var(--accent) !important; }
.prov-lock span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.deps-chip { white-space: nowrap; }
.deps-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); }
/* the measure readout shares this corner — step it below the padlock */
.viewport.has-lock .measure-readout { top: 43px; }

/* face → source footer (provenance hover) */
.prov-footer { position: absolute; right: 12px; bottom: 12px; z-index: 6; pointer-events: none;
  background: color-mix(in srgb, var(--panel) 92%, transparent); border: 1px solid var(--border-2);
  border-radius: 6px; padding: 4px 9px; font-size: 11px; color: var(--muted);
  max-width: min(360px, calc(100% - 24px)); text-align: left; }
.prov-footer > div { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.prov-footer .prov-note { color: var(--text); white-space: normal; display: -webkit-box;
  -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.prov-footer .prov-dims { color: var(--muted); }

/* ── measure tool ── */
.measure-labels { position: absolute; inset: 0; pointer-events: none; z-index: 6; overflow: hidden; }
.measure-chip { position: absolute; background: var(--panel); border: 1px solid var(--border-2);
  border-radius: 5px; padding: 1px 7px; font-size: 11px; color: var(--text); white-space: nowrap;
  transform: translate(-50%, -100%); box-shadow: 0 2px 8px rgba(0,0,0,0.35); }
.measure-chip.cursor { transform: none; color: var(--accent); }
.measure-chip.pinned { border-color: #ff5c8f; }
.measure-readout { position: absolute; top: 12px; left: 12px; z-index: 6; min-width: 180px;
  max-width: 280px; background: color-mix(in srgb, var(--panel) 92%, transparent);
  border: 1px solid var(--border-2); border-radius: 8px; padding: 8px 10px; }
.measure-readout-head { display: flex; justify-content: space-between; align-items: center;
  color: var(--accent); margin-bottom: 4px; }
.measure-readout-head button { background: var(--button); color: var(--muted); border: 1px solid var(--border-2);
  border-radius: 4px; padding: 0 6px; font: inherit; font-size: 10px; cursor: pointer; }
.measure-readout-head button:hover { background: var(--button-hover); color: var(--text); }
.measure-hint { color: var(--muted); font-size: 11px; }
.measure-row { padding: 1px 0; }
.measure-total { border-top: 1px solid var(--border); margin-top: 4px; padding-top: 4px; color: var(--accent); }

/* ── dialogs ── */
.modal-overlay { position: fixed; inset: 0; z-index: 40; display: flex;
  align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--bg) 55%, transparent); backdrop-filter: blur(2px); }
.modal { min-width: 320px; max-width: 480px; padding: 16px;
  background: var(--panel); border: 1px solid var(--border-2); border-radius: 10px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5); }
.modal-title { font-weight: bold; margin-bottom: 8px; }
.modal-message { color: var(--muted); margin-bottom: 10px; white-space: pre-wrap; }
.modal-label { color: var(--muted); margin-bottom: 4px; }
.modal-input { width: 100%; padding: 5px 8px; margin-bottom: 12px; font: inherit;
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border-2);
  border-radius: 5px; outline: none; }
.modal-input:focus { border-color: var(--accent); }
.modal-buttons { display: flex; justify-content: flex-end; gap: 8px; }
.modal-buttons button { background: var(--button); color: var(--text);
  border: 1px solid var(--border-2); border-radius: 5px; padding: 4px 14px; cursor: pointer; }
.modal-buttons button:hover { background: var(--button-hover); }
.modal-buttons button.primary { background: var(--button-active); }
.modal-buttons button.danger { border-color: var(--error-border); color: var(--error-text); }

/* ── titlebar center: the flexible space DRAGS the window; the title text is
      the only control in it (shrinks to content, never the whole strip) ── */
.tb-center { flex: 1; min-width: 0; display: flex; justify-content: center;
  -webkit-app-region: drag; }
.tb-title { flex: none; max-width: 100%; text-align: center; color: var(--muted);
  background: none; border: none; cursor: pointer; padding: 3px 10px; border-radius: 5px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tb-title:hover { background: var(--button-hover); color: var(--text); }
.tb-title-static { color: var(--muted); padding: 3px 10px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tb-caret { color: var(--muted); font-size: 9px; }
.tb-dirty { color: var(--accent); cursor: pointer; -webkit-app-region: no-drag; }
.tb-dirty:hover { text-shadow: 0 0 5px color-mix(in srgb, var(--accent) 60%, transparent); }

/* empty state: part of the viewport, not an overlay — orbit still works around it */
.empty-state { position: absolute; inset: 0; z-index: 4; display: flex;
  align-items: center; justify-content: center; pointer-events: none; }
.empty-card { pointer-events: auto; min-width: 320px; max-width: 440px; max-height: 80%;
  overflow-y: auto; padding: 20px;
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  border: 1px solid var(--border); border-radius: 12px; }
.empty-title { font-size: 17px; margin-bottom: 12px; color: var(--accent); }
.empty-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 6px; }
.empty-actions button { background: var(--button); color: var(--text);
  border: 1px solid var(--border-2); border-radius: 5px; padding: 5px 12px; cursor: pointer; }
.empty-actions button:hover { background: var(--button-hover); }
.empty-group { color: var(--muted); margin: 12px 0 4px; }
.empty-recent { padding: 4px 8px; border-radius: 5px; cursor: pointer; white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis; }
.empty-recent:hover { background: var(--button-hover); }
.empty-path { color: var(--muted); margin-left: 8px; font-size: 11px; }
.empty-hint { color: var(--muted); margin-top: 12px; }

.settings-modal { min-width: 380px; }
.set-group { color: var(--muted); margin: 14px 0 6px; text-transform: uppercase; font-size: 10px;
  letter-spacing: 0.08em; }
.set-row { display: flex; align-items: center; gap: 8px; padding: 3px 0; cursor: pointer; }
.set-hint { color: var(--muted); margin-left: auto; }
.set-themes { display: flex; gap: 6px; flex-wrap: wrap; }
.set-theme { display: flex; align-items: center; gap: 5px; padding: 4px 10px; cursor: pointer;
  border: 1px solid var(--border-2); border-radius: 5px; background: var(--button); }
.set-theme.active { background: var(--button-active); }
.set-theme input { display: none; }
.set-note { color: var(--muted); margin: 14px 0 10px; font-size: 11px; }
.set-libs input { width: 100%; background: var(--button); color: var(--text);
  border: 1px solid var(--border-2); border-radius: 5px; padding: 4px 8px; font: inherit;
  font-size: 11px; }
.set-libs .set-hint { display: block; margin: 4px 0 0; }
.set-note code { color: var(--text); }

.drop-hint { position: fixed; inset: 38px 0 26px 0; z-index: 10; display: flex;
  align-items: center; justify-content: center; font-size: 16px; color: var(--accent);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  border: 2px dashed var(--accent); pointer-events: none; }

/* ── SVG editor rich context menu (.context-menu — ported from spectra-hub;
     distinct from .ctx-menu, FAB's plain menu) ── */
.context-menu { position: fixed; z-index: 10010; min-width: 180px; max-height: calc(100vh - 8px);
  overflow-y: auto; background: var(--panel); border: 1px solid var(--border-2); border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25); padding: 4px 0; font: inherit; }
.context-menu__item { display: flex; align-items: center; width: 100%; padding: 6px 12px; border: none;
  background: transparent; color: var(--text); cursor: pointer; font: inherit; font-size: 12px;
  text-align: left; white-space: nowrap; transition: background 0.15s; }
.context-menu__item:hover, .context-menu__item--focused { background: var(--button-hover); }
.context-menu__item--disabled { opacity: 0.4; pointer-events: none; }
.context-menu__item--active { color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent); box-shadow: inset 3px 0 0 var(--accent); }
.context-menu__item--active:hover { background: color-mix(in srgb, var(--accent) 18%, transparent); }
.context-menu__icon { display: inline-flex; align-items: center; width: 16px; margin-right: 8px; flex-shrink: 0; }
.context-menu__icon svg { width: 14px; height: 14px; fill: currentColor; }
.context-menu__label-group { display: flex; flex-direction: column; min-width: 0; }
.context-menu__subtitle { font-size: 0.8em; color: var(--muted); overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; }
.context-menu__item--danger { color: var(--error-text); }
.context-menu__section { padding: 6px 12px 2px; font-size: 10px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); opacity: 0.7; }
.context-menu__divider { height: 1px; background: var(--border); margin: 4px 0; }
.context-menu__btn-group { display: flex; margin: 4px 8px; border: 1px solid var(--border);
  border-radius: 4px; overflow: hidden; }
.context-menu__btn-group-item { flex: 1; padding: 4px 0; border: none; border-right: 1px solid var(--border);
  background: transparent; color: var(--muted); cursor: pointer; font: inherit; font-size: 11px;
  text-align: center; transition: background 0.1s, color 0.1s; }
.context-menu__btn-group-item:last-child { border-right: none; }
.context-menu__btn-group-item:hover { background: var(--button-hover); color: var(--text); }
.context-menu__btn-group--focused:not(.context-menu__btn-group--labeled) {
  outline: 1px solid color-mix(in srgb, var(--muted) 30%, transparent); outline-offset: -1px; border-radius: 4px; }
.context-menu__btn-group-item--focused { background: var(--button-hover); color: var(--text); }
.context-menu__btn-group-item--active { background: var(--accent); color: #fff; }
.context-menu__btn-group-item--active.context-menu__btn-group-item--focused {
  background: var(--accent); outline: 1px solid var(--muted); outline-offset: -1px; }
.context-menu__btn-group-item--active:hover { background: var(--accent); color: #fff; }
.context-menu__btn-group--labeled { margin: 0; padding: 0; border: none; border-radius: 0;
  align-items: center; gap: 0; }
.context-menu__btn-group-label { flex: 1; padding: 6px 10px; border: none; background: transparent;
  color: var(--text); cursor: pointer; font: inherit; font-size: 12px; text-align: left; transition: background 0.1s; }
.context-menu__btn-group-label--static { color: var(--muted); }
.context-menu__btn-group--labeled:hover, .context-menu__btn-group-label--focused { background: var(--button-hover); }
.context-menu__btn-group--labeled .context-menu__btn-group-item { flex: none; padding: 3px 8px; margin: 3px 0;
  font-size: 11px; border: 1px solid var(--border); border-radius: 0; background: var(--bg);
  position: relative; z-index: 1; }
.context-menu__btn-group--labeled .context-menu__btn-group-item--focused,
.context-menu__btn-group--labeled .context-menu__btn-group-item:hover { background: var(--button-hover); }
.context-menu__btn-group--labeled .context-menu__btn-group-item:first-child,
.context-menu__btn-group--labeled .context-menu__btn-group-label + .context-menu__btn-group-item {
  border-radius: 4px 0 0 4px; margin-left: 4px; }
.context-menu__btn-group--labeled .context-menu__btn-group-item:last-child {
  border-radius: 0 4px 4px 0; margin-right: 8px; }
.context-menu__btn-group--labeled .context-menu__btn-group-label + .context-menu__btn-group-item:last-child {
  border-radius: 4px; }
.context-menu__slider { display: flex; align-items: center; gap: 6px; padding: 4px 10px; min-height: 28px; }
.context-menu__slider-label { font-size: 11px; color: var(--muted); flex-shrink: 0; min-width: 40px; }
.context-menu__slider-input { flex: 1; min-width: 60px; height: 16px; accent-color: var(--accent);
  cursor: pointer; -webkit-appearance: none; appearance: none; background: transparent; }
.context-menu__slider-input::-webkit-slider-runnable-track { height: 4px; border-radius: 2px; background: var(--border-2); }
.context-menu__slider-input::-webkit-slider-thumb { -webkit-appearance: none; width: 12px; height: 12px;
  border-radius: 50%; background: var(--accent); border: 2px solid var(--bg); margin-top: -4px; cursor: pointer; }
.context-menu__slider-value { font-size: 11px; color: var(--muted); min-width: 28px; text-align: right;
  font-variant-numeric: tabular-nums; }
.context-menu__slider-text { width: 38px; padding: 2px 4px; border: 1px solid var(--border); border-radius: 3px;
  background: var(--bg); color: var(--text); font: inherit; font-size: 11px; text-align: center; outline: none;
  font-variant-numeric: tabular-nums; }
.context-menu__slider-text:focus { border-color: var(--accent); }
.context-menu__slider-btn { padding: 2px 6px; border: 1px solid var(--border); border-radius: 3px;
  background: var(--bg); color: var(--muted); font: inherit; font-size: 10px; cursor: pointer; flex-shrink: 0; }
.context-menu__slider-btn:hover { background: var(--button-hover); color: var(--text); }
.context-menu__input-row { display: flex; align-items: center; gap: 6px; padding: 4px 10px; min-height: 28px; }
.context-menu__input-label { font-size: 11px; color: var(--muted); flex-shrink: 0; min-width: 40px; }
.context-menu__input-field { flex: 1; min-width: 50px; padding: 3px 6px; border: 1px solid var(--border);
  border-radius: 4px; background: var(--bg); color: var(--text); font: inherit; font-size: 11px; outline: none; }
.context-menu__input-field:focus { border-color: var(--accent); }
.context-menu__input-btn { padding: 3px 8px; border: 1px solid var(--border); border-radius: 4px;
  background: var(--bg); color: var(--muted); font: inherit; font-size: 11px; cursor: pointer; flex-shrink: 0; }
.context-menu__input-btn:hover { background: var(--button-hover); color: var(--text); }
.context-menu__color-swatch { display: inline-block; width: 18px; height: 18px; border-radius: 3px;
  border: 1px solid var(--border-2); cursor: pointer; flex-shrink: 0; box-shadow: inset 0 0 0 1px rgba(0,0,0,0.1); }
.context-menu__color-picker { padding: 8px; min-width: auto; width: 200px; }
.context-menu__sv-area { position: relative; width: 100%; height: 130px; border-radius: 4px;
  cursor: crosshair; overflow: hidden; margin-bottom: 8px; }
.context-menu__sv-white { position: absolute; inset: 0; background: linear-gradient(to right, #fff, transparent); }
.context-menu__sv-black { position: absolute; inset: 0; background: linear-gradient(to top, #000, transparent); }
.context-menu__sv-cursor { position: absolute; width: 10px; height: 10px; border: 2px solid #fff;
  border-radius: 50%; box-shadow: 0 0 2px rgba(0,0,0,0.6); transform: translate(-50%, -50%); pointer-events: none; }
.context-menu__hue-track { position: relative; width: 100%; height: 12px; border-radius: 6px; cursor: pointer;
  margin-bottom: 8px; background: linear-gradient(to right, hsl(0,100%,50%), hsl(60,100%,50%), hsl(120,100%,50%),
  hsl(180,100%,50%), hsl(240,100%,50%), hsl(300,100%,50%), hsl(360,100%,50%)); }
.context-menu__hue-cursor { position: absolute; top: -1px; width: 6px; height: 14px; border: 2px solid #fff;
  border-radius: 3px; box-shadow: 0 0 2px rgba(0,0,0,0.5); transform: translateX(-50%); pointer-events: none; }
.context-menu__alpha-wrap { position: relative; width: 100%; height: 12px; cursor: pointer; margin-bottom: 8px; }
.context-menu__alpha-track { position: absolute; inset: 0; border-radius: 6px; overflow: hidden;
  background-image: linear-gradient(45deg, #ccc 25%, transparent 25%), linear-gradient(-45deg, #ccc 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #ccc 75%), linear-gradient(-45deg, transparent 75%, #ccc 75%);
  background-size: 8px 8px; background-position: 0 0, 0 4px, 4px -4px, -4px 0; }
.context-menu__alpha-gradient { position: absolute; inset: 0; }
.context-menu__color-grid { display: grid; grid-template-columns: repeat(10, 1fr); gap: 2px; }
.context-menu__color-cell { width: 14px; height: 14px; border-radius: 2px; border: 1px solid transparent;
  cursor: pointer; padding: 0; box-shadow: inset 0 0 0 1px rgba(0,0,0,0.1); }
.context-menu__color-cell--active { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.context-menu__color-cell--none, .context-menu__color-swatch--none { background: #fff; position: relative; overflow: hidden; }
.context-menu__color-cell--none::after, .context-menu__color-swatch--none::after { content: ""; position: absolute;
  inset: 0; background: linear-gradient(to top right, transparent calc(50% - 1px), #e55 calc(50% - 1px),
  #e55 calc(50% + 1px), transparent calc(50% + 1px)); }
.context-menu__color-cell--current, .context-menu__color-swatch--current { background: var(--border);
  display: flex; align-items: center; justify-content: center; }
.context-menu__color-cell-label { font-family: Georgia, "Times New Roman", serif; font-weight: 700;
  font-size: 10px; line-height: 1; color: var(--text); pointer-events: none; }
.context-menu__color-cell:hover { border-color: var(--muted); transform: scale(1.2); }
.context-menu__color-custom { display: flex; align-items: center; gap: 6px; margin-top: 6px; padding-top: 6px;
  border-top: 1px solid var(--border); }
.context-menu__color-preview { width: 18px; height: 18px; border-radius: 3px; border: 1px solid var(--border-2);
  flex-shrink: 0; box-shadow: inset 0 0 0 1px rgba(0,0,0,0.1); }
.context-menu__color-hex-input { flex: 1; min-width: 0; padding: 2px 4px; border: 1px solid var(--border);
  border-radius: 3px; background: var(--bg); color: var(--text); font: inherit; font-size: 11px;
  font-variant-numeric: tabular-nums; outline: none; }
.context-menu__color-hex-input:focus { border-color: var(--accent); }
.context-menu__submenu-trigger { display: flex; align-items: center; justify-content: space-between;
  padding: 6px 12px; cursor: default; font-size: 12px; white-space: nowrap; color: var(--text); }
.context-menu__submenu-trigger:hover { background: var(--button-hover); }
.context-menu__submenu-arrow { margin-left: 12px; opacity: 0.5; flex-shrink: 0; }
.context-menu--submenu { z-index: 10011; }
/* selection opt-in inside the rich menu (inputs already opt in globally) */
.context-menu, .context-menu * { user-select: none; }
.context-menu input { user-select: text; }

/* ── SVG canvas pane (the vector "viewport") ── */
.svg-pane { display: flex; flex-direction: column; flex: 1; min-width: 0; min-height: 0; background: var(--scene-bg); position: relative; }

/* ── view toolbar: the surface-owned tool strip (3D viewport + svg canvas
   share one look; overflow spills into a trailing "…" menu) ── */
.view-pane { display: flex; flex-direction: column; flex: 1; min-width: 0; min-height: 0; }
.view-toolbar { display: flex; align-items: center; gap: 6px; padding: 4px 8px; flex: none;
  position: relative; overflow: hidden; white-space: nowrap;
  background: var(--panel-2); border-bottom: 1px solid var(--border); color: var(--muted); }
.view-toolbar .lbl { font-size: 10px; }
.view-toolbar button { background: var(--button); border: 1px solid var(--border-2); border-radius: 6px;
  color: var(--muted); cursor: pointer; font: inherit; font-size: 11px; padding: 1px 8px; flex: none; }
.view-toolbar button:hover { background: var(--button-hover); color: var(--text); }
.view-toolbar button.active { background: var(--button-active); color: var(--text); }
.view-toolbar button.dim { opacity: 0.45; }
.view-toolbar input[type="range"] { width: 80px; accent-color: var(--accent); }
.view-toolbar .sep { width: 1px; height: 14px; background: var(--border-2); flex: none; }
.view-toolbar .vt-spring { flex: 1; min-width: 0; }
.view-toolbar .vt-trailing { margin-left: auto; display: flex; gap: 6px; align-items: center; }
/* icon buttons: glyph on top, optional 9px label under it */
.view-toolbar .vt-btn { display: flex; flex-direction: column; align-items: center; gap: 1px;
  padding: 3px 7px 2px; line-height: 1; }
.view-toolbar .vt-btn .icon { display: block; }
.view-toolbar .vt-lbl { font-size: 9px; line-height: 1; }
.view-toolbar .vt-ico-row { display: flex; align-items: center; gap: 2px; }
.view-toolbar .vt-caret { font-size: 7px; line-height: 1; opacity: 0.7; }
/* split buttons: body runs the default, the ▾ segment opens the menu */
.view-toolbar .vt-split { display: inline-flex; align-items: stretch; flex: none; }
.view-toolbar .vt-split .vt-split-main { border-radius: 6px 0 0 6px; border-right: none; }
.view-toolbar .vt-split .vt-split-arrow { border-radius: 0 6px 6px 0; border: 1px solid var(--border-2);
  background: var(--button); color: var(--muted); cursor: pointer; font-size: 7px; padding: 0 4px;
  display: flex; align-items: center; }
.view-toolbar .vt-split .vt-split-arrow:hover { background: var(--button-hover); color: var(--text); }
.view-toolbar .vt-split.active .vt-split-main { background: var(--button-active); color: var(--text); }
.view-toolbar .vt-split.dim { opacity: 0.45; }
.view-toolbar .vt-node { display: contents; }
.ctx-badge { margin-left: 10px; font-size: 9px; padding: 0 6px; border: 1px solid var(--border-2);
  border-radius: 6px; color: var(--muted); cursor: pointer; flex: none; }
/* nested submenus: hover the row, panel opens beside it */
.ctx-item { position: relative; }
.ctx-arrow { margin-left: auto; color: var(--muted); font-size: 9px; flex: none; }
.ctx-item .ctx-hint + .ctx-arrow { margin-left: 6px; }
.ctx-submenu { display: none; position: absolute; left: calc(100% - 4px); top: -5px; }
.ctx-menu.sub-left .ctx-submenu { left: auto; right: calc(100% - 4px); }
.ctx-item:hover > .ctx-submenu { display: block; }
.ctx-badge:hover { background: var(--button-hover); color: var(--text); border-color: var(--accent); }
.ctx-item.disabled .ctx-badge { pointer-events: auto; opacity: 1; }
/* value chips (snap step, grid size, zoom readout): number sits in the
   icon slot so every control in the strip is the same height */
.view-toolbar .vt-val { display: block; font-size: 11px; line-height: 16px; min-width: 20px;
  text-align: center; font-variant-numeric: tabular-nums; }
.view-toolbar .vt-stack { background: transparent; border-color: transparent; cursor: default; }
.view-toolbar .vt-more { align-self: stretch; display: flex; align-items: center; }
.vt-ruler { position: absolute; visibility: hidden; pointer-events: none; top: -100px; left: 0;
  display: flex; gap: 6px; width: 0; overflow: hidden; }
.vt-ruler > * { flex: none; }
.vt-ruler .vt-btn { display: flex; flex-direction: column; align-items: center; gap: 1px;
  padding: 3px 7px 2px; line-height: 1; font: inherit; border: 1px solid var(--border-2); }
.vt-ruler .vt-lbl { font-size: 9px; line-height: 1; }
.svg-view { flex: 1; overflow: hidden; position: relative; }
.svg-stage { position: absolute; top: 0; left: 0; overflow: visible; transform-origin: 0 0; }
.svg-bgchips { display: flex; gap: 8px; padding: 6px 12px; border-top: 1px solid var(--border);
  justify-content: center; flex: none; align-items: center; background: var(--panel-2); }
.svg-bgchip { width: 32px; height: 32px; border-radius: 4px; padding: 4px; display: flex;
  align-items: center; justify-content: center; cursor: pointer; border: 1px solid var(--border-2); }
.svg-bgchip.on { outline: 2px solid var(--accent); outline-offset: 1px; }
.svg-bgchip svg { width: 100%; height: 100%; }

/* ── @ directive attachments ── */
.attach-labels { position: absolute; inset: 0; pointer-events: none; z-index: 6; overflow: hidden; }
.attach-label-chip { position: absolute; background: var(--panel); border: 1px solid var(--border-2);
  border-radius: 5px; padding: 1px 7px; font-size: 11px; color: var(--text); white-space: nowrap;
  transform: translate(-50%, -115%); box-shadow: 0 2px 8px rgba(0,0,0,0.35); }
.attach-anchor-chip { position: absolute; background: color-mix(in srgb, var(--panel) 80%, transparent);
  border: 1px solid var(--border-2); border-radius: 4px; padding: 0 5px; font-size: 10px;
  color: var(--muted); white-space: nowrap; transform: translate(8px, -50%); }
.attach-panel { position: absolute; bottom: 12px; left: 12px; z-index: 6;
  background: color-mix(in srgb, var(--panel) 92%, transparent); border: 1px solid var(--border-2);
  border-radius: 8px; padding: 7px 10px; font-size: 11px; color: var(--text);
  display: flex; flex-direction: column; gap: 4px; max-width: 220px; }
.attach-explode { display: flex; align-items: center; gap: 7px; color: var(--muted); }
.attach-explode input[type="range"] { width: 110px; accent-color: var(--accent); }
.attach-tag { display: flex; align-items: center; gap: 6px; cursor: pointer; user-select: none; }
.attach-tag input { accent-color: var(--accent); margin: 0; }

/* directive rows / tooltip card / customizer in the detail panel */
.detail-row.directive .detail-row-label a { cursor: pointer; }
.detail-tip { margin: 4px 10px; padding: 6px 9px; background: var(--button);
  border: 1px solid var(--border-2); border-radius: 6px; font-size: 11px; color: var(--muted);
  cursor: pointer; }
.detail-tip-title { color: var(--text); font-weight: 600; margin-bottom: 2px; }
.detail-param-group { padding: 5px 10px 1px; font-size: 10px; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--muted); opacity: 0.8; }
.detail-param.slider input[type="range"] { flex: 1; min-width: 0; accent-color: var(--accent); }
.detail-param-val { font-size: 11px; color: var(--text); min-width: 34px; text-align: right; }
.detail-param select { flex: 1; min-width: 0; background: var(--button); color: var(--text);
  border: 1px solid var(--border-2); border-radius: 4px; font: inherit; font-size: 11px; padding: 1px 4px; }
.detail-param.check input[type="checkbox"] { accent-color: var(--accent); margin-left: auto; }
.prov-footer .prov-tip-title { color: var(--text); font-weight: 600; }
.prov-footer .prov-tip-text { color: var(--text); white-space: normal; }

/* the injected document must FILL the stage — the file's own width/height
   attributes (e.g. "48mm") would otherwise pin it at fixed CSS size while
   the frame/grid/overlay scale with zoom */
.svg-doc > svg { width: 100%; height: 100%; }
/* svg text default face — matches DEFAULT_TEXT_FONT (fab.ts) so the
   editor, image exports, and previews agree; without this the inline
   svg inherited the app's MONOSPACE ui font */
.svg-doc > svg, .svg-bgchip > svg { font-family: 'Roboto', 'Helvetica Neue', 'Segoe UI', Arial, sans-serif; }

/* ── export center (image / gerber / pcb previews) ── */
.export-backdrop { position: absolute; inset: 0; z-index: 9; display: flex; align-items: center;
  justify-content: center; background: rgba(0, 0, 0, 0.45); }
.export-panel { display: flex; flex-direction: column; width: min(960px, calc(100% - 48px));
  height: calc(100% - 48px); max-height: 720px; background: var(--panel);
  border: 1px solid var(--border-2); border-radius: 10px; padding: 10px 12px 12px; font-size: 11px;
  color: var(--text); box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45); }
.export-head { display: flex; align-items: center; gap: 14px; padding-bottom: 10px; }
.export-title { font-size: 12px; color: var(--text); font-weight: 600; }
.export-doc { color: var(--muted); font-weight: 400; }
.export-x { margin-left: auto; background: none; border: none; color: var(--muted); font: inherit;
  font-size: 15px; line-height: 1; cursor: pointer; padding: 2px 6px; border-radius: 4px; }
.export-x:hover { color: var(--text); background: var(--button); }
.export-seg { display: inline-flex; border: 1px solid var(--border-2); border-radius: 6px;
  overflow: hidden; flex: none; align-self: flex-start; }
.export-seg button { background: transparent; border: none; border-left: 1px solid var(--border-2);
  color: var(--muted); font: inherit; cursor: pointer; padding: 3px 12px; }
.export-seg button:first-child { border-left: none; }
.export-seg button.active { background: color-mix(in srgb, var(--accent) 16%, transparent);
  color: var(--accent); }
.export-seg button:disabled { opacity: 0.35; cursor: default; }
/* the svg-art seg carries 5 options — tighter cells, wrap allowed */
.export-art .export-seg { flex-wrap: wrap; }
.export-art .export-seg button { padding: 3px 7px; }

/* raster file viewer pane */
.image-pane { flex: 1; min-width: 0; display: flex; flex-direction: column; overflow: hidden; }
.image-pane-stage { flex: 1; min-height: 0; display: flex; align-items: center; justify-content: center; padding: 16px;
  background-image: linear-gradient(45deg, var(--border-2) 25%, transparent 25%), linear-gradient(-45deg, var(--border-2) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--border-2) 75%), linear-gradient(-45deg, transparent 75%, var(--border-2) 75%);
  background-size: 16px 16px; background-position: 0 0, 0 8px, 8px -8px, -8px 0; }
.image-pane-stage img { max-width: 100%; max-height: 100%; object-fit: contain; image-rendering: auto; }
.image-pane-info { padding: 6px 10px; color: var(--muted); font-size: 12px; border-top: 1px solid var(--border-2); }
.export-body { display: flex; gap: 12px; flex: 1; min-height: 0; }
.export-view { position: relative; flex: 1; min-width: 0; border: 1px solid var(--border-2);
  border-radius: 8px; overflow: hidden; background: #1c1c20; }
.export-view canvas { display: block; cursor: grab; }
.export-view canvas:active { cursor: grabbing; }
.export-viewbar { position: absolute; right: 8px; bottom: 8px; display: flex; align-items: center;
  gap: 8px; padding: 3px 6px 3px 10px; border-radius: 6px; color: var(--muted);
  background: color-mix(in srgb, var(--panel) 85%, transparent); border: 1px solid var(--border-2); }
.export-viewbar button { background: var(--button); color: var(--text); border: 1px solid var(--border-2);
  border-radius: 4px; font: inherit; cursor: pointer; padding: 1px 8px; }
.export-side { width: 210px; flex: none; display: flex; flex-direction: column; gap: 10px; min-height: 0; }
.export-group { display: flex; flex-direction: column; gap: 5px; }
.export-group.export-grow { flex: 1; min-height: 0; }
.export-label { font-size: 9px; letter-spacing: 0.09em; text-transform: uppercase; color: var(--muted); }
.export-label-row { display: flex; align-items: center; gap: 6px; }
.export-check { display: flex; align-items: center; gap: 6px; color: var(--text); cursor: pointer; }
.export-row { display: flex; align-items: center; gap: 6px; }
.export-num { width: 60px; background: var(--button); color: var(--text); border: 1px solid var(--border-2);
  border-radius: 4px; font: inherit; padding: 2px 6px; }
.export-hint { color: var(--muted); line-height: 1.5; }
.export-spring { flex: 1; }
.export-save { background: color-mix(in srgb, var(--accent) 18%, transparent); color: var(--accent);
  border: 1px solid var(--accent); border-radius: 6px; font: inherit; cursor: pointer;
  padding: 6px 10px; width: 100%; }
.export-save:hover { background: color-mix(in srgb, var(--accent) 28%, transparent); }
.export-lite { background: none; border: none; color: var(--muted); font: inherit; cursor: pointer;
  padding: 2px 0; text-align: left; }
.export-lite:hover { color: var(--text); }
.export-swatches { display: flex; gap: 6px; flex-wrap: wrap; }
.export-swatch { width: 22px; height: 22px; border-radius: 5px; border: 1px solid var(--border-2);
  cursor: pointer; padding: 0; }
.export-swatch.on { outline: 2px solid var(--accent); outline-offset: 1px; }
.fab-files { display: flex; flex-direction: column; gap: 1px; overflow-y: auto; min-height: 0; }
.fab-file { display: flex; align-items: center; gap: 6px; padding: 2px 4px; border-radius: 4px; }
.fab-file:hover { background: color-mix(in srgb, var(--muted) 10%, transparent); }
.fab-file.solo { background: color-mix(in srgb, var(--accent) 18%, transparent); }
.fab-dot { width: 9px; height: 9px; border-radius: 2px; flex: none; border: 1px solid var(--border-2); }
.fab-name { cursor: pointer; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fab-name:hover { color: var(--accent); }
.fab-save { margin-left: auto; background: none; border: none; color: var(--muted); font: inherit;
  font-size: 10px; cursor: pointer; padding: 0 3px; border-radius: 3px; visibility: hidden; }
.fab-file:hover .fab-save { visibility: visible; }
.fab-save:hover { color: var(--accent); }

/* ── svg layers panel ── */
.svg-view { position: relative; }
.svg-layers { position: absolute; top: 10px; right: 10px; z-index: 7; min-width: 150px; max-width: 230px;
  background: color-mix(in srgb, var(--panel) 93%, transparent); border: 1px solid var(--border-2);
  border-radius: 8px; padding: 6px 0; font-size: 11px; color: var(--text); }
.svg-layers-head { display: flex; justify-content: space-between; align-items: center; padding: 0 8px 4px;
  color: var(--accent); }
.svg-layers-head button { background: var(--button); color: var(--text); border: 1px solid var(--border-2);
  border-radius: 4px; font: inherit; cursor: pointer; padding: 0 6px; }
.svg-layer-row { display: flex; align-items: center; gap: 5px; padding: 2px 8px 2px 8px; cursor: pointer;
  user-select: none; }
.svg-layer-row:hover { background: color-mix(in srgb, var(--accent) 10%, transparent); }
.svg-layer-row.current { background: color-mix(in srgb, var(--accent) 18%, transparent); }
.svg-layer-row button { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 11px;
  padding: 0 2px; line-height: 1.3; }
.svg-layer-eye.off, .svg-layer-lock.on { color: var(--accent); }
.svg-layer-name { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.svg-layer-row input { flex: 1; min-width: 0; background: var(--button); color: var(--text);
  border: 1px solid var(--border-2); border-radius: 3px; font: inherit; padding: 0 4px; }
.svg-layers-empty { padding: 2px 10px; color: var(--muted); }
.svg-layers.inline { position: static; border: none; background: none; padding: 0 0 4px;
  min-width: 0; max-width: none; }
.svg-layers.inline .svg-layers-head { display: none; }