/* Copyright 2026 AeroVect. All rights reserved. */
/* Layout A — icon tool rail + contextual panel + inspector + status bar.
 *
 *   ┌────┬───────────┬──────────────────────────┬────────────┐
 *   │rail│ context   │          canvas          │ inspector  │
 *   │56px│ 310px     │                          │ resizable  │
 *   ├────┴───────────┴──────────────────────────┴────────────┤
 *   │ status bar 30px                                         │
 *   └─────────────────────────────────────────────────────────┘
 *
 * Loaded after style.css and overrides its floating-panel geometry. The
 * canvas is sized to the space between the panels (the viewer reads
 * clientWidth/Height), so framing and picking stay correct; js/layout_a.js
 * keeps --ctx-w / --insp-w in step and fires a resize when they change.
 */

:root {
  --bg-0: #05070A;
  --bg-rail: #0A0D12;
  --bg-panel: #0E1218;
  --bg-raised: #161C26;
  --bg-btn: #1E2532;
  --bg-head: #131A26;
  --line: #2C3646;
  --line-2: #46536A;
  --line-3: #55627A;
  --fg: #F5F7FA;
  --fg-2: #D6DDE8;
  --fg-3: #C5CFDD;
  --accent: #2F7BFF;
  --eyebrow: #6FA8FF;
  --key: #9FB4D6;
  --warn: #FFB020;
  --ok: #3BE15A;
  --err: #FF5A5A;
  --coords: #9FE6FF;
  --font-ui: 'Onest', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --rail-w: 56px;
  --ctx-w: 310px;            /* 0px while collapsed */
  --insp-w: var(--right-panel-width, 280px);
  --status-h: 30px;
}

body {
  background: var(--bg-0);
  color: var(--fg);
  font-family: var(--font-ui);
  font-size: 13px;
}

/* ── canvas: the space between the panels ─────────────────────────── */
#viewer-canvas {
  top: 0;
  left: calc(var(--rail-w) + var(--ctx-w));
  right: auto;
  bottom: auto;
  /* A canvas is a replaced element: it does not stretch between left/right
     or top/bottom, so its box is given explicitly. */
  width: calc(100vw - var(--rail-w) - var(--ctx-w) - var(--insp-vis-w, var(--insp-w)));
  height: calc(100vh - var(--status-h));
}
body.insp-hidden { --insp-vis-w: 0px; }

/* ── rail ─────────────────────────────────────────────────────────── */
#edit-dock {
  position: fixed;
  top: 0; left: 0; right: auto;
  bottom: var(--status-h);
  width: var(--rail-w);
  z-index: 110;
  display: flex;
  flex-direction: column;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-start;
  gap: 2px;
  padding: 6px 0;
  background: var(--bg-rail);
  border: none;
  border-right: 2px solid var(--line);
  border-radius: 0;
  box-shadow: none;
  backdrop-filter: none;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: none;
}
#edit-dock .dock-sep {
  width: 40px; height: 2px; flex: none;
  background: var(--line);
  margin: 3px 0;
}
#edit-dock button.rail-btn {
  position: relative;
  flex: none;
  width: 44px; height: 30px;
  padding: 0;
  display: flex; align-items: center; justify-content: center;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: #FFFFFF;
  font: 800 11px var(--font-ui);
  letter-spacing: .02em;
  cursor: pointer;
}
#edit-dock button.rail-btn:hover { background: var(--bg-btn); }
#edit-dock button.rail-btn.active { background: var(--accent); color: #fff; border: none; }
#edit-dock .rail-key {
  position: absolute; right: 2px; top: 0;
  font: 700 9px var(--font-mono);
  color: var(--key);
}
#edit-dock button.rail-btn.active .rail-key { color: #fff; }

/* ── context panel ────────────────────────────────────────────────── */
#left-panel {
  position: fixed;
  top: 0; left: var(--rail-w);
  bottom: var(--status-h);
  width: var(--ctx-w);
  min-width: 0; max-width: none; max-height: none;
  padding: 0;
  display: flex; flex-direction: column;
  background: var(--bg-panel);
  border: none;
  border-right: 2px solid var(--line);
  border-radius: 0;
  backdrop-filter: none;
  overflow: hidden;
  z-index: 100;
}
body.ctx-collapsed #left-panel { display: none; }

#ctx-tabs {
  flex: none;
  width: 310px;
  display: grid;
  grid-template-columns: repeat(4, 1fr) 40px;
  background: var(--bg-rail);
  border-bottom: 2px solid var(--line);
}
#ctx-tabs button {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 9px 2px 7px;
  border: none;
  border-radius: 0;
  border-bottom: 3px solid transparent;
  background: transparent;
  color: #FFFFFF;
  cursor: pointer;
}
#ctx-tabs button:hover { background: var(--bg-raised); }
#ctx-tabs .ctx-tab.is-on { background: var(--bg-panel); border-bottom-color: #FFFFFF; }
#ctx-collapse { border-left: 1px solid var(--line) !important; }
.ctx-tab-ab { font: 800 12px var(--font-ui); letter-spacing: .06em; }
#ctx-collapse .ctx-tab-ab { font-size: 16px; line-height: 1; }
.ctx-tab-key { font: 700 10px var(--font-mono); color: #C5D6F2; }

#ctx-pages { flex: 1; min-height: 0; overflow-y: auto; overflow-x: hidden; scrollbar-width: thin; scrollbar-color: var(--line-2) transparent; }
.ctx-page { padding: 14px 16px 18px; display: flex; flex-direction: column; gap: 14px; }
.ctx-page[hidden] { display: none; }

.ctx-file-head > div:first-child { display: flex; align-items: center; gap: 6px; }
#left-panel h2.ctx-app-title {
  margin: 0; flex: 1;
  font: 800 15px var(--font-ui);
  letter-spacing: 0; text-transform: none; color: #fff;
}
#left-panel .served-version { margin: 4px 0 0; font: 600 12px var(--font-mono); color: var(--fg-2); }
#left-panel .served-version[data-state="dirty"]   { color: var(--warn); }
#left-panel .served-version[data-state="unknown"] { color: #FF9A6A; }

/* section titles become the design's blue eyebrows */
#left-panel .section { margin: 0; }
#left-panel .section-title,
#left-panel details.collapsible-section > summary,
.eyebrow {
  font: 800 11px var(--font-ui);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--eyebrow);
  border: none;
  padding: 0;
  margin-bottom: 8px;
}
#left-panel details.collapsible-section > summary::before { color: var(--eyebrow); }
#left-panel details.collapsible-section > summary:hover { background: none; color: #fff; }
#left-panel .section-desc { color: var(--fg-2); font-size: 12px; line-height: 1.45; margin-bottom: 8px; }
#left-panel .btn-row { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 6px; margin-bottom: 6px; }
#left-panel .btn-row > * { min-width: 0; }

/* buttons, inputs and selects in the panels */
#left-panel button, #right-panel button, #app-status button, #ctx-expand {
  font: 700 13px var(--font-ui);
  color: #fff;
  background: var(--bg-btn);
  border: 1px solid var(--line-2);
  border-radius: 5px;
  padding: 7px 10px;
  opacity: 1;
}
#left-panel button:hover, #right-panel button:hover, #app-status button:hover { background: #26303F; border-color: var(--line-3); }
#left-panel button.btn-primary, #right-panel button.btn-primary {
  background: var(--accent); border-color: var(--accent); font-weight: 800;
}
#left-panel button.btn-primary:hover { background: #4A8DFF; }
#left-panel button:disabled, #app-status button:disabled { opacity: .45; }
#left-panel input[type=text], #left-panel input[type=number], #left-panel input[type=password],
#left-panel select, #right-panel input[type=text], #right-panel select {
  font: 600 12px var(--font-mono);
  color: #fff;
  background: var(--bg-rail);
  border: 1px solid var(--line-2);
  border-radius: 5px;
  padding: 6px 8px;
}
#left-panel input[type=range], #left-panel input[type=checkbox], #left-panel input[type=radio] { accent-color: var(--accent); }
#left-panel .slider-group label { color: #fff; font-weight: 700; font-size: 12px; }
#left-panel .display-toggle-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 10px; }
#left-panel .display-toggle-label { color: #fff; font-weight: 600; font-size: 13px; display: flex; gap: 8px; align-items: center; }
#left-panel .kbd, #app-status .kbd, #ctx-expand .kbd {
  font: 700 10px var(--font-mono);
  padding: 0 5px;
  border: 1px solid var(--line-3);
  border-radius: 4px;
  background: var(--bg-btn);
  color: #fff;
}
#left-panel #changelog-list { color: #fff; font-size: 12px; }
#left-panel #origin-display { font: 600 12px var(--font-mono); color: #fff; margin-bottom: 8px; }

/* collapsed: a tab on the canvas edge brings it back */
#ctx-expand {
  position: fixed;
  top: 10px; left: var(--rail-w);
  z-index: 105;
  border-left: none;
  border-radius: 0 6px 6px 0;
  font: 800 12px var(--font-ui);
  letter-spacing: .06em;
  background: var(--bg-rail);
}
#ctx-expand[hidden] { display: none; }

/* ── task page (shown while a tool is active) ─────────────────────── */
.ctx-page[data-page="task"] { padding: 0; gap: 0; }
.task-head {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 12px 16px;
  background: var(--bg-head);
  border-bottom: 2px solid var(--line);
}
.task-head .eyebrow { margin: 0 0 2px; }
.task-title { font: 800 16px var(--font-ui); color: #fff; }
#task-close { display: flex; gap: 6px; align-items: center; font-size: 12px; padding: 5px 8px; }
.task-body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 14px; }
.task-desc { font-weight: 600; line-height: 1.45; color: #fff; }
.task-opts { display: none; flex-direction: column; gap: 10px; }
.task-opts.is-on { display: flex; }
.task-opts label { color: #fff !important; font-size: 13px !important; font-weight: 600; }
/* The centerline options keep their own show/hide (centerline mode sets
   display); inside the task page they stack instead of floating. */
#centerline-tune {
  position: static;
  transform: none;
  background: none !important;
  border: none !important;
  padding: 0 !important;
  flex-wrap: wrap;
  white-space: normal !important;
  gap: 10px 14px !important;
  backdrop-filter: none !important;
}

/* ── inspector ────────────────────────────────────────────────────── */
#right-panel {
  position: fixed;
  top: 0; right: 0;
  bottom: var(--status-h);
  height: auto;
  width: var(--insp-w);
  min-width: 280px;
  padding: 0;
  background: var(--bg-panel);
  border: none;
  border-left: 2px solid var(--line);
  border-radius: 0;
  backdrop-filter: none;
}
#right-panel-inspector-fixed { flex: 1; min-height: 0; }
#right-panel-inspector-fixed > h2 {
  display: flex; align-items: center; gap: 8px;
  margin: 0;
  padding: 10px 16px;
  background: var(--bg-rail);
  border-bottom: 1px solid var(--line);
  font: 800 12px var(--font-ui);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #fff;
}
#inspector-summary { margin-left: auto; font: 600 12px var(--font-mono) !important; color: var(--fg-2) !important; letter-spacing: 0; }
#right-panel-toggle-inline { padding: 2px 8px !important; }
#inspector-panel {
  flex: 1; min-height: 0;
  max-height: none !important;
  margin: 0;
  padding: 14px 16px 20px !important;
  background: transparent !important;
  border: none !important;
  border-radius: 0 !important;
  font: 500 13px var(--font-ui) !important;
  color: #fff;
}

/* ── status bar ───────────────────────────────────────────────────── */
#app-status {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  height: var(--status-h);
  z-index: 200;
  display: flex; align-items: center; gap: 12px;
  padding: 0 12px;
  background: var(--bg-rail);
  border-top: 2px solid var(--line);
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
}
#tool-chip {
  display: flex; gap: 6px; align-items: center; flex: none;
  font-weight: 800; color: #fff;
  background: var(--accent);
  padding: 2px 8px;
  border-radius: 4px;
}
#tool-chip .kbd { background: transparent; border-color: #ffffff90; }
#status-bar {
  position: static;
  height: auto;
  flex: 1; min-width: 0;
  display: block;
  padding: 0;
  background: none;
  border: none;
  overflow: hidden; text-overflow: ellipsis;
  font: 600 12px var(--font-ui);
  color: #FFFFFF;
}
#save-state { flex: none; font-weight: 800; color: var(--ok); }
#save-state[data-dirty="true"] { color: var(--warn); }
#app-status .undo-pair { display: flex; gap: 4px; flex: none; }
#app-status .undo-pair button { padding: 1px 8px; font-size: 13px; }
#cursor-overlay {
  position: static;
  height: auto;
  flex: none;
  font: 600 12px var(--font-mono);
  color: var(--coords);
}

/* ── layer HUD: centred over the canvas, not the window ──────────── */
#layer-hud {
  left: calc((var(--rail-w) + var(--ctx-w) + 100vw - var(--insp-vis-w, var(--insp-w))) / 2);
}

#tool-chip-key[hidden] { display: none; }
/* Inline hint colours from the old panel are too faint on the new surface. */
#left-panel [style*="color:#666"], #left-panel [style*="color:#888"], #left-panel [style*="color:#789"],
#left-panel [style*="color:#aaa"], #left-panel [style*="color:#bbb"] { color: var(--fg-2) !important; }

/* ── inspector Edit / Topology: segmented control ─────────────────── */
#inspector-panel .inspector-tab-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  padding: 3px;
  margin: 4px 0 14px;
  background: var(--bg-rail);
  border: 1px solid var(--line);
  border-radius: 7px;
}
#inspector-panel .inspector-tab {
  font: 800 13px var(--font-ui);
  padding: 8px;
  border: none;
  border-radius: 5px;
  background: transparent;
  color: #FFFFFF;
  cursor: pointer;
}
#inspector-panel .inspector-tab:hover { background: var(--bg-raised); }
#inspector-panel .inspector-tab.active,
#inspector-panel .inspector-tab.active:hover { background: #FFFFFF; color: var(--bg-rail); }

/* ── rail: full names on hover (instant), or pinned open ──────────── */
#edit-dock { transition: width .12s ease-out, box-shadow .12s; }
#edit-dock .rail-name, #edit-dock .rail-group { display: none; }
#edit-dock:hover,
#edit-dock:has(:focus-visible),
body.rail-pinned #edit-dock {
  width: 210px;
  align-items: stretch;
  padding: 6px 6px;
}
#edit-dock:hover:not(body.rail-pinned #edit-dock) { z-index: 130; box-shadow: 8px 0 24px #000c; }
#edit-dock:hover button.rail-btn,
#edit-dock:has(:focus-visible) button.rail-btn,
body.rail-pinned #edit-dock button.rail-btn {
  width: 100%;
  justify-content: flex-start;
  gap: 10px;
  padding: 0 8px;
  font-size: 13px;
}
#edit-dock:hover .rail-ab,
#edit-dock:has(:focus-visible) .rail-ab,
body.rail-pinned #edit-dock .rail-ab {
  flex: none; width: 30px; text-align: left;
  font: 800 10px var(--font-mono); color: var(--key);
}
#edit-dock:hover button.rail-btn.active .rail-ab,
body.rail-pinned #edit-dock button.rail-btn.active .rail-ab { color: #fff; }
#edit-dock:hover .rail-name,
#edit-dock:has(:focus-visible) .rail-name,
body.rail-pinned #edit-dock .rail-name {
  display: inline; font: 700 13px var(--font-ui); white-space: nowrap;
}
#edit-dock:hover .rail-key,
#edit-dock:has(:focus-visible) .rail-key,
body.rail-pinned #edit-dock .rail-key {
  position: static; margin-left: auto;
  font: 700 10px var(--font-mono);
  padding: 0 5px; border: 1px solid var(--line-3); border-radius: 4px; background: var(--bg-btn); color: #fff;
}
#edit-dock:hover .dock-sep,
#edit-dock:has(:focus-visible) .dock-sep,
body.rail-pinned #edit-dock .dock-sep { width: auto; height: auto; background: none; margin: 8px 0 2px; }
#edit-dock:hover .rail-group,
#edit-dock:has(:focus-visible) .rail-group,
body.rail-pinned #edit-dock .rail-group {
  display: block; padding: 0 8px;
  font: 800 10px var(--font-ui); letter-spacing: .12em; color: var(--eyebrow);
}
#edit-dock #rail-pin { margin-top: auto; color: var(--key); }
#edit-dock #rail-pin[aria-pressed="true"] { color: #fff; background: var(--bg-btn); }
body.rail-pinned { --rail-w: 210px; }

/* ── inspector: one type scale, one control height, nothing wider than the
 * column. The inspector builds its rows with inline styles, so these rules
 * normalise sizes and leave the semantic colours alone. ─────────────── */
#right-panel { overflow: hidden; }
#inspector-panel { overflow-x: hidden !important; overflow-y: auto !important; font-size: 12px !important; }
#inspector-panel * { max-width: 100%; }
#inspector-panel [style*="font-size:8px"], #inspector-panel [style*="font-size:9px"],
#inspector-panel [style*="font-size:10px"], #inspector-panel [style*="font-size:11px"],
#inspector-panel [style*="font-size: 10px"], #inspector-panel [style*="font-size: 11px"] { font-size: 12px !important; }
#inspector-panel [style*="text-transform:uppercase"], #inspector-panel .inspector-section,
#inspector-panel .inspector-danger-label, #inspector-panel .inspector-row-label {
  font: 800 11px var(--font-ui) !important;
  letter-spacing: .1em !important;
  text-transform: uppercase;
  color: var(--eyebrow) !important;
}
#inspector-panel .inspector-danger-label { color: #FF7A7A !important; }
#inspector-panel button {
  font: 700 12px var(--font-ui) !important;
  min-height: 28px;
  padding: 4px 8px !important;
  border-radius: 5px !important;
  min-width: 0;
  white-space: normal;
  line-height: 1.2;
}
#inspector-panel input:not([type=checkbox]):not([type=radio]), #inspector-panel select, #inspector-panel textarea {
  font: 600 12px var(--font-mono) !important;
  height: 28px;
  padding: 4px 7px !important;
  min-width: 0 !important;
  border-radius: 5px !important;
  box-sizing: border-box;
  color: #fff !important;
  background: var(--bg-rail) !important;
  border: 1px solid var(--line-2) !important;
}
#inspector-panel textarea { height: auto; }
#inspector-panel input::placeholder { color: var(--fg-3); }
#inspector-panel [style*="display:flex"] > input, #inspector-panel [style*="display:flex"] > select { flex: 1 1 0; width: auto !important; }

.inspector-action-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-bottom: 10px; }
.inspector-action-pair > span { grid-column: 1 / -1; justify-self: start; }
.inspector-action-pair > button { width: 100%; }
#inspector-panel .inspector-danger-zone > div[style*="display:flex"] { display: grid !important; grid-template-columns: 1fr 1fr; }
.inspector-warn-chip {
  display: inline-block;
  margin: -2px 0 10px;
  padding: 3px 8px;
  border-radius: 4px;
  background: #3A1214;
  border: 1px solid var(--err);
  color: #FFD2D2;
  font: 700 12px var(--font-ui);
  cursor: help;
}
.inspector-speed-row { display: grid; grid-template-columns: 1fr auto; gap: 6px 8px; align-items: center; margin-bottom: 12px; }
.inspector-speed-row > .inspector-row-label, .inspector-turn-row > .inspector-row-label { grid-column: 1 / -1; }
.inspector-turn-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-bottom: 8px; }
.inspector-turn-row > button { flex: none !important; width: 100%; white-space: nowrap !important; }
.inspector-unit { font: 600 12px var(--font-mono); color: var(--fg-2); white-space: nowrap; }

/* ── tool panels docked in the TASK page ───────────────────────────── */
.docked-tool-panel {
  position: static !important;
  inset: auto !important;
  transform: none !important;
  width: auto !important;
  max-width: none !important;
  max-height: none !important;
  margin: 0 !important;
  padding: 0 !important;
  background: none !important;
  border: none !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
  white-space: normal !important;
}
/* The same type scale as the inspector. */
.task-body { font-size: 12px; color: #fff; }
.task-body [style*="font-size:8px"], .task-body [style*="font-size:9px"],
.task-body [style*="font-size:10px"], .task-body [style*="font-size:11px"] { font-size: 12px !important; line-height: 1.4; }
.task-body [style*="text-transform:uppercase"] {
  font: 800 11px var(--font-ui) !important; letter-spacing: .1em !important; color: var(--eyebrow) !important;
}
.task-body [style*="color:#666"], .task-body [style*="color:#888"], .task-body [style*="color:#aaa"],
.task-body [style*="color:#9ad"], .task-body [style*="color:#789"] { color: var(--fg-2) !important; }
.task-body .slider-group { margin-bottom: 10px !important; }
.task-body .slider-group label { display: flex; justify-content: space-between; font: 700 12px var(--font-ui); color: #fff; }
.task-body .slider-group label span { font-family: var(--font-mono); }
.task-body input[type=range] { width: 100%; accent-color: var(--accent); }
.task-body input[type=checkbox], .task-body input[type=radio] { accent-color: var(--accent); }
.task-body button {
  font: 700 12px var(--font-ui) !important;
  color: #fff;
  background: var(--bg-btn);
  border: 1px solid var(--line-2);
  border-radius: 5px;
  min-height: 28px;
  padding: 4px 8px !important;
}
.task-body button:hover { background: #26303F; }
.task-body button.active { background: var(--accent); border-color: var(--accent); }
.task-body input[type=text], .task-body input[type=number], .task-body select {
  font: 600 12px var(--font-mono) !important;
  color: #fff; background: var(--bg-rail);
  border: 1px solid var(--line-2); border-radius: 5px;
  height: 28px; padding: 4px 7px; min-width: 0;
}
.task-body [style*="border-top:1px solid"] { border-top-color: var(--line) !important; padding-top: 10px !important; }

#right-panel-inspector-fixed > h2 > span:first-child { flex: none; }
#inspector-summary { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
/* Rows the inspector builds as flex wrap instead of squeezing a word apart. */
#inspector-panel [style*="display:flex"] { flex-wrap: wrap; }
#inspector-panel button { white-space: nowrap; }
.inspector-action-pair > button { white-space: normal !important; }
/* The docked panel's own "… — Tune" heading repeats the task title. */
.docked-tool-panel > div:first-child[style*="text-transform:uppercase"] { display: none; }

/* ── dialogs: same surface and type as the panels ─────────────────── */
dialog, #help-modal > div {
  font-family: var(--font-ui) !important;
  background: var(--bg-panel) !important;
  color: #fff !important;
  border: 1.5px solid var(--line-2) !important;
  border-radius: 8px !important;
}
dialog::backdrop { background: #000a; }
dialog h3, #help-modal h2, #help-modal h3 { font-family: var(--font-ui) !important; font-weight: 800 !important; }
dialog [style*="color:#bbb"], dialog [style*="color:#888"], dialog [style*="color:#aaa"], dialog [style*="color:#666"],
#help-modal [style*="color:#bbb"], #help-modal [style*="color:#888"], #help-modal [style*="color:#aaa"], #help-modal [style*="color:#666"],
#help-modal [style*="color:#9ab"], #help-modal [style*="color:#789"] { color: var(--fg-2) !important; }
dialog button { font: 700 12px var(--font-ui); border-radius: 5px; padding: 6px 12px; }
dialog input, dialog select, dialog textarea {
  font: 600 12px var(--font-mono); color: #fff; background: var(--bg-rail);
  border: 1px solid var(--line-2); border-radius: 5px; padding: 5px 8px;
}

/* ── Reg element task page: role cards ─────────────────────────────── */
#reg-panel .reg-label { font: 700 12px var(--font-ui); color: #fff; margin: 0 0 4px; }
#reg-panel .reg-select { width: 100%; margin-bottom: 12px; }
#reg-panel .reg-subtype-locked {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  margin-bottom: 12px; padding: 0; background: none; border: none;
  font: 700 13px var(--font-mono); color: #fff;
}
#reg-panel .reg-change-link { font: 700 12px var(--font-ui); color: var(--eyebrow); text-decoration: underline; }
#reg-panel .reg-role-list {
  display: flex; flex-direction: column; gap: 8px;
  margin: 0 0 10px; padding: 0;
  background: none; border: none; max-height: none; overflow: visible;
}
#reg-panel .reg-role-list li {
  --role: var(--warn);
  display: grid;
  grid-template-columns: 18px 1fr auto auto;
  grid-template-areas: "mk name count min" "mk target target target" "chips chips chips chips";
  align-items: center;
  gap: 2px 6px;
  padding: 9px 12px;
  margin: 0;
  list-style: none;
  border: 2px solid var(--line);
  border-radius: 7px;
  background: var(--bg-panel);
  font-size: 12px;
}
#reg-panel .reg-role-list li:first-child { --role: #22D3EE; }
#reg-panel .reg-role-list li.reg-role-active { border-color: var(--role); background: var(--bg-raised); }
#reg-panel .reg-role-marker { grid-area: mk; font: 800 13px var(--font-ui); }
#reg-panel .reg-role-name { grid-area: name; font: 800 13px var(--font-mono); color: var(--role); }
#reg-panel .reg-role-target { grid-area: target; font: 600 12px var(--font-ui); color: var(--fg-2); }
#reg-panel .reg-role-count { grid-area: count; font: 700 12px var(--font-ui); color: #fff; }
#reg-panel .reg-role-min { grid-area: min; font: 600 11px var(--font-mono); color: var(--fg-2); }
#reg-panel .reg-pick-chips { grid-area: chips; display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
#reg-panel .reg-pick-chip {
  display: inline-flex; align-items: center; gap: 4px;
  font: 700 12px var(--font-mono);
  color: var(--bg-rail); background: var(--role);
  border: none; border-radius: 4px; padding: 2px 4px 2px 7px;
}
#reg-panel .reg-pick-chip button {
  min-height: 0 !important; padding: 0 3px !important;
  background: none !important; border: none !important;
  color: var(--bg-rail) !important; font: 800 12px var(--font-ui) !important;
}
#reg-panel .reg-completion { font: 700 12px var(--font-ui) !important; color: #FFD08A; margin: 0 0 6px; text-align: left; }
#reg-panel .reg-hint { font: 600 12px var(--font-ui) !important; color: var(--fg-2) !important; margin: 0 0 10px; }
#reg-panel .reg-error { font: 700 12px var(--font-ui); }
#reg-panel > div[style*="display:flex"] { display: grid !important; grid-template-columns: 1fr 1fr; gap: 6px !important; margin-bottom: 6px; }
#reg-panel .reg-confirm-btn { background: var(--accent) !important; border-color: var(--accent) !important; }
#reg-panel .reg-confirm-btn:disabled { background: #2A3446 !important; border-color: #2A3446 !important; opacity: 1; color: var(--fg-3) !important; }
#reg-panel .reg-completion.is-complete { color: #7CFF95; }

/* ── Merge: A / B as the design's pick slots ───────────────────────── */
#merge-panel { color: #fff !important; }
#merge-panel > div:first-child { display: none; }          /* "Merge Lanelets" repeats the title */
#merge-panel #merge-row-a, #merge-panel #merge-row-b {
  display: flex; gap: 8px; align-items: center;
  margin-bottom: 6px !important;
  padding: 9px 12px;
  border: 2px dashed var(--line-2);
  border-radius: 7px;
  font: 700 13px var(--font-mono);
}
#merge-panel #merge-row-a > span:first-child, #merge-panel #merge-row-b > span:first-child { color: var(--eyebrow) !important; font-family: var(--font-ui); }
#merge-panel #merge-a-label, #merge-panel #merge-b-label { color: #fff !important; }
#merge-panel #merge-adj, #merge-panel #merge-warning, #merge-panel #merge-error { font: 600 12px var(--font-ui) !important; margin: 4px 0 10px !important; }
#merge-panel #merge-adj { color: var(--fg-2) !important; }

/* ── button rows in any task panel: equal columns, never cut off ───── */
.task-body .docked-tool-panel div[style*="display:flex"]:has(> button) {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 6px !important;
}
.task-body .docked-tool-panel div[style*="display:flex"]:has(> button) > button { width: 100%; flex: none !important; }
#merge-panel .btn-primary:not(:disabled), #connect-tune .btn-primary:not(:disabled), #g2-tune .btn-primary:not(:disabled), #txc-tune .btn-primary:not(:disabled) { background: var(--accent); border-color: var(--accent); }
.task-body button:disabled { background: #2A3446 !important; border-color: #2A3446 !important; color: var(--fg-3) !important; opacity: 1 !important; }

/* ── colour-layer HUD: design tokens, white active row ─────────────── */
#layer-hud {
  --lyr-fs-meta: 11px; --lyr-fs-sm: 12px; --lyr-fs-md: 13px;
  --lyr-surface: var(--bg-rail);
  --lyr-surface-2: var(--bg-raised);
  --lyr-surface-3: #26303F;
  --lyr-border: var(--line-2);
  --lyr-border-soft: var(--line);
  --lyr-ink: #FFFFFF;
  --lyr-ink-2: var(--fg-2);
  --lyr-ink-3: var(--fg-3);
  --lyr-accent: #22D3EE;
  font-family: var(--font-ui);
}
#layer-chip { font: 700 12px var(--font-ui); border: 1.5px solid var(--line-2); }
#layer-popover { padding: 12px; }
#layer-hud .lyr-group-head { font: 800 11px var(--font-ui); letter-spacing: .12em; color: var(--eyebrow); }
#layer-hud .lyr-group-hint { color: var(--fg-3); font-weight: 600; }
#layer-hud .lyr-option { font: 600 13px var(--font-ui); color: #fff; background: var(--bg-raised); border: 1px solid var(--line); border-radius: 5px; }
#layer-hud .lyr-option.is-active { background: #FFFFFF; color: var(--bg-rail); border-color: #FFFFFF; }
#layer-hud .lyr-option kbd, #layer-hud .lyr-option .kbd {
  font: 700 10px var(--font-mono); color: #fff; background: var(--bg-btn); border: 1px solid var(--line-3); border-radius: 4px;
}
#layer-hud .lyr-check { font: 600 13px var(--font-ui); color: #fff; }
#layer-hud .lyr-clear { font: 700 12px var(--font-ui); color: #fff; background: var(--bg-btn); border: 1px solid var(--line-2); border-radius: 5px; }
#layer-legend { font: 600 12px var(--font-ui); color: #fff; }

/* ── right-click menu ──────────────────────────────────────────────── */
#ctx-menu {
  background: var(--bg-rail) !important;
  border: 1.5px solid var(--line-2) !important;
  border-radius: 7px !important;
  padding: 4px !important;
  box-shadow: 0 8px 24px #000c !important;
  min-width: 190px;
}
#ctx-menu button {
  font: 600 13px var(--font-ui) !important;
  color: #fff !important;
  padding: 7px 10px !important;
  border-radius: 5px !important;
}
#ctx-menu button:hover { background: var(--bg-btn) !important; }

/* ── topology "None" ───────────────────────────────────────────────── */
#inspector-panel .inspector-none { color: var(--fg-2); font: 600 12px var(--font-ui); }

/* ── in-page confirm / prompt / choice dialog ──────────────────────── */
#ui-dialog { padding: 0; min-width: 360px; max-width: min(520px, 90vw); }
#ui-dialog .ui-dialog-form { display: flex; flex-direction: column; gap: 12px; padding: 18px 20px; }
#ui-dialog .ui-dialog-title { font: 800 15px var(--font-ui); color: #fff; }
#ui-dialog .ui-dialog-msg { font: 500 13px var(--font-ui); line-height: 1.5; color: var(--fg-2); white-space: pre-wrap; }
#ui-dialog .ui-dialog-msg:empty { display: none; }
#ui-dialog .ui-dialog-input { width: 100%; height: 32px; font: 600 13px var(--font-mono); }
#ui-dialog .ui-dialog-choices { display: flex; flex-direction: column; gap: 6px; max-height: 50vh; overflow-y: auto; }
#ui-dialog .ui-dialog-choice {
  text-align: left; font: 600 13px var(--font-ui); color: #fff;
  background: var(--bg-raised); border: 1px solid var(--line-2); border-radius: 6px; padding: 8px 12px; cursor: pointer;
}
#ui-dialog .ui-dialog-choice:hover, #ui-dialog .ui-dialog-choice:focus-visible { border-color: var(--accent); background: #1B2A44; }
#ui-dialog .ui-dialog-actions { display: flex; justify-content: flex-end; gap: 8px; }
#ui-dialog .ui-dialog-actions button { min-width: 96px; height: 32px; color: #fff; background: var(--bg-btn); border: 1px solid var(--line-2); }
#ui-dialog .ui-dialog-actions button[hidden] { display: none; }
#ui-dialog #ui-dialog-ok { background: var(--accent); border-color: var(--accent); font-weight: 800; }
#ui-dialog #ui-dialog-ok.is-danger { background: #C42B2B !important; border-color: #C42B2B !important; }

/* ── CHECK tab: validation findings ────────────────────────────────── */
#left-panel .findings-head { display: flex; justify-content: space-between; align-items: center; }
#left-panel .findings-keys { font: 700 11px var(--font-ui); letter-spacing: 0; text-transform: none; color: #fff; display: flex; gap: 4px; align-items: center; }
#left-panel .findings-summary { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-bottom: 10px; color: var(--fg-2); font-size: 12px; line-height: 1.45; }
#left-panel .finding-count { font: 800 12px var(--font-ui); border-radius: 4px; padding: 3px 8px; color: #fff; background: #2F4A7A; }
#left-panel .finding-count.is-error { background: #C42B2B; }
#left-panel .finding-count.is-warn { background: var(--warn); color: #1A1200; }
#left-panel .finding-scope { flex-basis: 100%; font: 600 12px var(--font-mono); color: var(--fg-2); }
#left-panel .findings-list { display: flex; flex-direction: column; gap: 4px; }
#left-panel .findings-clean { font: 700 13px var(--font-ui); color: #7CFF95; }
#left-panel button.finding-row {
  display: grid; grid-template-columns: 46px minmax(0, 1fr); gap: 10px; align-items: start; white-space: normal;
  width: 100%; text-align: left;
  padding: 8px 10px;
  background: #121721; border: 1.5px solid var(--line); border-radius: 6px;
  color: #fff; font-weight: 600;
}
#left-panel button.finding-row:hover { border-color: var(--line-3); }
#left-panel button.finding-row.is-active { background: #1B2A44; border-color: var(--eyebrow); }
#left-panel .finding-pill { font: 800 10px var(--font-mono); text-align: center; padding: 3px 0; border-radius: 3px; background: #2F4A7A; color: #fff; }
#left-panel .finding-pill.is-error { background: #C42B2B; }
#left-panel .finding-pill.is-warn { background: var(--warn); color: #1A1200; }
#left-panel .finding-body { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
#left-panel .finding-rule { font: 800 12px var(--font-mono); overflow-wrap: anywhere; }
#left-panel .finding-msg { font: 500 12px var(--font-ui); color: var(--fg-2); overflow-wrap: anywhere; }
#left-panel .finding-target { font: 700 12px var(--font-mono); color: var(--eyebrow); }

/* ── TASK page form fields (Draw, Centerline) ──────────────────────── */
.task-body .task-field, #centerline-tune > label {
  display: grid !important; grid-template-columns: 110px 1fr; align-items: center; gap: 8px;
  font: 700 12px var(--font-ui) !important; color: #fff !important;
}
.task-body .task-field select, #centerline-tune > label select, #centerline-tune > label input[type=number] { width: 100%; }
#centerline-tune { flex-direction: column; align-items: stretch !important; }
#centerline-tune > span:first-child { display: none; }                 /* "Centerline" repeats the title */
#centerline-tune > label:has(input[type=checkbox]) { grid-template-columns: auto 1fr; }
#centerline-tune > label:has(input[type=number]) { grid-template-columns: 110px 1fr auto; }

/* ── hover label: what a click would select ────────────────────────── */
#hover-tip {
  position: fixed;
  z-index: 300;
  pointer-events: none;
  padding: 3px 8px;
  border-radius: 5px;
  background: var(--bg-rail);
  border: 1px solid var(--line-2);
  box-shadow: 0 4px 14px #000a;
  font: 700 12px var(--font-ui);
  color: #fff;
  white-space: nowrap;
}
#hover-tip[hidden] { display: none; }

/* ── overlap pickers (lanelets / polygons / rules) ─────────────────── */
.el-picker, #_ll-picker, #_row-picker {
  position: fixed; z-index: 9998;
  min-width: 230px;
  padding: 4px !important;
  background: var(--bg-rail) !important;
  border: 1.5px solid var(--line-2) !important;
  border-radius: 7px !important;
  box-shadow: 0 8px 24px #000c !important;
  font: 600 13px var(--font-ui) !important;
  color: #fff;
}
.el-picker-head { padding: 4px 8px 6px; font: 800 11px var(--font-ui); letter-spacing: .1em; text-transform: uppercase; color: var(--eyebrow); }
.el-picker-row, #_ll-picker > div, #_row-picker > div {
  display: flex; gap: 8px; align-items: center;
  padding: 6px 8px !important; border-radius: 5px; cursor: pointer; color: #fff !important; white-space: nowrap;
}
.el-picker-row:hover, #_ll-picker > div:hover, #_row-picker > div:hover { background: var(--bg-btn) !important; }
.el-picker-kind { font: 800 10px var(--font-mono); padding: 2px 5px; border-radius: 3px; color: var(--bg-rail); }
.el-picker-kind.is-lanelet { background: #6FA8FF; }
.el-picker-kind.is-polygon { background: #FFB020; }