:root {
  --bg: #0e1116;
  --bg-canvas: #161b22;
  --panel: #1b2230;
  --panel-2: #141a24;
  --border: #2a3340;
  --border-soft: #222b36;
  --text: #d7dee8;
  --text-dim: #8a97a8;
  --accent: #38bdf8;
  --green: #3ddc84;
  --red: #ef5350;
  --grid: #1f2733;
  --grid-strong: #2c3848;
  --teal: #2dd4bf;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 13px/1.4 "Segoe UI", system-ui, -apple-system, sans-serif;
  overflow: hidden;
}

/* ---------- Toolbar ---------- */
.toolbar {
  display: flex; align-items: center; gap: 18px;
  height: 48px; padding: 0 14px;
  background: linear-gradient(180deg, #1a2230, #141a24);
  border-bottom: 1px solid var(--border);
  user-select: none;
}
.brand { font-weight: 700; letter-spacing: .3px; font-size: 14px; color: #eef3f9; }
.brand-sub {
  margin-left: 6px; font-size: 10px; font-weight: 600; letter-spacing: 1px;
  color: var(--accent); text-transform: uppercase; vertical-align: super;
}
.tools { display: flex; gap: 8px; }
.btn {
  background: #232c3a; color: var(--text); border: 1px solid var(--border);
  padding: 6px 12px; border-radius: 6px; cursor: pointer; font-size: 12px;
  transition: background .12s, border-color .12s;
}
.btn:hover { background: #2c3848; border-color: #3a475a; }
.btn:active { background: #1d2532; }
.btn-ghost { background: transparent; }
.btn.active { background: rgba(56,189,248,.16); border-color: var(--accent); color: #eaf6ff; }
.meta { margin-left: auto; color: var(--text-dim); font-size: 12px; }

/* ---------- Layout ---------- */
.layout { display: flex; height: calc(100% - 48px - 38px); }
.stage-wrap { position: relative; flex: 1 1 auto; min-width: 0; background: var(--bg-canvas); --ruler: 22px; }
#stage { position: absolute; left: var(--ruler); top: var(--ruler); right: 0; bottom: 0; }

/* ---------- Rulers ---------- */
.ruler-top {
  position: absolute; left: var(--ruler); top: 0; right: 0; height: var(--ruler);
  background: #12151a; border-bottom: 1px solid var(--border); z-index: 5;
  pointer-events: none;
}
.ruler-left {
  position: absolute; left: 0; top: var(--ruler); bottom: 0; width: var(--ruler);
  background: #12151a; border-right: 1px solid var(--border); z-index: 5;
  pointer-events: none;
}
.ruler-corner {
  position: absolute; left: 0; top: 0; width: var(--ruler); height: var(--ruler);
  background: #12151a; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border);
  z-index: 6; pointer-events: none;
}
.rulers-off .ruler-top, .rulers-off .ruler-left, .rulers-off .ruler-corner { display: none; }
.rulers-off #stage { left: 0; top: 0; }

/* top-bar extras */
.tool-sep { width: 1px; height: 22px; background: var(--border); margin: 0 2px; }
.topselect {
  background: #1d2532; color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 5px 6px; font-size: 12px; font-family: inherit; cursor: pointer;
}
.topselect:focus { outline: none; border-color: var(--accent); }
.btn-sm { padding: 4px 9px; font-size: 11px; }

/* ---------- Tool rail (left) ---------- */
.toolrail {
  flex: 0 0 var(--rail-w, 86px); width: var(--rail-w, 86px);
  background: var(--panel-2); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 4px;
  padding: 8px 6px; overflow-y: auto; user-select: none;
}
.toolrail .tool {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  background: #1d2532; color: var(--text); border: 1px solid var(--border);
  border-radius: 7px; padding: 7px 4px; cursor: pointer;
  font-size: 11px; transition: background .12s, border-color .12s, color .12s;
}
.toolrail .tool:hover { background: #2c3848; border-color: #3a475a; }
.toolrail .tool.active {
  background: rgba(56,189,248,.16); border-color: var(--accent); color: #eaf6ff;
}
.toolrail .tool .ti { font-size: 16px; line-height: 1; }
.toolrail .tool .tl { font-size: 10.5px; letter-spacing: .2px; }
.toolrail .rail-div { height: 1px; background: var(--border); margin: 6px 2px; }
.toolrail .rail-ctl { display: flex; flex-direction: column; gap: 4px; padding: 2px; }
.toolrail .rail-cap {
  font-size: 9.5px; text-transform: uppercase; letter-spacing: .5px;
  color: var(--text-dim);
}
.toolrail .rail-check {
  display: flex; align-items: center; gap: 5px; font-size: 11px; color: var(--text);
  cursor: pointer;
}
.toolrail .rail-check input { accent-color: var(--accent); }
.toolrail .rail-select {
  background: #1d2532; color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 4px 5px; font-size: 10.5px; font-family: inherit;
  width: 100%; cursor: pointer;
}
.toolrail .rail-select:focus { outline: none; border-color: var(--accent); }
.toolrail .rail-num {
  background: #1d2532; color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 4px 5px; font-size: 10.5px; font-family: inherit;
  width: 48px;
}
.toolrail .rail-num:focus { outline: none; border-color: var(--accent); }
.toolrail .rail-btn {
  background: #1d2532; color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 4px 6px; font-size: 10px; font-family: inherit;
  width: 100%; cursor: pointer; text-align: center;
}
.toolrail .rail-btn:hover:not(:disabled) { border-color: var(--accent); }
.toolrail .rail-btn:disabled { opacity: .45; cursor: default; }
.toolrail .rail-hint { font-size: 9.5px; line-height: 1.3; color: var(--accent); }

/* ---------- Equipment library panel (left of the canvas) ---------- */
.library {
  flex: 0 0 188px; width: 188px;
  background: var(--panel-2); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; overflow: hidden;
}
.layout.lib-hidden .library { display: none; }
.lib-head { padding: 8px; border-bottom: 1px solid var(--border); }
.lib-title { font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: var(--accent); margin-bottom: 6px; }
.lib-search {
  width: 100%; background: var(--panel); border: 1px solid var(--border); color: var(--text);
  border-radius: 6px; padding: 5px 7px; font-size: 12px; font-family: inherit;
}
.lib-search:focus { outline: none; border-color: var(--accent); }
#libraryBody { padding: 8px; overflow-y: auto; display: flex; flex-direction: column; gap: 6px; }
.lib-group { font-size: 10px; text-transform: uppercase; letter-spacing: .5px; color: var(--text-dim); margin: 6px 0 2px; }
.lib-card {
  display: grid; grid-template-columns: 50px 1fr; grid-template-rows: auto auto;
  align-items: center; gap: 0 8px;
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  padding: 6px; cursor: pointer; text-align: left; font-family: inherit; color: var(--text);
}
.lib-card:hover { background: #222c3a; border-color: #3a475a; }
.lib-card.active { border-color: var(--accent); background: rgba(56,189,248,.12); }
.lib-card svg { grid-column: 1; grid-row: 1 / span 2; }
.lc-label { grid-column: 2; font-size: 12px; color: var(--text); }
.lc-dim { grid-column: 2; font-size: 10.5px; color: var(--text-dim); }

/* contextual hint pinned to the canvas while a drawing tool is active */
.tool-hint {
  position: absolute; left: 50%; bottom: 10px; transform: translateX(-50%);
  background: rgba(13,17,23,.82); border: 1px solid var(--border);
  padding: 4px 10px; border-radius: 6px; font-size: 11.5px;
  color: var(--accent); pointer-events: none; max-width: 56%; text-align: center;
  display: none;
}
.tool-hint.show { display: block; }

/* mini-map (top-right of the canvas) */
.minimap {
  position: absolute; right: 10px; top: 32px; z-index: 7;
  width: 190px; height: 140px;
  background: rgba(13,17,23,.86); border: 1px solid var(--border);
  border-radius: 8px; cursor: pointer;
}

/* zoom HUD (bottom-right of the canvas) */
.zoom-hud {
  position: absolute; right: 10px; bottom: 10px; z-index: 8;
  display: flex; align-items: center; gap: 2px;
  background: rgba(13,17,23,.86); border: 1px solid var(--border);
  border-radius: 8px; padding: 3px;
}
.zoom-hud button {
  background: transparent; border: none; color: var(--text); cursor: pointer;
  min-width: 28px; height: 24px; border-radius: 5px; font-size: 13px;
  padding: 0 6px; line-height: 1; font-family: inherit;
}
.zoom-hud #zoomPct { min-width: 46px; font-variant-numeric: tabular-nums; font-size: 12px; }
.zoom-hud button:hover { background: #2c3848; }
.zoom-hud .zh-sep { width: 1px; height: 16px; background: var(--border); margin: 0 2px; }

.statusbar {
  position: absolute; left: 10px; bottom: 10px;
  background: rgba(13,17,23,.82); border: 1px solid var(--border);
  padding: 4px 10px; border-radius: 6px; font-size: 12px;
  color: var(--text-dim); font-variant-numeric: tabular-nums;
  pointer-events: none;
}

/* ---------- BOM panel ---------- */
.panel {
  flex: 0 0 var(--panel-w, 360px); width: var(--panel-w, 360px);
  background: var(--panel); border-left: 1px solid var(--border);
  padding: 14px 14px 10px; overflow-y: auto;
}
/* drag handle that resizes the BOM panel */
.panel-resizer {
  flex: 0 0 5px; width: 5px; cursor: col-resize;
  background: transparent; position: relative; z-index: 6;
}
.panel-resizer::before {
  content: ""; position: absolute; inset: 0 2px;
  background: var(--border); border-radius: 2px; transition: background .12s;
}
.panel-resizer:hover::before, .layout.panel-resizing .panel-resizer::before {
  background: var(--accent);
}
.layout.panel-resizing { cursor: col-resize; user-select: none; }
.panel h2 { margin: 0 0 10px; font-size: 14px; color: #eef3f9; }
.panel-section { margin-bottom: 18px; }
.panel-head { display: flex; align-items: baseline; gap: 8px; margin-bottom: 6px; }
.panel-head h3 { margin: 0; font-size: 12px; text-transform: uppercase; letter-spacing: .6px; color: var(--accent); }
.muted { color: var(--text-dim); font-size: 11px; }

.table-wrap {
  border: 1px solid var(--border-soft); border-radius: 8px; overflow: hidden;
  background: var(--panel-2);
}
table { width: 100%; border-collapse: collapse; font-size: 12px; }
thead th {
  text-align: left; padding: 7px 9px; background: #10151d;
  color: var(--text-dim); font-weight: 600; font-size: 11px;
  border-bottom: 1px solid var(--border);
}
tbody td { padding: 6px 9px; border-bottom: 1px solid var(--border-soft); }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: rgba(56,189,248,.06); }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.empty td { color: var(--text-dim); text-align: center; padding: 12px; }

.panel-foot { color: var(--text-dim); font-size: 11px; padding-top: 2px; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%) translateY(20px);
  background: #0c1118; border: 1px solid var(--accent); color: var(--text);
  padding: 9px 16px; border-radius: 8px; font-size: 12.5px;
  opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s;
  box-shadow: 0 6px 24px rgba(0,0,0,.5);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- App top bar (editor) ---------- */
.appbar {
  display: flex; align-items: center; gap: 14px;
  height: 38px; padding: 0 14px;
  background: var(--panel-2);
  border-bottom: 1px solid var(--border);
  font-size: 12px; user-select: none;
}
.appbar a.crumb {
  color: var(--accent); text-decoration: none; font-weight: 600;
}
.appbar a.crumb:hover { text-decoration: underline; }
.appbar .proj-name { color: var(--text); font-weight: 600; }
.appbar .sep { color: var(--border); }
.appbar .spacer { margin-left: auto; }
.appbar .who { color: var(--text-dim); }
.linkbtn {
  background: none; border: none; color: var(--accent);
  cursor: pointer; font-size: 12px; padding: 0; font-family: inherit;
}
.linkbtn:hover { text-decoration: underline; }

/* plan badge in the app bar */
.plan-badge {
  font-size: 10px; font-weight: 600; letter-spacing: .5px; text-transform: uppercase;
  border-radius: 5px; padding: 2px 8px; cursor: pointer; font-family: inherit;
  color: var(--text-dim); background: transparent; border: 1px solid var(--border);
}
.plan-badge:hover { border-color: #3a475a; color: var(--text); }
.plan-badge.pro { color: #07151d; background: var(--accent); border-color: var(--accent); }

/* a "PRO" tag on feature buttons gated to free users */
.btn.pro-locked::after {
  content: "PRO"; margin-left: 6px; font-size: 8.5px; font-weight: 700; letter-spacing: .5px;
  color: var(--accent); border: 1px solid var(--accent); border-radius: 3px; padding: 0 3px;
  vertical-align: middle;
}

/* billing dialog */
.bill-plan { font-size: 12px; color: var(--text-dim); margin: 0 0 12px; }
.bill-feat { display: flex; gap: 8px; align-items: baseline; font-size: 13px; padding: 4px 0; }
.bill-feat .ck { color: var(--green); }
.bill-feat .xx { color: var(--text-dim); }
.bill-col-title { font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: var(--accent); margin: 10px 0 4px; }

/* ---------- Auth pages (login / register) ---------- */
.auth-body {
  overflow: auto;
  display: flex; align-items: center; justify-content: center;
  min-height: 100%;
}
.auth-card {
  width: 340px; max-width: calc(100vw - 32px);
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 12px; padding: 26px 24px;
  box-shadow: 0 10px 40px rgba(0,0,0,.45);
}
.auth-card .brand {
  font-weight: 700; font-size: 18px; color: #eef3f9; margin-bottom: 2px;
}
.auth-card .brand .brand-sub {
  margin-left: 6px; font-size: 10px; font-weight: 600; letter-spacing: 1px;
  color: var(--accent); text-transform: uppercase; vertical-align: super;
}
.auth-card h1 { font-size: 15px; margin: 14px 0 16px; color: var(--text); }
.field { margin-bottom: 12px; }
.field label {
  display: block; font-size: 11px; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: .5px; margin-bottom: 5px;
}
.field input {
  width: 100%; padding: 9px 10px; border-radius: 7px;
  background: var(--panel-2); border: 1px solid var(--border);
  color: var(--text); font-size: 13px; font-family: inherit;
}
.field input:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(56,189,248,.18);
}
.btn-primary {
  width: 100%; margin-top: 6px;
  background: var(--accent); color: #07151d; border: 1px solid var(--accent);
  padding: 10px 12px; border-radius: 7px; cursor: pointer;
  font-size: 13px; font-weight: 700; font-family: inherit;
  transition: filter .12s;
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-primary:disabled { opacity: .6; cursor: default; }
.auth-alt { margin-top: 14px; font-size: 12px; color: var(--text-dim); text-align: center; }
.auth-alt a { color: var(--accent); text-decoration: none; }
.auth-alt a:hover { text-decoration: underline; }
.form-error {
  display: none; margin: 0 0 12px; padding: 8px 10px;
  background: rgba(239,83,80,.12); border: 1px solid var(--red);
  border-radius: 7px; color: #ffb4b2; font-size: 12px;
}
.form-error.show { display: block; }

/* ---------- Projects list ---------- */
.projects-body { overflow: auto; min-height: 100%; }
.projects-wrap {
  max-width: 880px; margin: 0 auto; padding: 0 16px 40px;
}
.projects-head {
  display: flex; align-items: center; gap: 14px;
  padding: 28px 0 18px;
}
.projects-head h1 { margin: 0; font-size: 20px; color: #eef3f9; }
.projects-head .spacer { margin-left: auto; }
.proj-grid { display: grid; gap: 12px; }
.proj-card {
  display: flex; align-items: center; gap: 14px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; padding: 14px 16px;
}
.proj-card .info { min-width: 0; flex: 1 1 auto; }
.proj-card .pname { font-size: 14px; font-weight: 600; color: var(--text); }
.proj-card .pmeta { font-size: 12px; color: var(--text-dim); margin-top: 3px; }
.proj-card .actions { display: flex; gap: 8px; flex: 0 0 auto; }
.btn-danger { border-color: #5a2a2a; color: #ff9b98; }
.btn-danger:hover { background: #3a2326; border-color: var(--red); }
.empty-state {
  text-align: center; color: var(--text-dim);
  padding: 50px 20px; border: 1px dashed var(--border);
  border-radius: 10px; background: var(--panel-2);
}

/* ---------- BOM panel actions ---------- */
.panel-actions {
  display: flex; align-items: center; gap: 12px; margin-bottom: 14px;
  padding-bottom: 12px; border-bottom: 1px solid var(--border-soft);
}
.panel-actions .rail-check { font-size: 12px; color: var(--text); display: flex; align-items: center; gap: 5px; cursor: pointer; }
.panel-actions .rail-check input { accent-color: var(--accent); }

/* ---------- Rotate / Props rail buttons (active state reuse) ---------- */
#btnRotate.tool[disabled], #btnProps.tool[disabled] { opacity: .4; cursor: default; }

/* ---------- Room properties modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(5,8,12,.6);
  display: none; align-items: center; justify-content: center; z-index: 50;
}
.modal-backdrop.show { display: flex; }
.modal {
  width: 360px; max-width: calc(100vw - 32px);
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 12px; padding: 22px 22px 18px;
  box-shadow: 0 12px 48px rgba(0,0,0,.5);
}
.modal h3 { margin: 0 0 16px; font-size: 15px; color: #eef3f9; }
.modal .field select {
  width: 100%; padding: 9px 10px; border-radius: 7px;
  background: var(--panel-2); border: 1px solid var(--border);
  color: var(--text); font-size: 13px; font-family: inherit;
}
.modal .field select:focus { outline: none; border-color: var(--accent); }
.modal .field textarea {
  width: 100%; padding: 9px 10px; border-radius: 7px;
  background: var(--panel-2); border: 1px solid var(--border);
  color: var(--text); font-size: 13px; font-family: inherit;
  resize: vertical; box-sizing: border-box;
}
.modal .field textarea:focus { outline: none; border-color: var(--accent); }
.modal .rail-check { font-size: 12.5px; color: var(--text); display: flex; align-items: center; gap: 7px; cursor: pointer; }
.modal .rail-check input { accent-color: var(--accent); }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }
.modal-actions .btn-primary { width: auto; margin-top: 0; }

/* ---------- Shared read-only viewer ---------- */
.share-badge {
  font-size: 10px; font-weight: 600; letter-spacing: .5px; text-transform: uppercase;
  color: var(--accent); background: rgba(56,189,248,.12); border: 1px solid var(--border);
  border-radius: 5px; padding: 2px 8px;
}

/* ---------- Share dialog ---------- */
.share-note { font-size: 12px; color: var(--text-dim); margin: 0 0 12px; line-height: 1.5; }
#shareLink {
  width: 100%; padding: 9px 10px; border-radius: 7px;
  background: var(--panel-2); border: 1px solid var(--border);
  color: var(--text); font-size: 12px; font-family: var(--font-mono, monospace);
}
#shareLink:focus { outline: none; border-color: var(--accent); }

/* ---------- Templates dialog ---------- */
.tpl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.tpl-card {
  display: flex; flex-direction: column; gap: 6px; align-items: stretch;
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px;
  padding: 10px; cursor: pointer; text-align: left; font-family: inherit; color: var(--text);
}
.tpl-card:hover { background: #222c3a; border-color: var(--accent); }
.tpl-card svg { background: var(--panel); border-radius: 6px; }
.tpl-name { font-size: 13px; font-weight: 500; color: var(--text); }
.tpl-desc { font-size: 11px; color: var(--text-dim); line-height: 1.4; }

/* ---------- Branding dialog ---------- */
.brand-logo-row { display: flex; align-items: center; gap: 10px; margin-top: 8px; }
.brand-logo-preview {
  max-height: 44px; max-width: 140px; border: 1px solid var(--border);
  border-radius: 6px; background: #fff; padding: 3px;
}

/* ---------- Catalogue editor dialog ---------- */
.cat-tables { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cat-col h4 { margin: 0 0 6px; font-size: 12px; color: var(--text-dim); }
.cat-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.cat-table th { text-align: left; color: var(--text-dim); font-weight: 600; padding: 3px 4px; }
.cat-table th.num, .cat-table td.num { text-align: right; }
.cat-table td { padding: 1px 2px; }
.cat-table input {
  width: 100%; box-sizing: border-box; padding: 4px 6px; border-radius: 5px;
  background: var(--panel-2); border: 1px solid var(--border);
  color: var(--text); font-size: 12px; font-family: inherit;
}
.cat-table input:focus { outline: none; border-color: var(--accent); }
.cat-table td.num input { text-align: right; }
.cat-table .btu-cell { color: var(--text); padding-left: 6px; font-variant-numeric: tabular-nums; }
.cat-accessories { display: flex; gap: 16px; margin-top: 14px; }
.cat-acc-field { flex: 1; margin-bottom: 0; }
.cat-acc-field input {
  width: 100%; box-sizing: border-box; padding: 8px 10px; border-radius: 7px;
  background: var(--panel-2); border: 1px solid var(--border);
  color: var(--text); font-size: 13px; font-family: inherit;
}
.cat-acc-field input:focus { outline: none; border-color: var(--accent); }
#catalogueModal { width: 680px; }
#catalogueModal .modal-actions { justify-content: space-between; }
#catalogueModal .modal-actions #catReset { margin-right: auto; }

/* ---------- Keyboard-shortcuts dialog ---------- */
.modal-wide { width: 560px; }
.sc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.sc-col h4 {
  margin: 0 0 8px; font-size: 11px; text-transform: uppercase; letter-spacing: .6px;
  color: var(--accent);
}
.sc { display: flex; align-items: center; gap: 6px; padding: 4px 0; font-size: 12px; color: var(--text); }
.sc span { color: var(--text-dim); }
kbd {
  display: inline-block; min-width: 16px; text-align: center;
  background: var(--panel-2); border: 1px solid var(--border); border-bottom-width: 2px;
  border-radius: 4px; padding: 1px 5px; font-size: 11px; font-family: inherit; color: var(--text);
}

/* ---------- Right-panel: Properties (selection inspector) ---------- */
.side-block { margin-bottom: 16px; padding-bottom: 14px; border-bottom: 1px solid var(--border-soft); }
.insp-empty { color: var(--text-dim); font-size: 12px; padding: 6px 2px; }
.insp .ir {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; padding: 5px 0;
}
.insp .ir.full { flex-direction: column; align-items: stretch; gap: 4px; }
.insp .ir > label { color: var(--text-dim); font-size: 11.5px; white-space: nowrap; }
.insp .ro { color: var(--text); font-variant-numeric: tabular-nums; font-size: 12px; }
.insp input[type=text], .insp input[type=number], .insp select {
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  border-radius: 6px; padding: 5px 7px; font-size: 12px; font-family: inherit;
  width: 116px; max-width: 60%;
}
.insp .ir.full input[type=text], .insp .ir.full select { width: 100%; max-width: none; }
.insp input:focus, .insp select:focus { outline: none; border-color: var(--accent); }
.insp input[type=checkbox] { accent-color: var(--accent); width: 16px; height: 16px; }
.insp input[type=color] {
  width: 40px; height: 26px; padding: 0; border: 1px solid var(--border);
  border-radius: 6px; background: var(--panel-2); cursor: pointer;
}
.insp-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 10px; padding: 4px 0; }
.insp-grid2 .gcell { display: flex; flex-direction: column; gap: 3px; }
.insp-grid2 .gcell > label { color: var(--text-dim); font-size: 10.5px; }
.insp-grid2 .gcell input, .insp-grid2 .gcell select { width: 100%; max-width: none; }

/* ---------- Room wall toggles (inspector) ---------- */
.wall-toggles { display: flex; flex-wrap: wrap; gap: 10px 14px; padding: 2px 0; }
.wall-tog { display: flex; align-items: center; gap: 4px; font-size: 11.5px; color: var(--text); cursor: pointer; }
.wall-tog input { accent-color: var(--accent); }

/* ---------- Right-panel: multi-select align / distribute ---------- */
.align-row { margin: 8px 0; }
.align-cap { font-size: 11px; color: var(--text-dim); margin-bottom: 5px; }
.align-btns { display: flex; flex-wrap: wrap; gap: 4px; }
.align-btn {
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  min-width: 34px; height: 28px; border-radius: 6px; cursor: pointer;
  font-size: 12px; font-family: inherit; font-weight: 500;
}
.align-btn:hover { background: #2c3848; border-color: #3a475a; }

/* ---------- Right-panel: Layers (visibility + lock) ---------- */
.layers { display: flex; flex-direction: column; gap: 2px; }
.layer-row { display: flex; align-items: center; gap: 8px; padding: 5px 6px; border-radius: 6px; }
.layer-row:hover { background: rgba(56,189,248,.06); }
.layer-row .lname { flex: 1 1 auto; font-size: 12px; color: var(--text); }
.layer-row.hidden .lname { opacity: .4; text-decoration: line-through; }
.layer-btn {
  background: transparent; border: none; cursor: pointer; padding: 0;
  width: 24px; height: 22px; border-radius: 5px; font-size: 13px;
  color: var(--text-dim); line-height: 1;
}
.layer-btn:hover { background: #2c3848; color: var(--text); }
.layer-btn.on { color: var(--accent); }

/* ---------- Right-panel: Check design (QA validators) ---------- */
.validate { display: flex; flex-direction: column; gap: 2px; }
.val-ok { font-size: 12px; color: var(--green); padding: 4px 2px; }
.val-group {
  font-size: 11px; text-transform: uppercase; letter-spacing: .4px;
  color: var(--text-dim); margin-top: 8px; padding: 0 2px;
}
.val-group:first-child { margin-top: 0; }
.val-row {
  display: block; width: 100%; text-align: left; cursor: pointer;
  background: transparent; border: none; padding: 4px 6px; border-radius: 6px;
  font-size: 12px; color: var(--red); line-height: 1.3;
}
.val-row:hover { background: rgba(239,83,80,.10); }

/* ---------- Floating contextual toolbar (over the canvas) ---------- */
.ctx-toolbar {
  position: absolute; z-index: 20; display: none;
  align-items: center; gap: 2px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 8px; padding: 3px;
  box-shadow: 0 6px 22px rgba(0,0,0,.5);
  transform: translate(-50%, -100%);
}
.ctx-toolbar.show { display: flex; }
.ctx-toolbar.below { transform: translate(-50%, 0); }
.ctx-toolbar button {
  background: transparent; border: none; color: var(--text); padding: 0;
  width: 28px; height: 26px; border-radius: 6px; cursor: pointer;
  font-size: 14px; display: flex; align-items: center; justify-content: center; line-height: 1;
}
.ctx-toolbar button:hover { background: #2c3848; }
.ctx-toolbar input[type=color] {
  width: 26px; height: 22px; padding: 0; border: 1px solid var(--border);
  border-radius: 5px; background: none; cursor: pointer;
}