:root {
  --bg-0: #0f1115;
  --bg-1: #161922;
  --bg-2: #1d2230;
  --bg-3: #262c3d;
  --border: #2f3648;
  --text-0: #e8ecf3;
  --text-1: #aab2c5;
  --text-2: #6c7591;
  --accent: #6aa9ff;
  --accent-strong: #4584ea;
  --danger: #e26c6c;
  --ok: #6cd29a;
  --warn: #e2b35a;
  --left-w: 220px;
  --right-w: 260px;
  --topbar-h: 78px;
  --bottom-h: 240px;
}

* { box-sizing: border-box; min-width: 0; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  background: var(--bg-0);
  color: var(--text-0);
  font: 13px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  overflow: hidden;
  user-select: none;
}

#app {
  display: grid;
  grid-template-rows: var(--topbar-h) 1fr var(--bottom-h);
  grid-template-columns: 100%;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

/* topbar — duas linhas, brand + side buttons na primeira, actions na segunda */
#topbar {
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.topbar-row {
  display: flex;
  align-items: center;
  padding: 0 10px;
  flex: 1;
  min-height: 0;
}
.brand-row {
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}
.brand {
  font-weight: 600;
  letter-spacing: 0.3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.brand .muted { color: var(--text-2); font-weight: 400; }
.topbar-side-buttons { display: flex; gap: 4px; }
.icon-btn { font-size: 14px; padding: 3px 8px; }
.actions-row {
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
}
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: nowrap;
  width: max-content;
}
.sep { width: 1px; height: 20px; background: var(--border); margin: 0 2px; flex-shrink: 0; }

/* buttons */
.btn {
  background: var(--bg-2);
  color: var(--text-0);
  border: 1px solid var(--border);
  padding: 4px 9px;
  border-radius: 4px;
  cursor: pointer;
  font: inherit;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background 0.12s;
}
.btn:hover { background: var(--bg-3); }
.btn:active { background: var(--bg-1); }
.btn.primary { background: var(--accent-strong); border-color: var(--accent-strong); }
.btn.primary:hover { background: var(--accent); }
.btn.danger { color: var(--danger); border-color: var(--danger); }
.btn.danger:hover { background: rgba(226,108,108,0.1); }
.btn.mode { padding: 4px 7px; min-width: 28px; font-size: 13px; }
.btn.mode.active { background: var(--accent-strong); border-color: var(--accent-strong); color: white; }

/* snap toggle + config */
.snap-group { display: flex; gap: 2px; align-items: center; position: relative; }
/* Fix C (Fase 3) + Fase 4: label fixo "encaixar" — estado off fica
   visivelmente apagado mas legivel. Fase 4 reforca contraste com borda
   tracejada acentuada (PM #5: dar definicao alem da cor/opacidade). */
.btn.snap-toggle { font-size: 12px; padding: 4px 9px; color: var(--text-1); opacity: 0.85; border: 1px solid var(--border); }
.btn.snap-toggle:not(.active) { border-style: dashed; border-color: var(--text-2); }
.btn.snap-toggle:hover { color: var(--text-0); opacity: 1; }
.btn.snap-toggle.active { background: var(--accent-strong); border-color: var(--accent-strong); border-style: solid; color: white; opacity: 1; }
.btn.snap-toggle.active:hover { color: white; }
.btn.snap-config { padding: 4px 7px; min-width: 26px; font-size: 13px; color: var(--text-1); }
.btn.snap-config[aria-expanded="true"] { background: var(--bg-3); border-color: var(--accent); color: var(--accent); }

/* popover de config de snap — custom (nada de prompt nativo) */
.snap-popover {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 220px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 10px 12px;
  z-index: 200;
  box-shadow: 0 6px 24px rgba(0,0,0,0.4);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.snap-popover.hidden { display: none; }
.snap-popover-title {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-2);
  letter-spacing: 0.5px;
  font-weight: 600;
  margin-bottom: 2px;
}
.snap-popover-row {
  display: grid;
  grid-template-columns: 1fr 72px;
  gap: 8px;
  align-items: center;
}
.snap-popover-row label {
  font-size: 12px;
  color: var(--text-1);
}
.snap-popover-row input[type=number] {
  background: var(--bg-1);
  border: 1px solid var(--border);
  color: var(--text-0);
  padding: 4px 6px;
  font: 12px ui-monospace, Menlo, monospace;
  border-radius: 3px;
  width: 100%;
  min-width: 0;
}
.snap-popover-row input[type=number]:focus { outline: none; border-color: var(--accent); }
.snap-popover-hint {
  font-size: 10.5px;
  color: var(--text-2);
  line-height: 1.4;
  margin-top: 2px;
}

/* inspector: toggle de posicionamento livre por-objeto */
.insp-free-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  color: var(--text-1);
  width: 100%;
  text-align: left;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}
.insp-free-toggle:hover { background: var(--bg-3); }
.insp-free-toggle.active {
  background: rgba(106,169,255,0.12);
  border-color: var(--accent);
  color: var(--accent);
}
.insp-free-toggle .toggle-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bg-3);
  border: 1px solid var(--border);
  flex-shrink: 0;
}
.insp-free-toggle.active .toggle-dot {
  background: var(--accent);
  border-color: var(--accent);
}

/* inspector: dropdown custom de "apoio" (Fase 3 — nunca usar <select> nativo) */
.insp-anchor-wrap {
  position: relative;
  width: 100%;
  min-width: 0;
}
.insp-anchor-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text-0);
  padding: 4px 8px;
  border-radius: 3px;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  text-align: left;
}
.insp-anchor-btn:hover { background: var(--bg-3); }
.insp-anchor-btn[aria-expanded="true"] { border-color: var(--accent); color: var(--accent); }
.insp-anchor-btn .insp-anchor-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.insp-anchor-btn .caret { color: var(--text-2); font-size: 10px; flex-shrink: 0; }
.insp-anchor-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px;
  z-index: 150;
  box-shadow: 0 6px 18px rgba(0,0,0,0.4);
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.insp-anchor-menu.hidden { display: none; }
.insp-anchor-option {
  background: transparent;
  border: none;
  color: var(--text-0);
  padding: 5px 8px;
  border-radius: 3px;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  text-align: left;
}
.insp-anchor-option:hover { background: var(--bg-3); }
.insp-anchor-option.active { background: var(--accent-strong); color: white; }

/* main grid — viewport tem que sobreviver mesmo em telas pequenas */
#main {
  display: grid;
  grid-template-columns: var(--left-w) minmax(0, 1fr) var(--right-w);
  min-height: 0;
  min-width: 0;
  overflow: hidden;
}
#app.no-left { grid-template-rows: var(--topbar-h) 1fr var(--bottom-h); }
#app.no-left #main { grid-template-columns: 0 minmax(0, 1fr) var(--right-w); }
#app.no-left #left-panel { display: none; }
#app.no-right #main { grid-template-columns: var(--left-w) minmax(0, 1fr) 0; }
#app.no-right #right-panel { display: none; }
#app.no-left.no-right #main { grid-template-columns: 0 minmax(0, 1fr) 0; }

.panel {
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
}
#left-panel { border-right: 1px solid var(--border); border-top: 0; }
#right-panel { border-left: 1px solid var(--border); border-top: 0; }
.panel-header {
  padding: 8px 12px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 12px;
  color: var(--text-1);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-shrink: 0;
  white-space: nowrap;
}
#bottom-panel > .panel-header {
  padding: 4px 12px 0 12px;
  background: var(--bg-2);
  align-items: flex-end;
}
.bottom-hint {
  text-transform: none;
  letter-spacing: normal;
  color: var(--text-2);
  font-weight: 400;
  font-size: 11px;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* viewport */
#viewport-wrap {
  position: relative;
  background: #0a0c10;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
}
#viewport { width: 100%; height: 100%; }
#viewport canvas { display: block; }
#viewport-hud {
  position: absolute;
  top: 8px;
  left: 8px;
  font-family: ui-monospace, "Cascadia Code", Menlo, monospace;
  font-size: 11px;
  color: var(--text-1);
  pointer-events: none;
  text-shadow: 0 0 4px rgba(0,0,0,0.8);
}
.hud-line { line-height: 1.5; }
.viewport-help {
  position: absolute;
  bottom: 8px;
  left: 8px;
  font-size: 11px;
  color: var(--text-2);
  pointer-events: none;
  line-height: 1.6;
  text-shadow: 0 0 4px rgba(0,0,0,0.8);
}
.viewport-help kbd {
  background: rgba(38,44,61,0.7);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 4px;
  font-family: inherit;
  color: var(--text-1);
  font-size: 10px;
}

/* outliner */
.outliner {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 6px 4px;
  min-height: 0;
}
.outliner-item {
  padding: 4px 10px;
  font-size: 12.5px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  border-radius: 3px;
  color: var(--text-1);
}
.outliner-item:hover { background: var(--bg-2); color: var(--text-0); }
.outliner-item.selected { background: var(--accent-strong); color: white; }
.outliner-item .type-badge {
  font-size: 9.5px;
  text-transform: uppercase;
  color: var(--text-2);
  background: var(--bg-3);
  padding: 1px 5px;
  border-radius: 3px;
  letter-spacing: 0.3px;
  flex-shrink: 0;
}
.outliner-item.selected .type-badge { background: rgba(255,255,255,0.2); color: rgba(255,255,255,0.85); }
.outliner-item .name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

/* inspector */
.inspector {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0;
  min-height: 0;
}
.inspector .empty {
  color: var(--text-2);
  padding: 14px;
  font-style: italic;
  text-align: center;
}
.insp-section {
  border-bottom: 1px solid var(--border);
  padding: 10px 12px;
}
.insp-section-title {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-2);
  letter-spacing: 0.5px;
  margin-bottom: 8px;
  font-weight: 600;
}
.insp-row {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 8px;
  align-items: center;
  margin-bottom: 4px;
}
.insp-row label { color: var(--text-1); font-size: 12px; }
.vec3-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
  min-width: 0;
}
.vec3-row input {
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text-0);
  padding: 3px 4px;
  font: 11px ui-monospace, Menlo, monospace;
  border-radius: 3px;
  width: 100%;
  min-width: 0;
}
.vec3-row input:focus { outline: none; border-color: var(--accent); }
.vec3-axis {
  display: grid;
  grid-template-columns: 12px 1fr;
  align-items: center;
  gap: 2px;
  min-width: 0;
}
.vec3-axis .ax {
  font-size: 10px;
  font-weight: 700;
  text-align: center;
}
.vec3-axis .ax.x { color: #ff6e6e; }
.vec3-axis .ax.y { color: #6cdb8a; }
.vec3-axis .ax.z { color: #6aa9ff; }
.insp-name-input {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text-0);
  padding: 4px 8px;
  border-radius: 3px;
  font: inherit;
  min-width: 0;
}
.insp-color-row { display: flex; align-items: center; gap: 8px; min-width: 0; }
.insp-color-row input[type=color] {
  width: 28px; height: 22px;
  border: 1px solid var(--border);
  background: var(--bg-2);
  padding: 0;
  cursor: pointer;
  flex-shrink: 0;
}
.insp-slider { display: grid; grid-template-columns: 1fr 46px; gap: 6px; align-items: center; min-width: 0; }
.insp-slider input[type=range] { width: 100%; min-width: 0; }
.insp-slider input[type=number] {
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text-0);
  padding: 2px 4px;
  font: 11px ui-monospace, Menlo, monospace;
  border-radius: 3px;
  width: 100%;
  min-width: 0;
}

/* bottom panel (asset browser) — header (tabs) + pane ativo (cada pane controla seu layout) */
#bottom-panel {
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-rows: auto 1fr;
  min-width: 0;
}
.asset-pane {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
}
.asset-pane.hidden { display: none; }
#catalog-pane {
  display: grid;
  grid-template-columns: 200px 1fr;
  grid-template-rows: 1fr;
  min-height: 0;
}
#catalog-pane.hidden { display: none; }

/* tabs no header do asset browser */
.asset-tabs {
  display: flex;
  gap: 2px;
  text-transform: none;
  letter-spacing: normal;
}
.asset-tab {
  background: transparent;
  border: 1px solid transparent;
  border-bottom: none;
  color: var(--text-2);
  padding: 4px 12px;
  border-radius: 4px 4px 0 0;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  transition: color 0.12s, background 0.12s;
  position: relative;
  top: 1px;
}
.asset-tab:hover { color: var(--text-0); background: var(--bg-3); }
.asset-tab.active {
  color: var(--accent);
  border-color: var(--border);
  border-bottom-color: var(--bg-1);
  background: var(--bg-1);
}

/* catalogo: arvore */
.catalog-tree {
  background: var(--bg-1);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 6px 0;
  min-height: 0;
}
.catalog-cat { display: flex; flex-direction: column; }
.catalog-cat-header {
  background: transparent;
  border: none;
  color: var(--text-0);
  padding: 6px 10px;
  cursor: pointer;
  font: inherit;
  font-size: 12.5px;
  display: grid;
  grid-template-columns: 12px 18px 1fr auto;
  gap: 6px;
  align-items: center;
  text-align: left;
  width: 100%;
  border-radius: 0;
  transition: background 0.1s;
}
.catalog-cat-header:hover { background: var(--bg-2); }
.catalog-cat-header.expanded { color: var(--accent); }
.catalog-cat-header .cat-chevron {
  font-size: 9px;
  color: var(--text-2);
  text-align: center;
}
.catalog-cat-header .cat-icon { font-size: 14px; }
.catalog-cat-header .cat-count {
  font-size: 10px;
  color: var(--text-2);
  background: var(--bg-3);
  padding: 0 5px;
  border-radius: 8px;
  min-width: 18px;
  text-align: center;
}
.catalog-leaf-list {
  display: flex;
  flex-direction: column;
  padding: 2px 0 4px 0;
}
.catalog-leaf {
  background: transparent;
  border: none;
  color: var(--text-1);
  padding: 4px 10px 4px 36px;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  text-align: left;
  width: 100%;
  border-radius: 0;
  transition: background 0.1s, color 0.1s;
  border-left: 2px solid transparent;
}
.catalog-leaf:hover { background: var(--bg-2); color: var(--text-0); }
.catalog-leaf.active {
  background: var(--bg-2);
  color: var(--accent);
  border-left-color: var(--accent);
}
.search-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
  min-width: 0;
}
.search-bar input[type=text] {
  flex: 1;
  min-width: 0;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text-0);
  padding: 5px 10px;
  border-radius: 4px;
  font: inherit;
  outline: none;
}
.search-bar input[type=text]:focus { border-color: var(--accent); }

/* custom select (nunca usar <select> nativo) */
.select-wrap { position: relative; flex-shrink: 0; }
.select-btn {
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text-0);
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  font: inherit;
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 140px;
  justify-content: space-between;
  white-space: nowrap;
}
.select-btn:hover { background: var(--bg-3); }
.select-btn .caret { color: var(--text-2); font-size: 10px; }
.select-menu {
  position: absolute;
  bottom: calc(100% + 4px);
  right: 0;
  min-width: 220px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px;
  z-index: 100;
  box-shadow: 0 -6px 24px rgba(0,0,0,0.4);
  max-height: 280px;
  overflow-y: auto;
}
.select-menu.hidden { display: none; }
.select-option {
  padding: 6px 10px;
  border-radius: 3px;
  cursor: pointer;
  font-weight: 400;
  color: var(--text-0);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.select-option:hover { background: var(--bg-3); }
.select-option.active { background: var(--accent-strong); color: white; }
.select-option .badge {
  font-size: 10px;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.select-option.active .badge { color: rgba(255,255,255,0.7); }

/* results */
.results {
  overflow-y: auto;
  overflow-x: hidden;
  padding: 10px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  grid-auto-rows: min-content;
  gap: 8px;
  align-content: start;
  min-height: 0;
}
.results .hint, .results .status {
  grid-column: 1 / -1;
  color: var(--text-2);
  font-style: italic;
  padding: 14px;
  text-align: center;
}
.results .status.error { color: var(--danger); font-style: normal; }
.results kbd, .viewport-help kbd {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 5px;
  font: 11px ui-monospace, Menlo, monospace;
  color: var(--text-1);
}

.result-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: grab;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.1s, transform 0.1s;
  min-width: 0;
}
.result-card:hover { border-color: var(--accent); }
.result-card:active { cursor: grabbing; }
.result-card .thumb {
  aspect-ratio: 1 / 1;
  width: 100%;
  flex: 0 0 auto;
  background: var(--bg-3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--text-2);
  overflow: hidden;
  position: relative;
}
.result-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.result-card .meta {
  padding: 6px 8px;
  font-size: 11px;
  line-height: 1.3;
  min-width: 0;
}
.result-card .name {
  color: var(--text-0);
  font-weight: 500;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.result-card .source {
  color: var(--text-2);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.result-card .license {
  color: var(--ok);
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* toast */
#toast-stack {
  position: absolute;
  bottom: 12px;
  right: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  pointer-events: none;
  max-width: 340px;
  z-index: 50;
}
.toast {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 12px;
  color: var(--text-0);
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  pointer-events: auto;
  animation: toastIn 0.18s ease-out;
}
.toast.success { border-left-color: var(--ok); }
.toast.error { border-left-color: var(--danger); }
.toast.warn { border-left-color: var(--warn); }
.toast .toast-line { display: flex; align-items: center; gap: 8px; }
.toast .progress-bar {
  margin-top: 6px;
  height: 3px;
  background: var(--bg-3);
  border-radius: 2px;
  overflow: hidden;
}
.toast .progress-bar > div {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width 0.2s;
}
@keyframes toastIn {
  from { transform: translateX(20px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* modal custom (Fase 4: Nova Sala) — nunca usar prompt()/confirm() */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 10, 14, 0.65);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  animation: modalFade 0.14s ease-out;
}
.modal-overlay.hidden { display: none; }
.modal-card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px 24px;
  min-width: 320px;
  max-width: 420px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.modal-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-0);
  letter-spacing: 0.3px;
}
.modal-subtitle {
  font-size: 11.5px;
  color: var(--text-2);
  line-height: 1.4;
  margin-top: -8px;
}
.modal-row {
  display: grid;
  grid-template-columns: 1fr 90px;
  gap: 10px;
  align-items: center;
}
.modal-row label {
  font-size: 12px;
  color: var(--text-1);
}
.modal-row input[type=number] {
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text-0);
  padding: 5px 8px;
  font: 12px ui-monospace, Menlo, monospace;
  border-radius: 3px;
  width: 100%;
}
.modal-row input[type=number]:focus { outline: none; border-color: var(--accent); }
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 6px;
}
@keyframes modalFade {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* inspector: aviso textual sutil pra anchor fallback (PM #3) */
.insp-anchor-warning {
  font-size: 11px;
  color: var(--warn);
  line-height: 1.4;
  margin-top: 6px;
  padding: 4px 8px;
  background: rgba(226, 179, 90, 0.08);
  border-left: 2px solid var(--warn);
  border-radius: 2px;
}

/* drag overlay */
#viewport-wrap.drop-active::after {
  content: "drop to add to scene";
  position: absolute;
  inset: 8px;
  border: 2px dashed var(--accent);
  border-radius: 6px;
  background: rgba(106,169,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--accent);
  pointer-events: none;
  letter-spacing: 0.5px;
}

/* scrollbars (nunca padrão do sistema) */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-1); }
::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--border); }

/* responsive: em telas estreitas esconde os botões laterais (toggles ficam) */
@media (max-width: 1100px) {
  :root { --left-w: 180px; --right-w: 220px; }
}
@media (max-width: 900px) {
  :root { --left-w: 160px; --right-w: 200px; --bottom-h: 220px; }
}
@media (max-width: 760px) {
  :root { --left-w: 0px; --right-w: 0px; }
  #left-panel, #right-panel { display: none; }
}