.composition-add-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.composition-add-actions button { display: flex; align-items: center; justify-content: center; gap: 5px; padding: 10px 5px; font-size: .66rem; color: var(--text-main); background: var(--bg-elevated); border: 1px solid var(--border-strong); border-radius: 6px; cursor: pointer; }
.composition-add-actions button:hover { border-color: var(--accent); }
.composition-add-actions svg { width: 14px; height: 14px; }
.composition-object-tools { display: flex; align-items: center; justify-content: space-between; gap: 4px; }
.composition-object-tools button { display: grid; place-items: center; width: 32px; height: 32px; border: 1px solid var(--border-subtle); border-radius: 6px; background: var(--bg-elevated); color: var(--text-muted); cursor: pointer; }
.composition-object-tools svg { width: 15px; height: 15px; }
.composition-object-tools button:hover:not(:disabled) { color: var(--accent); }
.composition-object-tools button:disabled { opacity: .3; cursor: default; }
.composition-layers { display: flex; flex-direction: column; gap: 5px; list-style: none; max-height: 210px; overflow: auto; }
.composition-layer { display: flex; gap: 5px; border: 1px solid var(--border-subtle); border-radius: 6px; background: var(--bg-dark); }
.composition-layer.active { border-color: var(--accent); }
.composition-layer > button { color: var(--text-muted); border: 0; background: none; padding: 9px; font-size: .67rem; cursor: pointer; }
.composition-layer .composition-layer-select { flex: 1; min-width: 0; text-align: left; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.composition-layer.active .composition-layer-select { color: var(--accent); }
.composition-layer .composition-layer-eye { font-size: .62rem; }
.composition-selection { border-top: 1px solid var(--border-subtle); padding-top: 12px; display: flex; flex-direction: column; gap: 10px; }
.composition-selection[hidden], #composition-text-properties[hidden] { display: none; }
.composition-field { display: flex; flex-direction: column; gap: 6px; font-size: .67rem; color: var(--text-muted); }
.composition-field input, .composition-field textarea { width: 100%; min-width: 0; padding: 8px; background: var(--bg-dark); color: var(--text-main); border: 1px solid var(--border-strong); border-radius: 6px; font-size: .72rem; }
.composition-field textarea { resize: vertical; }
#composition-text-properties { display: flex; flex-direction: column; gap: 10px; }
.composition-color { display: flex; align-items: center; justify-content: space-between; color: var(--text-muted); font-size: .68rem; }
.composition-color input { width: 44px; height: 29px; padding: 2px; border: 1px solid var(--border-strong); border-radius: 5px; background: var(--bg-elevated); cursor: pointer; }
.composition-canvas-host { position: absolute; inset: 0; z-index: 2; }
.technical-editor > .editor-canvas-caption, .technical-editor > .editor-canvas-help { z-index: 3; }
.technical-editor .canvas-container { position: absolute !important; inset: 0; }
.technical-editor .canvas-container canvas { touch-action: none; }
.vector-toolbar { position: absolute; z-index: 5; top: 36px; left: 42px; right: 12px; display: flex; flex-wrap: wrap; align-items: center; gap: 4px; padding: 5px; width: fit-content; max-width: calc(100% - 54px); border: 1px solid var(--border-strong); border-radius: 9px; background: var(--bg-elevated); box-shadow: 0 4px 18px #0002; }
.vector-toolbar button { display: flex; align-items: center; justify-content: center; gap: 5px; min-width: 30px; min-height: 30px; padding: 5px 8px; border: 1px solid transparent; border-radius: 5px; background: transparent; color: var(--text-muted); font: inherit; font-size: .63rem; cursor: pointer; }
.vector-toolbar button[aria-pressed="true"] { background: #27cce018; border-color: var(--accent); color: var(--accent); }
.vector-toolbar button:hover { color: var(--accent); }
.vector-toolbar button[hidden] { display: none; }
.vector-toolbar svg { width: 15px; height: 15px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.vector-snap { display: flex; align-items: center; gap: 5px; padding: 0 6px; color: var(--text-muted); font-size: .6rem; cursor: pointer; }
.vector-snap input { accent-color: var(--accent); }
.technical-editor > .editor-canvas-caption { top: 120px; }
.vector-draft { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 4; pointer-events: none; overflow: hidden; }
.vector-properties { display: flex; flex-direction: column; gap: 10px; padding-top: 8px; border-top: 1px solid var(--border-subtle); }
.vector-properties[hidden] { display: none; }
.vector-coordinates { position: absolute; bottom: 72px; left: 43px; z-index: 3; color: var(--text-muted); font-size: .58rem; pointer-events: none; font-variant-numeric: tabular-nums; }
@media (max-width: 1100px) { .vector-toolbar button span { display: none; } }
@media (max-width: 480px) { .vector-toolbar { gap: 1px; } .vector-toolbar button { padding: 4px; } .vector-snap { font-size: .54rem; padding: 0 3px; } .technical-editor > .editor-canvas-caption { top: 142px; } }
.three-preview { display: none; position: absolute; inset: 0; background: #101820; }
.viewport-3d[data-mode="three"] .three-preview { display: block; }
.viewport-3d[data-mode="three"] .stage-comparison-container { display: none; }
.studio-center-stage:has(.viewport-3d[data-mode="three"]) :is(.stage-camera-controls, .scene-measurements-button) { display: none; }
#three-canvas { display: block; width: 100%; height: 100%; touch-action: none; }
.three-view-controls { position: absolute; top: 15px; left: 15px; right: 15px; display: flex; flex-wrap: wrap; gap: 6px; }
.three-view-controls button { padding: 8px 11px; border: 1px solid #ffffff18; border-radius: 7px; background: #171f2be6; color: #d5dfec; font-size: .66rem; cursor: pointer; }
.three-view-controls button:hover { border-color: #27cce0; }
.three-caption { position: absolute; top: 65px; left: 19px; right: 19px; color: #aabed0; font-size: .66rem; display: flex; flex-direction: column; gap: 7px; pointer-events: none; }
.three-caption strong { font-weight: 500; color: #dce8f2; }
.three-help { position: absolute; bottom: 83px; left: 20px; right: 20px; color: #9cb2c6; text-align: center; font-size: .65rem; pointer-events: none; }
.three-unavailable { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; color: #c2d2e1; background: #101820; padding: 30px; text-align: center; font-size: .8rem; }
.three-unavailable[hidden] { display: none; }
.three-unavailable button { padding: 11px 16px; background: #4263ff; border: 0; border-radius: 7px; color: #fff; cursor: pointer; }
:root[data-theme="light"] .three-preview { background: #edf2f7; }
:root[data-theme="light"] .three-caption { color: #5d6675; }
:root[data-theme="light"] .three-caption strong { color: #202735; }
:root[data-theme="light"] .three-help { color: #5d6675; }
:root[data-theme="light"] .three-view-controls button { background: #fffffff0; color: #344359; border-color: #18243b26; }
@media (max-width: 640px) {
  .stage-wall-selector { flex-wrap: wrap; }
  .studio-center-stage:has(.viewport-3d[data-mode="three"]) { min-height: 680px; }
  .three-view-controls button { padding: 7px 9px; font-size: .61rem; }
  .three-caption { font-size: .6rem; }
}