/* Playground working surface with scene, cameras, control and log-first diagnostics. */
.studio-playground { grid-area: content; display: grid; min-width: 0; min-height: 0; grid-template-rows: auto minmax(0, 1fr) 6px var(--console-height); overflow: hidden; }
.studio.console-collapsed .studio-playground { grid-template-rows: auto minmax(0, 1fr) 0 42px; }
.studio-simulation-toolbar { display: flex; flex-wrap: nowrap; align-items: center; min-width: 0; gap: 16px; padding: 8px 12px; overflow-x: auto; overflow-y: hidden; background: var(--panel); border-bottom: 1px solid var(--border); }
.studio-simulation-toolbar .lifecycle-grid { display: flex; flex: none; flex-wrap: nowrap; min-width: 0; gap: 6px; overflow: visible; }
.studio-simulation-toolbar .lifecycle-grid button { display: inline-flex; flex: none; align-items: center; justify-content: center; min-height: 34px; gap: 5px; padding: 6px 9px; border-radius: 6px; background: var(--panel); font-size: .875rem; font-weight: 500; white-space: nowrap; }
.studio-simulation-toolbar .lifecycle-grid .primary { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }
.studio-simulation-toolbar .lifecycle-grid .danger { color: var(--error); border-color: var(--border); }
.studio-simulation-toolbar .lifecycle-grid [data-action="stop"] { border-color: var(--error); }
.studio-simulation-toolbar .lifecycle-grid button:hover:not(:disabled) { background: var(--hover); }
.studio-simulation-toolbar .lifecycle-grid .studio-icon { width: 16px; height: 16px; }
.studio .studio-run-status { display: flex; flex: none; flex-wrap: nowrap; align-items: center; min-height: 28px; padding: 0 0 0 14px; margin: 0 0 0 auto; gap: 14px; border: 0; border-left: 1px solid var(--border); border-radius: 0; background: transparent; white-space: nowrap; }
.studio-run-identity { display: flex; flex: none; align-items: center; min-width: 0; }
.studio-run-identity-copy { display: flex; align-items: center; gap: 8px; margin: 0; min-width: 0; }
.studio-run-identity-copy .run-metric { display: flex; align-items: baseline; min-width: 0; padding: 0; border: 0; }
.studio-run-identity-copy .run-metric dd { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.studio .studio-run-status #runName { max-width: 9rem; font-size: .875rem; font-weight: 500; color: var(--text); }
.studio .studio-run-status #runName.metric-empty { color: var(--muted); }
.studio .studio-run-status #backend { max-width: 8rem; padding: 3px 6px; border-radius: 4px; background: var(--panel-raised); font-size: .875rem; color: var(--muted); }
.studio-run-metrics { display: flex; flex: none; align-items: center; gap: 12px; margin: 0; min-width: 0; }
.studio-run-metrics .run-metric { display: flex; align-items: baseline; gap: 6px; min-width: 0; padding: 0; border: 0; }
.studio .studio-run-status dt { line-height: 1.3; text-transform: none; letter-spacing: 0; }
.studio .studio-run-status dd { margin: 0; line-height: 1.3; font-family: var(--font-ui); font-variant-numeric: tabular-nums; }
.studio .studio-run-metrics dt { font-size: .875rem; color: var(--muted); }
.studio .studio-run-metrics dd { font-size: .875rem; font-weight: 500; color: var(--text); }
.studio .studio-run-metrics dd.metric-empty { color: var(--muted); font-weight: 400; }
.studio .app-shell { grid-template-columns: var(--left-width) 6px minmax(240px, 1fr) 6px var(--right-width); }
.studio .rail, .studio .tabs { background: var(--panel); }
.studio .tabs [role="tab"] { border-bottom: 2px solid transparent; padding-inline: 12px; font-size: .875rem; }
.studio .tabs [aria-selected="true"] { color: var(--accent); background: transparent; border-bottom-color: var(--brand); }
.studio #controlRail { display: flex; flex-direction: column; }
.studio #controlRail .pane-toolbar { flex: none; flex-wrap: wrap; gap: 10px; padding: 14px 16px; border-bottom: 0; }
.studio #controlRail .pane-toolbar strong { font-size: .875rem; }
.studio-scene-tree { overflow: auto; padding: 0 10px 12px; }
.studio-scene-empty { padding: 20px 16px; color: var(--muted); line-height: 1.8; }
.studio-entity-group h3 { padding: 14px 8px 8px; color: var(--muted); font-size: .75rem; }
.studio-entity-group ul { list-style: none; padding: 0; margin: 0; }
.studio .studio-entity { display: flex; align-items: center; width: 100%; min-height: 38px; gap: 10px; padding: 8px 10px; border: 0; border-radius: 7px; background: transparent; color: var(--text); text-align: left; font-size: .875rem; }
.studio-entity > span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.studio .studio-entity .studio-icon { width: 18px; height: 18px; color: var(--muted); }
.studio .studio-entity:hover { background: var(--hover); }
.studio .studio-entity[aria-pressed="true"] { background: var(--accent-soft); }
.studio .studio-entity[aria-pressed="true"] .studio-icon { color: var(--accent); }
.studio #monitorRail { position: relative; grid-template-rows: auto 40px minmax(0, 1fr); }
.studio #monitorRail > .tabs { height: 40px; padding: 0 16px; gap: 12px; }
.studio #monitorRail > .tabs [role="tab"] { flex: 1; padding: 0 10px; min-height: 40px; font-size: .875rem; }
.studio #monitorRail > .rail-pane { grid-row: 3; }
.studio-selection-section { display: flex; align-items: center; gap: 12px; padding: 10px 16px; border-bottom: 1px solid var(--border); }
.studio-selected-entity { display: flex; align-items: center; gap: 8px; min-width: 0; min-height: 36px; padding: 0; border: 0; background: transparent; }
.studio-selected-entity > .studio-icon { flex: none; width: 22px; height: 22px; color: var(--muted); }
.studio-entity-copy { display: grid; gap: 1px; min-width: 0; }
.studio-entity-copy strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .875rem; font-weight: 500; }
.studio-entity-copy span { color: var(--muted); font-size: .75rem; overflow-wrap: anywhere; }
.studio-selected-entity[data-empty="true"] .studio-entity-copy strong { color: var(--muted); }
.studio #leftPaneControl > .section-block { gap: 0; padding: 0 16px 14px; }
.studio #leftPaneControl .control-summary { border: 0; background: transparent; }
.studio #leftPaneControl .control-values { gap: 10px; padding: 12px 0; border-top: 0; border-bottom: 1px solid var(--border); }
.studio #leftPaneControl .control-values-heading h3 { font-family: var(--font-ui); color: var(--muted); font-weight: 500; font-size: .9375rem; }
.studio #targetValuesState { display: none; }
.studio #leftPaneControl .track-submit-row { display: flex; flex-direction: column; align-items: stretch; gap: 8px; margin-top: 4px; }
.studio #submitTrackButton { width: 100%; min-height: 34px; padding-block: 6px; border-radius: 6px; font-size: .875rem; }
.studio #trackSubmitState { align-self: start; }
.studio #targetValues, .studio #startValues { max-height: none; padding: 0; border: 0; background: transparent; scrollbar-gutter: auto; }
.studio #leftPaneControl .axis-target-row { grid-template-columns: minmax(0, 1fr) 74px minmax(22px, max-content); gap: 2px 0; padding: 2px 0 8px; margin: 0; border: 0; }
.studio #leftPaneControl .axis-name { font-family: var(--font-ui); color: var(--text); font-size: .875rem; font-weight: 400; }
.studio #leftPaneControl .studio-axis-input { --field-height: 32px; padding: 4px 8px; border-right: 0; border-radius: 6px 0 0 6px; text-align: right; }
.studio #leftPaneControl .axis-target-row > .axis-unit { display: flex; align-items: center; height: 32px; padding-right: 6px; border: 1px solid var(--field-border); border-left: 0; border-radius: 0 6px 6px 0; font-size: .8125rem; background: var(--input); }
.studio #leftPaneControl .studio-axis-input:focus + .axis-unit { border-color: var(--field-focus); }
.studio #leftPaneControl .studio-axis-input[aria-invalid="true"] + .axis-unit { border-color: var(--error); }
.studio #leftPaneControl input.studio-axis-slider { grid-column: 1 / -1; appearance: none; width: 100%; height: 24px; min-height: 24px; padding: 0; margin: 0; border: 0; background: transparent; }
.studio-axis-slider::-webkit-slider-runnable-track { height: 5px; border-radius: 4px; background: linear-gradient(to right, var(--brand) var(--range-progress), var(--border) var(--range-progress)); }
.studio-axis-slider::-webkit-slider-thumb { appearance: none; width: 20px; height: 20px; margin-top: -7.5px; border: 2px solid var(--border-strong); border-radius: 50%; background: var(--panel); }
.studio-axis-slider::-moz-range-track { height: 5px; border-radius: 4px; background: var(--border); }
.studio-axis-slider::-moz-range-progress { height: 5px; background: var(--brand); }
.studio-axis-slider::-moz-range-thumb { width: 17px; height: 17px; border: 2px solid var(--border-strong); border-radius: 50%; background: var(--panel); }
.studio-axis-limits { display: flex; grid-column: 1 / -1; justify-content: space-between; color: var(--muted); font-size: .8125rem; }
.studio #leftPaneControl .axis-current-row { grid-template-columns: minmax(0, 1fr) auto 28px; gap: 5px; padding: 3px 0; border: 0; }
.studio #leftPaneControl .axis-current-row .axis-name { color: var(--muted); font-size: .875rem; }
.studio #leftPaneControl .axis-current-value { color: var(--accent); font-family: var(--font-ui); font-size: .875rem; font-weight: 500; }
.studio-feedback-meta { display: grid; grid-template-columns: 1fr auto; gap: 8px; margin: 0; color: var(--muted); font-size: .875rem; }
.studio-feedback-meta dd { margin: 0; color: var(--text); font-variant-numeric: tabular-nums; }
.studio-control-advanced { margin-top: 12px; border: 1px solid var(--border); border-radius: 6px; background: var(--panel-raised); }
.studio-control-advanced > summary { padding: 9px 10px; cursor: pointer; font-size: .875rem; color: var(--muted); }
.studio-control-advanced-body { display: grid; gap: 10px; padding: 4px 10px 12px; }
.studio-control-advanced-body > label { margin: 0; }
.studio #leftPaneControl .axis-values-empty { padding: 0; font-family: var(--font-ui); font-size: .875rem; line-height: 1.6; }
.studio #targetValuesHelp { margin: 0; font-size: .875rem; line-height: 1.6; }
.studio .camera-workspace { grid-template-rows: minmax(0, 1fr); }
.studio .studio-camera-overlay { position: absolute; top: 12px; right: 12px; z-index: 14; max-width: calc(100% - 24px); min-width: 0; padding: 5px; gap: 8px; border: 1px solid var(--border); border-radius: 10px; box-shadow: 0 4px 18px var(--shadow); }
.studio .studio-camera-overlay .camera-picker { flex: 0 1 240px; min-width: 120px; max-width: 240px; font-size: .875rem; }
.studio .studio-camera-overlay .camera-picker summary { min-height: 32px; border-color: transparent; background: transparent; }
.studio .studio-camera-overlay .camera-picker-menu { width: min(300px, calc(100vw - 50px)); border-radius: 9px; }
.studio .studio-camera-overlay #cameraState { margin-right: 4px; }
.studio .transport-warning { top: 68px; }
.studio .viewport-title { display: none; }
.studio .camera-grid { padding: 8px; gap: 8px; }
.studio .camera-tile { position: relative; grid-template-rows: minmax(0, 1fr); min-height: 0; border-radius: 9px; border-color: var(--border); }
.studio .camera-tile-header { position: absolute; z-index: 1; inset: 8px 8px auto; padding: 0; background: transparent; pointer-events: none; }
.studio .camera-tile-name, .studio .camera-tile-status { padding: 5px 8px; border-radius: 5px; color: #ffffff; background: #10151ddb; font-family: var(--font-ui); font-size: .75rem; }
.studio .camera-tile-meta { position: absolute; bottom: 7px; left: 7px; max-width: calc(100% - 14px); padding: 3px 7px; border-radius: 4px; color: #ffffff; background: #10151ddb; font-size: .75rem; pointer-events: none; }
.studio .camera-tile-frame { grid-row: 1; }
.studio .camera-grid[data-count="3"] { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-rows: minmax(0, 2fr) minmax(0, 1fr); overflow: hidden; }
.studio .camera-grid[data-count="3"] .camera-tile:first-child { grid-column: 1 / -1; }
.studio .console-dock { --studio-console-columns: minmax(0, 1fr) minmax(300px, min(32%, 380px)); background: var(--panel); }
.studio .console-header { display: grid; grid-template-columns: var(--studio-console-columns); background: var(--panel); }
.studio-console-header-main { display: flex; align-items: center; min-width: 0; }
.studio .console-content { display: grid; grid-template-columns: var(--studio-console-columns); }
.studio .console-tabs [role="tab"] { padding-inline: 10px; }
.studio-console-primary { min-height: 0; min-width: 0; overflow: hidden; }
.studio #consolePaneEvents { display: grid; grid-template-rows: 30px minmax(0, 1fr); }
.studio-log-columns, .studio #eventLog > li { display: grid; grid-template-columns: 84px 46px minmax(65px, .6fr) minmax(80px, .7fr) minmax(150px, 2fr); align-items: start; gap: 10px; padding: 7px 14px; }
.studio-log-columns { color: var(--muted); border-bottom: 1px solid var(--border); font-size: .75rem; background: var(--panel-raised); }
.studio #eventLog { height: auto; padding: 0; background: var(--panel); }
.studio #eventLog > li { border-bottom: 1px solid var(--border); font-family: var(--font-ui); font-size: .8125rem; line-height: 1.6; }
.studio #eventLog .log-time { font-family: var(--font-mono); font-size: .75rem; }
.studio #consolePanePerformance { grid-template-rows: minmax(0, 1fr); min-width: 0; border-left: 1px solid var(--border); background: var(--panel); }
.studio .performance-toolbar { height: 41px; min-height: 38px; gap: 8px; padding: 0 12px; border-bottom: 0; border-left: 1px solid var(--border); background: var(--panel); }
.studio .performance-toolbar strong { font-size: .875rem; font-weight: 500; }
.studio .studio-performance-toggle { display: grid; place-items: center; flex: none; width: 28px; min-height: 28px; padding: 5px; margin-left: auto; border: 0; border-radius: 6px; background: transparent; color: var(--muted); }
.studio-performance-toggle > .studio-icon { width: 17px; height: 17px; }
.studio .console-dock:not([data-performance-expanded="true"]) #performancePid { display: none; }
.studio .performance-grid { grid-template-columns: 1fr; gap: 0; padding: 4px 12px; background: var(--panel); }
.studio .performance-chart { display: grid; grid-template-columns: minmax(150px, 1fr) minmax(70px, 110px); grid-template-rows: minmax(36px, 1fr); min-width: 0; min-height: 36px; gap: 12px; background: var(--panel); }
.studio .performance-chart header { gap: 8px; padding: 0; border: 0; }
.studio .performance-chart header strong { font-size: .8125rem; font-weight: 400; }
.studio .performance-chart header span { font-size: .8125rem; font-weight: 500; }
.studio .performance-chart canvas { min-height: 0; height: 100%; max-height: 42px; align-self: center; }
#performanceFpsValue { color: var(--success); }
#performanceFrameValue { color: var(--accent); }
#performanceRenderValue { color: var(--purple); }
#performancePhysicsValue { color: var(--teal); }
#performancePlaygroundValue { color: var(--muted); }
.studio .studio-overhead-chart { grid-template-rows: 22px 22px; row-gap: 0; padding-block: 0; }
.studio .studio-overhead-chart canvas { grid-column: 2; grid-row: 1 / 3; }
.studio .studio-overhead-select { grid-column: 1; width: 100%; min-height: 22px; height: 22px; padding: 0 18px 0 0; border: 0; border-radius: 0; background-color: transparent; color: var(--muted); font-family: var(--font-ui); font-size: .8125rem; }
.studio-performance-breakdown { padding: 0 16px 16px; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; }
.studio-performance-note { grid-column: 1 / -1; margin: 4px 0; color: var(--muted); font-size: .875rem; line-height: 1.6; }
.studio-performance-breakdown h3 { margin: 0 0 12px; font-size: .875rem; font-weight: 500; }
.studio-performance-breakdown dl { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; margin: 0; font-size: .875rem; }
.studio-performance-breakdown dt { color: var(--muted); }
.studio-performance-breakdown dd { margin: 0; font-variant-numeric: tabular-nums; }
.studio .performance-pane[data-compact="true"] .studio-performance-breakdown { display: none; }
.studio .performance-pane[data-compact="true"] .performance-chart { grid-template-rows: 32px; min-height: 32px; }
.studio .performance-pane[data-compact="true"] .studio-overhead-chart { grid-template-rows: 20px 20px; }
.studio .performance-pane[data-compact="true"] .studio-overhead-select { min-height: 20px; height: 20px; }
.studio #consolePanePerformance[data-compact="false"] { display: block; overflow: auto; }
.studio .console-content[data-performance-expanded="true"] { grid-template-columns: minmax(0, 1fr); }
.studio .performance-pane[data-compact="false"] .performance-grid { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.studio .performance-pane[data-compact="false"] .performance-chart { grid-template-columns: minmax(180px, 1fr); grid-template-rows: 26px minmax(110px, 1fr); }
.studio .performance-pane[data-compact="false"] canvas { max-height: none; min-height: 110px; }
.studio .performance-pane[data-compact="false"] .studio-overhead-chart { grid-template-rows: 26px 26px minmax(110px, 1fr); }
.studio .performance-pane[data-compact="false"] .studio-overhead-chart canvas { grid-column: 1; grid-row: 3; }
.studio #rightPaneScene { grid-template-rows: minmax(0, 1fr); }
.studio-entity-properties { min-height: 0; overflow: auto; padding: 0 16px 14px; }
.studio-property-section { padding: 12px 0; border-bottom: 1px solid var(--border); }
.studio-property-section h3 { margin: 0 0 10px; color: var(--muted); font-size: .875rem; font-weight: 500; }
.studio-property-fields { display: grid; grid-template-columns: minmax(95px, .9fr) minmax(0, 1.3fr); gap: 7px 10px; margin: 0; font-size: .875rem; line-height: 1.6; }
.studio-property-fields dt { color: var(--muted); overflow-wrap: anywhere; }
.studio-property-fields dd { min-width: 0; margin: 0; text-align: right; overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }
.studio-property-item { display: inline-block; margin-left: 8px; }
.studio-property-record { margin-top: 8px; padding: 12px; border: 1px solid var(--border); border-radius: 8px; }
.studio-property-record summary { cursor: pointer; overflow-wrap: anywhere; font-size: .875rem; }
.studio-property-record[open] > summary { margin-bottom: 16px; }
.studio-property-record .studio-property-fields { grid-template-columns: minmax(85px, 1fr) minmax(0, 1.2fr); }
.studio-property-fields .studio-property-fields { grid-template-columns: 1fr; gap: 4px; }
.studio-properties-empty, .studio-property-unavailable { color: var(--muted); font-size: .875rem; line-height: 1.7; }
.studio-properties-empty { padding: 24px 0; }
@media (max-width: 1000px) {
  .studio-playground { display: block; overflow: auto; }
  .studio-simulation-toolbar { position: sticky; top: 0; z-index: 20; }
  .studio .app-shell { display: flex; min-height: 0; flex-direction: column; overflow: visible; }
  .studio .camera-workspace { order: -1; height: 500px; flex: none; }
  .studio .rail { height: 420px; flex: none; }
  .studio #controlRail { height: 220px; }
  .studio .splitter { display: none; }
  .studio .console-dock { height: 420px; }
  .studio.console-collapsed .console-dock { height: 42px; min-height: 42px; }
  .studio .console-content { grid-template-columns: minmax(0, 1fr); grid-template-rows: minmax(0, 1fr) 180px; }
  .studio .console-content[data-performance-expanded="true"] { grid-template-rows: minmax(0, 1fr); }
  .studio #consolePanePerformance { border-left: 0; border-top: 1px solid var(--border); }
  .studio .performance-chart { grid-template-columns: minmax(150px, 1fr) 110px; }
  .studio .performance-pane[data-compact="false"] .performance-grid { grid-template-columns: repeat(2, minmax(180px, 1fr)); }
}