:root {
  --lab-bg: #07110f;
  --lab-bg-2: #0a1814;
  --lab-panel: rgba(13, 31, 25, .86);
  --lab-panel-2: rgba(16, 40, 32, .76);
  --lab-ink: #e2f5e9;
  --lab-soft: #a2c4b0;
  --lab-muted: #6f9580;
  --lab-green: #7ce2a0;
  --lab-green-2: #35b979;
  --lab-cyan: #72ded5;
  --lab-amber: #ffd166;
  --lab-red: #e57979;
  --lab-line: rgba(124, 226, 160, .2);
  --lab-line-bright: rgba(124, 226, 160, .42);
  --lab-radius: 14px;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--lab-bg); }
body { margin: 0; min-height: 100vh; color: var(--lab-ink); background: radial-gradient(1100px 520px at 72% -10%, rgba(48, 153, 113, .18), transparent 68%), var(--lab-bg); font-family: "Bricolage Grotesque", system-ui, sans-serif; }
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
.skip { position: fixed; z-index: 20; top: 10px; left: 10px; transform: translateY(-150%); padding: 10px 14px; background: var(--lab-ink); color: var(--lab-bg); border-radius: 7px; }
.skip:focus { transform: none; }
.mono, .eyebrow, .metric-label, .field-label, .clock-badge, .data-pill, .control-caption, .side-heading, .scene-legend, .scene-hint { font-family: "IBM Plex Mono", monospace; }
.eyebrow { margin: 0; color: var(--lab-green); font-size: 10px; font-weight: 500; letter-spacing: .15em; text-transform: uppercase; }

.lab-header { display: grid; grid-template-columns: minmax(240px, 1fr) minmax(300px, 1.4fr) minmax(240px, 1fr); align-items: center; gap: 26px; min-height: 78px; padding: 12px 28px; border-bottom: 1px solid var(--lab-line); background: rgba(5, 16, 13, .78); backdrop-filter: blur(16px); }
.lab-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--lab-ink); text-decoration: none; }
.lab-brand svg { width: 30px; height: 30px; color: var(--lab-green); }
.lab-brand strong { display: block; font-size: 14px; letter-spacing: .02em; }
.lab-brand small { display: block; margin-top: 3px; color: var(--lab-muted); font: 9px "IBM Plex Mono", monospace; letter-spacing: .08em; }
.lab-header-copy { border-left: 1px solid var(--lab-line); padding-left: 24px; }
.lab-header-copy h1 { margin: 3px 0 0; color: var(--lab-ink); font-size: clamp(19px, 2vw, 27px); font-weight: 500; letter-spacing: -.035em; }
.lab-header-copy h1 i { color: var(--lab-cyan); font-style: normal; font-weight: 400; }
.header-actions { display: flex; align-items: center; justify-content: flex-end; gap: 18px; }
.data-pill { display: inline-flex; align-items: center; gap: 7px; color: var(--lab-green); font-size: 10px; letter-spacing: .08em; }
.data-pill i, .legend-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--lab-green); box-shadow: 0 0 12px currentColor; }
.data-pill i { animation: dataPulse 2.4s ease-in-out infinite; }
.back-link { color: var(--lab-soft); font-size: 12px; text-decoration: none; }
.back-link:hover { color: var(--lab-ink); }
.sound-btn { padding: 6px 9px; border: 1px solid var(--lab-line); border-radius: 7px; background: rgba(7, 20, 15, .4); color: var(--lab-muted); font: 10px "IBM Plex Mono", monospace; cursor: pointer; }
.sound-btn:hover, .sound-btn[aria-pressed="true"] { border-color: var(--lab-cyan); color: var(--lab-cyan); background: rgba(114, 222, 213, .08); }
@keyframes dataPulse { 50% { opacity: .42; transform: scale(.72); } }

.lab-shell { display: grid; grid-template-columns: 292px minmax(0, 1fr); max-width: 1800px; min-height: calc(100vh - 78px); margin: 0 auto; }
.lab-sidebar { display: flex; flex-direction: column; gap: 18px; padding: 22px 18px 24px; border-right: 1px solid var(--lab-line); background: rgba(4, 15, 12, .58); }
.side-intro { padding: 0 4px 3px; }
.side-intro > p:not(.eyebrow):not(.provenance-note) { margin: 10px 0 0; color: var(--lab-soft); font-family: "Source Serif 4", Georgia, serif; font-size: 14px; line-height: 1.48; }
.provenance-note { margin: 13px 0 0; padding: 10px 11px; border-left: 2px solid var(--lab-cyan); color: var(--lab-muted); font-size: 10.5px; line-height: 1.45; }
.provenance-note b { display: block; margin-bottom: 3px; color: var(--lab-cyan); font: 10px "IBM Plex Mono", monospace; letter-spacing: .08em; text-transform: uppercase; }
.lab-tabs { display: grid; gap: 5px; }
.lab-tab { display: flex; align-items: center; gap: 11px; width: 100%; padding: 10px 11px; border: 1px solid transparent; border-radius: 9px; background: transparent; color: var(--lab-soft); text-align: left; cursor: pointer; }
.lab-tab:hover { border-color: var(--lab-line); background: rgba(124, 226, 160, .05); color: var(--lab-ink); }
.lab-tab.is-active { border-color: var(--lab-line-bright); background: linear-gradient(100deg, rgba(63, 166, 112, .18), rgba(20, 64, 49, .12)); color: var(--lab-ink); box-shadow: inset 3px 0 var(--lab-green); }
.tab-index { width: 23px; color: var(--lab-muted); font: 10px "IBM Plex Mono", monospace; }
.lab-tab.is-active .tab-index { color: var(--lab-green); }
.lab-tab b { display: block; font-size: 12.5px; font-weight: 500; }
.lab-tab small { display: block; margin-top: 2px; color: var(--lab-muted); font-size: 10px; }
.side-controls { padding: 13px; border: 1px solid var(--lab-line); border-radius: var(--lab-radius); background: rgba(12, 33, 25, .5); }
.side-heading { display: flex; align-items: center; justify-content: space-between; gap: 8px; color: var(--lab-soft); font-size: 10px; letter-spacing: .06em; text-transform: uppercase; }
.clock-badge { color: var(--lab-amber); font-size: 9px; }
.clock-badge.is-running { color: var(--lab-green); }
.clock-readout { margin: 7px 0 11px; color: var(--lab-ink); font: 500 18px "IBM Plex Mono", monospace; letter-spacing: -.05em; }
.control-row { display: flex; gap: 7px; margin-top: 9px; }
.control-btn, .text-btn, .icon-btn, .field { border: 1px solid var(--lab-line); border-radius: 7px; background: rgba(7, 20, 15, .72); color: var(--lab-soft); }
.control-btn { flex: 1; padding: 8px 7px; font-size: 11px; cursor: pointer; }
.control-btn:hover, .text-btn:hover, .icon-btn:hover { border-color: var(--lab-line-bright); color: var(--lab-ink); }
.control-btn.primary { border-color: rgba(124, 226, 160, .55); background: rgba(54, 174, 112, .16); color: var(--lab-green); }
.field-label { display: block; margin: 12px 0 5px; color: var(--lab-muted); font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.field { width: 100%; padding: 8px 9px; outline: none; font-size: 11px; }
.field:focus { border-color: var(--lab-cyan); box-shadow: 0 0 0 2px rgba(114, 222, 213, .12); }
select.field { appearance: auto; }
.text-btn { flex: 1; padding: 7px 5px; font-size: 10px; cursor: pointer; }
.seed-row { display: flex; gap: 6px; }
.seed-row .field { min-width: 0; }
.icon-btn { width: 33px; padding: 0; color: var(--lab-green); cursor: pointer; }
.persistence { margin-top: auto; }
.side-footer { margin: 0; color: var(--lab-muted); font: 9px/1.5 "IBM Plex Mono", monospace; }

.lab-content { min-width: 0; padding: 24px clamp(16px, 3vw, 46px) 56px; }
.workspace-bar { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.workspace-bar h2 { margin: 5px 0 0; color: var(--lab-ink); font-size: clamp(22px, 3vw, 35px); font-weight: 500; letter-spacing: -.05em; }
.camera-controls { display: flex; align-items: center; gap: 5px; padding-bottom: 2px; }
.control-caption { margin-right: 4px; color: var(--lab-muted); font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.camera-btn { padding: 6px 9px; border: 1px solid var(--lab-line); border-radius: 7px; background: transparent; color: var(--lab-muted); font: 10px "IBM Plex Mono", monospace; cursor: pointer; }
.camera-btn:hover, .camera-btn.is-active { border-color: var(--lab-cyan); background: rgba(114, 222, 213, .1); color: var(--lab-cyan); }
.scene-frame { position: relative; min-height: 390px; height: min(51vh, 620px); overflow: hidden; border: 1px solid var(--lab-line); border-radius: 17px; background: #07110f; box-shadow: 0 18px 55px rgba(0, 0, 0, .22); }
#labCanvas { display: block; width: 100%; height: 100%; outline: none; cursor: grab; }
#labCanvas:active { cursor: grabbing; }
.scene-loading { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; gap: 9px; color: var(--lab-soft); background: radial-gradient(circle at 50% 45%, rgba(33, 124, 88, .2), transparent 48%), rgba(5, 17, 13, .82); font: 11px "IBM Plex Mono", monospace; transition: opacity .35s; }
.scene-loading.is-ready { opacity: 0; pointer-events: none; }
.loader { width: 14px; height: 14px; border: 2px solid rgba(124, 226, 160, .25); border-top-color: var(--lab-green); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.scene-legend, .scene-hint { position: absolute; padding: 8px 10px; border: 1px solid rgba(124, 226, 160, .16); border-radius: 8px; background: rgba(4, 16, 12, .62); backdrop-filter: blur(8px); font-size: 9px; }
.scene-legend { top: 12px; left: 12px; display: flex; gap: 12px; color: var(--lab-soft); }
.scene-legend span { display: inline-flex; align-items: center; gap: 5px; }
.scene-legend .cyan { color: var(--lab-cyan); background: currentColor; }
.scene-legend .amber { color: var(--lab-amber); background: currentColor; }
.scene-hint { right: 12px; bottom: 12px; color: var(--lab-muted); }
.scene-status { position: absolute; left: 12px; bottom: 12px; padding: 7px 9px; border: 1px solid rgba(124, 226, 160, .16); border-radius: 8px; background: rgba(4, 16, 12, .62); color: var(--lab-muted); font: 9px "IBM Plex Mono", monospace; }
.scene-status.is-warning { border-color: rgba(255, 209, 102, .4); color: var(--lab-amber); }

.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 9px; margin: 12px 0 22px; }
.metric-card { min-height: 89px; padding: 13px 14px; border: 1px solid var(--lab-line); border-radius: 11px; background: rgba(9, 28, 21, .62); }
.metric-label { display: block; color: var(--lab-muted); font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.metric-card strong { display: block; margin-top: 8px; color: var(--lab-ink); font: 500 clamp(17px, 2vw, 24px) "IBM Plex Mono", monospace; letter-spacing: -.05em; }
.metric-card small { display: block; margin-top: 5px; color: var(--lab-soft); font-size: 10px; }
.metric-card:nth-child(1) strong { color: var(--lab-green); }
.metric-card:nth-child(4) strong { color: var(--lab-cyan); }
.health-healthy { color: var(--lab-green) !important; }
.health-stressed { color: var(--lab-amber) !important; }
.health-critical { color: var(--lab-red) !important; }

.workspace { min-height: 260px; }
.workspace-card { padding: 20px; border: 1px solid var(--lab-line); border-radius: var(--lab-radius); background: linear-gradient(135deg, rgba(16, 42, 31, .65), rgba(7, 20, 15, .68)); }
.workspace-card + .workspace-card { margin-top: 10px; }
.workspace-card h3 { margin: 0; color: var(--lab-ink); font-size: 18px; font-weight: 500; letter-spacing: -.03em; }
.workspace-card h4 { margin: 0; color: var(--lab-ink); font-size: 13px; font-weight: 500; }
.workspace-card > p, .workspace-card h3 + p { max-width: 74ch; margin: 8px 0 0; color: var(--lab-soft); font: 14px/1.55 "Source Serif 4", Georgia, serif; }
.card-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 15px; margin-bottom: 16px; }
.card-heading > .eyebrow { padding-top: 4px; }
.two-col { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(260px, .75fr); gap: 14px; align-items: start; }
.three-col { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 9px; }
.mini-card { padding: 12px; border: 1px solid var(--lab-line); border-radius: 9px; background: rgba(3, 14, 10, .4); }
.mini-card .mini-label { display: block; color: var(--lab-muted); font: 9px "IBM Plex Mono", monospace; letter-spacing: .08em; text-transform: uppercase; }
.mini-card strong { display: block; margin-top: 8px; color: var(--lab-ink); font: 500 20px "IBM Plex Mono", monospace; }
.mini-card small { display: block; margin-top: 4px; color: var(--lab-soft); font-size: 10px; line-height: 1.4; }
.note { padding: 11px 13px; border-left: 2px solid var(--lab-cyan); background: rgba(114, 222, 213, .06); color: var(--lab-soft); font-size: 11px; line-height: 1.5; }
.note b { color: var(--lab-cyan); }
.note.warning { border-color: var(--lab-amber); background: rgba(255, 209, 102, .06); }
.note.warning b { color: var(--lab-amber); }
.action-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 15px; }
.action-btn { min-height: 36px; padding: 9px 14px; border: 1px solid var(--lab-line-bright); border-radius: 8px; background: linear-gradient(135deg, rgba(64, 178, 115, .22), rgba(31, 105, 79, .16)); color: var(--lab-green); font-size: 11px; font-weight: 600; cursor: pointer; box-shadow: 0 5px 16px rgba(0,0,0,.12); }
.action-btn:hover { background: rgba(64, 178, 115, .22); }
.action-btn:focus-visible, .control-btn:focus-visible, .text-btn:focus-visible, .camera-btn:focus-visible, .sound-btn:focus-visible { outline: 2px solid var(--lab-cyan); outline-offset: 2px; }
.action-btn.secondary { border-color: var(--lab-line); background: rgba(5, 18, 14, .4); color: var(--lab-soft); }
.action-btn.cyan { border-color: rgba(114, 222, 213, .45); background: rgba(114, 222, 213, .09); color: var(--lab-cyan); }
.action-btn:disabled { opacity: .4; cursor: not-allowed; }
.badge { display: inline-flex; align-items: center; padding: 4px 7px; border-radius: 99px; background: rgba(124, 226, 160, .1); color: var(--lab-green); font: 9px "IBM Plex Mono", monospace; letter-spacing: .06em; text-transform: uppercase; }
.badge.cyan { background: rgba(114, 222, 213, .1); color: var(--lab-cyan); }
.badge.amber { background: rgba(255, 209, 102, .1); color: var(--lab-amber); }
.badge.red { background: rgba(229, 121, 121, .1); color: var(--lab-red); }

.stage-row { display: grid; grid-template-columns: repeat(6, 1fr); gap: 5px; margin: 16px 0; }
.stage-node { position: relative; padding: 10px 7px; border: 1px solid var(--lab-line); border-radius: 7px; color: var(--lab-muted); text-align: center; font: 9px "IBM Plex Mono", monospace; }
.stage-node::after { position: absolute; top: 50%; right: -7px; width: 8px; height: 1px; background: var(--lab-line); content: ""; }
.stage-node:last-child::after { display: none; }
.stage-node.is-done { border-color: rgba(124, 226, 160, .42); color: var(--lab-green); }
.stage-node.is-current { border-color: var(--lab-cyan); background: rgba(114, 222, 213, .1); color: var(--lab-cyan); }
.stage-node b { display: block; margin-bottom: 4px; font: 10px "Bricolage Grotesque", sans-serif; }
.stage-node small { display: block; color: inherit; opacity: .76; }
.progress-track { height: 6px; overflow: hidden; border-radius: 5px; background: rgba(255, 255, 255, .08); }
.progress-track i { display: block; height: 100%; width: 0; border-radius: inherit; background: linear-gradient(90deg, var(--lab-cyan), var(--lab-green)); transition: width .25s; }
.workflow-copy { display: flex; justify-content: space-between; gap: 10px; margin: 7px 0 0; color: var(--lab-muted); font: 10px "IBM Plex Mono", monospace; }
.range-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 16px; }
.range-item { min-width: 0; }
.range-top { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 5px; }
.range-top label { color: var(--lab-soft); font-size: 11px; }
.range-top output { color: var(--lab-cyan); font: 10px "IBM Plex Mono", monospace; }
input[type="range"] { width: 100%; height: 4px; appearance: none; border-radius: 4px; outline: none; background: rgba(124, 226, 160, .18); }
input[type="range"]::-webkit-slider-thumb { width: 14px; height: 14px; appearance: none; border: 2px solid var(--lab-bg); border-radius: 50%; background: var(--lab-cyan); cursor: pointer; box-shadow: 0 0 0 1px var(--lab-cyan); }
input[type="range"]::-moz-range-thumb { width: 12px; height: 12px; border: 2px solid var(--lab-bg); border-radius: 50%; background: var(--lab-cyan); cursor: pointer; }
.unit-note { margin: 13px 0 0; color: var(--lab-muted); font: 10px/1.5 "IBM Plex Mono", monospace; }
.bar-chart { display: flex; align-items: end; gap: 4px; height: 124px; padding: 13px 0 0; border-bottom: 1px solid var(--lab-line); }
.bar-chart span { flex: 1; min-width: 3px; height: 2%; border-radius: 3px 3px 0 0; background: linear-gradient(180deg, var(--lab-green), var(--lab-green-2)); opacity: .8; }
.bar-chart span:hover { opacity: 1; background: var(--lab-cyan); }
.chart-axis { display: flex; justify-content: space-between; margin-top: 6px; color: var(--lab-muted); font: 9px "IBM Plex Mono", monospace; }
.factor-list { display: grid; gap: 8px; }
.factor-line { display: grid; grid-template-columns: 120px 1fr 42px; align-items: center; gap: 8px; color: var(--lab-soft); font-size: 10px; }
.factor-line i { display: block; height: 5px; overflow: hidden; border-radius: 4px; background: rgba(255,255,255,.08); }
.factor-line i b { display: block; height: 100%; border-radius: inherit; background: var(--lab-green); }
.factor-line output { color: var(--lab-muted); font: 9px "IBM Plex Mono", monospace; text-align: right; }
.sensor-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.sensor-item { min-width: 0; padding: 10px; border: 1px solid var(--lab-line); border-radius: 9px; background: rgba(3, 14, 10, .4); }
.sensor-item span { display: block; color: var(--lab-muted); font: 9px/1.35 "IBM Plex Mono", monospace; }
.sensor-item strong { display: block; margin-top: 7px; color: var(--lab-cyan); font: 500 15px "IBM Plex Mono", monospace; }
.sensor-item small { display: block; margin-top: 4px; color: var(--lab-soft); font-size: 9px; line-height: 1.35; }
.device-panel { margin-top: 14px; }
.device-panel .unit-note, .device-panel .sensor-item { overflow-wrap: anywhere; }
.device-panel .field { min-width: 0; max-width: 640px; }
.device-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 14px; }
#deviceResults { margin-top: 20px; }
.comparison-list { display: grid; gap: 12px; }
.comparison-row { display: grid; grid-template-columns: minmax(150px, .8fr) minmax(120px, 1.5fr) 70px; align-items: center; gap: 12px; }
.comparison-row > div { min-width: 0; }
.comparison-row b { display: block; overflow: hidden; color: var(--lab-soft); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.comparison-row small { display: block; margin-top: 3px; color: var(--lab-muted); font: 9px "IBM Plex Mono", monospace; }
.comparison-row > i { display: block; height: 7px; overflow: hidden; border-radius: 5px; background: rgba(255,255,255,.08); }
.comparison-row > i b { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--lab-cyan), var(--lab-green)); }
.comparison-row > strong { color: var(--lab-ink); font: 500 11px "IBM Plex Mono", monospace; text-align: right; }
.analysis-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.support-list { display: grid; gap: 7px; margin: 8px 0 0; padding-left: 17px; color: var(--lab-soft); font-size: 11px; line-height: 1.45; }
.support-list li::marker { color: var(--lab-cyan); }
.cell-table, .data-table { width: 100%; border-collapse: collapse; font-size: 11px; }
.cell-table th, .cell-table td, .data-table th, .data-table td { padding: 9px 7px; border-bottom: 1px solid rgba(124, 226, 160, .12); text-align: left; }
.cell-table th, .data-table th { color: var(--lab-muted); font: 9px "IBM Plex Mono", monospace; letter-spacing: .06em; text-transform: uppercase; }
.cell-table td, .data-table td { color: var(--lab-soft); }
.cell-table tbody tr { cursor: pointer; }
.cell-table tbody tr:hover, .cell-table tbody tr.is-selected { background: rgba(114, 222, 213, .08); }
.cell-table .cell-id { color: var(--lab-cyan); font-family: "IBM Plex Mono", monospace; }
.empty-state { padding: 28px 8px; color: var(--lab-muted); text-align: center; font: 11px "IBM Plex Mono", monospace; }
.event-list { display: grid; gap: 0; max-height: 280px; overflow: auto; }
.event-row { display: grid; grid-template-columns: 84px minmax(0, 1fr); gap: 12px; padding: 9px 0; border-bottom: 1px solid rgba(124, 226, 160, .1); }
.event-row time { color: var(--lab-cyan); font: 9px "IBM Plex Mono", monospace; }
.event-row p { margin: 0; color: var(--lab-soft); font-size: 11px; line-height: 1.4; }
.event-row small { display: block; margin-top: 3px; color: var(--lab-muted); font: 9px "IBM Plex Mono", monospace; }
.assumption-list { display: grid; gap: 8px; margin: 0; padding: 0 0 0 17px; color: var(--lab-soft); font: 12px/1.52 "Source Serif 4", Georgia, serif; }
.assumption-list li::marker { color: var(--lab-green); }
.report-code { max-height: 180px; overflow: auto; padding: 12px; border: 1px solid var(--lab-line); border-radius: 8px; background: rgba(0,0,0,.25); color: var(--lab-soft); font: 10px/1.5 "IBM Plex Mono", monospace; white-space: pre-wrap; }
.toast { position: fixed; right: 22px; bottom: 22px; z-index: 30; max-width: min(360px, calc(100vw - 44px)); padding: 11px 14px; border: 1px solid var(--lab-cyan); border-radius: 9px; background: #0b211a; color: var(--lab-ink); box-shadow: 0 12px 35px rgba(0,0,0,.35); font-size: 11px; opacity: 0; pointer-events: none; transform: translateY(8px); transition: opacity .25s, transform .25s; }
.toast.is-visible { opacity: 1; transform: none; }

@media (max-width: 1050px) {
  .lab-header { grid-template-columns: 1fr auto; }
  .lab-header-copy { display: none; }
  .lab-shell { grid-template-columns: 250px minmax(0, 1fr); }
  .lab-sidebar { padding-inline: 13px; }
  .two-col { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .lab-header { min-height: 66px; padding: 10px 14px; }
  .lab-brand small { font-size: 8px; }
  .header-actions { gap: 10px; }
  .data-pill { font-size: 8px; }
  .sound-btn { font-size: 8px; padding-inline: 6px; }
  .back-link { font-size: 11px; }
  .lab-shell { display: block; }
  .lab-sidebar { border-right: 0; border-bottom: 1px solid var(--lab-line); padding: 14px; }
  .side-intro { display: none; }
  .lab-tabs { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 3px; }
  .lab-tab { display: block; padding: 8px 4px; text-align: center; }
  .lab-tab.is-active { box-shadow: inset 0 -3px var(--lab-green); }
  .tab-index { display: block; width: auto; margin-bottom: 4px; }
  .lab-tab b { font-size: 10px; }
  .lab-tab small { display: none; }
  .side-controls { display: inline-block; width: calc(50% - 7px); margin: 12px 5px 0 0; vertical-align: top; }
  .side-controls:nth-of-type(2) { margin-right: 0; }
  .persistence, .side-footer { display: none; }
  .lab-content { padding: 18px 13px 40px; }
  .workspace-bar { display: block; }
  .camera-controls { margin-top: 12px; justify-content: flex-start; overflow-x: auto; }
  .scene-frame { height: 390px; min-height: 300px; }
  .scene-legend { right: 10px; left: auto; display: grid; gap: 4px; }
  .scene-hint { left: 10px; right: auto; }
  .scene-status { top: 47px; right: 10px; bottom: auto; left: auto; }
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric-card { min-height: 80px; padding: 11px; }
  .three-col, .range-grid, .sensor-grid, .analysis-grid { grid-template-columns: 1fr; }
  .stage-row { overflow-x: auto; grid-template-columns: repeat(5, minmax(93px, 1fr)); }
  .workspace-card { padding: 15px; }
  .card-heading { display: block; }
  .card-heading > .eyebrow { margin-top: 10px; }
  .factor-line { grid-template-columns: 95px 1fr 38px; }
  .cell-table { min-width: 650px; }
  .table-scroll { overflow-x: auto; }
}
@media (max-width: 520px) {
  .comparison-row { grid-template-columns: minmax(120px, 1fr) 90px 62px; gap: 7px; }
}
@media (max-width: 430px) {
  .lab-brand span { display: none; }
  .lab-tab b { font-size: 9px; }
  .side-controls { width: 100%; margin: 10px 0 0; }
  .side-controls:nth-of-type(2) { margin-right: 0; }
  .scene-frame { height: 320px; }
  .scene-legend { font-size: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}