:root {
    color-scheme: dark;
    --lab-bg: #141413;
    --lab-surface: #1b1b19;
    --lab-surface-2: #22221f;
    --lab-line: rgba(250, 249, 245, .11);
    --lab-line-strong: rgba(250, 249, 245, .2);
    --lab-text: #faf9f5;
    --lab-muted: #b0aea5;
    --lab-accent: #d97757;
    --lab-green: #788c5d;
    --lab-warning: #d7a95b;
    --lab-error: #d96f68;
    --lab-radius: 18px;
}

* { box-sizing: border-box; }

html { background: var(--lab-bg); }

body {
    min-height: 100dvh;
    margin: 0;
    overflow-x: hidden;
    background-color: var(--lab-bg);
    background-image:
        linear-gradient(rgba(250, 249, 245, .025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(250, 249, 245, .025) 1px, transparent 1px);
    background-size: 40px 40px;
    color: var(--lab-text);
    font-family: "Segoe UI Variable", "Segoe UI", system-ui, sans-serif;
    line-height: 1.6;
}

button,
input { font: inherit; }

button { touch-action: manipulation; }

.lab-topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 68px;
    padding: 10px clamp(18px, 4vw, 56px);
    border-bottom: 1px solid var(--lab-line);
    background: rgba(20, 20, 19, .88);
    backdrop-filter: blur(18px);
}

.lab-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--lab-text);
    font-weight: 720;
    text-decoration: none;
    letter-spacing: -.02em;
}

.lab-brand svg {
    width: 30px;
    height: 30px;
    fill: none;
    stroke: var(--lab-accent);
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.lab-nav { display: flex; align-items: center; gap: 8px; }

.lab-nav a {
    padding: 8px 11px;
    border-radius: 8px;
    color: var(--lab-muted);
    font-size: 13px;
    text-decoration: none;
    transition: color .2s ease, background-color .2s ease, transform .2s ease;
}

.lab-nav a:hover {
    transform: translateY(-1px);
    background: rgba(250, 249, 245, .06);
    color: var(--lab-text);
}

.lab-shell {
    width: min(1480px, 100%);
    margin: 0 auto;
    padding: clamp(40px, 6vw, 88px) clamp(16px, 4vw, 56px) 96px;
}

.lab-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(220px, .6fr);
    gap: 48px;
    align-items: end;
    margin-bottom: 48px;
}

.lab-kicker,
.panel-index {
    color: var(--lab-accent);
    font-size: 11px;
    font-weight: 760;
    letter-spacing: .13em;
}

.lab-hero h1 {
    max-width: 850px;
    margin: 12px 0 18px;
    font-size: clamp(38px, 6vw, 68px);
    line-height: 1.02;
    letter-spacing: -.055em;
}

.lab-hero p {
    max-width: 68ch;
    margin: 0;
    color: var(--lab-muted);
    font-size: clamp(16px, 1.7vw, 20px);
}

.hero-state {
    display: grid;
    gap: 5px;
    padding: 20px 0 2px 24px;
    border-left: 1px solid var(--lab-line-strong);
}

.hero-state span,
.hero-state small { color: var(--lab-muted); font-size: 12px; }
.hero-state strong { font-size: 19px; }

.error-banner {
    margin: 0 0 20px;
    padding: 14px 16px;
    border: 1px solid rgba(217, 111, 104, .55);
    border-radius: 12px;
    background: rgba(217, 111, 104, .1);
    color: #f3b7b2;
}

.workbench {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(330px, .55fr);
    gap: 18px;
    align-items: start;
}

.map-panel,
.control-panel,
.module-panel,
.event-panel {
    border: 1px solid var(--lab-line);
    border-radius: var(--lab-radius);
    background: rgba(27, 27, 25, .94);
}

.map-panel { overflow: hidden; }
.control-panel { padding: 24px; }

.panel-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 22px 24px;
    border-bottom: 1px solid var(--lab-line);
}

.panel-heading.compact { padding: 0 0 20px; }
.panel-heading h2 { margin: 4px 0 0; font-size: 22px; letter-spacing: -.025em; }

.map-legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 12px;
    color: var(--lab-muted);
    font-size: 11px;
}

.map-legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend-swatch { width: 9px; height: 9px; border-radius: 3px; background: var(--lab-surface-2); }
.legend-swatch.cleaned { background: var(--lab-green); }
.legend-swatch.obstacle { border: 1px solid var(--lab-muted); background: #34332f; }
.legend-swatch.carpet { border: 1px solid #b99269; background: repeating-linear-gradient(90deg, #6d5741 0 2px, #947553 2px 4px); }
.legend-swatch.stain { border: 1px solid #c87d65; background: rgba(217, 119, 87, .55); }
.legend-swatch.route { border: 1px solid var(--lab-accent); background: rgba(217, 119, 87, .2); }

.map-toolbar {
    display: grid;
    grid-template-columns: minmax(220px, .8fr) minmax(320px, 1.2fr);
    gap: 18px;
    padding: 16px 24px;
    border-bottom: 1px solid var(--lab-line);
    background: rgba(250, 249, 245, .018);
}

.tool-block { display: grid; gap: 7px; min-width: 0; }
.tool-block > label,
.tool-block legend { color: var(--lab-muted); font-size: 10px; font-weight: 650; }
.editor-fieldset { margin: 0; padding: 0; border: 0; }
.select-action { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 7px; }
.select-action select {
    min-width: 0;
    padding: 9px 34px 9px 11px;
    border: 1px solid var(--lab-line);
    border-radius: 8px;
    background: var(--lab-surface-2);
    color: var(--lab-text);
    font: inherit;
    font-size: 12px;
}

.editor-tools { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.editor-tools label { position: relative; cursor: pointer; }
.editor-tools input { position: absolute; opacity: 0; }
.editor-tools span {
    display: grid;
    place-items: center;
    min-height: 40px;
    padding: 8px 5px;
    border: 1px solid var(--lab-line);
    border-radius: 8px;
    color: var(--lab-muted);
    font-size: 11px;
    transition: transform .18s ease, border-color .2s ease, background-color .2s ease, color .2s ease;
}
.editor-tools input:checked + span { border-color: rgba(217, 119, 87, .6); background: rgba(217, 119, 87, .1); color: var(--lab-text); }
.editor-tools input:focus-visible + span { outline: 3px solid var(--lab-accent); outline-offset: 2px; }
.editor-tools span:active { transform: scale(.96); }

.map-stage {
    position: relative;
    padding: clamp(14px, 3vw, 30px);
    background: #171715;
}

.lab-loading {
    position: absolute;
    inset: 0;
    z-index: 4;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: #171715;
    color: var(--lab-muted);
    font-size: 13px;
    transition: opacity .25s ease;
}

.lab-loading[hidden] { display: none; }

.lab-loading span {
    width: 14px;
    height: 14px;
    border: 2px solid var(--lab-line-strong);
    border-top-color: var(--lab-accent);
    border-radius: 50%;
    animation: loading-spin .7s linear infinite;
}

@keyframes loading-spin { to { transform: rotate(360deg); } }

.room-grid {
    --grid-columns: 12;
    display: grid;
    grid-template-columns: repeat(var(--grid-columns), minmax(0, 1fr));
    gap: clamp(2px, .35vw, 4px);
    width: 100%;
    contain: layout style paint;
}

.lab-cell {
    position: relative;
    aspect-ratio: 1;
    min-width: 0;
    padding: 0;
    border: 1px solid rgba(250, 249, 245, .075);
    border-radius: clamp(3px, .55vw, 7px);
    background: #22221f;
    color: var(--lab-text);
    cursor: pointer;
    transition: transform .16s ease, background-color .2s ease, border-color .2s ease, opacity .2s ease;
}

.lab-cell:hover:not(:disabled) {
    z-index: 2;
    transform: scale(.92);
    border-color: rgba(217, 119, 87, .55);
}

.lab-cell:active:not(:disabled) { transform: scale(.84); }
.lab-cell:disabled { cursor: default; }

.lab-cell.obstacle {
    border-color: rgba(250, 249, 245, .22);
    background-color: #373631;
    background-image: repeating-linear-gradient(135deg, transparent 0 5px, rgba(250, 249, 245, .055) 5px 7px);
}

.lab-cell.carpet:not(.obstacle) {
    background-color: #3a3027;
    background-image: repeating-linear-gradient(90deg, transparent 0 5px, rgba(185, 146, 105, .18) 5px 7px);
}

.lab-cell.stain:not(.obstacle)::selection { background: transparent; }
.lab-cell.stain:not(.obstacle) { box-shadow: inset 0 0 0 2px rgba(217, 119, 87, .28); }
.lab-cell.stain:not(.obstacle) > * { pointer-events: none; }
.lab-cell.stain:not(.obstacle):not(.robot)::before {
    content: "";
    position: absolute;
    inset: 31%;
    border-radius: 48% 52% 44% 56%;
    background: rgba(217, 119, 87, .48);
    transform: rotate(-18deg);
}

.lab-cell.planned:not(.obstacle) {
    border-color: rgba(217, 119, 87, .5);
    background: rgba(217, 119, 87, .12);
}

.lab-cell.cleaned:not(.obstacle) {
    border-color: rgba(120, 140, 93, .5);
    background: rgba(120, 140, 93, .32);
}

.lab-cell.charger::after {
    content: "D";
    position: absolute;
    inset: 22%;
    display: grid;
    place-items: center;
    border: 1px solid rgba(250, 249, 245, .42);
    border-radius: 4px;
    color: var(--lab-muted);
    font-size: clamp(7px, 1vw, 12px);
    font-weight: 800;
}

.lab-cell.robot::before {
    content: "";
    position: absolute;
    inset: 14%;
    z-index: 3;
    border: 2px solid #f0b29d;
    border-radius: 50%;
    background: var(--lab-accent);
    box-shadow: 0 3px 8px rgba(20, 20, 19, .45);
    transform: rotate(var(--robot-angle, 0deg));
    transition: transform .2s ease;
}

.lab-cell.robot::after {
    content: "";
    position: absolute;
    z-index: 4;
    top: 25%;
    left: 50%;
    width: 2px;
    height: 24%;
    border-radius: 2px;
    background: var(--lab-text);
    transform: translateX(-50%) rotate(var(--robot-angle, 0deg));
    transform-origin: 50% 104%;
    transition: transform .2s ease;
}

.map-footer {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(170px, .38fr);
    gap: 24px;
    align-items: center;
    padding: 16px 24px 20px;
    border-top: 1px solid var(--lab-line);
}

.map-footer p { margin: 0; color: var(--lab-muted); font-size: 12px; }

.coverage-meter { display: grid; grid-template-columns: 42px 1fr; gap: 10px; align-items: center; }
.coverage-meter > span { color: var(--lab-text); font-size: 12px; font-variant-numeric: tabular-nums; }
.meter-track { height: 6px; overflow: hidden; border-radius: 999px; background: rgba(250, 249, 245, .1); }
.meter-track span { display: block; width: 100%; height: 100%; background: var(--lab-green); transform: scaleX(0); transform-origin: left; transition: transform .3s ease; }

.state-pill {
    padding: 5px 9px;
    border: 1px solid var(--lab-line-strong);
    border-radius: 999px;
    color: var(--lab-muted);
    font-size: 11px;
}

.state-pill[data-state="running"] { border-color: rgba(120, 140, 93, .6); color: #b9c9a3; }
.state-pill[data-state="paused"] { border-color: rgba(215, 169, 91, .6); color: #e9c986; }
.state-pill[data-state="returning"] { border-color: rgba(217, 119, 87, .6); color: #efac96; }
.state-pill[data-state="replay"] { border-color: rgba(215, 169, 91, .6); background: rgba(215, 169, 91, .1); color: #e9c986; }
.state-pill[data-state="complete"] { border-color: rgba(120, 140, 93, .6); background: rgba(120, 140, 93, .13); color: #c3d1b0; }
.state-pill[data-state="error"] { border-color: rgba(217, 111, 104, .65); color: #f3b7b2; }

.control-group { margin: 22px 0 0; padding: 0; border: 0; }
.control-group legend { margin-bottom: 10px; color: var(--lab-muted); font-size: 12px; font-weight: 650; }

.choice-list { display: grid; border-top: 1px solid var(--lab-line); }
.choice-list label { position: relative; cursor: pointer; }
.choice-list input { position: absolute; opacity: 0; pointer-events: none; }
.choice-list span { display: grid; gap: 2px; padding: 13px 10px 13px 32px; border-bottom: 1px solid var(--lab-line); transition: background-color .2s ease, transform .2s ease; }
.choice-list span::before { content: ""; position: absolute; top: 20px; left: 8px; width: 10px; height: 10px; border: 1px solid var(--lab-line-strong); border-radius: 50%; }
.choice-list input:checked + span { background: rgba(217, 119, 87, .08); }
.choice-list input:checked + span::before { border: 3px solid var(--lab-accent); }
.choice-list input:focus-visible + span { outline: 3px solid var(--lab-accent); outline-offset: 2px; }
.choice-list strong { font-size: 14px; }
.choice-list small { color: var(--lab-muted); font-size: 11px; }

.speed-control { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.speed-control label { position: relative; cursor: pointer; }
.speed-control input { position: absolute; opacity: 0; }
.speed-control span { display: grid; place-items: center; padding: 9px 5px; border: 1px solid var(--lab-line); border-radius: 8px; color: var(--lab-muted); font-size: 12px; transition: transform .2s ease, border-color .2s ease, color .2s ease, background-color .2s ease; }
.speed-control input:checked + span { border-color: rgba(217, 119, 87, .6); background: rgba(217, 119, 87, .1); color: var(--lab-text); }
.speed-control input:focus-visible + span { outline: 3px solid var(--lab-accent); outline-offset: 2px; }

.primary-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 24px; }
.secondary-actions { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; margin-top: 8px; }

.button,
.text-button {
    border: 0;
    cursor: pointer;
    transition: transform .18s ease, background-color .2s ease, border-color .2s ease, color .2s ease, opacity .2s ease;
}

.button:active:not(:disabled),
.text-button:active:not(:disabled) { transform: scale(.98); }

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 43px;
    padding: 10px 12px;
    border-radius: 9px;
    font-size: 12px;
    font-weight: 680;
}

.button svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.button.primary { border: 1px solid rgba(217, 119, 87, .48); background: rgba(217, 119, 87, .12); color: #f1b29d; }
.button.strong { background: var(--lab-accent); color: #211713; }
.button.ghost { border: 1px solid var(--lab-line); background: transparent; color: var(--lab-muted); }
.button:hover:not(:disabled) { transform: translateY(-2px); }
.button:disabled { cursor: not-allowed; opacity: .36; }

.mission-stats { display: grid; grid-template-columns: 1fr 1fr; margin: 24px 0 0; border-top: 1px solid var(--lab-line); }
.mission-stats div { padding: 14px 8px; border-bottom: 1px solid var(--lab-line); }
.mission-stats div:nth-child(odd) { border-right: 1px solid var(--lab-line); }
.mission-stats dt { color: var(--lab-muted); font-size: 10px; }
.mission-stats dd { margin: 3px 0 0; font-size: 17px; font-weight: 680; font-variant-numeric: tabular-nums; }

.experiment-grid {
    display: grid;
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: 14px;
    margin-top: 64px;
}

.challenge-panel,
.comparison-panel,
.output-panel {
    border: 1px solid var(--lab-line);
    border-radius: var(--lab-radius);
    background: rgba(27, 27, 25, .94);
}

.challenge-panel,
.comparison-panel { padding: 24px; }

.extension-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; padding-bottom: 17px; border-bottom: 1px solid var(--lab-line); }
.extension-heading h2 { margin: 4px 0 0; font-size: 22px; letter-spacing: -.025em; }
.extension-heading > span { color: var(--lab-muted); font-size: 11px; }
.extension-intro { margin: 17px 0; color: var(--lab-muted); font-size: 12px; }

.challenge-score {
    padding: 6px 10px;
    border: 1px solid var(--lab-line-strong);
    border-radius: 999px;
    white-space: nowrap;
}

.challenge-list { display: grid; gap: 7px; }
.challenge-list button {
    display: grid;
    gap: 2px;
    padding: 12px 14px;
    border: 1px solid var(--lab-line);
    border-radius: 9px;
    background: transparent;
    color: var(--lab-text);
    text-align: left;
    cursor: pointer;
    transition: transform .18s ease, border-color .2s ease, background-color .2s ease;
}
.challenge-list button:hover { transform: translateY(-2px); border-color: rgba(217, 119, 87, .48); }
.challenge-list button:active { transform: scale(.98); }
.challenge-list button.active { border-color: rgba(217, 119, 87, .62); background: rgba(217, 119, 87, .09); }
.challenge-list strong { font-size: 13px; }
.challenge-list span { color: var(--lab-muted); font-size: 10px; }

.challenge-current { margin-top: 16px; padding: 16px; border-left: 2px solid var(--lab-accent); background: rgba(217, 119, 87, .055); }
.challenge-current > span { color: var(--lab-muted); font-size: 10px; }
.challenge-current > strong { display: block; margin-top: 3px; font-size: 17px; }
.challenge-current p { margin: 7px 0 0; color: var(--lab-muted); font-size: 11px; }
.challenge-result { margin-top: 12px; padding-top: 11px; border-top: 1px solid var(--lab-line); color: var(--lab-text); font-size: 12px; }

.table-wrap { overflow-x: auto; }
.comparison-table { width: 100%; border-collapse: collapse; font-size: 11px; }
.comparison-table th,
.comparison-table td { padding: 11px 9px; border-bottom: 1px solid var(--lab-line); text-align: right; white-space: nowrap; }
.comparison-table th:first-child,
.comparison-table td:first-child { text-align: left; }
.comparison-table th { color: var(--lab-muted); font-weight: 600; }
.comparison-table td { font-variant-numeric: tabular-nums; }
.comparison-table tr.recommended td:first-child { color: var(--lab-accent); font-weight: 700; }
.comparison-table .empty-row td { padding: 28px 10px; color: var(--lab-muted); text-align: center; white-space: normal; }
.recommendation { margin: 15px 0 0; color: var(--lab-muted); font-size: 11px; }

.telemetry {
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: 14px;
    margin-top: 64px;
}

.telemetry-heading { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, .45fr); gap: 20px; align-items: end; margin-bottom: 10px; }
.telemetry-heading .panel-index { grid-column: 1 / -1; }
.telemetry-heading h2 { margin: 0; font-size: clamp(28px, 4vw, 44px); line-height: 1.12; letter-spacing: -.04em; }
.telemetry-heading p { margin: 0; color: var(--lab-muted); font-size: 14px; }

.module-panel { padding: 24px; }
.module-panel.perception { grid-row: span 2; }

.module-title { display: flex; align-items: center; gap: 14px; padding-bottom: 18px; border-bottom: 1px solid var(--lab-line); }
.module-title > span { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid rgba(217, 119, 87, .5); border-radius: 50%; color: var(--lab-accent); font-size: 11px; font-weight: 750; }
.module-title h3 { margin: 0; font-size: 18px; }
.module-title p { margin: 1px 0 0; color: var(--lab-muted); font-size: 11px; }

.data-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin: 20px 0 0; background: var(--lab-line); }
.data-grid div { min-height: 108px; padding: 17px; background: var(--lab-surface); }
.data-grid dt,
.data-list dt { color: var(--lab-muted); font-size: 11px; }
.data-grid dd { margin: 22px 0 0; font-size: clamp(20px, 3vw, 30px); font-weight: 710; letter-spacing: -.03em; }

.data-list { margin: 12px 0 0; }
.data-list div { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--lab-line); }
.data-list div:last-child { border-bottom: 0; }
.data-list dd { margin: 0; text-align: right; font-size: 13px; font-weight: 640; }

.output-panel {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr);
    gap: 1px;
    margin-top: 14px;
    overflow: hidden;
    background: var(--lab-line);
}

.replay-block,
.report-block { padding: 24px; background: var(--lab-surface); }
.replay-block > p,
.report-block > p { margin: 15px 0; color: var(--lab-muted); font-size: 11px; }
.replay-controls { display: grid; grid-template-columns: auto auto minmax(160px, 1fr); gap: 8px; align-items: center; }
.replay-controls input[type="range"] { width: 100%; accent-color: var(--lab-accent); }
.report-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.file-button { cursor: pointer; }
.report-summary { display: grid; grid-template-columns: repeat(4, 1fr); margin: 18px 0 0; border-top: 1px solid var(--lab-line); }
.report-summary div { padding: 12px 8px 0; border-right: 1px solid var(--lab-line); }
.report-summary div:last-child { border-right: 0; }
.report-summary dt { color: var(--lab-muted); font-size: 9px; }
.report-summary dd { margin: 3px 0 0; font-size: 15px; font-weight: 680; font-variant-numeric: tabular-nums; }

.event-panel { margin-top: 14px; padding: 24px; }
.event-panel > header { display: flex; align-items: end; justify-content: space-between; gap: 20px; padding-bottom: 17px; border-bottom: 1px solid var(--lab-line); }
.event-panel h2 { margin: 4px 0 0; font-size: 22px; }
.text-button { padding: 7px 0; background: transparent; color: var(--lab-muted); font-size: 12px; }
.text-button:hover { color: var(--lab-text); }

.event-log { max-height: 280px; margin: 0; padding: 0; overflow-y: auto; list-style: none; }
.event-log li { display: grid; grid-template-columns: 70px minmax(0, 1fr); gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--lab-line); color: var(--lab-muted); font-size: 12px; }
.event-log li:last-child { border-bottom: 0; }
.event-log time { color: var(--lab-accent); font-variant-numeric: tabular-nums; }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 1040px) {
    .workbench { grid-template-columns: 1fr; }
    .control-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; }
    .control-panel .panel-heading,
    .control-panel .primary-actions,
    .control-panel .secondary-actions,
    .control-panel .mission-stats { grid-column: 1 / -1; }
    .experiment-grid { grid-template-columns: 1fr; }
    .output-panel { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
    .lab-topbar { align-items: flex-start; }
    .lab-brand span { display: none; }
    .lab-nav { max-width: calc(100vw - 74px); overflow-x: auto; }
    .lab-nav a { white-space: nowrap; }
    .lab-hero { grid-template-columns: 1fr; gap: 22px; }
    .hero-state { padding-left: 16px; }
    .panel-heading { align-items: flex-start; flex-direction: column; }
    .map-legend { justify-content: flex-start; }
    .map-toolbar { grid-template-columns: 1fr; }
    .map-footer { grid-template-columns: 1fr; gap: 12px; }
    .control-panel { display: block; padding: 20px; }
    .telemetry { grid-template-columns: 1fr; }
    .telemetry-heading { grid-template-columns: 1fr; }
    .module-panel.perception { grid-row: auto; }
    .replay-controls { grid-template-columns: 1fr 1fr; }
    .replay-controls input[type="range"] { grid-column: 1 / -1; }
    .report-summary { grid-template-columns: 1fr 1fr; }
    .report-summary div:nth-child(2) { border-right: 0; }
}

@media (max-width: 480px) {
    .lab-shell { padding-inline: 10px; }
    .lab-topbar { padding-inline: 10px; }
    .lab-hero h1 { font-size: 39px; }
    .map-stage { padding: 10px; }
    .panel-heading,
    .map-footer { padding-inline: 16px; }
    .primary-actions { grid-template-columns: 1fr; }
    .secondary-actions { grid-template-columns: 1fr; }
    .map-toolbar { padding-inline: 16px; }
    .select-action { grid-template-columns: 1fr; }
    .editor-tools { grid-template-columns: 1fr 1fr; }
    .challenge-panel,
    .comparison-panel,
    .replay-block,
    .report-block { padding: 18px; }
    .report-actions { grid-template-columns: 1fr; }
    .data-grid { grid-template-columns: 1fr; }
    .event-log li { grid-template-columns: 58px minmax(0, 1fr); gap: 10px; }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}

.lab-quickstart {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
    padding: 18px 22px;
    border: 1px solid var(--lab-line);
    border-radius: 14px;
    background: var(--lab-surface);
}
.lab-quickstart > span { color: var(--lab-muted); font-size: 13px; }
.lab-quickstart a { display: inline-flex; min-height: 44px; align-items: center; padding: 8px 14px; color: var(--lab-text); text-decoration: none; border: 1px solid var(--lab-line-strong); border-radius: 8px; }
.lab-quickstart a:hover { border-color: var(--lab-accent); }
.lab-quickstart p { flex-basis: 100%; margin: 0; color: var(--lab-muted); font-size: 12px; }
#robot-studio, #workbench { scroll-margin-top: 24px; }