:root {
  color-scheme:light;
  --bg:#f3eee5;
  --panel:rgba(255,252,247,.84);
  --panel-2:#ebe4d8;
  --panel-3:#f6efe6;
  --line:rgba(36,34,31,.18);
  --line-soft:rgba(36,34,31,.12);
  --text:#24221f;
  --muted:#5f5a53;
  --soft:#4f4b45;
  --accent:#9c452b;
  --accent-2:#8c6b5d;
  --warning:#87551e;
  --danger:#b84a45;
  --radius:0;
  --shadow:0 14px 32px rgba(36,34,31,.06);
  font-family: var(--type-body);
  --line-strong:rgba(36,34,31,.3);
  --type-body:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  --type-heading:Georgia, "Times New Roman", "Songti SC", "STSong", serif;
  --type-mono:"SFMono-Regular", Consolas, "Liberation Mono", "Microsoft YaHei", monospace;
  --size-meta:.75rem;
  --size-small:.8125rem;
  --size-label:.875rem;
  --size-control:.9375rem;
  --size-body:1rem;
  --size-subheading:1.125rem;
  --size-section:1.25rem;
  --size-heading:1.5rem;
  --brand-accent:#a94f31;
  --brand-paper:#f3eee5;
  --brand-ink:#24221f;
  --brand-muted:#5f5a53;
  --brand-pad:clamp(16px,4.5vw,72px);
  font-size:16px;
}
* { box-sizing: border-box; }
html { min-width: 320px; }
body { margin: 0; min-height: 100vh; }
button { font: inherit; }
input { font: inherit; }
select { font: inherit; }
button { color: inherit; }
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
canvas:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button:disabled { opacity: .45; cursor: not-allowed; }
.skip-link { position: fixed; left: 1rem; top: -4rem; z-index: 1000; background: var(--accent); color: #051012; padding: .65rem .9rem; border-radius: 8px; }
.skip-link:focus { top: 1rem; }
.topbar .mode-tabs { margin-left: auto; }
.topbar { grid-template-columns: 1fr auto 1fr; position: static; z-index: 20; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 0; }
.brand strong { display: block; }
.brand small { display: block; }
.brand strong { font-family: var(--type-heading); font-weight: 400; letter-spacing: -.02em; font-size: var(--size-subheading); line-height: 1.15; }
.brand small { color: var(--muted); font-size: var(--size-meta); margin-top: 2px; letter-spacing: .05em; }
.brand-mark { width: 48px; height: 48px; position: relative; display: inline-block; border: 1px solid var(--line-strong); }
.brand-mark i { position: absolute; width: 9px; height: 9px; border-radius: 50%; background: var(--accent-2); }
.brand-mark i:nth-child(1) { left: 10px; top: 12px; }
.brand-mark i:nth-child(2) { left: 26px; top: 18px; background: var(--accent); }
.brand-mark i:nth-child(3) { left: 13px; top: 30px; width: 11px; height: 7px; }
.mode-tabs { display: flex; align-items: center; padding: 4px; border: 1px solid var(--line); }
.mode-tab { border: 0; border-radius: 8px; background: transparent; padding: 7px 16px; color: var(--muted); cursor: pointer; font-size: var(--size-meta); }
.mode-tab span { opacity: .76; margin-left: 4px; }
.top-actions { justify-self: end; display: flex; gap: 8px; }
.text-button { border: 0; background: transparent; color: var(--muted); cursor: pointer; padding: 8px 10px; font-size: var(--size-control); }
.text-button:hover { color: var(--text); }
.app-shell { display: grid; grid-template-columns: 300px minmax(560px, 1fr) 300px; max-width: 1700px; margin: 0 auto; min-height: calc(100vh - 72px); }
.control-panel { padding: 24px; }
.insight-panel { padding: 24px; }
.control-panel { border-right: 1px solid var(--line); }
.insight-panel { border-left: 1px solid var(--line); }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-weight: 700; color: var(--accent); font-size: var(--size-meta); }
h1 { font-size: var(--size-heading); line-height: 1.18; margin: 10px 0 10px; letter-spacing: -.03em; }
.lede { color: var(--muted); line-height: 1.6; margin: 0 0 24px; font-size: var(--size-small); }
.panel-section { border-top: 1px solid var(--line-soft); padding: 20px 0; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 12px; }
.section-heading.compact { margin-bottom: 8px; }
.section-heading h2 { font-size: var(--size-meta); letter-spacing: .04em; margin: 0; }
.step-badge { display: inline-grid; place-items: center; width: 20px; height: 20px; border: 1px solid var(--line); border-radius: 50%; color: var(--muted); font-size: var(--size-meta); }
.preset-grid { display: grid; gap: 8px; }
.preset-card { text-align: left; padding: 12px; border: 1px solid var(--line); cursor: pointer; transition: .18s ease; }
.preset-card:hover { transform: translateY(-1px); }
.preset-card[aria-checked="true"] { box-shadow: inset 3px 0 0 var(--accent); }
.preset-card strong { display: flex; align-items: center; justify-content: space-between; font-size: var(--size-small); }
.preset-card strong::after { content: ''; width: 8px; height: 8px; border-radius: 50%; background: #53646a; }
.preset-card[aria-checked="true"] strong::after { background: var(--accent); box-shadow: 0 0 0 4px rgba(130,215,203,.12); }
.preset-card span { display: block; color: var(--muted); margin-top: 4px; font-size: var(--size-small); line-height: 1.4; }
.semantic-controls { display: grid; gap: 15px; }
fieldset { border: 0; margin: 0; padding: 0; }
legend { font-size: var(--size-small); color: var(--soft); margin-bottom: 7px; display: block; }
.range-row > span { font-size: var(--size-small); color: var(--soft); margin-bottom: 7px; }
.segmented { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); overflow: hidden; }
.segmented button { border: 0; border-right: 1px solid var(--line); background: #0a1b21; padding: 8px 4px; color: var(--muted); cursor: pointer; font-size: var(--size-control); }
.segmented button:last-child { border-right: 0; }
.range-row { display: block; }
.range-row > span { display: flex; justify-content: space-between; }
input[type="range"] { width: 100%; accent-color: var(--accent); }
.lab-grid { display: grid; gap: 9px; }
.lab-grid label { display: grid; grid-template-columns: 1fr 112px; align-items: center; gap: 8px; color: var(--muted); font-size: var(--size-small); }
.lab-grid input { width: 100%; border: 1px solid var(--line); padding: 7px 8px; }
.inline-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 12px; }
.secondary-button { border: 1px solid var(--line); padding: 8px; cursor: pointer; font-size: var(--size-control); }
.start-zone { margin-top: 20px; }
.primary-button { width: 100%; border: 0; font-weight: 800; padding: 12px 14px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; }
kbd { border: 1px solid rgba(255,255,255,.18); border-bottom-width: 2px; border-radius: 5px; padding: 2px 5px; font-size: var(--size-small); font-family: inherit; }
.primary-button kbd { border-color: rgba(0,0,0,.16); }
.start-zone p { color: var(--muted); font-size: var(--size-meta); line-height: 1.45; margin: 9px 2px 0; }
.stage-panel { padding: 20px; min-width: 0; }
.stage-toolbar { min-height: 38px; display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; font-size: var(--size-small); color: var(--muted); }
.live-status { display: flex; align-items: center; gap: 8px; color: var(--soft); }
.status-dot { width: 7px; height: 7px; background: #6e8085; border-radius: 50%; box-shadow: 0 0 0 4px rgba(110,128,133,.12); }
.status-dot.is-running { background: var(--accent); box-shadow: 0 0 0 4px rgba(130,215,203,.12); animation: pulse 1.5s infinite; }
.status-dot.is-paused { background: var(--warning); box-shadow: 0 0 0 4px rgba(231,199,125,.12); }
@keyframes pulse { 50% { opacity: .45; } }
.stage-meta { display: flex; gap: 10px; font-family: var(--type-mono); font-size: var(--size-small); }
.canvas-wrap { position: relative; overflow: hidden; border: 1px solid #31464d; aspect-ratio: 16 / 9; }
.canvas-wrap::after { content: ''; position: absolute; inset: 0; pointer-events: none; background: repeating-linear-gradient(0deg, rgba(255,255,255,.018) 0, rgba(255,255,255,.018) 1px, transparent 1px, transparent 4px); mix-blend-mode: soft-light; }
canvas { display: block; width: 100%; height: 100%; }
.canvas-label { position: absolute; font-size: var(--size-small); letter-spacing: .08em; text-transform: uppercase; pointer-events: none; }
.label-left { left: 4%; top: 5%; }
.label-wall { left: 56.4%; top: 5%; }
.label-source { right: 4%; top: 5%; }
.hover-tip { position: absolute; z-index: 4; max-width: 240px; border: 1px solid #36535b; padding: 9px 10px; font-size: var(--size-meta); line-height: 1.5; pointer-events: none; }
.replay-badge { position: absolute; top: 12px; left: 50%; transform: translateX(-50%); z-index: 5; border: 1px solid var(--warning); color: var(--warning); border-radius: 99px; padding: 5px 10px; font-size: var(--size-meta); }
.transport { display: grid; grid-template-columns: 34px 42px 34px auto auto minmax(70px,1fr); align-items: center; gap: 7px; min-height: 54px; border-bottom: 1px solid var(--line-soft); }
.icon-button { border: 1px solid var(--line); cursor: pointer; }
.transport-main { border: 1px solid var(--line); cursor: pointer; }
.icon-button { width: 32px; height: 30px; }
.transport-main { width: 40px; height: 34px; }
.speed-control { font-size: var(--size-meta); color: var(--muted); white-space: nowrap; }
.speed-control select { margin-left: 5px; background: transparent; border: 0; color: var(--text); }
.time-readout { display: flex; gap: 4px; justify-self: end; font-family: var(--type-mono); color: var(--muted); font-size: var(--size-meta); }
.progress-track { height: 3px; border-radius: 4px; overflow: hidden; }
.progress-track span { display: block; height: 100%; width: 0%; background: var(--accent); transition: width .1s linear; }
.perturb-panel { display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: center; padding: 16px 0; border-bottom: 1px solid var(--line-soft); }
.perturb-panel p { margin: 0; color: var(--muted); font-size: var(--size-meta); }
.perturb-actions { display: flex; gap: 7px; }
.perturb-actions button { min-width: 92px; border: 1px solid var(--line); padding: 9px 10px; cursor: pointer; display: flex; gap: 7px; align-items: center; font-size: var(--size-control); }
.perturb-actions button:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.button-symbol { font-size: var(--size-control); }
.timeline-panel { padding: 14px 0 0; }
.timeline-note { color: var(--muted); font-size: var(--size-small); }
.timeline { display: flex; gap: 7px; overflow-x: auto; min-height: 42px; padding-bottom: 6px; }
.timeline-event { border: 1px solid var(--line); min-width: 124px; text-align: left; padding: 7px 9px; cursor: pointer; }
.timeline-event:hover { border-color: var(--warning); }
.timeline-event time { display: block; color: var(--warning); font-family: var(--type-mono); font-size: var(--size-small); }
.timeline-event span { display: block; color: var(--soft); margin-top: 3px; font-size: var(--size-meta); }
.empty-state { color: var(--muted); font-size: var(--size-meta); margin: 10px 0; }
.insight-panel { display: flex; flex-direction: column; gap: 20px; }
.observation-card { padding: 16px; border: 1px solid var(--line); }
.observation-card > p { line-height: 1.55; font-size: var(--size-small); margin: 10px 0 14px; }
.observation-detail { border-top: 1px solid var(--line); padding-top: 10px; display: flex; justify-content: space-between; gap: 10px; font-size: var(--size-meta); }
.observation-detail span { color: var(--muted); }
.observation-detail strong { color: var(--warning); }
.metric-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.metric-grid article { border: 1px solid var(--line-soft); padding: 11px; min-width: 0; }
.metric-grid span { display: block; color: var(--muted); font-size: var(--size-small); }
.metric-grid small { display: block; color: var(--muted); font-size: var(--size-small); }
.metric-grid strong { display: block; margin: 6px 0 2px; font-size: var(--size-body); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.metric-grid article:last-child strong { font-size: var(--size-meta); line-height: 1.35; white-space: normal; }
.result-card { border: 1px solid rgba(130,215,203,.42); padding: 15px; }
.result-topline { display: flex; justify-content: space-between; color: var(--accent); font-size: var(--size-small); text-transform: uppercase; letter-spacing: .1em; }
.result-card h2 { font-size: var(--size-body); line-height: 1.3; margin: 10px 0; }
.result-card > p { color: var(--soft); font-size: var(--size-small); line-height: 1.65; }
.recommend-card { margin-top: 13px; padding: 11px; }
.recommend-card strong { font-size: var(--size-meta); color: var(--warning); }
.recommend-card p { color: var(--muted); font-size: var(--size-meta); line-height: 1.5; margin: 5px 0 0; }
.data-actions { margin-top: auto; }
.action-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.action-grid button { border: 1px solid var(--line); padding: 8px 6px; font-size: var(--size-control); cursor: pointer; }
.action-grid button:hover { border-color: var(--accent); color: var(--accent); }
.privacy-note { font-size: var(--size-small); color: var(--muted); line-height: 1.5; }
.footer { max-width: 1700px; margin: 0 auto; border-top: 1px solid var(--line); padding: 14px 24px; display: flex; justify-content: space-between; gap: 18px; color: var(--muted); font-size: var(--size-meta); }
.footer p { margin: 0; }
.dialog-card { max-width: 820px; width: calc(100% - 32px); border: 1px solid #37505a; padding: 26px; }
.dialog-card::backdrop { backdrop-filter: blur(6px); }
.dialog-close { position: absolute; right: 14px; top: 12px; width: 32px; height: 32px; border: 1px solid var(--line); background: transparent; border-radius: 50%; color: var(--muted); cursor: pointer; }
.dialog-card h2 { margin: 8px 0 18px; }
.dialog-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.dialog-columns section { border: 1px solid var(--line); padding: 14px; }
.dialog-columns h3 { font-size: var(--size-meta); margin: 0 0 7px; color: var(--accent); }
.dialog-columns p { color: var(--muted); font-size: var(--size-small); line-height: 1.65; margin: 0; }
.dialog-note { color: var(--muted); font-size: var(--size-small); line-height: 1.65; margin: 0; }
.dialog-note { margin-top: 15px; padding: 12px; border-left: 3px solid var(--warning); }
.map-dialog { max-width: 680px; }
.map-dialog > p { color: var(--muted); font-size: var(--size-small); }
.map-legend { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.map-legend span { display: inline-flex; align-items: center; gap: 5px; color: var(--muted); font-size: var(--size-meta); }
.map-legend i { width: 9px; height: 9px; border-radius: 2px; }
.invasion-map { display: grid; gap: 5px; aspect-ratio: 1.25; }
.map-cell { border: 1px solid rgba(255,255,255,.08); border-radius: 6px; cursor: pointer; min-width: 0; position: relative; }
.map-cell:hover { outline: 2px solid white; z-index: 2; }
.map-cell span { position: absolute; inset: auto 3px 3px; font-size: var(--size-meta); color: rgba(255,255,255,.85); text-shadow: 0 1px 2px #000; overflow: hidden; white-space: nowrap; }
[data-phase="jammed"] { background: #695d61; }
[data-phase="collective-advance"] { background: #367f7a; }
[data-phase="tumor-budding"] { background: #875f7f; }
[data-phase="single-cell-escape"] { background: #9b6b58; }
[data-phase="fingering"] { background: #6b748d; }
.keyboard-dialog { max-width: 420px; }
.keyboard-dialog dl { margin: 0; }
.keyboard-dialog dl div { display: grid; grid-template-columns: 80px 1fr; border-top: 1px solid var(--line); padding: 10px 0; }
.keyboard-dialog dt { margin: 0; font-size: var(--size-small); }
.keyboard-dialog dd { margin: 0; font-size: var(--size-small); }
.keyboard-dialog dd { color: var(--muted); }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); background: #e4f2ef; color: #071417; border-radius: 9px; padding: 10px 14px; font-size: var(--size-small); font-weight: 700; opacity: 0; pointer-events: none; transition: .2s ease; z-index: 100; }
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }
@media (max-width: 1260px) {
  .app-shell { grid-template-columns: 270px minmax(520px, 1fr); }
  .insight-panel { grid-column: 1 / -1; border-left: 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(3, 1fr); }
  .data-actions { margin-top: 0; }
}
@media (max-width: 900px) {
  .topbar { grid-template-columns: 1fr auto; padding: 0 14px; }
  .mode-tabs { position: fixed; bottom: 12px; left: 50%; transform: translateX(-50%); z-index: 30; box-shadow: 0 10px 40px rgba(0,0,0,.5); }
  .top-actions { display: none; }
  .app-shell { display: block; }
  .control-panel { border: 0; border-bottom: 1px solid var(--line); }
  .insight-panel { border: 0; border-bottom: 1px solid var(--line); }
  .preset-grid { grid-template-columns: 1fr 1fr; }
  .stage-panel { padding: 14px; }
  .insight-panel { display: grid; grid-template-columns: 1fr 1fr; }
  .data-actions { grid-column: 1 / -1; }
}
@media (max-width: 620px) {
  .topbar { height: 62px; }
  .brand-mark { width: 40px; height: 40px; }
  .brand small { display: none; }
  .stage-panel { padding: 10px; }
  .control-panel { padding: 18px 14px; }
  .insight-panel { padding: 18px 14px; }
  .preset-grid { grid-template-columns: 1fr; }
  .perturb-panel { grid-template-columns: 1fr; }
  .perturb-actions { display: grid; grid-template-columns: repeat(3, 1fr); }
  .perturb-actions button { min-width: 0; display: grid; justify-items: center; padding: 8px 4px; font-size: var(--size-control); }
  .transport { grid-template-columns: 30px 38px 30px 1fr auto; }
  .progress-track { grid-column: 1 / -1; }
  .insight-panel { display: block; }
  .insight-panel > * + * { margin-top: 18px; }
  .dialog-columns { grid-template-columns: 1fr; }
  .footer { padding-bottom: 82px; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
  *::before { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
  *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
}

/* scenario, reproducibility, deformable-cell, and multi-seed map additions */
.scenario-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.scenario-card { min-width: 0; text-align: left; padding: 10px; border: 1px solid var(--line); cursor: pointer; transition: .18s ease; }
.scenario-card:hover { transform: translateY(-1px); }
.scenario-card[aria-checked="true"] { box-shadow: inset 3px 0 0 var(--warning); }
.scenario-card strong { display: block; color: var(--text); }
.scenario-card span { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; color: var(--muted); margin-top: 4px; font-size: var(--size-small); line-height: 1.45; }
.hash-card { display: grid; grid-template-columns: auto minmax(0,1fr); gap: 5px 8px; margin-top: 12px; padding: 9px; border: 1px solid var(--line-soft); font-size: var(--size-small); }
.hash-card span { color: var(--muted); }
.result-meta span { color: var(--muted); }
.hash-card code { color: var(--accent); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.result-meta code { color: var(--accent); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.result-meta { display: grid; grid-template-columns: auto minmax(0,1fr); gap: 5px 8px; margin: 12px 0; padding-top: 10px; border-top: 1px solid var(--line); font-size: var(--size-small); }
.map-progress { min-height: 20px; color: var(--warning); line-height: 1.5; }
.map-cell small { position: absolute; top: 3px; right: 4px; font-size: var(--size-meta); color: rgba(255,255,255,.8); text-shadow: 0 1px 2px #000; }
[data-phase="unjamming"] { background: #3d8b76; }
[data-phase="stable-cluster"] { background: #596875; }
[data-phase="leader-guided"] { background: #7c7a44; }
[data-phase="split-migration"] { background: #6e668e; }
[data-phase="leader-failure"] { background: #76535a; }
[data-phase="collective-flow"] { background: #3d7186; }
@media (max-width: 620px) {
  .scenario-grid { grid-template-columns: 1fr; }
  .stage-meta { gap: 5px; flex-wrap: wrap; justify-content: flex-end; }
}

/* calibrated-model additions */
.calibration-note { margin: 0; padding: 8px 9px; border: 1px solid var(--line-soft); color: var(--muted); font-size: var(--size-small); line-height: 1.5; }

/* v4 multiscale ECM, explanation, and paired-comparison additions */
.factor-list { display: grid; gap: 7px; margin: 12px 0 0; padding: 0; list-style: none; }
.factor-list li { display: grid; grid-template-columns: minmax(90px, auto) 1fr; gap: 4px 9px; align-items: center; }
.factor-list span { color: var(--text); }
.factor-list i { position: relative; height: 5px; border-radius: 99px; overflow: hidden; }
.factor-list i::after { content: ''; position: absolute; inset: 0 auto 0 0; width: var(--factor-score, 0%); border-radius: inherit; }
.factor-list small { grid-column: 1 / -1; color: var(--muted); font-size: var(--size-small); }
.comparison-builder { display: grid; gap: 8px; margin-top: 12px; padding: 10px; border: 1px solid var(--line-soft); border-radius: 10px; }
.comparison-builder label { display: grid; gap: 6px; color: var(--muted); }
.comparison-builder select { width: 100%; border: 1px solid var(--line); border-radius: 7px; padding: 8px; }
.comparison-builder p { margin: 0; color: var(--muted); font-size: var(--size-small); line-height: 1.5; }
.comparison-dialog { max-width: 720px; }
.comparison-summary article { padding: 12px; border: 1px solid var(--line); }
.comparison-summary strong { display: block; font-size: var(--size-label); }
.comparison-summary p { margin: 6px 0 0; color: var(--muted); line-height: 1.5; }
.comparison-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin-top: 12px; }
.comparison-metrics article { display: grid; gap: 5px; min-width: 0; padding: 11px; border: 1px solid var(--line-soft); }
.comparison-metrics span { color: var(--muted); font-size: var(--size-small); }
.comparison-metrics strong { color: var(--text); font-size: var(--size-small); }
.comparison-metrics small { color: var(--muted); line-height: 1.45; }
@media (max-width: 620px) { .comparison-metrics { grid-template-columns: 1fr; } }
html{background:var(--bg);color:var(--text)}
body{color:var(--text)}
h1{font-family:var(--type-heading);font-weight:400}
h2{font-family:var(--type-heading);font-weight:400}
h3{font-family:var(--type-heading);font-weight:400}

.mode-tabs{border-radius:0}
.segmented{border-radius:0}
.stage-panel{background:transparent}
.primary-button{background:var(--accent);border-radius:0;box-shadow:none}
.secondary-button{border-radius:0}
.icon-button{border-radius:0}
.transport-main{border-radius:0}
.perturb-actions button{border-radius:0}
.action-grid button{border-radius:0}
.lab-grid input{border-radius:0}
.canvas-wrap{border-radius:0}
.hover-tip{border-radius:0}
.dialog-card{border-radius:0}
.timeline-event{border-radius:0}
@media(max-width:980px){.app-shell{grid-template-columns:1fr}.control-panel{border:0}.insight-panel{border:0}.stage-panel{order:-1}}
.primary-button{color:#fff}
.scenario-card strong{font-size:var(--size-small)}
.factor-list span{font-size:var(--size-small)}
.comparison-builder label{font-size:var(--size-small)}
.comparison-summary p{font-size:var(--size-small)}
.comparison-metrics small{font-size:var(--size-small)}
.map-progress{font-size:var(--size-small)}
.brand-mark{border-radius:0;background:url("./assets/project-mark.svg") center/100% 100% no-repeat}
.brand-mark i{display:none}

/* Remove the last green casts from controls and cards; retain a neutral scientific canvas. */
body{background:radial-gradient(circle at 50% -20%,rgba(169,79,49,.1) 0,var(--bg) 38rem)}
.topbar{border-color:var(--line)}
.mode-tabs{background:#ebe4d8;border-color:var(--line)}
.segmented{background:#ebe4d8;border-color:var(--line)}
.mode-tab.is-active{background:var(--text);color:var(--bg);box-shadow:none}
.segmented button.is-active{background:var(--text);color:var(--bg);box-shadow:none}
.control-panel{background:rgba(235,228,216,.72);border-color:var(--line)}
.insight-panel{background:rgba(235,228,216,.72);border-color:var(--line)}
.preset-card{background:rgba(255,252,247,.76);border-color:var(--line);border-radius:0;box-shadow:none}
.scenario-card{background:rgba(255,252,247,.76);border-color:var(--line);border-radius:0;box-shadow:none}
.observation-card{border-color:var(--line);border-radius:0;box-shadow:none}
.metric-grid article{background:rgba(255,252,247,.76);border-color:var(--line);border-radius:0;box-shadow:none}
.result-card{background:rgba(255,252,247,.76);border-color:var(--line);border-radius:0;box-shadow:none}
.dialog-columns section{background:rgba(255,252,247,.76);border-color:var(--line);border-radius:0;box-shadow:none}
.calibration-note{background:rgba(255,252,247,.76);border-color:var(--line);border-radius:0;box-shadow:none}
.hash-card{background:rgba(255,252,247,.76);border-color:var(--line);border-radius:0;box-shadow:none}
.recommend-card{border-color:var(--line);border-radius:0;box-shadow:none}
.comparison-summary article{background:rgba(255,252,247,.76);border-color:var(--line);border-radius:0;box-shadow:none}
.comparison-metrics article{border-color:var(--line);border-radius:0;box-shadow:none}
.preset-card[aria-checked="true"]{background:#f0ded4;border-color:var(--accent)}
.scenario-card[aria-checked="true"]{background:#f0ded4;border-color:var(--accent)}
.preset-card:hover{border-color:rgba(169,79,49,.5)}
.scenario-card:hover{border-color:rgba(169,79,49,.5)}
.lab-grid input{background:rgba(255,255,255,.46);border-color:var(--line-strong);color:var(--text)}
.comparison-builder select{background:rgba(255,255,255,.46);border-color:var(--line-strong);color:var(--text)}
.secondary-button{background:transparent;border-color:var(--line-strong);color:var(--text)}
.icon-button{background:transparent;border-color:var(--line-strong);color:var(--text)}
.transport-main{background:transparent;border-color:var(--line-strong);color:var(--text)}
.perturb-actions button{background:transparent;border-color:var(--line-strong);color:var(--text)}
.action-grid button{background:transparent;border-color:var(--line-strong);color:var(--text)}
.canvas-wrap{background:#272522;border-color:#4a4540;box-shadow:none}
.canvas-label{color:rgba(243,238,229,.68)}
.label-source{color:rgba(169,79,49,.82)}
.hover-tip{background:rgba(45,42,39,.96);border-color:#6d655c;color:#f3eee5;box-shadow:0 10px 28px rgba(36,34,31,.25)}
.replay-badge{background:rgba(45,42,39,.92)}
.progress-track{background:#d4cec5}
.timeline-event{background:rgba(255,252,247,.72);border-color:var(--line)}
.observation-card{background:rgba(255,252,247,.82)}
.recommend-card{background:#f6e9d4}
.dialog-card{background:#fbf8f2;color:var(--text);border-color:var(--line-strong);box-shadow:none}
.dialog-card::backdrop{background:rgba(36,34,31,.48)}
.dialog-note{background:#f0e8de}
.factor-list i{background:rgba(36,34,31,.12)}
.factor-list i::after{background:linear-gradient(90deg,rgba(142,107,128,.65),rgba(165,107,43,.86))}
.comparison-builder{background:rgba(255,252,247,.76);border-color:var(--line)}
.comparison-metrics article{background:rgba(255,252,247,.76)}
/* 全项目共用字体层级；页眉另按 Tools、普通项目与个人主页分组。 */
body{font-family:var(--type-body);font-size:var(--size-body);line-height:1.6}

/* 普通项目品牌页眉：中文衬线标题＋英文副标题＋方章。 */
.topbar{background:rgba(243,238,229,.94);border-bottom:1px solid rgba(36,34,31,.18);box-sizing:border-box}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;height:auto;max-width:none;width:100%;margin-inline:0;padding:11px max(16px,calc((100% - 1280px)/2 + 16px))}
.topbar .brand{display:flex;align-items:center;gap:12px;min-width:0;flex:0 1 auto;text-align:left;padding:0;margin:0;background:transparent;border:0}
.topbar .brand strong{display:block;font-family:var(--type-heading);font-size:18px;font-weight:400;line-height:1.3;letter-spacing:-.02em;color:var(--brand-ink);margin:0;white-space:normal}
.topbar .brand small{display:block;font-family:var(--type-body);font-size:12px;font-weight:400;line-height:1.4;letter-spacing:.05em;color:var(--brand-muted);margin:2px 0 0}
.topbar .brand-mark{display:block;flex:0 0 48px;width:48px;height:48px;border:0;border-radius:0}
.topbar :is(a,button):not(.brand):not(.brand-v9){font-family:var(--type-body);font-size:15px;line-height:1.5}
@media(max-width:640px){.topbar{min-height:64px;gap:12px;padding:11px 16px;flex-wrap:wrap}.topbar .brand strong{font-size:16px}.topbar .brand-mark{width:40px;height:40px;flex-basis:40px}.topbar :is(a,button):not(.brand):not(.brand-v9){font-size:14px}}

.topbar > :last-child{margin-left:0}

/* 工作台各列独立阅读；品牌页眉仍随文档滚走。 */
@media(min-width:1261px){
  .app-shell{align-items:start}
  .control-panel,.insight-panel{position:sticky;top:16px;max-height:calc(100dvh - 32px);overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--line) transparent;overscroll-behavior-y:contain}
  .stage-panel{position:sticky;top:16px;max-height:calc(100dvh - 104px);overflow-y:auto;scrollbar-width:thin}
  .canvas-wrap{width:min(100%,calc((100dvh - 320px)*16/9));margin-inline:auto}
}
@media(max-width:900px){.mode-tabs{width:max-content;max-width:calc(100% - 24px);margin-left:0}.mode-tab{white-space:nowrap;padding-inline:12px}}