@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');
:root{color-scheme:light;--bg:#edf7ef;--panel:#f8fcf8;--line:#cfe3d3;--muted:#718879;--text:#294132;--mint:#69a77d}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 'Plus Jakarta Sans','Noto Sans SC',sans-serif}button,select{font:inherit}button,select,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:var(--text);border:0;background:transparent}button:focus-visible,select:focus-visible,a:focus-visible{outline:2px solid var(--mint);outline-offset:5px}button:hover{background:#ffffff0b}button:disabled{cursor:default;opacity:.55}.workspace{max-width:1440px;padding:0 64px;margin:auto}.header{display:flex;align-items:center;justify-content:space-between;height:92px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text);font-size:23px;font-weight:800;letter-spacing:-1px}.brand-mark{color:var(--mint);font-size:36px;line-height:1}.brand-separator{height:19px;width:1px;background:#526366;margin:0 4px}.brand-caption{font-size:14px;font-weight:400;letter-spacing:2px;color:var(--muted)}.demo-badge{font-size:13px;border:1px solid #9fe5ce30;border-radius:6px;padding:5px 10px;color:var(--mint)}.demo-badge span{margin-left:9px;font-size:11px;letter-spacing:1px;opacity:.65}.intro{display:flex;justify-content:space-between;align-items:center;padding:32px 0 28px}.eyebrow{font-size:11px;letter-spacing:2.8px;color:var(--mint);margin:0 0 6px}h1{font-weight:500;letter-spacing:1px;font-size:34px;line-height:1.5;margin:0}h1 span{color:var(--mint)}.subtitle{margin:6px 0 0;color:var(--muted);font-size:14px}.tank-spec{display:flex;flex-direction:column;text-align:right;gap:3px}.tank-spec>span{font-size:12px;color:var(--muted)}.tank-spec strong{font-size:22px;letter-spacing:1px;font-weight:500}.tank-spec i{font-style:normal;color:#6e8586;font-size:16px}.tank-spec small{font-size:13px;color:var(--muted);font-weight:400}.aquarium-shell{border:1px solid #ffffff17;border-radius:14px;overflow:hidden;background:var(--panel);box-shadow:0 20px 70px #0002}.aquarium{height:430px;position:relative;overflow:hidden;background:radial-gradient(ellipse at 50% 0,#226763,#112f32 55%,#091b22)}.tank-background{position:absolute;inset:0;background:url('assets/aquarium.png') center 58%/cover;opacity:.85;transition:filter 1.4s}.aquarium.night .tank-background{filter:brightness(.42) saturate(.6) hue-rotate(20deg)}.water-light{position:absolute;inset:0;background:linear-gradient(180deg,#10272422,transparent 50%,#07161955);pointer-events:none}canvas{display:block;width:100%;height:100%;position:relative}.tank-top,.tank-bottom{position:absolute;left:24px;right:24px;display:flex;justify-content:space-between;pointer-events:none}.tank-top{top:20px;align-items:center;font-size:12px;color:#d0e5e2}.live-label{display:flex;align-items:center;gap:8px;background:#10242188;border:1px solid #ffffff18;padding:6px 11px;border-radius:5px;backdrop-filter:blur(10px)}.pulse-dot{width:6px;height:6px;border-radius:50%;background:var(--mint);box-shadow:0 0 10px #a1ebcf77}#clock{letter-spacing:2px;font-variant-numeric:tabular-nums}.tank-bottom{bottom:17px;font-size:12px;color:#d2e3dbb3}.environment{position:absolute;right:24px;top:78px;border:1px solid #d6eee81a;background:#0b202366;backdrop-filter:blur(12px);border-radius:8px;display:flex;padding:10px 16px;gap:20px;pointer-events:none}.environment>div{display:flex;flex-direction:column}.environment>div+div{border-left:1px solid #ffffff19;padding-left:20px}.environment span{font-size:11px;color:#bad1cd}.environment strong{font-size:19px;font-weight:500}.environment small{font-size:11px;font-weight:400;color:#bad1cd}.controls{padding:13px 20px;display:flex;justify-content:space-between;gap:12px}.controls-main,.controls-secondary{display:flex;align-items:center;gap:13px}.controls button{font-size:14px;border-radius:6px;padding:7px 12px}.controls .icon-button{font-size:20px;line-height:24px;padding:4px 10px;min-width:40px;color:var(--mint)}.control-divider{height:20px;width:1px;background:#ffffff19}.controls .feed-button{background:var(--mint);color:#14362f;font-weight:600;padding:7px 17px}.feed-button span{margin-right:7px}.controls #light,.controls #reset{color:#a5b9b8}.controls-secondary label{font-size:12px;color:var(--muted)}select{border:1px solid #ffffff16;border-radius:5px;background:#18282b;padding:5px 9px;color:#d4e4df;font-size:13px}.section-heading{display:flex;align-items:center;justify-content:space-between;margin:27px 0 17px}h2{font-size:20px;font-weight:500;margin:0}h2 span{font-size:12px;vertical-align:middle;color:#90a3a0;background:#1a292b;border-radius:4px;padding:2px 6px;margin-left:7px}.section-heading p{margin:4px 0 0;font-size:13px;color:var(--muted)}.data-note{font-size:12px;color:#728986}.fish-cards{display:grid;grid-template-columns:repeat(5,1fr);gap:13px}.fish-card{text-align:left;border:1px solid #ffffff12;border-radius:10px;background:#121e21;padding:15px;position:relative;transition:border-color .2s,background .2s,transform .2s;min-width:0}.fish-card:hover{transform:translateY(-3px);background:#19282b}.fish-card.selected{border-color:var(--fish-color);background:#1a2b2d}.card-top{display:flex;align-items:center;justify-content:space-between;gap:4px}.fish-name{font-size:15px;font-weight:500;white-space:nowrap}.fish-id{font-size:11px;color:#7c9491;letter-spacing:1px}.identity-dot{display:inline-block;width:6px;height:6px;background:var(--fish-color);border-radius:50%;margin-right:7px}.fish-portrait{height:61px;display:flex;align-items:center;justify-content:center;margin:8px 0 1px;background:radial-gradient(ellipse,#ffffff08,transparent 65%)}.fish-portrait img{height:67px;width:83px;object-fit:contain;filter:var(--fish-filter)}.status-line{display:flex;align-items:center;gap:6px;margin-top:7px}.status-pill{color:var(--fish-color);font-size:13px;padding:1px 7px;background:color-mix(in srgb,var(--fish-color) 10%,transparent);border-radius:4px}.sim-label{font-size:10px;color:#7f9592}.fish-description{color:#96aaa7;font-size:12px;margin:8px 0 12px;min-height:19px}.metrics{display:flex;justify-content:space-between;border-top:1px solid #ffffff0a;padding-top:9px;gap:8px}.metrics span{color:#788f8d;font-size:11px}.metrics strong{display:block;font-size:14px;color:#cfddd8;font-weight:500;font-variant-numeric:tabular-nums}.metrics small{font-size:10px;color:#819893;font-weight:400}.toast{position:absolute;left:50%;bottom:45px;transform:translateX(-50%);font-size:13px;white-space:nowrap;background:#102721db;border:1px solid #a1ebcf44;border-radius:7px;padding:9px 16px;opacity:0;transition:opacity .2s;pointer-events:none}.toast.show{opacity:1}footer{padding:22px 0 28px;display:flex;gap:24px;justify-content:space-between;align-items:center;color:#6c8583}footer p{font-size:11px;margin:0;max-width:800px}footer p span{color:#a7c1b8;margin-right:5px}footer>span{font-size:9px;letter-spacing:1.5px;white-space:nowrap}@media(min-width:1600px){.aquarium{height:490px}.workspace{max-width:1500px}}@media(max-width:1050px){.workspace{padding:0 28px}.fish-cards{gap:8px}.fish-card{padding:11px}.fish-name{font-size:14px}.fish-id{font-size:10px}.aquarium{height:390px}footer>span{display:none}}@media(max-width:760px){.workspace{padding:0 18px}.header{height:74px}.brand{font-size:21px}.brand-caption,.brand-separator{display:none}.intro{padding:25px 0 22px;gap:15px}h1{font-size:25px}.eyebrow{font-size:9px;letter-spacing:1.8px}.subtitle{font-size:12px}.tank-spec strong{font-size:15px}.tank-spec>span{font-size:10px}.tank-spec>span:first-child{display:none}.aquarium{height:350px}.environment{right:15px;top:65px;padding:7px 10px;gap:10px}.environment>div+div{padding-left:10px}.environment strong{font-size:16px}.tank-top,.tank-bottom{left:15px;right:15px}.controls{padding:10px;flex-wrap:wrap}.controls-main,.controls-secondary{gap:5px}.controls-secondary{margin-left:auto}.controls-secondary label{display:none}.controls #reset span{display:none}.controls button{padding:6px 9px}.fish-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.fish-card{padding:15px}.fish-card:last-child{grid-column:1/-1}.fish-card:last-child .fish-portrait{position:absolute;right:24px;top:10px}.fish-card:last-child .metrics{justify-content:flex-start;gap:45px}.data-note{font-size:11px}footer{padding-top:18px}.section-heading{margin-top:23px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* 3D aquarium workspace */
.aquarium{height:540px;background:radial-gradient(ellipse at 50% 45%,#c9e4cf,#eaf6ec 75%)}#tank{touch-action:none;cursor:grab}#tank:active{cursor:grabbing}.environment{top:67px}.controls{flex-wrap:wrap}.controls-main,.controls-secondary{flex-wrap:wrap}.controls-secondary{justify-content:flex-end}.fish-portrait img{width:96px;height:74px;object-fit:contain}.fish-portrait{height:76px}.intro{padding:25px 0 24px}.tank-top,.tank-bottom{z-index:2}.tank-bottom{font-size:12px}.aquarium-error{position:absolute;inset:0;display:grid;place-content:center;padding:40px;text-align:center;background:#dcefe0;z-index:4}.fish-description{min-height:38px}@media(max-width:760px){.aquarium{height:430px}.intro{align-items:flex-start;flex-direction:column;gap:9px}.tank-spec{flex-direction:row;align-items:center;gap:12px;text-align:left}.tank-bottom{flex-direction:column;gap:3px}.environment{padding:5px 9px;right:12px}.controls-secondary{margin-left:0;justify-content:flex-start}.controls{gap:4px}.controls button{font-size:13px}.controls-secondary label{display:none}.fish-description{min-height:38px}}
/* Embedded ten-day timeline: the parent owns time and data provenance. */
body.timeline-embed{overflow:hidden;background:#eaf6ec}
body.timeline-embed .workspace{max-width:none;padding:0;margin:0}
body.timeline-embed .header,body.timeline-embed .intro,body.timeline-embed .controls,body.timeline-embed .state-context,body.timeline-embed .residents,body.timeline-embed .replay,body.timeline-embed footer,body.timeline-embed .tank-top,body.timeline-embed .environment,body.timeline-embed .tank-bottom{display:none}
body.timeline-embed .aquarium-shell{border:0;border-radius:0;box-shadow:none;margin:0}
body.timeline-embed .aquarium{height:100dvh;min-height:0;border-radius:0}
body.timeline-embed #tank{width:100%;height:100%;display:block}
.fish-label{position:absolute;transform:translate(-50%,-50%);font-size:11px;padding:1px 5px;border-radius:4px;background:#12251c88;pointer-events:none;white-space:nowrap;text-shadow:0 1px 3px #000;opacity:.75}.fish-label.selected{opacity:1;border:1px solid #b8e6b76b;background:#10261de0}.fish-label[hidden]{display:none}#orbit[aria-pressed=true]{color:var(--mint);background:#a1ebcf15}
.state-context{margin-top:18px;border:1px solid #b9edbb24;background:#15211f;border-radius:9px;padding:14px 18px}.state-context>div{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}.state-context strong{font-size:14px;font-weight:500;color:#bed9ca}.state-context span,.state-context p{font-size:12px;color:#8ca79a}.state-context p{margin:7px 0 0}.latent-heading{border-top:1px solid #ffffff0c;padding-top:10px;font-size:12px;display:flex;justify-content:space-between;gap:3px;color:#c3d5c9}.latent-heading span{font-size:10px;color:#839b8d}.latent-bars{margin:8px 0}.latent-row{display:grid;grid-template-columns:1fr auto;gap:3px 7px;margin:6px 0}.latent-row span{font-size:12px;color:#a1b4a9}.latent-row strong{font-size:12px;font-variant-numeric:tabular-nums;font-weight:500}.latent-row meter{grid-column:1/-1;width:100%;height:5px;appearance:none;background:#ffffff0a;border:0;border-radius:3px}.latent-row meter::-webkit-meter-bar{background:#ffffff0a;border:0}.latent-row meter::-webkit-meter-optimum-value{background:var(--fish-color)}.latent-row meter::-moz-meter-bar{background:var(--fish-color)}.intake-note{font-size:11px;color:#8da295;margin-bottom:9px}.fish-card:last-child .fish-portrait{position:static}.fish-cards{align-items:stretch}@media(max-width:760px){.fish-card:last-child{grid-column:auto}.fish-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.latent-heading{flex-wrap:wrap}.state-context{padding:12px}.fish-card:last-child .metrics{gap:8px;justify-content:space-between}}
.replay{margin-top:35px;padding-top:5px;border-top:1px solid var(--line)}#replay-content{border:1px solid #ffffff12;border-radius:12px;padding:22px;background:#111e20}.replay-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:16px}.replay-toolbar label{font-size:14px;color:#9eb1a9;display:flex;align-items:center;gap:8px}.replay-toolbar select{max-width:100%;font-size:14px}.replay-toolbar output{margin-left:auto;color:var(--mint);font-size:14px;font-variant-numeric:tabular-nums}.replay-timeline{display:flex;gap:12px;align-items:center;margin:20px 0}.replay-timeline input{flex:1;min-width:0;accent-color:var(--mint);cursor:pointer}.replay-timeline button{border:1px solid #ffffff1a;border-radius:6px;padding:5px 14px}.replay-truth{display:flex;align-items:center;gap:30px;background:#b9edbb08;border-left:2px solid var(--mint);padding:14px 18px}.replay-truth>div{flex-shrink:0;display:grid;grid-template-columns:auto auto;align-items:center;gap:2px 15px}.replay-truth span{font-size:14px;color:#c0d5cb}.replay-truth strong{font-size:26px;font-weight:500;font-variant-numeric:tabular-nums}.replay-truth small{grid-column:1/-1;color:#91a99d;font-size:12px}.replay-truth p{font-size:13px;color:#90a69b;margin:0;max-width:560px}.replay-models{display:grid;grid-template-columns:repeat(var(--replay-model-count,3),minmax(0,1fr));gap:15px;margin-top:20px}.replay-model{background:#172629;border:1px solid #ffffff0a;border-radius:9px;padding:17px}.replay-model h3{font-size:15px;font-weight:500;margin:0 0 12px}.replay-verdict{font-size:13px;padding:3px 8px;border-radius:4px;background:#a1ebcf18;color:var(--mint)}.replay-verdict.unknown{color:#e2be83;background:#e2be8317}.probability-caption{font-size:12px;color:#91a79b;margin:15px 0 0}.probability-value{display:block;font-size:27px;font-weight:500;font-variant-numeric:tabular-nums}.probability-meter{width:100%;height:7px;appearance:none}.probability-meter::-webkit-meter-bar{background:#ffffff0a;border:0}.probability-meter::-webkit-meter-optimum-value{background:#a1ebcf}.prediction-reason{min-height:36px;font-size:12px;color:#a0b1a8}.replay-stats{display:flex;flex-wrap:wrap;gap:5px 14px;border-top:1px solid #ffffff0b;padding-top:10px;font-size:12px;color:#8da297}.replay-quality,.replay-events{font-size:13px;color:#9fb8a9;margin-top:15px}.quality-warning{color:#e2be83}.replay-events{margin-top:6px}.replay-features{border-top:1px solid #ffffff10;margin-top:18px;padding-top:14px}.replay-features summary{font-size:14px;cursor:pointer;color:#c4dace}.replay-features p,.replay-footnote{font-size:12px;color:#839a8d}.replay-footnote{margin-bottom:0}#replay-features-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:18px}.replay-feature span{display:block;font-size:12px;color:#8fa799}.replay-feature strong{font-size:14px;font-weight:500}.replay-error{color:#edbd80}@media(max-width:760px){#replay-content{padding:15px}.replay-toolbar{gap:12px}.replay-toolbar label{flex-wrap:wrap}.replay-toolbar output{margin-left:0}.replay-truth{flex-direction:column;align-items:flex-start;gap:10px}.replay-models{grid-template-columns:1fr}.replay-model{display:grid;grid-template-columns:1fr auto;gap:4px 12px}.replay-model h3{margin-bottom:8px}.replay-verdict{align-self:start}.probability-value{grid-column:2;grid-row:2/4}.probability-meter,.prediction-reason,.replay-stats{grid-column:1/-1}.prediction-reason{min-height:0}.probability-caption{margin:5px 0}.replay-stats{margin-top:8px}#replay-features-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* Three photo-referenced residents. */
.fish-cards{grid-template-columns:repeat(3,minmax(0,1fr))}@media(max-width:760px){.fish-cards{grid-template-columns:1fr}.fish-card:last-child{grid-column:auto}.fish-portrait{height:84px}}
html[data-lang="en"] [lang="zh-CN"]:not(html),html[data-lang="zh"] [lang="en"]:not(html){display:none!important}h1>span[lang]{color:inherit}h2>span[lang]{font-size:inherit;vertical-align:baseline;color:inherit;background:none;border-radius:0;padding:0;margin:0}.demo-badge>span[lang]{margin:0;font-size:inherit;letter-spacing:inherit;opacity:1}.feed-button span[lang]{margin-right:0}footer p>span[lang]{color:inherit;margin-right:0}.state-context strong span[lang]{font-size:inherit;color:inherit}