:root{color-scheme:light;box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}html{scroll-padding-top:env(safe-area-inset-top,0px)}body{margin:0;padding:0;font:14px -apple-system,BlinkMacSystemFont,sans-serif;background:#fff;color:#000}img{max-width:100%}[hidden]:not([hidden=until-found i]){display:none!important}

/* Layout: sticky top bar with five views; content in a 1100px column; cards for graphs, forms on the left and live code on the right. */
:root{
  --bg:#ffffff; --surface:#ffffff; --surface2:#e8eeeb; --ink:#13201b; --muted:#566660; --line:#d5dcd8;
  --accent:#0b7f76; --accent-ink:#ffffff; --accent-soft:#d3ede9;
  --good:#17733a; --warn:#9a5b00; --bad:#b3261e;
  --good-soft:#dcf1e3; --warn-soft:#fbecd2; --bad-soft:#fadcd9;
  --code-bg:#0f1d19; --code-ink:#d6eae4; --code-cm:#7f9a92; --code-st:#e9c46a; --code-kw:#7fd6c1;
  --navy:#12335c; --teal:#0b8a80; --teal2:#2fb59f; --sky:#58a8e0;
  --s1:#0e6b5b; --s2:#c4561a; --s3:#3a6db5; --s4:#8a7000; --s5:#9a3f78; --s6:#5a6b66;
  --f-display:'Bricolage Grotesque','Segoe UI',system-ui,sans-serif;
  --f-body:'Schibsted Grotesk','Segoe UI',system-ui,sans-serif;
  --f-mono:'JetBrains Mono',ui-monospace,Menlo,Consolas,monospace;
}
:root[data-theme="dark"]{
  --bg:#0d1513; --surface:#141f1c; --surface2:#1c2a26; --ink:#e5eeeb; --muted:#93a59e; --line:#27352f;
  --accent:#4cc2a8; --accent-ink:#07201a; --accent-soft:#18332c;
  --good:#5fd08a; --warn:#e8b04a; --bad:#f0857d;
  --good-soft:#163425; --warn-soft:#3a2d12; --bad-soft:#3d1f1c;
  --code-bg:#09110f; --code-ink:#d6eae4; --code-cm:#6f8a82; --code-st:#e9c46a; --code-kw:#7fd6c1;
  --navy:#9cc2ee; --teal:#3fc2b0; --teal2:#4fd0b8; --sky:#5aaee8;
  --s1:#4cc2a8; --s2:#f08a4b; --s3:#7aa5e6; --s4:#d4b73a; --s5:#d27ab5; --s6:#9db0aa;
  color-scheme:dark;
}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.5;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:0 48px}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);background:var(--bg);z-index:20}
h1,h2,h3{font-family:var(--f-display);margin:0;text-wrap:balance;letter-spacing:-.01em;line-height:1.15}
h1{font-size:clamp(1.6rem,3.4vw,2.2rem)} h2{font-size:1.25rem} h3{font-size:1rem}
p{margin:0}
a{color:var(--accent)}
.wrap{max-width:1100px;margin:0 auto}
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:15;background:var(--bg);border-bottom:1px solid var(--line);
  margin:0 calc(-1*max(16px,env(safe-area-inset-left,0px)));padding:10px max(16px,env(safe-area-inset-left,0px))}
.top .wrap{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--f-display);font-weight:700;font-size:1.1rem;white-space:nowrap}
.brand small{font-family:var(--f-body);font-weight:500;color:var(--muted);font-size:.8rem;margin-left:2px}
.nav{display:flex;gap:2px;overflow-x:auto;min-width:0;flex:1}
.nav a{padding:8px 12px;border-radius:8px;text-decoration:none;color:var(--muted);font-weight:500;white-space:nowrap}
.nav a:hover{background:var(--surface2);color:var(--ink)}
.nav a[aria-current="page"]{background:var(--accent);color:var(--accent-ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.page-head{padding:28px 0 18px;display:grid;gap:8px}
.page-head p{color:var(--muted);max-width:68ch}
.note{background:var(--warn-soft);color:var(--ink);border:1px solid color-mix(in srgb,var(--warn) 45%,var(--line));border-radius:10px;padding:10px 14px;font-size:.9rem;margin-bottom:16px}
.note b{color:var(--warn)}
.grid{display:grid;gap:14px}
.g-cards{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.g-2{grid-template-columns:minmax(0,5fr) minmax(0,6fr);align-items:start}
@media (max-width:820px){.g-2{grid-template-columns:minmax(0,1fr)}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px;min-width:0}
button.card{text-align:left;font:inherit;color:inherit;cursor:pointer;width:100%}
button.card:hover{border-color:var(--accent)}
button.card[aria-pressed="true"]{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft) inset;background:color-mix(in srgb,var(--accent) 6%,var(--surface))}
.tag{display:inline-block;font-size:.72rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:2px 8px;border-radius:6px;background:var(--surface2);color:var(--muted)}
.tag.acc{background:var(--accent-soft);color:var(--accent)}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.muted{color:var(--muted)} .small{font-size:.85rem}
.mono{font-family:var(--f-mono);font-size:.85em}
.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px}
.stat{background:var(--surface2);border-radius:10px;padding:10px 12px;min-width:0}
.stat b{display:block;font-family:var(--f-display);font-size:1.35rem;font-variant-numeric:tabular-nums;line-height:1.2}
.stat span{font-size:.78rem;color:var(--muted)}
dl.props{display:grid;grid-template-columns:max-content minmax(0,1fr);gap:6px 16px;margin:0}
dl.props dt{color:var(--muted);font-size:.85rem} dl.props dd{margin:0}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px;overflow-x:auto}
.tabs button{font:inherit;font-weight:500;background:none;border:0;border-bottom:2px solid transparent;padding:10px 14px;color:var(--muted);cursor:pointer;white-space:nowrap}
.tabs button[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--accent)}
.btn{font:inherit;font-weight:600;border-radius:9px;border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:8px 14px;cursor:pointer;text-decoration:none;display:inline-block}
.btn:hover{border-color:var(--accent)}
.btn.pri{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn.sm{padding:5px 10px;font-size:.85rem}
.field{display:grid;gap:6px;margin-bottom:16px}
.field>label,.field>.lbl{font-weight:600;font-size:.88rem}
.field .hint{font-size:.8rem;color:var(--muted)}
input[type=text],select{font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:8px 10px;width:100%;min-width:0}
.seg{display:inline-flex;flex-wrap:wrap;border:1px solid var(--line);border-radius:9px;overflow:hidden;background:var(--surface)}
.seg label{cursor:pointer;position:relative}
.seg input{position:absolute;opacity:0;inset:0}
.seg span{display:block;padding:8px 14px;font-weight:500;font-size:.9rem;border-right:1px solid var(--line)}
.seg label:last-child span{border-right:0}
.seg input:checked+span{background:var(--accent);color:var(--accent-ink)}
.seg input:focus-visible+span{outline:2px solid var(--accent);outline-offset:-2px}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{position:relative;cursor:pointer}
.chip input{position:absolute;opacity:0;inset:0}
.chip span{display:block;padding:5px 11px;border:1px solid var(--line);border-radius:999px;font-size:.85rem;background:var(--surface)}
.chip input:checked+span{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);font-weight:600}
.chip input:focus-visible+span{outline:2px solid var(--accent)}
.code{position:relative;background:var(--code-bg);border-radius:10px;margin-bottom:12px;min-width:0}
.code pre{margin:0;padding:14px 16px;overflow-x:auto;color:var(--code-ink);font-family:var(--f-mono);font-size:.8rem;line-height:1.6;tab-size:4}
.code .copy{position:absolute;top:8px;right:8px;font:inherit;font-size:.75rem;font-weight:600;background:#ffffff1c;color:var(--code-ink);border:1px solid #ffffff2e;border-radius:6px;padding:3px 9px;cursor:pointer}
.code .copy:hover{background:#ffffff30}
.code .cap{padding:8px 16px 0;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--code-cm);font-family:var(--f-mono)}
.execution-output-picker{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:0 0 12px}
.execution-output-picker>span{color:var(--muted);font-size:.82rem;font-weight:600}
.execution-output-hint{margin:-2px 0 16px;color:var(--muted);font-size:.78rem;line-height:1.5}
.cm{color:var(--code-cm)} .st{color:var(--code-st)} .kw{color:var(--code-kw)}
.pill{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;border-radius:6px;padding:2px 8px;white-space:nowrap}
.pill.ok{background:var(--good-soft);color:var(--good)} .pill.warn{background:var(--warn-soft);color:var(--warn)} .pill.fail{background:var(--bad-soft);color:var(--bad)} .pill.info{background:var(--surface2);color:var(--muted)}
.checks{display:grid;gap:8px}
.check{display:grid;grid-template-columns:90px minmax(0,1fr);gap:10px;align-items:start;padding:10px 0;border-top:1px solid var(--line)}
.check:first-child{border-top:0}
.check b{display:block} .check span{color:var(--muted);font-size:.88rem}
.drop{border:2px dashed var(--line);border-radius:12px;padding:20px;text-align:center;background:var(--surface);cursor:pointer;display:block}
.drop:hover,.drop.over{border-color:var(--accent);background:var(--accent-soft)}
.drop input{display:none}
.bars{display:grid;gap:6px}
.bar{display:grid;grid-template-columns:minmax(70px,130px) minmax(0,1fr) 64px;gap:8px;align-items:center;font-size:.85rem}
.bar .nm{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar .track{background:var(--surface2);border-radius:4px;height:10px;overflow:hidden}
.bar .fill{height:100%;background:var(--accent);border-radius:4px}
.bar .v{text-align:right;font-variant-numeric:tabular-nums;color:var(--muted)}
.tbl{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-variant-numeric:tabular-nums}
th,td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{font-size:.78rem;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);font-weight:600}
td.num,th.num{text-align:right}
td.cell{cursor:pointer;color:var(--ink)}
td.cell:hover{outline:2px solid var(--accent);outline-offset:-2px}
td.cell.best{font-weight:700}
td.cell.sel{outline:2px solid var(--ink);outline-offset:-2px}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:.85rem;margin-bottom:6px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px}
svg.chart{width:100%;height:auto;display:block}
svg.chart text{fill:var(--muted);font-family:var(--f-body);font-size:11px}
svg.chart .grid-l{stroke:var(--line);stroke-width:1}
.b0{fill:var(--s1)}.b1{fill:var(--s2)}.b2{fill:var(--s3)}.b3{fill:var(--s4)}.b4{fill:var(--s5)}.b5{fill:var(--s6)}
.dots{display:flex;gap:6px;flex-wrap:wrap}
.dots span{background:var(--surface2);border-radius:6px;padding:3px 8px;font-size:.82rem;font-variant-numeric:tabular-nums}
.rank{display:grid;grid-template-columns:34px minmax(0,1.2fr) minmax(0,2fr) 90px 90px;gap:10px;align-items:center;padding:10px 0;border-top:1px solid var(--line)}
.rank:first-of-type{border-top:0}
.rank .n{font-family:var(--f-display);font-weight:700;font-size:1.15rem;color:var(--muted)}
.rank.first .n{color:var(--accent)}
.rank .nm{font-weight:600;overflow-wrap:anywhere}
.rank .gain.pos{color:var(--good)} .rank .gain.neg{color:var(--bad)}
@media (max-width:640px){.rank{grid-template-columns:28px minmax(0,1fr) 80px}.rank .bar-col,.rank .extra{display:none}}
.sec{margin-top:22px;display:grid;gap:12px}
.sec>h2{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
.empty{padding:28px;text-align:center;color:var(--muted)}
@media (prefers-reduced-motion:no-preference){button.card,.btn,.drop{transition:border-color .15s,background .15s}}
.brand{color:var(--ink);text-decoration:none}
@media (min-width:1180px){.top .brand{transform:translateX(-36px)}}
.theme{font:inherit;width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;display:grid;place-items:center;flex:none}
.theme:hover{border-color:var(--accent)}
.theme svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
#bg{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:.42;transition:opacity .5s}
body[data-view="accueil"] #bg{opacity:1}
#view{position:relative;z-index:1}
.l-flow{fill:var(--navy);opacity:0}
a.card{display:block;text-decoration:none;color:inherit}
a.card:hover{border-color:var(--accent)}
a.card h3{margin-bottom:6px}

/* ---- accueil : logo animé ---- */
.hero{display:grid;justify-items:center;gap:14px;text-align:center;padding:36px 0 28px;position:relative;
  background:radial-gradient(55% 60% at 50% 32%,color-mix(in srgb,var(--sky) 16%,transparent),transparent 72%)}
.logo-mark{width:min(330px,72vw);height:auto;overflow:visible}
.wordmark{font-family:var(--f-display);font-weight:700;font-size:clamp(2.8rem,9vw,4.8rem);letter-spacing:-.025em;line-height:1;margin-top:-4px}
.wordmark .w1{color:var(--navy)} .wordmark .w2{color:var(--teal)}
.wordmark-studio{display:inline-block;margin-left:.35em;color:var(--muted);font-family:var(--f-body);font-size:.16em;font-weight:600;letter-spacing:.02em;vertical-align:sub}
.tagline{display:flex;align-items:center;gap:14px;color:var(--muted);font-size:clamp(.85rem,2.4vw,1rem);letter-spacing:.04em}
.tagline i{display:block;width:clamp(22px,8vw,56px);height:2px;background:var(--navy);opacity:.7;transform-origin:center}
.lede{max-width:86ch;color:var(--muted);font-size:1.02rem;text-align:justify;text-align-last:center;hyphens:auto}
.hero .cta{justify-content:center;margin-top:4px}
.replay{font:inherit;font-size:.8rem;color:var(--muted);background:none;border:0;cursor:pointer;text-decoration:underline;text-underline-offset:3px;padding:4px}
.replay:hover{color:var(--ink)}
.l-doc{fill:none;stroke:var(--navy);stroke-width:8;stroke-linecap:round;stroke-linejoin:round}
.l-line{fill:none;stroke:var(--sky);stroke-width:6;stroke-linecap:round}
.l-arrow{fill:none;stroke:var(--sky);stroke-width:10;stroke-linecap:round}
.l-head{fill:var(--sky);stroke:var(--sky);stroke-width:2;stroke-linejoin:round}
.l-edge{fill:none;stroke:var(--navy);stroke-width:4.5;stroke-linecap:round;opacity:.9}
.l-arc{fill:none;stroke:var(--sky);stroke-width:4;stroke-linecap:round;opacity:.45}
.n-c{fill:var(--navy)} .n-a,.n-e{fill:var(--teal)} .n-b,.n-d{fill:var(--sky)} .n-f{fill:var(--teal2)}
.l-halo{fill:none;stroke:var(--sky);stroke-width:2;opacity:0}
.node,.br,.halo{transform-box:fill-box;transform-origin:center}
.hero.play .draw{stroke-dasharray:1 1;animation:draw calc(var(--t,.8s)*.6) cubic-bezier(.55,0,.25,1) both;animation-delay:calc(var(--d,0s)*.6)}
.hero.play .node{animation:pop .36s cubic-bezier(.2,1.5,.4,1) both;animation-delay:calc(var(--d,0s)*.6)}
.hero.play .br{animation:breathe 5.5s ease-in-out infinite;animation-delay:2.6s}
.hero.play .halo{animation:halo 3.4s ease-out infinite;animation-delay:2.6s}
.hero.play .wordmark{animation:rise .5s cubic-bezier(.2,.7,.2,1) both;animation-delay:1.55s}
.hero.play .tagline i{animation:grow .45s ease-out both;animation-delay:1.85s}
.hero.play .tagline span{animation:fade .45s ease-out both;animation-delay:1.85s}
.hero.play .lede,.hero.play .cta,.hero.play .replay{animation:rise .45s ease-out both;animation-delay:2s}
.home-features{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(24px,4vw,48px);margin:10px 0 22px;padding:28px 10px 30px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.home-feature{text-align:center}
.feature-icon{display:grid;width:46px;height:46px;margin:0 auto 10px;place-items:center;color:var(--accent)}
.feature-icon svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.home-feature h2{margin:0 0 8px;color:var(--accent);font-size:clamp(1.15rem,2vw,1.42rem);font-weight:600}
.home-feature p{max-width:36ch;margin:0 auto;color:var(--ink);font-size:.92rem;line-height:1.55;text-align:left}
.home-resources{margin:0 0 6px;padding:14px 0 4px}
.resource-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.resource-link{display:grid;grid-template-columns:44px minmax(0,1fr) auto;align-items:center;gap:11px;min-width:0;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);text-decoration:none;transition:border-color .15s,transform .15s,box-shadow .15s}
.resource-link:hover{border-color:var(--accent);box-shadow:0 8px 24px color-mix(in srgb,var(--ink) 8%,transparent);transform:translateY(-2px)}
.resource-logo{display:grid;width:44px;height:44px;place-items:center;border-radius:8px;background:var(--surface2)}
.arxiv-logo{color:#a42c2c;font-family:Georgia,serif;font-size:1rem;font-weight:700;letter-spacing:-.04em}
.hf-logo{font-size:1.45rem}
.github-logo{color:var(--ink)}
.github-logo svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.resource-link b{display:block;font-size:.94rem}
.resource-link small{display:block;margin-top:3px;color:var(--muted);font-size:.76rem;line-height:1.35}
.resource-link i{color:var(--muted);font-size:1.1rem;font-style:normal}
body.reveal-enabled .reveal-section{opacity:0;transform:translateY(24px);transition:opacity .65s ease,transform .65s cubic-bezier(.2,.7,.2,1);will-change:opacity,transform}
body.reveal-enabled .reveal-section.is-visible{opacity:1;transform:none}
@keyframes draw{from{stroke-dashoffset:1;opacity:0}2%{opacity:1}to{stroke-dashoffset:0;opacity:1}}
@keyframes pop{from{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}
@keyframes breathe{0%,100%{transform:scale(1)}50%{transform:scale(1.07)}}
@keyframes halo{0%{transform:scale(.8);opacity:.55}100%{transform:scale(1.7);opacity:0}}
@keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes grow{from{transform:scaleX(0);opacity:0}to{transform:scaleX(1);opacity:.7}}
@media (prefers-reduced-motion:reduce){.hero *{animation:none!important}body.reveal-enabled .reveal-section{opacity:1;transform:none;transition:none}}
@media (max-width:860px){.resource-links{grid-template-columns:1fr}.resource-link{max-width:560px;width:100%;margin:0 auto}}
@media (max-width:760px){.home-features{grid-template-columns:1fr;gap:28px;padding:28px 10px}.home-feature p{max-width:46ch;text-align:center}}
@media (max-width:640px){.lede{max-width:60ch;text-align:left;text-align-last:auto}}