/* ───────── Fonts (self-hosted, subset) ───────── */
@font-face{font-family:"Lora";src:url("../fonts/lora.woff") format("woff");font-weight:400 700;font-style:normal;font-display:swap}
@font-face{font-family:"Lora";src:url("../fonts/lora-italic.woff") format("woff");font-weight:400 700;font-style:italic;font-display:swap}
@font-face{font-family:"Inter";src:url("../fonts/inter-Regular.woff") format("woff");font-weight:400;font-display:swap}
@font-face{font-family:"Inter";src:url("../fonts/inter-Medium.woff") format("woff");font-weight:500;font-display:swap}
@font-face{font-family:"Inter";src:url("../fonts/inter-SemiBold.woff") format("woff");font-weight:600;font-display:swap}

/* ───────── Tokens ───────── */
:root{
  --bg:#F2F5F8; --surface:#FFFFFF; --surface-2:#E9EEF3; --ink:#0D1923; --ink-2:#43515E; --ink-3:#566572;
  --line:#D3DBE3; --line-2:#BCC8D2; --brand:#006798; --brand-ink:#00507A; --brand-wash:#E3F0F7;
  --mark:#C95A0A;
  --st-derived:#136B48; --st-input:#1C5CA6; --st-model:#6A44A8; --st-open:#955700; --st-na:#8E2B38; --st-retracted:#66707A;
  --st-derived-bg:#E2F3EB; --st-input-bg:#E3EDF9; --st-model-bg:#EEE7F8; --st-open-bg:#FBEFD9; --st-na-bg:#F8E4E7; --st-retracted-bg:#ECEEF0;
  --serif:"Lora",Charter,"Iowan Old Style",Georgia,serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --fs-0:.8125rem; --fs-1:.9375rem; --fs-2:1.0625rem; --fs-3:1.25rem; --fs-4:clamp(1.55rem,1.2rem + 1.4vw,2.25rem); --fs-5:clamp(2.5rem,1.6rem + 4vw,4.6rem);
  --r:5px; --gap:clamp(1rem,2.4vw,1.75rem); --w:1180px; --shadow:0 1px 0 rgba(13,25,35,.04),0 8px 28px -14px rgba(13,25,35,.28);
  color-scheme:light;
}
:root[data-theme="dark"]{
  --bg:#0A121A; --surface:#101B25; --surface-2:#16242F; --ink:#E7EDF2; --ink-2:#A3B2BF; --ink-3:#7A8B99;
  --line:#22323F; --line-2:#33475A; --brand:#52B6EA; --brand-ink:#8AD0F5; --brand-wash:#0F2A3A; --mark:#F08A3C;
  --st-derived:#5CCB9A; --st-input:#7FB4F2; --st-model:#B79BF0; --st-open:#EDB458; --st-na:#F08C98; --st-retracted:#9AA6B1;
  --st-derived-bg:#10291F; --st-input-bg:#112538; --st-model-bg:#221A36; --st-open-bg:#302410; --st-na-bg:#33181D; --st-retracted-bg:#1B252E;
  --shadow:0 1px 0 rgba(0,0,0,.4),0 10px 30px -12px rgba(0,0,0,.7);
  color-scheme:dark;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0A121A; --surface:#101B25; --surface-2:#16242F; --ink:#E7EDF2; --ink-2:#A3B2BF; --ink-3:#7A8B99;
  --line:#22323F; --line-2:#33475A; --brand:#52B6EA; --brand-ink:#8AD0F5; --brand-wash:#0F2A3A; --mark:#F08A3C;
  --st-derived:#5CCB9A; --st-input:#7FB4F2; --st-model:#B79BF0; --st-open:#EDB458; --st-na:#F08C98; --st-retracted:#9AA6B1;
  --st-derived-bg:#10291F; --st-input-bg:#112538; --st-model-bg:#221A36; --st-open-bg:#302410; --st-na-bg:#33181D; --st-retracted-bg:#1B252E;
  --shadow:0 1px 0 rgba(0,0,0,.4),0 10px 30px -12px rgba(0,0,0,.7); color-scheme:dark;}}

/* ───────── Base ───────── */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:4.5rem;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font:400 var(--fs-2)/1.65 var(--serif);text-rendering:optimizeLegibility;font-kerning:normal;overflow-wrap:break-word}
img,svg,canvas{max-width:100%;display:block}
a{color:var(--brand-ink);text-decoration-thickness:1px;text-underline-offset:.18em}
a:hover{color:var(--brand)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:2px}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.15;letter-spacing:-.012em;margin:0}
p{margin:0 0 1em}
button{font:inherit;color:inherit}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:.5rem;top:-3rem;background:var(--ink);color:var(--bg);padding:.5rem .8rem;z-index:100;border-radius:var(--r)}
.skip:focus{top:.5rem}
.wrap{width:min(var(--w),100% - 2*var(--gap));margin-inline:auto}
.ui{font-family:var(--sans)}
.num{font-variant-numeric:tabular-nums}
.btn{font:500 var(--fs-1)/1 var(--sans);display:inline-flex;align-items:center;gap:.5rem;padding:.7rem 1rem;border:1px solid var(--line-2);background:var(--surface);color:var(--ink);border-radius:var(--r);cursor:pointer;text-decoration:none;transition:background .15s,border-color .15s}
.btn:hover{border-color:var(--brand);color:var(--ink);background:var(--brand-wash)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
:root[data-theme="dark"] .btn.primary{color:#04131C}
.btn.primary:hover{background:var(--brand-ink);color:#fff}
.btn.small{padding:.45rem .7rem;font-size:var(--fs-0)}
kbd{font:500 .72rem/1 var(--sans);border:1px solid var(--line-2);border-bottom-width:2px;border-radius:4px;padding:.18rem .36rem;background:var(--surface)}

/* ───────── Status chips ───────── */
.st{font:500 .75rem/1 var(--sans);display:inline-flex;align-items:center;gap:.4em;padding:.32rem .55rem .32rem .45rem;border-radius:3px;white-space:nowrap;vertical-align:middle}
.st::before{content:"";width:.6em;height:.6em;background:currentColor;flex:none}
.st-DERIVED{color:var(--st-derived);background:var(--st-derived-bg)}               .st-DERIVED::before{border-radius:1px}
.st-INPUT{color:var(--st-input);background:var(--st-input-bg)}                      .st-INPUT::before{transform:rotate(45deg) scale(.85)}
.st-MODEL{color:var(--st-model);background:var(--st-model-bg)}                      .st-MODEL::before{clip-path:polygon(50% 0,100% 100%,0 100%)}
.st-OPEN{color:var(--st-open);background:var(--st-open-bg)}                         .st-OPEN::before{background:none;border:1.5px solid currentColor;border-radius:50%}
.st-NOT_CLAIMED{color:var(--st-na);background:var(--st-na-bg)}                      .st-NOT_CLAIMED::before{clip-path:polygon(15% 0,50% 35%,85% 0,100% 15%,65% 50%,100% 85%,85% 100%,50% 65%,15% 100%,0 85%,35% 50%,0 15%)}
.st-RETRACTED{color:var(--st-retracted);background:var(--st-retracted-bg);text-decoration:line-through}
.st-RETRACTED::before{height:2px;margin-top:0}

/* ───────── Top bar ───────── */
.bar{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line);font-family:var(--sans)}
.bar .wrap{display:flex;align-items:center;gap:1rem;height:3.4rem}
.bar .brand{font:600 1rem/1 var(--serif);color:var(--ink);text-decoration:none;letter-spacing:-.01em;white-space:nowrap}
.bar nav{display:flex;gap:.1rem;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.bar nav::-webkit-scrollbar{display:none}
.bar nav a{font-size:var(--fs-1);color:var(--ink-2);text-decoration:none;padding:.4rem .65rem;border-radius:var(--r);white-space:nowrap}
.bar nav a:hover,.bar nav a[aria-current="true"]{color:var(--ink);background:var(--surface-2)}
.bar .tools{display:flex;gap:.4rem;align-items:center}
.icon-btn{width:2.25rem;height:2.25rem;display:grid;place-items:center;border:1px solid var(--line);background:var(--surface);border-radius:var(--r);cursor:pointer;color:var(--ink-2)}
.icon-btn:hover{color:var(--ink);border-color:var(--brand)}
.icon-btn svg{width:1.1rem;height:1.1rem;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.search-btn{display:flex;align-items:center;gap:.6rem;padding:0 .7rem;height:2.25rem;border:1px solid var(--line);background:var(--surface);border-radius:var(--r);color:var(--ink-3);font-size:var(--fs-0);cursor:pointer;min-width:11rem}
.search-btn:hover{border-color:var(--brand);color:var(--ink)}
.search-btn kbd{margin-left:auto}
@media (max-width:980px){.bar nav{display:none}.search-btn{min-width:0}.search-btn span,.search-btn kbd{display:none}.search-btn{width:2.25rem;justify-content:center;padding:0}.bar .tools{margin-left:auto}}

/* ───────── Scopus band (top of page) ───────── */
.scopus{background:var(--surface);border-bottom:1px solid var(--line)}
.scopus .wrap{padding-block:clamp(1.1rem,2.4vw,1.8rem)}
.scopus-grid{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,1.15fr);gap:var(--gap);align-items:stretch}
.fig{margin:0;display:flex;flex-direction:column;gap:.55rem;min-width:0}
.fig figcaption{font:500 var(--fs-1)/1.3 var(--sans);display:flex;align-items:center;gap:.6rem;color:var(--ink)}
.fig .badge{flex:none;width:1.45rem;height:1.45rem;border-radius:50%;background:var(--mark);color:#fff;display:grid;place-items:center;font:600 .78rem/1 var(--sans)}
:root[data-theme="dark"] .fig .badge{color:#1b0d02}
.fig .frame{flex:1;border:1px solid var(--line);border-radius:var(--r);background:#fff;overflow:hidden;display:grid;place-items:center;cursor:zoom-in;position:relative;min-height:9rem;padding:0;width:100%}
.fig .frame img{width:100%;height:auto;max-height:23rem;object-fit:contain;object-position:left top}
.fig:nth-child(2) .frame img{max-height:14rem;object-position:center}
.fig .frame:hover{border-color:var(--brand)}
.fig .frame .zoom{position:absolute;right:.5rem;bottom:.5rem;background:rgba(13,25,35,.78);color:#fff;font:500 .72rem/1 var(--sans);padding:.35rem .5rem;border-radius:3px;opacity:0;transition:opacity .15s}
.fig .frame:hover .zoom,.fig .frame:focus-visible .zoom{opacity:1}
.fig .ph{padding:1.2rem;text-align:center;font:var(--fs-0)/1.5 var(--sans);color:var(--ink-3)}
.fig .ph code{background:var(--surface-2);padding:.1rem .35rem;border-radius:3px;color:var(--ink)}
.scopus-lead{display:flex;flex-wrap:wrap;gap:.6rem 1.2rem;align-items:center;justify-content:space-between;margin:.9rem 0 0}
.scopus-lead p{margin:0;font:var(--fs-1)/1.5 var(--sans);color:var(--ink-2);max-width:62ch}
@media (max-width:760px){.scopus-grid{grid-template-columns:1fr}.fig:nth-child(2) .frame img{max-height:9rem}}

/* ───────── Hero ───────── */
.hero{padding-block:clamp(2rem,6vw,4.5rem) clamp(2.2rem,5vw,3.5rem)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.02fr);gap:clamp(1.5rem,4vw,3.5rem);align-items:center}
.hero h1{font-size:var(--fs-5);font-weight:500;letter-spacing:-.025em;line-height:1.02}
.hero .role{font:500 var(--fs-1)/1.4 var(--sans);color:var(--ink-2);margin:1rem 0 1.4rem}
.hero .thesis{font-size:var(--fs-3);line-height:1.5;max-width:34ch;margin-bottom:.8em}
.hero .sub{color:var(--ink-2);max-width:52ch}
.hero .cta{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.4rem}
.hero .ids{display:flex;flex-wrap:wrap;gap:.4rem 1.2rem;margin-top:1.6rem;font:var(--fs-0)/1.4 var(--sans);color:var(--ink-3)}
.hero .ids b{font-weight:500;color:var(--ink-2)}
.portrait{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden}
.portrait header{padding:.8rem 1rem .1rem;font:500 var(--fs-0)/1.4 var(--sans);color:var(--ink-2);display:flex;justify-content:space-between;gap:1rem}
.portrait canvas{width:100%;aspect-ratio:1.28;touch-action:none;cursor:crosshair}
.portrait .ctl{display:grid;grid-template-columns:auto 1fr auto;gap:.5rem .8rem;align-items:center;padding:.4rem 1rem .9rem;font:var(--fs-0)/1.3 var(--sans);color:var(--ink-2)}
.portrait .ctl output{font-weight:600;color:var(--ink);min-width:2.6em;text-align:right}
.portrait .read{padding:.7rem 1rem;border-top:1px solid var(--line);font:var(--fs-0)/1.5 var(--sans);color:var(--ink-2);background:var(--surface-2);min-height:3.4rem}
.portrait .read b{color:var(--ink);font-weight:600}
input[type=range]{width:100%;accent-color:var(--brand);height:1.4rem}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}.hero .thesis{max-width:none}}

/* ───────── Sections ───────── */
section.s{padding-block:clamp(2.6rem,6vw,4.6rem);border-top:1px solid var(--line)}
section.s>.wrap>.head{max-width:62rem;margin-bottom:clamp(1.4rem,3vw,2.2rem)}
section.s h2{font-size:var(--fs-4);margin-bottom:.6rem}
.lede{font-size:var(--fs-3);line-height:1.5;color:var(--ink-2);max-width:56ch;margin:0}
.prose{max-width:66ch}

/* ledger */
.ledger-tools{display:flex;flex-wrap:wrap;gap:.5rem 1.2rem;align-items:center;margin-bottom:1rem;font-family:var(--sans)}
.chips{display:flex;flex-wrap:wrap;gap:.4rem}
.chip{font:500 var(--fs-0)/1 var(--sans);padding:.5rem .75rem;border:1px solid var(--line);background:var(--surface);border-radius:999px;cursor:pointer;color:var(--ink-2);display:inline-flex;align-items:center;gap:.4rem}
.chip:hover{border-color:var(--brand)}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.chip .n{opacity:.65;font-variant-numeric:tabular-nums}
.legend{display:flex;flex-wrap:wrap;gap:.5rem 1rem;margin:0 0 1.2rem;font:var(--fs-0)/1.4 var(--sans);color:var(--ink-3)}
.legend span{display:inline-flex;gap:.45rem;align-items:center}
.ledger{display:grid;gap:0;border-top:1px solid var(--line)}
.item{border-bottom:1px solid var(--line);padding:0}
.item summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:8.2rem minmax(0,1fr) auto 1rem;gap:.9rem;align-items:baseline;padding:.95rem .2rem}
.item summary .st{justify-self:start}
.item summary::-webkit-details-marker{display:none}
.item summary:hover{background:var(--surface)}
.item .t{font:600 var(--fs-2)/1.35 var(--serif)}
.item .src{font:var(--fs-0)/1 var(--sans);color:var(--ink-3);white-space:nowrap}
.item .chev{width:.6rem;height:.6rem;border-right:1.5px solid var(--ink-3);border-bottom:1.5px solid var(--ink-3);transform:rotate(45deg);transition:transform .15s;justify-self:end;align-self:center;margin-top:-.25rem}
.item[open] .chev{transform:rotate(-135deg)}
.item .body{padding:.2rem .2rem 1.4rem calc(8.2rem + .9rem + .2rem);max-width:calc(66ch + 9.4rem)}
.item .body p{margin-bottom:.8em}
.item .eq{overflow-x:auto;padding:.7rem 1rem;margin:0 0 .9rem;background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--line-2);border-radius:var(--r);font-size:1.02em}
.item .eq .katex-display{margin:0}
.item .more{font:var(--fs-0)/1.4 var(--sans);display:flex;gap:1rem;flex-wrap:wrap}
.item.hide{display:none}
.item:target{background:var(--brand-wash)}
.secnote{font:500 var(--fs-0)/1 var(--sans);color:var(--ink-3);padding:1.1rem .2rem .4rem}
@media (max-width:720px){.item summary{grid-template-columns:1fr auto;grid-template-areas:"s c" "t t" "r r"}.item summary .st{grid-area:s;justify-self:start}.item summary .chev{grid-area:c}.item summary .t{grid-area:t}.item summary .src{grid-area:r}.item .body{padding-left:.2rem}}
.empty{padding:1.4rem .2rem;font:var(--fs-1)/1.5 var(--sans);color:var(--ink-3)}

/* flow lab */
.lab{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:var(--gap);align-items:start}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r)}
.panel>h3{font:600 var(--fs-1)/1.3 var(--sans);padding:.8rem 1rem;border-bottom:1px solid var(--line)}
.panel .in{padding:1rem}
.lab canvas{width:100%;aspect-ratio:1.3}
.lab .scan canvas{aspect-ratio:1.9}
.controls{display:grid;gap:.8rem;font:var(--fs-1)/1.4 var(--sans)}
.controls .row{display:grid;grid-template-columns:7rem 1fr 4rem;gap:.8rem;align-items:center}
.controls output{font-weight:600;text-align:right}
.seg{display:inline-flex;border:1px solid var(--line-2);border-radius:var(--r);overflow:hidden}
.seg button{border:0;background:var(--surface);padding:.5rem .8rem;font:500 var(--fs-0)/1 var(--sans);cursor:pointer;color:var(--ink-2)}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
.readout{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.7rem 1rem;margin:0}
.readout div{border-top:1px solid var(--line);padding-top:.5rem}
.readout dt{font:var(--fs-0)/1.2 var(--sans);color:var(--ink-3)}
.readout dd{margin:.15rem 0 0;font:600 1.25rem/1.2 var(--serif)}
.notice{font:var(--fs-0)/1.55 var(--sans);color:var(--ink-2);background:var(--st-open-bg);border-left:3px solid var(--st-open);padding:.7rem .9rem;border-radius:0 var(--r) var(--r) 0;margin-top:1rem}
@media (max-width:900px){.lab{grid-template-columns:1fr}}
@media (max-width:640px){.lab .scan canvas{aspect-ratio:1.2}}

/* papers */
.papers{border-top:1px solid var(--line);counter-reset:p}
.paper{border-bottom:1px solid var(--line)}
.paper>summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:2.4rem minmax(0,1fr) auto;gap:.9rem;padding:1.1rem .2rem;align-items:start}
.paper>summary::-webkit-details-marker{display:none}
.paper>summary:hover{background:var(--surface)}
.paper .n{font:500 var(--fs-1)/1.6 var(--sans);color:var(--ink-3)}
.paper h3{font-size:var(--fs-3);line-height:1.3;font-weight:600}
.paper .en{font:italic var(--fs-1)/1.45 var(--serif);color:var(--ink-3);margin:.25rem 0 .55rem}
.paper .tags{display:flex;flex-wrap:wrap;gap:.35rem;align-items:center;font:var(--fs-0)/1 var(--sans);color:var(--ink-3)}
.paper .meta{font:var(--fs-0)/1.4 var(--sans);color:var(--ink-3);text-align:right;white-space:nowrap}
.paper .pbody{padding:.2rem .2rem 1.5rem calc(2.4rem + .9rem + .2rem);max-width:calc(66ch + 3.5rem)}
.paper .nc{border-left:3px solid var(--st-na);padding:.1rem 0 .1rem .9rem;color:var(--ink-2);margin-bottom:1rem}
.paper .nc b{font:600 var(--fs-0)/1 var(--sans);color:var(--st-na);display:block;margin-bottom:.3rem}
.paper .key{font:600 var(--fs-1)/1.4 var(--sans);margin-bottom:1rem}
.paper .links{display:flex;flex-wrap:wrap;gap:.5rem}
.paper .links .off{opacity:.5;pointer-events:none}
@media (max-width:720px){.paper>summary{grid-template-columns:1.8rem 1fr}.paper .meta{display:none}.paper .pbody{padding-left:.2rem}}

/* registry */
.reg{display:grid;gap:0;border-top:1px solid var(--line)}
.reg .r{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:var(--gap);padding:1rem .2rem;border-bottom:1px solid var(--line)}
.reg .before{color:var(--ink-3)}
.reg .before s{text-decoration-thickness:1px;text-decoration-color:currentColor}
.reg .why{display:block;font:var(--fs-0)/1.5 var(--sans);margin-top:.35rem}
.reg .now b{display:block;margin-bottom:.4rem}
.reg .st-RETRACTED{text-decoration:none}
.reg .st-RETRACTED::before{height:.6em}
@media (max-width:720px){.reg .r{grid-template-columns:1fr}}

/* agent intro */
.agent-intro{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:var(--gap);align-items:start}
.modes{display:grid;gap:.7rem;margin:0;padding:0;list-style:none}
.modes li{border:1px solid var(--line);background:var(--surface);border-radius:var(--r);padding:.8rem 1rem;font:var(--fs-1)/1.5 var(--sans)}
.modes b{display:block;font-weight:600}
.modes span{color:var(--ink-2)}
.ask-chips{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}
@media (max-width:900px){.agent-intro{grid-template-columns:1fr}}

/* identifiers / journal */
.idgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.idgrid div{padding:1rem;border-right:1px solid var(--line);border-bottom:1px solid var(--line);font-family:var(--sans)}
.idgrid dt{font-size:var(--fs-0);color:var(--ink-3)}
.idgrid dd{margin:.2rem 0 0;font-weight:500;overflow-wrap:anywhere}
.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(1.5rem,4vw,3rem)}
@media (max-width:820px){.two{grid-template-columns:1fr}}
.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--gap)}
.gallery figure{margin:0}
.gallery button{display:block;width:100%;padding:0;border:1px solid var(--line);background:var(--surface-2);border-radius:var(--r);overflow:hidden;cursor:zoom-in;aspect-ratio:4/5}
.gallery img{width:100%;height:100%;object-fit:cover}
.gallery figcaption{font:italic var(--fs-1)/1.4 var(--serif);color:var(--ink-2);margin-top:.5rem}
footer{border-top:1px solid var(--line);padding-block:2.4rem 4rem;font:var(--fs-0)/1.7 var(--sans);color:var(--ink-3)}
footer .wrap{display:flex;flex-wrap:wrap;gap:1rem 3rem;justify-content:space-between}

/* lightbox + palette + agent dock */
dialog{border:1px solid var(--line-2);background:var(--surface);color:var(--ink);border-radius:var(--r);padding:0;box-shadow:var(--shadow)}
dialog::backdrop{background:rgba(7,14,20,.66);backdrop-filter:blur(3px)}
#lightbox{max-width:min(96vw,1400px);max-height:94vh;background:transparent;border:0;box-shadow:none}
#lightbox img{max-width:96vw;max-height:88vh;margin:auto;border-radius:var(--r);background:#fff}
#lightbox p{color:#fff;text-align:center;font:var(--fs-1)/1.4 var(--sans);margin:.6rem 0 0}
#palette{width:min(640px,94vw);margin:8vh auto auto;overflow:hidden}
#palette input{width:100%;border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--ink);padding:1rem 1.1rem;font:400 1.05rem var(--sans);outline:none}
#palette ul{list-style:none;margin:0;padding:.3rem;max-height:56vh;overflow:auto}
#palette li{display:grid;grid-template-columns:auto 1fr auto;gap:.7rem;align-items:center;padding:.6rem .7rem;border-radius:4px;cursor:pointer;font:var(--fs-1)/1.35 var(--sans)}
#palette li[aria-selected="true"]{background:var(--brand-wash)}
#palette li small{color:var(--ink-3)}
#palette .foot{padding:.5rem .9rem;border-top:1px solid var(--line);font:var(--fs-0) var(--sans);color:var(--ink-3);display:flex;gap:1rem}

.fab{position:fixed;right:1.1rem;bottom:1.1rem;z-index:50;display:flex;align-items:center;gap:.55rem;padding:.8rem 1.1rem;border-radius:999px;border:0;background:var(--ink);color:var(--bg);font:500 var(--fs-1)/1 var(--sans);cursor:pointer;box-shadow:0 10px 30px -8px rgba(0,0,0,.5)}
.fab:hover{background:var(--brand)}
:root[data-theme="dark"] .fab:hover{color:#04131C}
.dock{position:fixed;z-index:60;right:0;top:0;bottom:0;width:min(460px,100vw);background:var(--surface);border-left:1px solid var(--line-2);box-shadow:var(--shadow);display:none;flex-direction:column;font-family:var(--sans)}
.dock.open{display:flex}
.dock header{display:flex;align-items:center;gap:.6rem;padding:.7rem .9rem;border-bottom:1px solid var(--line)}
.dock header h2{font:600 var(--fs-1)/1.2 var(--sans);margin:0;flex:1}
.dock header .mode{font:500 .72rem/1 var(--sans);padding:.3rem .5rem;border-radius:3px;background:var(--surface-2);color:var(--ink-2)}
.dock .msgs{flex:1;overflow:auto;padding:1rem .9rem;display:flex;flex-direction:column;gap:.9rem;scroll-behavior:smooth}
.msg{max-width:100%;font:var(--fs-1)/1.55 var(--serif)}
.msg.user{align-self:flex-end;background:var(--ink);color:var(--bg);padding:.55rem .8rem;border-radius:10px 10px 2px 10px;font-family:var(--sans);max-width:88%}
.msg.bot p{margin:0 0 .7em}
.msg.bot ul,.msg.bot ol{padding-left:1.2rem;margin:0 0 .7em}
.msg.bot code{font:.88em ui-monospace,Menlo,monospace;background:var(--surface-2);padding:.08em .3em;border-radius:3px}
.msg.bot .katex{font-size:1em}
.msg .tool{font:var(--fs-0)/1.4 var(--sans);color:var(--ink-3);border:1px dashed var(--line-2);border-radius:var(--r);padding:.35rem .55rem;margin:0 0 .5rem;display:block}
.msg .tool b{color:var(--ink-2);font-weight:500}
.msg .err{color:var(--st-na);font-family:var(--sans)}
.msg .cursor::after{content:"▍";animation:blink 1s steps(2) infinite;color:var(--brand)}
@keyframes blink{50%{opacity:0}}
.dock form{display:flex;gap:.5rem;padding:.7rem .9rem;border-top:1px solid var(--line)}
.dock textarea{flex:1;resize:none;border:1px solid var(--line-2);background:var(--bg);color:var(--ink);border-radius:var(--r);padding:.6rem .7rem;font:var(--fs-1)/1.4 var(--sans);max-height:8rem}
.dock .starters{display:flex;flex-wrap:wrap;gap:.4rem}
.dock .settings{border-bottom:1px solid var(--line);padding:.8rem .9rem;display:none;gap:.6rem;font:var(--fs-0)/1.4 var(--sans)}
.dock .settings.open{display:grid}
.dock .settings label{display:grid;gap:.25rem;color:var(--ink-2)}
.dock .settings input,.dock .settings select{border:1px solid var(--line-2);background:var(--bg);color:var(--ink);border-radius:var(--r);padding:.5rem;font:var(--fs-1) var(--sans)}
.dock .settings [hidden]{display:none}
.dock .settings label.chk{display:flex;align-items:center;gap:.5rem}
.dock .settings p{margin:0;color:var(--ink-3)}
@media (max-width:640px){.dock{width:100vw}.fab span{display:none}.fab{padding:.9rem}}
@media print{.bar,.fab,.dock,.scopus .frame .zoom{display:none!important}body{background:#fff}}