/* Research Portal — styles. Fonts are bundled (no external requests). */
@font-face{font-family:'Plex';font-weight:400;font-display:swap;src:url(../fonts/ibm-plex-sans-latin-400-normal.woff2) format('woff2')}
@font-face{font-family:'Plex';font-weight:500;font-display:swap;src:url(../fonts/ibm-plex-sans-latin-500-normal.woff2) format('woff2')}
@font-face{font-family:'Plex';font-weight:600;font-display:swap;src:url(../fonts/ibm-plex-sans-latin-600-normal.woff2) format('woff2')}
@font-face{font-family:'PlexMono';font-weight:400;font-display:swap;src:url(../fonts/ibm-plex-mono-latin-400-normal.woff2) format('woff2')}
@font-face{font-family:'PlexMono';font-weight:500;font-display:swap;src:url(../fonts/ibm-plex-mono-latin-500-normal.woff2) format('woff2')}
@font-face{font-family:'Serif4';font-weight:400;font-display:swap;src:url(../fonts/source-serif-4-latin-400-normal.woff2) format('woff2')}
@font-face{font-family:'Serif4';font-weight:400;font-style:italic;font-display:swap;src:url(../fonts/source-serif-4-latin-400-italic.woff2) format('woff2')}
@font-face{font-family:'Serif4';font-weight:600;font-display:swap;src:url(../fonts/source-serif-4-latin-600-normal.woff2) format('woff2')}
@font-face{font-family:'Serif4';font-weight:700;font-display:swap;src:url(../fonts/source-serif-4-latin-700-normal.woff2) format('woff2')}

:root{
  --bg:#f5f4ef; --surface:#ffffff; --surface-2:#faf9f5; --ink:#161a2c; --ink-2:#3a3f55; --muted:#666c80; --line:#e2e0d7; --line-2:#ecebe4;
  --accent:#c47414; --accent-2:#f3a63b; --accent-soft:#fbefdc; --link:#2a55c9; --link-soft:#e8eefc;
  --navy:#0d1430; --navy-2:#162050; --side-ink:#c9d2ef; --side-muted:#7d89b3;
  --ok:#1d7f48; --ok-soft:#e3f4ea; --warn:#9a6411; --warn-soft:#fbf0d9; --err:#b42b2b; --err-soft:#fbe5e5;
  --shadow:0 1px 2px rgba(20,24,40,.05),0 4px 16px rgba(20,24,40,.05);
  --radius:10px; --font:'Plex',system-ui,-apple-system,'Segoe UI',sans-serif; --serif:'Serif4',Georgia,'Times New Roman',serif; --mono:'PlexMono',ui-monospace,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0b0f1d; --surface:#131a2d; --surface-2:#0f1526; --ink:#e6e9f3; --ink-2:#c3c9da; --muted:#8e97b2; --line:#253052; --line-2:#1c2542;
  --accent:#f0a23a; --accent-2:#ffc46e; --accent-soft:#2b2214; --link:#86a8ff; --link-soft:#1a2547;
  --navy:#060914; --navy-2:#111a3a; --ok:#4cc483; --ok-soft:#10291c; --warn:#e8b25b; --warn-soft:#2c2412; --err:#f07a7a; --err-soft:#2e1517;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 6px 20px rgba(0,0,0,.25); color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0b0f1d; --surface:#131a2d; --surface-2:#0f1526; --ink:#e6e9f3; --ink-2:#c3c9da; --muted:#8e97b2; --line:#253052; --line-2:#1c2542;
  --accent:#f0a23a; --accent-2:#ffc46e; --accent-soft:#2b2214; --link:#86a8ff; --link-soft:#1a2547;
  --navy:#060914; --navy-2:#111a3a; --ok:#4cc483; --ok-soft:#10291c; --warn:#e8b25b; --warn-soft:#2c2412; --err:#f07a7a; --err-soft:#2e1517;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 6px 20px rgba(0,0,0,.25); color-scheme:dark}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 var(--font)}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.2;margin:0 0 .5em;letter-spacing:-.005em}
h1{font-size:1.85rem} h2{font-size:1.4rem} h3{font-size:1.12rem} h4{font-size:1rem}
p{margin:0 0 .9em}
code,kbd,pre,.mono{font-family:var(--mono);font-size:.9em}
pre{background:var(--surface-2);border:1px solid var(--line);border-radius:8px;padding:12px;overflow:auto}
hr{border:0;border-top:1px solid var(--line);margin:22px 0}
.ic{flex:none;vertical-align:-3px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;z-index:99;background:#fff;padding:6px 10px}
.muted{color:var(--muted)} .small{font-size:.86rem} .tiny{font-size:.78rem} .nowrap{white-space:nowrap} .right{text-align:right} .center{text-align:center}
.mt0{margin-top:0}.mt{margin-top:16px}.mb0{margin-bottom:0}.mb{margin-bottom:16px}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap} .row.between{justify-content:space-between} .grow{flex:1 1 auto}
.stack>*+*{margin-top:12px}

/* ---------- app shell ---------- */
.shell{display:flex;min-height:100vh}
.side{width:252px;flex:none;background:var(--navy);color:var(--side-ink);position:sticky;top:0;height:100vh;overflow-y:auto;display:flex;flex-direction:column;
  background-image:radial-gradient(1px 1px at 30px 40px,#ffffff55 50%,transparent 51%),radial-gradient(1px 1px at 180px 90px,#ffffff40 50%,transparent 51%),radial-gradient(1.4px 1.4px at 120px 300px,#ffd27a66 50%,transparent 51%),radial-gradient(1px 1px at 60px 520px,#ffffff40 50%,transparent 51%),radial-gradient(1px 1px at 210px 700px,#ffffff33 50%,transparent 51%)}
.side .brand{display:flex;gap:10px;align-items:center;padding:16px 16px 12px;color:#fff;text-decoration:none}
.side .brand b{display:block;font-family:var(--serif);font-size:.98rem;line-height:1.2;font-weight:600}
.side .brand small{color:var(--side-muted);font-size:.75rem}
.side nav{padding:4px 10px 16px;flex:1}
.nav-h{font-size:.68rem;text-transform:uppercase;letter-spacing:.12em;color:var(--side-muted);margin:16px 8px 6px}
.side nav a{display:flex;gap:10px;align-items:center;padding:7px 10px;border-radius:8px;color:var(--side-ink);font-size:.9rem;text-decoration:none}
.side nav a:hover{background:#ffffff10;color:#fff}
.side nav a.on{background:linear-gradient(90deg,#f3a63b26,#f3a63b08);color:#fff;box-shadow:inset 3px 0 0 var(--accent-2)}
.side nav a.on .ic{color:var(--accent-2)}
.side-foot{padding:12px 18px;border-top:1px solid #ffffff14;font-size:.82rem}
.side-foot a{color:var(--side-muted)}
.side-scrim{display:none}
.main-col{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:12px;padding:10px 24px;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.search{flex:1;max-width:520px;display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:9px;padding:0 10px;color:var(--muted)}
.search input{border:0!important;background:none!important;outline:none!important;padding:8px 0!important;flex:1;color:var(--ink);font:inherit}
.top-actions{margin-left:auto;display:flex;align-items:center;gap:6px}
.who{display:flex;gap:8px;align-items:center;color:var(--ink);padding:4px 8px;border-radius:9px;text-decoration:none!important}
.who:hover{background:var(--surface)}
.who b{display:block;font-size:.86rem;line-height:1.1;font-weight:500}.who small{color:var(--muted);font-size:.74rem}
.av{width:30px;height:30px;border-radius:50%;background:var(--navy-2);color:#ffd27a;display:grid;place-items:center;font-weight:600;font-size:.85rem}
.icon-btn{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:9px;border:1px solid transparent;background:none;color:var(--ink-2);cursor:pointer}
.icon-btn:hover{background:var(--surface);border-color:var(--line)}
.content{padding:24px 28px 40px;max-width:1240px;width:100%}
.content.wide{max-width:none}
.app-foot{margin-top:auto;display:flex;gap:18px;flex-wrap:wrap;padding:14px 28px;border-top:1px solid var(--line);color:var(--muted);font-size:.8rem}
.counter{color:var(--muted)}
.only-phone{display:none}

/* ---------- page header ---------- */
.ph{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.ph h1{margin:0}
.ph .eyebrow{font:500 .74rem/1 var(--font);letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}
.ph p{margin:6px 0 0;color:var(--muted)}
.crumbs{font-size:.84rem;color:var(--muted);margin-bottom:6px}

/* ---------- cards & grids ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}
.card>h2,.card>h3{margin-top:0}
.card-h{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:-2px 0 12px}
.card-h h2,.card-h h3{margin:0}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g-side{grid-template-columns:minmax(0,1fr) 340px}
.stat{padding:16px 18px}
.stat .n{font:600 1.9rem/1.1 var(--serif)}
.stat .l{color:var(--muted);font-size:.84rem}
.stat .s{font-size:.8rem;color:var(--muted);margin-top:4px}
.stat.accent{border-top:3px solid var(--accent)}

/* ---------- buttons & forms ---------- */
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:8px;border:1px solid var(--navy-2);background:var(--navy-2);color:#fff;font:500 .9rem var(--font);cursor:pointer;text-decoration:none!important;white-space:nowrap}
.btn:hover{filter:brightness(1.12)}
.btn.accent{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{background:var(--surface)}
.btn.danger{background:transparent;color:var(--err);border-color:color-mix(in srgb,var(--err) 40%,transparent)}
.btn.sm{padding:5px 10px;font-size:.82rem}
.btn:disabled{opacity:.5;cursor:not-allowed}
:root[data-theme="dark"] .btn:not(.ghost):not(.danger):not(.accent){background:#2a3a78;border-color:#2a3a78}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn:not(.ghost):not(.danger):not(.accent){background:#2a3a78;border-color:#2a3a78}}
.linkbtn{background:none;border:0;color:var(--link);cursor:pointer;font:inherit;padding:0}
form.form{display:grid;gap:14px}
.f{display:grid;gap:5px}
.f>label,.lbl{font-weight:500;font-size:.86rem;color:var(--ink-2)}
.f .hint{font-size:.78rem;color:var(--muted)}
input:not([type]),input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=url],input[type=search],input[type=datetime-local],input[type=time],select,textarea{
  width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);font:inherit;font-size:.92rem}
textarea{min-height:90px;resize:vertical;line-height:1.5}
input:focus,select:focus,textarea:focus{outline:2px solid color-mix(in srgb,var(--link) 35%,transparent);outline-offset:0;border-color:var(--link)}
.fr{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
.check{display:flex;gap:8px;align-items:flex-start;font-size:.9rem}
.check input{margin-top:3px}
.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

/* ---------- tables ---------- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
table.tbl{width:100%;border-collapse:collapse;font-size:.9rem}
.tbl th{text-align:left;font-weight:600;font-size:.76rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);background:var(--surface-2);padding:9px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl td{padding:9px 12px;border-bottom:1px solid var(--line-2);vertical-align:top}
.tbl tr:last-child td{border-bottom:0}
.tbl tr:hover td{background:color-mix(in srgb,var(--surface-2) 70%,transparent)}
.tbl td.num,.tbl th.num{text-align:right;font-variant-numeric:tabular-nums}
.tbl .t{font-weight:500;color:var(--ink)}

/* ---------- pills, flash, empty ---------- */
.pill{display:inline-block;padding:2px 9px;border-radius:99px;font-size:.74rem;font-weight:500;background:var(--line-2);color:var(--ink-2);white-space:nowrap}
.pill.green{background:var(--ok-soft);color:var(--ok)}.pill.amber{background:var(--warn-soft);color:var(--warn)}.pill.blue{background:var(--link-soft);color:var(--link)}.pill.red{background:var(--err-soft);color:var(--err)}.pill.grey{background:var(--line-2);color:var(--muted)}
.tag{display:inline-block;padding:1px 8px;border:1px solid var(--line);border-radius:6px;font-size:.75rem;color:var(--muted);margin:0 4px 4px 0}
.flash{margin:0 0 14px;padding:10px 14px;border-radius:9px;border:1px solid;font-size:.92rem}
.flash.ok{background:var(--ok-soft);color:var(--ok);border-color:color-mix(in srgb,var(--ok) 30%,transparent)}
.flash.err{background:var(--err-soft);color:var(--err);border-color:color-mix(in srgb,var(--err) 30%,transparent)}
.flash.warn{background:var(--warn-soft);color:var(--warn);border-color:color-mix(in srgb,var(--warn) 30%,transparent)}
.note{padding:10px 14px;border-radius:9px;background:var(--link-soft);color:var(--ink-2);font-size:.88rem;border:1px solid color-mix(in srgb,var(--link) 20%,transparent)}
.note.warn{background:var(--warn-soft);border-color:color-mix(in srgb,var(--warn) 25%,transparent)}
.empty{text-align:center;padding:40px 20px;color:var(--muted);border:1px dashed var(--line);border-radius:var(--radius);background:var(--surface)}
.empty h3{color:var(--ink)}
.bar{height:6px;background:var(--line-2);border-radius:9px;overflow:hidden}
.bar>i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2));border-radius:9px}

/* ---------- tabs ---------- */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px;overflow-x:auto}
.tabs a,.tabs button{padding:9px 14px;border:0;background:none;color:var(--muted);font:500 .9rem var(--font);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap;text-decoration:none}
.tabs .on{color:var(--ink);border-bottom-color:var(--accent)}
[data-pane]:not(.on){display:none}

/* ---------- dialog ---------- */
dialog{border:1px solid var(--line);border-radius:12px;padding:0;background:var(--surface);color:var(--ink);box-shadow:0 20px 60px rgba(0,0,0,.3);width:min(640px,94vw);max-height:90vh}
dialog::backdrop{background:rgba(10,14,30,.5)}
.dlg-h{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line)}
.dlg-h h3{margin:0}
.dlg-b{padding:16px 18px;overflow:auto;max-height:calc(90vh - 130px)}
.dlg-f{padding:12px 18px;border-top:1px solid var(--line);display:flex;gap:10px;justify-content:flex-end}

/* ---------- public site ---------- */
.pub-head{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.pub-in{max-width:1180px;margin:0 auto;padding:0 22px;display:flex;align-items:center;gap:16px;min-height:64px}
.pub-head .brand{display:flex;gap:10px;align-items:center;color:var(--ink);text-decoration:none}
.pub-head .brand b{display:block;font-family:var(--serif);font-size:1.02rem;line-height:1.15}
.pub-head .brand small{color:var(--muted);font-size:.76rem}
.pub-nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.pub-nav>a:not(.btn){padding:7px 11px;border-radius:8px;color:var(--ink-2);font-size:.92rem}
.pub-nav>a.on{color:var(--ink);background:var(--surface);box-shadow:inset 0 -2px 0 var(--accent)}
.pub-main{max-width:1180px;margin:0 auto;padding:26px 22px 50px}
.pub-foot{border-top:1px solid var(--line);background:var(--surface-2);color:var(--muted);font-size:.85rem}
.pub-foot .pub-in{padding:22px;justify-content:space-between;flex-wrap:wrap;align-items:flex-start}
.pub-foot b{color:var(--ink);font-family:var(--serif)}
.pf-r{text-align:right}
.hero{position:relative;overflow:hidden;border-radius:16px;background:radial-gradient(ellipse at 78% 30%,#2a3c86 0%,#0d1430 55%,#070b1c 100%);color:#e9ecf8;padding:56px 48px;margin-bottom:28px}
.hero canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.9}
.hero>*:not(canvas){position:relative}
.hero .eyebrow{font:500 .76rem/1 var(--font);letter-spacing:.16em;text-transform:uppercase;color:#ffc46e;margin-bottom:14px}
.hero h1{font-size:clamp(1.8rem,3.6vw,2.9rem);color:#fff;max-width:780px;margin-bottom:14px}
.hero p{max-width:640px;color:#c7cfea;font-size:1.04rem}
.hero .meta{display:flex;gap:18px;flex-wrap:wrap;color:#aeb8de;font-size:.88rem;margin-top:22px}
.hero .meta b{color:#fff;font-weight:500}
.section-t{display:flex;justify-content:space-between;align-items:baseline;margin:34px 0 14px}
.section-t h2{margin:0}
.prose{font-family:var(--serif);font-size:1.06rem;line-height:1.7;color:var(--ink-2)}
.prose h2,.prose h3{color:var(--ink)}
.obj-list{counter-reset:o;list-style:none;padding:0;margin:0;display:grid;gap:10px}
.obj-list li{counter-increment:o;position:relative;padding:12px 14px 12px 52px;background:var(--surface);border:1px solid var(--line);border-radius:10px}
.obj-list li::before{content:"RO" counter(o);position:absolute;left:12px;top:12px;font:600 .74rem var(--mono);color:var(--accent);background:var(--accent-soft);padding:2px 5px;border-radius:5px}
.pub-list .item{padding:16px 0;border-bottom:1px solid var(--line)}
.pub-list .item h3{margin:0 0 4px}
.timeline{position:relative;margin:0;padding:0 0 0 22px;list-style:none}
.timeline::before{content:"";position:absolute;left:6px;top:4px;bottom:4px;width:2px;background:var(--line)}
.timeline li{position:relative;padding:0 0 18px 10px}
.timeline li::before{content:"";position:absolute;left:-21px;top:5px;width:12px;height:12px;border-radius:50%;background:var(--surface);border:2px solid var(--line)}
.timeline li.done::before{background:var(--ok);border-color:var(--ok)}
.timeline li.now::before{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
.timeline li.key b{font-family:var(--serif)}

/* ---------- auth ---------- */
.auth{min-height:calc(100vh - 220px);display:grid;place-items:center}
.auth .card{width:min(420px,100%);padding:26px}

/* ---------- paper typography (view, print, editor content) ---------- */
.paper{font-family:var(--serif);font-size:1.04rem;line-height:1.65;color:var(--ink);max-width:820px;margin:0 auto;background:var(--surface);padding:48px 56px;border:1px solid var(--line);border-radius:6px;box-shadow:var(--shadow)}
.paper h1.p-title{font-size:1.9rem;text-align:center;margin-bottom:10px}
.paper .p-sub{text-align:center;color:var(--muted);font-style:italic;margin-top:-4px}
.paper .p-authors{text-align:center;font-size:1rem}
.paper .p-aff{text-align:center;font-size:.86rem;color:var(--muted);white-space:pre-line;margin-bottom:18px}
.paper .p-abstract{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 0;margin:18px 0;font-size:.96rem}
.paper .p-abstract b{font-variant:small-caps}
.paper h2{font-size:1.25rem;margin:1.6em 0 .6em}
.paper h3{font-size:1.08rem;margin:1.2em 0 .5em}
.paper p{text-align:justify;hyphens:auto}
.paper table{border-collapse:collapse;margin:14px auto;font-size:.92rem}
.paper table td,.paper table th{border:1px solid var(--line);padding:5px 9px}
.paper figure{margin:20px auto;text-align:center}
.paper figure img,.paper figure svg{max-width:100%;height:auto}
.paper figcaption{font-size:.88rem;color:var(--ink-2);margin-top:6px}
.paper .eq{display:flex;align-items:center;margin:14px 0}
.paper .eq .eq-body{flex:1;min-width:0;text-align:center;overflow-x:auto;overflow-y:hidden}
.paper .eq .eq-no{font-size:.95rem;flex:none;margin-left:10px}
#czTitle{min-width:min(720px,58vw);font-size:1.6rem!important}
.paper .cite{color:var(--link);white-space:nowrap}
.paper .cite.missing{color:var(--err);background:var(--err-soft);border-radius:3px;padding:0 3px}
.paper .refs{font-size:.9rem}
.paper .refs li{margin-bottom:6px;padding-left:4px;text-align:left}
.paper .refs.ieee{list-style:none;padding:0}
.paper .refs.ieee li{display:grid;grid-template-columns:38px 1fr}
.paper .refs.author li{padding-left:2em;text-indent:-2em;list-style:none}
.paper .refs.author{padding:0}
.paper .xref{color:var(--link)}
.paper .xref.missing{color:var(--err)}
.paper .s-heading .s-no{margin-right:.5em}

/* ---------- editor ---------- */
.ed-layout{display:grid;grid-template-columns:240px minmax(0,1fr) 320px;gap:16px;align-items:start}
.ed-outline{position:sticky;top:70px}
.ed-outline ol{list-style:none;padding:0;margin:0}
.ed-outline li{display:flex;align-items:center;gap:6px;padding:6px 8px;border-radius:7px;cursor:pointer;font-size:.88rem}
.ed-outline li:hover{background:var(--surface)}
.ed-outline li.on{background:var(--surface);box-shadow:inset 3px 0 0 var(--accent)}
.ed-outline li .wc{margin-left:auto;font-size:.72rem;color:var(--muted)}
.ed-outline li .grip{cursor:grab;color:var(--muted)}
.ed-main .ck-editor__editable{min-height:420px;font-family:var(--serif);font-size:1.02rem;line-height:1.65}
input.sec-head{font:600 1.2rem var(--serif)!important;border:0!important;background:none!important;padding:6px 0;width:100%;color:var(--ink);outline:none}
.row .sec-head{flex:1;min-width:0;width:auto}
.ed-main,.ed-side,.ed-side>.card{min-width:0}
#prevBox{overflow-x:auto;max-width:100%}
.ed-side .tabs button{padding:8px 9px;font-size:.84rem}
.ed-tools{display:flex;gap:6px;flex-wrap:wrap;margin:8px 0}
.ed-side{position:sticky;top:70px;display:grid;gap:12px;max-height:calc(100vh - 90px);overflow:auto}
.savestate{font-size:.8rem;color:var(--muted)}
.savestate.dirty{color:var(--warn)} .savestate.err{color:var(--err)}
.comment{border-left:3px solid var(--line);padding:4px 0 4px 10px;margin-bottom:10px;font-size:.86rem}
.comment.resolved{opacity:.55}
.comment .who-l{font-weight:500}
.comment blockquote{margin:4px 0;color:var(--muted);font-style:italic;border-left:2px solid var(--accent-2);padding-left:6px}
.pick-list{max-height:320px;overflow:auto;border:1px solid var(--line);border-radius:8px}
.pick-list label{display:flex;gap:8px;padding:8px 10px;border-bottom:1px solid var(--line-2);cursor:pointer;font-size:.88rem}
.pick-list label:hover{background:var(--surface-2)}
.ck.ck-editor__main>.ck-editor__editable{background:var(--surface)!important;color:var(--ink)}
:root[data-theme="dark"] .ck.ck-toolbar,:root[data-theme="dark"] .ck.ck-editor__main>.ck-editor__editable{background:var(--surface)!important;color:var(--ink)!important;border-color:var(--line)!important}
:root[data-theme="dark"] .ck.ck-button{color:var(--ink)!important}

/* ---------- data workbench ---------- */
.ws{display:grid;grid-template-columns:300px minmax(0,1fr);gap:16px;align-items:start}
.ws-ctl{position:sticky;top:70px}
.chart-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:10px}
.chart-box svg{width:100%;height:auto;display:block}
.kv{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;font-size:.88rem}
.kv dt{color:var(--muted)} .kv dd{margin:0;font-variant-numeric:tabular-nums;font-family:var(--mono);font-size:.84rem}
.data-grid{max-height:420px;overflow:auto}
.data-grid table{font-family:var(--mono);font-size:.8rem}
.data-grid td{padding:4px 10px!important}

/* ---------- circuit editor ---------- */
.cz{display:grid;grid-template-columns:200px minmax(0,1fr) 280px;gap:14px;align-items:start}
.cz-pal{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.cz-pal button{display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 4px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);font:500 .72rem var(--font);cursor:pointer}
.cz-pal button svg{width:44px;height:26px}
.cz-pal button:hover,.cz-pal button.on{border-color:var(--accent);background:var(--accent-soft)}
.cz-stage{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;position:relative;touch-action:none}
.cz-stage svg{display:block;width:100%;height:560px;cursor:crosshair}
.cz-stage .grid-dot{fill:var(--line)}
.cz-tools{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}
.cz-sym{stroke:var(--ink);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.cz-comp.sel .cz-sym{stroke:var(--accent)}
.cz-wire{stroke:#2f6fd8;stroke-width:2.2;fill:none}
.cz-wire.sel{stroke:var(--accent);stroke-width:3}
.cz-pin{fill:var(--surface);stroke:#2f6fd8;stroke-width:1.5}
.cz-pin.hot{fill:#2f6fd8}
.cz-label{font:12px var(--mono);fill:var(--ink-2)}
.cz-node{font:600 11px var(--mono);fill:var(--accent)}
.cz-junction{fill:#2f6fd8}
.res-tbl td{font-family:var(--mono);font-size:.82rem}

/* ---------- calculators ---------- */
.calc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:14px}
.calc-card{display:block;padding:18px;color:var(--ink);text-decoration:none!important}
.calc-card:hover{border-color:var(--accent)}
.calc-card .ic-wrap{width:40px;height:40px;border-radius:10px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;margin-bottom:10px}
.calc{display:grid;grid-template-columns:minmax(0,380px) minmax(0,1fr);gap:16px;align-items:start}
.out-big{font:600 2rem/1.1 var(--serif)}
.out-row{display:flex;justify-content:space-between;gap:10px;padding:7px 0;border-bottom:1px solid var(--line-2);font-size:.92rem}
.out-row span:last-child{font-family:var(--mono);font-size:.86rem;text-align:right}
.formula{font-size:.86rem;color:var(--muted);background:var(--surface-2);padding:8px 10px;border-radius:8px;overflow-x:auto}

/* ---------- map ---------- */
.map{height:520px;border-radius:var(--radius);border:1px solid var(--line);overflow:hidden;background:#dfe7ef}
.leaflet-container{font:inherit}

/* ---------- gantt ---------- */
.gantt{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
.gantt svg text{font:12px var(--font);fill:var(--ink-2)}
.gantt .g-today{stroke:var(--err);stroke-dasharray:4 3}

/* ---------- misc ---------- */
.dropzone{border:2px dashed var(--line);border-radius:var(--radius);padding:22px;text-align:center;color:var(--muted);background:var(--surface-2)}
.dropzone.over{border-color:var(--accent);background:var(--accent-soft)}
.fig-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.fig-card{padding:10px}
.fig-card .thumb{height:150px;display:grid;place-items:center;background:var(--surface-2);border-radius:8px;overflow:hidden;margin-bottom:8px}
.fig-card .thumb img,.fig-card .thumb svg{max-width:100%;max-height:150px}
.spark{display:block}
.kbd{border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;padding:0 5px;font:.78rem var(--mono)}
.stars{color:var(--accent-2);letter-spacing:1px}
.ref-line{font-size:.9rem}
.ref-line .k{font-family:var(--mono);font-size:.78rem;color:var(--accent)}
.matrix td{min-width:180px;font-size:.84rem}
.matrix td:first-child{min-width:220px}
.matrix textarea{min-height:70px;font-size:.84rem}

@media (max-width:1180px){.ed-layout{grid-template-columns:200px minmax(0,1fr)}.ed-side{grid-column:1/-1;position:static;max-height:none}.cz{grid-template-columns:170px minmax(0,1fr)}.cz-props{grid-column:1/-1}}
@media (max-width:960px){
  .g4{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(2,minmax(0,1fr))}.g-side{grid-template-columns:1fr}
  .ws,.calc{grid-template-columns:1fr}.ws-ctl{position:static}
}
@media (max-width:820px){
  .only-phone{display:inline-grid}
  .side{position:fixed;left:0;top:0;z-index:50;transform:translateX(-100%);transition:transform .2s}
  body.side-open .side{transform:none}
  body.side-open .side-scrim{display:block;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:40}
  .topbar{padding:8px 12px}
  .who-t{display:none}
  .content{padding:16px 16px 30px}
  .ed-layout,.cz{grid-template-columns:1fr}.ed-outline{position:static}
  .pub-nav{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;background:var(--surface);border-bottom:1px solid var(--line);padding:10px}
  body.pubnav-open .pub-nav{display:flex}
  .pub-head .only-phone{margin-left:auto}
  .hero{padding:34px 22px}
  .paper{padding:24px 18px}
  .cz-stage svg{height:440px}
}
@media (max-width:560px){.g2,.g3,.g4{grid-template-columns:1fr}.search{display:none}.pf-r{text-align:left}.map{height:380px}}

@media print{
  .side,.topbar,.app-foot,.pub-head,.pub-foot,.no-print,.flash{display:none!important}
  body{background:#fff;color:#000}
  .content,.pub-main{padding:0;max-width:none}
  .paper{border:0;box-shadow:none;padding:0;max-width:none;color:#000;font-size:11pt}
  .paper h2{page-break-after:avoid}
  .paper figure{page-break-inside:avoid}
  a{color:#000}
}