/* FormulationIQ Framing Agent: two-layer UI */
:root{
  --bg:#f4f7f6; --surface:#ffffff; --surface-2:#f8faf9; --surface-3:#e7edec;
  --ink:#182a2c; --ink-2:#3d4e4f; --muted:#5a6b6c; --faint:#6b7b7b;
  --line:#dbe4e2; --line-2:#cdd8d6;
  --accent:#0b6b62; --accent-hover:#084e48; --accent-soft:#e4f4f0; --accent-ink:#0b6b62; --on-accent:#ffffff;
  --head:#0b5f57;
  --found-bg:#e7edec; --found-ink:#2b3c3d; --lever-bg:#fdf0dc; --lever-ink:#7a4a06;
  --var-bg:#e4f3d4; --var-ink:#2f5d10;
  --add-bg:#e6edfd; --add-ink:#1d4ed8; --add-row:#f4f7fe;
  --miss-ink:#a3201b; --miss-line:#d99a96; --miss-row:#fdf6f5;
  --warn-bg:#fff7e8; --warn-line:#efcf95; --warn-ink:#4a3200;
  --danger:#b4231f;
  --shadow:0 1px 2px rgba(16,32,36,.05),0 10px 28px rgba(16,32,36,.06);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0e1517; --surface:#152020; --surface-2:#1a2626; --surface-3:#223130;
  --ink:#e7eeec; --ink-2:#c8d4d2; --muted:#9db0ad; --faint:#8a9c9a;
  --line:#2a3a38; --line-2:#364a47;
  --accent:#19b6a0; --accent-hover:#3fd0ba; --accent-soft:#113029; --accent-ink:#5fd8c4; --on-accent:#05201c;
  --head:#123b34;
  --found-bg:#26393a; --found-ink:#d2dedc; --lever-bg:#3a2a12; --lever-ink:#f2c98a;
  --var-bg:#203819; --var-ink:#a8dd86;
  --add-bg:#1b2a4a; --add-ink:#9db8ff; --add-row:#172235;
  --miss-ink:#f19a95; --miss-line:#7a3a37; --miss-row:#2a1716;
  --warn-bg:#2a2112; --warn-line:#53411f; --warn-ink:#f2d6a2;
  --danger:#e9736d;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 28px rgba(0,0,0,.33);
  color-scheme:dark;
}}
:root[data-theme="dark"]{
  --bg:#0e1517; --surface:#152020; --surface-2:#1a2626; --surface-3:#223130;
  --ink:#e7eeec; --ink-2:#c8d4d2; --muted:#9db0ad; --faint:#8a9c9a;
  --line:#2a3a38; --line-2:#364a47;
  --accent:#19b6a0; --accent-hover:#3fd0ba; --accent-soft:#113029; --accent-ink:#5fd8c4; --on-accent:#05201c;
  --head:#123b34;
  --found-bg:#26393a; --found-ink:#d2dedc; --lever-bg:#3a2a12; --lever-ink:#f2c98a;
  --var-bg:#203819; --var-ink:#a8dd86;
  --add-bg:#1b2a4a; --add-ink:#9db8ff; --add-row:#172235;
  --miss-ink:#f19a95; --miss-line:#7a3a37; --miss-row:#2a1716;
  --warn-bg:#2a2112; --warn-line:#53411f; --warn-ink:#f2d6a2;
  --danger:#e9736d;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 28px rgba(0,0,0,.33);
  color-scheme:dark;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font-family:"Google Sans Flex",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:"Google Sans Flex",sans-serif;margin:0;line-height:1.2}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--accent-ink)}
img{max-width:100%}
.mono{font-family:"DM Mono",ui-monospace,Menlo,monospace}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;left:0;top:0}
.muted{color:var(--muted)}

/* header */
header.top{position:sticky;top:0;z-index:30;background:var(--surface);border-bottom:1px solid var(--line)}
.top-in{max-width:1520px;margin:0 auto;padding:10px 24px;display:flex;flex-wrap:wrap;align-items:center;gap:12px 14px}
.vlogo{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink);font-family:"Google Sans Flex",system-ui,sans-serif;font-weight:700;font-size:18px}
.vlogo svg{width:26px;height:26px}
.bdiv{width:1px;height:24px;background:var(--line-2)}
.bname{font-family:"Google Sans Flex",sans-serif;font-weight:700;font-size:16px}
.bname sup{font-size:.6em;color:var(--accent-ink)}
.bname .bsub{font-family:"Google Sans Flex",sans-serif;font-weight:500;font-size:13px;color:var(--muted)}
.sp{flex:1}
.hfield{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.hfield select,.hfield input{border:1px solid var(--line-2);border-radius:8px;padding:8px 10px;background:var(--surface);min-height:40px;font-size:14px;color:var(--ink)}
.hfield input{width:170px}
.cobrand{display:inline-flex;align-items:center;gap:9px;background:#1E2A3A;border:1px solid rgba(255,255,255,.08);border-radius:9px;padding:5px 11px;white-space:nowrap}
.cobrand .cb-l{color:#c3d1d4;font-size:10.5px;font-weight:600;letter-spacing:.5px;text-transform:uppercase}
.cobrand img{height:30px;width:auto;display:block}
.live{width:10px;height:10px;border-radius:999px;background:var(--faint);flex:0 0 auto}
.live.on{background:#16a34a;box-shadow:0 0 0 3px rgba(22,163,74,.18)}
.live.off{background:#d97706}
@media (max-width:760px){.bname .bsub,.cobrand .cb-l{display:none}.hfield input{width:130px}.cobrand img{height:22px}}

/* layout: work on the left, sources on the right */
.shell{max-width:1520px;margin:0 auto;padding:20px 24px 64px;display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:24px;align-items:start}
.wrap{min-width:0;display:flex;flex-direction:column;gap:18px}
@media (max-width:520px){.shell,.top-in{padding-left:16px;padding-right:16px}}

/* sources panel */
.srcp{position:sticky;top:calc(var(--hdr-h,64px) + 16px);max-height:calc(100vh - var(--hdr-h,64px) - 32px);display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);min-width:0}
.srcp-h{display:flex;align-items:baseline;gap:10px;padding:14px 16px 10px;border-bottom:1px solid var(--line)}
.srcp-h h2{font-size:16px}
.srcp-h .muted{font-size:12.5px}
.srcp .srcclose{display:none}
.nw{white-space:nowrap}
.srcb{overflow:auto;padding:14px 16px 18px;display:flex;flex-direction:column;gap:12px;overscroll-behavior:contain}
.srcempty{margin:0;color:var(--muted);font-size:13.5px}
.srcd{display:flex;flex-direction:column;gap:7px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.srcd-h{display:flex;align-items:center;gap:8px}
.srcd h3{font-size:15px;line-height:1.35;overflow-wrap:anywhere}
.srcd p{margin:0;font-size:13.5px;overflow-wrap:anywhere}
.srcd .claim{color:var(--ink);font-weight:500}
.srcd .find{background:var(--surface-2);border:1px solid var(--line);border-radius:8px;padding:8px 10px}
.srcd .nosrc{color:var(--danger);font-weight:600}
.srcd .sm,.srcb .sm{font-size:12px}
.lbl{font-size:11px;font-weight:700;letter-spacing:.4px;text-transform:uppercase;color:var(--muted);margin-top:4px}
.ty{font-size:11.5px;font-weight:600;color:var(--accent-ink);background:var(--accent-soft);border-radius:4px;padding:1px 6px}
.srcd-h .n,.srcrow .n{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 5px;border-radius:5px;background:var(--accent);color:var(--on-accent);font-size:11.5px;font-weight:700;flex:0 0 auto}
.n.pend,.n.todo{background:var(--surface-3);color:var(--muted)}
.n.none{background:transparent;color:var(--muted);outline:1.5px dashed var(--line-2);outline-offset:-1.5px}
.srclinks,.citedfor{margin:0;padding-left:0;list-style:none;display:flex;flex-direction:column;gap:7px;font-size:13.5px}
.srclinks a{display:inline-flex;align-items:baseline;gap:5px;font-weight:600;text-decoration:none;overflow-wrap:anywhere}
.srclinks a:hover{text-decoration:underline}
.srclinks a svg{flex:0 0 auto;position:relative;top:1px}
.srclinks .dom{display:block;font-size:11.5px;color:var(--faint)}
.citedfor li{color:var(--ink-2);font-size:12.5px;padding-left:10px;border-left:2px solid var(--line)}
.srclist-h{font-size:11px;font-weight:700;letter-spacing:.4px;text-transform:uppercase;color:var(--muted)}
.srclist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.srcrow{display:flex;gap:9px;align-items:flex-start;width:100%;text-align:left;background:none;border:0;border-radius:8px;padding:7px 8px;cursor:pointer;color:var(--ink);font-size:13px;line-height:1.35}
.srcrow:hover{background:var(--surface-2)}
.srcrow.on{background:var(--accent-soft)}
.srcrow .tt{min-width:0;overflow-wrap:anywhere;display:flex;flex-direction:column;gap:2px}
.srcrow .ty{align-self:flex-start}
.srcrow:focus-visible,.cite:focus-visible,.std:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.btn.srcfab{display:none}
.srcscrim{display:none}
@media (max-width:1199px){
  .shell{grid-template-columns:minmax(0,1fr)}
  .srcp{position:fixed;top:0;right:0;bottom:0;width:min(420px,100vw);max-height:none;border-radius:0;z-index:46;transform:translateX(102%);transition:transform .2s ease;visibility:hidden}
  .srcp.open{transform:none;visibility:visible}
  .srcp .srcclose{display:inline-flex}
  .btn.srcfab{display:inline-flex;position:fixed;right:16px;bottom:16px;z-index:40;box-shadow:var(--shadow);border-radius:999px}
  .srcscrim{display:block;position:fixed;inset:0;background:rgba(10,20,22,.35);z-index:45}
  .srcscrim[hidden]{display:none}
}
@media (prefers-reduced-motion:reduce){.srcp{transition:none}}

/* superscript citation */
.cite{display:inline-block;vertical-align:super;line-height:1;font-size:10.5px;font-weight:700;font-family:"Google Sans Flex",sans-serif;min-width:15px;padding:2px 4px;margin-left:2px;border:0;border-radius:4px;background:var(--accent-soft);color:var(--accent-ink);cursor:pointer;position:relative;top:-1px}
.cite:hover{background:var(--accent);color:var(--on-accent)}
.cite.on{background:var(--accent);color:var(--on-accent)}
.cite.pend{background:var(--surface-3);color:var(--muted);animation:cp 1.2s ease-in-out infinite}
.cite.todo{background:var(--surface-3);color:var(--muted)}
.cite.none{background:transparent;color:var(--muted);outline:1.2px dashed var(--line-2);outline-offset:-1.2px}
@keyframes cp{50%{opacity:.45}}
@media (prefers-reduced-motion:reduce){.cite.pend{animation:none}}
@media (pointer:coarse){.cite{padding:3px 6px;font-size:11.5px}}
.opt dd.tg .cite{font-family:"Google Sans Flex",sans-serif}
.trow.th .cite{background:rgba(255,255,255,.18);color:#fff}

/* export: chosen specs */
.chosen{display:flex;flex-direction:column;gap:10px}
.chosen:empty{display:none}
.cs{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 14px;display:flex;flex-direction:column;gap:4px;font-size:14px}
.cs-r{font-size:13px}
.cs-d{display:flex;flex-wrap:wrap;gap:4px 16px;font-size:13px;color:var(--ink-2)}

/* steps */
.steps{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.step{border:1px solid var(--line);background:var(--surface);color:var(--ink-2);border-radius:999px;padding:7px 14px;font-weight:600;font-size:13px;cursor:pointer;min-height:36px}
.step .k{opacity:.7;margin-right:4px}
.step .sub{color:var(--faint);font-weight:500;margin-left:4px}
.step.on{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.step.on .sub{color:inherit;opacity:.85}
.step:disabled{opacity:.5;cursor:not-allowed}
.step.done:not(.on){border-color:color-mix(in srgb,var(--accent) 45%,var(--line))}
.sarr{color:var(--line-2);font-weight:700}
.savenote{font-size:12px;color:var(--faint);margin-left:auto}
.savenote.ok{color:var(--accent-ink)}

.resume{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 15px;border:1px solid color-mix(in srgb,var(--accent) 35%,var(--line));background:var(--accent-soft);border-radius:12px}
.resume .rt{flex:1;min-width:220px;font-size:14px}

.view{display:flex;flex-direction:column;gap:18px}
.titlerow{display:flex;flex-wrap:wrap;align-items:flex-end;gap:16px}
.titlerow .tt{flex:1 1 520px;min-width:0}
h1.t{font-size:28px;margin:0 0 4px}
.lede{margin:0;color:var(--muted);max-width:74ch}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;font-weight:600;font-size:14px;border-radius:10px;padding:9px 15px;min-height:40px;cursor:pointer;border:1px solid transparent;text-decoration:none}
.btn:focus-visible,.step:focus-visible,.icon:focus-visible,.li:focus-visible,.prio:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn.primary{background:var(--accent);color:var(--on-accent)}
.btn.primary:hover{background:var(--accent-hover)}
.btn.ghost{background:var(--surface);color:var(--ink);border-color:var(--line-2)}
.btn.ghost:hover{background:var(--surface-2)}
.btn.plain{background:none;color:var(--ink);padding-left:6px;padding-right:6px}
.btn.sm{font-size:13px;padding:7px 12px;min-height:36px;border-radius:8px}
.btn.lg{padding:12px 20px;min-height:46px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.icon{background:none;border:0;color:var(--faint);cursor:pointer;border-radius:6px;padding:6px;display:inline-flex;min-width:32px;min-height:32px;align-items:center;justify-content:center;flex:0 0 auto}
.icon:hover{color:var(--ink);background:var(--surface-3)}

/* cards */
.two{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:18px;align-items:stretch}
#briefBody,#refBody{display:flex;flex-direction:column;gap:14px}
.card > .note:empty{display:none}
.sampleline{font-size:14px;color:var(--ink-2)}
@media (max-width:420px){.two{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px;display:flex;flex-direction:column;gap:14px;box-shadow:var(--shadow);min-width:0}
.cardh{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.cardh h2{font-size:17px}
.pillfile{border:1.5px solid var(--accent);background:var(--accent-soft);border-radius:10px;padding:12px 14px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.pillfile .nm{font-weight:600;word-break:break-word}
.pillfile .ds{font-size:13px;color:var(--muted)}
.drop{border:1.5px dashed var(--line-2);border-radius:12px;padding:22px;text-align:center;color:var(--muted);font-size:14px;cursor:pointer;background:var(--surface)}
.drop:hover,.drop.over,.drop:focus-visible{border-color:var(--accent);background:var(--accent-soft);outline:none}
.drop b{color:var(--ink)}
.briefgrid{display:grid;grid-template-columns:170px minmax(0,1fr);gap:2px 14px;font-size:14px}
.briefgrid .nd{font-weight:600;padding-top:6px}
.bline{display:flex;align-items:flex-start;gap:6px;color:var(--ink-2)}
.bline .tx{flex:1;min-width:0;padding-top:5px}
@media (max-width:560px){.briefgrid{grid-template-columns:1fr}.briefgrid .nd{padding-top:10px}}
.addline{display:flex;flex-wrap:wrap;gap:8px;padding-top:14px;border-top:1px solid var(--line)}
.addline .alh{flex:1 1 100%;font-size:12px;font-weight:600;letter-spacing:.4px;text-transform:uppercase;color:var(--muted)}
.addline #alNeed{flex:1 1 170px}
.addline #alExp{flex:2 1 220px}
.addline input{flex:1 1 160px;min-width:0;border:1px solid var(--line-2);border-radius:8px;padding:8px 10px;min-height:40px;background:var(--surface)}
.stats3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.stat{background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.stat .v{font-family:"Google Sans Flex",sans-serif;font-size:24px;font-weight:700}
.stat .l{font-size:12px;color:var(--muted)}
.lock{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink-2);background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.lock svg{flex:0 0 auto;margin-top:2px}
.note{font-size:13px;min-height:1.2em;color:var(--muted)}
.note.err{color:var(--danger)} .note.ok{color:var(--accent-ink)}
.ctarow{display:flex;flex-wrap:wrap;align-items:center;gap:14px;justify-content:flex-end}
.linkbtn{background:none;border:0;padding:0;color:var(--accent-ink);text-decoration:underline;cursor:pointer;font-weight:600}

/* tags */
.tag{display:inline-block;font-size:11px;font-weight:600;border-radius:4px;padding:1px 6px;white-space:nowrap;vertical-align:1px}
.tag.var{color:var(--var-ink);background:var(--var-bg)}
.tag.add{color:var(--add-ink);background:var(--add-bg)}
.tag.chem{color:var(--muted);background:var(--surface-3)}
.prio{font-size:12px;font-weight:600;border-radius:999px;padding:5px 10px;border:0;min-height:30px;appearance:none;-webkit-appearance:none;cursor:pointer}
.prio.found{background:var(--found-bg);color:var(--found-ink)}
.prio.lever{background:var(--lever-bg);color:var(--lever-ink)}
.prio.brand{background:var(--add-bg);color:var(--add-ink)}
.prio:disabled{cursor:default;opacity:1}

/* layer 1 */
.seg{display:inline-flex;background:var(--surface-3);border-radius:10px;padding:4px;gap:4px}
.seg button{border:0;border-radius:8px;padding:8px 14px;min-height:38px;font-weight:600;font-size:13px;background:transparent;color:var(--muted);cursor:pointer}
.seg button.on{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px rgba(16,32,36,.14)}
.seg button:disabled{cursor:not-allowed;opacity:.55}
.score{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.score .sc{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.score .k{font-size:12px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.4px}
.score .v{font-family:"Google Sans Flex",sans-serif;font-size:30px;font-weight:700}
.score .d{color:var(--muted);font-size:13px;margin-left:8px}
.score .v.miss{color:var(--miss-ink)} .score .v.add{color:var(--add-ink)}
.bar{height:8px;background:var(--surface-3);border-radius:999px;margin-top:6px}
.bar > div{height:8px;background:var(--accent);border-radius:999px}
.tbl{position:relative;overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
.tbl-in{min-width:960px}
.trow{display:grid;grid-template-columns:132px minmax(0,1fr) 172px minmax(0,1.4fr) minmax(0,1.1fr);border-top:1px solid var(--line)}
.trow.th{background:var(--head);color:#fff;font-weight:600;font-size:13px;border-top:0}
.trow > div{padding:14px}
.trow.th > div{padding:10px 14px}
.trow .c1{font-weight:600;background:var(--surface-2)}
.trow .c2{color:var(--ink-2);font-size:14px;display:flex;flex-direction:column;gap:6px}
.trow .c3{display:flex;flex-direction:column;gap:6px;align-items:flex-start;font-size:12px}
.trow .c4{padding-top:10px;display:flex;flex-direction:column;gap:4px;min-width:0}
.trow .c5{padding-top:10px;display:flex;flex-direction:column;gap:4px;min-width:0;background:color-mix(in srgb,var(--accent) 4%,var(--surface));border-left:1px solid var(--line)}
.trow.accepted .c1{box-shadow:inset 3px 0 0 var(--accent)}
.ri{display:flex;align-items:flex-start;gap:8px;font-size:14px;padding:4px 6px 4px 8px;border-radius:8px;border:1.5px solid transparent}
.ri .tx{flex:1;min-width:0;padding-top:2px}
.ri.miss{border:1.5px dashed var(--miss-line);color:var(--miss-ink);background:var(--miss-row)}
.ri.extra{background:var(--add-row)}
.ri > svg{flex:0 0 auto;margin-top:5px}
.riedit{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:8px;background:var(--surface-2);border:1px solid var(--line);border-radius:8px}
.riedit input[type=text]{flex:1 1 240px;min-width:0;border:1px solid var(--line-2);border-radius:8px;padding:8px 10px;min-height:38px;background:var(--surface)}
.riedit label{font-size:13px;display:flex;gap:6px;align-items:center}
.ctrls{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:8px}
.accd{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--accent-ink);background:var(--accent-soft);border-radius:8px;padding:7px 12px;min-height:36px}
.ask{background:var(--warn-bg);border:1px solid var(--warn-line);border-radius:10px;padding:10px 12px;font-size:13.5px;color:var(--warn-ink)}
.ask b{display:block;font-size:11px;letter-spacing:.4px;text-transform:uppercase;margin-bottom:4px}
.ask ul{margin:0;padding-left:18px}
.chat{border-top:1px dashed var(--line);margin-top:8px;padding-top:10px;display:flex;flex-direction:column;gap:8px}
.thread{display:flex;flex-direction:column;gap:8px}
.msg{font-size:13.5px;padding:8px 11px;border-radius:10px;max-width:92%;white-space:pre-wrap}
.msg.user{align-self:flex-end;background:var(--accent-soft)}
.msg.agent{align-self:flex-start;background:var(--surface-2);border:1px solid var(--line)}
.msg .who{font-size:10.5px;letter-spacing:.4px;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:2px;white-space:normal}
.chatbar{display:flex;gap:8px;align-items:flex-end}
.chatbar textarea{flex:1;min-width:0;border:1px solid var(--line-2);border-radius:10px;padding:10px 12px;min-height:44px;max-height:160px;resize:vertical;background:var(--surface)}
.legend{display:flex;flex-wrap:wrap;gap:14px;align-items:center;font-size:13px;color:var(--muted)}
.legend .li2{display:inline-flex;gap:6px;align-items:center}
.thinking{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:13px;font-style:italic}
.spin{width:14px;height:14px;border:2px solid var(--line-2);border-top-color:var(--accent);border-radius:999px;animation:sp .7s linear infinite;flex:0 0 auto}
@keyframes sp{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.spin{animation:none}}
.err{color:var(--danger);font-size:13px}

/* layer 2 */
.l2{display:flex;flex-direction:column;gap:14px}
.l2 aside{display:flex;flex-wrap:wrap;align-items:center;gap:10px 12px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:10px 14px;box-shadow:var(--shadow)}
.l2 aside:empty{display:none}
.pkn{font-size:13px;color:var(--muted);white-space:nowrap}
.reqpick{flex:1 1 300px;min-width:0;max-width:100%;font:inherit;font-size:14px;font-weight:600;color:var(--ink);background:var(--surface);border:1px solid var(--line-2);border-radius:8px;padding:7px 10px;min-height:38px}
.reqpick:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.pkst{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--muted);white-space:nowrap}
.pkst .dot{width:9px;height:9px;border-radius:999px;background:var(--line-2)}
.pkst .dot.done{background:var(--accent)} .pkst .dot.flag{background:var(--danger)}
.pkbtn{display:inline-flex;gap:6px}
.l2 main{min-width:0;display:flex;flex-direction:column;gap:14px}
.reqhead{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 20px;display:flex;flex-direction:column;gap:6px;box-shadow:var(--shadow)}
.reqhead h2{font-size:22px}
.reqhead .row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.conf{display:flex;flex-wrap:wrap;gap:10px 12px;align-items:center;background:var(--warn-bg);border:1px solid var(--warn-line);border-radius:12px;padding:12px 16px;color:var(--warn-ink)}
.conf .ct{flex:1 1 360px;min-width:0;font-size:14px}
.conf .btn.ghost{color:var(--warn-ink);border-color:var(--warn-line);background:transparent}
.opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:12px}
.opt{display:flex;flex-direction:column;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px;margin:1px;box-shadow:var(--shadow);min-width:0}
.opt.sel{border:2px solid var(--accent);margin:0}
.opt.from{outline:2px solid color-mix(in srgb,var(--accent) 50%,transparent);outline-offset:3px}
.opt .hd{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.opt .k{font-family:"Google Sans Flex",sans-serif;font-weight:700;font-size:13px;background:var(--ink);color:var(--surface);border-radius:6px;padding:2px 8px}
.opt h3{font-size:16px;line-height:1.35}
.opt dl{margin:0;display:flex;flex-direction:column;font-size:13.5px}
.opt dt{color:var(--muted);font-weight:700;font-size:11px;letter-spacing:.4px;text-transform:uppercase;margin:8px 0 2px}
.opt dt:first-child{margin-top:0}
.opt dd{margin:0;min-width:0;overflow-wrap:anywhere}
.opt dd.tg{background:var(--surface-2);border:1px solid var(--line);border-radius:8px;padding:7px 10px;font-weight:500;color:var(--ink)}
.opt .why{font-size:13px;color:var(--muted)}
.opt .grow{flex:1}
.stds{display:flex;flex-wrap:wrap;gap:6px}
.rv{font-size:12px;font-weight:600;border-radius:999px;padding:2px 9px}
.rv.pass{color:var(--accent-ink);background:var(--accent-soft)}
.rv.flag{color:var(--danger);background:color-mix(in srgb,var(--danger) 12%,transparent)}
.rv.none{color:var(--faint);background:var(--surface-3)}
.std{font-family:"DM Mono",ui-monospace,Menlo,monospace;font-size:11.5px;border-radius:4px;padding:2px 6px;border:0;cursor:pointer}
.std.ok{color:var(--accent-ink);background:var(--accent-soft)}
.std.bad{color:var(--danger);background:color-mix(in srgb,var(--danger) 12%,transparent)}
.opt details{font-size:13px;color:var(--ink-2)} .opt summary{cursor:pointer;font-weight:600;color:var(--muted)}
.opt details ul{margin:6px 0 0;padding-left:18px}
.sevh{color:var(--danger);font-weight:700;font-size:11px;text-transform:uppercase;margin-right:4px}
.sevl{color:var(--muted);font-weight:700;font-size:11px;text-transform:uppercase;margin-right:4px}
.prog{min-width:190px;font-size:13px;color:var(--muted)}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:10px;box-shadow:var(--shadow)}
/* step 3: no side panel; a source opens under the options */
body.s3 .shell{grid-template-columns:minmax(0,1fr)}
body.s3 .srcp,body.s3 .btn.srcfab,body.s3 .srcscrim{display:none}
.citebox{position:relative;background:var(--surface);border:1.5px solid var(--accent);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow);scroll-margin-top:calc(var(--hdr-h,64px) + 12px);scroll-margin-bottom:12px}
.citebox:focus{outline:none}
.citebox:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.citebox .srcd{display:block;columns:2 300px;column-gap:28px;padding:0;border:0}
.citebox .srcd>*{break-inside:avoid;margin-bottom:8px}
.citebox .srcd-h{column-span:all;padding-right:40px;margin-bottom:10px}
.citebox .srcd .lbl{margin-top:0;margin-bottom:4px;break-after:avoid}
.citex{position:absolute;top:10px;right:10px}
.allsrc{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:10px 14px;font-size:13.5px}
.allsrc .chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line-2);background:var(--surface);color:var(--ink-2);border-radius:999px;padding:3px 10px 3px 4px;font:500 12.5px/1.4 "Google Sans Flex",sans-serif;cursor:pointer;max-width:100%}
.chip:hover{background:var(--surface-2)}
.chip.on{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-ink)}
.chip:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.chip .n{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 4px;border-radius:999px;background:var(--accent);color:var(--on-accent);font-size:11px;font-weight:700}
.empty{color:var(--muted);text-align:center;padding:28px 16px;border:1px dashed var(--line-2);border-radius:12px;background:var(--surface)}

/* export */
.sum{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.sum .sc{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px;box-shadow:var(--shadow)}
.sum .v{font-family:"Google Sans Flex",sans-serif;font-size:28px;font-weight:700}
.sum .l{font-size:13px;color:var(--muted)}

footer{color:var(--faint);font-size:12px;line-height:1.6;margin-top:8px}
footer sup{color:var(--accent-ink)}

.gate{position:fixed;inset:0;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:16px;z-index:50}
.gate-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:22px;max-width:360px;width:100%;display:flex;flex-direction:column;gap:11px}
.gate-card .cobrand{align-self:flex-start}
.gate-card input{border:1px solid var(--line-2);border-radius:8px;padding:9px 11px;min-height:42px;background:var(--surface)}

/* Auto-advance bar: shown when the last need is accepted on step 2 */
.autogo{position:fixed;left:50%;transform:translateX(-50%);bottom:20px;z-index:45;display:flex;gap:10px 12px;align-items:center;flex-wrap:wrap;width:max-content;max-width:calc(100vw - 32px);background:var(--warn-bg);border:1px solid var(--warn-line);color:var(--warn-ink);border-radius:12px;padding:10px 14px;box-shadow:var(--shadow);font-size:14px;font-weight:500}
.autogo .sp{flex:1 1 0}
@media (max-width:1199px){ .autogo{bottom:76px} }
@media (max-width:520px){ .autogo{left:16px;right:16px;transform:none;width:auto} }