/* ============================================================
   TWAIN — design system  (professional rebuild)
   ============================================================ */
:root{
  /* neutrals */
  --bg:#f5f6f8;
  --bg-tint:#eceefb;
  --surface:#ffffff;
  --surface-2:#fafbfc;
  --ink:#0f1117;
  --ink-2:#3a3f4b;
  --muted:#727885;
  --faint:#9aa0ac;
  --line:#e8eaef;
  --line-2:#f0f2f5;
  /* brand */
  --accent:#5b54e6;
  --accent-2:#7c6cf0;
  --accent-ink:#4a43cf;
  --accent-soft:#eef0ff;
  --accent-ring:rgba(91,84,230,.16);
  /* semantic */
  --emerald:#0c9b6a;
  --emerald-soft:#e6f7ef;
  --amber:#a96a14;
  --amber-soft:#fbf1e0;
  --rose:#c01744;
  --rose-soft:#fdebef;
  /* depth */
  --shadow-sm:0 1px 2px rgba(15,17,23,.05);
  --shadow:0 1px 3px rgba(15,17,23,.05), 0 8px 28px rgba(15,17,23,.06);
  --shadow-lg:0 12px 48px rgba(15,17,23,.14);
  /* shape */
  --r:16px; --r-md:11px; --r-sm:8px;
  /* type */
  --sans:"Inter","Inter Tight",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --display:"Inter Tight","Inter",-apple-system,sans-serif;
  --serif:"Newsreader",Georgia,serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none !important}
html{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;scroll-behavior:smooth}
body{
  font-family:var(--sans);color:var(--ink);min-height:100vh;font-size:15px;line-height:1.55;
  letter-spacing:-0.006em;
  background:
    radial-gradient(900px 480px at 88% -8%, var(--bg-tint), transparent 62%),
    radial-gradient(700px 420px at 0% 0%, #eef6f2, transparent 55%),
    var(--bg);
}
::selection{background:var(--accent-ring)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
button:focus-visible,.chip:focus-visible{outline-offset:1px}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;
    transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* ---------- Nav ---------- */
.nav{position:sticky;top:0;z-index:40;background:rgba(248,249,251,.72);
  backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1200px;margin:0 auto;padding:.8rem 1.75rem;display:flex;
  align-items:center;justify-content:space-between;gap:1rem}
.brand{display:flex;align-items:center;gap:.75rem}
.brand-mark{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  color:#fff;font-weight:800;font-size:1.1rem;letter-spacing:-.5px;font-family:var(--display);
  background:linear-gradient(140deg,#6d63f2,#9d7bf6 55%,#b78cf2);
  box-shadow:0 4px 14px rgba(91,84,230,.4), inset 0 1px 0 rgba(255,255,255,.3)}
.brand-text{display:flex;flex-direction:column;line-height:1.18}
.brand-name{font-family:var(--display);font-weight:800;font-size:1.1rem;letter-spacing:-.4px}
.brand-sub{font-size:.74rem;color:var(--muted);letter-spacing:0}
.nav-meta{display:flex;align-items:center;gap:.9rem}
.nav-link{font-size:.8rem;font-weight:600;color:var(--ink-2);text-decoration:none;
  padding:.34rem .7rem;border-radius:8px;transition:.14s}
.nav-link:hover{background:var(--line-2);color:var(--ink)}
.nav-ver{font-size:.72rem;color:var(--faint);font-family:var(--mono)}

/* ---------- Layout ---------- */
.layout{max-width:1200px;margin:2rem auto;padding:0 1.75rem;
  display:grid;grid-template-columns:minmax(0,1fr) 348px;gap:1.5rem;align-items:start}
.col-main{display:flex;flex-direction:column;gap:1.25rem;min-width:0}
.col-side{display:flex;flex-direction:column;gap:1.25rem;position:sticky;top:90px}
@media(max-width:960px){
  .layout{grid-template-columns:1fr;margin-top:1.25rem}
  .col-side{position:static}
}

/* ---------- Cards ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--shadow);padding:1.5rem 1.6rem}
.card-title{font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--faint);margin-bottom:1rem}
.muted{color:var(--muted)}

/* ---------- Composer ---------- */
.composer-head h1{font-family:var(--display);font-size:1.5rem;font-weight:800;
  letter-spacing:-.6px;margin-bottom:.45rem}
.composer-head p{font-size:.9rem;color:var(--muted);max-width:60ch;margin-bottom:1.15rem;line-height:1.6}
#q{width:100%;border:1.5px solid var(--line);border-radius:var(--r-md);padding:.95rem 1rem;
  font-family:var(--sans);font-size:1rem;color:var(--ink);resize:vertical;background:var(--surface-2);
  transition:border-color .16s, box-shadow .16s, background .16s;line-height:1.5}
#q::placeholder{color:var(--faint)}
#q:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-ring);background:#fff}
.chips{display:flex;flex-wrap:wrap;gap:.5rem;margin:.85rem 0 .25rem}
.chip{font-size:.8rem;color:var(--ink-2);background:var(--surface-2);border:1px solid var(--line);
  border-radius:999px;padding:.4rem .8rem;cursor:pointer;transition:.14s;white-space:nowrap;
  max-width:100%;overflow:hidden;text-overflow:ellipsis}
.chip:hover{background:var(--accent-soft);border-color:var(--accent-2);color:var(--accent-ink);
  transform:translateY(-1px)}
.composer-foot{display:flex;align-items:center;justify-content:space-between;gap:1rem;
  margin-top:1.2rem;flex-wrap:wrap}
.opts{display:flex;align-items:center;gap:.9rem}
.combo{position:relative}
.eng-input{border:1.5px solid var(--line);border-radius:var(--r-sm);padding:.5rem 1.5rem .5rem .7rem;
  font-size:.82rem;font-family:var(--mono);width:236px;background:var(--surface-2);color:var(--ink)}
.eng-input::placeholder{color:var(--faint);font-family:var(--sans)}
.eng-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-ring);background:#fff}
.combo-caret{position:absolute;right:.6rem;top:50%;transform:translateY(-50%);color:var(--faint);
  font-size:.7rem;pointer-events:none}
.combo-menu{position:absolute;top:calc(100% + 5px);left:0;z-index:60;width:312px;max-height:300px;
  overflow-y:auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-lg);padding:.3rem}
.combo-menu::-webkit-scrollbar{width:8px}
.combo-menu::-webkit-scrollbar-thumb{background:var(--line);border-radius:8px}
.combo-group{font-size:.64rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;
  color:var(--faint);padding:.45rem .55rem .25rem}
.combo-item{display:flex;align-items:center;gap:.5rem;padding:.46rem .55rem;border-radius:8px;
  cursor:pointer;font-size:.82rem}
.combo-item:hover,.combo-item.active{background:var(--accent-soft)}
.combo-item .ci-name{font-family:var(--mono);font-size:.78rem;font-weight:600;color:var(--ink);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.combo-item .ci-fam{margin-left:auto;font-size:.7rem;color:var(--muted);flex:none;white-space:nowrap}
.combo-item.auto .ci-name{font-family:var(--sans);color:var(--accent-ink)}
.combo-empty{padding:.55rem;color:var(--muted);font-size:.8rem;text-align:center}
.check{display:flex;align-items:center;gap:.45rem;font-size:.85rem;color:var(--ink-2);cursor:pointer;user-select:none}
.check input{accent-color:var(--accent);width:15px;height:15px}
.token-field{display:flex;align-items:center}
.token-input{border:1.5px solid var(--line);border-radius:var(--r-sm);padding:.5rem .7rem;
  font-size:.82rem;font-family:var(--mono);width:150px;background:var(--surface-2);color:var(--ink)}
.token-input::placeholder{color:var(--faint);font-family:var(--sans)}
.token-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-ring);background:#fff}
.token-input.needed{border-color:var(--amber);box-shadow:0 0 0 3px var(--amber-soft)}
.actions{display:flex;align-items:center;gap:.6rem}
.kbd-hint{display:inline-flex;gap:.18rem;margin-right:.15rem}
.kbd-hint kbd{font-family:var(--sans);font-size:.68rem;font-weight:600;color:var(--muted);
  background:var(--surface-2);border:1px solid var(--line);border-bottom-width:2px;
  border-radius:5px;padding:.1rem .34rem;line-height:1.3}
@media(max-width:640px){
  .composer-foot{flex-direction:column;align-items:stretch}
  .opts{justify-content:space-between}
  .combo{flex:1}
  .eng-input{width:100%}
  .actions{justify-content:flex-end}
  .kbd-hint{display:none}
}

/* ---------- Buttons ---------- */
.btn{font-family:var(--sans);font-weight:600;font-size:.9rem;border-radius:10px;cursor:pointer;
  border:1px solid transparent;padding:.62rem 1.2rem;transition:.15s;display:inline-flex;
  align-items:center;gap:.5rem;text-decoration:none;letter-spacing:-.01em}
.btn-sm{padding:.45rem .85rem;font-size:.82rem}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;
  box-shadow:0 3px 14px rgba(91,84,230,.34), inset 0 1px 0 rgba(255,255,255,.18)}
.btn-primary:hover{filter:brightness(1.05);box-shadow:0 6px 22px rgba(91,84,230,.42);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-primary:disabled{opacity:.65;cursor:progress;filter:none;transform:none;box-shadow:none}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink-2)}
.btn-ghost:hover{background:var(--line-2);color:var(--ink)}
.spinner{width:15px;height:15px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;
  border-radius:50%;animation:spin .65s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- Flash ---------- */
.flash{border-radius:var(--r-md);padding:1rem 1.15rem;font-size:.9rem;border:1px solid var(--line);
  display:flex;gap:.75rem;align-items:flex-start;box-shadow:var(--shadow-sm);animation:rise .3s ease}
.flash .fi{font-size:1.05rem;line-height:1.25;flex:none;display:grid;place-items:center;margin-top:.1rem}
.flash .fi svg{display:block}
.spinner-ink{border-color:rgba(15,17,23,.14);border-top-color:var(--ink-2)}
.flash-title{font-weight:700;margin-bottom:.15rem;letter-spacing:-.01em}
.flash.loading{background:#fff;color:var(--ink-2)}
.flash.clarify{background:var(--amber-soft);border-color:#f0ddbb;color:#7a5512}
.flash.abstain,.flash.error{background:var(--rose-soft);border-color:#f6cdd6;color:#8a1230}
.flash.ok{background:var(--emerald-soft);border-color:#bfe8d5;color:#0b6b49}

/* ---------- How it works (empty state) ---------- */
.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
@media(max-width:760px){.steps{grid-template-columns:1fr}}
.steps li{display:flex;gap:.7rem;align-items:flex-start}
.step-n{flex:none;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  font-family:var(--display);font-weight:700;font-size:.82rem;color:var(--accent-ink);
  background:var(--accent-soft);border:1px solid #dcd9fb}
.steps strong{display:block;font-size:.9rem;letter-spacing:-.01em;margin-bottom:.2rem}
.steps span:not(.step-n){display:block;font-size:.83rem;color:var(--muted);line-height:1.55}
.howto-note{margin-top:1.15rem;padding-top:1rem;border-top:1px solid var(--line-2);
  font-size:.83rem;color:var(--muted);line-height:1.7}
.howto-note .badge{font-size:.62rem;padding:.2rem .5rem;vertical-align:1px}

/* ---------- Results ---------- */
.results{display:flex;flex-direction:column;gap:1.25rem}
.results>.card{animation:rise .36s ease both}
.results>.card:nth-child(2){animation-delay:.04s}
.results>.card:nth-child(3){animation-delay:.08s}
.results>.card:nth-child(4){animation-delay:.12s}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.rh-top{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.rh-top h2{font-family:var(--display);font-size:1.25rem;font-weight:800;letter-spacing:-.4px}
.rh-engine{font-size:.85rem;margin-top:.35rem;color:var(--muted)}
.rh-engine .mono{font-family:var(--mono);color:var(--ink-2);font-size:.82rem}
.badge{font-size:.7rem;font-weight:700;letter-spacing:.04em;padding:.36rem .68rem;border-radius:999px;
  display:inline-flex;align-items:center;gap:.35rem;white-space:nowrap;text-transform:uppercase}
.badge.cert{background:var(--emerald-soft);color:var(--emerald)}
.badge.exp{background:var(--amber-soft);color:var(--amber)}
.badge.fail{background:var(--rose-soft);color:#8a1230}
.invalid-banner{margin-top:1rem;border-radius:var(--r-md);padding:.85rem 1rem;font-size:.86rem;
  background:var(--rose-soft);border:1px solid #f6cdd6;color:#8a1230;line-height:1.4}
.invalid-banner .ib-why{display:block;margin-top:.25rem;font-weight:600}
.confidence{margin-top:1.15rem}
.conf-row{display:flex;justify-content:space-between;font-size:.74rem;margin-bottom:.4rem}
.conf-label{color:var(--faint);font-weight:700;text-transform:uppercase;letter-spacing:.07em}
.conf-val{font-weight:700;font-family:var(--mono);color:var(--ink)}
.conf-track{height:8px;background:var(--line-2);border-radius:999px;overflow:hidden}
.conf-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--accent-2));
  transition:width .6s cubic-bezier(.2,.8,.2,1)}

/* ---------- Metrics ---------- */
.metrics{display:grid;grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:.75rem}
.metric{border:1px solid var(--line);border-radius:var(--r-md);padding:.85rem .9rem;background:var(--surface-2);
  transition:.16s}
.metric:hover{border-color:#d9dce6;box-shadow:var(--shadow-sm)}
.metric .m-name{font-size:.72rem;color:var(--muted);font-weight:600;margin-bottom:.4rem;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-family:var(--mono);letter-spacing:-.02em}
.metric .m-val{font-size:1.42rem;font-weight:700;letter-spacing:-.6px;font-variant-numeric:tabular-nums;
  line-height:1.1}
.metric .m-unit{font-size:.74rem;color:var(--muted);margin-left:.28rem;font-weight:500;letter-spacing:0}
.metric .m-ref{margin-top:.5rem;font-size:.68rem;font-weight:600;font-family:var(--sans);
  display:inline-flex;align-items:center;gap:.25rem;padding:.12rem .4rem;border-radius:999px;letter-spacing:0}
.metric .m-ref.ok{background:var(--emerald-soft);color:var(--emerald)}
.metric .m-ref.near{background:var(--amber-soft);color:var(--amber)}

/* ---------- Reference comparison ("validated against published values") ---------- */
.card.validated{border-color:#bfe8d5;background:linear-gradient(180deg,var(--emerald-soft),var(--surface))}
.card.validated .card-title{color:var(--emerald)}
.refcompare{display:flex;flex-direction:column;gap:.55rem}
.rc-row{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap;padding:.55rem .7rem;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line)}
.rc-row .rc-ico{width:20px;height:20px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  font-size:.72rem;font-weight:700;flex:none;color:#fff}
.rc-ok .rc-ico{background:var(--emerald)}
.rc-near .rc-ico{background:var(--amber)}
.rc-row .rc-name{font-weight:600;font-size:.9rem;color:var(--ink)}
.rc-row .rc-vals{font-family:var(--mono);font-size:.82rem;color:var(--ink-2);margin-left:auto;
  font-variant-numeric:tabular-nums}
.rc-row .rc-vals .muted{font-family:var(--sans);font-size:.74rem}
.rc-row .rc-cite{flex-basis:100%;font-size:.72rem;color:var(--faint);font-style:italic;font-family:var(--serif)}

/* ---------- Plot ---------- */
.plot-wrap{position:relative}
.plot{width:100%;height:308px}
.plot svg{width:100%;height:100%;display:block;overflow:visible}
.plot-tip{position:absolute;pointer-events:none;z-index:30;background:#171923;color:#e9ebf3;
  border-radius:9px;padding:.5rem .7rem;font-size:.74rem;line-height:1.5;box-shadow:var(--shadow-lg);
  white-space:nowrap;transform:translate(-50%,calc(-100% - 12px))}
.plot-tip .tt-x{font-family:var(--mono);color:#9aa3b8;margin-bottom:.2rem}
.plot-tip .tt-row{display:flex;align-items:center;gap:.45rem}
.plot-tip .tt-sw{width:8px;height:8px;border-radius:2px;flex:none}
.plot-tip .tt-v{font-family:var(--mono);margin-left:auto;padding-left:.7rem}
.hover-dot{stroke:#fff;stroke-width:1.5}
.crosshair{stroke:#b6bbc9;stroke-width:1;stroke-dasharray:3 3}
.legend{display:flex;flex-wrap:wrap;gap:1rem;margin-top:.8rem;justify-content:center}
.legend .lg{display:flex;align-items:center;gap:.45rem;font-size:.8rem;color:var(--ink-2);font-weight:500}
.legend .sw{width:14px;height:3px;border-radius:2px}
.axis-line{stroke:var(--line);stroke-width:1.25}
.grid-line{stroke:var(--line-2);stroke-width:1}
.axis-text{fill:var(--faint);font-size:10px;font-family:var(--mono)}
.axis-title{fill:var(--muted);font-size:11px;font-weight:600;font-family:var(--sans)}
.series-path{fill:none;stroke-width:2.5;stroke-linejoin:round;stroke-linecap:round}
.bar{fill:var(--accent);opacity:.85}
.bar:hover{opacity:1}
/* multiple charts stacked in one result */
.charts-grid{display:flex;flex-direction:column;gap:1.3rem}
.plot-sub .plot-title{font-size:.95rem;margin:0 0 .5rem}
.plot-sub + .plot-sub{padding-top:1.2rem;border-top:1px solid var(--line-2)}
/* 3D cluster geometry (scatter3d) */
.atom{fill:var(--accent);stroke:#fff;stroke-width:1}
.bond{stroke:var(--muted);stroke-width:2;opacity:.45;stroke-linecap:round}

/* ---------- Prose ---------- */
.prose{font-family:var(--serif);font-size:1.06rem;line-height:1.68;color:var(--ink);letter-spacing:0}
.prose p{margin:.62rem 0}
.prose p:first-child{margin-top:0}
.prose h1,.prose h2,.prose h3{font-family:var(--display);font-weight:700;letter-spacing:-.3px;
  margin:1.1rem 0 .45rem;font-size:1.06rem}
.prose strong{font-weight:600}
.prose ul,.prose ol{margin:.5rem 0 .5rem 1.25rem}
.prose li{margin:.18rem 0}
.prose code{font-family:var(--mono);font-size:.84em;background:var(--line-2);padding:.12em .38em;border-radius:5px}
.assumptions{margin-top:1.1rem;padding-top:1rem;border-top:1px solid var(--line-2)}
.assumptions h4{font-size:.72rem;text-transform:uppercase;letter-spacing:.07em;color:var(--faint);
  font-weight:700;margin-bottom:.5rem}
.assumptions ul{margin-left:1.15rem}
.assumptions li{font-size:.88rem;color:var(--ink-2);margin-bottom:.25rem;font-family:var(--sans)}

/* ---------- Structured findings / caveats / next steps ---------- */
.findings{display:grid;gap:1.05rem}
.fsec h4{font-size:.72rem;text-transform:uppercase;letter-spacing:.07em;font-weight:700;
  margin-bottom:.5rem;display:flex;align-items:center;gap:.4rem}
.fsec h4::before{content:"";width:9px;height:9px;border-radius:2px;flex:none}
.fsec.kf h4{color:var(--emerald)} .fsec.kf h4::before{background:var(--emerald)}
.fsec.cav h4{color:var(--amber)} .fsec.cav h4::before{background:var(--amber)}
.fsec.ns h4{color:var(--accent)} .fsec.ns h4::before{background:var(--accent)}
.fsec ul{margin-left:1.15rem}
.fsec li{font-size:.92rem;color:var(--ink-2);margin-bottom:.32rem;font-family:var(--sans);line-height:1.5}

/* ---------- Provenance ---------- */
.prov-grid{display:grid;grid-template-columns:1fr 1fr;gap:.85rem;margin-bottom:1rem}
@media(max-width:560px){.prov-grid{grid-template-columns:1fr}}
.prov-grid>div{display:flex;flex-direction:column;gap:.25rem;min-width:0}
.prov-k{font-size:.7rem;color:var(--faint);font-weight:700;text-transform:uppercase;letter-spacing:.06em}
.mono{font-family:var(--mono);font-size:.8rem;color:var(--ink-2);word-break:break-all}
.prov-replay-row{display:flex;align-items:center;gap:.5rem;min-width:0}
.copy-btn{flex:none;font-family:var(--sans);font-size:.7rem;font-weight:700;color:var(--accent-ink);
  background:var(--accent-soft);border:1px solid #dcd9fb;border-radius:6px;padding:.2rem .55rem;
  cursor:pointer;transition:.14s;letter-spacing:.02em}
.copy-btn:hover{background:#e3e0fd}
.copy-btn.done{color:var(--emerald);background:var(--emerald-soft);border-color:#bfe8d5}
.prov-actions{display:flex;flex-direction:column;gap:.7rem}
.prov-params summary{font-size:.82rem;color:var(--accent-ink);cursor:pointer;font-weight:600;width:fit-content}
.prov-params pre{margin-top:.55rem;background:#11131b;color:#dce0ec;border-radius:10px;padding:.9rem 1rem;
  font-size:.76rem;overflow-x:auto;line-height:1.55;border:1px solid #1c1f2b}

/* ---------- Coverage scoreboard ---------- */
.cov-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:.55rem;margin-bottom:1rem}
.stat{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-md);padding:.7rem .5rem;text-align:center}
.stat .n{font-family:var(--display);font-size:1.5rem;font-weight:800;letter-spacing:-.6px;line-height:1}
.stat .l{font-size:.62rem;color:var(--faint);text-transform:uppercase;letter-spacing:.06em;margin-top:.32rem;font-weight:600}
.stat.cert .n{color:var(--emerald)}.stat.exp .n{color:var(--amber)}
.cov-families{display:flex;flex-direction:column;gap:.4rem;max-height:430px;overflow-y:auto;
  margin:0 -.4rem;padding:0 .4rem}
.cov-families::-webkit-scrollbar{width:8px}
.cov-families::-webkit-scrollbar-thumb{background:var(--line);border-radius:8px}
.fam{border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;background:#fff;flex:none}
.fam-head{display:flex;align-items:center;gap:.5rem;background:var(--surface-2);padding:.5rem .7rem;
  font-weight:700;font-size:.8rem;letter-spacing:-.01em;border-bottom:1px solid var(--line-2);min-width:0}
.fam-head .fam-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.fam-head .count{margin-left:auto;display:inline-flex;gap:.4rem;flex:none;font-size:.7rem;font-weight:600}
.count .c-ok{color:var(--emerald)}.count .c-exp{color:var(--amber)}
.eng-row{display:flex;align-items:center;gap:.55rem;padding:.42rem .7rem;font-size:.8rem;
  border-top:1px solid var(--line-2);min-width:0}
.eng-row:first-child{border-top:none}
.eng-row .dot{flex:none}
.eng-row .nm{font-family:var(--mono);font-size:.76rem;color:var(--ink-2);overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap;min-width:0;flex:1 1 auto}
.eng-row .rt{flex:none;font-size:.7rem;color:var(--faint);white-space:nowrap}
.dot{width:8px;height:8px;border-radius:50%}
.dot.cert{background:var(--emerald)}.dot.exp{background:var(--amber)}
.cov-err{background:var(--amber-soft);border:1px solid #f0ddbb;color:#7a5512;border-radius:8px;
  padding:.55rem .75rem;font-size:.78rem;margin-bottom:.85rem}

/* ---------- History ---------- */
.history{display:flex;flex-direction:column;gap:.45rem;max-height:340px;overflow-y:auto;margin:0 -.4rem;padding:0 .4rem}
.hrow{border:1px solid var(--line);border-radius:var(--r-sm);padding:.6rem .75rem;cursor:pointer;
  transition:.14s;background:var(--surface-2);flex:none}
.hrow:hover{border-color:var(--accent-2);background:var(--accent-soft);transform:translateX(2px)}
.hrow .hq{font-size:.83rem;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}
.hrow .hmeta{display:flex;align-items:center;gap:.45rem;margin-top:.3rem;font-size:.72rem;color:var(--muted)}
.hrow .hmeta .nm{font-family:var(--mono);font-size:.72rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hrow .hmeta .ht{margin-left:auto;flex:none;color:var(--faint)}

/* ---------- Skeleton ---------- */
.skeleton{position:relative;overflow:hidden;background:var(--line-2);border-radius:8px}
.skeleton::after{content:"";position:absolute;inset:0;transform:translateX(-100%);
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.65),transparent);animation:sweep 1.3s infinite}
@keyframes sweep{100%{transform:translateX(100%)}}
.sk-line{height:13px;margin:.5rem 0;border-radius:6px}

/* ---------- Footer / pills ---------- */
.foot{text-align:center;padding:2.25rem 1rem;color:var(--faint);font-size:.78rem;line-height:1.9}
.foot-tag{color:var(--muted);font-weight:500}
.pill{font-size:.68rem;font-weight:700;padding:.26rem .6rem;border-radius:999px;letter-spacing:.03em}
.pill-muted{background:var(--line-2);color:var(--ink-2)}
.pill-live{background:var(--emerald-soft);color:var(--emerald)}
.pill-off{background:var(--rose-soft);color:var(--rose)}