/* Layout: graph-paper desk. Sticky header, then a two-column workspace:
   mastery pie on the left, learning path / practice sheet on the right. */
:root{
  color-scheme:light;
  --paper:#F4F7FA; --grid:#E1E9F1; --surface:#FFFFFF; --sunk:#EDF2F7;
  --ink:#16243A; --muted:#566579; --line:#D3DDE8;
  --pencil:#F2B705; --pencil-ink:#2A2100; --pencil-soft:#FDF1C4;
  --ok:#1E8A5B; --ok-soft:#E3F4EC; --bad:#C0392B; --bad-soft:#FBE9E6;
  --s-num:#E4572E; --s-frac:#16A394; --s-ratio:#7357C9; --s-alg:#2E7FD6; --s-geo:#7FA035; --s-data:#C9407A;
  --s-lim:#C77C12; --s-der:#4B4FC9; --s-int:#0F8FA8; --s-ser:#A3472A;
  --f-display:"Bricolage Grotesque","Avenir Next",system-ui,sans-serif;
  --f-body:"Atkinson Hyperlegible","Segoe UI",system-ui,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --r:10px;
}
@media (prefers-color-scheme: dark){
  :root{
    color-scheme:dark;
    --paper:#0F151E; --grid:#18212D; --surface:#172030; --sunk:#111924;
    --ink:#E5ECF4; --muted:#97A6B8; --line:#2A3647;
    --pencil:#F5C531; --pencil-ink:#221B00; --pencil-soft:#3A3115;
    --ok:#4CC08A; --ok-soft:#14301F; --bad:#F07A6B; --bad-soft:#3A1C19;
    --s-num:#F27352; --s-frac:#2CC2B1; --s-ratio:#9A82E8; --s-alg:#5BA2EC; --s-geo:#9DC055; --s-data:#E3679A;
    --s-lim:#E9A23B; --s-der:#8C90F0; --s-int:#3DB8CF; --s-ser:#DB7A55;
  }
}
*{box-sizing:border-box}
html{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
body{
  margin:0;min-height:100vh;
  background-color:var(--paper);
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:24px 24px;
  color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.5;
}
button,input,select{font:inherit;color:inherit}
a{color:inherit}
:focus-visible{outline:3px solid var(--pencil);outline-offset:2px}
h1,h2,h3{font-family:var(--f-display);text-wrap:balance;margin:0;line-height:1.15}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
[hidden]{display:none!important}

/* header */
.top{position:sticky;top:0;z-index:5;background:var(--surface);border-bottom:1px solid var(--line)}
.top-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;padding-block:12px}
.brand{display:flex;align-items:center;gap:10px;margin-right:auto;text-decoration:none}
.brand-name{display:block;font-family:var(--f-display);font-size:1.45rem;font-weight:800;letter-spacing:-.01em;line-height:1.1}
.brand small{display:block;font-size:.75rem;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.logo-bg{fill:var(--sunk);stroke:var(--line)} .logo-a{fill:var(--s-num)} .logo-b{fill:var(--s-alg)} .logo-c{fill:var(--s-frac)}
.who{display:flex;flex-wrap:wrap;gap:10px 14px;align-items:end}
.who .me{display:flex;flex-direction:column;font-size:.9rem;line-height:1.25}
.who .me span{color:var(--muted);font-size:.8rem}
.field{display:flex;flex-direction:column;gap:3px}
.field label{font-size:.72rem;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);font-weight:700}
select,input[type=text],input[type=email],input[type=password]{background:var(--sunk);border:1px solid var(--line);border-radius:8px;padding:8px 10px;min-width:0;width:100%}
.btn{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:8px 14px;cursor:pointer;font-weight:700;text-decoration:none;display:inline-block}
.btn:hover{background:var(--sunk)}
.btn:disabled{opacity:.6;cursor:default}
.btn.primary{background:var(--pencil);border-color:var(--pencil);color:var(--pencil-ink)}
.btn.primary:hover{filter:brightness(1.05)}
.btn.ghost{border-color:transparent;background:transparent;padding-inline:6px;color:var(--muted)}
.btn.ghost:hover{color:var(--ink);text-decoration:underline}
.btn.danger{color:var(--bad)}
.err{color:var(--bad);font-size:.9rem;min-height:1.2em;margin:0}

/* workspace */
main.wrap{padding-block:24px 48px}
.layout{display:grid;grid-template-columns:320px minmax(0,1fr);gap:24px;align-items:start}
@media (max-width:860px){.layout{grid-template-columns:minmax(0,1fr)}}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px}
aside{display:flex;flex-direction:column;gap:16px}
.eyebrow{font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:700}
.pie-wrap{display:flex;flex-direction:column;align-items:center;gap:6px}
.pie{width:100%;max-width:230px;height:auto}
.pie-total{font-family:var(--f-display);font-size:2.2rem;font-weight:800;line-height:1;font-variant-numeric:tabular-nums}
.pie-total span{font-size:1.1rem;color:var(--muted)}
.pie-sub{color:var(--muted);font-size:.9rem;text-align:center}
.legend{list-style:none;margin:16px 0 0;padding:0;display:flex;flex-direction:column;gap:10px}
.legend li{display:grid;grid-template-columns:12px 1fr auto;gap:4px 10px;align-items:center;font-size:.92rem}
.sw{width:12px;height:12px;border-radius:3px;display:inline-block;flex:none}
.legend .n{font-family:var(--f-mono);font-size:.82rem;color:var(--muted);font-variant-numeric:tabular-nums}
.bar{grid-column:2/4;height:5px;background:var(--sunk);border-radius:3px;overflow:hidden}
.bar i{display:block;height:100%}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}
.stat b{display:block;font-family:var(--f-display);font-size:1.5rem;font-variant-numeric:tabular-nums;line-height:1.1}
.stat span{font-size:.78rem;color:var(--muted)}
.side-actions{display:flex;flex-direction:column;gap:8px}

/* right column */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:18px}
.tab{border-bottom:3px solid transparent;padding:8px 12px;font-weight:700;color:var(--muted);text-decoration:none}
.tab[aria-current="page"]{color:var(--ink);border-bottom-color:var(--pencil)}
.banner{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center;justify-content:space-between;background:var(--pencil-soft);border:1px solid var(--pencil);border-radius:var(--r);padding:14px 18px;margin-bottom:18px}
.banner p{margin:0;max-width:60ch}
.group-h{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 10px;margin:6px 0 10px}
.group-h h2{font-size:1.15rem}
.group-h span{color:var(--muted);font-size:.9rem}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px;margin-bottom:24px}
.card{display:flex;flex-direction:column;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;text-decoration:none}
.card:hover{border-color:var(--ink)}
.card .t{font-weight:700;line-height:1.3}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.82rem;color:var(--muted)}
.chip{font-family:var(--f-mono);font-size:.74rem;border:1px solid var(--line);border-radius:999px;padding:1px 8px;color:var(--ink);background:var(--sunk);white-space:nowrap}
.card .go{margin-top:auto;font-size:.85rem;font-weight:700}
.empty{color:var(--muted);padding:12px 0}

.map-sec{margin-bottom:22px}
.map-sec h3{font-size:1rem;display:flex;align-items:center;gap:8px;margin-bottom:6px}
.rows{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.rows li{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:12px;align-items:center;padding:8px 2px;border-bottom:1px solid var(--line);font-size:.93rem}
.rows li.has-tool{grid-template-columns:minmax(0,1fr) auto auto auto}
.rows .need{grid-column:1/-1;font-size:.8rem;color:var(--muted);margin-top:-4px}
.pill{font-size:.75rem;font-weight:700;border-radius:999px;padding:2px 10px;white-space:nowrap;text-decoration:none;border:1px solid transparent}
.pill.m{background:var(--ok-soft);color:var(--ok)}
.pill.r{background:var(--pencil-soft);color:var(--ink);border-color:var(--pencil)}
.pill.l{background:var(--sunk);color:var(--muted)}
.mini{font-size:.78rem;padding:3px 8px}

/* practice sheet */
.sheet-head{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;justify-content:space-between;margin-bottom:14px}
.sheet-head h2{font-size:1.6rem;font-weight:800}
.sheet{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px;display:flex;flex-direction:column;gap:18px}
.sheet h2{font-size:1.6rem;font-weight:800}
.stack{display:flex;flex-direction:column;gap:6px}
.q{font-size:1.3rem;line-height:1.6}
.q .eq,.ex .eq{font-family:var(--f-mono);font-size:1.15em}
.q i,.ex i{font-family:Georgia,"Times New Roman",serif}
.fr{display:inline-flex;flex-direction:column;align-items:center;vertical-align:middle;font-size:.85em;line-height:1.1;margin:0 2px}
.fr>span:last-child{border-top:2px solid currentColor;padding-top:1px;min-width:1em;text-align:center}
.dots{display:flex;flex-wrap:wrap;gap:10px;max-width:280px;margin-top:10px}
.dots span{width:22px;height:22px;border-radius:50%;background:var(--s-num)}
.graph{display:grid;grid-template-columns:auto 1fr;gap:8px 12px;align-items:center;margin-top:10px;font-size:1rem}
.graph .sq{display:flex;gap:4px}
.graph .sq i{width:18px;height:18px;background:var(--s-data);border-radius:3px}
.sys{display:inline-grid;gap:4px;font-family:var(--f-mono);margin-top:6px;padding-left:12px;border-left:2px solid var(--line)}
.ansrow{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.ansrow input{font-family:var(--f-mono);font-size:1.2rem;padding:10px 12px;width:min(240px,100%)}
.hint{font-size:.82rem;color:var(--muted)}
.choices{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.choice{border:1px solid var(--line);background:var(--sunk);border-radius:8px;padding:12px;font-size:1.1rem;cursor:pointer;text-align:center}
.choice:hover:not(:disabled){border-color:var(--ink)}
.choice.is-ok{border-color:var(--ok);background:var(--ok-soft)}
.choice.is-bad{border-color:var(--bad);background:var(--bad-soft)}
.choice:disabled{cursor:default}
.streak{display:flex;align-items:center;gap:10px;font-size:.88rem;color:var(--muted)}
.dots3{display:flex;gap:6px}
.dots3 i{width:18px;height:18px;border-radius:50%;border:2px solid var(--line);background:var(--surface)}
.dots3 i.on{background:var(--pencil);border-color:var(--pencil)}
.fb{border-radius:8px;padding:14px 16px;display:flex;flex-direction:column;gap:6px}
.fb.ok{background:var(--ok-soft)} .fb.bad{background:var(--bad-soft)}
.fb b.h{font-family:var(--f-display);font-size:1.1rem}
.fb.ok b.h{color:var(--ok)} .fb.bad b.h{color:var(--bad)}
.fb p{margin:0}
details.lesson{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px 18px;margin-top:16px}
details.lesson summary{cursor:pointer;font-weight:700}
.lesson-body{display:flex;flex-direction:column;gap:12px;margin-top:12px}
.lesson-body p{margin:0;max-width:65ch}
.ex{background:var(--sunk);border-radius:8px;padding:12px 14px;display:flex;flex-direction:column;gap:6px}
.progress{height:8px;background:var(--sunk);border-radius:4px;overflow:hidden}
.progress i{display:block;height:100%;background:var(--pencil)}
.done-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.done-grid div{background:var(--sunk);border-radius:8px;padding:14px}
.done-grid b{display:block;font-family:var(--f-display);font-size:2rem;line-height:1.1;font-variant-numeric:tabular-nums}

/* sign-in */
.auth{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:40px;align-items:center;padding-block:32px}
@media (max-width:860px){.auth{grid-template-columns:minmax(0,1fr);gap:24px;padding-block:8px}}
.pitch h1{font-size:clamp(2rem,4.5vw,3.2rem);font-weight:800;letter-spacing:-.02em;max-width:16ch}
.pitch p{font-size:1.1rem;color:var(--muted);max-width:52ch;margin:16px 0 0}
.pitch ul{margin:20px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:10px;max-width:52ch}
.pitch li{display:grid;grid-template-columns:12px 1fr;gap:12px;align-items:baseline}
.pitch li .sw{transform:translateY(1px)}
.authcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px;display:flex;flex-direction:column;gap:16px}
.authcard form{display:flex;flex-direction:column;gap:12px}
.authcard .tabs{margin-bottom:4px}

/* tutor */
.tutor-head{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;margin-bottom:20px}
.tutor-head h1{font-size:1.9rem;font-weight:800}
.code{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px dashed var(--ink);border-radius:var(--r);padding:10px 16px}
.code b{font-family:var(--f-mono);font-size:1.5rem;letter-spacing:.12em}
.code span{font-size:.85rem;color:var(--muted);max-width:22ch;line-height:1.3}
.addform{display:grid;grid-template-columns:2fr 1.4fr 1fr 1.4fr auto;gap:10px;align-items:end}
@media (max-width:860px){.addform{grid-template-columns:1fr 1fr}}
.table-wrap{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--r)}
table{border-collapse:collapse;width:100%;font-size:.93rem}
th,td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);white-space:nowrap}
th{font-size:.72rem;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);font-weight:700;background:var(--sunk)}
tr:last-child td{border-bottom:0}
td.num{font-variant-numeric:tabular-nums;font-family:var(--f-mono);font-size:.85rem}
td a{font-weight:700}
.mbar{display:inline-block;width:80px;height:6px;background:var(--sunk);border-radius:3px;overflow:hidden;vertical-align:middle;margin-right:8px}
.mbar i{display:block;height:100%;background:var(--ok)}
.editform{display:grid;grid-template-columns:1.5fr 1.2fr 1fr auto;gap:10px;align-items:end}
@media (max-width:700px){.editform{grid-template-columns:1fr}}
.activity{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;font-size:.9rem}
.activity li{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:10px;align-items:center;padding:6px 0;border-bottom:1px solid var(--line)}
.mark{font-weight:700;width:1.2em;text-align:center}
.mark.ok{color:var(--ok)} .mark.bad{color:var(--bad)}

.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--paper);padding:10px 18px;border-radius:999px;font-weight:700;z-index:20;max-width:calc(100% - 32px);text-align:center}
@media (prefers-reduced-motion:no-preference){
  .card,.choice{transition:border-color .15s}
  .bar i,.progress i,.mbar i{transition:width .4s ease}
}

/* live sessions */
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.live-dot{display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--bad);margin-right:8px;vertical-align:middle;flex:none}
@media (prefers-reduced-motion:no-preference){.live-dot{animation:livepulse 1.6s ease-in-out infinite}}
@keyframes livepulse{50%{opacity:.35}}
#liveBar:empty{display:none}
#liveBar{padding-top:16px}
.livebar{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;background:var(--surface);border:1px solid var(--bad);border-radius:var(--r);padding:12px 16px}
.livebar p{margin:0;margin-right:auto;min-width:0}
.live-start{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;margin-bottom:12px}
.pick-cell{width:1%;padding-right:0}
.pick-cell input{width:18px;height:18px;vertical-align:middle;accent-color:var(--pencil)}
.tutor-name{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.lead{margin:0;max-width:60ch;color:var(--muted)}

.live .sheet-head h2{display:flex;align-items:center}
.live-ctl{display:flex;flex-wrap:wrap;gap:8px}
.live-ctl [aria-pressed="true"]{background:var(--bad-soft);border-color:var(--bad);color:var(--bad)}
.people{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:.88rem;color:var(--muted)}
.person{display:inline-flex;align-items:center;gap:6px}
.person i{width:8px;height:8px;border-radius:50%;background:var(--line)}
.person.here{color:var(--ink)}
.person.here i{background:var(--ok)}
.live-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:20px;align-items:start}
@media (max-width:960px){.live-grid{grid-template-columns:minmax(0,1fr)}}
.live-main{display:flex;flex-direction:column;gap:16px;min-width:0}

.videos{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}
.videos:empty{display:none}
.videos.student-view{grid-template-columns:minmax(0,3fr) minmax(0,1fr);align-items:start}
.videos.student-view .tile.main{grid-row:span 2}
@media (max-width:600px){.videos.student-view{grid-template-columns:minmax(0,2fr) minmax(0,1fr)}}
.tile{position:relative;margin:0;background:#0B1119;border-radius:var(--r);overflow:hidden;aspect-ratio:4/3;border:1px solid var(--line)}
.tile video{width:100%;height:100%;object-fit:cover;display:block}
.tile.self video{transform:scaleX(-1)}
.tile.novideo video{visibility:hidden}
.tile.novideo::before{content:"";position:absolute;inset:0;margin:auto;width:56px;height:56px;border-radius:50%;background:#2A3647}
.tile figcaption{position:absolute;left:8px;bottom:8px;background:rgba(11,17,25,.75);color:#fff;font-size:.8rem;font-weight:700;padding:2px 8px;border-radius:6px;max-width:calc(100% - 16px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tile-play{position:absolute;inset:0;margin:auto;width:max-content;height:max-content}

.board-panel{padding:14px;display:flex;flex-direction:column;gap:10px}
.board-tools{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.board-tools .eyebrow{margin-right:6px}
.swatch{width:26px;height:26px;border-radius:50%;border:2px solid var(--surface);box-shadow:0 0 0 1px var(--line);cursor:pointer;padding:0}
.swatch[aria-pressed="true"]{box-shadow:0 0 0 3px var(--pencil)}
.board-tools .btn[aria-pressed="true"]{background:var(--pencil-soft);border-color:var(--pencil)}
.board-wrap{aspect-ratio:16/10;border:1px solid var(--line);border-radius:8px;overflow:hidden;
  background-color:var(--surface);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:24px 24px}
.board-wrap canvas{width:100%;height:100%;display:block;touch-action:none;cursor:crosshair}

#liveProblem{display:flex;flex-direction:column;gap:12px}
#liveProblem .q{font-size:1.15rem}
.send-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}
.answers{list-style:none;margin:6px 0 0;padding:0;display:flex;flex-direction:column}
.answers li{display:grid;grid-template-columns:auto minmax(0,1fr);gap:10px;align-items:start;padding:8px 0;border-bottom:1px solid var(--line);font-size:.9rem}
.answers li>span:last-child{display:flex;flex-direction:column;gap:2px;min-width:0}
.ans-q{font-size:.85rem;color:var(--muted)}
.mark.wait{color:var(--muted)}

.chat{display:flex;flex-direction:column;gap:10px}
.chat-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;max-height:320px;min-height:80px;overflow-y:auto;font-size:.92rem}
.chat-list:empty::before{content:"No messages yet.";color:var(--muted)}
.chat-list li{display:flex;flex-direction:column;background:var(--sunk);border-radius:8px;padding:6px 10px;overflow-wrap:anywhere}
.chat-list li.mine{background:var(--pencil-soft)}
.chat-list b{font-size:.78rem;color:var(--muted)}
.chat-form{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}

/* problem pictures */
.pic{display:block;margin-top:10px;max-width:100%;height:auto}
.pic .sh{fill:var(--s-alg);fill-opacity:.18;stroke:var(--ink);stroke-width:2.5;stroke-linejoin:round}
.pic .face{fill:var(--surface);stroke:var(--ink);stroke-width:2.5}
.pic .cn{font:700 12px var(--f-body);fill:var(--ink);text-anchor:middle}
.pic .tk{stroke:var(--muted);stroke-width:1}
.pic .hh{stroke:var(--ink);stroke-width:5;stroke-linecap:round}
.pic .mh{stroke:var(--s-num);stroke-width:3;stroke-linecap:round}
.pic .pin{fill:var(--ink)}
.pic .cell{fill:var(--surface);stroke:var(--ink);stroke-width:2}
.pic .dot{fill:var(--s-num)}
.pic .on{fill:var(--s-frac);stroke:var(--ink);stroke-width:2}
.pic .off{fill:var(--surface);stroke:var(--ink);stroke-width:2}
.pic .pbar{fill:var(--s-data);stroke:var(--ink);stroke-width:1.5}
.pic .cube{fill:var(--s-geo);fill-opacity:.35;stroke:var(--ink);stroke-width:1.5}
.pic .lbl{font:700 13px var(--f-body);fill:var(--ink)}
.pic .ln{stroke:var(--ink);stroke-width:2;fill:none}
.pic .soft{fill:var(--s-alg);fill-opacity:.12;stroke:var(--ink);stroke-width:2}
.dots.sort span.b{background:var(--s-alg);border-radius:3px}
.dots.sort span.g{background:var(--s-geo);border-radius:0;clip-path:polygon(50% 0,100% 100%,0 100%)}
.arr{display:inline-grid;gap:8px;margin-top:10px}
.arr span{width:20px;height:20px;border-radius:50%;background:var(--s-ratio)}

.tw{border-collapse:collapse;margin-top:10px;font-size:1rem;width:auto}
.tw th,.tw td{border:1px solid var(--line);padding:6px 12px;text-align:center;white-space:nowrap}
.tw th{background:var(--sunk);font-size:.8rem;letter-spacing:0;text-transform:none;color:var(--ink)}
.mat{display:inline-grid;grid-template-columns:auto auto;gap:2px 14px;padding:2px 10px;border-left:2px solid currentColor;border-right:2px solid currentColor;border-radius:4px;vertical-align:middle;font-family:var(--f-mono)}
.mat span{text-align:right}
.meta .cc,.rows .cc{font-family:var(--f-mono);font-size:.72rem;color:var(--muted);letter-spacing:.02em}
.pic .open{fill:var(--surface);stroke:var(--ink);stroke-width:2}

/* families, billing, admin */
.price{font-weight:700;color:var(--ink)!important;background:var(--pencil-soft);border:1px solid var(--pencil);border-radius:var(--r);padding:10px 14px;display:inline-block}
.banner.ok{background:var(--ok-soft);border-color:var(--ok)}
.banner.warn{background:var(--bad-soft);border-color:var(--bad)}
.pill.bad{background:var(--bad-soft);color:var(--bad)}
td .sub{display:block;font-size:.8rem;color:var(--muted)}
tr.muted td{color:var(--muted)}
.row-tools{display:flex;flex-wrap:wrap;gap:6px;align-items:center;white-space:normal;min-width:260px}
.inline-form{display:flex;gap:6px;flex-basis:100%}
.inline-form input{max-width:240px}
select.assign{padding:4px 8px;width:auto;min-width:130px}
.pause-panel{display:flex;flex-direction:column;align-items:flex-start;gap:10px;margin:20px 0 12px}
.pause-panel .hint{margin:0}