/* ==========================================================================
   Remedy Finder — design system
   Clinical workbench: warm paper, teal ink, tabular numerals, 44px targets.
   ========================================================================== */
:root{
  --paper:#f6f4ef; --surface:#fffdf8; --surface-2:#efece4; --surface-3:#e7e3d9;
  --ink:#1a1a17; --ink-2:#6d685d; --ink-3:#8f8a7d;
  --line:#e0dbcf; --line-2:#cfc9ba;
  --accent:#0f766e; --accent-2:#0d8f84; --accent-ink:#ffffff; --accent-soft:#e6f2f0;
  --gold:#a8701a; --gold-soft:#fbf1df;
  --danger:#a5231f; --danger-soft:#fbeceb;
  --ok:#2f6b3d; --ok-soft:#e9f3ea;
  --r-s:8px; --r-m:12px; --r-l:18px;
  --sh-1:0 1px 0 rgba(26,26,23,.04),0 1px 2px rgba(26,26,23,.05);
  --sh-2:0 2px 4px rgba(26,26,23,.06),0 10px 24px -12px rgba(26,26,23,.18);
  --sh-3:0 24px 60px -20px rgba(26,26,23,.35);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  --focus:0 0 0 2px var(--surface),0 0 0 4px var(--accent);
  --rail:76px; --topbar:64px; --tabbar:0px;
}
[data-theme="dark"]{
  --paper:#0e1211; --surface:#151b19; --surface-2:#1c2422; --surface-3:#243029;
  --ink:#ece9e1; --ink-2:#9aa39c; --ink-3:#78817b;
  --line:#28322e; --line-2:#374640;
  --accent:#2fbfae; --accent-2:#48d3c2; --accent-ink:#08211e; --accent-soft:#11312d;
  --gold:#e0a94a; --gold-soft:#2a2317;
  --danger:#e4796f; --danger-soft:#2c1b19;
  --ok:#7fc48f; --ok-soft:#152a1c;
  --sh-1:0 1px 2px rgba(0,0,0,.5); --sh-2:0 8px 24px -12px rgba(0,0,0,.7); --sh-3:0 30px 70px -20px rgba(0,0,0,.8);
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%}
body{font-family:var(--font);background:var(--paper);color:var(--ink);line-height:1.5;
  -webkit-font-smoothing:antialiased;font-size:15px;overflow:hidden}
button{font:inherit;color:inherit;cursor:pointer;border:none;background:none;-webkit-tap-highlight-color:transparent}
input,select,textarea{font:inherit;color:inherit;font-family:inherit}
h1,h2,h3,h4,h5{margin:0;font-weight:650;letter-spacing:-.01em}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:6px}
mark{background:var(--gold-soft);color:var(--ink);font-weight:600;border-radius:3px;padding:0 1px}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;top:-60px;left:8px;z-index:200;background:var(--accent);color:var(--accent-ink);padding:10px 16px;border-radius:0 0 var(--r-s) var(--r-s);font-weight:600;text-decoration:none;transition:top .18s}
.skip:focus{top:0}

/* ---------------- shell ---------------- */
.shell{display:grid;grid-template-columns:var(--rail) 1fr;height:100dvh;min-height:0}
.shell>*,.main,.workspace>*,.picker,.symptoms,.results{min-width:0}
.rail{display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 8px;
  background:var(--surface);border-right:1px solid var(--line);z-index:40}
.rail-mark{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;margin-bottom:8px;
  background:linear-gradient(150deg,var(--accent),var(--accent-2));color:#fff;font-size:19px;
  box-shadow:var(--sh-1);text-decoration:none}
.rail-btn{width:56px;min-height:52px;border-radius:12px;display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:3px;color:var(--ink-2);font-size:10.5px;font-weight:600;letter-spacing:.01em;
  transition:background .12s,color .12s}
.rail-btn span{font-size:17px;line-height:1}
.rail-btn:hover{background:var(--surface-2);color:var(--ink)}
.rail-btn[aria-current="page"]{background:var(--accent-soft);color:var(--accent)}
.rail-spacer{flex:1}
.main{display:flex;flex-direction:column;min-width:0;min-height:0}

/* ---------------- top bar ---------------- */
.topbar{height:var(--topbar);display:flex;align-items:center;gap:10px;padding:0 14px;
  border-bottom:1px solid var(--line);background:var(--surface);flex:0 0 auto;z-index:30}
.brand{display:flex;align-items:center;gap:9px;min-width:0}
.brand .mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;color:#fff;font-size:16px;
  background:linear-gradient(150deg,var(--accent),var(--accent-2))}
.btitle{font-size:14px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.bsub{font-size:11px;color:var(--ink-2);white-space:nowrap}
.casebar{flex:1;min-width:120px;max-width:340px;display:flex;align-items:center;gap:6px;
  background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:0 10px;height:40px}
.casebar input{flex:1;min-width:0;border:none;background:none;height:100%;font-size:13.5px}
.casebar input::placeholder{color:var(--ink-3)}
.seg{display:flex;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:3px;gap:2px}
.seg .tab{min-height:32px;padding:0 12px;border-radius:8px;font-size:12.5px;font-weight:600;color:var(--ink-2);white-space:nowrap}
.seg .tab[aria-selected="true"]{background:var(--accent);color:var(--accent-ink);box-shadow:var(--sh-1)}
.seg .tab:hover:not([aria-selected="true"]){background:var(--surface-2);color:var(--ink)}
.topact{display:flex;align-items:center;gap:4px;margin-left:auto}
.ib{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;font-size:16px;
  color:var(--ink-2);border:1px solid transparent;transition:background .12s,color .12s}
.ib:hover{background:var(--surface-2);color:var(--ink);border-color:var(--line)}
.ib:active{transform:scale(.96)}
.acts{display:flex;align-items:center;gap:4px}

/* ---------------- workspace ---------------- */
.workspace{flex:1;display:grid;grid-template-columns:minmax(330px,38%) 1fr;min-height:0;overflow:hidden}
.picker{position:relative;display:flex;flex-direction:column;min-height:0;border-right:1px solid var(--line);background:var(--paper)}
.searchrow{padding:10px 12px 6px;flex:0 0 auto}
.sw{position:relative}
.si{width:100%;height:46px;padding:0 40px 0 38px;border-radius:12px;background:var(--surface);
  border:1px solid var(--line);font-size:14.5px;transition:border-color .12s,box-shadow .12s}
.si::placeholder{color:var(--ink-3)}
.si:focus{border-color:var(--accent);box-shadow:var(--focus);outline:none}
.sic{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--ink-3);font-size:15px;pointer-events:none}
.sx{position:absolute;right:6px;top:50%;transform:translateY(-50%);width:32px;height:32px;border-radius:50%;color:var(--ink-2)}
.sx:hover{background:var(--surface-2)}
.cats{display:flex;gap:6px;overflow-x:auto;padding:2px 12px 8px;scrollbar-width:none;flex:0 0 auto}
.cats::-webkit-scrollbar{display:none}
.cp{min-height:32px;padding:0 12px;border-radius:999px;background:var(--surface);border:1px solid var(--line);
  font-size:12.5px;font-weight:600;white-space:nowrap;color:var(--ink-2);transition:all .12s}
.cp:hover{background:var(--surface-2);color:var(--ink)}
.cp[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--surface)}
[data-theme="dark"] .cp[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.packs{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:6px;padding:0 12px 10px;flex:0 0 auto}
.pk{text-align:left;padding:8px 10px;border-radius:11px;background:var(--surface);border:1px solid var(--line);
  transition:all .12s;min-height:58px}
.pk:hover{border-color:var(--accent);background:var(--accent-soft)}
.pk[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft)}
.pke{display:block;font-size:15px;line-height:1.2;margin-bottom:2px}
.pkn{display:block;font-size:12px;font-weight:650;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pkc{display:block;font-size:10.5px;color:var(--ink-3);font-variant-numeric:tabular-nums}

/* ---------------- picker mode switch ---------------- */
.modeswitch{display:flex;gap:3px;padding:8px 12px 0;flex:0 0 auto}
.pm{flex:1;min-height:32px;border-radius:8px;font-size:12px;font-weight:700;color:var(--ink-2);
 background:var(--surface);border:1px solid var(--line)}
.pm[aria-selected="true"]{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.pm:hover:not([aria-selected="true"]){background:var(--surface-2);color:var(--ink)}
.sc.rb-row span:nth-child(2){font-size:12.5px;line-height:1.35}
.sc.rb-row .n{background:var(--accent-soft);color:var(--accent)}
.sc.txt-row{align-items:flex-start;padding:10px 10px}
.sc.txt-row>span{display:block;min-width:0}
.sc.txt-row b{font-size:13px}
.sc.txt-row .lt{display:inline;font-size:10.5px;color:var(--ink-3);margin-left:6px;font-style:normal;text-transform:uppercase;letter-spacing:.05em}
.sc.txt-row .snip{display:block;font-size:11.5px;color:var(--ink-2);line-height:1.45;margin-top:3px}
.sc.txt-row mark{background:var(--gold-soft);color:var(--ink);font-weight:700}
.trc-chip.rbchip{background:var(--gold-soft);border-color:color-mix(in srgb,var(--gold) 30%,transparent);color:var(--gold)}
.trc-chip.rbchip em{font-style:normal;font-weight:800;font-size:9.5px;background:color-mix(in srgb,var(--gold) 22%,transparent);
 border-radius:4px;padding:1px 4px;margin-right:2px}
.msi.rub{background:var(--gold-soft);color:var(--gold);font-weight:600}

/* ---------------- boards ---------------- */
.boards{display:flex;gap:5px;padding:8px 12px 0;overflow-x:auto;scrollbar-width:none;flex:0 0 auto}
.boards::-webkit-scrollbar{display:none}
.bd-chip{display:inline-flex;align-items:center;gap:6px;min-height:28px;padding:0 9px;border-radius:8px;
 background:var(--surface);border:1px solid var(--line);font-size:11.5px;font-weight:650;color:var(--ink-2);white-space:nowrap}
.bd-chip:hover{background:var(--surface-2);color:var(--ink)}
.bd-chip.on{background:var(--ink);border-color:var(--ink);color:var(--surface)}
[data-theme="dark"] .bd-chip.on{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.bd-chip span{font-size:10px;opacity:.7;font-variant-numeric:tabular-nums}
.bd-chip.add{font-size:14px;padding:0 8px;font-weight:700}
.langrow{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin-bottom:12px;font-size:12px;color:var(--ink-2)}
.langrow>span{font-weight:700;text-transform:uppercase;letter-spacing:.06em;font-size:10.5px;margin-right:2px}

/* ---------------- symptom list ---------------- */
.symptoms{flex:1;overflow-y:auto;padding:0 8px 96px;scrollbar-width:thin;scroll-behavior:smooth}
.symptoms::-webkit-scrollbar{width:9px}
.symptoms::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:9px;border:2px solid var(--paper)}
.ss{margin-bottom:2px}
.sh{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:8px;width:100%;
  padding:9px 8px;background:var(--paper);border-bottom:1px solid var(--line);font-size:11px;
  font-weight:750;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-2);cursor:pointer}
.sh:hover{color:var(--ink)}
.sh .ct{font-size:10.5px;letter-spacing:0;background:var(--surface-2);padding:1px 7px;border-radius:999px;
  color:var(--ink-2);font-weight:600;font-variant-numeric:tabular-nums}
.sh .ch{font-size:10px;transition:transform .18s;color:var(--ink-3);margin-left:auto}
.ss.open .ch{transform:rotate(90deg)}
.sl{display:none;padding:2px 0 6px}
.ss.open .sl{display:block}
.sc{display:flex;align-items:center;gap:10px;min-height:42px;padding:7px 10px;border-radius:10px;
  font-size:13.5px;cursor:pointer;border:1px solid transparent;transition:background .1s,border-color .1s}
.sc:hover{background:var(--surface)}
.sc input{appearance:none;width:19px;height:19px;flex:0 0 19px;border-radius:6px;border:1.5px solid var(--line-2);
  background:var(--surface);display:grid;place-items:center;transition:all .12s;cursor:pointer}
.sc input::after{content:"";width:9px;height:9px;border-radius:3px;background:transparent;transition:background .12s}
.sc input:checked{background:var(--accent);border-color:var(--accent)}
.sc input:checked::after{background:#fff}
.sc.sel{background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent) 28%,transparent)}
.sc span{flex:1;min-width:0}
.sc .n{flex:0 0 auto;font-size:10.5px;color:var(--ink-3);font-variant-numeric:tabular-nums;
  background:var(--surface-2);border-radius:999px;padding:1px 7px}
.sc .n.rare{background:var(--gold-soft);color:var(--gold)}

/* ---------------- dock / tray ---------------- */
.dock{position:absolute;left:0;right:0;bottom:0;padding:10px 12px;background:linear-gradient(to top,var(--paper) 70%,transparent);pointer-events:none;z-index:12}
.tray{pointer-events:auto;background:var(--surface);border:1px solid var(--line-2);border-radius:14px;
  padding:8px 10px;box-shadow:var(--sh-2);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.trc{font-size:12px;font-weight:700;color:var(--ink-2);white-space:nowrap;font-variant-numeric:tabular-nums}
.trch{display:flex;gap:5px;flex-wrap:wrap;flex:1;min-width:0;max-height:70px;overflow-y:auto}
.trc-chip{display:inline-flex;align-items:center;gap:5px;padding:3px 4px 3px 9px;background:var(--accent-soft);
  border:1px solid color-mix(in srgb,var(--accent) 25%,transparent);border-radius:999px;font-size:11.5px;
  color:var(--accent);font-weight:600}
.trc-chip button{color:var(--accent);font-size:13px;line-height:1;padding:2px 4px;border-radius:50%}
.trc-chip button:hover{background:color-mix(in srgb,var(--accent) 15%,transparent)}

/* ---------------- icons ---------------- */
.i{width:20px;height:20px;flex:0 0 auto;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.i-sm{width:16px;height:16px}
.i-lg{width:22px;height:22px}
.btn .i{width:16px;height:16px}

/* ---------------- buttons ---------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:40px;padding:0 14px;
  border-radius:10px;font-weight:650;font-size:13.5px;transition:background .12s,border-color .12s,transform .06s;
  border:1px solid transparent;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.bp,.btn-primary{background:var(--accent);color:var(--accent-ink);box-shadow:var(--sh-1)}
.bp:hover,.btn-primary:hover{background:var(--accent-2)}
.bg,.btn-ghost{background:var(--surface);border-color:var(--line-2);color:var(--ink)}
.bg:hover,.btn-ghost:hover{background:var(--surface-2);border-color:var(--ink-3)}
.bd{background:var(--danger-soft);color:var(--danger);border-color:color-mix(in srgb,var(--danger) 25%,transparent)}
.bd:hover{background:var(--danger);color:#fff}
.btn-sm{min-height:32px;padding:0 10px;font-size:12px;border-radius:8px}

/* ---------------- results ---------------- */
.results{overflow-y:auto;padding:16px 18px 60px;background:var(--paper);min-width:0}
.results:empty{display:flex;align-items:center;justify-content:center}
.rh{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.rt{font-size:17px;font-weight:700;letter-spacing:-.015em}
.rs{font-size:12px;color:var(--ink-2);margin-top:2px}
.case-strip{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:14px}
.rc{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:12px 14px;
  margin-bottom:8px;transition:border-color .12s,box-shadow .12s}
.rc:hover{border-color:var(--line-2);box-shadow:var(--sh-1)}
.rc.top{border-color:color-mix(in srgb,var(--accent) 35%,var(--line))}
.rct{display:flex;align-items:flex-start;gap:10px}
.rct>div:first-child{flex:1;min-width:0}
.rn{font-size:15px;font-weight:700;letter-spacing:-.01em}
.rl{font-size:11.5px;color:var(--ink-2);font-style:italic;margin-top:1px}
.rr{flex:0 0 auto;font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px;background:var(--surface-2);
  color:var(--ink-2);font-variant-numeric:tabular-nums}
.rr.top{background:var(--accent);color:var(--accent-ink)}
.scs{display:flex;gap:16px;margin-top:9px;flex-wrap:wrap;align-items:flex-end}
.sc2{font-size:12px;min-width:76px}
.sc2-l{display:block;color:var(--ink-3);font-size:10px;text-transform:uppercase;letter-spacing:.07em;font-weight:700}
.sc2-v{font-weight:700;font-size:14.5px;font-variant-numeric:tabular-nums}
.sb{height:4px;background:var(--surface-3);border-radius:3px;margin-top:5px;overflow:hidden;width:96px}
.sbf{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2));border-radius:3px;transition:width .4s}
.ms{margin-top:9px;display:flex;flex-wrap:wrap;gap:4px}
.msi{font-size:11px;padding:2px 8px;border-radius:999px;background:var(--surface-2);color:var(--ink-2)}
.msi.u{background:var(--accent-soft);color:var(--accent);font-weight:600}
.ra{display:flex;gap:5px;margin-top:10px;flex-wrap:wrap}
.ra .btn{padding:0 10px;min-height:32px;font-size:12px;border-radius:8px}
.emp{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  padding:56px 20px;text-align:center;color:var(--ink-2);font-size:13.5px}
.emp-i{font-size:34px;opacity:.55}
.disc{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent);
  padding:10px 12px;border-radius:10px;font-size:12px;color:var(--ink-2);margin-bottom:14px;line-height:1.55}
.disc strong{color:var(--ink)}

/* ---------------- modal ---------------- */
.mb{position:fixed;inset:0;background:rgba(18,20,18,.5);display:none;align-items:center;justify-content:center;
  z-index:120;padding:20px;backdrop-filter:blur(3px)}
.mb.open{display:flex}
.md{background:var(--surface);width:100%;max-width:760px;max-height:88vh;border-radius:var(--r-l);
  overflow-y:auto;box-shadow:var(--sh-3);animation:pop .18s ease-out}
@keyframes pop{from{transform:translateY(12px) scale(.99);opacity:0}to{transform:none;opacity:1}}
.mh{position:sticky;top:0;background:var(--surface);padding:14px 16px;border-bottom:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:12px;z-index:2}
.mt{font-size:16.5px;font-weight:700;letter-spacing:-.015em}
.msu{font-size:11.5px;color:var(--ink-2);font-style:italic}
.mbd{padding:16px 18px 26px}
.msec{margin-bottom:16px}
.msec h4{font-size:10.5px;text-transform:uppercase;letter-spacing:.09em;color:var(--ink-3);margin:0 0 6px;font-weight:750}
.msec p,.msec ul{margin:0;font-size:13.5px;line-height:1.62}
.msec ul{padding-left:18px}
.msec li{margin-bottom:2px}
blockquote.quote{margin:0;padding:9px 12px;border-left:3px solid var(--accent);background:var(--surface-2);
  border-radius:0 8px 8px 0;font-size:12.5px;line-height:1.6;color:var(--ink)}
blockquote.quote.alt{border-left-color:var(--gold);background:var(--gold-soft);color:var(--ink)}
.kb{font-size:13px;line-height:1.65}
.wb{background:var(--surface-2);border-radius:10px;padding:10px 12px;font-size:13px;line-height:1.6}
.srcl{font-size:11.5px;color:var(--ink-2)}
.src-card{border:1px solid var(--line);border-radius:10px;padding:9px 11px;margin-top:6px;background:var(--paper)}
.src-card h5{font-size:12.5px;margin:0 0 2px}
.src-card p{font-size:11.5px;color:var(--ink-2);margin:0}
.src-era{font-size:10.5px;color:var(--ink-3);margin-top:3px}
.xm{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.xo{position:fixed;inset:0;background:var(--paper);z-index:110;display:none;flex-direction:column}
.xo.open{display:flex}
.xt{display:flex;gap:6px;align-items:center;padding:10px 12px;border-bottom:1px solid var(--line);
  background:var(--surface);flex-wrap:wrap}
.xt input{flex:1;min-width:130px;height:38px;border-radius:9px;border:1px solid var(--line);background:var(--paper);padding:0 10px}
.xt select{height:38px;border-radius:9px;border:1px solid var(--line);background:var(--paper);padding:0 8px}
.xc{flex:1;overflow:hidden;padding:0;touch-action:none;position:relative}
.gw{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.gw svg{display:block;width:100%;height:auto}
.gn{cursor:pointer}
.gn:hover circle{stroke-width:3}
.cg{display:grid;gap:8px;margin-top:10px}
.cg.c2{grid-template-columns:1fr 1fr}
.cg.c4{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
.cc{border:1px solid var(--line);border-radius:10px;padding:10px;background:var(--paper)}
.cc h5{font-size:13px;margin-bottom:6px}
.cc ul{margin:0;padding-left:16px;font-size:12.5px;line-height:1.6}
.csh{background:var(--accent-soft);border-radius:10px;padding:9px 11px;font-size:12.5px;margin-bottom:10px}

/* ---------------- tables, matrix, stats ---------------- */
.mx-wrap{overflow:auto;border:1px solid var(--line);border-radius:10px;background:var(--surface)}
.mx{border-collapse:collapse;width:100%;font-size:12px}
.mx th,.mx td{border-bottom:1px solid var(--line);padding:7px 9px;text-align:center}
.mx th{position:sticky;top:0;background:var(--surface-2);font-size:11px;font-weight:700;z-index:1}
.mx .sym-col,.mx td.sym-cell{text-align:left;font-size:12px;min-width:180px}
.mx-ctrls{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}
.mx-ctrls select{height:38px;border-radius:9px;border:1px solid var(--line);background:var(--paper);padding:0 8px;font-size:12.5px}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:8px}
.stat-card{background:var(--paper);border:1px solid var(--line);border-radius:11px;padding:11px}
.stat-num{font-size:22px;font-weight:750;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat-label{font-size:10.5px;text-transform:uppercase;letter-spacing:.07em;color:var(--ink-3);font-weight:700}
.usage-row{display:grid;grid-template-columns:1fr 90px 34px;gap:8px;align-items:center;margin-bottom:5px;font-size:12.5px}
.usage-bar{height:6px;background:var(--surface-3);border-radius:4px;overflow:hidden}
.usage-fill{height:100%;background:var(--accent);border-radius:4px}
.usage-count{font-size:11px;color:var(--ink-2);text-align:right;font-variant-numeric:tabular-nums}
.usage-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------------- clinic / cases ---------------- */
.ci{display:flex;gap:10px;align-items:center;background:var(--paper);border:1px solid var(--line);
  border-radius:12px;padding:10px 12px;margin-bottom:6px}
.ci-i{flex:1;min-width:0}
.ci-n{font-size:13.5px;font-weight:650;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.ci-m{font-size:11.5px;color:var(--ink-2);margin-top:2px}
.ci-a{display:flex;gap:4px}
.case-badge{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;padding:1px 7px;border-radius:999px}
.case-badge.active{background:var(--ok-soft);color:var(--ok)}
.case-badge.completed{background:var(--accent-soft);color:var(--accent)}
.case-badge.archived{background:var(--surface-3);color:var(--ink-2)}
.tag{font-size:10.5px;padding:1px 7px;border-radius:999px;background:var(--surface-2);color:var(--ink-2);font-weight:600}
.stale-dot{width:7px;height:7px;border-radius:50%;background:var(--gold);display:inline-block}
.case-search{display:grid;grid-template-columns:1fr auto auto auto;gap:6px;margin-bottom:12px}
.case-search input,.case-search select{height:38px;border-radius:9px;border:1px solid var(--line);background:var(--paper);padding:0 9px;font-size:12.5px;min-width:0}
.clinic-form .form-row{margin-bottom:10px}
.form-row label{display:block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-3);margin-bottom:4px}
.form-row input,.form-row select,.form-row textarea{width:100%;min-height:40px;border-radius:9px;border:1px solid var(--line);background:var(--paper);padding:8px 10px;font-size:13.5px}
.form-row textarea{min-height:80px;resize:vertical}
.form-row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}
.cl{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}
.fu{border-left:2px solid var(--accent);padding-left:10px;margin-bottom:9px}
.fu-date{font-size:10.5px;color:var(--ink-3);font-weight:700;text-transform:uppercase;letter-spacing:.05em}
.fu-remedy{font-size:13px;font-weight:650}
.backup-note{background:var(--gold-soft);border:1px solid color-mix(in srgb,var(--gold) 30%,transparent);color:var(--gold);
  border-radius:10px;padding:8px 11px;font-size:12px;margin-bottom:12px;font-weight:600}
.qf{background:var(--surface-2);border-radius:10px;padding:9px 11px;font-size:12.5px;margin-top:8px}

/* ---------------- study / srs / calendar ---------------- */
.srs-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px;margin-bottom:10px}
.srs-q{font-size:15px;font-weight:650;line-height:1.5}
.srs-a{margin-top:10px;font-size:14px;color:var(--accent);font-weight:600;display:none}
.srs-card.show .srs-a{display:block}
.srs-btn{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:12px}
.srs-st{display:flex;gap:10px;flex-wrap:wrap;font-size:11.5px;color:var(--ink-2);margin-bottom:10px;align-items:center}
.srs-p{height:5px;background:var(--surface-3);border-radius:3px;overflow:hidden;flex:1;min-width:80px}
.srs-b{height:100%;background:var(--accent)}
.streak{display:inline-flex;align-items:center;gap:5px;background:var(--gold-soft);color:var(--gold);
  border-radius:999px;padding:2px 9px;font-size:11.5px;font-weight:700}
.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}
.cal-h{font-size:9.5px;text-transform:uppercase;color:var(--ink-3);text-align:center;font-weight:700;letter-spacing:.05em}
.cal-d{aspect-ratio:1;border-radius:8px;background:var(--surface-2);display:flex;flex-direction:column;
  align-items:center;justify-content:center;font-size:11px;color:var(--ink-2);gap:1px;cursor:pointer;border:1px solid transparent}
.cal-d:hover{border-color:var(--line-2)}
.cal-d.has{background:var(--accent-soft);color:var(--accent);font-weight:700}
.cal-d.today{outline:2px solid var(--accent);outline-offset:-2px}
.cal-dn{font-size:10px;font-weight:700}
.cal-cnt{font-size:9px;opacity:.8}
.cal-title{font-size:13.5px;font-weight:700;margin-bottom:8px}
.cal-nav{display:flex;gap:6px;align-items:center;margin-bottom:8px}

/* ---------------- families / about / misc ---------------- */
.fam-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px}
.fam-card{background:var(--paper);border:1px solid var(--line);border-radius:11px;padding:10px;text-align:left;transition:border-color .12s}
.fam-card:hover{border-color:var(--accent)}
.fam-name{font-size:13px;font-weight:700}
.fam-count{font-size:10.5px;color:var(--ink-3)}
.fam-desc{font-size:11.5px;color:var(--ink-2);margin-top:4px;line-height:1.5}
.fam-rem{display:flex;justify-content:space-between;gap:8px;padding:6px 0;border-bottom:1px solid var(--line);font-size:12.5px}
.fam-rem-name{font-weight:650}
.fam-rem-kn{color:var(--ink-2);font-size:11.5px;text-align:right;max-width:55%}
.fam-rem-list{margin-top:8px}
.about-card{text-align:center;padding:6px 0}
.about-avatar{width:56px;height:56px;border-radius:50%;background:linear-gradient(150deg,var(--accent),var(--accent-2));
  color:#fff;display:grid;place-items:center;font-weight:750;font-size:19px;margin:0 auto 10px}
.about-name{font-size:16px;font-weight:750}
.about-role{font-size:12px;color:var(--ink-2);margin-bottom:10px}
.about-bio{font-size:12.5px;color:var(--ink-2);line-height:1.6;text-align:left;margin:8px 0}
.about-meta{display:flex;gap:6px;flex-wrap:wrap;justify-content:center;font-size:11px;color:var(--ink-2);margin:10px 0}
.about-meta span{background:var(--surface-2);border-radius:999px;padding:3px 9px}
.about-divider{border:none;border-top:1px solid var(--line);margin:12px 0}
.about-badge{display:inline-block;font-size:10.5px;font-weight:700;background:var(--accent-soft);color:var(--accent);
  border-radius:999px;padding:2px 9px;margin:0 3px 4px 0}
.about-footer{font-size:11px;color:var(--ink-3);line-height:1.6}
.ai{display:flex;gap:8px;padding:8px 11px;border-radius:9px;font-size:12.5px;margin-bottom:5px;background:var(--surface-2)}
.ai.err{background:var(--danger-soft);color:var(--danger)}
.ai.warn{background:var(--gold-soft);color:var(--gold)}
.ai.ok{background:var(--ok-soft);color:var(--ok)}
.a11y-item{display:flex;gap:8px;font-size:12.5px;padding:6px 0;border-bottom:1px solid var(--line)}
.kbd-grid{display:grid;grid-template-columns:1fr auto;gap:6px 12px;font-size:12.5px}
.kbd{font-family:var(--mono);font-size:11px;background:var(--surface-2);border:1px solid var(--line-2);
  border-radius:5px;padding:1px 6px;font-weight:600}
.toast{position:fixed;left:50%;bottom:calc(var(--tabbar) + 78px);transform:translate(-50%,20px);
  background:var(--ink);color:var(--surface);padding:10px 16px;border-radius:10px;font-size:12.5px;font-weight:600;
  opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:200;max-width:88vw;text-align:center}
.toast.on{opacity:1;transform:translate(-50%,0)}

/* ---------------- mobile tab bar ---------------- */
.tabbar{display:none;position:fixed;left:0;right:0;bottom:0;height:calc(58px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);background:var(--surface);border-top:1px solid var(--line);
  z-index:70;align-items:stretch}
.tabbar button{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  font-size:10px;font-weight:650;color:var(--ink-2);min-height:44px}
.tabbar button span{font-size:18px;line-height:1}
.tabbar button[aria-current="page"]{color:var(--accent)}
.tabbar button[aria-current="page"]::before{content:"";position:absolute;top:0;height:2px;width:34px;background:var(--accent);border-radius:2px}
.tabbar button{position:relative}

/* ---------------- responsive ---------------- */
@media (max-width:1100px){
  .workspace{grid-template-columns:minmax(300px,44%) 1fr}
  .bsub{display:none}
  .casebar{max-width:220px}
}
@media (max-width:820px){
  :root{--rail:0px;--topbar:56px;--tabbar:58px}
  .shell{grid-template-columns:1fr}
  .rail{display:none}
  .topbar{padding:0 10px;gap:6px}
  .brand .mark{width:30px;height:30px;font-size:14px}
  .btitle{font-size:13px}
  .casebar{max-width:none;height:38px}
  .seg{display:none}
  .topact .ib:not(.keep){display:none}
  .workspace{grid-template-columns:1fr}
  .picker{border-right:none}
  .results{position:fixed;inset:0;top:0;z-index:90;padding:14px 12px 90px;
    transform:translateX(100%);transition:transform .22s ease;will-change:transform}
  .results.open{transform:none}
  .results .mobile-close{display:inline-flex}
  .tabbar{display:flex}
  .dock{bottom:var(--tabbar);padding-bottom:8px}
  .symptoms{padding-bottom:150px}
  .md{max-height:92dvh;border-radius:16px 16px 0 0;align-self:flex-end}
  .mb{align-items:flex-end;padding:0}
  .mb.open .md{animation:sheet .22s ease-out}
  @keyframes sheet{from{transform:translateY(30px);opacity:.6}to{transform:none;opacity:1}}
  .case-search{grid-template-columns:1fr 1fr}
  .case-search input{grid-column:1/-1}
  .xm{grid-template-columns:1fr}
  .srs-btn{grid-template-columns:1fr 1fr}
  .toast{bottom:calc(var(--tabbar) + 70px)}
  .tray{flex-direction:column;align-items:stretch;gap:8px;padding:10px}
  .trch{max-height:none;flex-wrap:nowrap;overflow-x:auto;padding-bottom:2px}
  .trc-chip{flex:0 0 auto}
  .tray .btn.bp{width:100%;min-height:48px;font-size:15px}
  .rh .btn{padding:0 12px}
  #b-bk{display:none}
  .form-row-3{grid-template-columns:1fr 1fr}
}
.mobile-close{display:none}
@media (max-width:420px){
  .packs{grid-template-columns:repeat(3,1fr)}
  .pk{min-height:54px;padding:7px 8px}
  .pkn{font-size:11.5px}
  .scs{gap:10px}
  .sc2{min-width:64px}
}


/* ---------------- pins, remedy rows, rubric provenance ---------------- */
.pinbar{display:flex;gap:6px;flex-wrap:wrap;margin:0 0 12px}
.pin{display:flex;align-items:center;gap:10px;background:var(--gold-soft);border:1px solid color-mix(in srgb,var(--gold) 28%,transparent);
 border-radius:11px;padding:7px 10px;min-width:0}
.pin strong{display:block;font-size:12.5px;color:var(--gold);letter-spacing:-.01em}
.pin span{display:block;font-size:10.5px;color:var(--gold);opacity:.85;font-variant-numeric:tabular-nums}
.pin button{color:var(--gold);font-size:13px;padding:2px 5px;border-radius:50%}
.pin button:hover{background:color-mix(in srgb,var(--gold) 15%,transparent)}
.btn.on{background:var(--gold-soft);border-color:color-mix(in srgb,var(--gold) 35%,transparent);color:var(--gold)}
.sc.rem .kd{width:19px;height:19px;flex:0 0 19px;border-radius:6px;background:var(--accent-soft);color:var(--accent);
 display:grid;place-items:center;font-size:10px;font-weight:750;text-transform:uppercase}
.sc.rem .lt{display:block;font-size:11px;color:var(--ink-2);font-style:italic}
.sc.rem span:nth-child(2){line-height:1.25}
.rb{margin:0 0 7px!important;padding:7px 10px;background:var(--surface-2);border-radius:8px}
.rb .rbp{display:block;font-size:12px;font-weight:600;color:var(--ink);line-height:1.4}
.rb .rbn{display:block;font-size:10.5px;color:var(--ink-3);margin-top:2px}
@media print{
  body.print-one .shell,body.print-one .tabbar,body.print-one .toast,body.print-one .ph{display:none!important}
  body.print-one .mb{position:static;display:block;background:none;padding:0;backdrop-filter:none}
  body.print-one .md{box-shadow:none;max-height:none;border-radius:0;max-width:100%;overflow:visible}
  body.print-one .md .mh .ib,body.print-one .md .mh [data-print-one]{display:none}
  body.print-one .md .mh{position:static}
  .pinbar{display:none}
}

/* ---------------- explorer ---------------- */
.xc{cursor:grab;overflow:hidden;background:var(--paper);touch-action:none;-webkit-user-select:none;user-select:none}
.xleg{display:flex;flex-wrap:wrap;gap:12px;align-items:center;padding:6px 12px;font-size:11px;color:var(--ink-2);
 border-top:1px solid var(--line);background:var(--surface)}
.xleg i{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:5px;vertical-align:middle}
.xleg .ln{display:inline-block;width:16px;height:0;border-top:2px solid #b9c2c9;vertical-align:middle;margin-right:5px}
.xleg .ln.dash{border-top-style:dashed}

/* ---------------- thermal ---------------- */
.thermal{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;border-radius:11px;padding:8px 11px;margin-bottom:12px;
 font-size:11.5px;border:1px solid var(--line)}
.thermal.cold{background:#e8f1fb;border-color:#c5d9ef;color:#1d4e79}
.thermal.hot{background:#fdeee7;border-color:#f3cdbc;color:#8a3b18}
.thermal.mixed{background:var(--surface-2);border-color:var(--line-2);color:var(--ink-2)}
.th-label{font-weight:800;letter-spacing:.02em;text-transform:uppercase;font-size:10.5px}
.th-ev{color:inherit;opacity:.85}
.th-ev b{font-weight:800}
.th-note{margin-left:auto;font-size:10.5px;opacity:.7;white-space:nowrap}
@media print{.thermal{display:none}}

/* ---------------- rubric filter ---------------- */
.rubbar{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.rubcount{font-size:11.5px;color:var(--ink-3);flex:1}
.btn.on{background:var(--accent-soft);color:var(--accent);border-color:transparent}

/* ---------------- a11y ---------------- */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.sc:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;border-radius:8px}

/* ---------------- case comparison ---------------- */
.cmp-list{list-style:none;margin:0;padding:0;font-size:12.5px}
.cmp-list li{padding:5px 0;border-bottom:1px solid var(--line);color:var(--ink)}
.cmp-list li span{color:var(--ink-3);font-size:11px;margin-left:6px}
.cmp-table{width:100%;border-collapse:collapse;font-size:12.5px}
.cmp-table th{text-align:left;font-size:10.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-3);padding:4px 6px;border-bottom:1px solid var(--line-2)}
.cmp-table td{padding:5px 6px;border-bottom:1px solid var(--line)}
.cmp-table td.n,.cmp-table th.n{text-align:right;font-variant-numeric:tabular-nums}

/* ---------------- printable case sheet ---------------- */
.pc{display:none}
@media print{
  body.print-case .shell,body.print-case .tabbar,body.print-case .toast,
  body.print-case .ph,body.print-case .mb,body.print-case .xo,body.print-case .pinbar{display:none!important}
  body.print-case .pc{display:block}
  @page{margin:16mm 14mm}
}
.pc h1{font-size:19px;margin:0 0 2px}
.pc .pc-sub{font-size:11.5px;color:#555;margin:0 0 14px}
.pc .pc-grid{display:grid;grid-template-columns:1fr 1fr;gap:2px 18px;margin-bottom:14px;font-size:11.5px}
.pc .pc-grid b{font-weight:600}
.pc h2{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:#666;margin:16px 0 6px;
 border-bottom:1px solid #ddd;padding-bottom:3px}
.pc ol,.pc ul{margin:0;padding-left:18px;font-size:11.5px;line-height:1.5}
.pc table{width:100%;border-collapse:collapse;font-size:11.5px}
.pc th,.pc td{text-align:left;padding:3px 6px;border-bottom:1px solid #eee}
.pc th{font-weight:600;color:#666;font-size:10.5px;text-transform:uppercase;letter-spacing:.05em}
.pc td.n{text-align:right;font-variant-numeric:tabular-nums}
.pc .pc-q{margin:8px 0;font-size:11.5px;line-height:1.55}
.pc .pc-q i{color:#444}
.pc .pc-foot{margin-top:18px;padding-top:8px;border-top:1px solid #ddd;font-size:10px;color:#777;line-height:1.5}

/* ---------------- offline panel ---------------- */
.conn{display:inline-flex;align-items:center;gap:5px;font-size:10.5px;font-weight:700;letter-spacing:.02em;
 padding:3px 9px;border-radius:999px;background:var(--surface-2);color:var(--ink-2);white-space:nowrap}
.conn::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ink-3)}
.conn[data-state="online"]{background:var(--ok-soft);color:var(--ok)}
.conn[data-state="online"]::before{background:var(--ok)}
.conn[data-state="offline"]{background:var(--gold-soft);color:var(--gold)}
.conn[data-state="offline"]::before{background:var(--gold)}
.conn[data-state="file"]{background:var(--accent-soft);color:var(--accent)}
.conn[data-state="file"]::before{background:var(--accent)}
.reminder{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:var(--gold-soft);
 border:1px solid color-mix(in srgb,var(--gold) 30%,transparent);color:var(--gold);border-radius:11px;
 padding:9px 12px;margin-bottom:12px;font-size:12.5px;font-weight:600}
.reminder span{flex:1;min-width:180px}
@media (max-width:820px){.conn{display:none}}

.offgrid{display:grid;grid-template-columns:1fr auto;gap:0 14px;border:1px solid var(--line);border-radius:11px;overflow:hidden}
.offrow{display:contents}
.offrow>span{padding:8px 11px;font-size:12.5px;color:var(--ink-2);border-bottom:1px solid var(--line);background:var(--paper)}
.offrow>b{padding:8px 11px;font-size:12.5px;text-align:right;border-bottom:1px solid var(--line);background:var(--paper);
 font-variant-numeric:tabular-nums;font-weight:650}
.offrow>b.good{color:var(--ok)}
.offrow>b.bad{color:var(--gold)}
.offgrid>*:nth-last-child(-n+2)>*{border-bottom:none}
@media (max-width:520px){.offgrid{grid-template-columns:1fr auto}}

/* ---------------- transfer ---------------- */
.tf-video{width:100%;max-width:340px;border-radius:12px;background:#000;display:block;margin:0 auto 8px}
.qrbox{display:grid;place-items:center;gap:6px;margin-top:12px}
.qrcanvas{background:#fff;border:1px solid var(--line);border-radius:10px;padding:6px;image-rendering:pixelated;max-width:100%}

/* ---------------- vault ---------------- */
.vault-lock{position:fixed;inset:0;z-index:300;display:grid;place-items:center;padding:20px;
 background:var(--paper);background-image:radial-gradient(circle at 50% 0%,var(--accent-soft),transparent 60%)}
.vault-card{width:100%;max-width:400px;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--r-l);padding:26px 24px;box-shadow:var(--sh-3);text-align:center}
.vault-mark{width:46px;height:46px;border-radius:13px;margin:0 auto 14px;display:grid;place-items:center;
 background:linear-gradient(150deg,var(--accent),var(--accent-2));color:#fff;font-size:21px}
.vault-card h2{font-size:18px;margin:0 0 6px}
.vault-card p{font-size:13px;color:var(--ink-2);margin:0 0 16px;line-height:1.55}
.vault-card input{width:100%;height:46px;border-radius:11px;border:1px solid var(--line-2);background:var(--paper);
 padding:0 12px;font-size:14px;margin-bottom:12px;text-align:center;letter-spacing:.02em}
.vault-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.vault-note{font-size:11.5px;color:var(--gold);min-height:16px;margin:10px 0 0}
.recovery-key{font-family:var(--mono);font-size:14px;letter-spacing:.14em;line-height:1.9;background:var(--gold-soft);
 border:1px solid color-mix(in srgb,var(--gold) 30%,transparent);color:var(--gold);border-radius:11px;padding:14px;
 text-align:center;word-break:break-word;font-weight:700}

/* ---------------- print ---------------- */
.ph{display:none}
@media print{
  .shell,.tabbar,.dock,.mb,.toast,.rail,.topbar{display:none !important}
  body{overflow:visible;background:#fff}
  .ph{display:block;margin-bottom:14px;border-bottom:2px solid #000;padding-bottom:8px}
  .ph h1{font-size:18px}
  .results{position:static;transform:none;padding:0}
  .rc{break-inside:avoid;border:1px solid #ccc;box-shadow:none}
  .print-case{display:block}
}
@media (prefers-reduced-motion:reduce){*{animation:none !important;transition:none !important;scroll-behavior:auto !important}}

/* ---------------- explorer on small screens ---------------- */
@media (max-width:700px){
  .xo{padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom)}
  .xt{padding:8px 10px;gap:6px;row-gap:6px}
  .xt input{flex:1 1 100%;order:-1;min-width:0;height:40px;font-size:14px}
  .xt select{flex:1 1 0;min-width:0;height:38px;font-size:11px;padding:0 2px}
  .xt .btn{height:38px;padding:0 10px;font-size:12px}
  .xt #x-cl{flex:0 0 40px;width:40px;padding:0;font-size:0}
  .xt #x-cl::before{content:"✕";font-size:15px}
  .xt #x-zi,.xt #x-zo{flex:0 0 38px;min-width:38px;padding:0;font-size:15px}
  .xt #x-re{flex:0 0 40px;width:40px;padding:0;font-size:0}
  .xt #x-re::before{content:"⟳";font-size:16px}
  .xleg{flex-wrap:nowrap;overflow-x:auto;gap:10px;padding:7px 10px;font-size:11px;
    -webkit-overflow-scrolling:touch;scrollbar-width:none}
  .xleg::-webkit-scrollbar{display:none}
  .xleg span{white-space:nowrap}
  .xleg span:last-child{display:none}
}
@media (max-width:420px){
  .xt #x-re{flex:0 0 auto;padding:0 10px}
  .xleg{font-size:10.5px}
}

/* ---------------- quiz ---------------- */
.qz-rubric{font-size:15px;font-weight:600;line-height:1.45;background:var(--surface-2);border:1px solid var(--line);
 border-radius:12px;padding:14px 16px;margin-bottom:14px}
.qz-opts{display:grid;gap:8px}
.qz-opt{display:flex;justify-content:space-between;align-items:center;gap:10px;width:100%;
 background:var(--surface);border:1px solid var(--line-2);border-radius:11px;padding:12px 14px;
 font-size:13.5px;font-weight:600;color:var(--ink);cursor:pointer;text-align:left;min-height:48px}
.qz-opt span{font-weight:500;font-size:11px;color:var(--ink-3)}
.qz-opt:hover:not(:disabled){border-color:var(--accent);background:var(--accent-soft)}
.qz-opt.right{border-color:var(--ok);background:var(--ok-soft);color:var(--ok)}
.qz-opt.wrong{border-color:#c2410c;background:#fdeee7;color:#8a3b18}
.qz-opt.dim{opacity:.5}
.qz-fb{margin-top:12px;font-size:12.5px;line-height:1.5;padding:10px 12px;border-radius:10px}
.qz-fb.ok{background:var(--ok-soft);color:var(--ok)}
.qz-fb.no{background:#fdeee7;color:#8a3b18}

/* ---------------- study ---------------- */
.study-daily{background:linear-gradient(150deg,var(--accent-soft),transparent 70%);border:1px solid var(--line);
 border-radius:14px;padding:16px 18px;margin-bottom:14px}
.sd-k{font-size:10.5px;text-transform:uppercase;letter-spacing:.07em;color:var(--accent);font-weight:800;margin-bottom:4px}
.sd-n{font-size:17px;font-weight:700;margin-bottom:6px}
.sd-n em{font-size:12.5px;font-weight:500;color:var(--ink-2);font-style:italic}
.study-daily p{font-size:12.5px;line-height:1.5;color:var(--ink-2);margin:0 0 10px}
.study-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.study-tile{display:flex;flex-direction:column;align-items:flex-start;gap:2px;padding:12px 13px;min-height:84px;text-align:left;white-space:normal;height:auto}
.st-ico{color:var(--accent);display:flex;margin-bottom:2px}
.st-t{font-weight:700;font-size:12.5px}
.st-s{font-size:11px;color:var(--ink-2);font-weight:500;line-height:1.35}
@media (max-width:520px){.study-grid{grid-template-columns:1fr 1fr}}