/* simulation: the Simulare page, the running paper, results */
/* ---------- simulation ---------- */
.app.sim{max-width:1240px;zoom:var(--z)}
.sim-start .lead{max-width:62ch}
.auth-wait{display:flex;align-items:center;justify-content:center;gap:12px;min-height:calc(50vh / var(--rz));color:var(--muted);font-weight:700}
.aw-spin{width:22px;height:22px;border-radius:50%;border:3px solid var(--line);border-top-color:var(--acc);animation:awS .8s linear infinite}
@keyframes awS{to{transform:rotate(360deg)}}
.ach-b{display:block;width:100%;height:100%}
dialog.dlg.ach-dlg{width:min(420px,calc(calc(100vw / var(--rz)) - 32px));padding:0;border:none;border-radius:26px;background:var(--card);color:var(--ink);overflow:hidden}
.ach-dlg::backdrop{background:rgba(12,20,45,.55)}
.ach-pop{position:relative;text-align:center;padding:30px 26px 22px}
.ach-rays{position:absolute;left:50%;top:118px;width:520px;height:520px;margin:-260px 0 0 -260px;border-radius:50%;pointer-events:none;opacity:.22;
  background:repeating-conic-gradient(var(--ac) 0 10deg,transparent 10deg 20deg);-webkit-mask:radial-gradient(circle,#000 20%,transparent 62%);mask:radial-gradient(circle,#000 20%,transparent 62%);animation:achSpin 14s linear infinite}
@keyframes achSpin{to{transform:rotate(360deg)}}
.ach-k{position:relative;font-size:13px;font-weight:900;letter-spacing:.12em;text-transform:uppercase;color:var(--ac)}
.ach-big{position:relative;width:132px;height:132px;margin:14px auto 10px;filter:drop-shadow(0 10px 16px rgba(0,0,0,.18));animation:achIn .8s cubic-bezier(.2,1.5,.4,1) both}
@keyframes achIn{0%{transform:scale(.2) rotate(-25deg);opacity:0}100%{transform:none;opacity:1}}
.ach-pop h2{position:relative;margin:0;font-size:26px;line-height:32px}
.ach-pop p{position:relative;margin:6px 0 4px;color:var(--muted);font-size:15px}
.ach-n{position:relative;display:block;font-size:12.5px;color:var(--muted);margin-bottom:16px}
.ach-btns{position:relative;display:flex;flex-direction:column;align-items:center;gap:10px}
.ach-btns .btn{min-width:220px;padding:12px 24px}
@media (prefers-reduced-motion:reduce){.ach-rays,.ach-big{animation:none}}
.pf{max-width:980px;margin:0 auto}
.pf-head{display:flex;align-items:center;gap:20px;background:var(--panel);border-radius:22px;padding:22px 24px;position:relative;overflow:hidden}
.pf-av{flex:none;width:84px;height:84px;border-radius:50%;background:var(--acc);color:var(--on-acc);display:grid;place-items:center;font-size:38px;font-weight:900}
.pf-head .pf-av.lv-r{border-width:5px}
.pf-lv{position:absolute;right:-6px;bottom:-4px;min-width:30px;height:24px;padding:0 7px;border-radius:12px;background:var(--card);color:var(--ink);border:2px solid var(--line2);font-style:normal;font-size:13px;font-weight:900;line-height:20px;text-align:center}
.pf-av{position:relative}
.pf-rg-p{margin:-4px 0 10px;font-size:14px}
.pf-rings{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;margin-bottom:18px}
.rg{display:flex;flex-direction:column;align-items:center;gap:2px;text-align:center;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px 8px 12px}
.rg-av{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;margin-bottom:6px;background:var(--panel);color:var(--muted);border:3px dashed var(--line2);font-size:24px;font-weight:900}
.rg-av svg{width:22px;height:22px}
.rg-av.lv-r{color:var(--on-acc)}
.rg b{font-size:14.5px}.rg-l{font-size:12px;color:var(--muted)}
.rg em{font-style:normal;font-size:12px;font-weight:800;color:var(--muted);margin-top:4px}
.rg em.ok{color:var(--good)}
.rg.cur{border:2px solid var(--acc);box-shadow:0 0 0 4px var(--acc-w)}.rg.cur em{color:var(--acc)}
.rg.next{border-style:dashed;border-color:var(--acc)}.rg.next em{color:var(--acc)}
.rg .lvl-bar{width:80%;height:6px}
.rg:not(.on){opacity:.85}
.pf-head>div{flex:1;min-width:0}
.pf-head h1{margin:2px 0 2px}
.pf-head p{margin:0;font-size:14px}
.pf-m{width:110px;height:104px;flex:none}
.pf-stats{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin:14px 0 6px}
.pf-stats div{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:12px 10px;text-align:center}
.pf-stats b{display:flex;justify-content:center;align-items:center;gap:4px;font-size:24px;line-height:30px;font-weight:900;font-variant-numeric:tabular-nums}
.pf-stats b.fl{color:var(--sun)} .pf-stats b.fl svg{width:20px;height:20px}
.pf-stats span{font-size:12px;color:var(--muted)}
.pf-bar{height:10px;border-radius:5px;background:var(--line);overflow:hidden;margin:-4px 0 6px}
.pf-bar i{display:block;height:100%;border-radius:5px;background:linear-gradient(90deg,var(--acc),var(--good))}
.pf-cat{font-size:15px;margin:22px 0 10px}
.pf-ach{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.ach{display:flex;gap:12px;align-items:center;background:var(--panel);border-radius:16px;padding:12px 14px}
.ach.max{background:linear-gradient(135deg,var(--card),var(--panel))}
.ach.on{background:var(--card);border:1px solid var(--line);box-shadow:inset 4px 0 0 var(--ac)}
.ach .ach-p i{background:var(--acc)}
.ach .ach-b{flex:none;width:60px;height:60px}
.ach:not(.on) .ach-b{opacity:.7}
.ach-t{flex:1;min-width:0}
.ach-t b{display:block;font-size:14.5px;line-height:19px}
.ach-t>span{display:block;font-size:12.5px;line-height:17px;color:var(--muted)}
.ach-h{display:flex;align-items:center;justify-content:space-between;gap:8px}
.ach-pips{display:flex;gap:3px;flex:none}
.ach-pips i{width:8px;height:8px;border-radius:50%;background:var(--line2)}
.ach-t .ach-lv{font-size:11.5px;font-weight:700;color:var(--ac)}
.ach:not(.on) .ach-lv{color:var(--muted)}
.ach-t .ach-next{margin-top:4px;color:var(--ink)}
.ach-t .ach-done{margin-top:4px;color:var(--good);font-weight:700}
.ach-t .ach-c{font-size:11.5px;margin-top:3px;font-variant-numeric:tabular-nums}
.ach-tier{position:relative;display:inline-block;margin:2px 0 8px;padding:3px 12px;border-radius:999px;background:var(--ac);color:#fff;font-size:12.5px;font-weight:900}
.pf-tiers{display:flex;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--muted)}
.pf-tiers span{display:flex;align-items:center;gap:4px}
.pf-tiers i{width:10px;height:10px;border-radius:3px}
.ach-p{display:block;height:6px;border-radius:3px;background:var(--line);margin-top:6px;overflow:hidden}
.ach-p i{display:block;height:100%;background:var(--ac);border-radius:3px}
@media (max-width:900px){.pf-rings{grid-template-columns:repeat(3,minmax(0,1fr))}.pf-ach{grid-template-columns:repeat(2,minmax(0,1fr))}.pf-stats{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:560px){.pf-ach{grid-template-columns:1fr}.pf-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.pf-m{display:none}.pf-av{width:60px;height:60px;font-size:28px}}
.sx-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.sx-head h1{margin-bottom:6px}
.sx-chips{list-style:none;margin:0 0 6px;padding:0;display:grid;grid-template-columns:repeat(2,auto);gap:6px 8px}
.sx-chips li{background:var(--panel);border-radius:999px;padding:5px 12px;font-size:12.5px;color:var(--muted);white-space:nowrap}
.sx-chips b{color:var(--acc);margin-right:3px}
.sx-run{display:flex;align-items:center;gap:14px;background:var(--org-w);border:1.5px solid var(--org);border-radius:16px;padding:14px 18px;margin:18px 0 0}
.sx-run>div{flex:1}.sx-run b{display:block}.sx-run span{font-size:13.5px;color:var(--muted)}.sx-run span b{display:inline;color:var(--org)}
.sx-pulse{width:12px;height:12px;border-radius:50%;background:var(--org);box-shadow:0 0 0 0 var(--org);animation:sxP 1.6s infinite}
@keyframes sxP{0%{box-shadow:0 0 0 0 rgba(181,105,13,.5)}100%{box-shadow:0 0 0 12px rgba(181,105,13,0)}}
.sx-sub{margin:-6px 0 10px;font-size:13.5px}
.sx-sub b{color:var(--ink)}
.sxc{display:flex;gap:12px;flex-wrap:wrap;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px 16px}
.sxc-g{flex:1 1 220px;min-width:0}
.sxc-g:first-child{flex-basis:200px}
.sxc-h{font-size:12px;font-weight:900;letter-spacing:.05em;text-transform:uppercase;color:var(--sc);margin-bottom:8px}
.sxc-bars{display:flex;gap:6px;align-items:flex-end}
.sxc-b{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;min-width:0}
.sxc-v{font-size:12px;font-weight:800;font-variant-numeric:tabular-nums}
.sxc-t{position:relative;width:100%;max-width:34px;height:120px;border-radius:8px;background:var(--sc-w);overflow:hidden}
.sxc-t i{position:absolute;left:0;right:0;bottom:0;background:var(--sc);border-radius:8px 8px 0 0}
.sxc-b.bad .sxc-t{box-shadow:0 0 0 2px var(--bad)}
.sxc-b.bad .sxc-v{color:var(--bad)}
.sxc-l{font-size:12px;font-weight:800;color:var(--muted)}
.sxc-sum{margin:10px 0 0;font-size:13.5px;color:var(--muted)} .sxc-sum b{color:var(--ink)}
.pk-rand{border:1.5px dashed var(--line2);background:none;border-radius:14px;padding:8px 16px;font:700 14px var(--font);color:var(--acc);cursor:pointer}
.pk-rand:hover{background:var(--acc-w)}
.gt-top{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.gt-leg{display:flex;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.gt-leg span{display:flex;align-items:center;gap:6px}
.gt-leg i{width:14px;height:14px;border-radius:4px}
.gt-leg i.done,.gt-sq.done{background:var(--good);color:var(--on-good)}
.gt-leg i.todo{background:var(--card);box-shadow:inset 0 0 0 1.5px var(--line2)}
.gt-leg i.run,.gt-sq.run{background:var(--org);color:#fff}
.gt-wrap{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:16px}
.gt-t{width:100%;border-collapse:collapse}
.gt-t thead th{font-size:12px;font-weight:900;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);background:var(--panel)}
.gt-t tbody th{text-align:left;padding:12px 14px;width:110px;vertical-align:middle;border-top:1px solid var(--line)}
.gt-t tbody th b{display:block;font-size:20px;line-height:24px;font-weight:900}
.gt-t tbody th span{font-size:12px;font-weight:600;color:var(--muted)}
.gt-t td{padding:10px 14px;border-top:1px solid var(--line);border-left:1px solid var(--line);vertical-align:middle}
.gt-t tbody tr:first-child th,.gt-t tbody tr:first-child td{border-top:none}
.gt-cells{display:flex;flex-wrap:wrap;gap:8px}
.gt-none{color:var(--muted);font-weight:800;opacity:.6}
.gt-sq{width:64px;height:64px;border-radius:14px;border:none;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;font:inherit;transition:transform .12s,box-shadow .12s}
.gt-sq.todo{background:var(--panel);color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line2)}
.gt-sq b{font-size:22px;line-height:24px;font-weight:900}
.gt-sq span{font-size:11px;font-weight:800;opacity:.85}
.gt-sq:hover{transform:translateY(-2px);box-shadow:0 6px 14px rgba(42,38,34,.14)}
.gt-sq.todo:hover{box-shadow:inset 0 0 0 1.5px var(--acc),0 6px 14px rgba(42,38,34,.1)}
.gt-sq.sel{outline:3px solid var(--acc);outline-offset:2px}
.gt-ss{display:none}
.gt-sel{margin-top:12px;max-width:520px}
.pk-t{font-size:14px}
.pk-c{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:12px 14px;transition:border-color .15s,transform .15s}
.pk-c:hover{border-color:var(--acc-l);transform:translateY(-2px)}
.pk-c.done{background:linear-gradient(135deg,var(--card),var(--good-w))}
.pk-c.run{border-color:var(--org);background:var(--org-w)}
.pk-v{flex:none;width:58px;height:58px;border-radius:14px;background:var(--acc-w);color:var(--acc);display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1}
.pk-c.done .pk-v{background:var(--good);color:var(--on-good)}
.pk-v span{font-size:9px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;opacity:.8}
.pk-v b{font-size:24px;font-weight:900;margin-top:2px}
.pk-i{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.pk-stars{display:flex;gap:2px}
.pk-stars i{width:16px;height:16px;color:var(--line2)} .pk-stars i.on{color:var(--sun)}
.pk-stars svg{width:100%;height:100%}
.pk-st{font-size:13px;color:var(--muted)} .pk-st b{color:var(--ink)} .pk-st.run{color:var(--org);font-weight:800}
.pk-m{font-size:12px;color:var(--muted)}
.pk-c .btn{flex:none;padding:8px 14px}
.sx-tro{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.tro{position:relative;display:flex;align-items:center;gap:12px;background:var(--panel);border-radius:16px;padding:12px 14px;opacity:.75}
.tro.on{opacity:1;background:var(--card);border:1px solid var(--line)}
.tro-i{flex:none;width:44px;height:44px;color:var(--line2)}
.tro.on .tro-i{color:var(--sun)}
.tro-i svg{width:100%;height:100%}
.tro b{display:block;font-size:14px;line-height:19px}
.tro span{font-size:12px;line-height:16px;color:var(--muted)}
.tro em{position:absolute;top:-8px;right:10px;background:var(--bad);color:#fff;font-style:normal;font-size:11px;font-weight:900;border-radius:999px;padding:2px 8px}
.tro.new{animation:troIn .7s cubic-bezier(.2,1.4,.4,1) both}
@keyframes troIn{0%{transform:scale(.6);opacity:0}100%{transform:none;opacity:1}}
@media (prefers-reduced-motion:reduce){.sx-pulse,.tro.new{animation:none}}
@media (max-width:900px){.sx-tro{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.sx-chips{grid-template-columns:1fr 1fr}.sx-chips li{white-space:normal}}
.sim-rules{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:18px 0 8px}
.sim-rules div{background:var(--panel);border-radius:12px;padding:14px 16px}
.sim-rules b{display:block;font-size:22px;line-height:28px;font-weight:800;color:var(--acc)}
.sim-rules span{font-size:13px;line-height:18px;color:var(--muted)}
.sim-start h2{font-size:18px;margin:28px 0 12px}
.sim-papers{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.sp-card{display:flex;align-items:center;justify-content:space-between;gap:16px;background:var(--card);border:1px solid var(--line2);border-radius:10px;box-shadow:0 2px 2px rgba(42,38,34,.1);padding:18px 20px}
.sp-card b{display:block;font-size:16px;line-height:22px}
.sp-card span{font-size:13px;color:var(--muted)}
.tbl{overflow-x:auto}
.sim-hist{width:100%;border-collapse:collapse;font-size:14px}
.sim-hist th{text-align:left;font-size:12px;color:var(--muted);font-weight:700;padding:8px 10px;border-bottom:1px solid var(--line)}
.sim-hist td{padding:11px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
.sim-hist td.n{font-weight:800;font-size:16px;color:var(--acc);font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}
.sim-hist tr.rv{cursor:pointer}
.sim-hist tr.rv:hover td{background:var(--panel)}
.sim-hl{margin:0 0 10px;font-size:14px}
.sim-rv{padding:6px 14px;font-size:13.5px}
.sim-hl b{color:var(--acc)}
.sim-bar{position:sticky;top:calc(var(--toph-v,var(--toph)) / var(--z));z-index:10;display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:16px;background:var(--bg);border-bottom:1px solid var(--line);padding:12px 0;margin-bottom:18px}
.sb-l b{display:block;font-size:15px;line-height:20px}
.sb-l span{font-size:13px;color:var(--muted)}
.sb-t{font-size:30px;line-height:38px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.02em;background:var(--panel);border-radius:12px;padding:4px 18px}
.sb-t.warn{color:var(--org);background:var(--org-w)}
.sb-t.crit{color:var(--bad);background:var(--bad-w)}
.sb-t.paused{color:var(--muted);background:var(--panel)}
.sim-pz{white-space:nowrap}
.sim-pz[aria-pressed="true"]{border-color:var(--acc);color:var(--acc)}
.sim-pause{display:flex;justify-content:center;padding:40px 16px 60px}
.spz{max-width:460px;text-align:center;background:var(--card);border:1px solid var(--line);border-radius:22px;padding:26px 26px 22px;box-shadow:0 14px 36px rgba(20,30,60,.1)}
.spz-m{width:110px;height:104px}
.spz h2{margin:6px 0 8px;font-size:24px}
.spz p{margin:0 0 10px;color:var(--muted);font-size:14.5px;line-height:21px}
.spz p b{color:var(--ink);font-variant-numeric:tabular-nums}
.spz-n{font-size:13px!important}
.spz .btn{margin-top:6px;padding:12px 26px}
.sb-t.done{color:var(--acc);background:var(--acc-w);font-size:24px}
.sb-r{display:flex;align-items:center;justify-content:flex-end;gap:14px;font-size:14px;color:var(--muted)}
.sim-grid{display:grid;grid-template-columns:230px minmax(0,1fr);gap:28px;align-items:start}
.sim-nav{position:sticky;top:calc(var(--toph-v,var(--toph)) / var(--z) + 86px);background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px}
.sim-nav h4{margin:14px 0 8px;font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);display:flex;align-items:center}
.sim-nav h4:first-child{margin-top:0}
.sn-row{display:flex;flex-wrap:wrap;gap:6px}
.sn-row button{min-width:46px;height:34px;padding:0 8px;border-radius:8px;border:1.5px solid var(--line);background:var(--bg);font:700 13px var(--font);color:var(--ink);cursor:pointer}
.sn-row button:hover{border-color:var(--acc)}
.sn-row button.f{background:var(--acc-w);border-color:var(--acc);color:var(--acc)}
.sn-row button.ok{background:var(--good-w);border-color:var(--good);color:var(--good)}
.sn-row button.pa{background:var(--org-w);border-color:var(--org);color:var(--org)}
.sn-row button.no{background:var(--bad-w);border-color:var(--bad);color:var(--bad)}
.ss{margin-bottom:30px}
.ss-h{display:flex;align-items:baseline;font-size:20px;line-height:26px;margin:0 0 12px}
.ss-h span{margin-left:10px;font-size:13px;color:var(--muted);font-weight:400}
.sp-prob{background:var(--panel);border-radius:14px;padding:16px 16px 6px;margin-bottom:12px}
.sp-stem{padding:2px 4px 12px}
.sq{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin-bottom:10px;scroll-margin-top:calc(var(--toph) / var(--z) + 96px)}
.sq-h{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.sq-n{font-weight:800;font-size:15px}
.sq-p{font-size:12px;font-weight:700;color:var(--muted);background:var(--panel);border-radius:999px;padding:1px 8px}
.sq-s{margin-left:auto;font-size:13px;font-weight:800}
.sq-s.ok{color:var(--good)} .sq-s.pa{color:var(--org)} .sq-s.no{color:var(--bad)}
.sq .st{font-size:17px;line-height:29px;overflow-x:auto;overflow-y:hidden}
.sq-a{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:10px;align-items:center}
.sq-a .f{font-size:16px;gap:8px;color:var(--ink);font-style:normal}
.sq-a input{width:180px;height:42px;border-radius:10px;border:2px solid var(--sq);background:var(--bg);padding:0 12px;font:500 16px var(--font);color:var(--ink);outline:none}
.sq-a input.wide{width:320px;max-width:100%}
.sq-a input:focus{border-color:var(--acc)}
.sq-a input.ok{border-color:var(--good);background:var(--good-w)}
.sq-a input.no{border-color:var(--bad);background:var(--bad-w)}
.sq-a input:disabled{color:var(--ink);opacity:1}
.sq-r:empty{display:none}
.sq-r{margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
.sq-r .cmp{margin-top:0}
.sq-r details{margin-top:10px}
.sq-r summary{cursor:pointer;font-weight:700;font-size:14px;color:var(--acc)}
.sgrade{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-top:12px;font-size:14px;color:var(--muted)}
.sgrade span{margin-right:4px}
.sgrade button{min-width:40px;height:32px;border-radius:8px;border:1.5px solid var(--line);background:var(--bg);font:700 13px var(--font);cursor:pointer;color:var(--ink)}
.sgrade button:hover{border-color:var(--acc)}
.sgrade button[aria-pressed="true"]{background:var(--acc);border-color:var(--acc);color:var(--on-acc)}
.sim-res{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:28px;align-items:center;background:var(--acc-w);border-radius:16px;padding:22px 26px;margin-bottom:24px}
.sr-nota span{display:block;font-size:13px;color:var(--muted);font-weight:700}
.sr-nota b{display:block;font-size:54px;line-height:58px;font-weight:800;color:var(--acc);font-variant-numeric:tabular-nums}
.sr-nota small{font-size:13px;color:var(--muted)}
.sr-subs{display:grid;gap:10px}
.sr-sub{display:grid;grid-template-columns:150px minmax(0,1fr) 64px;align-items:center;gap:12px;font-size:14px}
.sr-sub .bar{height:10px;border-radius:5px;background:var(--card);overflow:hidden}
.sr-sub .bar i{display:block;height:100%;border-radius:5px;background:var(--sc)}
.sr-sub b{text-align:right;font-variant-numeric:tabular-nums}
.sr-meta{font-size:13px;line-height:20px;color:var(--muted);margin-top:10px}
.sr-act{display:flex;flex-direction:column;gap:8px}
.sim-end{display:flex;justify-content:flex-end;padding:8px 0 40px}
@media (max-width:900px){.sim-grid{grid-template-columns:minmax(0,1fr)}.sim-nav{position:static}.sim-res{grid-template-columns:1fr}
  .sim-rules,.sim-papers{grid-template-columns:1fr 1fr}.sim-bar{grid-template-columns:auto 1fr}.sb-l{display:none}.sb-r{justify-content:flex-end}}
@media (max-width:560px){.sim-rules,.sim-papers{grid-template-columns:1fr}.sb-t{font-size:22px}.sr-sub{grid-template-columns:110px minmax(0,1fr) 56px}}
.ptsel{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0 6px}
.ptsel button{min-width:52px;height:42px;padding:0 12px;border-radius:10px;border:2px solid var(--line);background:var(--bg);font:800 15px var(--font);color:var(--ink);cursor:pointer}
.ptsel button:hover{border-color:var(--acc)}
.ptsel button[aria-checked="true"]{border-color:var(--acc);background:var(--acc);color:var(--on-acc)}
.sck{cursor:pointer;border-radius:8px}
.sck:hover{background:var(--panel)}
.sck input{width:18px;height:18px;margin:3px 0 0;accent-color:var(--acc);flex:none}
.fb.part{background:var(--org-w);color:var(--org)}
.selfnote{margin:10px 0 0;font-size:13px;color:var(--muted)}
.hint-btn{display:inline-flex;align-items:center;gap:6px;background:none;border:none;padding:10px 4px;font-weight:700;font-size:15px;color:var(--acc);cursor:pointer}
.hint-btn:hover{text-decoration:underline;text-underline-offset:3px}
.hint-btn:disabled{color:var(--muted);cursor:default;text-decoration:none}
.hint-btn svg{width:18px;height:18px;flex:none}
.hints{display:grid;gap:8px;margin-top:14px}
.hints:empty{display:none}
.hbar{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:13px;font-weight:700;color:var(--muted)}
.hbar button,.hint .x{background:none;border:none;padding:2px 6px;font:700 13px var(--font);color:var(--acc);cursor:pointer;border-radius:6px}
.hbar button:hover,.hint .x:hover{background:var(--acc-w)}
.hint .x{flex:none;color:var(--muted);font-size:16px;line-height:18px}
.hints.folded .hint{display:none}
.ai-open{font-size:14px}
.panel-on #af,.panel-on #chk{display:none}
.btn-ghost{background:var(--panel);color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover:not(:disabled){border-color:var(--acc);color:var(--acc)}
.fmid{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap}
.foot .ai-open{padding:9px 14px;font-weight:700}
.foot .hint-btn{padding:9px 8px}
.foot .btn-check{min-width:0;padding:11px 30px;font-size:16px}
.foot #nx{padding:11px 30px;font-size:16px}
.aip{margin-top:18px;background:var(--bg);border-radius:12px;padding:18px 20px;border:2px solid var(--acc-w)}
.aih{display:flex;justify-content:space-between;align-items:center;gap:12px}
.aih h3{margin:0;font-size:17px;font-weight:900;color:var(--acc)}
.aip .help{margin:6px 0 12px;font-size:13.5px;color:var(--muted)}
.aip textarea{width:100%;min-height:160px;resize:vertical;border-radius:10px;border:2px solid var(--sq);background:var(--panel);padding:12px 14px;font:400 15px/24px var(--font);color:var(--ink);outline:none}
.aip textarea:focus{border-color:var(--acc)}
.aiu{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:10px}
.aiu .btn{cursor:pointer;font-size:14px;background:var(--panel);border:2px solid var(--line);color:var(--ink)}
.aiu .btn:hover{border-color:var(--acc)}
.score{display:flex;align-items:baseline;gap:10px;margin-top:4px;font-size:15px;color:var(--muted)}
.score b{font-size:26px;line-height:30px;font-weight:900;font-variant-numeric:tabular-nums;color:var(--ink)}
#ai-prev{display:block;max-width:100%;max-height:320px;margin-top:10px;border-radius:10px;border:1px solid var(--line)}
.aia{display:flex;justify-content:center;margin-top:14px}
.aierr{margin:12px 0 0;color:var(--bad);font-weight:700;font-size:14px}
.aicode{margin:4px 0 0;color:var(--tm);font-size:11px;word-break:break-word}
.aiwait{margin:12px 0 0;color:var(--muted);font-size:14px}
@media (prefers-reduced-motion:no-preference){.aiwait{animation:aiw 1.6s ease-in-out infinite}@keyframes aiw{50%{opacity:.55}}}
.air{margin-top:14px;border-top:1px solid var(--line);padding-top:12px}
.air.ok .score b{color:var(--good)} .air.part .score b{color:var(--sun)} .air.no .score b{color:var(--bad)}
.aifb{margin:8px 0;font-size:15px;line-height:24px}
.aife{margin:0 0 8px;font-size:14px;color:var(--muted)}
.aic{display:block;font-size:13px;color:var(--muted);margin-top:2px}
.pp.full{background:var(--good-w);color:var(--good)} .pp.half{background:var(--tm-w);color:var(--tm)} .pp.zero{background:var(--bad-w);color:var(--bad)}
.chbar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:14px;font-size:13.5px;color:var(--muted)}
.switch{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--ink);cursor:pointer;user-select:none}
.switch input{position:absolute;opacity:0;width:1px;height:1px}
.switch .tr{width:36px;height:20px;border-radius:999px;background:var(--line);position:relative;transition:background .15s}
.switch .tr::after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:var(--card);box-shadow:0 1px 2px rgba(0,0,0,.2);transition:transform .15s}
.switch input:checked+.tr{background:var(--acc)}
.switch input:checked+.tr::after{transform:translateX(16px)}
.switch input:focus-visible+.tr{outline:2px solid var(--acc);outline-offset:2px}
.lnk{background:none;border:none;padding:0;font:inherit;font-weight:700;color:var(--acc);cursor:pointer;text-decoration:underline;text-underline-offset:3px}