html,body{margin:0}img{max-width:100%;height:auto}

/* Layout: exam-screen replica — tile sidebar (left), question column (center), tall action rail (right). Deliberately single light theme to match the real test screen. */
:root{
  --bg1:#f3f4f6; --bg2:#dfe3e7; --card:#ffffff; --btn:#f6f6f6; --btn-h:#eceef0; --line:#d3d6da; --ink:#1f2326; --sub:#62676d;
  --sel:#5c5f63; --ok:#3cb566; --ok-ink:#23884a; --ok-soft:#e6f4ea; --no:#d9534f; --no-ink:#c0392b; --no-soft:#fbe9e7; --warn:#e3a33b; --warn-soft:#fdf2df;
  --font:"Ubuntu","Segoe UI",system-ui,sans-serif; --mono:"Ubuntu Mono",ui-monospace,monospace;
  --shadow:0 1px 3px rgba(0,0,0,.2); --shadow-btn:0 2px 3px rgba(0,0,0,.22);
  color-scheme:light;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{min-height:100%}
body{margin:0;background:radial-gradient(1200px 700px at 70% 80%,rgba(255,255,255,.9),transparent 60%),linear-gradient(160deg,var(--bg1),var(--bg2));background-attachment:fixed;color:var(--ink);font-family:var(--font);font-size:15px;line-height:1.4;padding-inline:16px;padding-block:12px 40px}
button{font:inherit;color:inherit}
.app{display:grid;grid-template-columns:124px minmax(0,700px) 112px;gap:12px;justify-content:center;align-items:start}
/* sidebar tiles */
.side{position:sticky;top:calc(env(safe-area-inset-top,0px) + 12px);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:34px;align-content:start;gap:4px;max-height:calc(100vh - 24px);overflow:auto;padding:2px}
.tile{position:relative;height:34px;min-width:0;overflow:hidden;border:1px solid var(--line);background:var(--btn);box-shadow:0 1px 1px rgba(0,0,0,.12);border-radius:2px;display:flex;align-items:center;gap:4px;padding:0 4px;cursor:pointer;font-size:12px;color:var(--sub)}
.tile .tn{min-width:14px;text-align:center;font-weight:500}
.tile .th{flex:1;height:18px;border-radius:1px;background:repeating-linear-gradient(180deg,#d9dcdf 0 2px,transparent 2px 5px);opacity:.8}
.tile .th.img{background-size:cover;background-position:center;opacity:1}
.tile.empty{cursor:default;opacity:.55}
.tile.yes{background:var(--ok-soft)} .tile.yes .tn{color:var(--ok-ink)}
.tile.no{background:var(--no-soft)} .tile.no .tn{color:var(--no-ink)}
.tile.cur{outline:2px solid var(--sel);outline-offset:-1px}
/* center */
.main{display:flex;flex-direction:column;gap:10px;min-width:0}
.card{background:var(--card);box-shadow:var(--shadow)}
.topcard{padding:12px 14px;display:flex;flex-direction:column;gap:10px}
.toprow{display:flex;align-items:center;gap:12px}
.toprow .stats{display:flex;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--sub);font-variant-numeric:tabular-nums}
.toprow .stats b{color:var(--ink);font-weight:500}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:5px;vertical-align:1px}
.who{margin-left:auto;display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink);white-space:nowrap}
.avatar{width:40px;height:40px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;background:linear-gradient(#fafafa,#eceef0)}
.avatar svg{width:22px;height:22px;stroke:var(--sub);fill:none;stroke-width:1.6}
.pbar{height:16px;border-radius:8px;background:#eceef0;box-shadow:inset 0 1px 2px rgba(0,0,0,.12);overflow:hidden;display:flex}
.pbar i{display:block;height:100%}
.pbar .l{background:var(--ok)} .pbar .m{background:var(--warn)}
.fsum{font-size:12px;color:var(--sub)}
.qbar{display:flex;align-items:stretch;min-height:88px}
.back{width:112px;flex:none;border:0;border-right:1px solid var(--line);background:linear-gradient(#fff,#f3f3f3);box-shadow:inset 0 -3px 0 var(--ok);cursor:pointer;display:grid;place-items:center}
.back svg{width:22px;height:22px;stroke:var(--ink);stroke-width:3;fill:none}
.back[disabled]{cursor:default;opacity:.35}
.qmeta{flex:1;display:flex;align-items:center;justify-content:flex-end;gap:26px;flex-wrap:wrap;padding:12px 18px;font-size:15px}
.qmeta .gdot{width:6px;height:6px;border-radius:50%;background:var(--ok);margin-left:6px}
.qmeta .rtag{font-size:12px;padding:3px 8px;border-radius:3px;background:var(--warn-soft);color:#9a5b00;font-weight:500}
.qcard{padding:30px 22px;display:flex;flex-direction:column;gap:16px}
.qcard p{margin:0;font-size:20px;line-height:1.4;text-wrap:pretty}
.qimg{display:block;max-width:100%;max-height:360px;margin:0 auto}
.vid{align-self:flex-start;font-weight:500;color:#1f5fa8;background:#e8f0fa;padding:8px 12px;border-radius:3px;text-decoration:none;font-size:14px}
.answers{padding:10px;display:flex;flex-direction:column;gap:12px}
.answers.pics{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
.ans{display:flex;justify-content:space-between;align-items:center;gap:12px;text-align:left;width:100%;background:var(--btn);border:1px solid var(--line);border-radius:2px;box-shadow:var(--shadow-btn);padding:20px 16px;font-size:15px;cursor:pointer}
.answers.pics .ans{flex-direction:column}
.ans img{max-height:120px;max-width:100%;background:#fff}
.ans:hover{background:var(--btn-h)}
.ans.sel{background:var(--sel);color:#fff;border-color:var(--sel)}
.ans[disabled]{cursor:default}
.ic{flex:none;width:20px;height:20px;border-radius:50%;display:none;place-items:center;color:#fff;font-size:12px;font-weight:700;line-height:1}
.ans.ok .ic,.ans.no .ic{display:inline-grid}
.ans.ok .ic{background:var(--ok)} .ans.ok .ic::before{content:"✓"}
.ans.no .ic{background:var(--no)} .ans.no .ic::before{content:"✕"}
.ans.missed{box-shadow:0 0 0 2px var(--ok),var(--shadow-btn)}
.infoline{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:12px;color:var(--sub);padding:0 2px}
.verdict{font-weight:700;font-size:14px}
.verdict.ok{color:var(--ok-ink)} .verdict.bad{color:var(--no-ink)}
/* rail */
.rail{position:sticky;top:calc(env(safe-area-inset-top,0px) + 12px);display:flex;flex-direction:column;gap:10px}
.rbtn{border:1px solid var(--line);background:linear-gradient(#fff,#f1f1f1);box-shadow:var(--shadow-btn),inset 0 -3px 0 #8fb6e0;padding:16px 6px;font-size:15px;cursor:pointer;border-radius:2px}
.rbtn[aria-pressed="true"]{background:var(--sel);color:#fff;border-color:var(--sel)}
.next{margin-top:140px;height:290px;border:1px solid var(--line);background:linear-gradient(#fff,#f1f1f1);box-shadow:var(--shadow-btn),inset 0 -4px 0 var(--ok);cursor:pointer;border-radius:2px;display:grid;place-items:center}
.next svg{width:26px;height:26px;stroke:var(--ink);stroke-width:3;fill:none}
.next[disabled]{opacity:.4;cursor:default}
.rbtn:focus-visible,.next:focus-visible,.back:focus-visible,.ans:focus-visible,.tile:focus-visible,.chip:focus-visible{outline:2px solid #1f5fa8;outline-offset:2px}
/* filter + other views */
.panel{padding:14px;display:flex;flex-direction:column;gap:10px}
.frow{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.frow .lbl{font-size:12px;color:var(--sub);min-width:52px}
.chip{border:1px solid var(--line);background:var(--btn);font-size:13px;padding:6px 10px;border-radius:2px;cursor:pointer;display:inline-flex;gap:6px;align-items:center;box-shadow:0 1px 1px rgba(0,0,0,.1)}
.chip[aria-pressed="true"]{background:var(--sel);color:#fff;border-color:var(--sel)}
.chip .n{font-family:var(--mono);font-size:12px;opacity:.7}
.search{width:100%;font:inherit;font-size:15px;padding:12px;border:1px solid var(--line);border-radius:2px;background:#fff}
.list{display:flex;flex-direction:column;gap:10px}
.item{padding:14px;display:grid;grid-template-columns:1fr auto;gap:12px}
.item>div{min-width:0}
.item p{margin:4px 0 0;font-size:16px}
.item ul{margin:6px 0 0;padding-left:18px;font-size:14px;color:var(--sub)}
.item li.c{color:var(--ok-ink);font-weight:500}
.item li img{max-height:60px;vertical-align:middle}
.item .thumb{max-width:130px;max-height:100px}
.meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:12px;color:var(--sub)}
.pts{font-family:var(--mono);padding:1px 6px;border-radius:2px;background:#eceef0;color:var(--ink)}
.tag{padding:2px 7px;border-radius:3px;background:var(--warn-soft);color:#9a5b00;font-weight:500}
.secgrid{display:grid;grid-template-columns:1fr auto;gap:8px 14px;font-size:13px;font-variant-numeric:tabular-nums}
.secgrid .pbar{height:8px;margin-top:4px}
.big{font-size:40px;font-weight:700;font-variant-numeric:tabular-nums}
.big small{font-size:18px;color:var(--sub);font-weight:400}
.btn{border:1px solid var(--sel);background:var(--sel);color:#fff;font-weight:500;padding:12px 18px;border-radius:2px;cursor:pointer}
.btn.ghost{background:var(--btn);color:var(--ink);border-color:var(--line)}
.hint{font-size:13px;color:var(--sub)}
.empty{padding:30px;text-align:center;color:var(--sub)}
.foot{font-size:12px;color:var(--sub);padding:0 2px}
.mobilebar{display:none}
@media (max-width:900px){
  .app{grid-template-columns:minmax(0,1fr)}
  .side{position:static;grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:72px;grid-auto-rows:34px;grid-template-rows:34px;max-height:none;overflow-x:auto;order:0}
  .rail{display:none}
  .mobilebar{display:flex;gap:8px;flex-wrap:wrap}
  .mobilebar .rbtn{flex:1;padding:10px 6px}
  .mobilebar .next{margin:0;height:auto;flex:1 1 100%;padding:14px}
  .back{width:64px}
  .qmeta{gap:14px}
  .qcard{padding:20px 16px}
  .qcard p{font-size:18px}
}

/* ---- warm exam-screen skin (overrides) ---- */
:root{--bg1:#f4f5f6;--bg2:#e3e6e9;--card:rgba(255,255,255,.93);--btn:#f7f7f7;--btn-h:#eeeeee;--line:#d6d8db;--ink:#222426;--sub:#62676d;--sel:#5d5f62;--ok-soft:#e3efd9;--no-soft:#f6dcd6;
  --shadow:0 1px 2px rgba(0,0,0,.18);--shadow-btn:0 3px 2px -1px rgba(0,0,0,.35),0 1px 0 rgba(255,255,255,.6) inset}
body{background:
  radial-gradient(520px 260px at 32% 96%,rgba(236,150,170,.45),transparent 70%),
  radial-gradient(520px 240px at 48% 100%,rgba(205,222,160,.5),transparent 70%),
  radial-gradient(460px 260px at 22% 104%,rgba(150,185,225,.45),transparent 70%),
  radial-gradient(900px 380px at 75% 70%,rgba(255,255,255,.75),transparent 65%),
  radial-gradient(1400px 500px at 60% 115%,rgba(255,255,255,.55),transparent 60%),
  linear-gradient(170deg,var(--bg1),var(--bg2));background-attachment:fixed;padding-block:0 40px}
.app{grid-template-columns:260px minmax(0,1fr) 250px;gap:0;max-width:2000px;margin:0 auto;min-height:100vh}
.side{top:0;max-height:100vh;padding:6px 12px 12px 10px;gap:6px 14px;grid-auto-rows:38px;border-right:1px solid #cfd2d6;box-shadow:1px 0 0 rgba(255,255,255,.5);background:rgba(225,228,232,.35)}
.tile{height:38px;background:linear-gradient(#fbfbfb,#efefef);border:1px solid #d9dbde;border-radius:2px;box-shadow:0 1px 1px rgba(0,0,0,.2);justify-content:space-between;padding:0 10px 0 12px;font-size:11px;color:#7d8288}
.tile .tn{min-width:0;font-weight:400}
.tile .th{flex:none;width:52px;height:20px;border:1px solid #c8cbcf;border-radius:2px;opacity:1;background:linear-gradient(#d4d7da,#d4d7da) 50% 30%/34px 2px no-repeat,linear-gradient(#d4d7da,#d4d7da) 50% 50%/34px 2px no-repeat,linear-gradient(#d4d7da,#d4d7da) 50% 70%/34px 2px no-repeat,linear-gradient(#fafafa,#eeeeee)}
.tile .th.img{background-size:cover;background-position:center}
.tile.empty{opacity:1;cursor:default}
.tile.cur{outline:0;background:linear-gradient(#ffffff,#f5f5f5);border-color:#b9bdc2;box-shadow:0 0 0 1px #b9bdc2,0 2px 3px rgba(0,0,0,.25)}
.tile.yes{background:linear-gradient(#e9f2de,#dcebcf)} .tile.no{background:linear-gradient(#f8e0da,#f0cfc7)}
.tile.yes .tn{color:#3f8a4f;font-weight:700} .tile.no .tn{color:#c0392b;font-weight:700}
.main{padding:0 12px;gap:0}
#view.main{padding:0}
.card{background:var(--card);box-shadow:var(--shadow);border:1px solid rgba(205,208,212,.6)}
.topcard{padding:14px 12px 16px}
.who{text-align:right;gap:14px;font-size:16px;line-height:1.15}
.avatar{width:66px;height:66px;border:3px solid #d3d6da;background:radial-gradient(circle at 40% 35%,#fafafa,#e6e8ea);box-shadow:inset 0 1px 3px rgba(0,0,0,.25)}
.avatar svg{width:34px;height:34px;stroke:#a9adb2;stroke-width:1.3}
.pbar{height:22px;border-radius:11px;background:rgba(233,235,238,.9);box-shadow:inset 0 1px 2px rgba(0,0,0,.18);border:1px solid #dcdee1}
.pbar .l{background:linear-gradient(#8fb4da,#6f98c4);border-radius:11px;color:#fff;font-size:12px;display:grid;place-items:center;white-space:nowrap;overflow:hidden;min-width:0}
.pbar .m{background:linear-gradient(#f0c27a,#e3a33b)}
.fsum{margin-top:-2px}
.qbar{min-height:110px;margin-top:22px}
.backcell{width:320px;flex:none;border-right:1px solid var(--line);display:grid;padding:16px 24px 18px}
.back{width:auto;border:1px solid #d9dbde;border-radius:2px;background:linear-gradient(#fafafa,#ededed);box-shadow:0 3px 3px -1px rgba(0,0,0,.4),inset 0 -2px 0 #a8d5a0}
.back svg,.next svg{width:30px;height:30px;stroke:#62666b;stroke-width:4.2;stroke-linecap:round;stroke-linejoin:round}
.qmeta{gap:36px;font-size:17px}
.qmeta .gdot{display:none}
.dots{width:145px;flex:none;border-left:1px solid var(--line);display:flex;gap:8px;align-items:center;justify-content:center}
.dots i{width:6px;height:6px;border-radius:50%;background:#58b560}
.qcard{margin-top:6px;padding:40px 16px;min-height:140px;justify-content:center}
.qcard p{font-size:21px}
.answers{margin-top:8px;padding:12px 12px 14px;gap:14px;border-left:2px solid #8fb4da;background:rgba(255,255,255,.75)}
.ans{background:linear-gradient(#fafafa,#eeeeee);border:1px solid #d9dbde;box-shadow:0 4px 3px -2px rgba(0,0,0,.45);padding:20px 16px;font-size:16px}
.ans:hover{background:linear-gradient(#f3f3f3,#e7e7e7)}
.ans.sel{background:linear-gradient(#66686b,#56585b);color:#fff;border-color:#4d4f52}
.infoline,.foot{padding:8px 4px 0}
.rail{top:0;padding:10px 10px 0 12px;gap:12px;min-height:100vh;border-left:1px solid #cfd2d6;background:rgba(225,228,232,.35)}
.rbtn{font-size:19px;padding:18px 6px;background:linear-gradient(#fafafa,#ededed);border:1px solid #d9dbde;border-radius:2px;box-shadow:0 4px 3px -2px rgba(0,0,0,.45),inset 0 -2px 0 #9dbbd8}
.rbtn+.rbtn{font-size:15px;padding:12px 6px}
.rbtn[aria-pressed="true"]{background:linear-gradient(#66686b,#56585b);color:#fff}
.next{margin-top:260px;height:318px;background:linear-gradient(#fafafa,#ededed);border:1px solid #d9dbde;box-shadow:0 4px 3px -2px rgba(0,0,0,.45),inset 0 -3px 0 #69bb72}
.chip{background:linear-gradient(#fafafa,#ededed);border-color:#d9dbde}
.chip[aria-pressed="true"]{background:#5d5f62}
.search{background:#ffffff;border-color:#d9dbde}
.btn.ghost{background:linear-gradient(#fafafa,#ededed);border-color:#d9dbde}
.pts{background:#eceef0}
.vid{background:#eadff0;color:#44548a}
@media (max-width:1200px){.app{grid-template-columns:200px minmax(0,1fr) 170px}.backcell{width:170px}.dots{width:80px}.side{gap:6px 8px}.tile{padding:0 6px}.tile .th{width:44px}}
@media (max-width:900px){
  .app{grid-template-columns:minmax(0,1fr);min-height:0}
  .side{position:static;border-right:0;background:none;grid-template-columns:none;grid-template-rows:38px;grid-auto-flow:column;grid-auto-columns:92px;max-height:none;overflow-x:auto;padding:8px 0}
  .main{padding:0}
  .backcell{width:84px;padding:12px}
  .dots{display:none}
  .qbar{min-height:80px;margin-top:10px}
  .qmeta{gap:16px;font-size:15px}
  .qcard{padding:22px 14px}
  .qcard p{font-size:18px}
  .mobilebar{margin-top:10px}
  .mobilebar .next{height:70px}
}

.next[disabled]{opacity:.8}
@media (max-width:900px){
  body{padding-bottom:calc(96px + env(safe-area-inset-bottom,0px))}
  .toprow{flex-wrap:wrap}
  .who{order:-1;width:100%;justify-content:flex-end;font-size:14px}
  .avatar{width:44px;height:44px}
  .avatar svg{width:24px;height:24px}
  .mobilebar{position:fixed;left:0;right:0;bottom:0;z-index:10;margin:0;flex-wrap:nowrap;gap:8px;padding:8px 12px calc(8px + env(safe-area-inset-bottom,0px));background:rgba(241,242,244,.97);border-top:1px solid #cfd2d6;box-shadow:0 -2px 6px rgba(0,0,0,.15)}
  .mobilebar .rbtn,.mobilebar .rbtn+.rbtn{flex:1 1 0;font-size:13px;padding:14px 2px}
  .mobilebar .next{flex:1.5 1 0;height:auto;margin:0;padding:8px}
  .mobilebar .next svg{width:24px;height:24px}
}
.chip.danger{border-color:#d9a19b;color:#b3261e;background:linear-gradient(#fff6f5,#f8e6e3)}
.chip.danger:hover{background:#f6dcd6}

/* ---- site additions ---- */
.logo{width:56px;height:56px;border-radius:12px;flex:none}
.revline{font-size:12px;color:var(--sub);line-height:1.5}
.revline .unoff{color:#a8322b;font-weight:500}
.qimg{height:auto}
.qvid{display:block;width:100%;max-height:440px;background:#111;border-radius:2px}
.qvid.small{max-height:220px;margin-top:6px}
.tile .th.vid{border-color:#3a3e43;background:#2b2f33 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 10'%3E%3Cpath d='M3 2l5 3-5 3z' fill='%23fff'/%3E%3C/svg%3E") center/12px no-repeat}
.sitefoot{font-size:12px;color:var(--sub);padding:22px 4px 34px;line-height:1.55;max-width:80ch}
.sitefoot p{margin:0 0 8px}.sitefoot a{color:#1f5fa8}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
textarea.code{width:100%;box-sizing:border-box;font:12px/1.4 ui-monospace,Consolas,monospace;padding:10px;border:1px solid #d9dbde;border-radius:2px;background:#fff;color:var(--ink);resize:vertical;word-break:break-all}
@media (max-width:900px){.logo{width:40px;height:40px;border-radius:9px}}

/* ---- theme toggle ---- */
.themebtn{flex:none;width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:var(--btn);color:var(--sub);display:grid;place-items:center;cursor:pointer;padding:0}
.themebtn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.themebtn:focus-visible{outline:2px solid #4c8fd6;outline-offset:2px}

/* ---- dark mode: same exam-screen layout, night palette ---- */
html[data-theme="dark"]{color-scheme:dark;
  --bg1:#14171b;--bg2:#1b1f24;--card:rgba(32,36,42,.96);--btn:#262b32;--btn-h:#2d333b;--line:#363d46;--ink:#e4e7eb;--sub:#9aa3ad;
  --sel:#c9ced5;--ok:#43c071;--ok-ink:#6fd394;--ok-soft:#1d3426;--no:#e0605c;--no-ink:#f08a86;--no-soft:#3a2321;--warn:#e3a33b;--warn-soft:#3a2f1c;
  --shadow:0 1px 2px rgba(0,0,0,.5);--shadow-btn:0 3px 2px -1px rgba(0,0,0,.6)}
html[data-theme="dark"] body{background:
  radial-gradient(520px 260px at 32% 96%,rgba(170,70,100,.18),transparent 70%),
  radial-gradient(520px 240px at 48% 100%,rgba(110,140,70,.16),transparent 70%),
  radial-gradient(460px 260px at 22% 104%,rgba(60,100,160,.22),transparent 70%),
  linear-gradient(170deg,var(--bg1),var(--bg2));background-attachment:fixed;color:var(--ink)}
html[data-theme="dark"] .side,html[data-theme="dark"] .rail{background:rgba(10,12,15,.35);border-color:#2b3138;box-shadow:none}
html[data-theme="dark"] .card{border-color:rgba(70,78,88,.55)}
html[data-theme="dark"] .tile{background:linear-gradient(#272c33,#21262c);border-color:#343b44;color:#8d96a0;box-shadow:0 1px 1px rgba(0,0,0,.5)}
html[data-theme="dark"] .tile .th{border-color:#3d454f;background:linear-gradient(#4a525c,#4a525c) 50% 30%/34px 2px no-repeat,linear-gradient(#4a525c,#4a525c) 50% 50%/34px 2px no-repeat,linear-gradient(#4a525c,#4a525c) 50% 70%/34px 2px no-repeat,linear-gradient(#2c3239,#262b31)}
html[data-theme="dark"] .tile .th.img{background-size:cover;background-position:center;filter:brightness(.9)}
html[data-theme="dark"] .tile .th.vid{background:#0e1013 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 10'%3E%3Cpath d='M3 2l5 3-5 3z' fill='%23fff'/%3E%3C/svg%3E") center/12px no-repeat}
html[data-theme="dark"] .tile.cur{background:linear-gradient(#323942,#2b3139);border-color:#5b6672;box-shadow:0 0 0 1px #5b6672,0 2px 3px rgba(0,0,0,.5)}
html[data-theme="dark"] .tile.yes{background:linear-gradient(#1f3a29,#1a3223)}
html[data-theme="dark"] .tile.no{background:linear-gradient(#41262a,#382024)}
html[data-theme="dark"] .tile.yes .tn{color:#6fd394}
html[data-theme="dark"] .tile.no .tn{color:#f08a86}
html[data-theme="dark"] .pbar{background:#1a1e23;border-color:#333a42;box-shadow:inset 0 1px 2px rgba(0,0,0,.6)}
html[data-theme="dark"] .pbar .l{background:linear-gradient(#5d8fc4,#4675ab)}
html[data-theme="dark"] .back,html[data-theme="dark"] .rbtn,html[data-theme="dark"] .next,html[data-theme="dark"] .chip,html[data-theme="dark"] .btn.ghost{background:linear-gradient(#2a3037,#22272d);border-color:#3a414a;color:var(--ink)}
html[data-theme="dark"] .back{box-shadow:0 3px 3px -1px rgba(0,0,0,.6),inset 0 -2px 0 #3f7f4a}
html[data-theme="dark"] .rbtn{box-shadow:0 4px 3px -2px rgba(0,0,0,.6),inset 0 -2px 0 #3e5f86}
html[data-theme="dark"] .next{box-shadow:0 4px 3px -2px rgba(0,0,0,.6),inset 0 -3px 0 #3f8a4c}
html[data-theme="dark"] .back svg,html[data-theme="dark"] .next svg{stroke:#c3c9d0}
html[data-theme="dark"] .rbtn[aria-pressed="true"],html[data-theme="dark"] .chip[aria-pressed="true"]{background:#d3d8de;color:#15181c;border-color:#d3d8de}
html[data-theme="dark"] .backcell,html[data-theme="dark"] .dots{border-color:var(--line)}
html[data-theme="dark"] .answers{background:rgba(26,30,35,.85);border-left-color:#4675ab}
html[data-theme="dark"] .ans{background:linear-gradient(#2a3037,#23282e);border-color:#3a414a;color:var(--ink);box-shadow:0 4px 3px -2px rgba(0,0,0,.65)}
html[data-theme="dark"] .ans:hover{background:linear-gradient(#313840,#2a3037)}
html[data-theme="dark"] .ans.sel{background:linear-gradient(#d6dbe1,#c4cad2);color:#15181c;border-color:#c4cad2}
html[data-theme="dark"] .ans.missed{box-shadow:0 0 0 2px var(--ok),0 4px 3px -2px rgba(0,0,0,.65)}
html[data-theme="dark"] .qimg,html[data-theme="dark"] .ans img,html[data-theme="dark"] .item .thumb,html[data-theme="dark"] .item li img{filter:brightness(.92)}
html[data-theme="dark"] .search,html[data-theme="dark"] textarea.code{background:#1a1e23;border-color:#3a414a;color:var(--ink)}
html[data-theme="dark"] .pts{background:#2c3239;color:var(--ink)}
html[data-theme="dark"] .tag,html[data-theme="dark"] .qmeta .rtag{background:#3a2f1c;color:#f0c27a}
html[data-theme="dark"] .vid{background:#2b2640;color:#b9b2e8}
html[data-theme="dark"] .chip.danger{background:linear-gradient(#3a2321,#311d1c);border-color:#6b3632;color:#f08a86}
html[data-theme="dark"] .revline .unoff{color:#f08a86}
html[data-theme="dark"] .sitefoot a{color:#7fb0e6}
html[data-theme="dark"] .mobilebar{background:rgba(20,23,27,.97);border-top-color:#2b3138}
html[data-theme="dark"] .dots i{background:#43c071}
html[data-theme="dark"] .btn{background:#d3d8de;color:#15181c;border-color:#d3d8de}