/* Lini Coaching v4 — "exercise book" theme: squared paper, rounded friendly type, one colour per subject */
:root{
  --ink:#1b1f3b; --ink2:#454a6b; --muted:#6b7090; --line:#dfe3f3; --paper:#f7f9ff; --card:#fff;
  --brand:#7048e8; --brand2:#5f3dc4; --sun:#fab005; --good:#0c8a66; --goodsoft:#d3f9e8; --bad:#e03131; --badsoft:#ffe3e3;
  --r-lg:22px; --r-md:14px; --r-sm:10px; --shadow:0 1px 0 #e4e8f6,0 10px 30px -18px #2b2f6b55;
  --head:"Fredoka","Trebuchet MS",system-ui,sans-serif; --body:"Atkinson Hyperlegible",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-padding-top:90px}
body{margin:0;color:var(--ink);font:17px/1.6 var(--body);background-color:var(--paper);
  background-image:linear-gradient(#e6ecfb 1px,transparent 1px),linear-gradient(90deg,#e6ecfb 1px,transparent 1px);background-size:28px 28px;min-height:100vh;display:flex;flex-direction:column}
a{color:var(--brand2)}
h1,h2,h3{font-family:var(--head);font-weight:600;line-height:1.15;letter-spacing:-.01em;margin:0 0 .4em}
h1{font-size:clamp(1.8rem,3.6vw,2.6rem)} h2{font-size:1.45rem} h3{font-size:1.15rem}
.wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 20px}
main.wrap{flex:1;padding-top:28px;padding-bottom:56px}
.ic{flex-shrink:0;vertical-align:middle}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px;z-index:99}.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--sun);outline-offset:2px;border-radius:6px}
.muted{color:var(--muted)} .fine{font-size:.88rem;color:var(--muted)} .lead{font-size:1.08rem;color:var(--ink2);max-width:70ch}

/* top bar */
.topbar{position:sticky;top:0;z-index:20;background:#ffffffe8;backdrop-filter:blur(8px);border-bottom:2px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:66px}
.brand{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink)}.brand-text{display:flex;flex-direction:column;line-height:1.1}.brand-text b{font:600 1.3rem var(--head)}.brand-text small{font-size:.74rem;color:var(--muted);font-weight:700}
.brand .mascot{margin-top:-4px}
nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
nav a{display:inline-flex;align-items:center;gap:6px;text-decoration:none;color:var(--ink2);font-weight:700;padding:8px 12px;border-radius:999px}
nav a:hover{background:#f0ecff;color:var(--brand2)}
nav a[aria-current]{background:var(--brand);color:#fff}
.who{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;background:#fff8db;color:#8a5a00;font-weight:700;margin-left:6px}
@media(max-width:720px){nav a span{display:none} .brand-text b{font-size:1.05rem} .brand-text small{display:none} .who{display:none}}

/* buttons */
.btn,button.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;text-decoration:none;font:700 1rem var(--body);color:#fff;background:var(--brand);padding:12px 20px;border-radius:999px;box-shadow:0 4px 0 var(--brand2);transition:transform .08s,box-shadow .08s,background .15s}
.btn:hover{background:#7c5ae9}.btn:active{transform:translateY(3px);box-shadow:0 1px 0 var(--brand2)}
.btn.soft{background:#efeaff;color:var(--brand2);box-shadow:0 4px 0 #d6ccff}
.btn.ghost{background:#fff;color:var(--ink2);box-shadow:0 4px 0 var(--line);border:2px solid var(--line)}
.btn.big{width:100%;padding:15px;font-size:1.08rem}
.btn.small{padding:8px 16px;color:#fff}
nav a.btn.small{color:#fff;background:var(--brand)}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* generic */
.panel{background:var(--card);border:2px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow);margin-bottom:22px}
.narrow{max-width:560px}
.sec{display:flex;align-items:center;gap:10px;margin:38px 0 16px;font-size:1.5rem}.sec small{font:400 .95rem var(--body);color:var(--muted)}
.toast,.alert{display:flex;gap:10px;align-items:center;padding:12px 16px;border-radius:var(--r-md);margin-bottom:18px;font-weight:700}
.toast.ok{background:var(--goodsoft);color:#085d45}.toast.error,.alert{background:var(--badsoft);color:#a61e1e}
label{display:block;font-weight:700;margin:14px 0}
input:not([type=radio]):not([type=checkbox]),select{display:block;width:100%;margin-top:6px;padding:13px 14px;border:2px solid var(--line);border-radius:var(--r-sm);font:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 4px #e5dbff}
.check-row{display:flex;gap:10px;align-items:flex-start;font-weight:400}.check-row input{margin-top:5px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
.chip{display:inline-flex;align-items:center;gap:6px;background:#fff;border:2px solid var(--line);padding:6px 12px;border-radius:999px;font-weight:700;color:var(--ink2)}
.chip.xp{background:#fff8db;border-color:#ffe066;color:#8a5a00}.chip.xp .ic{fill:currentColor}
.chip.fire{background:#fff0e6;border-color:#ffc9a3;color:#b3420b}
.pill{display:inline-flex;align-items:center;gap:6px;background:var(--soft,#eef);color:var(--c,var(--ink));padding:4px 12px;border-radius:999px;font-weight:700;font-size:.9rem;white-space:nowrap}
.bar{height:10px;border-radius:999px;background:var(--soft,#eef);overflow:hidden}.bar i{display:block;height:100%;background:var(--c,var(--brand));border-radius:999px;transition:width .8s}
.tablewrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th{text-align:left;font:600 .95rem var(--head);color:var(--ink2);padding:10px 12px;border-bottom:2px solid var(--line)}
td{padding:10px 12px;border-bottom:1px solid #eef0f8}
tr:hover td{background:#fafbff}
.ok-dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--good);margin-right:6px}
.empty{text-align:center;padding:40px}.empty .mascot{margin:0 auto 10px;display:block}
.foot{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:.9rem;padding-bottom:26px}

/* speech bubble */
.speech{position:relative;background:#fff;border:2px solid var(--ink);border-radius:18px;padding:10px 14px;font-weight:700;max-width:260px;box-shadow:3px 3px 0 var(--ink);font-size:.95rem}
.speech:after{content:"";position:absolute;bottom:-12px;left:40px;border:10px solid transparent;border-top-color:var(--ink);border-bottom:0}

/* auth */
.auth-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:40px;align-items:center;min-height:70vh}
.auth-hero h1{margin-top:14px;max-width:16ch}
.auth-hero .mascot{display:block;margin:16px 0 0 20px}
.ticks{list-style:none;padding:0;margin:18px 0}.ticks li{display:flex;gap:10px;align-items:center;margin:8px 0;font-weight:700}.ticks .ic{color:var(--good)}
.subject-dots{display:flex;gap:10px}.subject-dots span{display:grid;place-items:center;width:48px;height:48px;border-radius:14px;background:var(--s);color:var(--c);border:2px solid var(--c)}
.auth-card{padding:32px}.auth-card h2{font-size:1.6rem}
.switch{text-align:center;margin-top:16px}
@media(max-width:860px){.auth-grid{grid-template-columns:1fr}.auth-hero .mascot{display:none}}

/* hero */
.hero{display:grid;grid-template-columns:1.4fr 1fr;gap:20px;align-items:center;background:linear-gradient(120deg,#5f3dc4,#7048e8 55%,#9775fa);color:#fff;border-radius:28px;padding:34px 36px;position:relative;overflow:hidden;box-shadow:0 18px 40px -22px #5f3dc4}
.hero:before{content:"";position:absolute;inset:0;background-image:radial-gradient(#ffffff22 2px,transparent 2px);background-size:22px 22px;mask-image:linear-gradient(90deg,transparent,#000)}
.hero>*{position:relative}
.hello{font:600 1.05rem var(--head);color:#e5dbff;margin:0}
.hero h1{color:#fff}.hero .lead{color:#efeaff}
.hero .chip{background:#ffffff1f;border-color:#ffffff40;color:#fff}.hero .chip.xp{background:var(--sun);border-color:var(--sun);color:#3d2a00}.hero .chip.fire{background:#ff8a3d;border-color:#ff8a3d;color:#fff}
.hero-art{display:flex;flex-direction:column;align-items:center;gap:16px}
.hero-art .speech{color:var(--ink)}
.mascot{animation:bob 4s ease-in-out infinite}
@keyframes bob{50%{transform:translateY(-6px)}}
@media(max-width:820px){.hero{grid-template-columns:1fr;padding:26px}.hero-art{flex-direction:row}.hero-art .mascot{width:90px;height:90px}}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:22px}
.stat{display:flex;align-items:center;gap:14px;background:#fff;border:2px solid var(--line);border-radius:var(--r-lg);padding:16px 18px;box-shadow:var(--shadow)}
.stat b{display:block;font:600 1.6rem var(--head)}.stat span{color:var(--muted);font-size:.92rem}
.stat-ic{display:grid;place-items:center;width:52px;height:52px;border-radius:16px;background:color-mix(in srgb,var(--c) 14%,#fff);color:var(--c)}
@media(max-width:960px){.stats{grid-template-columns:1fr 1fr}}@media(max-width:520px){.stats{grid-template-columns:1fr}}

/* ring */
.ring{position:relative;width:var(--s);height:var(--s);flex-shrink:0}
.ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:11;stroke-linecap:round}.ring .track{stroke:#eceffa}
.ring .bar{animation:ringfill 1.2s cubic-bezier(.2,.8,.2,1) both}
@keyframes ringfill{from{stroke-dashoffset:var(--from)}}
.ring-text{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;line-height:1.05}
.ring-text b{font:600 calc(var(--s) * .2) var(--head)}.ring-text small{color:var(--muted);font-size:max(.7rem,calc(var(--s) * .1))}

/* subject worlds */
.worlds{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}
.world{background:#fff;border:2px solid var(--line);border-radius:var(--r-lg);padding:18px;box-shadow:var(--shadow);display:flex;flex-direction:column;border-top:8px solid var(--c)}
.world-top{display:flex;align-items:center;justify-content:space-between;background:var(--soft);border-radius:var(--r-md);padding:10px 12px;margin-bottom:14px}
.world-top .art{width:120px;height:90px}
.world h3{display:flex;align-items:center;gap:8px;color:var(--c)}
.world p{margin:0 0 10px;color:var(--muted)}
.world .meta{display:flex;justify-content:space-between;gap:8px;font-size:.88rem;margin-top:10px}.world .meta span{display:flex;gap:4px;align-items:center}
.world-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto;padding-top:12px}
.world .btn{background:var(--c);box-shadow:0 4px 0 color-mix(in srgb,var(--c) 70%,#000)}
.world .btn.soft{background:var(--soft);color:var(--c);box-shadow:0 4px 0 color-mix(in srgb,var(--c) 25%,#fff)}

/* badges */
.badges{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.badge{text-align:center;background:#fff;border:2px dashed var(--line);border-radius:var(--r-md);padding:14px 10px;color:#a2a7c3}
.badge span{display:grid;place-items:center;width:54px;height:54px;margin:0 auto 8px;border-radius:50%;background:#f1f2f8}
.badge b{display:block;font:600 1rem var(--head)}.badge small{font-size:.8rem}
.badge.got{border:2px solid #ffe066;color:var(--ink);background:linear-gradient(#fffdf0,#fff)}
.badge.got span{background:var(--sun);color:#fff;box-shadow:0 0 0 5px #fff3bf}

/* lists */
.list{padding:6px}.row{display:grid;grid-template-columns:auto 1fr auto auto auto;gap:14px;align-items:center;padding:12px 14px;border-radius:var(--r-md);text-decoration:none;color:var(--ink)}
.row:hover{background:#f6f4ff}.score{font-weight:700;color:#c88a00}
@media(max-width:620px){.row{grid-template-columns:1fr auto}.row .muted,.row>.ic{display:none}}

/* subject map */
.subject-head{background:#fff;border:2px solid var(--line);border-radius:28px;padding:22px 26px;box-shadow:var(--shadow);border-left:10px solid var(--c);margin-bottom:26px}
.back{display:inline-flex;align-items:center;gap:6px;text-decoration:none;font-weight:700;color:var(--muted)}
.sh-main{display:flex;gap:20px;align-items:center;margin:10px 0}.sh-main .art{width:150px;flex-shrink:0;background:var(--soft);border-radius:18px;padding:8px}
.sh-main h1{color:var(--c);margin:0}.sh-main>div{flex:1}.sh-main p{margin:4px 0 10px;color:var(--muted)}
.legend{display:flex;flex-wrap:wrap;gap:14px;font-size:.85rem;color:var(--muted)}.legend span{display:flex;gap:6px;align-items:center}
.lg{width:14px;height:14px;border-radius:4px;display:inline-block}.lg.core{background:#b2f2bb}.lg.exam{background:#a5d8ff}.lg.stretch{background:#d0bfff}.lg.top{background:#ffa8a8}.lg.mock{background:var(--sun)}
.path{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:14px}
.stop>a,.stop>div{display:grid;grid-template-columns:56px 1fr;align-items:center;gap:6px 14px;background:#fff;border:2px solid var(--line);border-radius:var(--r-lg);padding:14px;text-decoration:none;color:var(--ink);height:100%;position:relative;transition:transform .12s,border-color .12s}
.stop>a:hover{transform:translateY(-2px);border-color:var(--c)}
.node{display:grid;place-items:center;width:56px;height:56px;flex-shrink:0;border-radius:50%;font:600 1.25rem var(--head);background:#fff;border:4px solid var(--lv,#ccc);color:var(--ink)}
.stop.core{--lv:#69db7c}.stop.exam{--lv:#4dabf7}.stop.stretch{--lv:#9775fa}.stop.top{--lv:#ff6b6b}.stop.mock{--lv:var(--sun)}
.stop.done .node{background:var(--c);border-color:var(--c);color:#fff}
.stop.locked>div{background:#f8f9fc;border-style:dashed;color:var(--muted)}.stop.locked .node{color:#adb5bd;border-color:#dee2e6;background:#f1f3f5}
.stop.current>a{border-color:var(--c);box-shadow:0 0 0 5px var(--soft)}.stop.current .node{animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--c) 45%,transparent)}70%{box-shadow:0 0 0 14px transparent}100%{box-shadow:0 0 0 0 transparent}}
.stop.mock>a,.stop.mock>div{background:linear-gradient(135deg,#fffbe6,#fff)}
.stop-info{display:flex;flex-direction:column;min-width:0;flex:1}.stop-info b{font-family:var(--head);font-weight:600}
.stop-info small{color:var(--ink2);line-height:1.3;font-size:.86rem}.stop-info em{font-style:normal;font-size:.78rem;color:var(--muted)}
.stars{color:#e8a800;font-size:.9rem;font-weight:700}
.go{grid-column:2;justify-self:end;display:inline-flex;align-items:center;gap:4px;font-weight:700;font-size:.85rem;color:var(--c);white-space:nowrap}
.stop.locked .go{font-weight:400;font-size:.8rem;color:var(--muted)}

/* practice */
.practice-page main.wrap{max-width:900px}
.quiz-bar{position:sticky;top:68px;z-index:10;background:#fffffff2;border:2px solid var(--line);border-radius:var(--r-lg);padding:12px 16px;display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;box-shadow:var(--shadow);margin-bottom:18px}
.quiz-title{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.quiz-title b{font:600 1.15rem var(--head)}.quiz-title small{color:var(--muted)}
.quiz-meta{display:flex;gap:8px}
.progress{grid-column:1/-1;height:8px;background:var(--soft);border-radius:999px;overflow:hidden}.progress i{display:block;height:100%;width:0;background:var(--c);transition:width .3s}
.dots{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:6px}
.dots button{width:32px;height:32px;border-radius:9px;border:2px solid var(--line);background:#fff;font:700 .82rem var(--body);color:var(--muted);cursor:pointer;position:relative}
.dots button.ans{background:var(--soft);border-color:var(--c);color:var(--c)}
.dots button.cur{background:var(--c);border-color:var(--c);color:#fff}
.dots button.flagged:after{content:"";position:absolute;top:-5px;right:-5px;width:11px;height:11px;border-radius:50%;background:var(--sun);border:2px solid #fff}
@media(max-width:620px){.quiz-bar{top:62px;grid-template-columns:auto 1fr}.quiz-meta{grid-column:1/-1}.back span{display:none}.dots button{width:28px;height:28px}}
.qcard,.rcard{background:#fff;border:2px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow);margin-bottom:18px}
.js .qcard{display:none}.js .qcard.show{display:block;animation:slidein .25s ease-out}
@keyframes slidein{from{opacity:0;transform:translateX(14px)}}
.q-head{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.qnum{display:grid;place-items:center;min-width:40px;height:40px;border-radius:12px;background:var(--c,var(--brand));color:#fff;font:600 1.15rem var(--head)}
.topic{background:#f1f3fa;color:var(--ink2);padding:4px 10px;border-radius:999px;font-size:.85rem;font-weight:700}
.flag{margin-left:auto;display:inline-flex;gap:6px;align-items:center;border:2px solid var(--line);background:#fff;border-radius:999px;padding:5px 12px;font:700 .85rem var(--body);color:var(--muted);cursor:pointer}
.flag[aria-pressed=true]{background:#fff8db;border-color:var(--sun);color:#8a5a00}
.prompt{font:600 1.3rem/1.4 var(--head);margin:6px 0 16px}
.rcard .prompt{font-size:1.12rem}
.passage{background:#fffdf5;border:2px solid #ffec99;border-radius:var(--r-md);margin-bottom:14px}
.passage summary{cursor:pointer;padding:10px 14px;font-weight:700;display:flex;gap:8px;align-items:center;color:#8a5a00}
.passage-text{padding:0 18px 16px;max-height:340px;overflow:auto;font-size:1.02rem;line-height:1.75;max-width:68ch}
.stem{display:flex;justify-content:center;margin:6px 0 18px;overflow-x:auto}
.stem svg.fig{width:auto;max-width:100%;height:auto;max-height:230px;background:#fff;border-radius:12px}
.stem svg.fig:not(.strip):not(.grid){width:200px}
.stem svg.grid{width:300px;max-height:none}.stem svg.strip{width:100%;max-height:none}
.options{display:grid;gap:10px}
.options.figs{grid-template-columns:repeat(4,1fr)}
@media(max-width:620px){.options.figs{grid-template-columns:1fr 1fr}}
.opt{display:flex;align-items:center;gap:12px;border:2px solid var(--line);border-radius:var(--r-md);padding:12px 14px;cursor:pointer;background:#fff;transition:border-color .12s,background .12s,transform .08s;position:relative}
label.opt:hover{border-color:var(--c);background:#fcfcff}
.opt input{position:absolute;opacity:0;pointer-events:none}
.letter{display:grid;place-items:center;width:34px;height:34px;flex-shrink:0;border-radius:10px;background:#f1f3fa;font:600 1rem var(--head);color:var(--ink2)}
.otext{font-size:1.06rem}
.opt:has(input:checked){border-color:var(--c);background:var(--soft);transform:scale(1.01)}
.opt:has(input:checked) .letter{background:var(--c);color:#fff}
.opt:has(input:focus-visible){outline:3px solid var(--sun);outline-offset:2px}
.figs .opt{flex-direction:column;padding:10px}.figs .letter{align-self:flex-start}
.fig-wrap{display:block;width:100%}.fig-wrap svg{width:100%;height:auto;max-width:150px;display:block;margin:0 auto}
.hint{margin-top:16px}.hint summary{cursor:pointer;display:inline-flex;gap:6px;align-items:center;font-weight:700;color:#8a5a00;background:#fff8db;padding:6px 14px;border-radius:999px;list-style:none}
.hint summary::-webkit-details-marker{display:none}.hint p{background:#fffbe6;border-radius:var(--r-md);padding:12px 16px;margin:10px 0 0}
.quiz-nav{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap}
.js .quiz-nav #finish{display:none}.js .quiz-nav.ready #finish{display:inline-flex}
.btn.finish{background:var(--good);box-shadow:0 4px 0 #087052}
dialog{border:0;border-radius:24px;padding:0;max-width:420px;width:92%;box-shadow:0 30px 60px -20px #1b1f3b88}
dialog::backdrop{background:#1b1f3b88;backdrop-filter:blur(3px)}
.dlg{padding:28px;text-align:center}.dlg .mascot{display:block;margin:0 auto}.dlg-actions{display:flex;gap:10px;justify-content:center;margin-top:16px;flex-wrap:wrap}

/* results */
.result-hero{display:flex;gap:30px;align-items:center;background:#fff;border:2px solid var(--line);border-top:10px solid var(--c);border-radius:28px;padding:28px 32px;box-shadow:var(--shadow)}
.rh-text h1{margin:4px 0}
.big-stars{font-size:2.4rem;letter-spacing:4px;color:#e9ecef;line-height:1}.big-stars .on{color:var(--sun);text-shadow:0 2px 0 #e8a800;display:inline-block;animation:pop .5s backwards}
.big-stars .on:nth-child(2){animation-delay:.25s}.big-stars .on:nth-child(3){animation-delay:.5s}
@keyframes pop{0%{transform:scale(0)}70%{transform:scale(1.3)}}
.rh-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
@media(max-width:700px){.result-hero{flex-direction:column;text-align:center}.rh-actions,.result-hero .chips{justify-content:center}}
.review-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.tabs{display:flex;gap:6px;background:#fff;border:2px solid var(--line);border-radius:999px;padding:5px;flex-wrap:wrap}
.tabs button,.tabs a{display:inline-flex;gap:6px;align-items:center;border:0;background:none;padding:8px 14px;border-radius:999px;font:700 .92rem var(--body);color:var(--ink2);cursor:pointer;text-decoration:none}
.tabs .on{background:var(--ink);color:#fff}
.tabs.wide{margin-bottom:18px;width:fit-content;max-width:100%}
.rcard{border-left:8px solid var(--good)}.rcard.bad{border-left-color:var(--bad)}
.verdict{margin-left:auto;display:inline-flex;align-items:center;gap:6px;font-weight:700;padding:4px 12px;border-radius:999px}
.rcard.good .verdict{background:var(--goodsoft);color:#085d45}.rcard.bad .verdict{background:var(--badsoft);color:#a61e1e}
.options.review .opt{cursor:default}
.opt.right{border-color:var(--good);background:var(--goodsoft)}.opt.right .letter{background:var(--good);color:#fff}
.opt.chosen{border-color:var(--bad);background:var(--badsoft)}.opt.chosen .letter{background:var(--bad);color:#fff}
.tag{margin-left:auto;font-size:.78rem;font-weight:700;padding:2px 8px;border-radius:999px;display:inline-flex;gap:4px;align-items:center}
.figs .tag{margin:6px auto 0}.tag.ok{background:var(--good);color:#fff}.tag.no{background:var(--bad);color:#fff}
.explain{margin-top:16px;background:#f6f8ff;border-radius:var(--r-md);padding:12px 16px}
.explain p{display:flex;gap:10px;margin:6px 0}.explain .ic{margin-top:4px;color:var(--brand)}.explain .hint-line .ic{color:#e8a800}
.reviews .hide{display:none}
#confetti{position:fixed;inset:0;pointer-events:none;z-index:50}

/* progress */
.cmp-row{display:grid;grid-template-columns:220px 1fr;gap:16px;align-items:center;padding:10px 0;border-bottom:1px solid #eef0f8}
.cmp-bars{display:grid;grid-template-columns:1fr 110px;gap:6px 12px;align-items:center}.cmp-bars small{color:var(--muted)}
.bar.acc i{background:repeating-linear-gradient(45deg,var(--c),var(--c) 6px,color-mix(in srgb,var(--c) 75%,#fff) 6px,color-mix(in srgb,var(--c) 75%,#fff) 12px)}
@media(max-width:620px){.cmp-row{grid-template-columns:1fr}}
.trend-svg{width:100%;height:auto}.gridl line{stroke:#e9ecf5;stroke-width:1}.gridl line:nth-child(5){stroke:var(--sun);stroke-dasharray:6 5;stroke-width:2}
.gridl text{font-size:11px;fill:var(--muted)}.tline{fill:none;stroke:var(--brand);stroke-width:3;stroke-linejoin:round}
.panel h2{display:flex;align-items:center;gap:10px}.panel h2 small{font:400 .9rem var(--body);color:var(--muted)}
.row-form{display:flex;align-items:center;gap:16px;justify-content:space-between;flex-wrap:wrap}.row-form p{display:flex;gap:8px;margin:0;flex:1}

@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}

.notice-box{display:flex;gap:14px;align-items:flex-start;border-color:#ffe066;background:#fffbe6}.notice-box p{margin:4px 0 10px}
.reset-form{display:inline-flex;flex-wrap:wrap;gap:8px;align-items:center;margin-left:10px}.reset-form .check-row{margin:0;font-size:.85rem}

.eyebrow-brand{font:600 1.1rem var(--head);color:var(--brand2);margin:14px 0 0}

/* user management */
.user-create{display:grid;grid-template-columns:1.1fr 1.4fr 1.1fr .8fr auto;gap:12px;align-items:end}.user-create label{margin:0}.user-create .btn{height:50px}
@media(max-width:980px){.user-create{grid-template-columns:1fr 1fr}.user-create .btn{grid-column:1/-1}}@media(max-width:520px){.user-create{grid-template-columns:1fr}}
table.users td{vertical-align:middle}
.who-cell{display:flex;align-items:center;gap:10px}
.avatar{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;font:600 .95rem var(--head);flex-shrink:0}
.avatar.admin{background:#efeaff;color:var(--brand2)}.avatar.student{background:var(--goodsoft);color:#085d45}
.you{background:var(--ink);color:#fff;font-size:.72rem;font-weight:700;padding:2px 8px;border-radius:999px}
.role{display:inline-block;padding:3px 10px;border-radius:999px;font-weight:700;font-size:.85rem;white-space:nowrap}.role.admin{background:#efeaff;color:var(--brand2)}.role.student{background:var(--goodsoft);color:#085d45}
.actions{display:flex;flex-wrap:nowrap;gap:6px;align-items:center;justify-content:flex-end}
.abtn{display:inline-flex;align-items:center;gap:5px;height:32px;padding:0 11px;border:1.5px solid var(--line);background:#fff;border-radius:9px;font:700 .82rem var(--body);color:var(--ink2);text-decoration:none;cursor:pointer;white-space:nowrap;list-style:none;transition:background .12s,border-color .12s,color .12s}
.abtn:hover{border-color:var(--brand);color:var(--brand2);background:#f7f4ff}
.abtn.danger{color:var(--bad);border-color:#ffc9c9}.abtn.danger:hover{background:var(--badsoft);border-color:var(--bad);color:var(--bad)}
.abtn::-webkit-details-marker{display:none}
.inline{display:inline;margin:0}
.act{position:relative}.act[open]>.abtn{border-color:var(--brand);color:var(--brand2);background:#f7f4ff}.act.danger[open]>.abtn{background:var(--badsoft);border-color:var(--bad);color:var(--bad)}
.act form{position:absolute;right:0;top:calc(100% + 6px);z-index:5;background:#fff;border:2px solid var(--line);border-radius:var(--r-md);padding:14px;box-shadow:0 18px 40px -18px #1b1f3b66;width:290px;display:grid;gap:10px}
.act form input{margin:0}.act form p{margin:0;font-size:.88rem;line-height:1.45}
.act form .btn{padding:9px 14px;font-size:.9rem}
.act.danger form .btn{background:var(--bad);box-shadow:0 3px 0 #a61e1e}
.users-wrap{overflow:visible}
@media(max-width:860px){
 table.users thead{display:none} table.users,table.users tbody,table.users tr,table.users td{display:block;width:100%}
 table.users tr{border:2px solid var(--line);border-radius:var(--r-md);padding:10px 12px;margin-bottom:10px}
 table.users td{border:0;padding:4px 0} table.users td:nth-child(4),table.users td:nth-child(5){display:inline-block;width:auto;margin-right:14px;color:var(--muted);font-size:.88rem}
 .actions{justify-content:flex-start;flex-wrap:wrap;margin-top:6px} .act form{left:0;right:auto}
}