:root{
  --ink:#1f2a37; --muted:#5b6675; --paper:#f7f4ec; --card:#ffffff; --line:#e4dccb;
  --teal:#0f766e; --teal-d:#0b5c56; --amber:#b45309; --blue:#1d4ed8;
  --ok:#15803d; --ok-bg:#dcfce7; --bad:#b91c1c; --bad-bg:#fee2e2; --warn:#b45309; --warn-bg:#fef3c7;
  --r:14px; --shadow:0 1px 2px rgba(31,42,55,.06),0 6px 18px rgba(31,42,55,.06);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;line-height:1.55;font-size:17px;
  background-image:linear-gradient(rgba(15,118,110,.045) 1px,transparent 1px);background-size:100% 34px}
button{font:inherit;color:inherit;cursor:pointer}
h1,h2,h3{line-height:1.2;margin:0}
.wrap{max-width:1040px;margin:0 auto;padding:20px 16px 56px}

/* ---------- pecahan ---------- */
.frac{display:inline-flex;flex-direction:column;vertical-align:middle;text-align:center;line-height:1.15;margin:0 .18em;font-size:.92em}
.frac>span{padding:0 .22em}
.frac>span:first-child{border-bottom:1.6px solid currentColor}

/* ---------- tombol ---------- */
.btn{border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:.55em 1.2em;font-weight:600;transition:transform .08s,background .15s,border-color .15s}
.btn:hover{border-color:var(--teal)}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--teal);border-color:var(--teal);color:#fff}
.btn.primary:hover{background:var(--teal-d)}
.btn.ghost{background:transparent}
.btn.danger{background:var(--bad);border-color:var(--bad);color:#fff}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.sm{padding:.35em .9em;font-size:.9em}

/* ---------- topbar ---------- */
.top{display:flex;align-items:center;gap:12px;margin-bottom:22px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em;cursor:pointer;background:none;border:0;padding:0}
.logo{width:40px;height:40px;border-radius:12px;background:var(--teal);color:#fff;display:grid;place-items:center;font-size:21px;box-shadow:var(--shadow)}
.brand small{display:block;font-weight:600;color:var(--muted);font-size:.72em;margin-top:-2px}
.spacer{flex:1}

/* ---------- beranda ---------- */
.hero{margin:6px 0 26px}
.hero h1{font-size:clamp(1.7rem,4.2vw,2.5rem);letter-spacing:-.02em}
.hero p{color:var(--muted);max-width:60ch;margin:.6em 0 0}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.card{background:var(--card);border:1.5px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--shadow)}
.card h3{font-size:1.15rem;margin-bottom:6px}
.card p{margin:.2em 0 1em;color:var(--muted);font-size:.95em}
.card .ico{font-size:30px;margin-bottom:8px}
.stats{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.stat{background:#fff;border:1.5px solid var(--line);border-radius:12px;padding:10px 16px}
.stat b{display:block;font-size:1.4rem}
.stat span{color:var(--muted);font-size:.85em}
.note{margin-top:26px;font-size:.85em;color:var(--muted);border-left:4px solid var(--line);padding:4px 0 4px 12px;max-width:72ch}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
select{font:inherit;padding:.45em .7em;border:1.5px solid var(--line);border-radius:10px;background:#fff}

/* ---------- daftar topik ---------- */
.group{margin:0 0 26px}
.group-h{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap}
.group-h h2{font-size:1.25rem}
.dot{width:12px;height:12px;border-radius:50%;background:var(--c)}
.topics{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}
.topic{background:#fff;border:1.5px solid var(--line);border-left:6px solid var(--c);border-radius:12px;padding:14px 16px;text-align:left;display:flex;flex-direction:column;gap:4px;transition:box-shadow .15s,transform .08s}
.topic:hover{box-shadow:var(--shadow);transform:translateY(-1px)}
.topic b{font-size:1rem}
.topic span{color:var(--muted);font-size:.86em}
.badge{align-self:flex-start;margin-top:4px;font-size:.78em;font-weight:700;padding:2px 9px;border-radius:999px;background:var(--warn-bg);color:var(--warn)}
.badge.good{background:var(--ok-bg);color:var(--ok)}
.badge.low{background:var(--bad-bg);color:var(--bad)}

/* ---------- kuis ---------- */
.qbar{display:flex;align-items:center;gap:12px;background:var(--teal);color:#fff;border-radius:var(--r);padding:10px 14px;margin-bottom:14px;flex-wrap:wrap;box-shadow:var(--shadow)}
.qbar h2{font-size:1.02rem;flex:1;min-width:140px}
.timer{font-variant-numeric:tabular-nums;font-weight:800;background:rgba(255,255,255,.16);padding:4px 12px;border-radius:999px}
.timer.low{background:var(--bad);animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.7}}
.qbar .btn{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.35);color:#fff}
.qbar .btn:hover{background:rgba(255,255,255,.26)}
.qbar .btn.finish{background:#fff;color:var(--teal-d);border-color:#fff}
.qlayout{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:16px;align-items:start}
.qcard{background:var(--card);border:1.5px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow);min-width:0}
.qhead{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px;align-items:center}
.tag{font-size:.78em;font-weight:700;padding:3px 10px;border-radius:999px;background:var(--c);color:#fff}
.tag.ghost{background:#eef2f6;color:var(--muted)}
.qno{font-weight:800;color:var(--muted);margin-left:auto;font-size:.9em}
.qtext{font-size:1.12rem;font-weight:600;margin-bottom:10px}
.fig{margin:10px 0 14px;padding:10px;background:#fffdf7;border:1.5px dashed var(--line);border-radius:12px;text-align:center}
.fig svg{max-width:100%;height:auto;display:inline-block}
.hint{margin:4px 0 12px;font-size:.88em;color:var(--teal-d);font-weight:600}
.opts{display:grid;gap:10px}
.opt{display:flex;align-items:center;gap:12px;text-align:left;background:#fff;border:2px solid var(--line);border-radius:12px;padding:11px 14px;transition:border-color .12s,background .12s}
.opt:hover:not(:disabled){border-color:var(--teal);background:#f3fbfa}
.opt b{flex:none;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:#eef2f6;font-size:.92em}
.opt.chk b{border-radius:8px}
.opt span{flex:1;min-width:0}
.opt span svg{max-height:120px;width:auto;height:auto;max-width:100%}
.opt.sel{border-color:var(--teal);background:#e7f7f5}
.opt.sel b{background:var(--teal);color:#fff}
.opt.correct{border-color:var(--ok);background:var(--ok-bg)}
.opt.correct b{background:var(--ok);color:#fff}
.opt.wrong{border-color:var(--bad);background:var(--bad-bg)}
.opt.wrong b{background:var(--bad);color:#fff}
.opt.missed{border-style:dashed;border-color:var(--ok)}
.opt:disabled{cursor:default;color:inherit}
table.kat{width:100%;border-collapse:separate;border-spacing:0 8px}
.kat th{font-size:.82em;color:var(--muted);text-align:center;padding:0 6px;width:84px}
.kat th:first-child{text-align:left;width:auto}
.kat td{background:#fff;border-top:2px solid var(--line);border-bottom:2px solid var(--line);padding:10px 12px}
.kat td:first-child{border-left:2px solid var(--line);border-radius:12px 0 0 12px}
.kat td:last-child{border-right:2px solid var(--line);border-radius:0 12px 12px 0}
.kat td.c{text-align:center;padding:6px}
.pick{width:44px;height:36px;border:2px solid var(--line);border-radius:10px;background:#fff;font-weight:800;color:var(--muted)}
.pick.sel{background:var(--teal);border-color:var(--teal);color:#fff}
.pick.correct{background:var(--ok);border-color:var(--ok);color:#fff}
.pick.wrong{background:var(--bad);border-color:var(--bad);color:#fff}
.pick.key{outline:3px solid var(--ok);outline-offset:1px}
.pick:disabled{cursor:default}
.exp{margin-top:16px;border-radius:12px;padding:12px 14px;background:#f1f5f9;border-left:5px solid var(--teal)}
.exp.ok{background:var(--ok-bg);border-color:var(--ok)}
.exp.bad{background:var(--bad-bg);border-color:var(--bad)}
.exp.warn{background:var(--warn-bg);border-color:var(--warn)}
.exp .verdict{font-weight:800;display:block;margin-bottom:2px}
.qctl{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap;align-items:center}
.flag{display:inline-flex;gap:6px;align-items:center;font-size:.92em;color:var(--muted);user-select:none;cursor:pointer}
.flag input{width:18px;height:18px;accent-color:var(--warn)}
.qnav{background:var(--card);border:1.5px solid var(--line);border-radius:var(--r);padding:14px;box-shadow:var(--shadow);position:sticky;top:12px}
.qnav h4{margin:0 0 10px;font-size:.92rem}
.grid{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}
.nb{aspect-ratio:1;border:2px solid var(--line);border-radius:10px;background:#fff;font-weight:700;font-size:.9em;position:relative}
.nb.done{background:#cfeee9;border-color:#7cc9bf}
.nb.cur{outline:3px solid var(--blue);outline-offset:1px}
.nb.flg::after{content:"";position:absolute;top:3px;right:3px;width:9px;height:9px;border-radius:50%;background:var(--warn)}
.nb.ok{background:var(--ok-bg);border-color:var(--ok)}
.nb.bad{background:var(--bad-bg);border-color:var(--bad)}
.legend{margin-top:12px;font-size:.78em;color:var(--muted);display:grid;gap:3px}

/* ---------- hasil ---------- */
.score{display:flex;gap:22px;align-items:center;flex-wrap:wrap;background:var(--card);border:1.5px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow);margin-bottom:16px}
.ring{--p:0;width:132px;height:132px;border-radius:50%;background:conic-gradient(var(--col,var(--teal)) calc(var(--p)*1%),#e8e3d4 0);display:grid;place-items:center;flex:none}
.ring>div{width:104px;height:104px;border-radius:50%;background:#fff;display:grid;place-items:center;text-align:center;line-height:1}
.ring b{font-size:2rem}
.ring small{color:var(--muted);font-size:.7em}
.score h2{font-size:1.5rem;margin-bottom:4px}
.score p{margin:.2em 0;color:var(--muted)}
.panel{background:var(--card);border:1.5px solid var(--line);border-radius:var(--r);padding:18px;box-shadow:var(--shadow);margin-bottom:16px}
.panel h3{font-size:1.1rem;margin-bottom:12px}
.bar{display:grid;grid-template-columns:minmax(120px,230px) 1fr 74px;gap:10px;align-items:center;margin:9px 0;font-size:.92em}
.track{height:14px;background:#eee8d9;border-radius:999px;overflow:hidden}
.fill{height:100%;background:var(--c,var(--teal));border-radius:999px;min-width:2px}
.bar em{font-style:normal;text-align:right;color:var(--muted);font-variant-numeric:tabular-nums}
.advice li{margin:.3em 0}
details.rv{background:#fff;border:1.5px solid var(--line);border-radius:12px;margin-bottom:10px;overflow:hidden}
details.rv>summary{cursor:pointer;padding:12px 16px;display:flex;gap:10px;align-items:center;font-weight:600;list-style:none}
details.rv>summary::-webkit-details-marker{display:none}
details.rv>summary::after{content:"▾";margin-left:auto;color:var(--muted)}
details.rv[open]>summary::after{content:"▴"}
.st{font-size:.76em;font-weight:800;padding:2px 9px;border-radius:999px}
.st.ok{background:var(--ok-bg);color:var(--ok)}
.st.bad{background:var(--bad-bg);color:var(--bad)}
.st.none{background:#eef2f6;color:var(--muted)}
details.rv .in{padding:4px 18px 18px;border-top:1.5px solid var(--line)}
.hist{width:100%;border-collapse:collapse;font-size:.92em}
.hist th,.hist td{padding:8px 10px;border-bottom:1.5px solid var(--line);text-align:left}
.hist th{color:var(--muted);font-size:.82em}
dialog{border:0;border-radius:var(--r);padding:22px;box-shadow:0 20px 60px rgba(0,0,0,.3);max-width:min(420px,92vw)}
dialog::backdrop{background:rgba(31,42,55,.5)}
dialog h3{margin-bottom:8px}
.dlg-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:18px}
.empty{color:var(--muted);padding:6px 0}

@media (max-width:860px){
  body{font-size:16px}
  .qlayout{grid-template-columns:1fr}
  .qnav{position:static;order:2}
  .grid{grid-template-columns:repeat(10,1fr)}
  .bar{grid-template-columns:1fr 70px}
  .bar .track{grid-column:1/-1;order:3}
}
@media (max-width:520px){
  .qcard{padding:16px}
  .grid{grid-template-columns:repeat(6,1fr)}
  .kat th{width:62px}
  .pick{width:38px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---------- revisi: halaman depan & database ---------- */
.wrap.narrow{max-width:760px}
.title{display:flex;align-items:center;gap:14px;margin:8px 0 22px}
.title .logo{width:52px;height:52px;font-size:28px;border-radius:14px}
.title small{display:block;color:var(--teal-d);font-weight:700;letter-spacing:.06em;text-transform:uppercase;font-size:.72rem}
.title h1{font-size:clamp(1.6rem,5vw,2.3rem);letter-spacing:-.02em}
.panel h2{font-size:1.2rem;margin-bottom:10px}
.petunjuk{margin:0;padding-left:1.3em}
.petunjuk>li{margin:.55em 0;padding-left:.2em}
.petunjuk ul{margin:.3em 0 .2em;padding-left:1.2em}
.petunjuk ul li{margin:.2em 0}
.form{display:grid;gap:14px}
.form label{display:grid;gap:6px;font-weight:700;font-size:.95em}
.form input{font:inherit;font-weight:400;padding:.7em .9em;border:2px solid var(--line);border-radius:12px;background:#fff;width:100%}
.form input:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(15,118,110,.15)}
.btn.big{padding:.8em 1.4em;font-size:1.05rem;justify-self:start}
.err{color:var(--bad);font-weight:600;margin:0;min-height:1.2em}
.resume{display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap;background:var(--warn-bg);border:1.5px solid #f3d38a;border-radius:var(--r);padding:14px 18px;margin-bottom:16px}
.resume span{color:var(--muted);font-size:.92em}
.qbar h2 small{display:block;font-weight:500;opacity:.85;font-size:.78em}
.dbstatus{margin:.5em 0;font-size:.88em;padding:6px 10px;border-radius:8px;background:#eef2f6;color:var(--muted)}
.dbstatus.ok{background:var(--ok-bg);color:var(--ok)}
.dbstatus.warn{background:var(--warn-bg);color:var(--warn)}
/* rekap */
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.toolbar input,.toolbar select{font:inherit;padding:.5em .8em;border:1.5px solid var(--line);border-radius:10px;background:#fff}
.tbl-wrap{overflow-x:auto;background:#fff;border:1.5px solid var(--line);border-radius:var(--r)}
.tbl-wrap .hist{min-width:900px}
.hist td.num,.hist th.num{text-align:right}

/* ---------- teks bacaan (Bahasa Indonesia) ---------- */
.bacaan{background:#fffdf7;border:1.5px solid var(--line);border-left:5px solid var(--amber);border-radius:12px;padding:14px 18px;margin:0 0 16px}
.bacaan-h{display:flex;flex-wrap:wrap;gap:8px 10px;align-items:center;margin-bottom:8px}
.bacaan-h b{font-size:1.08rem}
.bacaan-b p{margin:0 0 .7em;font-family:"Atkinson Hyperlegible","Segoe UI",system-ui,sans-serif;font-size:1.06rem;line-height:1.7}
.bacaan-b p:last-child{margin-bottom:0}
.bacaan.lipat{padding:0;margin-bottom:12px;overflow:hidden}
.bacaan.lipat>summary{cursor:pointer;padding:10px 14px;display:flex;flex-wrap:wrap;gap:6px 10px;align-items:center;list-style:none}
.bacaan.lipat>summary::-webkit-details-marker{display:none}
.bacaan.lipat>summary em{color:var(--muted);font-size:.88em}
.bacaan.lipat>.bacaan-b{padding:0 18px 14px}
@media (min-width:900px){
  .qcard .bacaan{max-height:none}
}