:root{
  --bg:#f3faf5; --card:#ffffff; --ink:#0a1f13; --muted:#5a6f61; --line:#e2eee6;
  --g50:#ecfdf3; --g100:#d3f9e1; --g200:#a9f0c6; --g400:#5fd49c; --g500:#30bf7f; --g600:#25a96d; --g700:#1d8a58; --g900:#26302b;
  --easy:#25a96d; --med:#d97706; --hard:#dc2626; --bad:#ef4444; --warn:#f59e0b;
  --shadow:0 1px 2px rgba(10,60,30,.06),0 8px 24px -10px rgba(10,60,30,.14);
  --r:20px; --font:'Plus Jakarta Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif; --mono:'JetBrains Mono',ui-monospace,Consolas,monospace;
  --code-bg:#0e1a13; --code-ink:#d6f5e0;
}
[data-theme=dark]{
  --bg:#07120b; --card:#0e1d14; --ink:#e8fbee; --muted:#8ba898; --line:#1b3125;
  --g50:#0f2618; --g100:#123420; --g200:#1a4a2e; --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px -10px rgba(0,0,0,.6);
  --code-bg:#08110c;
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--ink);font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
a{color:inherit;text-decoration:none}
svg.i{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round;flex:none}
#app{display:grid;grid-template-columns:264px 1fr;min-height:100vh}
/* sidebar */
#side{position:sticky;top:0;height:100vh;padding:22px 16px;display:flex;flex-direction:column;gap:6px;border-right:1px solid var(--line);background:var(--card)}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:23px;letter-spacing:-.03em;padding:4px 10px 18px}
.logo b{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--g400),var(--g600));color:#fff;box-shadow:0 8px 18px -6px rgba(37,169,109,.6)}
.logo b svg{width:22px;height:22px;stroke-width:3.2}
.logo span em{font-style:normal;color:var(--g600)}
.nav a{display:flex;align-items:center;gap:13px;padding:12px 14px;border-radius:14px;font-weight:700;color:var(--muted);transition:.18s}
.nav a:hover{background:var(--g50);color:var(--ink)}
.nav a.on{background:var(--g600);color:#fff;box-shadow:0 10px 20px -10px rgba(37,169,109,.8)}
.side-foot{margin-top:auto;display:grid;gap:10px}
.streak{background:linear-gradient(135deg,#fff7ed,#ffedd5);color:#9a3412;border-radius:16px;padding:14px 16px;display:flex;align-items:center;gap:12px;font-weight:800}
[data-theme=dark] .streak{background:#2a1a0c;color:#fdba74}
.streak small{display:block;font-weight:600;opacity:.8;font-size:12px}
.streak .i{width:26px;height:26px;color:#f97316;fill:#fdba74}
.who{display:flex;align-items:center;gap:10px;padding:8px;border-radius:14px;text-align:left;width:100%}
.who:hover{background:var(--g50)}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--g100);color:var(--g700);display:grid;place-items:center;font-weight:800}
.who small{display:block;color:var(--muted);font-size:12px;line-height:1.2}
.icon-btn{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;color:var(--muted);border:1px solid var(--line);background:var(--card)}
.icon-btn:hover{color:var(--g600);border-color:var(--g400)}
/* main */
#main{min-width:0}
#view{max-width:1240px;margin:0 auto;padding:34px 36px 80px;animation:rise .45s cubic-bezier(.2,.7,.2,1)}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
h1{font-size:34px;font-weight:800;letter-spacing:-.035em;line-height:1.15}
h2{font-size:21px;font-weight:800;letter-spacing:-.02em}
h3{font-size:16px;font-weight:800}
.sub{color:var(--muted);margin-top:6px}
.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:26px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow)}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.row{display:flex;align-items:center;gap:12px}.between{justify-content:space-between}.wrap{flex-wrap:wrap}
.mt{margin-top:22px}.mt2{margin-top:12px}
.muted{color:var(--muted)}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 20px;border-radius:14px;font-weight:800;background:var(--g600);color:#fff;transition:.18s;box-shadow:0 10px 20px -12px rgba(37,169,109,.9)}
.btn:hover{background:var(--g700);transform:translateY(-1px)}
.btn:disabled{opacity:.5;pointer-events:none}
.btn.ghost{background:var(--card);color:var(--ink);border:1px solid var(--line);box-shadow:none}
.btn.ghost:hover{border-color:var(--g500);color:var(--g700)}
.btn.soft{background:var(--g100);color:var(--g700);box-shadow:none}
.btn.white{background:#fff;color:var(--g700)}
.btn.sm{padding:8px 14px;border-radius:11px;font-size:13px}
.btn.danger{background:var(--bad);box-shadow:none}
.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:99px;font-size:12px;font-weight:800;background:var(--g100);color:var(--g700)}
.pill.Easy{background:rgba(37,169,109,.13);color:var(--easy)}
.pill.Medium{background:rgba(217,119,6,.14);color:var(--med)}
.pill.Hard{background:rgba(220,38,38,.13);color:var(--hard)}
.pill.gray{background:var(--line);color:var(--muted)}
/* hero */
.hero{position:relative;overflow:hidden;border-radius:28px;padding:34px;color:#fff;background:linear-gradient(120deg,#26302b 0%,#1d8a58 55%,#30bf7f 130%);display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;box-shadow:0 30px 50px -28px rgba(21,128,61,.8)}
.hero h1{font-size:38px}
.hero p{opacity:.88;margin:10px 0 22px;max-width:520px;font-size:16px}
.blob{position:absolute;border-radius:50%;filter:blur(40px);opacity:.5;animation:float 9s ease-in-out infinite}
.b1{width:260px;height:260px;background:#5fd49c;right:-60px;top:-90px}
.b2{width:200px;height:200px;background:#bbf7d0;left:38%;bottom:-120px;animation-delay:-4s;opacity:.3}
@keyframes float{50%{transform:translate(-24px,18px) scale(1.12)}}
.hero>div,.hero>.ring{position:relative;z-index:1}
.ring{position:relative;display:inline-block;line-height:0}
.ring svg{transform:rotate(-90deg);display:block}
.ring .num{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;text-align:center;line-height:1.15;padding:0 18%}
.ring .num b{font-size:clamp(28px,4vw,40px);white-space:nowrap;font-weight:800;letter-spacing:-.04em;line-height:1}
.ring .num span{font-size:10.5px;line-height:1.25;font-weight:700;opacity:.85;text-transform:uppercase;letter-spacing:.08em}
.ring circle{transition:stroke-dashoffset 1.2s cubic-bezier(.2,.7,.2,1)}
/* stat */
.stat{display:flex;gap:14px;align-items:center}
.stat .ic{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;background:var(--g100);color:var(--g700)}
.stat b{display:block;font-size:27px;font-weight:800;line-height:1.1;letter-spacing:-.03em}
.stat span{font-size:13px;color:var(--muted);font-weight:600}
/* bars */
.bar{height:10px;border-radius:9px;background:var(--line);overflow:hidden}
.bar i{display:block;height:100%;border-radius:9px;background:linear-gradient(90deg,var(--g500),var(--g400));transition:width .9s cubic-bezier(.2,.7,.2,1)}
.bar.Medium i{background:linear-gradient(90deg,#f59e0b,#fbbf24)}.bar.Hard i{background:linear-gradient(90deg,#ef4444,#f87171)}
.meter{display:grid;gap:14px}
.meter .row span:first-child{font-weight:700;min-width:96px}
.meter .bar{flex:1}
.meter small{color:var(--muted);font-weight:700;min-width:54px;text-align:right}
.chart{display:flex;align-items:flex-end;gap:8px;height:130px;padding-top:8px}
.chart div{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:6px;height:100%}
.chart i{width:100%;max-width:26px;border-radius:8px 8px 4px 4px;background:var(--g200);min-height:6px;transition:height .8s}
.chart i.hot{background:var(--g500)}
.chart small{font-size:11px;color:var(--muted);font-weight:700}
/* tabs / chips */
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{padding:8px 15px;border-radius:99px;border:1px solid var(--line);background:var(--card);font-weight:700;font-size:13px;color:var(--muted)}
.chip:hover{border-color:var(--g500)}
.chip.on{background:var(--g600);border-color:var(--g600);color:#fff}
.input{padding:11px 15px;border-radius:13px;border:1px solid var(--line);background:var(--card);outline:0;min-width:0}
.input:focus{border-color:var(--g500);box-shadow:0 0 0 4px rgba(48,191,127,.15)}
.search{position:relative;flex:1;min-width:200px}
.search .i{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--muted);width:18px;height:18px}
.search .input{width:100%;padding-left:40px}
/* problem table */
.ptable{width:100%;border-collapse:separate;border-spacing:0 8px}
.ptable td{padding:15px 16px;background:var(--card);border-block:1px solid var(--line)}
.ptable td:first-child{border-left:1px solid var(--line);border-radius:14px 0 0 14px;width:48px}
.ptable td:last-child{border-right:1px solid var(--line);border-radius:0 14px 14px 0;text-align:right}
.ptable tr{cursor:pointer;transition:.15s}
.ptable tr:hover td{background:var(--g50);border-color:var(--g200)}
.ptable .t{font-weight:800}
.ptable .tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:4px}
.tag{font-size:11.5px;font-weight:700;color:var(--muted);background:var(--bg);padding:2px 9px;border-radius:99px;border:1px solid var(--line)}
.st{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;color:#fff;background:var(--g500)}
.st.no{background:none;border:2px solid var(--line)}
.st.try{background:none;border:2px dashed var(--warn)}
.st .i{width:14px;height:14px;stroke-width:4}
/* workspace */
.ws{display:grid;grid-template-columns:minmax(340px,44%) 1fr;gap:16px;height:calc(100vh - 150px);min-height:560px}
.pane{background:var(--card);border:1px solid var(--line);border-radius:var(--r);display:flex;flex-direction:column;overflow:hidden;min-height:0;box-shadow:var(--shadow)}
.pane-h{display:flex;align-items:center;gap:6px;padding:10px 14px;border-bottom:1px solid var(--line);background:var(--g50)}
.tab{padding:7px 14px;border-radius:10px;font-weight:800;font-size:13px;color:var(--muted)}
.tab.on{background:var(--card);color:var(--g700);box-shadow:0 1px 3px rgba(0,0,0,.08)}
.pane-b{padding:22px;overflow:auto;flex:1;min-height:0}
.prose p{margin:10px 0}.prose h3{margin:20px 0 6px}
.prose code,.kbd{font-family:var(--mono);font-size:13px;background:var(--g50);padding:2px 7px;border-radius:7px;color:var(--g700);border:1px solid var(--line)}
.prose pre{font-family:var(--mono);font-size:13px;background:var(--g50);border:1px solid var(--line);border-radius:14px;padding:14px;margin:8px 0;white-space:pre-wrap}
.prose ul{padding-left:20px;margin:8px 0}
.editor{display:flex;flex:1;min-height:0;background:var(--code-bg);position:relative}
.gutter{padding:16px 0;width:48px;text-align:right;color:#4b6b58;font-family:var(--mono);font-size:13.5px;line-height:1.65;user-select:none;overflow:hidden;white-space:pre;padding-right:12px;border-right:1px solid #16281d}
.code{flex:1;padding:16px;background:transparent;color:var(--code-ink);border:0;outline:0;resize:none;font-family:var(--mono);font-size:13.5px;line-height:1.65;white-space:pre;overflow:auto;tab-size:2}
.console{height:36%;min-height:150px;border-top:1px solid var(--line);display:flex;flex-direction:column;background:var(--card)}
.console .pane-b{padding:14px 18px}
.case{border:1px solid var(--line);border-radius:14px;padding:12px 14px;margin-bottom:10px;font-family:var(--mono);font-size:12.5px}
.case.ok{border-color:rgba(48,191,127,.45);background:rgba(48,191,127,.06)}
.case.bad{border-color:rgba(239,68,68,.45);background:rgba(239,68,68,.06)}
.case b{font-family:var(--font);font-size:13px}
.case div{margin-top:3px;word-break:break-all}
.verdict{font-size:20px;font-weight:800;display:flex;align-items:center;gap:10px;margin-bottom:12px}
.verdict.ok{color:var(--g600)}.verdict.bad{color:var(--bad)}
/* tests */
.cat{position:relative;overflow:hidden;transition:.2s;cursor:pointer}
.cat:hover{transform:translateY(-4px);border-color:var(--g400)}
.cat .big{width:54px;height:54px;border-radius:17px;display:grid;place-items:center;background:var(--g100);color:var(--g700);margin-bottom:16px}
.cat .big svg{width:28px;height:28px}
.qwrap{display:grid;grid-template-columns:1fr 280px;gap:18px}
.opt{display:flex;gap:14px;align-items:center;width:100%;text-align:left;padding:16px 18px;border-radius:16px;border:2px solid var(--line);background:var(--card);font-weight:600;margin-top:10px;transition:.15s}
.opt:hover{border-color:var(--g400)}
.opt .k{width:30px;height:30px;border-radius:10px;background:var(--bg);display:grid;place-items:center;font-weight:800;flex:none;border:1px solid var(--line)}
.opt.sel{border-color:var(--g600);background:var(--g50)}
.opt.sel .k{background:var(--g600);color:#fff;border-color:var(--g600)}
.opt.right{border-color:var(--g500);background:rgba(48,191,127,.09)}
.opt.wrong{border-color:var(--bad);background:rgba(239,68,68,.08)}
.pal{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.pal button{aspect-ratio:1;border-radius:12px;font-weight:800;border:1px solid var(--line);background:var(--card)}
.pal .done{background:var(--g600);color:#fff;border-color:var(--g600)}
.pal .cur{outline:3px solid var(--g200)}
.pal .flag{background:var(--warn);color:#fff;border-color:var(--warn)}
.timer{font-family:var(--mono);font-weight:700;font-size:20px;padding:8px 16px;border-radius:14px;background:var(--g100);color:var(--g700)}
.timer.low{background:rgba(239,68,68,.14);color:var(--bad);animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.55}}
/* interview */
.stage{display:grid;grid-template-columns:340px 1fr;gap:18px}
.iv{background:linear-gradient(160deg,#26302b,#1d8a58);color:#fff;border-radius:var(--r);padding:28px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:16px;position:relative;overflow:hidden}
.bot{width:112px;height:112px;border-radius:50%;background:radial-gradient(circle at 30% 30%,#bbf7d0,#30bf7f);display:grid;place-items:center;position:relative;color:#26302b}
.bot svg{width:52px;height:52px;stroke-width:2.8}
.bot::before,.bot::after{content:"";position:absolute;inset:-10px;border-radius:50%;border:2px solid rgba(255,255,255,.35);opacity:0}
.speaking .bot::before{animation:ripple 1.6s infinite}.speaking .bot::after{animation:ripple 1.6s .6s infinite}
@keyframes ripple{from{transform:scale(.9);opacity:.8}to{transform:scale(1.5);opacity:0}}
.qtext{font-size:22px;font-weight:800;letter-spacing:-.02em;line-height:1.3}
.iv .qtext{font-size:19px}
textarea.ans{width:100%;min-height:230px;padding:18px;border-radius:16px;border:1px solid var(--line);background:var(--card);resize:vertical;outline:0;line-height:1.65}
textarea.ans:focus{border-color:var(--g500);box-shadow:0 0 0 4px rgba(48,191,127,.15)}
.rec{background:var(--bad)!important;color:#fff!important;animation:pulse 1.2s infinite}
.score-big{font-size:56px;font-weight:800;letter-spacing:-.05em;line-height:1;color:var(--g600)}
.tip{display:flex;gap:10px;padding:10px 14px;border-radius:12px;background:var(--g50);border:1px solid var(--line);margin-top:8px;font-size:14px}
.tip .i{color:var(--g600);width:18px;height:18px;margin-top:2px}
.tip.warn .i{color:var(--warn)}
/* roadmap */
.check{display:flex;gap:12px;align-items:flex-start;padding:11px 4px;border-bottom:1px dashed var(--line);cursor:pointer;width:100%;text-align:left}
.check:last-child{border-bottom:0}
.check .box{width:24px;height:24px;border-radius:8px;border:2px solid var(--line);display:grid;place-items:center;flex:none;color:#fff;margin-top:1px;transition:.15s}
.check .box .i{width:14px;height:14px;stroke-width:4;opacity:0}
.check.on .box{background:var(--g600);border-color:var(--g600)}.check.on .box .i{opacity:1}
.check.on span{text-decoration:line-through;color:var(--muted)}
/* misc */
.modal{position:fixed;inset:0;background:rgba(5,25,14,.55);backdrop-filter:blur(6px);display:grid;place-items:center;z-index:50;padding:20px}
.modal[hidden]{display:none}
.modal .card{max-width:440px;width:100%;animation:rise .3s}
#toasts{position:fixed;right:20px;bottom:20px;display:grid;gap:10px;z-index:60}
.toast{background:var(--ink);color:var(--bg);padding:12px 18px;border-radius:14px;font-weight:700;box-shadow:var(--shadow);animation:rise .3s}
.empty{text-align:center;padding:40px;color:var(--muted)}
.trend{width:100%;height:150px}
.hr{height:1px;background:var(--line);margin:18px 0}
@media(max-width:1000px){
  #app{grid-template-columns:1fr}
  #side{position:fixed;top:auto;bottom:0;left:0;right:0;height:auto;z-index:20;flex-direction:row;padding:8px;border:0;border-top:1px solid var(--line)}
  .logo,.side-foot{display:none}.nav{display:flex;width:100%;justify-content:space-around}
  .nav a{flex-direction:column;gap:2px;font-size:11px;padding:8px 10px}
  #view{padding:22px 16px 110px}
  .hero{grid-template-columns:1fr}.g3,.g4{grid-template-columns:1fr 1fr}.g2{grid-template-columns:1fr}
  .ws,.stage,.qwrap{grid-template-columns:1fr;height:auto}.ws .pane{min-height:520px}
  h1,.hero h1{font-size:28px}
}
@media(max-width:560px){.g3,.g4{grid-template-columns:1fr}}
@media(max-width:1000px){.nav a{padding:8px 2px;flex:1;min-width:0;text-align:center;align-items:center;font-size:10.5px}}
/* resume / jobs / misc */
.fl{display:grid;gap:5px;font-size:12.5px;font-weight:700;color:var(--muted)}
.fl .input,textarea.input{width:100%;font-weight:500;color:var(--ink);resize:vertical}
.rgrid{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
.rside{position:sticky;top:20px}
.ent{background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:14px;margin-top:12px}
.paper{background:#fff;color:#111;border-radius:6px;padding:34px 36px;box-shadow:var(--shadow);min-height:520px;font-family:Arial,Helvetica,sans-serif;font-size:12.5px;line-height:1.45;border:1px solid var(--line)}
.paper h1{font-size:24px;letter-spacing:0;text-align:center;font-weight:700;color:#111}
.paper .rt{text-align:center;font-weight:700;color:#166534;margin-top:2px}.paper .rc{text-align:center;color:#444;margin:4px 0 10px;font-size:12px}
.paper h4{font-size:12.5px;text-transform:uppercase;letter-spacing:.06em;border-bottom:1.5px solid #111;margin:14px 0 6px;padding-bottom:2px}
.paper .re{display:flex;justify-content:space-between;gap:10px;margin-top:6px}.paper ul{padding-left:18px;margin:2px 0}.paper p{margin:0}
.kan{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;align-items:start}
.kcol{background:var(--g50);border:1px solid var(--line);border-radius:18px;padding:12px;display:grid;gap:10px}
.jc{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px}
.jc .lnk{display:inline-flex;gap:5px;align-items:center;font-size:12.5px;font-weight:700;color:var(--g700);margin-top:4px}.jc .lnk svg{width:14px;height:14px}
.icon-btn.sm{width:30px;height:30px;border-radius:9px}.icon-btn.sm svg{width:15px;height:15px}.icon-btn:disabled{opacity:.35;pointer-events:none}
@media(max-width:1000px){.rgrid{grid-template-columns:1fr}.rside{position:static}.kan{grid-template-columns:1fr 1fr}.nav{overflow-x:auto}.nav a{flex:none!important;min-width:66px}}
@media print{body *{visibility:hidden}#rpreview,#rpreview *{visibility:visible}#rpreview{position:absolute;left:0;top:0;width:100%;border:0;box-shadow:none;min-height:0}}
.aichip{display:flex;align-items:center;gap:9px;padding:10px 14px;border-radius:14px;border:1px dashed var(--g400);color:var(--g700);font-weight:800;font-size:13.5px;background:var(--g50);width:100%}
.aichip.on{border-style:solid;background:var(--g600);color:#fff;border-color:var(--g600)}.aichip .i{width:17px;height:17px}
.aibox{margin-top:14px;padding:14px;border-radius:16px;background:linear-gradient(135deg,var(--g50),transparent);border:1px solid var(--g200)}
/* ===== landing page ===== */
body.landing #side{display:none}body.landing #app{grid-template-columns:1fr}body.landing #view{max-width:none;padding:0}
.about{font-size:12.5px;font-weight:700;color:var(--muted);text-align:center;padding:2px}.about:hover{color:var(--g600)}
.btn.lg{padding:16px 26px;font-size:16px;border-radius:16px}
.lp{overflow:hidden}
.lp-nav{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px max(24px,calc((100vw - 1200px)/2));background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.lp-links{display:flex;gap:28px}.lp-links a{font-weight:700;color:var(--muted)}.lp-links a:hover{color:var(--g600)}
.lp-hero{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center;padding:70px max(24px,calc((100vw - 1200px)/2)) 80px;background:radial-gradient(circle at 1px 1px,var(--line) 1.3px,transparent 0) 0 0/26px 26px}
.lp-hero .blob{z-index:0}.b3{width:320px;height:320px;background:#86efac;left:-120px;bottom:-140px;animation-delay:-2s;opacity:.35}
.lp-hero .b1{right:-80px;top:-60px;opacity:.35}
.lp-copy,.lp-visual{position:relative;z-index:1}
.lp-copy h1{font-size:clamp(40px,6vw,72px);line-height:1.04;letter-spacing:-.045em;font-weight:800;margin:18px 0 18px}
.lp-copy p{font-size:18px;color:var(--muted);max-width:540px;margin-bottom:28px}
.lp-pill{padding:7px 14px;font-size:13px}
.hl{background:linear-gradient(100deg,var(--g600),var(--g400));-webkit-background-clip:text;background-clip:text;color:transparent}
.rot{display:inline-block;color:var(--g600);transition:.35s cubic-bezier(.5,0,.2,1);position:relative}
.rot::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:.14em;border-radius:9px;background:var(--g200);z-index:-1}
.rot.out{opacity:0;transform:translateY(-.3em) scale(.96)}
.lp-trust{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;color:var(--muted);font-weight:700;font-size:13.5px}
.lp-trust span{display:inline-flex;gap:6px;align-items:center}.lp-trust .i{width:16px;height:16px;color:var(--g600);stroke-width:3.5}
.lp-in{opacity:0;animation:lpin .8s cubic-bezier(.22,1.2,.36,1) forwards;animation-delay:calc(var(--d)*.11s + .1s)}
@keyframes lpin{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
.lp-visual{height:480px}
.fc{position:absolute;background:var(--card);border:1px solid var(--line);border-radius:22px;box-shadow:0 24px 50px -22px rgba(10,60,30,.35);animation:bob 6s ease-in-out infinite}
@keyframes bob{50%{transform:translateY(-14px)}}
.fc-code{left:0;top:30px;width:min(400px,86%);background:#0e1a13;border-color:#1c3326;color:#d6f5e0;padding:0 0 14px;overflow:hidden;z-index:2}
.fc-code pre{font-family:var(--mono);font-size:12.5px;line-height:1.6;padding:14px 18px;margin:0;white-space:pre}.fc-code .k{color:#5fd49c;font-weight:700}
.fc-h{display:flex;gap:6px;align-items:center;padding:12px 16px;border-bottom:1px solid #1c3326}.fc-h i{width:10px;height:10px;border-radius:50%;background:#2d4a3a}.fc-h b{font-family:var(--mono);font-size:12px;margin-left:8px;color:#8fb7a0}
.fc-ok{margin:0 16px;padding:9px 12px;border-radius:12px;background:rgba(74,222,128,.14);color:#5fd49c;font-weight:800;display:flex;gap:8px;align-items:center;font-size:13px}.fc-ok .i{width:16px;height:16px}
.fc-ring{right:0;top:0;padding:16px;animation-delay:-2s;z-index:3}
.fc-iv{right:10px;bottom:10px;width:min(270px,70%);padding:18px;animation-delay:-4s;z-index:3}
.fc-streak{left:30px;bottom:26px;padding:12px 18px;display:flex;gap:8px;align-items:center;color:#9a3412;background:#fff7ed;border-color:#fed7aa;animation-delay:-1s;border-radius:99px;z-index:3}.fc-streak .i{color:#f97316;fill:#fdba74}
[data-theme=dark] .fc-streak{background:#2a1a0c;color:#fdba74;border-color:#5b3416}
.lp-strip{display:flex;gap:14px 34px;flex-wrap:wrap;align-items:center;justify-content:center;padding:22px 24px;border-block:1px solid var(--line);background:var(--card);font-size:17px}
.lp-strip b{letter-spacing:-.02em;color:var(--ink);opacity:.75}
.lp-sec{padding:74px max(24px,calc((100vw - 1200px)/2)) 0}
.lp-title{text-align:center;max-width:640px;margin:0 auto}.lp-title h2{font-size:clamp(28px,4vw,42px);letter-spacing:-.04em;margin:14px 0 8px;line-height:1.1}
.lp-stat{text-align:center;padding:28px}.lp-stat b{display:block;font-size:48px;font-weight:800;letter-spacing:-.05em;color:var(--g600);line-height:1}.lp-stat span{color:var(--muted);font-weight:700}
.lp-feat{transition:.25s}.lp-feat:hover{transform:translateY(-6px);border-color:var(--g400)}.lp-feat .big{width:54px;height:54px;border-radius:17px;display:grid;place-items:center;background:var(--g100);color:var(--g700);margin-bottom:16px}.lp-feat .big svg{width:28px;height:28px}.lp-feat p{margin-top:6px;font-size:14.5px}
.lp-step .num{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:var(--g600);color:#fff;font-weight:800;font-size:20px;margin-bottom:14px}
.lp-cta{position:relative;overflow:hidden;margin:80px max(24px,calc((100vw - 1200px)/2)) 0;padding:60px 28px;border-radius:30px;text-align:center;color:#fff;background:linear-gradient(120deg,#26302b,#1d8a58 60%,#30bf7f 140%)}
.lp-cta h2{font-size:clamp(28px,4vw,44px);letter-spacing:-.04em;position:relative}.lp-cta p{opacity:.88;margin:10px 0 26px;position:relative}.lp-cta .btn{position:relative}
.lp-foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding:36px max(24px,calc((100vw - 1200px)/2)) 44px;font-weight:700}
.rv{opacity:0;transform:translateY(30px) scale(.98);transition:opacity .7s ease,transform .8s cubic-bezier(.22,1.2,.36,1);transition-delay:calc(var(--d,0)*.1s)}.rv.in{opacity:1;transform:none}
@media(max-width:1000px){body.landing #side{display:none}.lp-hero{grid-template-columns:1fr;padding-top:40px}.lp-visual{height:430px}.lp-links{display:none}.lp-nav{padding:12px 16px}}
@media(prefers-reduced-motion:reduce){.fc,.blob,.lp-in{animation:none;opacity:1}.rv{opacity:1;transform:none;transition:none}}

/* ===== accounts, pricing ===== */
.planchip{display:flex;align-items:center;gap:8px;padding:9px 12px;border-radius:12px;background:var(--g100);color:var(--g700);font-weight:800;font-size:13px;margin-bottom:8px}
.planchip .i{width:16px;height:16px}.planchip.pro{background:linear-gradient(120deg,#26302b,#1d8a58);color:#fff}.planchip:hover{filter:brightness(.97)}
.au{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}
.au-side{background:linear-gradient(150deg,#26302b,#1d8a58);color:#fff;padding:48px max(32px,4vw);display:flex;flex-direction:column;justify-content:center;gap:16px}
.au-side .logo,.au-side .logo span{color:#fff}.au-side h1{font-size:clamp(30px,3.6vw,46px);letter-spacing:-.04em;line-height:1.08}.au-side p{opacity:.88;max-width:440px}
.au-side ul{list-style:none;padding:0;margin:8px 0 0;display:grid;gap:12px}.au-side li{display:flex;gap:10px;align-items:center;font-weight:700}.au-side li .i{width:20px;height:20px;padding:3px;border-radius:50%;background:rgba(255,255,255,.2)}
.au-form{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 20px;gap:14px}
.au-form .card{width:100%;max-width:430px}
.au-back{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-weight:700}.au-back .i{width:16px;height:16px}
.gbtn{width:100%;gap:10px}
.or{display:flex;align-items:center;gap:12px;color:var(--muted);margin:16px 0;font-size:13px}.or:before,.or:after{content:"";flex:1;height:1px;background:var(--line)}
.lnk{color:var(--g700);font-weight:800}
#recaptcha-box{min-height:0}
.pgrid{align-items:stretch}
.pc{display:flex;flex-direction:column;gap:2px;position:relative}.pc h2{margin-top:10px}
.pc.pop{border:2px solid var(--g500);box-shadow:0 24px 40px -24px rgba(37,169,109,.6)}
.price{display:flex;align-items:baseline;gap:6px;margin-top:6px}.price b{font-size:40px;letter-spacing:-.04em}.price span{color:var(--muted);font-weight:700}
.pf{list-style:none;padding:0;margin:14px 0 6px;display:grid;gap:9px;flex:1}.pf li{display:flex;gap:9px;align-items:flex-start;font-weight:600;font-size:14.5px}.pf .i{width:18px;height:18px;flex:none;color:var(--g600);margin-top:2px}
.cmp{width:100%;border-collapse:collapse;min-width:520px}.cmp th,.cmp td{padding:13px 18px;text-align:left;border-bottom:1px solid var(--line)}.cmp th{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}.cmp tr:last-child td{border-bottom:0}.cmp td:first-child{font-weight:700}
.cmp .yes .i{width:18px;height:18px;color:var(--g600)}
.pr-wrap{max-width:1100px;margin:0 auto;padding:40px 20px 80px}
.steps{display:grid;gap:16px}.stp{display:flex;gap:12px}.stp>b{flex:none;width:28px;height:28px;border-radius:50%;background:var(--g600);color:#fff;display:grid;place-items:center;font-size:14px}
.paybox{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:10px 12px;border:1px dashed var(--g500);border-radius:12px;background:var(--g50,var(--g100))}.paybox span{color:var(--muted);font-weight:700;font-size:12px}
@media(max-width:860px){.au{grid-template-columns:1fr}.au-side{padding:28px 22px}.au-side ul{display:none}}
.fl label{display:block;font-weight:700;font-size:13px;margin-bottom:6px;color:var(--muted)}
[hidden]{display:none!important}

/* ===== community ===== */
.pcard{display:flex;gap:14px;align-items:flex-start;transition:.2s;color:inherit}.pcard:hover{transform:translateY(-3px);border-color:var(--g500)}
.avatar.big{width:84px;height:84px;font-size:34px;border-radius:24px;flex:none}
.pcard .avatar{flex:none;width:48px;height:48px;font-size:20px}
.stars{color:#f59e0b;font-weight:800;font-size:13px}
.fl textarea.input{font:inherit}

.fc-q{padding:14px 18px;display:grid;gap:8px}.fc-q p{font-weight:700;font-size:13.5px;margin:0 0 4px;line-height:1.4}
.fc-o{display:flex;gap:10px;align-items:center;padding:7px 10px;border-radius:10px;border:1px solid #1c3326;font-size:13px}.fc-o b{width:20px;height:20px;border-radius:6px;display:grid;place-items:center;background:rgba(255,255,255,.1);font-size:11px}
.fc-o.ok{border-color:#5fd49c;background:rgba(74,222,128,.14);color:#5fd49c}

/* TNPrep gradient-green shell */
:root{--bg:#f0f7f3;--line:#dfeae3;--r:14px;--shadow:0 1px 3px rgba(5,60,40,.07);--hg:linear-gradient(135deg,#30bf7f,#1f9a63)}
#app{grid-template-columns:250px 1fr}
#side{background:linear-gradient(180deg,#26302b,#2b3531 55%,#1d8a58);border-right:0;padding:16px 12px;overflow-y:auto}
.logo{padding:6px 10px 14px}.logo span{color:#fff}.logo span em{color:#6ee7b7}
.logo b{background:var(--hg);box-shadow:none}
.nav a{padding:10px 14px;border-radius:10px;font-weight:600;font-size:14.5px;color:#d1fae5}
.nav a:hover{background:rgba(255,255,255,.1);color:#fff}.nav a.on{background:linear-gradient(135deg,rgba(48,191,127,.55),rgba(5,150,105,.55));color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.22)}
.nav a svg{opacity:.9}
.ng{font-size:11px;letter-spacing:.08em;color:#6ee7b7;padding:16px 14px 4px;font-weight:700;opacity:.8}
.nb{margin-left:auto;font-style:normal;font-size:10px;font-weight:800;background:#bbf7d0;color:#17573a;border-radius:4px;padding:2px 6px}
.streak{background:rgba(255,255,255,.1);color:#fde68a;border-radius:10px}.streak .i{color:#fde68a;fill:#fde68a}
.planchip{background:rgba(255,255,255,.1);color:#bbf7d0;border-radius:8px}.planchip.pro{background:#1f9a63;color:#fff}
.aichip{background:transparent;color:#d1fae5;border-color:rgba(255,255,255,.25);border-radius:8px}.aichip.on{background:#1f9a63;color:#fff;border-color:#1f9a63}
.about{color:#a7d9bf}.who{color:#ecfdf5}.who:hover{background:rgba(255,255,255,.1)}.who small{color:#a7d9bf}
#side .icon-btn{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.22);color:#d1fae5}
#topbar{position:sticky;top:0;z-index:15;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.tp-in{display:flex;align-items:center;gap:16px;padding:10px 32px}
.tp-search{position:relative;flex:1;max-width:760px}
.tp-search input{width:100%;padding:10px 40px 10px 14px;border:1px solid var(--line);border-radius:10px;background:#f4faf6;outline:0}
.tp-search input:focus{border-color:#30bf7f;background:#fff}
.tp-search svg{position:absolute;right:12px;top:50%;transform:translateY(-50%);width:17px;height:17px;color:#7a9a88}
.tp-r{margin-left:auto;display:flex;align-items:center;gap:12px}
.tp-pass{background:var(--hg);color:#fff;font-weight:700;padding:9px 18px;border-radius:10px;font-size:14px}
.tp-ic{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;color:#5a6f61}.tp-ic:hover{background:#e8f5ed}
.tp-av{width:36px;height:36px;border-radius:50%;background:var(--hg);color:#fff;font-weight:700}
body.landing #topbar{display:none}
#view{padding:26px 32px 80px}
.page-head h1{font-size:26px}
.btn{border-radius:10px;box-shadow:none;font-weight:700;background:var(--hg);color:#fff;border-color:transparent}
.btn.sm{border-radius:8px}.btn.lg{border-radius:12px}
.btn.ghost,.btn.soft,.btn.danger{background:transparent}
.btn.ghost{border-radius:10px;color:inherit}
.pill{border-radius:6px}
[data-theme=dark] #topbar{background:rgba(13,30,22,.92)}[data-theme=dark] .tp-search input{background:#0b1a12}
body.landing .hm-nav .btn.ghost{background:transparent;color:var(--ink)}
@media(max-width:1000px){#app{grid-template-columns:1fr}#side{width:auto;overflow:visible;padding:8px}.ng,.nb{display:none}.tp-in{padding:10px 16px}.tp-pass{display:none}#view{padding:20px 16px 110px}.nav{overflow-x:auto;justify-content:flex-start!important}.nav a{flex:0 0 auto!important;min-width:84px}#side{max-width:100vw}.grid[style*="1.2fr"]{grid-template-columns:1fr!important}}

/* ===== Gradeup brand: rocket green #30bf7f on charcoal #333 (from the Gradeup logo) ===== */
:root{--g50:#eafaf2;--g100:#d2f4e3;--g200:#a6e9c9;--g400:#5fd49c;--g500:#30bf7f;--g600:#25a96d;--g700:#1d8a58;--g900:#1f2a25;
  --bg:#f4f7f5;--line:#e1e8e4;--ink:#2b2f2d;--muted:#5f6b65;--hg:linear-gradient(135deg,#30bf7f,#1f9a63);--brand-ink:#333}
[data-theme=dark]{--bg:#121513;--card:#1b1f1d;--ink:#eef3f0;--muted:#97a39d;--line:#2a312d;--g50:#1a2a22;--g100:#1d3329;--g200:#24493a}
#side{background:linear-gradient(180deg,#2b2e2d,#333735 60%,#2f3331)}
.logo{gap:10px}
.logo b{width:40px;height:40px;border-radius:12px;background:#fff;box-shadow:0 6px 16px -8px rgba(0,0,0,.5)}
.logo b img{width:34px;height:34px;display:block}
.logo span{font-weight:800;letter-spacing:-.035em;color:#fff}
.logo span em{font-weight:300;color:#7fe0b2;letter-spacing:-.02em}
body.landing .logo span,.lp-nav .logo span{color:var(--brand-ink)}
body.landing .logo span em,.lp-nav .logo span em{color:var(--brand-ink)}
[data-theme=dark] body.landing .logo span,[data-theme=dark] body.landing .logo span em{color:#eef3f0}
body.landing .logo b{box-shadow:none;background:transparent}
body .au-side .logo span,body .au-side .logo span em{color:#fff}
body .au-side .logo b{background:#fff}
.nav a{color:#d9e1dd}
.nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.nav a.on{background:linear-gradient(135deg,#30bf7f,#22a46a);color:#fff;box-shadow:0 8px 18px -10px rgba(48,191,127,.9)}
.ng{color:#7fe0b2}
.nb{background:#30bf7f;color:#fff}
.streak{background:rgba(255,255,255,.08)}
.planchip{background:rgba(255,255,255,.08);color:#c9f1dd}.planchip.pro{background:#25a96d;color:#fff}
.aichip{color:#d9e1dd;border-color:rgba(255,255,255,.2)}.aichip.on{background:#25a96d;border-color:#25a96d}
.about,.who small{color:#a9b5af}.who{color:#f1f5f3}
#side .icon-btn{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);color:#d9e1dd}
.tp-search input{background:#f4f7f5}.tp-search input:focus{border-color:#30bf7f}
.tp-ic:hover{background:#eafaf2}
[data-theme=dark] #topbar{background:rgba(27,31,29,.92)}[data-theme=dark] .tp-search input{background:#151917}
.tp-exam{display:flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid var(--line);border-radius:10px;font-weight:700;font-size:14px;white-space:nowrap;background:var(--card)}
.tp-exam svg{width:17px;height:17px;color:var(--g600)}
.tp-exam small{color:var(--muted);font-weight:600;font-size:12px}
.tp-exam:hover{border-color:var(--g400)}
/* exam browser */
.gx-ico{--c:#30bf7f;display:grid;place-items:center;width:46px;height:46px;border-radius:14px;flex:none;background:color-mix(in srgb,var(--c) 14%,var(--card));color:var(--c);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--c) 22%,transparent)}
.gx-ico svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.gx-ico.lg{width:60px;height:60px;border-radius:18px}.gx-ico.lg svg{width:31px;height:31px}
.gx-ico.sm{width:32px;height:32px;border-radius:10px}.gx-ico.sm svg{width:18px;height:18px;stroke-width:2}
.gx-q{width:100%;max-width:520px}
.gx-fams{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.gx-fam{display:flex;flex-direction:column;gap:9px;transition:.18s;border-top:3px solid var(--c)}
.gx-fam:hover{transform:translateY(-3px);box-shadow:0 14px 30px -18px var(--c)}
.gx-fam b{font-size:18px;margin-top:4px}
.gx-go{margin-top:auto;font-weight:700;font-size:13.5px;color:var(--c)}
.gx-tags{display:flex;flex-wrap:wrap;gap:6px}
.gx-tags i{font-style:normal;font-size:12px;font-weight:600;border:1px solid var(--line);border-radius:999px;padding:2px 9px;color:var(--muted)}
.gx-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px}
.gx-card{display:flex;align-items:center;gap:12px;padding:14px 16px}
.gx-card b{display:block;font-size:15px;line-height:1.3}.gx-card .muted{font-size:12.5px}
.gx-card .pill{margin-left:auto;white-space:nowrap}
.gx-card:hover{border-color:var(--g400)}.gx-card.on{border-color:var(--g500);box-shadow:0 0 0 2px var(--g200)}
.gx-code{font-family:var(--mono);font-weight:700;font-size:12.5px;background:color-mix(in srgb,var(--c,#30bf7f) 12%,var(--card));color:var(--c,#25a96d);padding:3px 8px;border-radius:6px}
.gx-crumb{font-size:13.5px;color:var(--muted);margin-bottom:12px}.gx-crumb a:hover{color:var(--g600)}.gx-crumb span{margin:0 6px}
.gx-fhead{display:flex;align-items:center;gap:16px;margin-bottom:18px}.gx-fhead h1{margin:0}
.gx-split{display:grid;grid-template-columns:290px 1fr;gap:18px;align-items:start}
.gx-side{padding:10px;position:sticky;top:78px;max-height:calc(100vh - 96px);overflow-y:auto}
.gx-sidehead{font-weight:800;font-size:15px;padding:8px 10px 2px}
.gx-grp{font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding:14px 10px 6px}
.gx-dep{display:flex;align-items:center;gap:10px;padding:7px 10px;border-radius:11px;font-weight:600;font-size:14px;line-height:1.25;transition:.15s}
.gx-dep .gx-n{flex:1;min-width:0}
.gx-dep em{font-style:normal;font-family:var(--mono);font-size:11.5px;font-weight:700;color:var(--muted)}
.gx-dep svg.i{width:16px;height:16px;color:var(--g600)}
.gx-dep:hover{background:var(--g50)}
.gx-dep.on{background:color-mix(in srgb,var(--c) 13%,var(--card));box-shadow:inset 3px 0 0 var(--c)}
.gx-dep.on em{color:var(--c)}
.gx-detail{display:flex;flex-direction:column;gap:14px}
.gx-detail h2{font-size:24px;margin:8px 0 2px;line-height:1.2}.gx-detail h3{font-size:16px;margin-top:6px}
.gx-dh{display:flex;gap:16px;align-items:flex-start}
.gx-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:10px}
.gx-stats div{border:1px solid var(--line);border-radius:12px;padding:10px 12px}
.gx-stats b{display:block;font-size:22px;color:var(--c)}.gx-stats span{font-size:12.5px;color:var(--muted)}
.gx-secs2{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:10px}
.gx-sec{display:flex;gap:10px;align-items:center;border:1px solid var(--line);border-radius:12px;padding:10px 12px}
.gx-sec b{display:block;font-size:14px;line-height:1.3}.gx-sec .muted{font-size:12.5px}
.gx-road{margin:0;padding-left:20px;display:grid;gap:5px}.gx-road li{padding-left:4px}
.gx-guest .gx-wrap{max-width:1240px;margin:0 auto;padding:28px 24px 80px}
@media(max-width:1000px){.gx-fams{grid-template-columns:1fr 1fr}.tp-exam small{display:none}}
@media(max-width:900px){.gx-split{grid-template-columns:1fr}.gx-side{position:static;max-height:none;display:flex;gap:6px;overflow-x:auto;padding:8px}.gx-sidehead,.gx-grp{display:none}.gx-dep{flex:0 0 auto;border:1px solid var(--line)}.gx-dep .gx-n{white-space:nowrap}}
@media(max-width:560px){.gx-fams{grid-template-columns:1fr}.gx-dh{flex-direction:column}.gx-guest .gx-wrap{padding:20px 16px 60px}}
.btn.danger{background:transparent;color:var(--bad);border:1px solid var(--bad)}
.btn.danger:hover{background:var(--bad);color:#fff}
@media(max-width:560px){.tp-search{display:none}.tp-in{justify-content:flex-end}}
/* header exam dropdown */
.tp-exam{position:relative;padding:0 0 0 12px;gap:6px;cursor:pointer}
.tp-exam select{appearance:none;-webkit-appearance:none;border:0;background:transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2325a96d' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 10px center/16px;font-weight:700;font-size:14px;color:var(--ink);padding:9px 34px 9px 2px;max-width:260px;outline:0;cursor:pointer;text-overflow:ellipsis}
.tp-exam select option,.tp-exam select optgroup{color:#2b2f2d;background:#fff}
.tp-exam:focus-within{border-color:var(--g500);box-shadow:0 0 0 3px var(--g100)}
/* tests on the exam page */
.gx-tests{display:flex;flex-direction:column;gap:8px}
.gx-tests h3{margin:6px 0 2px}
.gx-test{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:var(--card)}
.gx-tt{flex:1;min-width:0}.gx-tt b{display:block;font-size:14.5px;line-height:1.3}.gx-tt .muted{font-size:12.5px}
.gx-st{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:700;padding:4px 9px;border-radius:999px;white-space:nowrap}
.gx-st svg.i{width:14px;height:14px}
.gx-st.ok{background:var(--g50);color:var(--g700)}
.gx-st.lk{background:color-mix(in srgb,#f59e0b 14%,var(--card));color:#b45309}
.gx-test.locked .gx-tt b{color:var(--muted)}
.gx-test.locked .gx-ico{filter:grayscale(.7);opacity:.7}
.gx-best{font-size:12.5px;font-weight:700;color:var(--g600);white-space:nowrap}
.gx-test .btn{min-width:84px;justify-content:center}
@media(max-width:560px){.gx-test{flex-wrap:wrap}.gx-tt{flex-basis:calc(100% - 50px)}.gx-test .btn{margin-left:auto}.tp-exam select{max-width:170px}}
.gx-tests+.gx-tests{margin-top:20px}
/* exam page: tabs on the left */
.gx-exhead{display:flex;align-items:center;gap:10px;padding:8px 10px 12px;border-bottom:1px solid var(--line);margin-bottom:8px}
.gx-exhead b{display:block;font-size:16px}.gx-exhead .muted{font-size:12.5px}
.gx-sidecta{padding:12px 6px 4px}.gx-sidecta .btn{width:100%;justify-content:center}
.gx-switch{display:flex;flex-direction:column;gap:6px;padding:12px 8px 6px;font-size:12.5px}
.gx-switch select{font:inherit;font-size:14px;color:inherit;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:8px 10px}
.gx-setgrp{display:flex;align-items:center;gap:10px;margin:14px 0 2px}.gx-setgrp b{font-size:15px}.gx-setgrp .muted{font-size:12.5px;margin-left:auto}
.gx-gh{margin:22px 0 10px}
@media(max-width:900px){.gx-exhead,.gx-sidecta,.gx-switch{display:none}}
/* ===== exam-hall test screen ===== */
body.in-exam{overflow:hidden}
.ex{position:fixed;inset:0;z-index:40;display:grid;grid-template-rows:auto 1fr auto;background:#fff;color:#1f2a24;font-size:15px}
.ex-top{display:flex;align-items:center;gap:12px;padding:8px 16px;background:linear-gradient(90deg,#2f3331,#1d8a58);color:#fff}
.ex-top img{width:32px;height:32px;background:#fff;border-radius:9px;padding:3px}
.ex-title{flex:1;min-width:0;font-size:17px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ex-time{background:#fff;color:#1d8a58;border-radius:6px;padding:5px 10px;font-size:13px;font-weight:600;white-space:nowrap}
.ex-time b{background:#e8f8f0;border-radius:4px;padding:2px 7px;margin-left:4px;font-variant-numeric:tabular-nums;color:#155f3e}
.tm-v.low{color:#dc2626!important;background:#fde8e8!important}
.ex-tb{background:#fff;color:#1d8a58;border:0;border-radius:6px;padding:7px 14px;font:inherit;font-size:13px;font-weight:700;cursor:pointer}
.ex-ico{padding:6px 8px;display:grid;place-items:center}.ex-ico svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.ex-body{display:grid;grid-template-columns:1fr 300px;min-height:0;position:relative}
.ex.nopal .ex-body{grid-template-columns:1fr}.ex.nopal .ex-pal{display:none}
.ex-main{display:grid;grid-template-rows:auto auto 1fr;min-height:0;border-right:1px solid #dfe7e2}
.ex-secs{display:flex;align-items:center;justify-content:space-between;gap:10px;background:#f4f7f5;border-bottom:1px solid #dfe7e2;padding:0 10px}
.ex-tabs{display:flex;overflow-x:auto}
.ex-tabs button{border:0;background:none;font:inherit;font-size:13.5px;font-weight:600;color:#4b5a52;padding:11px 14px;cursor:pointer;white-space:nowrap;border-bottom:3px solid transparent}
.ex-tabs button.on{color:#1d8a58;border-bottom-color:#30bf7f;background:#fff}
.ex-lang{font:inherit;font-size:13px;border:1px solid #c9d5ce;border-radius:6px;padding:4px 8px;background:#fff;color:inherit}
.ex-qbar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 14px;border-bottom:1px solid #dfe7e2;font-size:14px}
.ex-qmeta{display:flex;align-items:center;gap:14px;font-size:13px;font-weight:600}
.ex-chip{border:1px solid #c9d5ce;border-radius:5px;padding:3px 9px;font-weight:500}
.ex-qmeta em{font-style:normal;color:#dc2626}.ex-qmeta em.pos{color:#1d8a58}
.ex-q{display:grid;grid-template-columns:1fr 1fr;min-height:0}
.ex-stem,.ex-opts{padding:18px 20px;overflow-y:auto}
.ex-stem{border-right:1px solid #dfe7e2}
.ex-stem .qtext{font-size:17px;line-height:1.6;font-weight:500}
.ex-sname,.ex-hint{font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:#6b7a72;margin:0 0 10px}
.ex-opt{display:flex;align-items:flex-start;gap:12px;padding:11px 12px;border:1px solid transparent;border-radius:10px;cursor:pointer;line-height:1.45;margin-bottom:6px}
.ex-opt:hover{background:#f2faf6}
.ex-opt.sel{background:#e8f8f0;border-color:#30bf7f}
.ex-rad{flex:0 0 18px;height:18px;border:2px solid #8a9a92;border-radius:50%;margin-top:2px}
.ex-opt.sel .ex-rad{border-color:#1d8a58;box-shadow:inset 0 0 0 3px #fff;background:#1d8a58}
.ex-collapse{position:absolute;right:300px;top:50%;transform:translateY(-50%);width:20px;height:56px;border:0;border-radius:6px 0 0 6px;background:#2f3331;color:#fff;cursor:pointer;display:grid;place-items:center;z-index:2}
.ex.nopal .ex-collapse{right:0}
.ex-collapse svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.ex-pal{background:#eef8f3;overflow-y:auto;min-height:0}
.ex-user{display:flex;align-items:center;gap:10px;padding:12px 16px;background:#fff;border-bottom:1px solid #dfe7e2}
.ex-av{width:36px;height:36px;border-radius:50%;background:#30bf7f;color:#fff;display:grid;place-items:center;font-weight:800}
.ex-tl{padding:8px 16px;font-size:13.5px;text-align:center;background:#fff}.ex-tl b{background:#f1f4f2;padding:3px 8px;border-radius:4px;margin-left:4px;font-variant-numeric:tabular-nums}
.ex-legend{display:grid;grid-template-columns:1fr 1fr;gap:9px 8px;padding:12px 14px;background:#fff;font-size:12.5px;line-height:1.25;border-bottom:1px solid #dfe7e2}
.ex-legend span{display:flex;align-items:center;gap:7px}.ex-legend .wide{grid-column:1/-1}
.ex-legend .ex-s{flex:0 0 26px;width:26px;height:24px;font-size:11px}
.ex-sechead{background:#1d8a58;color:#fff;font-weight:700;font-size:14px;padding:10px 16px}
.ex-choose{font-size:13px;margin:12px 16px 8px;color:#4b5a52}
.ex-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:0 16px 18px}
.ex-s{position:relative;display:grid;place-items:center;height:42px;border:1px solid #c3ccc7;border-radius:6px;background:#f1f3f2;color:#33413a;font:inherit;font-size:14px;font-weight:600;cursor:pointer;font-style:normal}
.ex-s.ans{background:#30bf7f;border-color:#25a96d;color:#fff;border-radius:6px 6px 14px 14px}
.ex-s.na{background:#e5533d;border-color:#c9432f;color:#fff;border-radius:14px 14px 6px 6px}
.ex-s.mr,.ex-s.amr{background:#7c4dcc;border-color:#6a3bb8;color:#fff;border-radius:50%}
.ex-grid .ex-s.mr,.ex-grid .ex-s.amr{width:42px;justify-self:center}
.ex-s.amr::after{content:'';position:absolute;right:-2px;bottom:-2px;width:11px;height:11px;border-radius:50%;background:#30bf7f;border:2px solid #fff}
.ex-s.cur{outline:3px solid #f5a524;outline-offset:2px}
.ex-foot{display:flex;justify-content:space-between;gap:10px;padding:10px 14px;border-top:1px solid #dfe7e2;background:#fafcfb}
.ex-fl,.ex-fr{display:flex;gap:10px;flex-wrap:wrap}
.ex-b{border:1px solid #c3ccc7;background:#fff;color:#1f2a24;font:inherit;font-size:14px;font-weight:600;border-radius:6px;padding:9px 14px;cursor:pointer}
.ex-b:hover{border-color:#30bf7f}.ex-b:disabled{opacity:.45;cursor:default}
.ex-b.pri{background:#30bf7f;border-color:#25a96d;color:#fff}
.ex-b.fin{background:#2f3331;border-color:#2f3331;color:#fff}
.ex-pause{position:absolute;inset:0;background:rgba(20,30,25,.86);display:grid;place-items:center;text-align:center;color:#fff;z-index:5}
.ex-pause p{opacity:.85;margin:6px 0 16px}
@media(max-width:900px){
  .ex-body{grid-template-columns:1fr}.ex-pal,.ex-collapse{display:none}
  .ex:not(.nopal) .ex-pal{display:block;position:absolute;right:0;top:0;bottom:0;width:min(300px,86vw);box-shadow:-8px 0 24px rgba(0,0,0,.18);z-index:3}
  .ex.nopal .ex-collapse,.ex:not(.nopal) .ex-collapse{display:grid;right:0}.ex:not(.nopal) .ex-collapse{right:min(300px,86vw);z-index:4}
  .ex-q{grid-template-columns:1fr;overflow-y:auto}.ex-stem{border-right:0;border-bottom:1px solid #dfe7e2;overflow:visible}.ex-opts{overflow:visible}
  .ex-time{font-size:0}.ex-time b{font-size:13px;margin:0}.ex-title{font-size:15px}
  .ex-foot{flex-direction:column}.ex-fl,.ex-fr{justify-content:stretch}.ex-b{flex:1;font-size:13px;padding:9px 8px}
}
.ex-main,.ex-q,.ex-stem,.ex-opts,.ex-secs{min-width:0}.ex-top>*{flex-shrink:0}.ex-top .ex-title{flex-shrink:1}
@media(max-width:900px){.ex-body{grid-template-columns:minmax(0,1fr)!important}.ex-top{gap:8px;padding:8px 10px}.ex-top .ex-tb{padding:6px 9px}.ex-qmeta{gap:8px}.ex-qmeta .ex-chip{display:none}.ex-fl,.ex-fr{flex-wrap:nowrap}.ex-b{min-width:0}}
.ex{grid-template-columns:minmax(0,1fr)}.ex-foot>*{min-width:0}@media(max-width:900px){.ex-b{white-space:normal;line-height:1.2}}
/* results banner */
.rh{display:flex;align-items:center;gap:18px;padding:26px 28px;margin-bottom:22px;overflow:hidden;background:linear-gradient(120deg,#eafaf2 0%,#f6fbf8 55%,#e3f6ec 100%);border-color:#cdeedd}
.rh-txt{flex:1;min-width:0}.rh h1{margin:10px 0 6px;font-size:30px;letter-spacing:-.02em;color:#1f2a24}.rh p{margin:0;color:#4b5a52}
.rh-art{flex:0 0 320px;width:320px;height:200px}
.rh-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.rh-stats div{background:#fff;border:1px solid #d7efe2;border-radius:12px;padding:8px 14px;min-width:86px}
.rh-stats b{display:block;font-size:19px;color:#1d8a58}.rh-stats span{font-size:12px;color:#6b7a72}
.rh-ribbon{transform-origin:20% 50%;animation:rhwave 3.2s ease-in-out infinite}
.rh-conf{animation:rhpop 2.6s ease-in-out infinite}
@keyframes rhwave{50%{transform:skewY(-3deg) translateY(3px)}}
@keyframes rhpop{50%{transform:translateY(-4px)}}
@media(prefers-reduced-motion:reduce){.rh-ribbon,.rh-conf{animation:none}}
[data-theme=dark] .rh{background:linear-gradient(120deg,#16271f,#1b2420);border-color:#25392f}[data-theme=dark] .rh h1{color:#eef3f0}[data-theme=dark] .rh p{color:#a9b8b0}[data-theme=dark] .rh-stats div{background:#1b1f1d;border-color:#2a312d}
@media(max-width:760px){.rh{flex-direction:column-reverse;align-items:stretch;padding:18px}.rh-art{flex:none;width:100%;height:160px}.rh h1{font-size:24px}.rh-stats div{flex:1;min-width:70px}}
/* landing: category tabs + exam tiles */
.lp-grid{max-width:1180px;margin:26px auto 0}
.lp-tabs{display:flex;gap:6px;overflow-x:auto;padding:6px;background:var(--card);border:1px solid var(--line);border-radius:14px;scrollbar-width:none}
.lp-tabs::-webkit-scrollbar{display:none}
.lp-tabs button{flex:0 0 auto;border:0;background:none;font:inherit;font-size:14.5px;font-weight:600;color:var(--muted);padding:10px 16px;border-radius:10px;cursor:pointer;white-space:nowrap;transition:.15s}
.lp-tabs button:hover{color:var(--g600);background:var(--g50)}
.lp-tabs button.on{background:linear-gradient(135deg,#30bf7f,#1f9a63);color:#fff;box-shadow:0 6px 16px -8px rgba(31,154,99,.7)}
.lp-tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;margin-top:18px}
.lp-tile{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;min-height:128px;padding:18px 10px;background:var(--card);border:1px solid var(--line);border-radius:16px;text-align:center;font-weight:600;font-size:15px;line-height:1.3;color:var(--ink);transition:.18s;animation:rise .35s ease both}
.lp-tile:hover{border-color:var(--g400);transform:translateY(-3px);box-shadow:0 14px 28px -18px rgba(31,154,99,.55)}
.lp-more{text-align:center;margin-top:18px}.lp-all{font-weight:700;color:var(--g600)}
@media(max-width:560px){.lp-tiles{grid-template-columns:repeat(3,1fr);gap:10px}.lp-tile{min-height:104px;padding:12px 6px;font-size:13px;gap:8px}}
/* one exam per account */
.au-exam{display:inline-flex;align-items:center;gap:12px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);border-radius:14px;padding:10px 16px 10px 10px;margin:18px 0 4px}
.au-exam small{display:block;font-size:12px;opacity:.8}.au-exam b{font-size:16px}
.au-exam .gx-ico{background:#fff}
.tp-exam.tp-mine{display:flex;align-items:center;gap:8px;text-decoration:none;color:inherit}.tp-mine .gx-ico{width:28px;height:28px}
.gx-lock{max-width:720px;margin:30px auto;padding:26px}
/* ===== Current Affairs ===== */
.ca-months{display:flex;gap:8px;overflow-x:auto;padding:4px 2px 10px;margin-bottom:14px;scrollbar-width:thin}
.ca-months a{flex:0 0 auto;display:flex;flex-direction:column;align-items:center;gap:1px;min-width:92px;padding:9px 12px;border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--ink);text-decoration:none;line-height:1.2}
.ca-months a b{font-size:14px}.ca-months a i{font-style:normal;font-size:12px;color:var(--muted)}
.ca-months a em{font-style:normal;font-size:11px;font-weight:800;color:var(--g600);margin-top:3px}
.ca-months a.soon{opacity:.6}.ca-months a.soon em{color:var(--muted);font-weight:600}
.ca-months a.on{background:linear-gradient(135deg,#30bf7f,#1f9a63);border-color:transparent;color:#fff;opacity:1}.ca-months a.on i,.ca-months a.on em{color:#e6fff2}
.ca-hero{display:grid;grid-template-columns:240px 1fr;gap:18px;align-items:center;background:linear-gradient(120deg,#eafaf2,#f6fbf8);border-color:#cdeedd;margin-bottom:16px}
.ca-hero h2{margin:8px 0 0}.ca-hero ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:8px 18px}
.ca-hero li{display:flex;gap:8px;align-items:flex-start;font-size:14px;line-height:1.35}.ca-hero li .i{flex:0 0 18px;width:18px;height:18px;color:var(--g600)}
[data-theme=dark] .ca-hero{background:linear-gradient(120deg,#16271f,#1b2420);border-color:#25392f}
.ca-tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:14px;overflow-x:auto}
.ca-tabs button{border:0;background:none;font:inherit;font-weight:700;font-size:14.5px;color:var(--muted);padding:10px 14px;border-bottom:3px solid transparent;cursor:pointer;white-space:nowrap}
.ca-tabs button.on{color:var(--g600);border-bottom-color:var(--g500,#30bf7f)}.ca-tabs em,.ca-filter em{font-style:normal;font-size:11.5px;opacity:.7;margin-left:3px}
.ca-filter{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:6px}
.ca-day{position:relative;padding-left:22px;border-left:2px solid var(--line);margin-left:6px}
.ca-date{position:relative;margin:22px 0 10px;font-size:16px}.ca-date span{font-weight:500;color:var(--muted);font-size:13px;margin-left:6px}
.ca-date::before{content:'';position:absolute;left:-30px;top:4px;width:12px;height:12px;border-radius:50%;background:#30bf7f;box-shadow:0 0 0 4px var(--bg)}
.ca-story{margin-bottom:12px;padding:18px 20px}
.ca-meta{display:flex;gap:6px;margin-bottom:8px}
.ca-story h4{margin:0 0 6px;font-size:17.5px;line-height:1.35}
.ca-story p{margin:0 0 10px;line-height:1.6}
.ca-story b,.ca-points b,.ca-one b,.ca-gk b{color:var(--g700,#1d8a58);font-weight:800}
[data-theme=dark] .ca-story b,[data-theme=dark] .ca-points b,[data-theme=dark] .ca-one b{color:#7fe0b2}
.ca-key{display:flex;gap:10px;align-items:flex-start;background:#fff8e1;border-left:4px solid #f5a524;border-radius:10px;padding:10px 12px;margin:4px 0 10px}
.ca-key .i{flex:0 0 18px;width:18px;height:18px;color:#c77c02;margin-top:2px}.ca-key small{display:block;font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:#a16207}
.ca-key b{color:#3d2c00!important;font-size:15px}
[data-theme=dark] .ca-key{background:#2a2310}[data-theme=dark] .ca-key b{color:#ffe7a3!important}
.ca-points{margin:0;padding-left:20px;line-height:1.6}.ca-points li{margin:3px 0}
.ca-note{font-size:13px;color:var(--muted);display:flex;gap:6px;align-items:flex-start}.ca-note .i{width:15px;height:15px;flex:0 0 15px;margin-top:3px}
.ca-src{font-size:12.5px;color:var(--muted)}.ca-src a{color:var(--g600)}
.ca-one{margin:0;padding-left:24px;line-height:1.65}.ca-one li{margin:7px 0}
.ca-gk h4{margin:0 0 8px}
.ca-q{margin-bottom:12px}.ca-opts{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:10px}
.ca-soon{display:flex;gap:14px;align-items:center;padding:28px}.ca-soon>.i{width:34px;height:34px;color:var(--g600)}
@media(max-width:760px){.ca-hero{grid-template-columns:1fr}.ca-hero ul{grid-template-columns:1fr}.ca-opts{grid-template-columns:1fr}.ca-day{padding-left:16px}.ca-date::before{left:-24px}}

/* Front page: Current Affairs */
.lp-ca{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:18px;margin-top:22px;align-items:start}
.lp-ca>.empty{grid-column:1/-1}
.lp-ca-top h3{margin:10px 0 8px}
.lp-ca-top ul{list-style:none;padding:0;margin:0 0 16px;display:grid;gap:8px}
.lp-ca-top li{padding-left:16px;position:relative;line-height:1.4}
.lp-ca-top li:before{content:"";position:absolute;left:0;top:.55em;width:7px;height:7px;border-radius:50%;background:#30bf7f}
.lp-ca-news{display:grid;gap:12px}
.lp-ca-n{display:grid;grid-template-columns:76px minmax(0,1fr);gap:14px;padding:16px 18px}
.lp-ca-d{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;border-radius:12px;background:rgba(48,191,127,.12);padding:8px 4px;align-self:start}
.lp-ca-d b{font-size:16px;color:#1f9a63}
.lp-ca-d span{font-size:11px;color:var(--muted);line-height:1.2;margin-top:2px}
.lp-ca-n h4{margin:0 0 4px;font-size:16px}
.lp-ca-n p{margin:0;color:var(--muted);line-height:1.5;font-size:14px}
.lp-ca-n p b{color:var(--ink)}
.lp-ca-months{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin-top:18px}
.lp-ca-m{display:flex;flex-direction:column;gap:4px;padding:16px}
.lp-ca-m b{font-size:17px}
.lp-ca-m span{font-size:13px}
.lp-ca-m .btn{margin-top:8px;justify-content:center;white-space:nowrap;padding-left:8px;padding-right:8px}
@media (max-width:900px){.lp-ca{grid-template-columns:minmax(0,1fr)}.lp-ca-months{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:480px){.lp-ca-n{grid-template-columns:56px minmax(0,1fr);gap:10px;padding:14px}.lp-ca-d span{display:none}}