:root{--navy:#11156f;--blue:#526fd1;--peri:#e9edff;--gold:#f3a51b;--cream:#fffaf3;--ink:#25263a;--muted:#6d7180;--line:#e3e5ee;--green:#18785f;--red:#a62c4f;--shadow:0 18px 55px rgba(17,21,111,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;background:#f6f7fb;color:var(--ink);line-height:1.52}
button,input,select{font:inherit}.hidden{display:none!important}.wrap{width:min(1180px,calc(100% - 28px));margin:auto}
.topbar{background:linear-gradient(135deg,var(--navy),#3246b4);color:#fff;padding:26px 0}.brand{display:flex;align-items:center;gap:14px}.owl{width:52px;height:52px;border-radius:18px;background:#fff;color:var(--navy);display:grid;place-items:center;font-size:28px}.brand h1{font-size:1.35rem;margin:0}.brand p{margin:2px 0 0;color:#dbe0ff;font-size:.82rem}
.hero{padding:42px 0 26px}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center}.eyebrow{font-size:.72rem;font-weight:950;letter-spacing:.14em;text-transform:uppercase;color:var(--blue)}h2{font-size:clamp(2.5rem,6vw,5rem);line-height:.98;letter-spacing:-.055em;color:var(--navy);margin:10px 0}.hero p{color:var(--muted);max-width:750px}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.stat{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow)}.stat b{display:block;font-size:2rem;color:var(--navy)}.stat span{font-size:.77rem;color:var(--muted)}
.card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow)}.builder{margin:22px auto 60px}.builder-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.field label{display:block;font-size:.75rem;font-weight:900;color:var(--navy);margin-bottom:6px}.field select,.field input{width:100%;border:1px solid var(--line);border-radius:12px;padding:11px 12px;background:#fff}.field small{color:var(--muted)}.buttons{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.btn{border:0;border-radius:12px;padding:11px 16px;font-weight:900;cursor:pointer;background:var(--navy);color:#fff}.btn.secondary{background:#fff;color:var(--navy);border:1px solid var(--navy)}.btn.gold{background:var(--gold);color:#3b2b00}.btn.danger{background:var(--red)}.btn:disabled{opacity:.45;cursor:not-allowed}
.notice{background:#fff1c9;border-left:5px solid var(--gold);padding:14px 16px;border-radius:12px;color:#5d4a15;margin:16px 0}.statusline{display:flex;gap:9px;flex-wrap:wrap}.pill{border-radius:999px;padding:6px 10px;background:var(--peri);color:var(--navy);font-size:.74rem;font-weight:850}
.exam-shell{display:grid;grid-template-columns:1fr 300px;gap:18px;margin-bottom:60px}.exam-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:14px}.timer{font-size:1.45rem;font-weight:950;color:var(--navy);background:var(--peri);padding:9px 13px;border-radius:13px;min-width:120px;text-align:center}.timer.warn{background:#fff0d1;color:#8a5800}.timer.urgent{background:#ffe1e6;color:var(--red)}
.question-card{min-height:560px}.qmeta{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:14px}.qmeta span{font-size:.7rem;font-weight:850;border:1px solid var(--line);border-radius:999px;padding:5px 9px;color:var(--muted)}.qstem{font-size:1.15rem;font-weight:780;margin:15px 0}.stimulus{border:1px solid var(--line);border-radius:16px;background:#fbfbfe;padding:16px;margin:14px 0;overflow:auto}.stimulus svg{max-width:100%;height:auto;display:block;margin:auto}.stimulus p{margin:10px 0}.visual-note{font-size:.85rem;color:var(--muted)}
.answers{display:grid;gap:10px;margin-top:16px}.answer{display:grid;grid-template-columns:42px 1fr;gap:10px;align-items:center;border:1px solid var(--line);border-radius:15px;padding:11px;background:#fff;cursor:pointer}.answer:hover{border-color:var(--blue);background:#fafbff}.answer.selected{border-color:var(--blue);background:var(--peri)}.answer input{display:none}.letter{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:#f0f1f7;color:var(--navy);font-weight:950}.answer .visual-choice svg{width:150px;max-height:115px}.feedback{margin-top:15px;border-radius:14px;padding:15px}.feedback.correct{background:#e3f7f0;color:#165e4c}.feedback.incorrect{background:#ffe8ed;color:#7c1938}.feedback ol{margin:8px 0}
.sidebar{position:sticky;top:12px;align-self:start}.sidebar h3{color:var(--navy);margin-top:0}.progressbar{height:10px;background:#eceef6;border-radius:999px;overflow:hidden}.progressbar div{height:100%;background:var(--blue)}.navigator{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin:14px 0;max-height:370px;overflow:auto}.navbtn{border:1px solid var(--line);background:#fff;border-radius:9px;padding:7px 4px;font-size:.75rem;cursor:pointer}.navbtn.current{outline:3px solid #aebafd}.navbtn.answered{background:#dff5ee;border-color:#93d2bc}.navbtn.flagged{box-shadow:inset 0 -4px 0 var(--gold)}.legend{display:grid;gap:5px;font-size:.72rem;color:var(--muted)}.legend i{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:5px}
.results{margin-bottom:60px}.scoregrid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.scorebox{border:1px solid var(--line);border-radius:17px;padding:17px;background:#fff}.scorebox b{display:block;font-size:1.8rem;color:var(--navy)}.breakdown{width:100%;border-collapse:collapse;margin-top:18px}.breakdown th,.breakdown td{padding:10px;border-bottom:1px solid var(--line);text-align:left}.review-item{border:1px solid var(--line);border-radius:16px;padding:16px;margin:12px 0}.review-item.correct{border-left:5px solid var(--green)}.review-item.incorrect{border-left:5px solid var(--red)}.review-answer{padding:8px;border-radius:8px;margin:5px 0;background:#f6f7fb}.review-answer.chosen{outline:2px solid var(--blue)}.review-answer.right{background:#e3f7f0}
.history{margin:20px 0 70px}.history-row{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:10px;padding:10px 0;border-bottom:1px solid var(--line);font-size:.85rem}.footer{padding:28px 0;background:#242638;color:#c9cada;text-align:center}
@media(max-width:900px){.hero-grid,.exam-shell{grid-template-columns:1fr}.builder-grid,.scoregrid{grid-template-columns:repeat(2,1fr)}.sidebar{position:static}.navigator{grid-template-columns:repeat(10,1fr)}}
@media(max-width:600px){.builder-grid,.scoregrid,.stat-grid{grid-template-columns:1fr}.navigator{grid-template-columns:repeat(5,1fr)}.exam-head{display:block}.timer{margin-top:10px}.history-row{grid-template-columns:1fr 1fr}.hero{padding-top:25px}}

.bank-note{background:#eef1ff;border:1px solid #cdd5ff;border-radius:12px;padding:12px;color:#27387e;margin-top:12px}
.cumulative-badges{display:flex;gap:7px;flex-wrap:wrap;margin-top:16px}
.cumulative-badges span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 10px;color:var(--navy);font-size:.72rem;font-weight:850}
.section-lock-note{font-size:.75rem;color:var(--muted);margin-top:8px}

.wave3-note{background:#eef8ff;border:1px solid #b9d8ef;border-radius:12px;padding:12px;color:#174b6b;margin-top:12px}

.final-target-note{
  background:#fff8df;
  border:1px solid #efd36b;
  border-radius:12px;
  padding:12px;
  color:#694f00;
  margin-top:12px
}