:root{--ink:#eaf0f6;--muted:#9eabba;--night:#091018;--navy:#0e1a27;--panel:#142331;--line:#2a3b4c;--lime:#c7f464;--coral:#ff6b5e;--blue:#6bb7ff;--gold:#ffc857;--shadow:0 24px 60px #0007;--r:18px}*{box-sizing:border-box}html{font-size:16px}body{margin:0;background:radial-gradient(circle at 80% -20%,#17405b 0,transparent 38%),var(--night);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;min-height:100vh}.grain{position:fixed;inset:0;pointer-events:none;opacity:.055;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E")}.topbar{height:70px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(18px,4vw,58px);border-bottom:1px solid var(--line);position:sticky;top:0;background:#091018e8;backdrop-filter:blur(12px);z-index:10}.brand{color:var(--ink);text-decoration:none;font-weight:760;display:flex;gap:11px;align-items:center;letter-spacing:.02em}.brand-mark{width:34px;height:34px;display:grid;place-items:center;background:var(--lime);color:#071008;border-radius:9px;font-size:.85rem}.statusline{display:flex;gap:12px;align-items:center;color:var(--muted);font-size:.9rem}.sep{width:4px;height:4px;border-radius:50%;background:var(--lime)}main{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:34px 0 80px}footer{color:#728090;text-align:center;font-size:.78rem;padding:0 18px 28px}.eyebrow{color:var(--lime);text-transform:uppercase;letter-spacing:.15em;font-size:.75rem;font-weight:800}.home-head{display:grid;grid-template-columns:1.3fr .7fr;gap:28px;align-items:end;margin:18px 0 28px}.home-head h1{font-size:clamp(2.3rem,6vw,5.2rem);line-height:.92;margin:8px 0 14px;letter-spacing:-.055em;max-width:850px}.home-head h1 em{color:var(--lime);font-style:normal}.lead{color:var(--muted);font-size:1.08rem;line-height:1.55;max-width:680px}.readiness{background:linear-gradient(145deg,#172a3a,#101d29);border:1px solid var(--line);padding:22px;border-radius:var(--r);box-shadow:var(--shadow)}.readiness strong{font-size:2.4rem;display:block;margin:8px 0}.bar{height:8px;background:#071019;border-radius:20px;overflow:hidden}.bar>i{display:block;height:100%;background:linear-gradient(90deg,var(--blue),var(--lime));border-radius:20px}.mode-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:26px 0}.mode{min-height:210px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:20px;text-align:left;color:var(--ink);cursor:pointer;transition:.18s transform,.18s border-color;display:flex;flex-direction:column}.mode:hover,.mode:focus-visible{transform:translateY(-4px);border-color:var(--lime);outline:none}.mode:disabled{opacity:.5;cursor:not-allowed}.mode .icon{font-size:1.65rem}.mode h2{font-size:1.14rem;margin:auto 0 7px}.mode p{color:var(--muted);margin:0;line-height:1.4;font-size:.9rem}.mode b{color:var(--lime);font-size:.77rem;margin-top:14px}.modules-wrap{background:#0d1823;border:1px solid var(--line);border-radius:var(--r);padding:20px}.section-row{display:flex;align-items:center;justify-content:space-between;gap:14px}.section-row h2{margin:0;font-size:1rem}.textbtn{border:0;background:none;color:var(--blue);cursor:pointer;font:inherit}.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.chip{border:1px solid var(--line);background:#172633;color:var(--muted);padding:8px 11px;border-radius:99px;cursor:pointer;font-size:.82rem}.chip.on{border-color:var(--lime);color:#0a120b;background:var(--lime)}.play-layout{display:grid;grid-template-columns:1fr 280px;gap:22px}.hud{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.hud-left{display:flex;gap:10px;align-items:center}.tag{padding:6px 10px;background:#1a2b39;border:1px solid var(--line);border-radius:99px;color:var(--muted);font-size:.78rem}.timer{font-variant-numeric:tabular-nums;font-weight:800;font-size:1.05rem}.timer.warn{color:var(--coral)}.progress{height:5px;background:#1c2b37;border-radius:9px;margin-bottom:18px;overflow:hidden}.progress i{height:100%;display:block;background:var(--lime);transition:width .25s}.card{background:linear-gradient(150deg,#162735,#101d28);border:1px solid var(--line);border-radius:24px;padding:clamp(22px,4vw,42px);box-shadow:var(--shadow);min-height:525px;display:flex;flex-direction:column}.card h1{font-size:clamp(1.35rem,3vw,2.1rem);line-height:1.3;margin:16px 0 24px;letter-spacing:-.02em}.instruction{color:var(--blue);font-size:.85rem;margin-bottom:12px}.options{display:grid;gap:10px}.option{display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:center;text-align:left;width:100%;border:1px solid #304455;background:#0c1720;color:var(--ink);padding:13px 15px;border-radius:13px;cursor:pointer;font:inherit;line-height:1.35}.option:hover{border-color:#587087}.option.selected{border-color:var(--blue);background:#11283a}.option.correct{border-color:var(--lime);background:#1b3528}.option.wrong{border-color:var(--coral);background:#3a1d20}.letter{height:28px;width:28px;border:1px solid #4a6072;border-radius:8px;display:grid;place-items:center;font-weight:800;font-size:.78rem}.feedback{margin-top:18px;padding:15px 17px;border-left:3px solid var(--lime);background:#0a151e;border-radius:0 12px 12px 0;line-height:1.5}.feedback.bad{border-color:var(--coral)}.feedback b{display:block;margin-bottom:4px}.source{display:block;color:var(--muted);font-size:.8rem;margin-top:8px}.actions{margin-top:auto;padding-top:20px;display:flex;justify-content:space-between;gap:10px}.btn{border:0;border-radius:12px;background:var(--lime);color:#091109;padding:12px 18px;font-weight:800;cursor:pointer;font-size:.95rem}.btn:disabled{opacity:.35;cursor:not-allowed}.btn.secondary{background:#223544;color:var(--ink);border:1px solid var(--line)}.side{background:#0d1823;border:1px solid var(--line);border-radius:18px;padding:18px;height:max-content;position:sticky;top:92px}.side h3{font-size:.82rem;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin:0 0 14px}.metric{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line)}.metric strong{color:var(--lime)}.navdots{display:grid;grid-template-columns:repeat(6,1fr);gap:6px;margin-top:16px}.navdot{aspect-ratio:1;border-radius:7px;border:1px solid var(--line);background:#182631;color:var(--muted);font-size:.68rem;cursor:pointer}.navdot.done{background:#274336;color:var(--lime)}.navdot.current{outline:2px solid var(--blue)}.result-head{text-align:center;max-width:760px;margin:20px auto 34px}.score-ring{width:160px;height:160px;border-radius:50%;display:grid;place-items:center;margin:20px auto;background:conic-gradient(var(--lime) var(--score),#1b2a37 0);position:relative}.score-ring:after{content:"";position:absolute;inset:13px;background:var(--night);border-radius:50%}.score-ring strong{z-index:1;font-size:2.3rem}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.result-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:20px}.result-card h2{font-size:1rem;margin:0 0 16px}.module-row{display:grid;grid-template-columns:minmax(100px,1fr) 2fr 48px;gap:10px;align-items:center;margin:11px 0;font-size:.83rem}.review-item{border-top:1px solid var(--line);padding:14px 0}.review-item b{display:block;margin-bottom:5px}.review-item span{color:var(--muted);font-size:.86rem}.empty{padding:40px;text-align:center;color:var(--muted)}@media(max-width:900px){.home-head{grid-template-columns:1fr}.mode-grid{grid-template-columns:1fr 1fr}.play-layout{grid-template-columns:1fr}.side{position:static}.navdots{grid-template-columns:repeat(10,1fr)}}@media(max-width:560px){main{width:min(100% - 20px,1180px);px);padding-top:22px}.topbar{padding:0 14px}.statusline{font-size:.76rem}.home-head h1{font-size:2.75rem}.mode-grid{grid-template-columns:1fr}.mode{min-height:150px}.result-grid{grid-template-columns:1fr}.card{padding:20px;min-height:560px}.option{grid-template-columns:30px 1fr;padding:12px}.play-layout{gap:12px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media(max-width:560px){main{width:calc(100% - 20px)}}