@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@400;500;600;700;800&display=swap');
:root{color-scheme:dark;--bg:#0c1017;--panel:#141a23;--line:#29323e;--text:#f0f3f7;--muted:#a6b1c0;--lime:#d6fc78;--green:#76dfb0;--red:#ff9b9f}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.8 Vazirmatn,system-ui,-apple-system,sans-serif}button,input,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--lime);outline-offset:4px}button{touch-action:manipulation}a{color:var(--lime)}[hidden]{display:none!important}.app{max-width:1100px;margin:auto;padding:28px 40px 24px}.header{display:flex;align-items:center;justify-content:space-between;direction:ltr;padding-bottom:26px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text);font:800 20px/1.2 system-ui;letter-spacing:1px}.brand-light{font-weight:700;color:var(--lime)}.logo{display:grid;place-items:center;width:40px;height:40px;background:var(--lime);color:var(--bg);font-size:22px;letter-spacing:0;border-radius:12px}.edition{font-size:13px;color:var(--muted);border:1px solid var(--line);border-radius:20px;padding:3px 12px}.intro{display:flex;align-items:center;justify-content:space-between;margin:24px 0}.eyebrow{margin:0;color:var(--muted);font-size:12px;letter-spacing:.08em}.intro .eyebrow{letter-spacing:0;font-size:14px}h1{font-size:30px;line-height:1.5;margin:5px 0}h2{font-size:21px;line-height:1.7;margin:4px 0}h3{font-size:18px;line-height:1.8;margin:0}.xp{display:flex;gap:10px;align-items:baseline;color:var(--lime)}.xp>span{font:600 30px/1.4 Vazirmatn,system-ui}.xp small{font-size:14px;color:var(--muted)}.tabs{display:flex;gap:7px;background:#161d27;border:1px solid var(--line);padding:5px;border-radius:14px;max-width:420px;margin-bottom:28px}.tab{border:0;border-radius:10px;flex:1;background:none;color:var(--muted);padding:9px 20px;min-height:48px;font-weight:600}.tab span{margin-left:8px;font-size:21px;vertical-align:middle}.tab.active{background:var(--lime);color:#17220a}.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;gap:12px}.round{white-space:nowrap;color:var(--muted);font-size:14px}.play-grid{display:grid;grid-template-columns:minmax(0,1fr) 245px;gap:28px;align-items:start}.play-main{min-width:0}.chart-card{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:linear-gradient(155deg,#17202b,#10151e)}.chart-top{display:flex;justify-content:space-between;gap:12px;padding:17px 18px 0;align-items:center}.chart-top b{display:block;text-align:right;font:600 15px/1.5 system-ui}.chart-top span{display:block;font-size:12px;color:var(--muted)}.chart-tag{border:1px solid #445132;border-radius:6px;padding:2px 8px;white-space:nowrap;color:var(--lime)!important}#chart{display:block;width:100%;height:auto;min-height:220px;overflow:hidden}#chart text{font-family:system-ui,sans-serif;font-size:13px}.chart-bottom{display:flex;justify-content:space-between;padding:0 18px 13px;color:var(--muted);font-size:12px}.prompt{margin:18px 0 10px}.prompt p{font-size:14px;color:var(--muted);margin:5px 0}.confidence{margin:12px 0 17px}.confidence label{display:flex;justify-content:space-between;font-size:14px;color:var(--muted)}.confidence strong{color:var(--text);font-weight:500}input[type=range]{accent-color:var(--lime);width:100%;height:28px;direction:ltr;margin:5px 0 0}.direction-buttons{display:flex;gap:12px}.direction{width:50%;min-height:54px;border:1px solid;border-radius:12px;font-weight:600;display:flex;align-items:center;justify-content:center;gap:12px}.direction span{font:26px system-ui}.up{color:var(--green);background:#142a26;border-color:#335b4e}.down{color:var(--red);background:#2e1e26;border-color:#65404c}.direction:not(:disabled):hover{filter:brightness(1.18)}.skip{display:block;margin:8px auto 0;min-height:44px;border:0;background:none;color:var(--muted);font-size:14px}.note{border-top:2px solid var(--lime);padding-top:16px}.note-number{color:var(--lime);font-size:12px}.note h3{font-size:23px;font-weight:600;line-height:1.7;margin:14px 0}.note p{color:var(--muted);font-size:14px;line-height:2}.stats{border-top:1px solid var(--line);margin-top:24px;padding-top:14px}.stats>div{display:flex;justify-content:space-between;gap:12px;margin:7px 0;font-size:14px}.stats>div span{color:var(--muted)}.stats b{font-weight:500}.stats p,.source-note{font-size:12px;color:var(--muted);line-height:1.9}.source-note{border-top:1px solid var(--line);padding-top:16px;margin-top:18px}.result{margin-top:16px;background:#1d2531;border:1px solid #435265;border-radius:13px;padding:17px 19px}.result.correct{border-color:#47765d;background:#152820}.result.wrong{border-color:#75505a;background:#2b1f29}.result h3{font-size:18px}.result p{font-size:14px;line-height:2;color:#c7d0dd;margin:6px 0}.result a{font-size:13px}.result .points{color:var(--lime);font-size:13px}.primary{display:flex;justify-content:space-between;align-items:center;width:100%;background:var(--lime);color:#19220d;border:0;border-radius:12px;padding:13px 20px;min-height:52px;margin-top:12px;font-weight:700}.question-card{border:1px solid var(--line);background:var(--panel);border-radius:18px;padding:24px}.question-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--muted);font-size:13px}.question-meta span:first-child{border-radius:6px;background:#2c353e;color:var(--lime);padding:3px 10px}.question-card h3{font-size:22px;line-height:1.9;margin:23px 0 28px}.answers{display:grid;gap:12px}.answer{display:flex;align-items:center;gap:12px;text-align:right;width:100%;min-height:60px;padding:12px 14px;background:#1b232f;border:1px solid #35404e;border-radius:11px;color:var(--text);font-size:16px}.answer .letter{flex:0 0 30px;display:grid;place-items:center;width:30px;height:30px;border:1px solid #4b5666;border-radius:7px;font-size:14px;color:var(--muted)}.answer:not(:disabled):hover{border-color:var(--lime)}.answer:disabled{opacity:1}.answer.correct{border-color:var(--green);background:#18332b}.answer.wrong{border-color:var(--red);background:#392630}.answer.correct .letter{color:var(--green);border-color:var(--green)}footer{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:32px;padding-top:20px;color:var(--muted);font-size:12px;padding-bottom:env(safe-area-inset-bottom)}@media(max-width:780px){.app{padding:18px 18px 22px}.play-grid{grid-template-columns:1fr;gap:24px}.side .note{display:none}.side{display:grid;grid-template-columns:1fr;gap:0}.stats{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:0;padding-top:12px}.stats>div{flex:1;min-width:110px;gap:8px;flex-direction:column;align-items:center;font-size:13px}.stats>div b{font-size:18px}.stats p{width:100%;margin:3px 0}.source-note{margin:10px 0 0;padding-top:10px}.intro{margin:20px 0}.header{padding-bottom:19px}.tabs{max-width:none;margin-bottom:22px}h1{font-size:26px}.question-card{padding:19px}.question-card h3{font-size:20px;margin:18px 0 24px}.brand{font-size:17px}.xp>span{font-size:25px}.section-head{margin-bottom:12px}h2{font-size:19px}.prompt h3{font-size:17px}.chart-top{padding:14px 12px 0}.chart-top b{font-size:14px}.chart-tag{font-size:11px!important}.chart-top span{font-size:11px}.chart-bottom{padding:0 12px 12px;font-size:11px}.edition{font-size:12px}.section-head .eyebrow{font-size:11px}.answer{font-size:15px}.result{padding:14px}footer{margin-top:23px;gap:3px}.confidence{margin-bottom:10px}#chart{min-height:235px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}@media(max-width:350px){.app{padding:16px 12px}.brand{font-size:15px}.edition{padding:2px 8px}.chart-top{gap:5px}.chart-tag{padding:2px 4px}.round{font-size:12px}h2{font-size:17px}}

.header{flex-wrap:wrap;gap:12px}.direction{flex-wrap:wrap}.question-card h3,.answer{overflow-wrap:anywhere}