@import url('https://fonts.googleapis.com/css2?family=Hind:wght@400;500;600;700;800&display=swap');
:root{--pink:#ec4899;--purple:#6d28d9;--ink:#211b35;--muted:#716b80;--line:#eee8f5;--bg:#faf7ff}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:'Hind',Arial,sans-serif}a{color:var(--purple);text-decoration:none}.top{background:#fff;border-bottom:1px solid var(--line);padding:13px max(18px,calc((100% - 1160px)/2));display:flex;justify-content:space-between;align-items:center;gap:18px;position:sticky;top:0;z-index:10}.brand{font-size:23px;font-weight:800;color:var(--purple)}.brand span{color:var(--pink)}nav{display:flex;gap:18px;flex-wrap:wrap}nav a{font-weight:600}.container{max-width:1160px;margin:32px auto;padding:0 18px}.narrow{max-width:850px}.hero{background:linear-gradient(120deg,#581c87,#a21caf 55%,#ec4899);color:#fff;border-radius:24px;padding:38px;margin-bottom:32px;box-shadow:0 16px 40px #a21caf25}.hero h1{font-size:clamp(30px,5vw,48px);line-height:1.15;margin:12px 0}.hero h1 em{font-style:normal;color:#ffe0f1}.hero p{font-size:18px;max-width:650px}.pill{display:inline-block;background:#fce7f3;color:#9d174d;padding:5px 13px;border-radius:30px;font-size:13px;font-weight:700}.hero .pill{background:#ffffff25;color:#fff}.switch{display:flex;gap:10px;margin-top:24px}.switch a{padding:10px 22px;border-radius:12px;background:#ffffff20;color:#fff;font-weight:700}.switch a.active{background:#fff;color:#86198f}.section-head{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:25px 0}.section-head h1,.section-head h2{margin:0}.section-head p{margin:4px 0;color:var(--muted)}.subject-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.subject-card,.form-card,.question-card,.result-card,.trick-card,.review-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 8px 24px #30204a08}.subject-icon{font-size:28px}.subject-card h3{margin:8px 0 0;font-size:22px}.subject-card>p{color:var(--muted);margin:2px 0 14px}.series-list{display:grid;gap:8px}.series-link{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:11px 13px;border-radius:11px;background:#f8f3ff;color:var(--ink)}.series-link.ready{background:#ecfdf5;border:1px solid #bbf7d0}.series-link.ready b{color:#047857}.series-link.locked{background:#f5f5f5;color:#777}.series-link b{font-size:14px}.series-empty{color:#888;padding:8px}.note,.alert{padding:14px 17px;background:#fff7ed;border:1px solid #fed7aa;border-radius:12px;margin-top:22px}.btn{display:inline-block;border:0;border-radius:11px;padding:11px 19px;background:linear-gradient(110deg,var(--purple),var(--pink));color:#fff;font:700 16px 'Hind';cursor:pointer}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.secondary{background:#f3e8ff;color:#6b21a8}.quiz-heading{text-align:center;margin:24px 0}.quiz-heading h1{margin:10px 0 0}.quiz-heading p{color:var(--muted)}.test-top{display:flex;justify-content:space-between;background:#fff;padding:12px 16px;border-radius:12px;margin-bottom:10px;font-weight:700}.progress{height:9px;background:#eadff5;border-radius:20px;overflow:hidden;margin:12px 0 18px}.progress div{height:100%;width:0;background:linear-gradient(90deg,var(--purple),var(--pink));transition:width .2s}.question-card h2{font-size:23px;line-height:1.45}.q-meta{display:flex;justify-content:space-between;color:var(--muted);font-weight:700}.options{display:grid;gap:10px;margin:20px 0}.option{padding:14px 16px;text-align:left;border:1px solid var(--line);background:#fff;border-radius:12px;font:500 17px 'Hind';cursor:pointer}.option:hover,.option.selected{border-color:var(--purple);background:#f5edff}.quiz-controls{display:flex;justify-content:space-between;gap:12px}.question-nav{display:grid;grid-template-columns:repeat(10,1fr);gap:6px;margin:18px 0}.q-jump{border:1px solid var(--line);background:#fff;padding:8px 2px;border-radius:8px;cursor:pointer}.q-jump.current{background:#6d28d9;color:#fff}.q-jump.answered{background:#dcfce7;border-color:#86efac}.result-card{text-align:center;margin:30px auto}.result-card h1{font-size:32px}.result-number{font-size:64px;font-weight:800;color:var(--purple);line-height:1.2;margin:12px}.result-percent{font-size:25px;font-weight:700;color:#059669}.stats{display:flex;justify-content:center;gap:16px;margin:20px 0}.stats div{min-width:90px;background:#f8f3ff;padding:12px;border-radius:12px}.stats b,.stats span{display:block}.stats b{font-size:25px}.stats span{color:var(--muted)}.actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.review-title{margin-top:32px}.review-card{margin:12px 0}.review-card h3{margin-top:0}.review-option{padding:8px 10px;margin:5px 0;border-radius:8px;background:#f8f7fa}.review-option.correct{background:#dcfce7;color:#166534}.review-option.wrong{background:#fee2e2;color:#991b1b}.explanation-text{background:#fff7ed;padding:10px;border-radius:8px}.form-card{margin:18px 0}.form-card h2{margin-top:0}form label{display:block;font-weight:600;margin:12px 0}input,select,textarea{display:block;width:100%;padding:11px;border:1px solid #ddd3e9;border-radius:9px;margin-top:5px;font:16px 'Hind';background:#fff}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}textarea{min-height:85px}.table-wrap{overflow-x:auto;background:#fff;border-radius:14px}table{width:100%;border-collapse:collapse}th,td{padding:12px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}.trick-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.trick-card h2{margin:10px 0}.example{padding:10px;background:#f5f3ff;border-radius:8px}.empty{text-align:center;background:#fff;padding:35px;border-radius:18px}.empty h2{margin-top:0}footer{text-align:center;padding:30px;color:var(--muted)}@media(max-width:700px){.top{align-items:flex-start;flex-direction:column}.subject-grid,.trick-grid,.form-grid{grid-template-columns:1fr}.hero{padding:25px}.section-head{align-items:flex-start;flex-direction:column}.series-link{align-items:flex-start;flex-direction:column}.question-nav{grid-template-columns:repeat(8,1fr)}.test-top{font-size:13px}.stats{gap:6px}.stats div{min-width:0;flex:1}.question-card{padding:16px}}