.sigma-tests{--ink:#182b42;--muted:#627185;--blue:#146c90;--deep:#123b53;--line:#dbe5ec;--pale:#eef7fa;font-family:system-ui,-apple-system,'Noto Sans Devanagari',sans-serif;color:var(--ink);max-width:1120px;margin:20px auto 60px;line-height:1.6}.sigma-tests *{box-sizing:border-box}.sigma-hero{background:linear-gradient(120deg,#123b53,#197b9b);color:white;border-radius:22px;padding:42px 46px;margin-bottom:24px}.sigma-hero h2{font-size:clamp(27px,4vw,42px);line-height:1.2;margin:10px 0}.sigma-hero p{max-width:620px;margin:0;color:#d9ecf2}.sigma-kicker{font-size:12px;letter-spacing:.14em;font-weight:800;color:#a6e6df}.sigma-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}.sigma-card,.sigma-side,.sigma-question,.sigma-results>section{border:1px solid var(--line);border-radius:18px;background:#fff;padding:25px;box-shadow:0 8px 32px rgba(18,59,83,.055)}.sigma-card h3{margin:18px 0 6px;font-size:22px}.sigma-card p,.sigma-muted,.sigma-footnote,.sigma-side small{color:var(--muted)}.sigma-chip{display:inline-block;border-radius:100px;background:#e8f6f7;padding:5px 12px;font-size:12px;font-weight:700;color:var(--deep)}.sigma-btn{border:0;background:var(--blue);color:white!important;border-radius:10px;padding:12px 18px;font:inherit;font-weight:700;cursor:pointer;text-decoration:none;line-height:1.3}.sigma-btn:hover{background:var(--deep)}.sigma-btn:disabled{opacity:.5;cursor:not-allowed}.sigma-secondary{background:#eaf3f6;color:var(--deep)!important}.sigma-secondary:hover{background:#d8e9ee}.sigma-card .sigma-btn{margin-top:14px}.sigma-footnote{font-size:13px;margin-top:22px}.sigma-loading,.sigma-empty,.sigma-error{border:1px solid var(--line);border-radius:16px;padding:32px}.sigma-error{color:#922f33}.sigma-testhead{display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap;padding:10px 0 19px}.sigma-testhead span{font-weight:750}.sigma-testhead strong{color:var(--deep);font-variant-numeric:tabular-nums}.sigma-testhead .sigma-low{color:#b83232}.sigma-link{background:none;border:0;color:var(--blue);font:inherit;cursor:pointer;padding:0}.sigma-progress,.sigma-track{background:#e8eff2;border-radius:10px;height:8px;overflow:hidden}.sigma-progress span,.sigma-track span{display:block;height:100%;background:#19a79c;transition:width .2s}.sigma-main{display:grid;grid-template-columns:minmax(0,1fr) 265px;gap:20px;margin-top:20px}.sigma-question h2{font-size:clamp(21px,2.6vw,29px);line-height:1.42;margin:12px 0 25px}.sigma-muted{font-size:12px;font-weight:750;letter-spacing:.06em;text-transform:uppercase}.sigma-options{display:grid;gap:10px}.sigma-option{width:100%;text-align:left;display:flex;align-items:center;gap:15px;border:1.5px solid var(--line);border-radius:12px;padding:15px;background:#fff;color:var(--ink);font:inherit;cursor:pointer}.sigma-option:hover,.sigma-option.selected{border-color:var(--blue);background:var(--pale)}.sigma-option b{display:grid;place-items:center;flex:0 0 30px;height:30px;border-radius:50%;background:#eaf2f5;font-size:13px}.sigma-option.selected b{background:var(--blue);color:white}.sigma-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:27px}.sigma-side h3{font-size:20px;margin:5px 0 17px}.sigma-palette{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;margin-bottom:22px}.sigma-palette button{border:1px solid var(--line);border-radius:8px;background:#f6f8fa;color:var(--ink);font:inherit;cursor:pointer;height:37px}.sigma-palette button.done{background:#d9f2eb;border-color:#63bea7}.sigma-palette button.flagged{box-shadow:inset 0 -3px #edaa4d}.sigma-palette button.active{outline:2px solid var(--blue);outline-offset:1px}.sigma-submit{width:100%}.sigma-side small{display:block;margin-top:10px}.sigma-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;margin:20px 0}.sigma-stats>div{background:var(--pale);padding:17px;border-radius:13px}.sigma-stats strong{display:block;font-size:25px;color:var(--deep)}.sigma-stats span{font-size:12px;color:var(--muted)}.sigma-results{display:grid;grid-template-columns:1fr 1.35fr;gap:20px}.sigma-results h3{margin-top:0}.sigma-topic{margin:17px 0}.sigma-topic>div:first-child{display:flex;justify-content:space-between;gap:10px;font-size:14px;margin-bottom:5px}.sigma-review{border-top:1px solid var(--line);padding:12px 0;font-size:14px}.sigma-review summary{cursor:pointer;font-weight:650}.sigma-review p{margin:8px 0 0;padding-left:20px}.sigma-good{color:#16846a}.sigma-bad{color:#bd6354}.sigma-end{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap}@media(max-width:750px){.sigma-hero{padding:30px 25px}.sigma-main,.sigma-results{grid-template-columns:1fr}.sigma-side{order:-1}.sigma-stats{grid-template-columns:repeat(2,1fr)}.sigma-question,.sigma-side,.sigma-results>section{padding:19px}}@media(max-width:400px){.sigma-stats{grid-template-columns:1fr 1fr}.sigma-stats strong{font-size:20px}.sigma-actions .sigma-btn{flex:1 1 auto}}