.ssq{color:#172033;background:#f4f7fb;min-height:100vh;padding:24px;font-family:Arial,sans-serif}.quiz-head{grid-template-columns:1fr auto;align-items:end;gap:18px;max-width:940px;margin:auto;display:grid}.quiz-head .back{color:#174ea6;grid-column:1/-1;font-weight:700;text-decoration:none}.quiz-head span{color:#e65100;letter-spacing:.08em;text-transform:uppercase;font-size:.85rem;font-weight:800}.quiz-head h1{margin:6px 0;font-size:clamp(2rem,5vw,3.5rem)}.quiz-head p{color:#596579;margin:0;font-size:1rem}.score{color:#fff;text-align:center;background:#173d75;border-radius:16px;padding:14px 24px;box-shadow:0 8px 25px #173d7525}.score small{letter-spacing:.12em;font-size:.7rem;display:block}.score strong{font-size:1.45rem}.section-tabs{grid-template-columns:repeat(4,1fr);gap:10px;max-width:940px;margin:24px auto;display:grid}.section-tabs button{text-align:left;color:#4b576b;cursor:pointer;background:#fff;border:1px solid #dce3ee;border-radius:12px;align-items:center;gap:8px;padding:10px;display:flex}.section-tabs b{color:#173d75;background:#edf2f9;border-radius:50%;place-items:center;width:26px;height:26px;display:grid}.section-tabs .active{color:#fff;background:#173d75;border-color:#173d75}.section-tabs .active b{color:#172033;background:#ffb300}.quiz-card{background:#fff;border:1px solid #e4eaf2;border-radius:22px;max-width:940px;margin:auto;padding:clamp(20px,4vw,42px);box-shadow:0 15px 50px #20305012}.quiz-meta{color:#69758a;justify-content:space-between;align-items:center;gap:12px;font-size:.86rem;display:flex}.quiz-meta strong{color:#173d75}.progress{background:#e9eef5;border-radius:8px;height:7px;margin:18px 0 30px;overflow:hidden}.progress i{background:linear-gradient(90deg,#ff9800,#ffca28);border-radius:8px;height:100%;transition:width .3s;display:block}.quiz-card h2{margin:0 0 24px;font-size:clamp(1.25rem,3vw,1.8rem);line-height:1.35}.options{gap:12px;display:grid}.options button{text-align:left;cursor:pointer;color:#1d293c;background:#fff;border:2px solid #e0e6ee;border-radius:14px;align-items:center;gap:12px;width:100%;min-height:58px;padding:12px 50px 12px 14px;font-size:1rem;display:flex;position:relative}.options button>span{color:#173d75;background:#edf2f8;border-radius:9px;flex:none;place-items:center;width:32px;height:32px;font-weight:800;display:grid}.options button:hover:not(:disabled){background:#f8fbff;border-color:#7895bc}.options button.correct{color:#126338;background:#edfff5;border-color:#2a9d62}.options button.wrong{color:#9b2424;background:#fff1f1;border-color:#dc4c4c}.options button.dim{opacity:.58}.options button>b{font-size:1.25rem;position:absolute;right:18px}.feedback{border-radius:16px;margin-top:22px;padding:20px}.feedback.good{background:#eafaf1;border-left:5px solid #229b5a}.feedback.try{background:#fff7e8;border-left:5px solid #f09a20}.feedback h3{margin:0 0 9px}.feedback p{margin:6px 0;line-height:1.55}.feedback button,.result-card button{color:#fff;cursor:pointer;background:#173d75;border:0;border-radius:11px;margin-top:14px;padding:12px 20px;font-weight:800}.result-card{text-align:center;background:#fff;border-radius:24px;max-width:520px;margin:10vh auto;padding:48px;box-shadow:0 15px 50px #20305018}.result-icon{color:#fff;background:#2a9d62;border-radius:50%;place-items:center;width:70px;height:70px;margin:auto;font-size:2rem;display:grid}.result-card h1{margin:12px;font-size:4rem}.result-card h2{color:#e65100}.result-card a{color:#174ea6;margin-top:18px;display:block}@media (width<=700px){.ssq{padding:14px}.quiz-head{grid-template-columns:1fr}.score{padding:9px 15px;position:absolute;top:18px;right:14px}.section-tabs{grid-template-columns:1fr 1fr}.section-tabs button{font-size:.78rem}.quiz-meta{flex-wrap:wrap}.quiz-meta strong{order:3;width:100%}.quiz-card{border-radius:18px}.options button{font-size:.95rem}.result-card{padding:32px 20px}}