body{background:#f4f7fb;font-family:"Noto Sans Telugu","Nirmala UI",system-ui,sans-serif;color:#172033}.quiz-nav{background:linear-gradient(135deg,#5b21b6,#7c3aed);box-shadow:0 4px 20px #0002}.hero{background:linear-gradient(135deg,#5b21b6,#ec4899);color:#fff;border-radius:28px;padding:36px 24px;box-shadow:0 18px 40px #5b21b633}.card-soft{border:0;border-radius:24px;box-shadow:0 12px 30px #1e293b14}.stat{border-radius:18px;background:#fff;padding:18px;box-shadow:0 8px 24px #0000000c}.start-btn{border:0;border-radius:16px;padding:14px 24px;font-weight:800;background:#111827;color:#fff}.option-btn{width:100%;text-align:left;border:2px solid #e5e7eb;background:#fff;border-radius:16px;padding:16px 18px;margin-bottom:12px;font-size:1.05rem}.option-btn:hover,.option-btn.selected{border-color:#7c3aed;background:#f5f3ff}.progress{height:10px}.timer{font-variant-numeric:tabular-nums;font-weight:800}.result-score{font-size:4rem;font-weight:900}.footer{background:#111827;color:#fff;padding:30px}@media(max-width:576px){.hero{padding:28px 18px}.result-score{font-size:3rem}}