.oqps-shell{margin:0 auto;padding:0 26px 28px;background:linear-gradient(90deg,#f3f7f3 0,#f3f7f3 11%,#fff 11%,#fff 89%,#f3f7f3 89%,#f3f7f3 100%)}
.oqps-quiz{max-width:920px;margin:0 auto;padding:0 0 18px;color:#1f2933;font-family:Arial,Roboto,sans-serif;font-size:16px;line-height:1.45}
.oqps-quiz *,.oqps-quiz *:before,.oqps-quiz *:after{box-sizing:border-box}
.oqps-tabs{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:4px 0 14px;border-bottom:2px solid #d4d4d4}
.oqps-tab{min-height:56px;display:flex;align-items:center;justify-content:center;border:2px solid #d4d4d4;border-radius:7px;background:#fff;color:#777;font-size:18px;font-weight:800;text-align:center}
.oqps-tab.is-active{border-color:#27ae60;background:#27ae60;color:#fff}
.oqps-title,.oqps-current-line strong{margin:24px 0 16px;color:#20ad55;font-size:30px;line-height:1.2;font-weight:800}
.oqps-guide{margin:24px 0;padding:26px 34px;border:1px solid #d1d5db;border-radius:7px;background:#fff}
.oqps-guide-title{display:flex;justify-content:space-between;margin-bottom:14px;font-size:20px;font-weight:800}
.oqps-guide-title:after{content:"▾";color:#444}
.oqps-guide ul{margin:0;padding-left:20px}
.oqps-toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:end;margin:20px 0}
.oqps-field{display:grid;gap:6px;min-width:160px;padding:10px 14px;border:1px solid #cbd5d1;border-radius:6px;background:#fff;font-weight:700}
.oqps-field span{color:#64748b;font-size:13px}
.oqps-button{min-height:42px;padding:9px 18px;border:0;border-radius:6px;background:#fff;color:#1f2933;font-weight:800;cursor:pointer}
.oqps-button:hover{filter:brightness(.96)}
.oqps-start-button{min-height:54px;background:#27ae60;color:#fff;font-size:18px;text-transform:uppercase}
.oqps-current-line{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:18px 0 14px;padding-bottom:14px;border-bottom:2px solid #26b563}
.oqps-current-line strong{margin:0}
.oqps-current-line span{font-size:18px;font-weight:800}
.oqps-current-line b{color:#df2525;font-size:26px}
.oqps-exam-strip{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;margin:14px 0 20px;padding:16px;border:1px solid #c9dfd2;border-radius:10px;background:#eef9f2;box-shadow:0 1px 5px rgba(0,0,0,.12)}
.oqps-question-grid{display:flex;flex-wrap:wrap;gap:10px}
.oqps-status-button{width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;border:2px solid #24b75c;border-radius:50%;background:#fff;color:#111827;font-size:18px;font-weight:800;cursor:pointer}
.oqps-status-button.is-active{border-color:#f2b500;background:#fff7d6}
.oqps-status-button.is-done{background:#25b15b;color:#fff}
.oqps-submit{min-width:150px;min-height:52px;background:#ff7a1a;color:#fff;font-size:22px;letter-spacing:1px;text-transform:uppercase}
.oqps-question{background:#fff;border:1px solid #d7dee8;border-radius:8px;padding:22px;box-shadow:0 1px 7px rgba(0,0,0,.12)}
.oqps-question-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;color:#20ad55;font-weight:800}
.oqps-question-head strong{font-size:22px}
.oqps-question-head em{font-style:normal;background:#fff1f2;color:#be123c;border-radius:999px;padding:4px 9px;font-size:12px}
.oqps-question h3{margin:0 0 16px;font-size:24px;line-height:1.35;color:#111827}
.oqps-image{display:block;max-width:100%;height:auto;margin:0 auto 16px;border:1px solid #d7dee8;border-radius:8px}
.oqps-answers{display:grid;gap:10px}
.oqps-answer{display:flex;gap:12px;align-items:flex-start;border:1px solid #d6d6d6;border-radius:7px;background:#fff;padding:12px;cursor:pointer;font-weight:700}
.oqps-answer:hover{border-color:#27ae60;background:#f7fff9}
.oqps-answer b{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:#f1f1f1;flex:0 0 auto}
.oqps-answer.is-correct{border-color:#25b15b;background:#ecfdf3}
.oqps-answer.is-wrong{border-color:#dc2626;background:#fef2f2}
.oqps-feedback{margin-top:14px;padding:12px;border-radius:8px;font-weight:800}
.oqps-feedback.is-correct{background:#ecfdf3;color:#047857}
.oqps-feedback.is-wrong{background:#fef2f2;color:#b91c1c}
.oqps-nav,.oqps-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:center;margin-top:14px}
.oqps-nav-button{background:#858585;color:#fff}
.oqps-danger{border:1px solid #ff7a1a;background:#fff;color:#9a3412}
.oqps-result{margin-top:18px}
.oqps-result-summary{display:flex;gap:16px;align-items:center;margin:18px 0;padding:14px;border:1px solid #d7dee8;border-radius:8px;background:#f8fafc;font-size:20px}
.oqps-critical-warning{margin:10px 0;padding:14px;border:1px solid #fecdd3;border-radius:8px;background:#fff1f2;color:#be123c;font-weight:800}
.oqps-table-wrap{width:100%;overflow-x:auto}
.oqps-result-table{width:100%;min-width:720px;border-collapse:collapse;background:#fff}
.oqps-result-table th,.oqps-result-table td{padding:10px;border:1px solid #d7dee8;text-align:left;vertical-align:top}
.oqps-result-table th{background:#eef2f7}
.oqps-result-table .is-correct td{background:#ecfdf3}
.oqps-result-table .is-wrong td{background:#fef2f2}
.oqps-result-table .is-empty td{background:#f8fafc}
[hidden]{display:none!important}
@media(max-width:782px){.oqps-shell{padding:0 10px 20px;background:#fff}.oqps-tabs,.oqps-exam-strip{grid-template-columns:1fr}.oqps-title,.oqps-current-line strong{font-size:24px}.oqps-current-line{align-items:flex-start;flex-direction:column}.oqps-button,.oqps-submit{width:100%}.oqps-status-button{width:38px;height:38px}.oqps-guide{padding:18px}.oqps-result-summary{align-items:flex-start;flex-direction:column}}