.mock-heading aside{color:#6f5a20;background:var(--gold-soft);border-radius:12px;margin-top:18px;padding:14px 16px;font-size:.88rem}.mock-shell{gap:20px;display:grid}.mock-toolbar{z-index:8;border:1px solid var(--line);box-shadow:var(--shadow);background:#fffffff5;border-radius:14px;grid-template-columns:auto 1fr;align-items:center;gap:16px;padding:14px 16px;display:grid;position:sticky;top:82px}.mock-toolbar div:first-child{align-items:baseline;gap:6px;display:flex}.mock-toolbar span{color:var(--muted);font-size:.75rem}.mock-progress{background:#edf1ef;border-radius:99px;height:8px;overflow:hidden}.mock-progress span{background:var(--brand);height:100%;display:block}.mock-questions{gap:14px;margin:0;padding:0;list-style:none;display:grid}.mock-question{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);padding:24px}.mock-question-head{color:var(--muted);justify-content:space-between;font-size:.76rem;font-weight:750;display:flex}.mock-question-head small{color:var(--brand-dark);background:var(--brand-soft);border-radius:99px;padding:4px 8px}.mock-question h2{margin:15px 0 18px;font-size:1.15rem}.mock-choices{gap:9px;display:grid}.mock-choices button{border:1px solid var(--line);width:100%;min-height:50px;color:var(--ink);font:inherit;text-align:left;cursor:pointer;background:#fafcfb;border-radius:12px;align-items:center;gap:11px;padding:10px 13px;display:flex}.mock-choices button>span{width:28px;height:28px;color:var(--muted);background:#edf1ef;border-radius:8px;place-items:center;font-weight:800;display:grid}.mock-choices button:hover:not(:disabled),.mock-choices button.selected{border-color:var(--brand);background:var(--brand-soft)}.mock-choices button.correct{background:#e8f7ef;border-color:#2f946c}.mock-choices button.wrong{background:#fff0f0;border-color:#cf6262}.mock-explanation{color:var(--muted);border-top:1px solid var(--line);margin:14px 0 0;padding-top:13px;font-size:.88rem}.mock-submit-panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);justify-content:space-between;align-items:center;gap:20px;padding:22px;display:flex}.mock-submit-panel strong,.mock-submit-panel span{display:block}.mock-submit-panel strong{font-size:1.25rem}.mock-submit-panel p{color:var(--muted);margin:5px 0 0}.mock-submit-panel button:disabled{opacity:.45;cursor:not-allowed;transform:none}.reference-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0;padding:0;list-style:none;display:grid}.reference-list li{border:1px solid var(--line);background:var(--panel);border-radius:14px;grid-template-columns:56px 1fr auto;align-items:center;gap:12px;padding:15px 17px;display:grid}.reference-list strong{font-family:Noto Sans SC,sans-serif;font-size:1.45rem}.reference-list span,.reference-list small{color:var(--muted)}.reference-list small{text-align:right}.grammar-reference li{grid-template-columns:1fr}.grammar-reference strong{font-family:inherit;font-size:1rem}@media (max-width:720px){.mock-toolbar{grid-template-columns:1fr;top:72px}.mock-submit-panel{flex-direction:column;align-items:stretch}.reference-list{grid-template-columns:1fr}}