@scope (.quiz-root[data-exam-id="ds22s-lesson04-perfect-2"]){:scope{--bg:#f5f0fa;--bg-warm:#ebe1f4;--card:#ffffff;--text:#2d1a4d;--text-secondary:#4f3a7d;--text-muted:#7a679a;--accent:#7c3aed;--border:rgba(45,26,77,0.08);--border-visible:rgba(45,26,77,0.14);--shadow-sm:0 1px 2px rgba(124,58,237,0.05),0 4px 12px rgba(124,58,237,0.08),inset 0 1px 0 rgba(255,255,255,0.5);--shadow:0 2px 4px rgba(124,58,237,0.06),0 8px 24px rgba(124,58,237,0.12),inset 0 1px 0 rgba(255,255,255,0.6);--shadow-lg:0 4px 8px rgba(124,58,237,0.06),0 16px 48px rgba(124,58,237,0.15),inset 0 2px 0 rgba(255,255,255,0.7);--radius:20px;--radius-sm:12px;--fs-qtext:clamp(17px,1.3vw,19px);--fs-base:clamp(15px,1.1vw,17px);--cat-basic:#8b5cf6;--cat-basic-light:#f5f3ff;--cat-comm:#d69e2e;--cat-comm-light:#fefcef;--cat-advanced:#805ad5;--cat-advanced-light:#f7f1fc;--syntax:#7c3aed;--syntax-light:#ede9fe;--pos:#5b21b6;--pos-light:#ddd6fe;--modify:#b7791f;--modify-light:#fffaf0;--classify:#6b46c1;--classify-light:#f5eefc}.home-title em{font-style:normal;background:linear-gradient(135deg,var(--syntax) 0,var(--pos) 50%,var(--modify) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--syntax),var(--pos));border-radius:100px;width:0}.toggle-btn.vocab{background:var(--modify);color:white}.toggle-btn.hint{background:var(--syntax);color:white}.toggle-btn.answer{background:var(--classify);color:white}}