.q-option{display:flex;align-items:center;padding:var(--ge-space-3) var(--ge-space-4);border:2px solid var(--ge-border);border-radius:var(--ge-radius-md);cursor:pointer;transition:all 0.2s;background:var(--ge-surface)}.q-option:hover{border-color:var(--ge-primary);background:var(--ge-bg)}.q-option.selected{border-color:var(--ge-primary);background:#EBF8FF}.q-option .opt-key{display:flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;background:var(--ge-border);color:var(--ge-text-secondary);font-weight:600;margin-right:var(--ge-space-4)}.q-option.selected .opt-key{background:var(--ge-primary);color:#fff}.q-option .opt-val{flex:1}.palette-btn{width:40px;height:40px;border-radius:var(--ge-radius-sm);border:1px solid var(--ge-border);background:#fff;color:var(--ge-text-primary);font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all 0.2s}.palette-btn:hover{border-color:var(--ge-primary)}.palette-btn.current{border:2px solid #000}.palette-btn.answered{background:var(--ge-success);color:#fff;border-color:var(--ge-success)}.palette-btn.marked{background:var(--ge-secondary);color:#fff;border-color:var(--ge-secondary)}.palette-btn.answered-marked{background:var(--ge-secondary);color:#fff;border-color:var(--ge-secondary);position:relative}.palette-btn.answered-marked::after{content:'';position:absolute;bottom:2px;right:2px;width:8px;height:8px;background:var(--ge-success);border-radius:50%}.review-question{opacity:.9}.review-question.correct{border-left-color:var(--ge-success)}.review-question.wrong{border-left-color:var(--ge-danger)}.review-question.skipped{border-left-color:var(--ge-text-muted)}body.is-mock-exam{background:var(--ge-bg);overflow-x:hidden;height:100vh;display:flex;flex-direction:column}.mock-exam-header{background:var(--ge-primary);color:#fff;padding:var(--ge-space-3) var(--ge-space-6);display:flex;justify-content:space-between;align-items:center;flex-shrink:0}.mock-exam-body{display:flex;flex:1;overflow:hidden}.mock-main{flex:1;display:flex;flex-direction:column;overflow-y:auto;padding:var(--ge-space-6);background:var(--ge-surface);user-select:none}.mock-sidebar{width:300px;background:#fff;border-left:1px solid var(--ge-border);display:flex;flex-direction:column;flex-shrink:0}.mock-sidebar-header{padding:var(--ge-space-4);border-bottom:1px solid var(--ge-border)}.mock-sidebar-content{flex:1;overflow-y:auto;padding:var(--ge-space-4)}.mock-sidebar-footer{padding:var(--ge-space-4);border-top:1px solid var(--ge-border)}.section-tabs{display:flex;border-bottom:1px solid var(--ge-border);background:var(--ge-bg)}.section-tab{padding:var(--ge-space-3) var(--ge-space-6);border:none;background:none;font-weight:600;color:var(--ge-text-secondary);cursor:pointer;border-bottom:2px solid #fff0}.section-tab.active{color:var(--ge-primary);border-bottom-color:var(--ge-primary);background:#fff}.palette-legend{display:grid;grid-template-columns:1fr 1fr;gap:var(--ge-space-2);font-size:.8rem;margin-bottom:var(--ge-space-4)}.legend-item{display:flex;align-items:center;gap:var(--ge-space-2)}.legend-box{width:20px;height:20px;border-radius:4px;border:1px solid var(--ge-border)}.mock-action-bar{display:flex;justify-content:space-between;padding-top:var(--ge-space-6);margin-top:auto;border-top:1px solid var(--ge-border)}