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h3{margin-bottom:1.5rem;font-size:1.3rem}.quiz-options{flex-direction:column;gap:1rem;margin-bottom:2rem;display:flex}.quiz-option{background:var(--bg-secondary);border:2px solid var(--border);color:var(--text-primary);cursor:pointer;text-align:left;border-radius:8px;padding:1rem;transition:all .2s}.quiz-option:hover:not(.disabled){border-color:var(--accent);background:var(--bg-tertiary)}.quiz-option.correct{color:#22c55e;background:#22c55e1a;border-color:#22c55e}.quiz-option.wrong{color:#ef4444;background:#ef44441a;border-color:#ef4444}.quiz-option.disabled{cursor:not-allowed;opacity:.7}.quiz-score{background:var(--bg-secondary);text-align:center;color:var(--accent-secondary);border-radius:8px;margin-bottom:1.5rem;padding:1rem;font-weight:600}.quiz-actions{flex-direction:column;gap:1rem;display:flex}.quiz-result{text-align:center;background:var(--bg-secondary);border-radius:8px;padding:2rem}.quiz-result h2{color:var(--accent);margin-bottom:.5rem;font-size:2.5rem}.btn-primary{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:.75rem 1.5rem;font-weight:600;transition:all .2s}.btn-primary:hover{background:var(--accent-secondary)}.analytics-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:2rem;display:grid}.stat-card{background:var(--bg-tertiary);border:1px solid var(--border);text-align:center;border-radius:12px;padding:1.5rem}.stat-value{color:var(--accent);margin-bottom:.5rem;font-size:2rem;font-weight:700}.stat-label{color:var(--text-secondary);font-size:.9rem}.analytics-section{margin-bottom:2rem}.stats-table{border-collapse:collapse;width:100%;margin-top:1rem}.stats-table thead{background:var(--bg-tertiary)}.stats-table th{text-align:left;color:var(--text-secondary);border-bottom:2px solid var(--border);padding:.75rem;font-weight:600}.stats-table td{border-bottom:1px solid var(--border);padding:.75rem}.bar-cell{align-items:center;gap:.5rem;display:flex}.bar{background:linear-gradient(90deg, var(--accent), var(--accent-secondary));border-radius:3px;flex:1;height:20px}.bar-cell span{color:var(--accent-secondary);text-align:right;min-width:40px;font-weight:600}.media-breakdown{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin-top:1rem;display:grid}.breakdown-item{background:var(--bg-tertiary);border:1px solid var(--border);text-align:center;border-radius:8px;padding:1rem}.breakdown-label{color:var(--text-secondary);margin-bottom:.5rem;font-size:.9rem}.breakdown-value{color:var(--accent);font-size:1.8rem;font-weight:700}.breakdown-pct{color:var(--accent-secondary);margin-top:.3rem;font-size:.85rem}.timeline-container{padding-left:2rem;position:relative}.timeline-container:before{content:"";background:var(--border);width:2px;position:absolute;top:0;bottom:0;left:8px}.timeline-item{border-bottom:1px solid var(--border);margin-bottom:2rem;padding-bottom:2rem;position:relative}.timeline-item:last-child{border-bottom:none}.timeline-item:before{content:"";background:var(--accent);border:3px solid var(--bg-primary);border-radius:50%;width:16px;height:16px;position:absolute;top:4px;left:-20px}.timeline-year{color:var(--accent);margin-bottom:.5rem;font-size:1.2rem;font-weight:700}.timeline-content{background:var(--bg-tertiary);border-radius:8px;padding:1rem}.timeline-count{color:var(--text-secondary);margin-bottom:.75rem;font-size:.85rem}.timeline-messages{margin-bottom:1rem}.timeline-message{color:var(--text-primary);padding:.5rem 0;font-size:.9rem}.timeline-message strong{color:var(--accent-secondary)}.timeline-message span{color:var(--text-secondary);margin-left:.5rem}.timeline-bar{background:var(--bg-secondary);border-radius:2px;height:4px;overflow:hidden}.timeline-bar-fill{background:linear-gradient(90deg, var(--accent), var(--accent-secondary));height:100%}.messages-list{flex-direction:column;gap:1rem;margin-top:1.5rem;display:flex}.message-item{background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;padding:1.2rem;transition:border-color .2s}.message-item:hover{border-color:var(--accent)}.message-header{justify-content:space-between;align-items:center;margin-bottom:.6rem;display:flex}.message-header strong{color:var(--accent-secondary);font-size:.95rem}.message-header small{color:var(--text-secondary);font-size:.8rem}.message-body{color:var(--text-primary);white-space:pre-wrap;word-break:break-word;font-size:.95rem;line-height:1.5}.message-meta{margin-top:.6rem}.message-meta .badge{background:var(--bg-tertiary);color:var(--text-secondary);border-radius:4px;padding:.2rem .6rem;font-size:.75rem;display:inline-block}@media (width<=768px){.comparison-container{grid-template-columns:1fr}.comparison-controls{flex-direction:column}.analytics-grid{grid-template-columns:1fr 1fr}.content{padding:1rem}}