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.45rem;border-radius:var(--radius-sm)}.guide-card-footer{display:flex;align-items:center;justify-content:flex-end;padding-top:.75rem;border-top:1px solid var(--divider)}.guide-read-link{font-size:.9rem;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:.35rem;text-decoration:none!important;transition:transform var(--transition-fast)}.guide-read-link:hover{transform:translateX(3px);color:var(--primary-hover)}.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:.5rem;font-size:.875rem;color:var(--text-secondary);margin-bottom:1.5rem}.breadcrumb a{color:var(--text-secondary);text-decoration:none}.breadcrumb a:hover{color:var(--primary);text-decoration:underline}.breadcrumb-separator{color:var(--text-disabled)}.breadcrumb-current{color:var(--text-primary);font-weight:500;max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.guide-header{text-align:center;margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:1px solid var(--divider)}.help-callout{background-color:var(--bg-paper);border:1px solid var(--card-border);border-radius:var(--radius-lg);padding:1.5rem;margin:2.5rem 0;display:flex;align-items:center;gap:1.25rem;box-shadow:var(--shadow-sm);flex-wrap:wrap}.help-callout-icon{flex-shrink:0}.help-callout-text{flex:1 1 280px}.help-callout-text h3{margin:0 0 .25rem;font-size:1.1rem;font-weight:700;color:var(--text-primary)}.help-callout-text p{margin:0;font-size:.9rem;color:var(--text-secondary)}.help-callout-action{flex-shrink:0}.timeline-wrapper{--timeline-axis:1rem;--timeline-gutter:2.5rem;position:relative;padding-left:var(--timeline-gutter);margin:2rem 0}.timeline-line{position:absolute;top:2.5rem;bottom:2rem;left:var(--timeline-axis);width:2px;transform:translateX(-50%);background:linear-gradient(to bottom,var(--divider) 0%,var(--divider) 85%,transparent 100%)}.timeline-item{position:relative;margin-bottom:2.5rem}.timeline-item:last-child{margin-bottom:0}.timeline-marker{position:absolute;left:calc(var(--timeline-axis) - var(--timeline-gutter));top:2.5rem;transform:translate(-50%,-50%);width:14px;height:14px;border-radius:50%;background-color:var(--primary);border:3px solid var(--bg-default);box-shadow:0 0 0 2px var(--primary);z-index:2;transition:transform var(--transition-fast),box-shadow var(--transition-fast)}.timeline-item:hover .timeline-marker{transform:translate(-50%,-50%)scale(1.15);box-shadow:0 0 0 3px var(--primary)}@media(max-width:600px){.timeline-wrapper{--timeline-axis:0.75rem;--timeline-gutter:2rem}}.changelog-card{background-color:var(--bg-paper);border:1px solid var(--card-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:1.75rem;transition:box-shadow var(--transition-fast),border-color var(--transition-fast)}.changelog-card:hover{box-shadow:var(--shadow-hover);border-color:var(--primary)}.changelog-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:.75rem;flex-wrap:wrap;gap:.5rem}.version-badge{font-family:var(--font-mono);font-size:.95rem;font-weight:700;background-color:var(--primary);color:var(--primary-contrast);padding:.2rem .65rem;border-radius:var(--radius-sm);display:inline-block;letter-spacing:.5px}.changelog-date{font-size:.9rem;color:var(--text-secondary)}.changelog-tags{display:flex;align-items:center;gap:.35rem;flex-wrap:wrap}.badge-type{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.4px;padding:.15rem .5rem;border-radius:var(--radius-sm)}.badge-features{background-color:rgba(76,175,80,.12);color:#2e7d32;border:1px solid rgba(76,175,80,.25)}.badge-improvements{background-color:rgba(25,118,210,.12);color:#1976d2;border:1px solid rgba(25,118,210,.25)}.badge-fixes{background-color:rgba(255,152,0,.12);color:#e65100;border:1px solid rgba(255,152,0,.25)}.badge-performance{background-color:rgba(156,39,176,.12);color:#7b1fa2;border:1px solid rgba(156,39,176,.25)}[data-theme=dark] .badge-features{background-color:rgba(129,199,132,.2);color:#a5d6a7;border-color:rgba(129,199,132,.4)}[data-theme=dark] .badge-improvements{background-color:rgba(144,202,249,.2);color:#90caf9;border-color:rgba(144,202,249,.4)}[data-theme=dark] .badge-fixes{background-color:rgba(255,183,77,.2);color:#ffb74d;border-color:rgba(255,183,77,.4)}[data-theme=dark] .badge-performance{background-color:rgba(206,147,216,.2);color:#ce93d8;border-color:rgba(206,147,216,.4)}.changelog-title{font-size:1.4rem;font-weight:700;margin:.5rem 0 1rem;color:var(--text-primary)}.changelog-title a{color:inherit;text-decoration:none}.changelog-title a:hover{color:var(--primary)}.changelog-content{font-size:.975rem;line-height:1.65}.changelog-content h2{font-size:1.15rem;font-weight:700;margin:1.25rem 0 .5rem;border-bottom:none;padding-bottom:0;color:var(--text-primary)}.changelog-content ul{padding-left:1.25rem;margin:.5rem 0 1rem}.changelog-content li{margin:.35rem 0}.changelog-card-footer{display:flex;align-items:center;justify-content:flex-end;padding-top:1rem;margin-top:1rem;border-top:1px solid var(--divider)}.changelog-permalink-btn{font-size:.85rem;font-weight:600;color:var(--text-secondary);display:inline-flex;align-items:center;gap:.3rem;text-decoration:none!important;transition:color var(--transition-fast)}.changelog-permalink-btn:hover{color:var(--primary)}