:root{--timeline-marker-bg:var(--fg);--checkpoint-bg:color-mix(in srgb, var(--fg) 5%, transparent)}.checkpoint-card{background:var(--checkpoint-bg);border:1px solid var(--border);border-radius:0;margin-bottom:2rem;padding:1.25rem;transition:border-color .2s;position:relative}.checkpoint-card:hover{border-color:var(--border)}.checkpoint-card:last-child{margin-bottom:0}.checkpoint-card__header{justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:.75rem;display:flex}.checkpoint-number{background:var(--timeline-marker-bg);width:2rem;height:2rem;color:var(--bg);border:1px solid var(--border);z-index:1;border-radius:50%;justify-content:center;align-items:center;font-size:.875rem;font-weight:700;transition:border-color .2s;display:flex;position:absolute;top:1.25rem;left:-3.25rem}.checkpoint-card:hover .checkpoint-number{border-color:var(--fg)}.qr-section-grid{gap:var(--space-6);grid-template-columns:1fr 2fr;align-items:start;display:grid}@media (width<=768px){.qr-section-grid{grid-template-columns:1fr}}.empty-state{text-align:center;color:var(--text-muted);padding:4rem 2rem}@media (width<=768px){.checkpoint-number{width:1.75rem;height:1.75rem;font-size:.75rem;left:-2.75rem}.checkpoint-card{padding:1rem}}@media print{.chain-modal{display:none!important}.chain-card{page-break-inside:avoid;box-shadow:none;border:1px solid #000}.checkpoint-card{page-break-inside:avoid}}.dashboard-section .dashboard-filter-row{margin-bottom:var(--space-6)}.chains-search__label{color:var(--text-secondary);font-size:var(--font-size-sm)}.chains-search__input{min-width:220px}.chains-filters{gap:var(--space-2);flex-wrap:wrap;display:flex}.chains-filter{justify-content:center;min-width:44px;min-height:44px}.chains-filter[aria-pressed=true]{background:var(--fg);color:var(--bg);border-color:var(--fg)}@media (width<=640px){.chains-search__input{width:100%;min-width:0}.chains-filters{scrollbar-width:none;flex-wrap:nowrap;max-width:100%;overflow-x:auto}.chains-filters .chains-filter{flex:none}}.dashboard-header.dashboard-header--chains{margin-bottom:var(--space-4);border-bottom:0;flex-direction:row;justify-content:space-between;align-items:center;padding-bottom:0}.dashboard-section .dashboard-section__header:has(.sr-only:only-child){margin:0}.dashboard-filter-row,#dashboard-chains-section{min-width:0;max-width:100%}#pending-submissions-panel{scroll-margin-top:calc(32px + 2 * .5rem + 2px + 2 * var(--space-4) + 1px + var(--space-2))}@media (width<=640px){#pending-submissions-panel{scroll-margin-top:calc(32px + 2 * .4rem + 2px + 2 * var(--space-4) + 1px + var(--space-2))}}.card.chain-row{align-items:flex-start;gap:var(--space-3);padding:var(--space-3) var(--space-4);height:auto;display:flex;position:relative}.chain-row__main{flex:1;min-width:0}.chain-row__name{font-size:var(--font-size-base);overflow-wrap:anywhere;margin:0;line-height:1.3}.chain-row__link{color:inherit;text-decoration:none}.chain-row__link:after{content:"";position:absolute;inset:0}.chain-row__link:focus-visible{outline:none}.chain-row:focus-within{outline:2px solid var(--fg);outline-offset:2px}.chain-row__facts{margin:var(--space-1) 0 0;font-size:var(--font-size-xs);color:var(--text-secondary);line-height:1.4}.chain-row__chip{flex-shrink:0}