/* ARC ONE device history timeline (2026-10-15) */
.rf-timeline{margin:0 0 16px;padding:14px 16px;border:1px solid var(--line);border-radius:6px;background:var(--panel)}
.rf-tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin-bottom:10px}
.rf-tl-head h3{margin:0;font-size:14px;letter-spacing:.04em;color:var(--brand);flex:1 1 220px}
.rf-tl-gap{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}
.rf-tl-gap select{min-height:34px;font-size:13px}
.rf-tl-facts{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px 18px;margin-bottom:10px}
.rf-tl-fact span{display:block;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.rf-tl-fact strong{display:block;font-size:13px;font-weight:600;line-height:1.4;overflow-wrap:anywhere}
.rf-tl-fact small{display:block;font-size:12px;color:var(--muted)}
.rf-tl-link{min-height:30px;margin:4px 6px 0 0;padding:2px 10px;font-size:12px}
.rf-tl-chart{width:100%;height:auto;max-height:120px;margin:4px 0 8px}
.rf-tl-chart .grid{stroke:#1f3746;stroke-width:1}
.rf-tl-chart text{fill:#8fb0c2;font-size:10px;font-family:ui-monospace,Menlo,Consolas,monospace}
.rf-tl-chart .span{fill:#48fcfd;opacity:.75}
.rf-tl-chart .gap{stroke:#8fb0c2;stroke-width:1.5;stroke-dasharray:3 4}
.rf-tl-chart .trace{fill:none;stroke:#82e0ea;stroke-width:1.5}
.rf-tl-chart .dot{fill:#82e0ea;stroke:#e9ffff;stroke-width:1}
.rf-tl-notes{margin:0 0 8px;padding-left:18px;font-size:12px;color:var(--muted);line-height:1.5}
.rf-tl-section{margin-top:8px;border-top:1px solid #1f3746;padding-top:6px}
.rf-tl-section>summary{cursor:pointer;font-size:13px;padding:6px 0}
.rf-tl-spans{margin:6px 0 0;padding-left:0;list-style:none}
.rf-tl-span{padding:8px 0;border-bottom:1px solid #12222c}
.rf-tl-span strong{display:block;font-size:13px}
.rf-tl-meta{display:block;font-size:12px;color:var(--muted);margin:2px 0}
.rf-tl-gapline{padding:6px 0 6px 12px;border-left:2px dashed #3a5566;font-size:12px;color:var(--muted)}
.rf-tl-gapline>span{display:block}
.rf-tl-receipts{margin:6px 0 0;padding-left:0;list-style:none;font-size:12px}
.rf-tl-receipts li{display:flex;align-items:center;gap:8px;padding:2px 0}
.rf-tl-other{margin-top:10px}
.rf-tl-note,.rf-tl-status{font-size:12px;color:var(--muted);margin:4px 0}
@media(max-width:680px){.rf-timeline{padding:12px}.rf-tl-facts{grid-template-columns:1fr 1fr}}