.tl { list-style: none; margin: 0; padding: 0 0 0 4px; }
.tl__loading, .tl__err { color: var(--zk-muted); font-size: .86rem; padding: 14px 2px; }
.tl__err { color: var(--zk-danger); }

.tl__item { position: relative; padding: 0 0 20px 26px; border-left: 2px solid var(--zk-line); }
.tl__item:last-child { border-left-color: transparent; padding-bottom: 4px; }

.tl__dot {
  position: absolute; left: -7px; top: 3px; width: 12px; height: 12px;
  border-radius: 50%; background: var(--zk-white); border: 2px solid var(--zk-grey);
}
/* Machine work is blue, people are amber, the platform itself is grey — so a
   file can be read at a glance for how much of it was done by hand. */
.tl__item--ai    .tl__dot { border-color: var(--zk-blue); background: var(--zk-blue); }
.tl__item--human .tl__dot { border-color: #b5761f; background: var(--zk-white); }
.tl__item--sys   .tl__dot { border-color: var(--zk-line); background: var(--zk-line); }

.tl__body { display: flex; flex-direction: column; gap: 3px; }
.tl__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 10px; }
.tl__what { font-size: .93rem; font-weight: 500; color: var(--zk-ink); }
.tl__who {
  font-size: .68rem; letter-spacing: .04em; padding: 2px 7px; border-radius: 3px; white-space: nowrap;
}
.tl__who--ai    { background: var(--zk-tint-blue); color: var(--zk-blue-dark); }
.tl__who--human { background: #f7efe2; color: #7a5a12; }
.tl__who--sys   { background: var(--zk-tint); color: var(--zk-muted); }
.tl__stage { font-size: .78rem; color: var(--zk-blue); }
.tl__when { font-size: .72rem; color: var(--zk-grey); }

.tl__say { margin-top: 7px; padding-left: 10px; border-left: 2px solid var(--zk-line-soft); }
.tl__saylabel {
  display: block; font-size: .64rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--zk-grey); margin-bottom: 2px;
}
.tl__say p { margin: 0; font-size: .84rem; line-height: 1.55; color: var(--zk-muted); max-width: 78ch; }

.tl__figs { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 7px; }
.tl__figs span { font-size: .8rem; color: var(--zk-ink); font-variant-numeric: tabular-nums; }
.tl__figs em { font-style: normal; font-size: .68rem; color: var(--zk-grey); text-transform: capitalize; margin-right: 4px; }