.feed-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0 0 14px;
  padding: 10px 0 0;
  border-top: 1px solid var(--line);
}

.feed-filters button {
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--dim);
  padding: 7px 10px;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
}

.feed-filters button:hover,
.feed-filters button:focus-visible {
  border-color: var(--line-bright);
  color: var(--paper);
}

.feed-filters button.is-active {
  border-color: var(--cyan-dim);
  background: rgba(0, 229, 255, .06);
  color: var(--cyan);
}

.event.is-feed-major {
  position: relative;
  background: linear-gradient(90deg, rgba(255,255,255,.026), transparent 72%);
}

.event.is-feed-major::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: currentColor;
  opacity: .55;
}

.event-sol-group {
  align-items: start;
  background: rgba(255, 255, 255, .012);
  border-top-color: rgba(255, 255, 255, .055);
  border-bottom-color: rgba(255, 255, 255, .035);
}

.event-sol-group > time,
.event-sol-group .event-label {
  color: var(--faint);
}

.sol-group-copy > strong {
  color: var(--soft);
}

.sol-group-copy > p {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .04em;
}

.sol-group-details {
  margin-top: 10px;
  border-top: 1px solid var(--line);
  padding-top: 8px;
}

.sol-group-details summary {
  width: fit-content;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
  user-select: none;
}

.sol-group-details[open] summary {
  color: var(--cyan);
}

.sol-step-list {
  display: grid;
  gap: 0;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
}

.sol-step-list li {
  display: grid;
  gap: 5px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  background: rgba(0, 0, 0, .12);
}

.sol-step-list li:last-child {
  border-bottom: 0;
}

.sol-step-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.sol-step-list strong {
  color: var(--soft);
  font-size: 11px;
  font-weight: 500;
  line-height: 1.45;
}

.sol-step-list p {
  margin: 0;
  color: var(--dim);
  font-size: 11px;
  line-height: 1.5;
}

@media (max-width: 760px) {
  .feed-filters {
    gap: 5px;
  }

  .feed-filters button {
    padding: 6px 8px;
  }

  .sol-step-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
  }
}