/* ------------------------------------------------------------------ */
/*  Roadmap Timeline Page Styles                                      */
/* ------------------------------------------------------------------ */

.md-typeset .roadmap-header {
  margin-bottom: 3rem;
  margin-top: 2rem;
}

.md-typeset .roadmap-header h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  border: none;
}

.md-typeset .roadmap-header p {
  color: var(--md-default-fg-color--light);
  font-size: 1.1rem;
}

.timeline {
  display: grid;
  grid-template-columns: 80px 24px 1fr;
  gap: 0 16px;
  position: relative;
  max-width: 100%;
}

@media screen and (min-width: 768px) {
  .timeline {
    grid-template-columns: 120px 24px 1fr;
    gap: 0 24px;
    max-width: 900px;
  }
}

/* The vertical line */
.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: calc(80px + 16px + 11px);
  width: 2px;
  background-color: var(--md-default-fg-color--lightest);
  z-index: 1;
}

@media screen and (min-width: 768px) {
  .timeline::before {
    left: calc(120px + 24px + 11px);
  }
}

.timeline-item {
  display: contents; /* Allows children to participate in the grid layout */
}

.timeline-date {
  text-align: right;
  padding-top: 20px;
  font-style: italic;
  font-size: 0.85rem;
  color: var(--md-default-fg-color--light);
}

@media screen and (min-width: 768px) {
  .timeline-date {
    font-size: 0.95rem;
  }
}

.timeline-marker {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--md-default-fg-color--light);
  background-color: var(--md-default-bg-color); /* Matches page background */
  margin-top: 22px; /* aligns vertically with first line of content */
  position: relative;
  z-index: 2;
  justify-self: center;
}

.timeline-item.completed .timeline-marker {
  background-color: var(--md-primary-fg-color); /* Fill it in */
  border-color: var(--md-primary-fg-color);
}

/* The checkmark inside the completed bubble */
.timeline-item.completed .timeline-marker::after {
  content: "";
  position: absolute;
  left: 3px;
  top: 2px;
  width: 4px;
  height: 7px;
  border: solid var(--md-default-bg-color);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.timeline-content {
  padding-bottom: 1.25rem;
  min-width: 0; /* Prevents flex/grid children from overflowing implicitly */
}

.timeline-card {
  background-color: var(--md-code-bg-color);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 8px;
  padding: 16px 20px;
  box-shadow: var(--md-shadow-z1);
  word-wrap: break-word; /* Ensure text wraps */
  overflow: hidden; /* Prevent spillover */
}

.md-typeset .timeline-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
  flex-wrap: wrap; /* allow wrapping on super thin screens */
  gap: 0.5rem;
}

.md-typeset .timeline-card-header h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 500;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: var(--md-default-fg-color);
  word-break: break-word;
}

@media screen and (min-width: 768px) {
  .md-typeset .timeline-card-header h3 {
    font-size: 1.1rem;
  }
}

.timeline-card-header h3 .twemoji {
  color: var(--md-default-fg-color--light);
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0; /* Don't squash icons */
  margin-top: 0.1rem;
}

.timeline-version {
  color: var(--md-primary-fg-color);
  font-family: var(--md-code-font-family);
  font-size: 0.85em;
  text-decoration: underline;
  text-decoration-color: var(--md-primary-fg-color);
  white-space: nowrap;
}

.md-typeset .timeline-card p {
  margin: 0;
  color: var(--md-default-fg-color--light);
  font-style: italic;
  font-size: 0.9rem;
  line-height: 1.5;
}

@media screen and (min-width: 768px) {
  .md-typeset .timeline-card p {
    font-size: 0.95rem;
  }
}