.timeline {
  border-left: 3px solid #1565c0;
  padding-left: 1.5rem;
  margin-left: 1rem;
}

.timeline-item {
  position: relative;
  margin-bottom: 1.5rem;
  background-color: #f5f5f0;   /* warm off-white box */
  border: 1px solid #e0ddd5;   /* subtle warm border */
  border-radius: 0.375rem;     /* rounded corners */
  padding: 0rem 1.25rem;       /* inner spacing */
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -2.05rem;
  top: 2rem;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background-color: #1565c0;
}


.publication-entry {
  border-left: 4px solid #1565c0;   /* blue accent on the left */
  background-color: #f5f5f0;        /* same warm off-white as experience cards */
  padding: 0.75rem 1rem;            /* inner spacing */
  margin-bottom: 0.75rem;           /* gap between entries */
  border-radius: 0 0.25rem 0.25rem 0; /* rounded on right side only */
}

.publication-entry .btn {
  margin-right: 0.4rem;   /* space between BibTeX and PDF buttons */
  margin-top: 0.5rem;     /* lift buttons off the citation text */
}