/* Papers timeline styles — tpee.app/papers (scoped: .pt-* selectors only). */

.papers-wrap { position: relative; margin: 2rem 0 4rem; }

/* the centre scale line — starts BELOW the heading + Today cap and ENDS ABOVE
   the floor caption so it never runs behind them (Jacques overlap fixes). */
.papers-wrap::before {
  content: "";
  position: absolute;
  top: 6.75rem;
  bottom: 2.75rem;
  left: 50%;
  width: 3px;
  transform: translateX(-50%);
  background: var(--accent, #6fe0e9);
  opacity: 0.55;
  border-radius: 2px;
}

.pt-heading {
  position: relative;
  z-index: 1;
  background: var(--bg-0, #10161b);
  text-align: center;
  font-size: clamp(1.15rem, 3vw, 1.6rem);
  letter-spacing: 0.18em;
  margin: 0 0 0.75rem;
  padding: 0.25rem 0;
  color: var(--text-1, #e8eef2);
}

.pt-today {
  position: relative;
  z-index: 1;
  background: var(--bg-0, #10161b);
  text-align: center;
  margin-bottom: 0.5rem;
  padding-bottom: 0.25rem;
  font-size: 0.85rem;
  color: var(--text-2, #9aa7b0);
}
.pt-today-date { font-weight: 700; color: var(--text-1, #e8eef2); }
.pt-today-label { display: block; letter-spacing: 0.12em; text-transform: uppercase; font-size: 0.72rem; }

.pt-scale { list-style: none; margin: 0; padding: 0; }

.pt-year {
  position: relative;
  width: 50%;
  padding: 0.35rem 2.2rem 0.9rem;
  box-sizing: border-box;
}
.pt-left  { left: 0; text-align: right; }
.pt-right { left: 50%; text-align: left; }

/* the connecting bar from title block to the scale line */
.pt-year::before {
  content: "";
  position: absolute;
  top: 0.95rem;
  width: 2.2rem;
  height: 2px;
  background: var(--accent, #6fe0e9);
  opacity: 0.5;
}
.pt-left::before  { right: -0.05rem; }
.pt-right::before { left: -0.05rem; }

.pt-dot {
  position: absolute;
  top: 0.72rem;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--accent, #6fe0e9);
  border: 2px solid var(--bg-0, #10161b);
  box-sizing: content-box;
}
.pt-left .pt-dot  { right: -16px; }
.pt-right .pt-dot { left: -16px; }

.pt-yearnum {
  display: inline-block;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--accent, #6fe0e9);
  margin-bottom: 0.25rem;
}

.pt-papers { list-style: none; margin: 0.15rem 0 0; padding: 0; }
.pt-paper-title {
  display: block;
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--text-1, #e8eef2);
  padding: 0.12rem 0;
}

.pt-floor {
  position: relative;
  z-index: 1;
  background: var(--bg-0, #10161b);
  text-align: center;
  margin-top: 0;
  padding: 0.35rem 0 0;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3, #7d8a93);
}

@media (max-width: 640px) {
  .pt-year { width: 50%; padding: 0.3rem 1.1rem 0.7rem; }
  .pt-year::before { width: 1.1rem; }
  .pt-paper-title { font-size: 0.78rem; }
}