/* Timeline */
.timeline-list { position: relative; }
.tl-item {
  position: relative; padding-left: 52px; padding-bottom: 56px;
  border-left: 1px solid transparent; margin-left: 5px;
}
.tl-item::before {
  content: ''; position: absolute; left: -1px; top: 0; width: 1px; height: 0;
  background: var(--line); transition: height 0.9s cubic-bezier(0.16,1,0.3,1), background 0.5s;
}
.tl-item.vis::before { height: 100%; }
.tl-item:last-child::before { display: none; }
.tl-dot {
  position: absolute; left: -6px; top: 2px; width: 11px; height: 11px;
  border-radius: 50%; background: var(--bg); border: 2px solid var(--dim);
  transition: border-color 0.35s, background 0.35s;
  cursor: default;
}
.tl-item:hover .tl-dot { border-color: var(--accent); background: var(--accent); }
.tl-item.pulse .tl-dot { animation: tlDotPulse 0.6s cubic-bezier(0.34,1.56,0.64,1); }
@keyframes tlDotPulse {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.4); }
  100% { transform: scale(1); }
}

/* Timeline year hover — age tooltip */
.tl-year-tip {
  position: absolute; left: 0; bottom: calc(100% + 8px); white-space: nowrap;
  background: var(--text); color: var(--bg); font-family: 'Space Mono', monospace;
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; padding: 5px 9px;
  border-radius: 3px; opacity: 0; transform: translateY(4px); pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.tl-year:hover .tl-year-tip { opacity: 1; transform: translateY(0); }

/* Burnt-PC glitch wink */
.tl-desc.glitchable { cursor: default; }
.tl-desc.glitchable.glitching {
  animation: tlGlitch 0.35s steps(2, end);
}
@keyframes tlGlitch {
  0%   { transform: translate(0,0); opacity: 1; filter: none; }
  20%  { transform: translate(-2px,1px); opacity: 0.75; filter: hue-rotate(15deg); }
  40%  { transform: translate(2px,-1px); opacity: 0.9; filter: hue-rotate(-15deg); }
  60%  { transform: translate(-1px,0); opacity: 0.7; filter: none; }
  80%  { transform: translate(1px,1px); opacity: 0.95; filter: hue-rotate(8deg); }
  100% { transform: translate(0,0); opacity: 1; filter: none; }
}
.tl-year {
  position: relative; display: inline-block; cursor: default;
  font-family: 'Space Mono', monospace; font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 10px; transition: color 0.35s;
}
.tl-item:hover .tl-year { color: var(--text2); }
.tl-title {
  font-family: 'Bebas Neue', sans-serif; font-size: clamp(24px, 3.2vw, 36px);
  letter-spacing: 0.04em; line-height: 1.05; color: var(--text); margin-bottom: 10px;
  transition: letter-spacing 0.45s ease;
}
.tl-item:hover .tl-title { letter-spacing: 0.07em; }
.tl-desc {
  font-family: 'Space Grotesk', sans-serif; font-weight: 300; font-size: clamp(14px, 1.4vw, 16px);
  color: var(--text2); line-height: 1.6; max-width: 560px;
}
.tl-tag {
  display: inline-block; margin-top: 14px; font-family: 'Space Mono', monospace;
  font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted);
  border: 1px solid var(--line2); padding: 4px 10px; transition: border-color 0.35s, color 0.35s;
}
.tl-item:hover .tl-tag { border-color: var(--dim); color: var(--text); }

.pc-quote {
  margin: 8px 0 18px;
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  font-style: italic;
  letter-spacing: 0.03em;
  color: var(--muted);
  line-height: 1.6;
}

/* Toast used by the fast-scroll "highlight reel" easter egg */
.egg-toast {
  position: fixed; left: 50%; bottom: 32px; z-index: 9500;
  transform: translate(-50%, 20px); opacity: 0; pointer-events: none;
  background: var(--inv-bg); color: var(--inv-text);
  font-family: 'Space Mono', monospace; font-size: 11px; letter-spacing: 0.08em;
  padding: 12px 20px; border-radius: 4px; white-space: nowrap;
  transition: opacity 0.4s cubic-bezier(0.16,1,0.3,1), transform 0.4s cubic-bezier(0.16,1,0.3,1);
}
.egg-toast.show { opacity: 1; transform: translate(-50%, 0); }