/* Social rail: LinkedIn and GitHub as a tab on the right edge.
   Dark in both themes, like Fritz's launcher, so the two read as one
   family. Built by scripts/rail.js; no inline styles (project-page CSP). */

.side-rail {
  --r-bg: #0D0F16;
  --r-line: #242836;
  --r-text: #E6E8EF;
  --r-muted: #8B90A3;
  --r-green: #5FBF8E;
  --r-green-dim: #2E6B52;
  position: fixed; right: 0; top: 50%; z-index: 9980;
  transform: translateY(-50%);
  display: flex; flex-direction: column; align-items: flex-end; gap: 6px;
  font-family: var(--font-mono, 'JetBrains Mono', ui-monospace, monospace);
  pointer-events: none;
}
.side-rail a {
  pointer-events: auto;
  display: flex; align-items: center; gap: 10px;
  height: 46px; padding: 0 13px;
  /* the label sits off-canvas to the right until hover pulls it in */
  margin-right: -82px; /* label 72px + gap 10px */
  background: var(--r-bg);
  color: var(--r-muted);
  border: 1px solid var(--r-line); border-right: 0;
  border-radius: 10px 0 0 10px;
  box-shadow: 0 10px 28px -14px rgba(0,0,0,.55);
  font-size: 12.5px; letter-spacing: .02em; text-decoration: none; white-space: nowrap;
  transition: margin-right .28s cubic-bezier(.2,.8,.2,1), color .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.side-rail a:hover, .side-rail a:focus-visible {
  margin-right: 0;
  color: var(--r-text);
  border-color: var(--r-green-dim);
  box-shadow: 0 0 0 3px rgba(95,191,142,.08), 0 14px 32px -14px rgba(95,191,142,.45);
  outline: none;
}
.side-rail svg { width: 19px; height: 19px; flex: none; fill: currentColor; transition: fill .2s ease; }
.side-rail a:hover svg, .side-rail a:focus-visible svg { fill: var(--r-green); }
.side-rail .rail-label { width: 72px; opacity: 0; transition: opacity .2s ease; }
.side-rail a:hover .rail-label, .side-rail a:focus-visible .rail-label { opacity: 1; }
.side-rail .rail-prompt { color: var(--r-green); }

/* a thin green tick on the edge, the only colour at rest */
.side-rail a { position: relative; }
.side-rail a::before {
  content: ""; position: absolute; left: -1px; top: 12px; bottom: 12px; width: 2px;
  border-radius: 2px; background: var(--r-green); opacity: .55;
  transition: opacity .2s ease;
}
.side-rail a:hover::before, .side-rail a:focus-visible::before { opacity: 1; }

/* Out of the way when Fritz takes the screen, and on phones, where the
   footer already carries both links. */
html.fritz-lock .side-rail { display: none; }
@media (max-width: 760px), (max-height: 480px) { .side-rail { display: none; } }
@media (prefers-reduced-motion: reduce) { .side-rail a, .side-rail a::before, .side-rail svg, .side-rail .rail-label { transition: none; } }
@media print { .side-rail { display: none; } }