/* ── deflink.css — Inline Definition Term Linking ──────────────────────────── */

/* ── The linked term ─────────────────────────────────────────────────────────
   Subtle: keeps the prose colour but adds a dotted underline so it reads as a
   "soft" link that doesn't compete with regular hyperlinks.
   ─────────────────────────────────────────────────────────────────────────── */
a.deflink {
  color: inherit;
  text-decoration: none;
  text-underline-offset: 3px;
  cursor: help;
  border-radius: 2px;
  transition: background-color 0.15s ease, color 0.15s ease;
}

a.deflink:hover,
a.deflink:focus-visible {
  background-color: rgba(var(--mud-palette-primary-rgb, 63, 81, 181), 0.10);
  color: var(--mud-palette-primary, #3f51b5);
  text-decoration: underline dotted var(--mud-palette-primary, #3f51b5);
  outline: none;
}

a.deflink:focus-visible {
  outline: 2px solid var(--mud-palette-primary, #3f51b5);
  outline-offset: 2px;
}

/* ── Popover card ────────────────────────────────────────────────────────────
   Floated absolutely over the page, anchored to the term.
   ─────────────────────────────────────────────────────────────────────────── */
#deflink-popover {
  position: absolute;
  z-index: 9000;
  min-width: 260px;
  max-width: 360px;
  background: var(--mud-palette-surface, #ffffff);
  border: 1px solid var(--mud-palette-lines-default, #e0e0e0);
  border-radius: 10px;
  box-shadow:
    0 4px 6px -1px rgba(0, 0, 0, 0.10),
    0 2px 4px -1px rgba(0, 0, 0, 0.06),
    0 0 0 1px rgba(0, 0, 0, 0.04);
  padding: 16px 18px 14px;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--mud-palette-text-primary, #212121);
  animation: deflink-fadein 0.12s ease;
}

#deflink-popover[hidden] {
  display: none;
}

@keyframes deflink-fadein {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Close button ────────────────────────────────────────────────────────────*/
.deflink-popover__close {
  position: absolute;
  top: 8px;
  right: 10px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  line-height: 1;
  color: var(--mud-palette-text-secondary, #757575);
  padding: 2px 5px;
  border-radius: 4px;
  transition: background-color 0.1s;
}

.deflink-popover__close:hover {
  background-color: rgba(0, 0, 0, 0.07);
}

/* ── Content ─────────────────────────────────────────────────────────────────*/
.deflink-popover__content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.deflink-popover__term {
  margin: 0;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--mud-palette-text-primary, #212121);
  padding-right: 20px; /* room for close button */
}

.deflink-popover__summary {
  margin: 0;
  color: var(--mud-palette-text-secondary, #616161);
  font-size: 0.85rem;
}

/* ── Tags ─────────────────────────────────────────────────────────────────── */
.deflink-popover__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.deflink-popover__tag {
  display: inline-block;
  background: var(--mud-palette-background-grey, #f5f5f5);
  color: var(--mud-palette-text-secondary, #616161);
  border-radius: 12px;
  padding: 2px 9px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

/* ── Full-definition link ─────────────────────────────────────────────────── */
.deflink-popover__full-link {
  display: inline-block;
  margin-top: 2px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--mud-palette-primary, #3f51b5);
  text-decoration: none;
}

.deflink-popover__full-link:hover {
  text-decoration: underline;
}

/* ── Dark-mode adjustment ────────────────────────────────────────────────────
   MudBlazor adds .mud-dark to <body> in dark mode.
   ─────────────────────────────────────────────────────────────────────────── */
.mud-dark #deflink-popover {
  background: var(--mud-palette-surface, #1e1e1e);
  border-color: var(--mud-palette-lines-default, #333);
  box-shadow:
    0 4px 6px -1px rgba(0, 0, 0, 0.40),
    0 2px 4px -1px rgba(0, 0, 0, 0.30);
}

.mud-dark a.deflink:hover,
.mud-dark a.deflink:focus-visible {
  background-color: rgba(var(--mud-palette-primary-rgb, 100, 130, 255), 0.15);
}
