/* ─── Dotted underline tooltip trigger ─────────────────────────── */
.tt {
  border-bottom: 1px dotted var(--text3);
  cursor: help;
  white-space: nowrap;
}
.tt:hover {
  border-bottom-color: var(--accent);
}

/* ─── Inline tooltip popup ─────────────────────────────────────── */
#m-tt-popup {
  position: fixed;
  z-index: 9999;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 4px 18px rgba(0,0,0,0.12), 0 1px 4px rgba(0,0,0,0.06);
  padding: 0.7rem 2.2rem 0.7rem 0.9rem;
  max-width: 240px;
  min-width: 170px;
  pointer-events: all;
  /* arrow variable set by JS */
  --arrow-left: 50%;
}
/* Arrow — border layer */
#m-tt-popup::before {
  content: '';
  position: absolute;
  left: var(--arrow-left);
  transform: translateX(-50%);
  border: 7px solid transparent;
}
/* Arrow — fill layer */
#m-tt-popup::after {
  content: '';
  position: absolute;
  left: var(--arrow-left);
  transform: translateX(-50%);
  border: 6px solid transparent;
}
#m-tt-popup[data-arrow-dir="up"]::before { top: -14px; border-bottom-color: var(--border); border-top: none; }
#m-tt-popup[data-arrow-dir="up"]::after  { top: -12px; border-bottom-color: var(--surface); border-top: none; }
#m-tt-popup[data-arrow-dir="down"]::before { bottom: -14px; border-top-color: var(--border); border-bottom: none; }
#m-tt-popup[data-arrow-dir="down"]::after  { bottom: -12px; border-top-color: var(--surface); border-bottom: none; }

.tt-popup-close {
  position: absolute;
  top: 0.3rem;
  right: 0.45rem;
  background: none;
  border: none;
  font-size: 0.75rem;
  line-height: 1;
  cursor: pointer;
  color: var(--text3);
  padding: 0.25rem;
}
.tt-popup-close:hover { color: var(--text); }

.tt-popup-title {
  font-size: 0.79rem;
  font-weight: 700;
  color: var(--text);
  font-family: 'Syne', sans-serif;
  margin-bottom: 0.3rem;
  line-height: 1.3;
}
.tt-popup-body {
  font-size: 0.72rem;
  color: var(--text2);
  line-height: 1.55;
  margin: 0 0 0.5rem;
}
.tt-popup-link {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font-size: 0.72rem;
  color: var(--accent);
  font-family: inherit;
  text-decoration: none;
}
.tt-popup-link:hover { text-decoration: underline; }

/* ─── Glossary overlay (right-side drawer on desktop, fullscreen on mobile) ── */
#m-glossary {
  justify-content: flex-end;
  align-items: stretch;
  padding: 0;
}
#m-glossary.open { display: flex; }

.glossary-drawer {
  width: min(380px, 100vw);
  height: 100%;
  background: var(--bg);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: -4px 0 24px rgba(0,0,0,0.08);
}

.glossary-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1rem 0.75rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.glossary-head-title {
  font-size: 1.05rem;
  font-weight: 700;
  font-family: 'Syne', sans-serif;
  color: var(--text);
}

.glossary-search-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.glossary-search-icon {
  color: var(--text3);
  font-size: 0.85rem;
  flex-shrink: 0;
}
.glossary-search {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 0.84rem;
  color: var(--text);
  font-family: inherit;
  outline: none;
}
.glossary-search::placeholder { color: var(--text3); }

.glossary-cats {
  display: flex;
  gap: 0.4rem;
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  flex-wrap: wrap;
}
.gloss-cat-btn {
  font-size: 0.72rem;
  font-family: inherit;
  padding: 0.25rem 0.6rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text2);
  cursor: pointer;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
  white-space: nowrap;
}
.gloss-cat-btn.active {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

.glossary-list {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem 0;
}

/* Term row */
.gloss-term {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.1s;
}
.gloss-term:last-child { border-bottom: none; }
.gloss-term:hover { background: var(--surface); }
.gloss-term.expanded {
  background: var(--surface);
}

.gloss-term-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
}
.gloss-term-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  font-family: 'Syne', sans-serif;
}
.gloss-term-badge {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text3);
  text-transform: uppercase;
  flex-shrink: 0;
}
.gloss-term-short {
  font-size: 0.77rem;
  color: var(--text2);
  margin-top: 0.2rem;
  line-height: 1.5;
}

/* Expanded content */
.gloss-term-full {
  margin-top: 0.6rem;
  padding-top: 0.6rem;
  border-top: 1px solid var(--border);
  display: none;
}
.gloss-term.expanded .gloss-term-full { display: block; }

.gloss-term-full-body {
  font-size: 0.77rem;
  color: var(--text2);
  line-height: 1.6;
  margin: 0 0 0.5rem;
}
.gloss-how-calc {
  font-size: 0.73rem;
  color: var(--text2);
  margin: 0.4rem 0;
}
.gloss-how-calc strong { color: var(--text); }
.gloss-distinct {
  font-size: 0.73rem;
  color: var(--text3);
  margin: 0.4rem 0;
  font-style: italic;
}
.gloss-distinct a { color: var(--accent); cursor: pointer; text-decoration: none; font-style: normal; }
.gloss-distinct a:hover { text-decoration: underline; }
.gloss-distinct-link {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font-size: inherit;
  font-family: inherit;
  color: var(--accent);
  font-style: normal;
}
.gloss-distinct-link:hover { text-decoration: underline; }
.gloss-distinct-link strong { font-weight: 600; font-style: normal; }

.gloss-used-on {
  margin-top: 0.5rem;
}
.gloss-used-lbl {
  font-size: 0.68rem;
  color: var(--text3);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.3rem;
}
.gloss-used-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}
.gloss-tab-btn {
  font-size: 0.72rem;
  font-family: inherit;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text2);
  cursor: pointer;
  transition: background 0.1s, color 0.1s;
}
.gloss-tab-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

.gloss-no-results {
  padding: 2rem 1rem;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text3);
}

/* ─── Responsive: mobile full-screen ───────────────────────────── */
@media (max-width: 768px) {
  .glossary-drawer {
    width: 100%;
    border-left: none;
    box-shadow: none;
  }
  #m-glossary {
    align-items: flex-end;
  }
}