/* Issuer streamgraph — "Issuer share over time" section on /issuers.
   Namespaced .isg-* so it never collides with the page's inline styles.
   Driven by js/issuer-streamgraph.js; uses tokens.css variables. */

.isg-section {
  margin: 1.6rem 0 2rem;
  padding: 1.1rem 1.15rem 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.022), rgba(255, 255, 255, 0.01));
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
}

.isg-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.isg-title {
  font-family: var(--serif-display);
  font-weight: 300;
  font-size: clamp(20px, 3vw, 28px);
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0.25rem 0 0.4rem;
}
.isg-dek {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.55;
  max-width: 72ch;
  margin: 0;
}

.isg-bar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 1.1rem 0 0.4rem;
}
.isg-readouts { display: flex; gap: 2rem; }
.isg-ro { display: flex; flex-direction: column; }
.isg-ro-lab {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 5px;
}
.isg-ro-big {
  font-family: var(--serif-display);
  font-weight: 300;
  font-size: 34px;
  line-height: 1;
  color: var(--text);
}
.isg-ro-big.is-top { color: var(--accent-light); }
.isg-ro-delta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 5px;
}

.isg-windows {
  display: flex;
  gap: 5px;
  background: var(--bg-card);
  border: 1px solid var(--border-hairline);
  border-radius: 10px;
  padding: 4px;
}
.isg-win {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  background: none;
  border: none;
  padding: 7px 13px;
  border-radius: 7px;
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease;
}
.isg-win.is-on { background: rgba(125, 211, 192, 0.14); color: var(--accent-light); }
.isg-win:hover:not(.is-on) { color: var(--text); }

.isg-stage {
  position: relative;
  margin-top: 0.6rem;
  border: 1px solid var(--border-hairline);
  border-radius: 14px;
  background:
    radial-gradient(120% 90% at 50% 0%, rgba(125, 211, 192, 0.04), transparent 60%),
    var(--bg-card);
  overflow: hidden;
  min-height: 180px;
}
.isg-stage svg { display: block; width: 100%; height: auto; }

.isg-gl { stroke: rgba(255, 255, 255, 0.06); stroke-width: 1; }
.isg-ylab, .isg-tick { font-family: var(--mono); font-size: 11px; fill: var(--text-faint); }
.isg-blab { font-family: var(--mono); font-size: 13px; font-weight: 500; }
.isg-guide { stroke: rgba(255, 255, 255, 0.16); stroke-width: 1; stroke-dasharray: 3 4; }

.isg-tip {
  position: absolute;
  pointer-events: none;
  background: rgba(8, 11, 13, 0.94);
  border: 1px solid var(--border-hairline);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 12px;
  opacity: 0;
  transition: opacity 0.12s ease;
  min-width: 170px;
}
.isg-tip-d {
  font-family: var(--mono);
  color: var(--text-faint);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 7px;
}
.isg-tip-r { display: flex; align-items: center; gap: 8px; margin: 3px 0; }
.isg-tip-sw { width: 9px; height: 9px; border-radius: 2px; flex: none; }
.isg-tip-nm { color: var(--text-secondary); flex: 1; }
.isg-tip-pc { font-family: var(--mono); color: var(--text); }

.isg-legend { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 16px; }
.isg-lg { display: flex; align-items: center; gap: 7px; font-size: 13px; color: var(--text-secondary); }
.isg-lg-sw { width: 12px; height: 12px; border-radius: 3px; }
.isg-lg b { color: var(--text); font-weight: 500; }

.isg-source { margin-top: 14px; font-size: 12px; color: var(--text-faint); }

.isg-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-faint);
  font-family: var(--mono);
  font-size: 13px;
}
/* The element-level display rule above out-specifies the UA [hidden] rule,
   so restore it explicitly — otherwise hidden="true" never hides the node. */
.isg-empty[hidden] { display: none; }

@media (max-width: 520px) {
  .isg-blab { display: none; }
  .isg-readouts { gap: 1.4rem; }
  .isg-ro-big { font-size: 28px; }
}