/* DCS Explainer Card — collapsible "How this works / How to use" panel
   Auto-injects at the top of any element that matches a key in window.DCS_EXPLAIN.
   Style mirrors the host dashboard's blue tokens. */

.dcs-explain {
  background: linear-gradient(180deg, #f6f9ff 0%, #eef4fe 100%);
  border: 1px solid #c7d8f6;
  border-radius: 12px;
  margin: 0 0 18px;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, sans-serif;
  box-shadow: 0 1px 2px rgba(20, 30, 55, 0.04);
}

.dcs-explain summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 13.5px;
  font-weight: 600;
  color: #0c2c63;
  user-select: none;
  transition: background 0.12s;
}
.dcs-explain summary::-webkit-details-marker { display: none; }
.dcs-explain summary:hover { background: rgba(47, 111, 237, 0.06); }

.dcs-explain summary .dcs-explain-ic {
  width: 26px; height: 26px;
  border-radius: 7px;
  background: linear-gradient(135deg, #2f6fed, #5d97ff);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 800;
  flex-shrink: 0;
}
.dcs-explain summary .dcs-explain-label {
  flex: 1;
  font-weight: 600;
  font-size: 13.5px;
}
.dcs-explain summary .dcs-explain-label .sub {
  font-weight: 400;
  color: #5d6675;
  font-size: 12.5px;
  margin-left: 6px;
}
.dcs-explain summary .dcs-explain-chev {
  font-size: 12px;
  color: #5d6675;
  transition: transform 0.18s;
}
.dcs-explain[open] summary .dcs-explain-chev {
  transform: rotate(180deg);
}

.dcs-explain-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  padding: 4px 18px 18px;
  border-top: 1px solid #dbe5fb;
  background: #fff;
}
@media (max-width: 900px) {
  .dcs-explain-body { grid-template-columns: 1fr; gap: 14px; }
}

.dcs-explain-text h4 {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: #2f6fed;
  margin: 14px 0 6px;
}
.dcs-explain-text h4:first-child { margin-top: 14px; }
.dcs-explain-text p,
.dcs-explain-text ol,
.dcs-explain-text ul {
  font-size: 13px;
  line-height: 1.6;
  color: #1b2333;
  margin: 0 0 8px;
}
.dcs-explain-text ol,
.dcs-explain-text ul {
  padding-left: 20px;
}
.dcs-explain-text li {
  margin-bottom: 4px;
}
.dcs-explain-text code {
  background: #eef4fe;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12px;
  color: #1e4fb0;
  font-family: "SF Mono", Menlo, Consolas, monospace;
}
.dcs-explain-text a {
  color: #2f6fed;
  font-weight: 600;
}
.dcs-explain-text a:hover { text-decoration: underline; }

.dcs-explain-diagram {
  background: #f6f9ff;
  border: 1px solid #dbe5fb;
  border-radius: 10px;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 240px;
}
.dcs-explain-diagram svg {
  width: 100%;
  height: auto;
  max-height: 320px;
}

.dcs-explain-actions {
  grid-column: 1 / -1;
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 4px;
  padding-top: 12px;
  border-top: 1px dashed #dbe5fb;
  font-size: 12px;
  color: #5d6675;
}
.dcs-explain-actions a {
  color: #2f6fed;
  font-weight: 600;
}
.dcs-explain-actions .spacer { flex: 1; }
.dcs-explain-actions button {
  background: transparent;
  border: 1px solid #c7d8f6;
  color: #5d6675;
  font: inherit;
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: 0.12s;
}
.dcs-explain-actions button:hover {
  border-color: #2f6fed;
  color: #2f6fed;
}

/* Hidden state (user dismissed) — but show a slim "show explainer" button */
.dcs-explain.dismissed {
  background: transparent;
  border: 1px dashed #c7d8f6;
  box-shadow: none;
}
.dcs-explain.dismissed summary { padding: 6px 12px; font-size: 12px; color: #5d6675; }
.dcs-explain.dismissed summary .dcs-explain-ic { display: none; }
.dcs-explain.dismissed .dcs-explain-body { display: none !important; }
.dcs-explain.dismissed[open] {
  background: linear-gradient(180deg, #f6f9ff 0%, #eef4fe 100%);
  border: 1px solid #c7d8f6;
}
.dcs-explain.dismissed[open] summary { font-size: 13.5px; padding: 12px 16px; color: #0c2c63; }
.dcs-explain.dismissed[open] summary .dcs-explain-ic { display: grid; }
.dcs-explain.dismissed[open] .dcs-explain-body { display: grid !important; }