/* DCS Explainer — Right Drawer Pattern (v2)
 * Floating trigger button + right-anchored slide-in drawer.
 * Theme-agnostic — works on light + dark dashboard backgrounds.
 */

/* ─── Trigger button (fixed top-right, always visible) ─────────────── */
.dcs-explain-trigger {
  position: fixed;
  bottom: 20px;                       /* bottom-right help FAB — avoids overlapping page action buttons */
  right: 20px;
  z-index: 1900;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px 8px 10px;
  background: #1a2238;
  color: #e0e7ff;
  border: 1px solid #2f3a5c;
  border-radius: 999px;
  font: 600 12.5px -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  letter-spacing: -0.005em;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(8, 14, 32, 0.18), 0 1px 0 rgba(255, 255, 255, 0.04) inset;
  transition: background 0.15s, border-color 0.15s, color 0.15s, transform 0.12s;
  max-width: calc(100vw - 32px);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.dcs-explain-trigger:hover {
  background: #232d4a;
  border-color: #3d4a72;
  transform: translateY(-1px);
}
.dcs-explain-trigger:active { transform: translateY(0); }
.dcs-explain-trigger.active {
  background: #1f7a3b;
  border-color: #1f7a3b;
  color: #fff;
}
.dcs-explain-trigger-ic {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.08);
}
.dcs-explain-trigger.active .dcs-explain-trigger-ic {
  background: rgba(255, 255, 255, 0.18);
}
.dcs-explain-trigger-label { max-width: 220px; overflow: hidden; text-overflow: ellipsis; }

/* On light-theme pages, switch the trigger to a light-bg pill */
body[data-theme="light"] .dcs-explain-trigger,
body.light-theme        .dcs-explain-trigger {
  background: #ffffff;
  color: #0f1422;
  border-color: #dbe5fb;
  box-shadow: 0 6px 18px rgba(8, 14, 32, 0.12);
}
body[data-theme="light"] .dcs-explain-trigger:hover,
body.light-theme        .dcs-explain-trigger:hover {
  background: #f5f7fb;
  border-color: #adc4f4;
}

/* ─── Drawer (slides in from the right) ─────────────────────────────── */
.dcs-explain-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 360px;
  max-width: 92vw;
  z-index: 2000;
  background: #0f1729;
  color: #e5e7eb;
  border-left: 1px solid #1f2937;
  box-shadow: -10px 0 36px rgba(0, 0, 0, 0.36);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.22s cubic-bezier(0.2, 0.8, 0.2, 1);
  font: 13px/1.55 -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}
.dcs-explain-drawer.open { transform: translateX(0); }

.dcs-explain-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 14px 14px 12px;
  border-bottom: 1px solid #1f2937;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
}
.dcs-explain-drawer-title {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  font-size: 14px;
  color: #f0f3fa;
  letter-spacing: -0.01em;
  min-width: 0;
}
.dcs-explain-drawer-title > span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.dcs-explain-drawer-ic {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: rgba(124, 196, 255, 0.12);
  color: #7cc4ff;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 13px;
}
.dcs-explain-drawer-close {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 7px;
  border: 1px solid #1f2937;
  background: transparent;
  color: #9ca3af;
  font: 18px/1 -apple-system, BlinkMacSystemFont, sans-serif;
  cursor: pointer;
  display: grid;
  place-items: center;
}
.dcs-explain-drawer-close:hover { background: #1f2937; color: #f5f5f7; }

/* Body — scrollable */
.dcs-explain-drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 16px 18px;
  scrollbar-width: thin;
  scrollbar-color: #2a3450 transparent;
}
.dcs-explain-drawer-body::-webkit-scrollbar { width: 6px; }
.dcs-explain-drawer-body::-webkit-scrollbar-thumb { background: #2a3450; border-radius: 3px; }
.dcs-explain-drawer-body h4 {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #7cc4ff;
  margin: 14px 0 6px;
}
.dcs-explain-drawer-body h4:first-child { margin-top: 0; }
.dcs-explain-drawer-body p,
.dcs-explain-drawer-body li {
  font-size: 12.5px;
  line-height: 1.55;
  color: #cdd3e3;
  margin: 0 0 8px;
}
.dcs-explain-drawer-body ol,
.dcs-explain-drawer-body ul {
  padding-left: 18px;
  margin: 0 0 8px;
}
.dcs-explain-drawer-body code {
  font: 11.5px ui-monospace, Menlo, Monaco, monospace;
  background: rgba(255, 255, 255, 0.06);
  padding: 1.5px 5px;
  border-radius: 4px;
  color: #f0f3fa;
}
.dcs-explain-drawer-body a { color: #7cc4ff; text-decoration: none; }
.dcs-explain-drawer-body a:hover { text-decoration: underline; }
.dcs-explain-sub {
  font-size: 11px;
  color: #8b94a8;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid #1f2937;
}

/* Diagram (typically SVG) — give breathing room */
.dcs-explain-drawer-diagram {
  margin-top: 12px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid #1f2937;
  border-radius: 8px;
}
.dcs-explain-drawer-diagram svg { width: 100%; height: auto; display: block; }

/* Footer */
.dcs-explain-drawer-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 14px;
  border-top: 1px solid #1f2937;
  background: rgba(255, 255, 255, 0.015);
}
.dcs-explain-drawer-doc {
  font-size: 12px;
  color: #7cc4ff;
  text-decoration: none;
  font-weight: 600;
}
.dcs-explain-drawer-doc:hover { text-decoration: underline; }
.dcs-explain-drawer-tag {
  font: 10px ui-monospace, Menlo, Monaco, monospace;
  color: #5a6378;
  padding: 2px 6px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 4px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Backdrop — only on mobile (desktop lets user keep working) */
.dcs-explain-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
}
@media (max-width: 768px) {
  .dcs-explain-backdrop.open { opacity: 1; pointer-events: auto; }
  .dcs-explain-drawer { width: 100vw; max-width: 100vw; }
  .dcs-explain-trigger { top: auto; bottom: 16px; right: 16px; }
}

/* Light-theme overrides for the drawer itself */
body[data-theme="light"] .dcs-explain-drawer,
body.light-theme        .dcs-explain-drawer {
  background: #ffffff;
  color: #0f1422;
  border-left-color: #dbe5fb;
  box-shadow: -10px 0 36px rgba(8, 14, 32, 0.18);
}
body[data-theme="light"] .dcs-explain-drawer-head,
body.light-theme        .dcs-explain-drawer-head { border-bottom-color: #e2e7f0; background: #f5f7fb; }
body[data-theme="light"] .dcs-explain-drawer-title,
body.light-theme        .dcs-explain-drawer-title { color: #0f1422; }
body[data-theme="light"] .dcs-explain-drawer-ic,
body.light-theme        .dcs-explain-drawer-ic { background: #dce8f7; color: #1f5798; }
body[data-theme="light"] .dcs-explain-drawer-close,
body.light-theme        .dcs-explain-drawer-close { border-color: #e2e7f0; color: #6b7280; }
body[data-theme="light"] .dcs-explain-drawer-close:hover,
body.light-theme        .dcs-explain-drawer-close:hover { background: #f5f7fb; color: #0f1422; }
body[data-theme="light"] .dcs-explain-drawer-body h4,
body.light-theme        .dcs-explain-drawer-body h4 { color: #1f5798; }
body[data-theme="light"] .dcs-explain-drawer-body p,
body[data-theme="light"] .dcs-explain-drawer-body li,
body.light-theme        .dcs-explain-drawer-body p,
body.light-theme        .dcs-explain-drawer-body li { color: #475569; }
body[data-theme="light"] .dcs-explain-drawer-body code,
body.light-theme        .dcs-explain-drawer-body code { background: #f5f7fb; color: #0f1422; }
body[data-theme="light"] .dcs-explain-drawer-foot,
body.light-theme        .dcs-explain-drawer-foot { border-top-color: #e2e7f0; background: #f5f7fb; }
body[data-theme="light"] .dcs-explain-drawer-tag,
body.light-theme        .dcs-explain-drawer-tag { background: #e2e7f0; color: #6b7280; }
body[data-theme="light"] .dcs-explain-drawer-diagram,
body.light-theme        .dcs-explain-drawer-diagram { background: #f5f7fb; border-color: #e2e7f0; }

/* ─── Backwards compat: hide the v1 inline cards (legacy <details>) ─── */
.dcs-explain {
  display: none !important;
}