:root { --sd-acc: #ff7a2f; }
.stg-story {
  display: inline-flex; align-items: center; gap: 6px; margin-left: auto; flex: none;
  padding: 5px 12px 5px 9px; background: color-mix(in srgb, var(--sd-acc) 16%, var(--pn2));
  border: 1px solid color-mix(in srgb, var(--sd-acc) 55%, var(--ln)); color: var(--hi);
  font: 12px/1 var(--f-lbl); letter-spacing: 1.4px; text-transform: uppercase; cursor: pointer;
  clip-path: var(--slant); transition: background .15s, border-color .15s, transform .1s;
}
.stg-story:hover { background: color-mix(in srgb, var(--sd-acc) 30%, var(--pn2)); border-color: var(--sd-acc); }
.stg-story:active { transform: translateY(1px); }
.stg-story svg { width: 15px; height: 15px; fill: none; stroke: var(--sd-acc); stroke-width: 2; stroke-linejoin: round; }
.stg summary .stg-story { order: 3; }
.stg-n ~ .stg-story { }
body.sd-open { overflow: hidden; }
.sd-ov {
  position: fixed; inset: 0; z-index: 2147483600; display: flex; align-items: center; justify-content: center;
  padding: 16px; background: rgba(4, 6, 12, .72); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  opacity: 0; transition: opacity .18s ease;
}
.sd-ov.in { opacity: 1; }
.sd-box {
  display: flex; flex-direction: column; width: min(820px, 100%); max-height: min(90vh, 760px);
  background: var(--pn); border: 1px solid var(--ln); border-top: 3px solid var(--sd-acc); box-shadow: 0 24px 70px rgba(0, 0, 0, .55);
  transform: translateY(14px) scale(.985); opacity: .4; transition: transform .2s ease, opacity .2s ease;
}
.sd-ov.in .sd-box { transform: none; opacity: 1; }
.sd-head { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-bottom: 1px solid var(--ln); background: var(--pn2); }
.sd-title { color: var(--hi); font: 16px/1.2 var(--f-lbl); letter-spacing: .4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sd-seg { display: flex; gap: 0; margin-left: auto; flex: none; flex-wrap: wrap; justify-content: flex-end; }
.sd-sg {
  padding: 6px 12px; background: var(--pn3); border: 1px solid var(--ln); border-right-width: 0; color: var(--dim);
  font: 11px/1 var(--f-lbl); letter-spacing: 1.2px; text-transform: uppercase; cursor: pointer; transition: background .12s, color .12s;
}
.sd-sg:last-of-type { border-right-width: 1px; }
.sd-sg:hover { color: var(--tx); }
.sd-sg.on { background: var(--sd-acc); color: #1a1205; border-color: var(--sd-acc); }
.sd-x { flex: none; width: 34px; height: 34px; background: none; border: 1px solid var(--ln); color: var(--dim); font-size: 22px; line-height: 1; cursor: pointer; transition: color .12s, border-color .12s; }
.sd-x:hover { color: var(--hi); border-color: var(--sd-acc); }
.sd-stage {
  position: relative; flex: 1 1 auto; min-height: 320px; display: flex; align-items: flex-end; gap: 18px;
  padding: 22px 22px 18px; cursor: pointer; overflow: hidden;
  background: radial-gradient(130% 90% at 18% 100%, color-mix(in srgb, var(--sd-acc) 12%, transparent), transparent 60%), var(--pn);
}
.sd-portrait {
  flex: none; width: 168px; height: 200px; align-self: flex-end; background-repeat: no-repeat;
  background-position: center bottom; background-size: contain; opacity: 0; transform: translateY(8px);
  transition: opacity .2s ease, transform .2s ease; filter: drop-shadow(0 6px 14px rgba(0, 0, 0, .5));
}
.sd-portrait.has { opacity: 1; transform: none; }
.sd-portrait.sd-swap { animation: sd-swap .22s ease; }
@keyframes sd-swap { from { opacity: .3; transform: translateY(5px); } to { opacity: 1; transform: none; } }
.sd-bubble {
  flex: 1 1 auto; align-self: stretch; display: flex; flex-direction: column; justify-content: flex-end; gap: 10px;
  min-height: 150px;
}
.sd-speaker {
  align-self: flex-start; min-height: 20px; padding: 4px 14px 3px; background: var(--sd-acc); color: #1a1205;
  font: 15px/1.2 var(--f-lbl); letter-spacing: .6px; clip-path: var(--slant);
}
.sd-speaker:empty { display: none; }
.sd-text {
  background: color-mix(in srgb, var(--pn3) 80%, #000); border: 1px solid var(--ln); border-left: 3px solid var(--sd-acc);
  padding: 16px 20px; color: var(--tx); font: 21px/1.5 var(--f-ui); white-space: pre-line; min-height: 96px;
}
.sd-text.sd-fade { animation: sd-fade .22s ease; }
@keyframes sd-fade { from { opacity: .25; } to { opacity: 1; } }
.sd-load { color: var(--dim); }
.sd-box.sd-narr .sd-portrait { display: none; }
.sd-box.sd-narr .sd-bubble { align-items: center; }
.sd-box.sd-narr .sd-text { border-left: 0; border-top: 3px solid var(--sd-acc); text-align: center; font-style: italic; color: var(--hi); max-width: 620px; }
.sd-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 16px; border-top: 1px solid var(--ln); background: var(--pn2); }
.sd-nav-b {
  width: 42px; height: 38px; flex: none; background: var(--pn3); border: 1px solid var(--ln); color: var(--hi);
  font-size: 22px; line-height: 1; cursor: pointer; transition: background .12s, border-color .12s, color .12s;
}
.sd-nav-b:hover { border-color: var(--sd-acc); color: var(--sd-acc); }
.sd-nav-b:disabled { opacity: .35; cursor: default; }
.sd-nav-b:disabled:hover { border-color: var(--ln); color: var(--hi); }
.sd-next.sd-end { background: color-mix(in srgb, var(--sd-acc) 22%, var(--pn3)); border-color: var(--sd-acc); color: var(--sd-acc); }
.sd-count { color: var(--dim); font: 13px var(--f-num); letter-spacing: 1px; }
@media (max-width: 560px) {
  .sd-head { flex-wrap: wrap; }
  .sd-title { width: 100%; }
  .sd-seg { margin-left: 0; }
  .sd-stage { flex-direction: column; align-items: stretch; min-height: 0; padding: 16px; }
  .sd-portrait { width: 100%; height: 150px; align-self: center; }
  .sd-text { font-size: 18px; padding: 13px 15px; }
  .sd-box { max-height: 94vh; }
}
@media (prefers-reduced-motion: reduce) {
  .sd-ov, .sd-box, .sd-portrait { transition: none; }
  .sd-text.sd-fade { animation: none; }
}