.participation-manager-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(380px, .92fr);
  min-height: 640px;
}

.participation-manager {
  padding: 20px;
  background: #17171d;
  border-right: 1px solid var(--border);
}

.participation-manager__intro,
.participation-manager__card {
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 14px;
  background: rgba(255,255,255,.025);
}

.participation-manager__intro {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
  padding: 14px 16px;
}

.participation-manager__intro strong { color: #f8fafc; font-size: 14px; }
.participation-manager__intro p { margin: 4px 0 0; color: #aeb4c1; font-size: 12px; }

.participation-manager__trigger-setting {
  margin-bottom: 14px;
  padding: 13px 14px;
  border: 1px solid rgba(250,204,21,.18);
  border-radius: 12px;
  background: rgba(250,204,21,.035);
}

.participation-manager__trigger-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.participation-manager__trigger-head label {
  color: #f8fafc;
  font-size: 12px;
  font-weight: 800;
}

.participation-manager__trigger-head span {
  padding: 2px 8px;
  border: 1px solid rgba(250,204,21,.35);
  border-radius: 999px;
  color: #fde68a;
  font-size: 10px;
  font-weight: 800;
}

.participation-manager__trigger-list { display: flex; flex-wrap: wrap; gap: 7px; min-height: 29px; margin-bottom: 9px; }
.participation-manager__trigger-chip { display: inline-flex; align-items: center; gap: 6px; max-width: 100%; padding: 5px 7px 5px 10px; border: 1px solid rgba(250,204,21,.35); border-radius: 999px; color: #fff4bd; background: rgba(250,204,21,.1); font-size: 11px; font-weight: 800; }
.participation-manager__trigger-chip > span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.participation-manager__trigger-chip button { width: 20px; height: 20px; padding: 0; border: 0; border-radius: 50%; color: #fef3c7; background: rgba(255,255,255,.12); cursor: pointer; font-size: 15px; line-height: 20px; }
.participation-manager__trigger-entry { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 7px; }
.participation-manager__trigger-entry input { width: 100%; height: 38px; }
.participation-manager__trigger-entry button { height: 38px; padding: 0 14px; border: 1px solid rgba(250,204,21,.35); border-radius: 8px; color: #fff7cc; background: rgba(250,204,21,.1); cursor: pointer; font-size: 11px; font-weight: 800; }
.participation-manager__trigger-entry button:hover { background: rgba(250,204,21,.18); }

.participation-manager__trigger-setting p { margin: 7px 0 0; color: #9399a6; font-size: 10px; line-height: 1.55; }

.participation-manager__theme-switch {
  display: grid;
  grid-template-columns: repeat(2, minmax(90px, 1fr));
  gap: 5px;
  padding: 4px;
  border-radius: 10px;
  background: #101116;
}

.participation-manager__theme-switch button,
.participation-manager__action,
.participation-manager__icon-button {
  border: 1px solid rgba(255,255,255,.1);
  color: #dce2ec;
  background: #20222b;
  cursor: pointer;
  transition: background .16s ease, border-color .16s ease, transform .16s ease;
}

.participation-manager__theme-switch button {
  min-height: 34px;
  padding: 0 12px;
  border-color: transparent;
  border-radius: 7px;
  font-size: 12px;
  font-weight: 800;
}

.participation-manager__theme-switch button.active {
  color: #fff;
  border-color: rgba(250,204,21,.7);
  background: rgba(250,204,21,.14);
}

.participation-manager__palette {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: -5px 0 14px;
  padding: 10px 12px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px;
  background: rgba(255,255,255,.018);
}

.participation-manager__swatch {
  width: 27px;
  height: 27px;
  padding: 0;
  border: 2px solid transparent;
  border-radius: 50%;
  background: var(--swatch);
  box-shadow: 0 2px 10px rgba(0,0,0,.25);
  cursor: pointer;
}

.participation-manager__swatch.active {
  border-color: #fff;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--swatch) 45%, transparent);
}

.participation-manager__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.participation-manager__card { min-width: 0; overflow: hidden; }
.participation-manager__card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 11px 12px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.participation-manager__card-head strong { color: #f1f5f9; font-size: 13px; }
.participation-manager__count {
  min-width: 28px;
  padding: 2px 7px;
  border-radius: 999px;
  color: #f8fafc;
  background: rgba(139,92,246,.22);
  text-align: center;
  font-size: 11px;
  font-weight: 800;
}

.participation-manager__list {
  min-height: 300px;
  max-height: 520px;
  overflow-y: auto;
  padding: 9px;
  scrollbar-width: thin;
}

.participation-manager__empty {
  display: grid;
  min-height: 110px;
  place-items: center;
  color: #757b88;
  font-size: 12px;
  text-align: center;
}

.participation-manager__person {
  margin-bottom: 8px;
  padding: 9px;
  border: 1px solid rgba(255,255,255,.075);
  border-radius: 11px;
  background: #12131a;
}

.participation-manager__person-main {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
}

.participation-manager__avatar {
  width: 34px;
  height: 34px;
  overflow: hidden;
  border: 2px solid rgba(250,204,21,.65);
  border-radius: 50%;
  background: #2a2d38;
}
.participation-manager__avatar img { width: 100%; height: 100%; object-fit: cover; }
.participation-manager__avatar-fallback { display: grid; width: 100%; height: 100%; place-items: center; color: #d1d5db; font-weight: 900; }
.participation-manager__name { overflow: hidden; color: #f3f4f6; font-size: 12px; font-weight: 800; text-overflow: ellipsis; white-space: nowrap; }
.participation-manager__order { color: #facc15; font-size: 13px; font-weight: 900; }
.participation-manager__actions { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 8px; }
.participation-manager__action { min-height: 29px; padding: 0 8px; border-radius: 7px; font-size: 10px; font-weight: 800; }
.participation-manager__action:hover { border-color: rgba(167,139,250,.55); background: #292c38; }
.participation-manager__action--primary { border-color: rgba(139,92,246,.55); color: #ede9fe; background: rgba(124,58,237,.2); }
.participation-manager__action--danger { color: #fecaca; }
.participation-manager__action[data-op="to-active"] { border-color: rgba(250,204,21,.74); color: #fff7ae; background: rgba(234,179,8,.22); }
.participation-manager__action[data-op="to-active"]:hover { border-color: rgba(253,224,71,.9); background: rgba(234,179,8,.3); }
.participation-manager__action[data-op="to-waiting"] { border-color: rgba(168,85,247,.72); color: #f3e8ff; background: rgba(126,34,206,.24); }
.participation-manager__action[data-op="to-waiting"]:hover { border-color: rgba(192,132,252,.9); background: rgba(126,34,206,.34); }
.participation-manager__icon-button { width: 29px; height: 29px; border-radius: 7px; font-weight: 900; }
.participation-manager__status { min-height: 18px; margin-top: 10px; color: #8f96a3; font-size: 11px; }
.participation-manager__status.error { color: #fca5a5; }

.participation-preview-pane { display: flex; min-width: 0; flex-direction: column; background: #101116; }
.participation-preview-stage {
  display: grid;
  height: 560px;
  min-height: 0;
  flex: 0 0 560px;
  place-items: center;
  padding: 14px;
  overflow: hidden;
  background-color: #0c0d12;
  background-image: linear-gradient(45deg,#15161d 25%,transparent 25%),linear-gradient(-45deg,#15161d 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#15161d 75%),linear-gradient(-45deg,transparent 75%,#15161d 75%);
  background-position: 0 0,0 9px,9px -9px,-9px 0;
  background-size: 18px 18px;
}
.participation-preview-stage iframe { width: min(100%, 373px); max-height: 100%; height: auto; aspect-ratio: 2 / 3; border: 0; }

@media (max-width: 1120px) {
  .participation-manager-shell { grid-template-columns: 1fr; }
  .participation-manager { border-right: 0; border-bottom: 1px solid var(--border); }
  .participation-manager__grid { grid-template-columns: 1fr; }
  .participation-manager__list { min-height: 0; max-height: 310px; }
}

@media (max-width: 620px) {
  .participation-manager { padding: 12px; }
  .participation-manager__intro { align-items: stretch; flex-direction: column; }
  .participation-preview-stage { height: 500px; min-height: 0; flex-basis: 500px; padding: 10px; }
}