.retention-save-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border: 1px solid var(--line,#d1d5db);
  border-radius: 999px;
  color: #111;
  background: #fff;
  cursor: pointer;
}
.retention-save-button.is-saved { color: #fff; border-color: #111; background: #111; }
.retention-save-button.is-compact { width: 42px; padding: 0; }
.retention-follow-button.is-followed { color: #fff; background: #111; }

.member-retention-section { margin-top: 1rem; padding: clamp(.85rem,2vw,1.25rem); }
.retention-panel-head {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(180px,.52fr);
  gap: 1rem;
  align-items: end;
}
.retention-panel-head h3 {
  max-width: 12em;
  margin: .25rem 0 0;
  font-size: clamp(1.45rem,3vw,2.3rem);
  line-height: .96;
  letter-spacing: -.055em;
}
.retention-panel-head > p { margin: 0; color: var(--taupe,#687080); font-size: .78rem; line-height: 1.45; }
.retention-create { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: .5rem; margin: 1rem 0; }
.retention-create input { min-width: 0; min-height: 40px; padding: .55rem .7rem; font-size: .8rem; }
.retention-create .button-outline { min-height: 40px; padding: .55rem .75rem; font-size: .72rem; }

.retention-collections { display: grid; gap: .55rem; }
.retention-collection { overflow: hidden; border: 1px solid var(--line,#d1d5db); border-radius: 12px; background: #fff; }
.retention-collection > summary {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .75rem .9rem;
  list-style: none;
  cursor: pointer;
}
.retention-collection > summary::-webkit-details-marker { display: none; }
.retention-collection > summary:hover { background: #fafafa; }
.retention-collection > summary:focus-visible { outline: 2px solid var(--clay,#f7bd24); outline-offset: -2px; }
.retention-collection > summary > span:first-child { min-width: 0; display: grid; gap: .18rem; }
.retention-collection > summary strong { overflow: hidden; font-size: .95rem; text-overflow: ellipsis; white-space: nowrap; }
.retention-collection-meta { display: grid; grid-template-columns: auto auto 24px; align-items: center; gap: .3rem; color: var(--taupe,#687080); }
.retention-collection-meta b { color: #111; font: 600 .75rem/1 var(--mono,"JetBrains Mono",monospace); }
.retention-collection-meta small { font: 500 .58rem/1 var(--mono,"JetBrains Mono",monospace); text-transform: uppercase; }
.retention-chevron { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.7; transition: transform .18s ease; }
.retention-collection[open] > summary { border-bottom: 1px solid var(--line,#d1d5db); }
.retention-collection[open] .retention-chevron { transform: rotate(180deg); }
.retention-collection-body { padding: 0 .9rem .8rem; }
.retention-collection ul,.retention-summary ul { list-style: none; margin: 0; padding: 0; }

.retention-item {
  display: grid;
  grid-template-columns: minmax(0,1fr) auto;
  align-items: center;
  gap: .65rem;
  padding: .55rem 0;
  border-bottom: 1px solid var(--line,#e5e7eb);
}
.retention-item:last-child { border-bottom: 0; }
.retention-item-main {
  min-width: 0;
  display: grid;
  grid-template-columns: 48px minmax(0,1fr) 24px;
  align-items: center;
  gap: .65rem;
  padding: 0;
  border: 0;
  color: #111;
  background: transparent;
  text-align: left;
  cursor: pointer;
}
.retention-item-main:hover strong { text-decoration: underline; text-underline-offset: 3px; }
.retention-item-main:focus-visible { outline: 2px solid var(--clay,#f7bd24); outline-offset: 3px; border-radius: 5px; }
.retention-item-media { width: 48px; height: 48px; overflow: hidden; display: grid; place-items: center; border-radius: 7px; color: #fff; background: #242220; font: 600 .7rem/1 var(--mono,"JetBrains Mono",monospace); }
.retention-item-media img { width: 100%; height: 100%; display: block; object-fit: cover; }
.retention-item-copy { min-width: 0; display: grid; gap: .16rem; }
.retention-item-copy > span,.retention-summary li span { color: var(--taupe,#687080); font: 500 .56rem/1.2 var(--mono,"JetBrains Mono",monospace); letter-spacing: .05em; }
.retention-item-copy strong { overflow: hidden; font-size: .78rem; line-height: 1.25; text-overflow: ellipsis; white-space: nowrap; }
.retention-action-icon { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.retention-item-main > .retention-action-icon { color: var(--taupe,#687080); }
.retention-item-actions { display: flex; align-items: center; gap: .3rem; }
.retention-item-actions select { width: 124px; min-height: 34px; padding: .38rem .45rem; border: 1px solid var(--line,#d1d5db); border-radius: 7px; color: #111; background: #fff; font-size: .68rem; }
.retention-icon-button {
  width: 34px;
  min-width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line,#d1d5db);
  border-radius: 50%;
  color: #111;
  background: #fff;
  cursor: pointer;
}
.retention-icon-button:hover { color: #fff; border-color: #111; background: #111; }
.retention-icon-button.is-danger:hover { border-color: #b42318; background: #b42318; }
.retention-icon-button:focus-visible { outline: 2px solid var(--clay,#f7bd24); outline-offset: 2px; }
.retention-empty { margin: .8rem 0 .1rem; color: var(--taupe,#687080); font-size: .76rem; }
.retention-more-button,.retention-delete-collection {
  margin-top: .55rem;
  padding: .4rem 0;
  border: 0;
  color: #111;
  background: transparent;
  font: 600 .61rem/1.2 var(--mono,"JetBrains Mono",monospace);
  letter-spacing: .035em;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}
.retention-delete-collection { float: right; color: #b42318; }

.retention-summary { display: grid; grid-template-columns: 1fr 1fr; gap: .55rem; margin-top: .55rem; }
.retention-summary article { min-width: 0; border: 1px solid var(--line,#d1d5db); border-radius: 12px; padding: .8rem; }
.retention-summary article > p { margin: .55rem 0 0; font-size: .76rem; line-height: 1.4; }
.retention-summary li { display: grid; gap: .1rem; padding: .42rem 0; border-bottom: 1px solid var(--line,#e5e7eb); }
.retention-summary li:last-child { border-bottom: 0; }
.retention-summary li strong { overflow: hidden; font-size: .72rem; text-overflow: ellipsis; white-space: nowrap; }

@media (max-width:700px) {
  .member-retention-section { padding: .7rem; }
  .retention-panel-head,.retention-summary { grid-template-columns: 1fr; }
  .retention-panel-head h3 { font-size: 1.55rem; }
  .retention-panel-head > p { font-size: .72rem; }
  .retention-create { grid-template-columns: minmax(0,1fr) auto; }
  .retention-create .button-outline { padding-inline: .65rem; }
  .retention-collection > summary { min-height: 58px; padding: .65rem .7rem; }
  .retention-collection-body { padding: 0 .7rem .65rem; }
  .retention-item { grid-template-columns: minmax(0,1fr) auto; gap: .35rem; padding: .45rem 0; }
  .retention-item-main { grid-template-columns: 42px minmax(0,1fr) 18px; gap: .5rem; }
  .retention-item-media { width: 42px; height: 42px; }
  .retention-item-copy strong { font-size: .72rem; }
  .retention-item-actions.has-copy { grid-column: 1/-1; justify-self: end; }
  .retention-item-actions select { width: min(124px,42vw); }
  .retention-icon-button { width: 32px; min-width: 32px; height: 32px; }
}

@media (max-width:380px) {
  .retention-create { grid-template-columns: 1fr; }
  .retention-item-main > .retention-action-icon { display: none; }
  .retention-item-main { grid-template-columns: 40px minmax(0,1fr); }
}

@media (prefers-reduced-motion:reduce) {
  .retention-chevron { transition: none; }
}