/* V1 interest group chats + feedback box (groups.html, group.html, feedback.html). */
.grp-page [hidden] { display: none !important; }
.grp {
  max-width: 48rem;
  margin: 0 auto;
  padding: 1.25rem 16px 3rem;
  box-sizing: border-box;
}

.grp__title { margin: 0 0 0.5rem; font-size: 1.5rem; line-height: 1.3; color: #0f172a; }
.grp__intro { margin: 0 0 0.5rem; color: #475569; font-size: 0.9375rem; line-height: 1.6; }
.grp__age { margin: 0 0 1rem; color: #64748b; font-size: 0.8125rem; }
.grp__status { color: #64748b; font-size: 0.9375rem; }
.grp__back { display: inline-block; margin-bottom: 0.75rem; color: #1d4ed8; text-decoration: none; font-size: 0.9375rem; }

.grp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  padding: 0 1rem;
  border: 1px solid #cbd5e1;
  border-radius: 999px;
  background: #ffffff;
  color: #334155;
  font: inherit;
  font-size: 0.9375rem;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}
.grp-btn--primary { border-color: #2563eb; background: #2563eb; color: #ffffff; }
.grp-btn:disabled { opacity: 0.6; cursor: default; }

.grp-chip {
  min-height: 2.25rem;
  padding: 0 0.875rem;
  border: 1px solid #e2e8f0;
  border-radius: 999px;
  background: #ffffff;
  color: #334155;
  font: inherit;
  font-size: 0.875rem;
  cursor: pointer;
}
.grp-chip.is-active { border-color: #2563eb; background: #eff6ff; color: #1d4ed8; }

.grp-rules {
  margin: 0 0 1rem;
  padding: 0.75rem 1rem;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  background: #f8fafc;
  font-size: 0.875rem;
  color: #334155;
}
.grp-rules summary { cursor: pointer; font-weight: 600; }
.grp-rules ol { margin: 0.5rem 0 0; padding-left: 1.25rem; line-height: 1.6; }
.grp-rules__nodm { margin: 0.5rem 0 0; color: #b45309; }

.grp__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.75rem; }
@media (min-width: 640px) { .grp__list { grid-template-columns: 1fr 1fr; } }

.grp-card {
  padding: 1rem;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  background: #ffffff;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.grp-card--inactive { opacity: 0.6; }
.grp-card__head { display: flex; gap: 0.75rem; align-items: center; }
.grp-card__icon { font-size: 1.75rem; line-height: 1; }
.grp-card__name { margin: 0; font-size: 1.0625rem; color: #0f172a; }
.grp-card__meta { margin: 0.125rem 0 0; color: #64748b; font-size: 0.8125rem; }
.grp-card__desc { margin: 0; color: #475569; font-size: 0.875rem; line-height: 1.5; }
.grp-card__actions { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; margin-top: auto; }
.grp-card__joined { color: #15803d; font-size: 0.8125rem; }
.grp-card__removed { color: #b91c1c; font-size: 0.875rem; }

.grp-admin { margin-top: 2rem; padding: 1rem; border: 1px dashed #c4b5fd; border-radius: 14px; }
.grp-admin__title { margin: 0 0 0.75rem; font-size: 1.0625rem; }
.grp-admin__form { display: grid; gap: 0.5rem; }
.grp-admin__form .form-label { display: grid; gap: 0.25rem; }

/* Chat */
.chat-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 0.75rem; margin-bottom: 0.75rem; }
.chat-head__title { margin: 0; font-size: 1.375rem; color: #0f172a; }
.chat-head__meta { margin: 0.25rem 0 0; color: #64748b; font-size: 0.8125rem; }

.chat-gate { padding: 1.25rem 1rem; border: 1px solid #e2e8f0; border-radius: 14px; text-align: center; display: grid; gap: 0.75rem; justify-items: center; color: #334155; }
.chat-gate p { margin: 0; }

.chat-room { display: flex; flex-direction: column; border: 1px solid #e2e8f0; border-radius: 14px; background: #ffffff; overflow: hidden; }
.chat-live { margin: 0; padding: 0.5rem 1rem; background: #fef3c7; color: #92400e; font-size: 0.8125rem; }
.chat-earlier { border: 0; border-bottom: 1px solid #f1f5f9; background: #f8fafc; color: #1d4ed8; font: inherit; font-size: 0.8125rem; padding: 0.5rem; cursor: pointer; }
.chat-list {
  list-style: none;
  margin: 0;
  padding: 0.75rem;
  height: min(60vh, 34rem);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  overscroll-behavior: contain;
}
.chat-empty { margin: auto; color: #94a3b8; font-size: 0.875rem; }

.chat-msg { max-width: 85%; align-self: flex-start; }
.chat-msg--mine { align-self: flex-end; text-align: right; }
.chat-msg__meta { display: flex; gap: 0.5rem; font-size: 0.75rem; color: #64748b; margin-bottom: 0.125rem; }
.chat-msg--mine .chat-msg__meta { justify-content: flex-end; }
.chat-msg__name { font-weight: 600; color: #334155; }
.chat-msg--official .chat-msg__name { color: #2563eb; }
.chat-msg__body {
  margin: 0;
  display: inline-block;
  padding: 0.5rem 0.75rem;
  border-radius: 14px;
  background: #f1f5f9;
  color: #0f172a;
  font-size: 0.9375rem;
  line-height: 1.5;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  text-align: left;
}
.chat-msg--mine .chat-msg__body { background: #ede9fe; }
.chat-msg--official .chat-msg__body { background: #eff6ff; border: 1px solid #ddd6fe; }
.chat-msg__body--deleted { background: transparent; color: #94a3b8; font-style: italic; padding-left: 0; }
.chat-msg__actions { display: flex; flex-wrap: wrap; gap: 0.25rem 0.75rem; margin-top: 0.125rem; }
.chat-msg--mine .chat-msg__actions { justify-content: flex-end; }
.chat-msg__act { border: 0; background: none; padding: 0.25rem 0; color: #64748b; font: inherit; font-size: 0.75rem; cursor: pointer; min-height: 1.75rem; }
.chat-msg__act--danger { color: #b91c1c; }

.chat-form { display: flex; gap: 0.5rem; padding: 0.625rem; border-top: 1px solid #e2e8f0; align-items: flex-end; }
.chat-form__input {
  flex: 1;
  min-height: 2.5rem;
  max-height: 8rem;
  resize: vertical;
  padding: 0.5rem 0.75rem;
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  font: inherit;
  font-size: 1rem;
  box-sizing: border-box;
}

/* Feedback */
.fb-form { display: grid; gap: 0.5rem; margin-bottom: 1.5rem; }
.fb-form__privacy { margin: 0; color: #b45309; font-size: 0.8125rem; }
.fb-form .grp-btn { justify-self: start; }
.fb-mine__title { font-size: 1.0625rem; margin: 0 0 0.5rem; }
.fb-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.75rem; }
.fb-item { padding: 0.875rem 1rem; border: 1px solid #e2e8f0; border-radius: 12px; background: #ffffff; }
.fb-item__meta { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; font-size: 0.75rem; color: #64748b; }
.fb-item__body { margin: 0.5rem 0 0; white-space: pre-wrap; overflow-wrap: anywhere; color: #0f172a; font-size: 0.9375rem; line-height: 1.55; }
.fb-item__reply { margin-top: 0.75rem; padding: 0.625rem 0.75rem; border-left: 3px solid #2563eb; background: #eff6ff; border-radius: 0 8px 8px 0; font-size: 0.9375rem; }
.fb-item__reply p { margin: 0.25rem 0 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.fb-badge { padding: 0.125rem 0.5rem; border-radius: 999px; background: #e2e8f0; color: #334155; font-weight: 600; }
.fb-badge--open { background: #fef3c7; color: #92400e; }
.fb-badge--replied { background: #dcfce7; color: #166534; }
.fb-filter { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.75rem; }
.fb-reply { display: grid; gap: 0.5rem; margin-top: 0.75rem; }
.fb-reply__actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }

/* Public Q&A board (PO 2026-10-20) */
.fb-form { padding: 1rem; border: 1px solid #d9e3f0; border-radius: 16px; background: #ffffff; box-shadow: 0 8px 24px rgba(30, 64, 175, 0.06); }
.fb-form__images { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; }
.fb-form__hint { font-size: 0.75rem; color: #64748b; }
.fb-thumbs { display: flex; gap: 0.5rem; width: 100%; }
.fb-thumbs:empty { display: none; }
.fb-thumb { position: relative; width: 4.5rem; height: 4.5rem; border-radius: 10px; overflow: hidden; border: 1px solid #e2e8f0; }
.fb-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.fb-thumb__x { position: absolute; top: 2px; right: 2px; width: 1.5rem; height: 1.5rem; border: 0; border-radius: 50%; background: rgba(15, 23, 42, 0.7); color: #fff; font-size: 0.875rem; line-height: 1; cursor: pointer; }
.fb-form__vis { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; margin: 0; padding: 0; border: 0; font-size: 0.875rem; color: #334155; }
.fb-form__vis label { display: inline-flex; align-items: center; gap: 0.375rem; cursor: pointer; }
.fb-item__author { color: #0f172a; font-size: 0.8125rem; }
.fb-badge--private { background: #f1f5f9; color: #475569; }
.fb-badge--official { background: #dbeafe; color: #1d4ed8; }
.fb-images { display: flex; gap: 0.5rem; margin-top: 0.625rem; flex-wrap: wrap; }
.fb-images__item { width: 6rem; height: 6rem; border-radius: 10px; overflow: hidden; border: 1px solid #e2e8f0; }
.fb-images__item img { width: 100%; height: 100%; object-fit: cover; display: block; }
.fb-item__foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.5rem; margin-top: 0.75rem; }
.fb-item__toggle { border: 0; background: none; padding: 0; color: #2563eb; font: inherit; font-size: 0.875rem; font-weight: 600; cursor: pointer; }
.fb-acts { display: inline-flex; flex-wrap: wrap; gap: 0.25rem 0.75rem; }
.fb-act { border: 0; background: none; padding: 0; color: #64748b; font: inherit; font-size: 0.8125rem; cursor: pointer; }
.fb-act:hover { color: #0f172a; }
.fb-thread { margin-top: 0.75rem; padding-top: 0.75rem; border-top: 1px solid #eef2f7; display: grid; gap: 0.625rem; }
.fb-thread__status { margin: 0; color: #64748b; font-size: 0.875rem; }
.fb-thread__login { color: #2563eb; font-size: 0.875rem; }
.fb-answer { padding: 0.625rem 0.75rem; border-radius: 10px; background: #f8fafc; }
.fb-answer--official { background: #eff6ff; border-left: 3px solid #2563eb; }
.fb-answer__meta { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; font-size: 0.75rem; color: #64748b; }
.fb-answer__meta strong { color: #0f172a; }
.fb-answer__body { margin: 0.25rem 0 0.375rem; white-space: pre-wrap; overflow-wrap: anywhere; font-size: 0.9375rem; line-height: 1.55; }
.fb-reply { grid-template-columns: 1fr auto; align-items: end; }