/*
 * Guestbook site-wide comment feed.
 * Thread cards and reply surfaces use existing --lc-surface / --lc-glass tokens,
 * which already switch under html[data-lc-color-scheme="dark"].
 * Button rules live here because project.css (global .lc-btn-tech) is not loaded
 * on this page.
 */

.lc-guestbook-page__body {
  display: grid;
  gap: 1.25rem;
}

.lc-guestbook-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
}

.lc-guestbook-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.lc-guestbook-filters .lc-chip.is-active,
.lc-guestbook-filters .lc-chip[aria-current="page"] {
  color: #fff;
  background: linear-gradient(120deg, var(--lc-primary), var(--lc-primary-soft));
  box-shadow: 0 4px 14px var(--lc-primary-glow);
}

.lc-guestbook-feed__meta {
  margin: 0;
  font-family: var(--lc-font-mono);
  font-size: 0.8125rem;
  color: var(--lc-neutral);
}

.lc-guestbook-page .lc-threads {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.lc-guestbook-page .lc-thread {
  list-style: none;
  margin: 0;
  padding: 1rem;
  background: transparent;
  border: 1px solid var(--lc-border-divider);
  border-radius: 14px;
  box-shadow: none;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.lc-guestbook-page .lc-thread:hover {
  border-color: var(--lc-primary);
  box-shadow: 0 0 0 1px var(--lc-primary);
}

.lc-guestbook-page .lc-thread > .lc-comment-feed__item .lc-comment-tech__body {
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.lc-guestbook-page .lc-thread > .lc-comment-feed__item .lc-comment-tech__body:hover {
  border-color: transparent;
  box-shadow: none;
}

.lc-guestbook-page .lc-thread__replies {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0 0 0 1.5rem;
  border-left: 2px solid var(--lc-border);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.lc-guestbook-page .lc-thread__replies .lc-comment-tech__body {
  padding: 1rem;
  background: var(--lc-surface-low);
  border: 1px solid var(--lc-border-divider);
  border-radius: 14px;
  box-shadow: none;
}

.lc-guestbook-page .lc-comment-tech--reply .lc-comment-tech__avatar-wrap,
.lc-guestbook-page .lc-comment-tech--reply .lc-comment-tech__avatar-wrap .lc-avatar,
.lc-guestbook-page .lc-comment-feed__avatar-wrap--sm,
.lc-guestbook-page .lc-comment-feed__avatar-wrap--sm .lc-avatar,
.lc-guestbook-page .lc-comment-tech--reply .lc-comment-tech__avatar,
.lc-guestbook-page .lc-comment-feed__avatar-wrap--sm .lc-comment-tech__avatar {
  width: 40px;
  height: 40px;
  border-radius: 12px;
}

.lc-guestbook-page .lc-comment-feed__source {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.6rem;
  margin-top: 0.35rem;
  min-width: 0;
}

.lc-guestbook-page .lc-comment-feed__type {
  display: inline-flex;
  align-items: center;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  background: var(--lc-chip-bg);
  border: 1px solid var(--lc-border);
  font-family: var(--lc-font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--lc-primary);
}

.lc-guestbook-page .lc-comment-feed__source-link,
.lc-guestbook-page .lc-comment-feed__source-missing {
  min-width: 0;
  font-family: var(--lc-font-mono);
  font-size: 0.75rem;
  color: var(--lc-neutral);
}

.lc-guestbook-page .lc-comment-feed__source-link {
  color: var(--lc-primary);
  text-decoration: none;
}

.lc-guestbook-page .lc-comment-feed__source-link:hover {
  text-decoration: underline;
}

.lc-guestbook-page .lc-comment-feed__reply-prefix {
  margin-right: 0.25rem;
  font-weight: 600;
  color: var(--lc-primary);
  text-decoration: none;
}

.lc-guestbook-page .lc-comment-feed__reply-form[hidden] {
  display: none;
}

.lc-guestbook-page .lc-comment-feed__reply-form.is-open {
  display: block;
}

.lc-guestbook-page .lc-comment-form-tech__row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
}

.lc-guestbook-page .lc-comment-feed__item.is-highlighted {
  outline: 2px solid var(--lc-primary);
  outline-offset: 4px;
  border-radius: 12px;
}

.lc-guestbook-page .lc-guestbook-empty,
.lc-guestbook-page .lc-guestbook-compose {
  margin-top: 0;
}

.lc-guestbook-page .lc-guestbook-compose .lc-comments-tech__respond {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.lc-guestbook-pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.lc-guestbook-page .lc-btn-tech {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0.875rem 1.5rem;
  border: 1px solid transparent;
  border-radius: 0.75rem;
  background: var(--lc-primary);
  color: #fff;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 4px 20px var(--lc-primary-glow);
}

.lc-guestbook-page .lc-btn-tech--secondary {
  background: var(--lc-surface);
  color: var(--lc-on-surface);
  border-color: var(--lc-border);
  box-shadow: none;
}

.lc-guestbook-page .lc-btn-tech:hover {
  color: #fff;
  box-shadow: 0 6px 24px var(--lc-primary-glow);
}

.lc-guestbook-page .lc-btn-tech--secondary:hover {
  background: var(--lc-elevated);
  color: var(--lc-on-surface);
  box-shadow: none;
}

.lc-guestbook-page .lc-btn-tech:focus-visible,
.lc-guestbook-page .lc-comment-feed__reply:focus-visible,
.lc-guestbook-filters .lc-chip:focus-visible {
  outline: 2px solid var(--lc-focus-ring);
  outline-offset: 2px;
}

@media (max-width: 767px) {
  .lc-guestbook-page .lc-thread {
    padding: 1rem;
  }

  .lc-guestbook-page .lc-thread__replies {
    padding-left: 0.75rem;
  }

  .lc-guestbook-page .lc-comment-tech__avatar-wrap,
  .lc-guestbook-page .lc-comment-tech__avatar-wrap .lc-avatar,
  .lc-guestbook-page .lc-comment-tech__avatar {
    width: 44px;
    height: 44px;
  }
}