/* ============ Comments ============ */
.comments {
  max-width: 780px;
  margin: 34px auto 0;
}
.comments {
  --comments-preview-height: 240px;
  padding: 24px 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius, 14px);
  box-shadow: var(--shadow-sm);
}
.comments .section-title { margin-top: 0; }

.comments-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}
.comments-head .section-title { flex: 1 1 auto; min-width: 0; margin: 0; }
.comments-list-wrap { position: relative; }
.js .comments-list-wrap.is-collapsible {
  max-height: var(--comments-preview-height, 240px);
  overflow: hidden;
  transition: max-height 0.45s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.js .comments-list-wrap.is-collapsible::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 64px;
  pointer-events: none;
  background: linear-gradient(to bottom, transparent, var(--surface) 90%);
  opacity: 1;
  transition: opacity 0.25s ease;
}
.js .comments-list-wrap.is-collapsible.is-expanded {
  max-height: var(--comments-expanded-height, 4000px);
}
.js .comments-list-wrap.is-collapsible.is-expanded::after { opacity: 0; }
.comments-more { display: none; justify-content: center; margin: 0 0 18px; }
.js .comments-more:not([hidden]) { display: flex; }
.comments.is-replying .comments-more { display: none; }
.comments-more-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 7px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink-2);
  font-family: inherit;
  font-size: 0.74rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background-color 0.2s;
}
.comments-more-toggle svg { flex: none; transition: transform 0.3s ease; }
.comments-more-toggle[aria-expanded="true"] svg { transform: rotate(180deg); }
@media (hover: hover) and (pointer: fine) {
  .comments-more-toggle:hover { border-color: var(--accent); color: var(--accent); }
}

.comment-list { list-style: none; margin: 0 0 20px; padding: 0; }
.comment-item { margin: 0; padding: 14px 0; }
.comment-list > .comment-item:first-child { padding-top: 0; }
.comment-list > .comment-item + .comment-item { border-top: 1px solid var(--border); }
.comment-body { display: flex; align-items: flex-start; gap: 11px; }
.comment-avatar {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--accent-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
}
.comment-content { flex: 1; min-width: 0; }
.comment-head { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; margin-bottom: 3px; line-height: 1.25; }
.comment-author { color: var(--ink-1); font-weight: 700; font-size: 0.9rem; }
.comment-date { color: var(--ink-3); font-size: 0.72rem; }
.comment-you {
  font-size: 0.58rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 1px 6px;
}
.comment-text-wrap { margin: 0; }
.comment-text { color: var(--ink-2); font-size: 0.9rem; line-height: 1.55; margin: 0; word-break: break-word; }
.js .comment-text.is-clamped:not(.is-expanded) {
  max-height: 9.3em;
  overflow: hidden;
}
.comment-text-toggle {
  display: none;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--accent);
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
}
.js .comment-text-wrap.has-more .comment-text-toggle { display: inline-flex; }
.comment-text-toggle svg { flex: none; transition: transform 0.25s ease; }
.comment-text-wrap.is-expanded .comment-text-toggle svg { transform: rotate(180deg); }
@media (hover: hover) and (pointer: fine) {
  .comment-text-toggle:hover { text-decoration: underline; }
}
.comment-actions { display: flex; align-items: center; gap: 12px; margin-top: 5px; }
.comment-reply,
.comment-edit {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  font-family: inherit;
}
.comment-edit { margin-left: 0; }
@media (hover: hover) and (pointer: fine) {
  .comment-reply:hover,
  .comment-edit:hover { text-decoration: underline; }
}
.comment-text-wrap .comment-edit-form { margin-top: 8px; }
.comment-edit-form textarea {
  width: 100%;
  padding: 9px 11px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: var(--bg-soft);
  color: var(--ink-1);
  font-family: inherit;
  font-size: 0.88rem;
  resize: vertical;
}
.comment-edit-form textarea:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent);
}
.comment-edit-actions { display: flex; gap: 6px; margin-top: 6px; }

.comment-replies {
  list-style: none;
  margin: 10px 0 0 43px;
  padding: 0 0 0 12px;
  border-left: 2px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0;
}
.comment-replies > .comment-item { padding: 10px 0; }
.comment-replies > .comment-item:first-child { padding-top: 0; }

.comment-form-wrap {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
}
.comment-form-wrap.is-reply {
  margin: 10px 0 6px 43px;
  border-color: color-mix(in srgb, var(--accent) 38%, var(--border));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 8%, transparent);
}
.comment-form-wrap.is-reply .comment-form-note { display: none; }
.comment-form-title { font-family: var(--font-display); font-size: 1.05rem; color: var(--ink-1); margin: 0 0 3px; }
.comment-form-note { color: var(--ink-3); font-size: 0.78rem; margin: 0 0 12px; }
.comment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px 12px;
  margin-bottom: 10px;
}
.comment-form .field { margin: 0; }
.comment-grid .field { margin: 0; }
.comment-form .field label { display: block; font-size: 0.75rem; color: var(--ink-2); margin-bottom: 4px; font-weight: 600; }
.comment-form .field input,
.comment-form .field textarea {
  width: 100%;
  min-height: 38px;
  padding: 9px 11px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: var(--bg-soft);
  color: var(--ink-1);
  font-family: inherit;
  font-size: 0.88rem;
  resize: vertical;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.comment-form .field textarea { min-height: 88px; }
.comment-form .field input:focus-visible,
.comment-form .field textarea:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent);
}
.comment-form .field-error { display: block; color: var(--danger); font-size: 0.74rem; margin-top: 4px; }
.comment-form-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.comment-form-actions .btn { min-height: 36px; padding: 7px 16px; font-size: 0.82rem; }

/* Honeypot: visually hidden, only bots see it */
.comment-hp {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
  pointer-events: none;
}

@media (min-width: 641px) {
  body.article-layout-wide .comments { max-width: 900px; }
  body.article-layout-sidebar .comments { max-width: none; }
}

@media (max-width: 640px) {
  .comments { --comments-preview-height: 168px; padding: 13px 12px; border-radius: 10px; }
  .comments { margin-top: 22px; }
  .comments-head { gap: 8px; margin-bottom: 14px; }
  .comments-head .section-title { font-size: 1.05rem; gap: 8px; }
  .js .comments-list-wrap.is-collapsible::after { height: 48px; }
  .comments-more { margin-bottom: 10px; }
  .comments-more-toggle { padding: 5px 12px; font-size: 0.7rem; }
  .comment-list { margin-bottom: 12px; }
  .comment-item { padding: 9px 0; }
  .comment-body { gap: 8px; }
  .comment-avatar { width: 24px; height: 24px; font-size: 0.7rem; }
  .comment-head { gap: 5px; margin-bottom: 2px; }
  .comment-author { font-size: 0.84rem; }
  .comment-date { font-size: 0.68rem; }
  .comment-you { font-size: 0.58rem; padding: 1px 5px; }
  .comment-text { font-size: 0.84rem; line-height: 1.5; }
  .js .comment-text.is-clamped:not(.is-expanded) { max-height: 6em; }
  .comment-text-toggle { margin-top: 2px; font-size: 0.72rem; }
  .comment-actions { gap: 10px; margin-top: 3px; }
  .comment-reply,
  .comment-edit { font-size: 0.72rem; }
  .comment-replies { margin: 8px 0 0 6px; padding-left: 8px; }
  .comment-replies > .comment-item { padding: 8px 0; }
  .comment-form-wrap { padding: 11px 10px; border-radius: 9px; }
  .comment-form-wrap.is-reply { margin: 9px 0 4px; }
  .comment-form-title { font-size: 0.95rem; }
  .comment-form-note { font-size: 0.73rem; margin-bottom: 8px; }
  .comment-grid { grid-template-columns: 1fr; gap: 6px; margin-bottom: 8px; }
  .comment-form .field input,
  .comment-form .field textarea { min-height: 40px; padding: 8px 10px; font-size: 16px; }
  .comment-form .field textarea { min-height: 76px; }
  .comment-form-actions { flex-direction: row; align-items: center; flex-wrap: wrap; gap: 6px; margin-top: 9px; }
  .comment-form-actions .btn { width: auto; flex: 1 1 auto; min-height: 40px; padding: 7px 12px; }
  #comment-cancel { flex: 0 0 auto; }
  .comment-edit-form textarea { font-size: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .comments-list-wrap,
  .comments-more-toggle,
  .comments-more-toggle svg,
  .comment-text-toggle,
  .comment-text-toggle svg,
  .comment-form .field input,
  .comment-form .field textarea { transition: none; }
}