:root {
  --comment-accent: #2667d8;
  --comment-accent-soft: rgba(38, 103, 216, 0.12);
  --comment-surface: rgba(255, 255, 255, 0.78);
  --comment-surface-strong: rgba(255, 255, 255, 0.92);
  --comment-border: rgba(30, 41, 59, 0.12);
  --comment-shadow: 0 20px 45px rgba(15, 23, 42, 0.10);
}

[data-theme='dark'] {
  --comment-accent: #7db5ff;
  --comment-accent-soft: rgba(125, 181, 255, 0.16);
  --comment-surface: rgba(17, 24, 39, 0.82);
  --comment-surface-strong: rgba(15, 23, 42, 0.92);
  --comment-border: rgba(148, 163, 184, 0.18);
  --comment-shadow: 0 20px 45px rgba(2, 6, 23, 0.35);
}

#post-comment {
  position: relative;
  margin-top: 2rem;
  padding: 1.35rem;
  border: 1px solid var(--comment-border);
  border-radius: 28px;
  background:
    radial-gradient(circle at top right, rgba(38, 103, 216, 0.12), transparent 42%),
    linear-gradient(180deg, var(--comment-surface-strong), var(--comment-surface));
  box-shadow: var(--comment-shadow);
  backdrop-filter: blur(14px);
}

#post-comment .comment-head {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.2rem;
  flex-wrap: wrap;
}

#post-comment .comment-headline {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

#post-comment .comment-switch {
  position: absolute;
  top: 1rem;
  right: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.42rem 0.85rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid var(--comment-border);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

#post-comment .comment-switch .first-comment,
#post-comment .comment-switch .second-comment {
  min-width: 4.8rem;
  text-align: center;
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.2;
}

#post-comment #switch-btn {
  min-width: 0;
  width: 42px;
  height: 22px;
  margin: 0;
  padding: 0;
  border-radius: 34px;
  background: linear-gradient(135deg, var(--comment-accent), #5d8eff);
  box-shadow: 0 8px 20px rgba(38, 103, 216, 0.22);
}

[data-theme='dark'] #post-comment .comment-switch {
  background: rgba(15, 23, 42, 0.72);
}

#post-comment .comment-wrap > div {
  border-radius: 22px;
  border: 1px solid var(--comment-border);
  background: var(--comment-surface);
  padding: 0.85rem;
}

#post-comment #giscus-wrap,
#post-comment #artalk-wrap {
  min-height: 12rem;
}

#post-comment .atk-main-editor,
#post-comment .atk-editor,
#post-comment .atk-comment,
#post-comment .atk-list,
#post-comment .atk-dropdown,
#post-comment .atk-layer-wrap {
  border-radius: 18px;
}

#post-comment .atk-main-editor,
#post-comment .atk-editor {
  border: 1px solid var(--comment-border);
  box-shadow: none;
}

#post-comment .atk-main-editor,
#post-comment .atk-editor,
#post-comment .atk-comment-wrap {
  background: transparent;
}

#post-comment .atk-send-btn,
#post-comment .atk-cancel-btn {
  border-radius: 999px;
}

@media (max-width: 768px) {
  #post-comment {
    padding: 1rem;
    border-radius: 24px;
  }

  #post-comment .comment-switch {
    position: static;
    width: 100%;
    justify-content: center;
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  #post-comment .comment-switch .first-comment,
  #post-comment .comment-switch .second-comment {
    min-width: 0;
    flex: 1;
  }
}