/* ═══════════════════════════════════════
   CORE.CSS — 변수 + 리셋
═══════════════════════════════════════ */
:root {
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --bg:          #f0f0ec;
  --bg2:         #e8e8e4;
  --card:        #f4f4f0;
  --card-hover:  #ececea;
  --border:      #d0d0ca;
  --border2:     #c0c0b8;
  --ink:         #1e1e1c;
  --ink2:        #3a3a38;
  --ink3:        #686864;
  --accent:      #4a7060;
  --accent2:     #3a5a4e;
  --accent-bg:   rgba(74,112,96,0.08);
  --tag-bg:      #4a7060;
  --tag-color:   #f0f0ec;
  --tag2-color:  #4a7060;
  --nav-bg:      #1e1e1c;
  --nav-color:   #e8e8e4;
  --red:         #e05555;
}

[data-theme="dark"] {
  --bg:          #222228;
  --bg2:         #1a1a20;
  --card:        #2a2a32;
  --card-hover:  #303038;
  --border:      #38383e;
  --border2:     #44444c;
  --ink:         #e8eaf0;
  --ink2:        #a8b0c0;
  --ink3:        #606878;
  --accent:      #7088b8;
  --accent2:     #8898c8;
  --accent-bg:   rgba(112,136,184,0.08);
  --tag-bg:      #7088b8;
  --tag-color:   #181820;
  --tag2-color:  #7088b8;
  --nav-bg:      #14141a;
  --nav-color:   #c8cad8;
  --red:         #e05555;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

html { overflow-y: scroll; scrollbar-width: none; }
html::-webkit-scrollbar { display: none; }

body {
  user-select: none;
  -webkit-user-select: none;
}



/* ── 글 하단 (article-bottom) ── */
.article-bottom {
  margin-top: 3rem;
  border-top: 1px solid var(--border2);
}

.heart-section {
  padding: 2.5rem 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid var(--border2);
}

.heart-btn {
  background: none;
  border: 1.5px solid var(--border2);
  border-radius: 50%;
  width: 3.5rem;
  height: 3.5rem;
  font-size: 1.375rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  color: var(--ink2);
}
.heart-btn:hover  { border-color: var(--accent); color: var(--accent); transform: scale(1.08); }
.heart-btn.active { border-color: var(--accent); color: var(--accent); }

.heart-count {
  font-size: 0.6875rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink2);
  transition: color var(--transition);
}

.series-nav {
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--border2);
}

.series-nav-label {
  font-size: 0.625rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink2);
  text-align: center;
  margin-bottom: 1.25rem;
  transition: color var(--transition);
}

.series-nav-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
}

.nav-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.875rem 1rem;
  border: 1px solid var(--border2);
  border-radius: 0.375rem;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}
.nav-item:hover    { border-color: var(--accent); background: var(--bg2); }
.nav-item.disabled { opacity: 0.35; pointer-events: none; }
.nav-item.prev     { text-align: left; }
.nav-item.next     { text-align: right; }

.nav-direction {
  font-size: 0.5625rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink2);
  transition: color var(--transition);
}

.nav-title {
  font-size: 0.8125rem;
  color: var(--ink);
  line-height: 1.4;
  font-weight: 600;
  transition: color var(--transition);
}

.nav-subtitle {
  font-size: 0.75rem;
  color: var(--ink2);
  transition: color var(--transition);
}

.nav-divider {
  font-size: 0.75rem;
  color: var(--border2);
  text-align: center;
}

/* ── 댓글 섹션 ── */
.comment-section {
  margin-top: 2.5rem;
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--border2);
}

.comment-section-label {
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color var(--transition);
}
.comment-section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border2);
  transition: background var(--transition);
}

.comment-count {
  color: var(--ink3);
  font-weight: 400;
}

/* ── 댓글 목록 ── */
.comment-empty {
  font-size: 0.8125rem;
  color: var(--ink3);
  padding: 1.5rem 0;
  text-align: center;
}

.comment-item {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.comment-item.reply {
  padding-left: 1.5rem;
  background: var(--bg2);
  border-radius: 2px;
  padding: 0.875rem 1rem 0.875rem 1.5rem;
  margin-bottom: 0.25rem;
  border-bottom: none;
  border-left: 2px solid var(--border2);
}

.comment-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.reply-mark {
  color: var(--accent);
  font-size: 0.875rem;
}

.comment-nick {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ink);
}

.comment-date {
  font-size: 0.6875rem;
  color: var(--ink3);
  letter-spacing: 0.05em;
}

.comment-body {
  font-size: 0.875rem;
  color: var(--ink2);
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
  margin-bottom: 0.625rem;
}

.comment-footer {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.comment-like-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.75rem;
  color: var(--ink3);
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  border-radius: 2px;
  transition: color 0.2s, background 0.2s;
  font-family: inherit;
}

.comment-like-btn:hover {
  color: var(--accent);
  background: var(--accent-bg);
}

.comment-like-btn.liked {
  color: var(--accent);
}

/* ── 댓글 작성 폼 ── */
.comment-form-wrap {
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.comment-form-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.625rem;
}

.comment-input {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border2);
  border-radius: 2px;
  background: var(--bg);
  color: var(--ink);
  font-size: 0.8125rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

.comment-input:focus {
  border-color: var(--accent);
}

.comment-input::placeholder {
  color: var(--ink3);
}

.comment-textarea {
  flex: 1;
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--border2);
  border-radius: 2px;
  background: var(--bg);
  color: var(--ink);
  font-size: 0.8125rem;
  font-family: inherit;
  outline: none;
  resize: vertical;
  min-height: 5rem;
  line-height: 1.6;
  transition: border-color 0.2s;
}

.comment-textarea:focus {
  border-color: var(--accent);
}

.comment-textarea::placeholder {
  color: var(--ink3);
}

/* 허니팟 숨김 */
.comment-hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
  tabindex: -1;
}

.comment-form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.comment-char-count {
  font-size: 0.6875rem;
  color: var(--ink3);
}

.comment-submit-btn {
  padding: 0.5rem 1.25rem;
  background: var(--accent);
  color: var(--tag-color);
  border: none;
  border-radius: 2px;
  font-size: 0.8125rem;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s;
}

.comment-submit-btn:hover:not(:disabled) {
  background: var(--accent2);
}

.comment-submit-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ── 댓글 삭제 버튼 ── */
.comment-delete-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.6875rem;
  color: var(--ink3);
  padding: 0.25rem 0.375rem;
  border-radius: 2px;
  transition: color 0.2s;
  font-family: inherit;
  letter-spacing: 0.05em;
}

.comment-delete-btn:hover {
  color: var(--red);
}

/* ── 삭제된 댓글 ── */
.comment-item.deleted {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

.comment-item.deleted.reply {
  padding: 0.625rem 1rem 0.625rem 1.5rem;
  border-bottom: none;
}

.comment-deleted-msg {
  font-size: 0.8125rem;
  color: var(--ink3);
  font-style: italic;
}

.comment-item.deleted .comment-nick {
  color: var(--ink3);
}

.comment-placeholder {
  border: 1px dashed var(--border2);
  border-radius: 0.375rem;
  padding: 2rem;
  text-align: center;
  color: var(--ink2);
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  transition: border-color var(--transition), color var(--transition);
}

@media (max-width: 37.5rem) {
  .series-nav-row {
    grid-template-columns: 1fr;
  }
  .nav-divider { display: none; }
  .comment-form-row {
    flex-direction: column;
  }
}



/* ── 플로팅 스크롤 다운 버튼 ── */
.scroll-down-btn {
  position: fixed;
  right: 1.25rem;
  bottom: 5rem;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(128,128,128,0.25);
  backdrop-filter: blur(4px);
  color: var(--ink2);
  font-size: 0.875rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.3s, transform 0.2s;
  opacity: 0;
  pointer-events: none;
  z-index: 50;
}
.scroll-down-btn.visible {
  opacity: 1;
  pointer-events: auto;
}
.scroll-down-btn:hover {
  transform: translateY(2px);
  background: rgba(128,128,128,0.4);
}