/* ════════════════════════════════════════════════════════════
   note_detail.css — NOTEs 상세 페이지 전용 스타일
   - article (래퍼, 헤더, 본문, 반응형)
   - 공유 버튼
   - owner 플로팅 편집 패널, 수정모드 인라인 필드
   - 메타 패널 (하단 슬라이드업), 모바일 스크롤 버튼
════════════════════════════════════════════════════════════ */

/* ── 래퍼 ── */
.article-wrap {
  max-width: 64rem;
  margin: 0 auto;
  padding: 2.5rem 1.75rem 4rem;
  position: relative;
  z-index: 1;
}

/* ── 로딩 / 에러 ── */
.article-loading,
.article-error {
  text-align: center;
  padding: 4rem 0;
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink3);
}

.article-error a {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.75rem;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.1em;
}
.article-error a:hover { text-decoration: underline; }

/* ── 헤더 ── */
.article-header {
  margin-bottom: 2rem;
}

.article-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 900;
  line-height: 1.15;
  color: var(--ink);
  margin: 0.5rem 0 0.625rem;
  transition: color var(--transition);
}

.article-subtitle {
  font-size: 0.9375rem;
  color: var(--ink2);
  line-height: 1.5;
  margin-bottom: 0.25rem;
  transition: color var(--transition);
}

.article-rule {
  height: 1px;
  background: var(--border);
  margin: 1rem 0;
  transition: background var(--transition);
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.article-meta-date {
  font-size: 0.5625rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink3);
  transition: color var(--transition);
}

/* ── 본문 ── */
.article-body {
  font-size: 0.9375rem;
  line-height: 1.9;
  color: var(--ink2);
  white-space: pre-wrap;
  word-break: break-word;
  transition: color var(--transition);
}

.article-body strong {
  color: var(--ink);
  font-weight: 700;
}

.article-body em {
  font-style: italic;
  color: var(--ink);
}

.article-body h1,
.article-body h2,
.article-body h3 {
  font-family: 'Playfair Display', serif;
  color: var(--ink);
  margin: 2rem 0 0.75rem;
  line-height: 1.3;
  transition: color var(--transition);
}
.article-body h1 { font-size: 1.5rem; }
.article-body h2 { font-size: 1.25rem; }
.article-body h3 { font-size: 1.0625rem; }

.article-body blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 1rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--ink3);
  transition: border-color var(--transition), color var(--transition);
}

.article-body code {
  font-family: 'Courier New', monospace;
  font-size: 0.8125rem;
  background: var(--bg2);
  padding: 0.125rem 0.375rem;
  border-radius: 2px;
  color: var(--accent2);
  transition: background var(--transition), color var(--transition);
}

.article-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
  transition: border-color var(--transition);
}

/* ── 반응형 ── */
@media (max-width: 37.5rem) {
  .article-wrap  { padding: 1.5rem 1rem 3rem; }
  .article-title { font-size: 1.5rem; }
  .article-body  { font-size: 0.875rem; }
}


/* ── 공유 버튼 ── */
.share-section {
    display: flex;
    gap: 0.625rem;
    margin: 1.5rem 0;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    border-radius: 2rem;
    background: transparent;
    color: var(--ink2);
    font-size: 0.8125rem;
    font-family: inherit;
    letter-spacing: 0.03em;
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.share-btn:hover {
    border-color: var(--ink2);
    color: var(--ink);
    background: var(--bg2);
}

.share-btn.copied {
    border-color: var(--ink);
    color: var(--ink);
}


/* ════════════════════════════════════════════════════════════
   owner 플로팅 편집 패널
════════════════════════════════════════════════════════════ */

.owner-edit-panel {
  position: fixed;
  top: 4.5rem;
  right: 1rem;
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
}

.owner-edit-idle,
.owner-edit-active {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: flex-end;
}

.owner-fab {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1px solid var(--border2);
  background: var(--card);
  color: var(--ink2);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.10);
  transition:
    background var(--transition),
    color var(--transition),
    border-color 0.2s,
    box-shadow 0.2s;
}

.owner-fab:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 3px 12px rgba(0,0,0,0.15);
}

.owner-fab.save {
  border-color: var(--accent);
  color: var(--accent);
}

.owner-fab.save:hover {
  background: var(--accent);
  color: var(--tag-color);
}

.owner-fab.cancel:hover {
  border-color: var(--ink3);
  color: var(--ink3);
}

[data-theme="dark"] .owner-fab {
  box-shadow: 0 2px 8px rgba(0,0,0,0.35);
}


/* ════════════════════════════════════════════════════════════
   수정모드 인라인 필드
════════════════════════════════════════════════════════════ */

.edit-field-title,
.edit-field-subtitle,
.edit-field-content {
  display: block;
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border2);
  border-radius: 0;
  color: var(--ink);
  font-family: inherit;
  outline: none;
  transition:
    border-color 0.2s,
    color var(--transition);
  box-sizing: border-box;
}

.edit-field-title:focus,
.edit-field-subtitle:focus,
.edit-field-content:focus {
  border-bottom-color: var(--accent);
}

.edit-field-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 900;
  line-height: 1.15;
  margin: 0.5rem 0 0.625rem;
  padding: 0.25rem 0;
}

.edit-field-subtitle {
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--ink2);
  margin-bottom: 0.25rem;
  padding: 0.2rem 0;
}

.edit-field-content {
  font-size: 0.9375rem;
  line-height: 1.9;
  color: var(--ink2);
  resize: none;
  overflow: hidden;
  min-height: 12rem;
  padding: 0.5rem 0;
  white-space: pre-wrap;
  word-break: break-word;
  border-bottom: 1px solid var(--border2);
}

@media (max-width: 37.5rem) {
  .owner-edit-panel {
    top: 4rem;
    right: 0.75rem;
  }

  .edit-field-title {
    font-size: 1.5rem;
  }

  .edit-field-content {
    font-size: 0.875rem;
  }
}

/* ════════════════════════════════════════════════════════════
   메타 버튼
════════════════════════════════════════════════════════════ */

.owner-fab.meta {
    margin-top: 0.375rem;
}

/* ════════════════════════════════════════════════════════════
   메타 패널 — 하단 슬라이드업
════════════════════════════════════════════════════════════ */

.meta-panel-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.3);
    z-index: 90;
}
.meta-panel-overlay.open { display: block; }

.meta-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-height: 80vh;
    background: var(--card);
    border-top: 1px solid var(--border);
    border-radius: 12px 12px 0 0;
    z-index: 100;
    overflow-y: auto;
    transform: translateY(100%);
    transition: transform 0.25s ease;
}
.meta-panel.open {
    transform: translateY(0);
}

.meta-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem 0.75rem;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: var(--card);
    z-index: 1;
}
.meta-panel__title {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink);
}
.meta-panel__close {
    background: none;
    border: none;
    font-size: 1rem;
    color: var(--ink3);
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
}

.meta-panel__body {
    padding: 1rem 1.25rem 2rem;
}

.meta-row {
    margin-bottom: 1.25rem;
}

.meta-label {
    display: block;
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink3);
    margin-bottom: 0.4rem;
}

.meta-input {
    width: 100%;
    padding: 0.5rem 0.625rem;
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.8125rem;
    color: var(--ink);
    outline: none;
    transition: border-color 0.15s;
    box-sizing: border-box;
}
.meta-input:focus { border-color: var(--accent); }

.meta-chip-group {
    display: flex;
    gap: 0.375rem;
    flex-wrap: wrap;
}
.meta-chip {
    padding: 0.3rem 0.75rem;
    font-size: 0.6875rem;
    font-family: inherit;
    letter-spacing: 0.06em;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 2rem;
    color: var(--ink3);
    cursor: pointer;
    transition: all 0.15s;
}
.meta-chip:hover { border-color: var(--ink2); color: var(--ink); }
.meta-chip.active {
    border-color: var(--accent);
    color: var(--accent);
    background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.meta-footer {
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
}
.meta-save-btn {
    padding: 0.6rem 1.5rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.8125rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s;
}
.meta-save-btn:hover    { opacity: 0.85; }
.meta-save-btn:disabled { opacity: 0.45; cursor: not-allowed; }

/* ── 컨텐츠 부연설명 (kicker note) ── */
.article-kicker-note {
    margin-top: 2.5rem;
    padding: 0.875rem 1.25rem;
    border-top: 1px solid var(--border);
    font-size: 0.75rem;
    letter-spacing: 0.04em;
    color: var(--ink3);
    line-height: 1.6;
    transition: color var(--transition), border-color var(--transition);
}

/* ── 모바일 스크롤 다운 버튼 ── */
.scroll-down-btn {
    display: none;
}

@media (max-width: 37.5rem) {
    .scroll-down-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        position: fixed;
        bottom: 5rem;
        right: 1rem;
        width: 2.75rem;
        height: 2.75rem;
        border-radius: 50%;
        border: 1px solid var(--border2);
        background: var(--card);
        color: var(--ink2);
        cursor: pointer;
        box-shadow: 0 2px 10px rgba(0,0,0,0.12);
        z-index: 150;
        opacity: 1;
        pointer-events: auto;
        transition: opacity 0.3s ease, transform 0.3s ease;
    }

    .scroll-down-btn.hidden {
        opacity: 0;
        pointer-events: none;
        transform: translateY(0.5rem);
    }
}