/* =========================================================
   article.css — 故事集 / 日記 內頁樣式
   ========================================================= */

.article-nav {
  position: sticky;
  top: 0;
  background: rgba(239, 242, 244, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
  padding: 16px 32px;
  z-index: 50;
  font-family: var(--mono);
  font-size: 13px;
  display: flex;
  gap: 12px;
  align-items: center;
}
.back-link {
  color: var(--ink);
  font-weight: 500;
  letter-spacing: .02em;
  border-bottom: 1px solid transparent;
  transition: border-color .25s;
}
.back-link:hover { border-color: var(--accent); }
.crumb { color: var(--muted); }

.article {
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 32px 96px;
}

.article-head {
  margin-bottom: 48px;
  text-align: center;
}
.article-head .story-num {
  display: inline-block;
  margin-bottom: 16px;
}
.article-head h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.1;
  letter-spacing: -.01em;
  margin: 0 0 18px;
}
.article-meta {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--muted);
  letter-spacing: .04em;
  margin: 0 0 24px;
}
.article-meta .dot { margin: 0 8px; color: var(--accent); }
.article-dek {
  font-family: var(--serif);
  font-size: 22px;
  font-style: italic;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 30ch;
  margin: 0 auto;
}

/* cover */
.article-cover {
  margin: 0 -120px 48px;
  position: relative;
}
.article-cover img {
  width: 100%;
  height: auto;
  border-radius: 4px;
  border: 1px solid var(--line);
}
.article-cover .img-fallback {
  display: none;
}
.article-cover.placeholder {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #efe9da 0%, #d9d1bf 100%);
  border: 1px solid var(--line);
  border-radius: 4px;
}
.article-cover.placeholder img { display: none; }
.article-cover.placeholder .img-fallback {
  display: flex;
  position: absolute;
  inset: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}
.article-cover.placeholder .img-fallback small {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  margin-top: 8px;
}
.article-cover figcaption {
  font-family: var(--serif);
  font-style: italic;
  font-size: 14px;
  color: var(--muted);
  text-align: center;
  margin-top: 12px;
}

/* body */
.article-body {
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink);
}
.article-body .lede {
  font-family: var(--serif);
  font-size: 23px;
  line-height: 1.55;
  color: var(--ink);
  margin: 0 0 28px;
  font-weight: 500;
  letter-spacing: -.005em;
}
.article-body p {
  margin: 0 0 22px;
  color: var(--ink-soft);
}
.article-body h2 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 28px;
  line-height: 1.3;
  margin: 56px 0 20px;
  color: var(--ink);
  letter-spacing: -.005em;
}
.article-body h3 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 22px;
  margin: 40px 0 16px;
}
.article-body em { color: var(--accent); font-style: italic; font-weight: 500; }
.article-body strong { color: var(--ink); font-weight: 600; }
.article-body blockquote {
  margin: 32px -24px;
  padding: 20px 28px;
  border-left: 3px solid var(--accent);
  background: var(--bg-tinted);
  font-family: var(--serif);
  font-size: 22px;
  font-style: italic;
  line-height: 1.55;
  color: var(--ink);
}
.article-body blockquote p { margin: 0; color: inherit; }
.article-body ul, .article-body ol {
  list-style: revert;
  padding-left: 24px;
  margin: 0 0 22px;
  color: var(--ink-soft);
}
.article-body li { margin-bottom: 8px; }

.article-img {
  margin: 36px 0;
  position: relative;
}
.article-img img {
  width: 100%;
  border-radius: 4px;
  border: 1px solid var(--line);
}
.article-img .img-fallback { display: none; }
.article-img.placeholder {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, #efe9da 0%, #d9d1bf 100%);
  border: 1px solid var(--line);
  border-radius: 4px;
}
.article-img.placeholder img { display: none; }
.article-img.placeholder .img-fallback {
  display: flex;
  position: absolute;
  inset: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  text-align: center;
  font-size: 14px;
}
.article-img.placeholder .img-fallback small {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  margin-top: 8px;
}
.article-img figcaption {
  font-family: var(--serif);
  font-style: italic;
  font-size: 14px;
  color: var(--muted);
  margin-top: 10px;
}

.article-end-mark {
  text-align: center;
  font-family: var(--serif);
  font-style: italic;
  color: var(--muted);
  font-size: 14px !important;
  letter-spacing: .25em;
  margin: 56px 0 0 !important;
}

/* article foot */
.article-foot {
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.next-prev {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .04em;
  margin: 0;
}
.next-prev a {
  color: var(--ink);
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: border-color .25s, color .25s;
}
.next-prev a:hover { border-color: var(--accent); color: var(--accent); }

/* diary list */
.diary-list-page {
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 32px 96px;
}
.diary-list-page h1 {
  font-family: var(--serif);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 600;
  letter-spacing: -.01em;
  margin: 0 0 16px;
}
.diary-list-page .intro {
  font-family: var(--serif);
  font-size: 19px;
  font-style: italic;
  color: var(--ink-soft);
  margin: 0 0 56px;
  line-height: 1.6;
}
.diary-list {
  display: flex;
  flex-direction: column;
}
.diary-entry {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 32px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
  transition: padding .25s;
}
.diary-entry:last-child { border-bottom: 1px solid var(--line); }
.diary-entry:hover { padding-left: 8px; }
.diary-entry .date {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--muted);
  letter-spacing: .04em;
}
.diary-entry h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 22px;
  margin: 0 0 6px;
  line-height: 1.4;
  color: var(--ink);
}
.diary-entry p {
  font-size: 14.5px;
  color: var(--muted);
  margin: 0;
  line-height: 1.6;
}
.diary-entry:hover h3 { color: var(--accent); }

/* mobile */
@media (max-width: 880px) {
  .article { padding: 48px 24px 64px; }
  .article-cover { margin: 0 0 32px; }
  .article-head h1 { font-size: 36px; }
  .article-body blockquote { margin: 24px 0; padding: 16px 20px; font-size: 19px; }
  .diary-entry { grid-template-columns: 1fr; gap: 6px; }
}

/* 內頁插畫(夜記化,2026-07-11) */
.article-ink {
  height: 150px;
  object-fit: contain;
  margin: 26px auto 4px;
  display: block;
}
:root[data-theme="dark"] .article-ink {
  filter: invert(.92) hue-rotate(185deg) brightness(1.05);
}