:root,
html[data-theme="paper"], html[data-theme="sepia"] {
  --desk: #ECE6DA; --card: #FBF8F1; --ink: #221E19; --body: #4A433A; --muted: #5E564B;
  --line: #CFC4B0; --chip: #BDB2A0; --accent: #9E2B25; --bar: #E3DACA;
  --ledge-a: #D6CBB6; --ledge-b: #C4B79E; color-scheme: light;
}
html[data-theme="night"] {
  --desk: #15130F; --card: #24211C; --ink: #E6DFD2; --body: #CFC7B9; --muted: #A79F92;
  --line: #3E3A33; --chip: #5A544A; --accent: #E0796F; --bar: #3E3A33;
  --ledge-a: #3A342B; --ledge-b: #2C2721; color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body.home { background: var(--desk); color: var(--ink); font-family: 'IBM Plex Sans', 'Noto Sans SC', 'PingFang SC', system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--ink); }
a:hover { color: var(--accent); }
button { font: inherit; }
button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
[hidden] { display: none !important; }

.wrap { max-width: 1160px; margin: 0 auto; padding: 56px 40px 80px; display: flex; flex-direction: column; gap: 40px; }
.hero { display: flex; flex-direction: column; gap: 14px; }
.kicker { font-size: 13px; letter-spacing: .22em; color: var(--muted); font-weight: 500; }
.hero h1 { margin: 0; font-family: 'Noto Serif SC', 'Source Serif 4', serif; font-weight: 700; font-size: 46px; line-height: 1.2; letter-spacing: .02em; }
.hero p { margin: 0; max-width: 640px; font-size: 16px; line-height: 1.8; color: var(--body); }

.resume { display: flex; align-items: center; gap: 24px; padding: 20px 24px; background: var(--card); border: 1px solid var(--line); border-radius: 6px; }
.mini { width: 56px; height: 80px; flex-shrink: 0; border-radius: 2px 4px 4px 2px; box-shadow: inset 4px 0 0 rgba(0, 0, 0, .18), 0 6px 10px -6px rgba(0, 0, 0, .5); display: flex; align-items: center; justify-content: center; color: #F3EAD7; font-family: 'Noto Serif SC', serif; font-size: 11px; writing-mode: vertical-rl; letter-spacing: .1em; overflow: hidden; padding: 6px 0; }
.mini.en { writing-mode: horizontal-tb; font-family: 'Source Serif 4', serif; text-align: center; font-size: 9px; line-height: 1.3; padding: 4px; letter-spacing: 0; }
.resume-text { flex: 1 1 280px; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.resume-k { font-size: 12px; letter-spacing: .16em; color: var(--accent); font-weight: 600; }
.resume-title { font-family: 'Noto Serif SC', 'Source Serif 4', serif; font-size: 20px; font-weight: 600; }
.resume-where { font-size: 14px; color: var(--muted); }
.bar { height: 4px; background: var(--bar); border-radius: 2px; margin-top: 6px; max-width: 420px; }
.bar div { height: 4px; background: var(--accent); border-radius: 2px; width: 0; }
.cta { flex-shrink: 0; display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 22px; background: var(--ink); color: var(--card); text-decoration: none; border-radius: 4px; font-size: 15px; font-weight: 500; }
.cta:hover { color: var(--card); opacity: .9; }

.shelf-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; border-bottom: 1px solid var(--line); padding-bottom: 12px; }
.shelf-head h2 { margin: 0; font-family: 'Noto Serif SC', serif; font-size: 22px; font-weight: 600; }
.filters { display: flex; gap: 4px; flex-wrap: wrap; }
.filters button { min-height: 40px; padding: 0 16px; border-radius: 20px; border: 1px solid var(--chip); background: transparent; color: var(--ink); font-size: 14px; font-weight: 500; cursor: pointer; }
.filters button[aria-pressed="true"] { background: var(--ink); color: var(--card); border-color: var(--ink); }

.shelf { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 56px 40px; }
.book-card { display: flex; flex-direction: column; gap: 18px; text-decoration: none; color: var(--ink); }
.book-card:hover { color: var(--ink); }
.cover-wrap { display: flex; flex-direction: column; align-items: center; }
.cover { position: relative; width: 196px; height: 290px; background: var(--cloth); border-radius: 2px 5px 5px 2px; box-shadow: 0 14px 22px -14px rgba(40, 30, 20, .6), 0 1px 0 rgba(0, 0, 0, .08); overflow: hidden; z-index: 1; transition: transform .3s ease, box-shadow .3s ease; }
.book-card:hover .cover, .book-card:focus-visible .cover { transform: translateY(-6px) rotate(-.6deg); box-shadow: 0 22px 30px -14px rgba(40, 30, 20, .55), 0 2px 0 rgba(0, 0, 0, .08); }
.cover::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 14px; background: linear-gradient(90deg, rgba(0, 0, 0, .28), rgba(255, 255, 255, .08) 60%, rgba(0, 0, 0, .1)); }
.cover-in { position: absolute; inset: 14px 14px 14px 26px; border: 1px solid rgba(243, 234, 215, .45); display: flex; flex-direction: column; align-items: center; justify-content: space-between; padding: 22px 10px 16px; text-align: center; color: #F3EAD7; gap: 8px; }
.cv-top { display: flex; flex-direction: column; gap: 9px; align-items: center; }
.cv-title { font-family: 'Noto Serif SC', serif; font-size: 25px; font-weight: 600; line-height: 1.3; letter-spacing: .04em; }
.cv-title.en { font-family: 'Source Serif 4', 'Noto Serif SC', serif; font-size: 21px; letter-spacing: .01em; }
.cv-rule { width: 28px; height: 1px; background: rgba(243, 234, 215, .7); }
.cv-sub { font-size: 10.5px; line-height: 1.5; opacity: .92; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.plate { width: 92px; height: 70px; object-fit: cover; border: 3px solid #F3EAD7; flex-shrink: 0; }
.cv-author { font-size: 10.5px; letter-spacing: .12em; }
.ledge { width: 100%; height: 12px; margin-top: -4px; background: linear-gradient(var(--ledge-a), var(--ledge-b)); border-radius: 2px; box-shadow: 0 8px 12px -8px rgba(60, 45, 30, .45); }
.meta { display: flex; flex-direction: column; gap: 6px; }
.meta-row { display: flex; gap: 8px; align-items: center; font-size: 13px; color: var(--muted); }
.chip { font-size: 12px; font-weight: 600; letter-spacing: .08em; border: 1px solid var(--chip); border-radius: 3px; padding: 2px 6px; }
.meta-title { font-family: 'Noto Serif SC', serif; font-size: 20px; font-weight: 600; line-height: 1.35; }
.meta-title.en { font-family: 'Source Serif 4', 'Noto Serif SC', serif; }
.meta-sub { font-size: 14px; line-height: 1.6; color: var(--body); }
.meta-stats { font-size: 13px; color: var(--muted); }
.meta-progress { font-size: 12px; color: var(--accent); font-weight: 600; }
.meta-progress:empty { display: none; }
.foot { border-top: 1px solid var(--line); padding-top: 20px; font-size: 13px; line-height: 1.7; color: var(--muted); }

@media (max-width: 980px) { .shelf { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) {
  .wrap { padding: 36px 16px 60px; gap: 28px; }
  .hero h1 { font-size: 32px; }
  .shelf { grid-template-columns: minmax(0, 1fr); }
  .resume { flex-wrap: wrap; gap: 16px; padding: 16px; }
}