.bk {
  --ink: #0b0d10; --ink-2: #111419; --ink-3: #171b21;
  --ivory: #ece6d8; --key: #d9c9a3; --key-dim: rgba(217, 201, 163, .14);
  --muted: #a3a7ad; --faint: #6f757d; --line: rgba(236, 230, 216, .10);
  --signal: #66b8ff;
  --serif: 'Newsreader', 'Iowan Old Style', Georgia, 'Times New Roman', serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  background: var(--ink); color: var(--ivory);
}
.bk a { color: var(--signal); }
.bk h2, .bk h3 { color: var(--ivory); }
.bk-k { font-family: var(--mono); font-size: .78rem; letter-spacing: .16em; text-transform: uppercase; color: var(--key); }
.bk-sec { padding-block: clamp(3rem, 7vw, 5.5rem); border-top: 1px solid var(--line); }
.bk-sec > .container > h2, .bk-h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.9rem, 4vw, 2.6rem); line-height: 1.15;
  letter-spacing: -.01em; margin: .5rem 0 1.4rem; text-wrap: balance; }
.bk-lede { font-family: var(--serif); font-size: 1.22rem; line-height: 1.65; color: #ddd6c6; max-width: 62ch; }

/* hero */
.bk-hero { padding-block: clamp(2.5rem, 6vw, 4.5rem); background: radial-gradient(ellipse at 75% 30%, #1a1d22 0, var(--ink) 60%); }
.bk-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.bk-title { font-family: var(--serif); font-weight: 400; font-size: clamp(2.8rem, 7vw, 5rem); line-height: .98; letter-spacing: -.025em; margin: .8rem 0 .7rem; color: var(--ivory); text-wrap: balance; }
.bk-sub { font-family: var(--serif); font-style: italic; font-size: clamp(1.15rem, 2.4vw, 1.45rem); color: var(--key); margin: 0 0 1.4rem; }
.bk-tag { color: #cfc8b8; font-size: 1.06rem; line-height: 1.7; max-width: 52ch; margin: 0 0 1.4rem; }
.bk-status { display: inline-flex; align-items: center; gap: .55rem; font-family: var(--mono); font-size: .76rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--key); border: 1px solid var(--key-dim); border-radius: 999px; padding: .35rem .85rem; margin-bottom: 1.6rem; }
.bk-status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--key); box-shadow: 0 0 10px var(--key); }
.bk-cta { display: flex; flex-wrap: wrap; gap: .7rem; }
.bk-btn { display: inline-flex; align-items: center; gap: .55rem; border-radius: 10px; padding: .75rem 1.15rem; font-weight: 600; font-size: .95rem;
  text-decoration: none; cursor: pointer; border: 1px solid var(--line); background: var(--ink-3); color: var(--ivory) !important; font-family: inherit; }
.bk-btn:hover { border-color: rgba(236,230,216,.28); }
.bk-btn.primary { background: var(--ivory); color: var(--ink) !important; border-color: var(--ivory); }
.bk-btn.primary:hover { background: #fff; }
.bk-btn svg { width: 16px; height: 16px; flex: none; }
.bk-btn:focus-visible, .bk-play:focus-visible, .bk-mt button:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; }
.bk-cover { margin: 0; }
.bk-cover img { display: block; width: 100%; height: auto; max-width: 100%; border-radius: 6px; box-shadow: 0 30px 80px -20px rgba(0,0,0,.8), 0 0 0 1px var(--line); }
.bk-cover figcaption { font-size: .8rem; color: var(--faint); margin-top: .7rem; }

/* the book / the album */
.bk-two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(2rem, 5vw, 4rem); }
.bk-two p { font-family: var(--serif); font-size: 1.15rem; line-height: 1.7; color: #ddd6c6; margin: 0 0 1rem; max-width: 60ch; }
.bk-two h3 { font-family: var(--mono); font-size: .78rem; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--key); margin: 0 0 1rem; }

/* contents = tracklist */
.bk-part { display: flex; align-items: baseline; gap: 1rem; margin: 2.6rem 0 .4rem; padding-bottom: .7rem; border-bottom: 1px solid var(--line); }
.bk-part:first-of-type { margin-top: .5rem; }
.bk-part b { font-family: var(--mono); font-weight: 500; font-size: .76rem; letter-spacing: .16em; text-transform: uppercase; color: var(--key); }
.bk-part span { font-family: var(--serif); font-style: italic; font-size: 1.25rem; color: var(--ivory); }
.bk-ch { display: grid; grid-template-columns: 3.4rem minmax(0, 1fr) minmax(0, 15rem); gap: 1.4rem; padding: 1.5rem 0; border-bottom: 1px solid var(--line); scroll-margin-top: calc(var(--nav-h, 80px) + 1rem); }
.bk-ch.now { background: linear-gradient(90deg, rgba(217,201,163,.05), transparent 70%); }
.bk-num { font-family: var(--serif); font-size: 2.3rem; line-height: 1; color: var(--key); font-variant-numeric: tabular-nums; }
.bk-ch h3 { font-family: var(--serif); font-weight: 500; font-size: 1.35rem; line-height: 1.3; margin: 0 0 .45rem; text-wrap: balance; }
.bk-ch p { color: #c9c3b5; line-height: 1.65; margin: 0 0 .8rem; font-size: .98rem; max-width: 64ch; }
.bk-line { font-family: var(--serif); font-style: italic; font-size: 1.08rem; color: var(--ivory); border-left: 2px solid var(--key); padding-left: .9rem; margin: 0; }
.bk-trk { display: flex; flex-direction: column; gap: .55rem; }
.bk-trk-top { display: flex; align-items: center; gap: .75rem; }
.bk-play { width: 44px; height: 44px; flex: none; border-radius: 50%; border: 1px solid rgba(236,230,216,.3); background: transparent; color: var(--ivory);
  display: grid; place-items: center; cursor: pointer; transition: background .15s, border-color .15s; }
.bk-play:hover { border-color: var(--key); }
.bk-play.on { background: var(--ivory); color: var(--ink); border-color: var(--ivory); }
.bk-play svg { width: 16px; height: 16px; }
.bk-trk-name { font-size: .92rem; font-weight: 600; line-height: 1.3; }
.bk-trk-name small { display: block; font-family: var(--mono); font-weight: 400; font-size: .74rem; color: var(--faint); margin-top: .15rem; font-variant-numeric: tabular-nums; }
.bk-wave { display: flex; align-items: flex-end; gap: 1px; height: 30px; cursor: pointer; }
.bk-wave i { flex: 1; min-width: 0; border-radius: 1px; background: rgba(236,230,216,.18); }
.bk-wave i.on { background: var(--key); }
.bk-album-note { display: flex; flex-wrap: wrap; gap: .7rem 1.4rem; align-items: center; margin-top: 1.6rem; color: var(--muted); font-size: .9rem; }

/* method */
.bk-method { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.bk-method div { background: var(--ink-2); padding: 1.4rem 1.4rem 1.5rem; }
.bk-method h3 { font-family: var(--mono); font-weight: 500; font-size: .76rem; letter-spacing: .14em; text-transform: uppercase; color: var(--key); margin: 0 0 .7rem; }
.bk-method p { font-family: var(--serif); font-size: 1.1rem; line-height: 1.55; color: var(--ivory); margin: 0; }
.bk-closing { font-family: var(--serif); font-size: clamp(1.5rem, 3.4vw, 2.2rem); line-height: 1.3; text-align: center; margin: 2.6rem auto 0; max-width: 32ch; color: var(--ivory); text-wrap: balance; }

/* Monday table */
.bk-mt-intro { color: #c9c3b5; line-height: 1.7; max-width: 66ch; margin: 0 0 1.4rem; }
.bk-mt-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: var(--ink-2); }
.bk-mt { width: 100%; min-width: 900px; border-collapse: collapse; font-size: .9rem; }
.bk-mt th { text-align: left; font-family: var(--mono); font-weight: 500; font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; color: var(--key);
  padding: .75rem .6rem; border-bottom: 1px solid var(--line); white-space: nowrap; }
.bk-mt td { border-bottom: 1px solid var(--line); padding: .35rem .4rem; vertical-align: top; }
.bk-mt tr:last-child td { border-bottom: 0; }
.bk-mt input, .bk-mt select { width: 100%; background: transparent; border: 1px solid transparent; border-radius: 6px; color: var(--ivory); font: inherit; padding: .45rem .45rem; }
.bk-mt input:hover, .bk-mt select:hover { border-color: var(--line); }
.bk-mt input:focus, .bk-mt select:focus { outline: none; border-color: var(--signal); background: var(--ink); }
.bk-mt select { color-scheme: dark; }
.bk-mt select option { background: var(--ink-2); color: var(--ivory); }
.bk-mt .ex td { color: #cfc8b8; font-style: italic; padding: .7rem .6rem; background: rgba(217,201,163,.04); }
.bk-mt .ex td:first-child { border-left: 2px solid var(--key); }
.bk-mt .del { background: none; border: 0; color: var(--faint); cursor: pointer; font-size: 1.1rem; padding: .4rem .5rem; border-radius: 6px; }
.bk-mt .del:hover { color: var(--ivory); }
.bk-mt-bar { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; margin-top: 1rem; }
.bk-mt-bar .bk-btn { padding: .55rem .95rem; font-size: .88rem; }
.bk-mt-count { margin-top: 1.2rem; padding: 1rem 1.2rem; border: 1px solid var(--line); border-radius: 10px; color: #c9c3b5; line-height: 1.6; }
.bk-mt-count b { color: var(--ivory); font-family: var(--serif); font-size: 1.35rem; font-weight: 500; font-variant-numeric: tabular-nums; }
.bk-note { font-size: .82rem; color: var(--faint); margin-top: .8rem; }
.bk-confirm { display: inline-flex; gap: .4rem; align-items: center; font-size: .88rem; color: var(--muted); }

/* reading */
.bk-read { max-width: 40rem; margin: 0 auto; }
.bk-read p { font-family: var(--serif); font-size: 1.2rem; line-height: 1.75; color: #e4ddcd; margin: 0 0 1.25rem; }
.bk-read h3 { font-family: var(--serif); font-weight: 500; font-size: 1.5rem; margin: 2.6rem 0 1rem; color: var(--ivory); text-wrap: balance; }
.bk-read .first::first-letter { float: left; font-size: 3.6rem; line-height: .85; padding: .35rem .5rem 0 0; color: var(--key); }
.bk-read .open { font-size: 1.5rem; font-style: italic; color: var(--ivory); }
.bk-qs { background: var(--ink-2); border: 1px solid var(--line); border-radius: 10px; padding: clamp(1.4rem, 4vw, 2.2rem); margin-bottom: 3.2rem; }
.bk-qs p { font-size: 1.08rem; margin-bottom: .9rem; }
.bk-qs p:first-of-type { font-style: italic; color: var(--key); }
.bk-fig { margin: 2rem 0 2.2rem; }
.bk-fig figcaption { font-size: .88rem; color: var(--muted); margin-bottom: .6rem; line-height: 1.5; }
.bk-fig .bk-mt { min-width: 640px; }
.bk-fig .bk-mt td { height: 2.4rem; }
.bk-more { position: relative; }
.bk-more.closed { max-height: 34rem; overflow: hidden; }
.bk-more.closed::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 12rem; background: linear-gradient(transparent, var(--ink)); }
.bk-more-btn { display: flex; justify-content: center; margin-top: 1.2rem; }

/* notify */
.bk-notify { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.bk-form { display: grid; gap: .9rem; background: var(--ink-2); border: 1px solid var(--line); border-radius: 12px; padding: clamp(1.3rem, 4vw, 2rem); }
.bk-form .bk-btn { justify-content: center; }
.bk-form label { font-size: .88rem; color: var(--muted); }
.bk-form input[type=email] { width: 100%; background: var(--ink); border: 1px solid rgba(236,230,216,.2); border-radius: 8px; color: var(--ivory); font: inherit; font-size: 1.05rem; padding: .8rem .9rem; }
.bk-form input[type=email]:focus { outline: none; border-color: var(--signal); }
.bk-check { display: flex; gap: .7rem; align-items: flex-start; font-size: .92rem; color: #cfc8b8; line-height: 1.5; }
.bk-check input { margin-top: .25rem; width: 18px; height: 18px; accent-color: var(--key); flex: none; }
.bk-hp { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }
.bk-msg { min-height: 1.4em; font-size: .95rem; }
.bk-msg.ok { color: #a8e6b4; } .bk-msg.err { color: #ffb4a8; }
.bk-share { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.4rem; }

/* related */
.bk-rel { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.bk-rel a { display: block; text-decoration: none; border: 1px solid var(--line); border-radius: 10px; padding: 1.1rem 1.2rem; color: var(--ivory); background: var(--ink-2); }
.bk-rel a:hover { border-color: rgba(236,230,216,.28); }
.bk-rel b { font-family: var(--serif); font-weight: 500; font-size: 1.15rem; display: block; margin-bottom: .3rem; }
.bk-rel span { color: var(--muted); font-size: .9rem; line-height: 1.5; }
.bk-credits { color: var(--faint); font-size: .85rem; margin-top: 2rem; }

/* mini player */
.bk-mini { position: fixed; left: 0; right: 0; bottom: 0; z-index: 900; background: rgba(11,13,16,.96); backdrop-filter: blur(10px); border-top: 1px solid var(--line);
  padding: .6rem 16px calc(.6rem + env(safe-area-inset-bottom, 0px)); }
.bk-mini-in { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: .9rem; align-items: center; }
.bk-mini-ctl { display: flex; gap: .3rem; align-items: center; }
.bk-mini-ctl button { background: none; border: 0; color: var(--ivory); cursor: pointer; width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; }
.bk-mini-ctl button.pp { background: var(--ivory); color: var(--ink); }
.bk-mini-ctl svg { width: 16px; height: 16px; }
.bk-mini-t { min-width: 0; }
.bk-mini-t b { display: block; font-size: .9rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bk-mini-t small { font-family: var(--mono); font-size: .72rem; color: var(--faint); font-variant-numeric: tabular-nums; }
.bk-mini-bar { height: 3px; background: rgba(236,230,216,.12); border-radius: 2px; margin-top: .35rem; cursor: pointer; }
.bk-mini-bar i { display: block; height: 100%; width: 0; background: var(--key); border-radius: 2px; }
.bk-mini a { font-size: .82rem; color: var(--muted); text-decoration: none; white-space: nowrap; }
.bk.has-mini { padding-bottom: 5rem; }

@media (max-width: 900px) {
  .bk-hero-grid, .bk-two, .bk-notify { grid-template-columns: minmax(0, 1fr); }
  .bk-hero-grid .bk-cover { order: -1; }
  .bk-method { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bk-rel { grid-template-columns: minmax(0, 1fr); }
  .bk-ch { grid-template-columns: 2.6rem minmax(0, 1fr); }
  .bk-ch .bk-trk { grid-column: 2; }
  .bk-num { font-size: 1.9rem; }
}
@media (max-width: 560px) {
  .bk-method { grid-template-columns: minmax(0, 1fr); }
  .bk-read p { font-size: 1.1rem; }
  .bk-mini a { display: none; }
}
@media (prefers-reduced-motion: reduce) { .bk * { transition: none !important; } }

/* release gating and chapter pages */
.bk-ch.locked { grid-template-columns: 3.4rem minmax(0, 1fr) auto; align-items: center; opacity: .62; }
.bk-ch.locked h3 { margin: 0; }
.bk-out { font-family: var(--mono); font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; color: var(--key);
  border: 1px solid var(--key-dim); border-radius: 999px; padding: .3rem .75rem; white-space: nowrap; }
.bk-ch .bk-new { font-family: var(--mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink); background: var(--key);
  border-radius: 4px; padding: .1rem .4rem; margin-left: .5rem; vertical-align: middle; }
.bk-chlink { font-size: .86rem; text-decoration: none; }
.bk-sched { color: var(--muted); margin: -.6rem 0 1rem; }
.bk-teaser { background: var(--ink-2); border: 1px solid var(--line); border-radius: 10px; padding: 1.4rem 1.6rem; color: #cfc8b8; }
.bkc-hero { padding-block: clamp(2.5rem, 6vw, 4.5rem); }
.bkc-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.bkc-card img { display: block; width: 100%; height: auto; border-radius: 8px; box-shadow: 0 30px 80px -20px rgba(0,0,0,.8), 0 0 0 1px var(--line); }
.bkc-player { display: flex; align-items: center; gap: 1rem; margin: 1.4rem 0 .6rem; }
.bkc-player .bk-play { width: 58px; height: 58px; }
.bkc-player .bk-wave { flex: 1; height: 40px; }
.bkc-time { font-family: var(--mono); font-size: .78rem; color: var(--faint); font-variant-numeric: tabular-nums; }
.bkc-nav { display: flex; flex-wrap: wrap; gap: .7rem; justify-content: space-between; margin-top: 2rem; }
@media (max-width: 900px) { .bkc-grid { grid-template-columns: minmax(0, 1fr); } .bk-ch.locked { grid-template-columns: 2.6rem minmax(0, 1fr); } .bk-ch.locked .bk-out { grid-column: 2; justify-self: start; } }
.bkc-ltag { font-family: var(--mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--key); margin: 1.6rem 0 .45rem; }
.bk-read .bkc-lyr { font-size: 1.12rem; line-height: 1.7; margin: 0; color: #e4ddcd; }