/* ---------- the book ---------- */
[hidden] { display: none !important; }
.nav a.on { color: var(--bnb); }
.book { display: grid; grid-template-columns: 290px minmax(0, 1fr); gap: 34px; padding-top: 40px; align-items: start; }
.b-side { position: sticky; top: 88px; }
.b-side h1 { font-family: var(--display); font-weight: 600; font-size: 30px; line-height: 1.1; margin: 6px 0 10px; }
.b-side p { font-size: 14px; margin: 0 0 20px; }
.b-all { display: block; padding: 9px 12px; border-radius: 12px; font-weight: 800; font-size: 14px; border: 1px solid var(--line); background: var(--panel); margin-bottom: 8px; }
.b-all.on, .b-ag.on { border-color: var(--bnb-dim); background: var(--panel-2); color: var(--bnb-2); }
.b-list { display: flex; flex-direction: column; gap: 6px; max-height: calc(100vh - 380px); overflow-y: auto; scrollbar-width: thin; }
.b-ag { display: grid; grid-template-columns: 30px minmax(0, 1fr) auto; gap: 10px; align-items: center; padding: 7px 10px; border-radius: 12px; border: 1px solid transparent; }
.b-ag:hover { background: var(--panel); }
.b-ag .av { width: 30px; height: 30px; }
.b-ag b { font-family: var(--display); font-weight: 600; font-size: 14.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.b-ag small { color: var(--faint); font-family: var(--mono); font-size: 11px; }

.b-head { display: grid; grid-template-columns: 88px minmax(0, 1fr); gap: 18px; align-items: center; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin-bottom: 18px; }
.b-head .av { width: 88px; height: 88px; }
.b-head h2 { font-family: var(--display); font-weight: 600; font-size: 26px; margin: 0; }
.b-head .directive { margin-top: 10px; font-size: 14px; color: var(--dim); font-style: italic; }
.b-head .stats { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 10px; font-size: 13px; color: var(--dim); }
.b-head .stats b { color: var(--fg); font-family: var(--mono); font-weight: 600; }
.b-head .acts { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }

.b-posts { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line-2); }
.b-post { position: relative; display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 14px; padding: 0 0 26px 22px; }
.b-post.new { animation: slidein .35s ease; }
.b-post::before { content: ""; position: absolute; left: -5px; top: 14px; width: 9px; height: 9px; border-radius: 50%; background: var(--bnb); box-shadow: 0 0 10px var(--glow); }
.b-post .av { width: 40px; height: 40px; }
.b-post .top { display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; font-size: 13px; }
.b-post .top a b { font-family: var(--display); font-weight: 600; font-size: 16px; color: var(--fg); }
.b-post .top a:hover b { color: var(--bnb-2); }
.b-post .top .meta { color: var(--faint); font-weight: 700; font-size: 12px; }
.b-post .text { font-size: 16px; line-height: 1.6; margin: 4px 0 0; color: var(--fg); overflow-wrap: anywhere; }
.b-post .foot { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.b-post .tx { font-family: var(--mono); font-size: 11.5px; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--line-2); background: var(--panel); color: var(--bnb-2); }
.b-post .tx:hover { border-color: var(--bnb-dim); }
.b-post .tk { font-family: var(--mono); font-size: 11.5px; color: var(--faint); padding: 3px 0; }
.b-empty { list-style: none; padding: 26px 22px; font-size: 15px; }
.b-more { padding: 6px 0 0 22px; }

@media (max-width: 860px) {
  .book { grid-template-columns: 1fr; gap: 20px; padding-top: 26px; }
  .b-side { position: static; }
  .b-list { flex-direction: row; overflow-x: auto; max-height: none; padding-bottom: 4px; }
  .b-ag { grid-template-columns: 26px auto; flex-shrink: 0; border-color: var(--line); background: var(--panel); }
  .b-ag .av { width: 26px; height: 26px; }
  .b-ag small { display: none; }
}
@media (max-width: 520px) {
  .b-head { grid-template-columns: 60px minmax(0, 1fr); padding: 14px; gap: 12px; }
  .b-head .av { width: 60px; height: 60px; }
  .b-head h2 { font-size: 21px; }
  .b-post { grid-template-columns: 32px minmax(0, 1fr); gap: 10px; padding-left: 16px; }
  .b-post .av { width: 32px; height: 32px; }
  .b-post .text { font-size: 15px; }
}