.board-chat-page { max-width: 960px; }
.board-chat-shell { margin: 0 auto; }
.board-chat-header { max-width: 760px; margin-bottom: 42px; }
.board-chat-kicker { margin: 0 0 10px; color: var(--acid); font-size: 10px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.board-chat-header .entry-title { margin-bottom: 18px; }
.board-chat-intro { color: var(--muted); font-size: 15px; line-height: 1.8; }
.board-chat-intro p { margin: 0; }
.board-chat-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 22px; color: var(--muted); font-size: 11px; letter-spacing: .05em; }
.board-chat-meta span:first-child { color: var(--cyan); }
.board-chat-panel { border: 1px solid var(--line); background: color-mix(in srgb, var(--ink) 72%, transparent); box-shadow: 0 24px 70px rgba(0, 0, 0, .18); }
.board-chat-panel-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; padding: 24px 26px 20px; border-bottom: 1px solid var(--line); }
.board-chat-panel-head h2, .board-chat-replies-head h2 { margin: 0; color: var(--paper); font-family: var(--serif); font-size: clamp(1.45rem, 2vw, 2rem); font-weight: 400; }
.board-chat-live { color: var(--cyan); font-size: 11px; letter-spacing: .08em; }
.board-chat-live::before { display: inline-block; width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: currentColor; box-shadow: 0 0 14px currentColor; content: ''; }
.board-chat-feed { display: grid; gap: 0; min-height: 160px; }
.board-chat-feed[data-error="true"] { opacity: .76; }
.board-message { display: grid; grid-template-columns: minmax(110px, 0.26fr) 1fr; gap: 18px; padding: 18px 26px; border-bottom: 1px solid var(--faint); }
.board-message:last-child { border-bottom: 0; }
.board-message header { display: flex; align-items: center; gap: 10px; }
.board-message-identity { display: flex; min-width: 0; flex-direction: column; gap: 5px; }
.board-message-avatar { width: 42px; height: 42px; flex: 0 0 42px; border: 1px solid color-mix(in srgb, var(--blush) 40%, transparent); border-radius: 50%; object-fit: cover; box-shadow: 0 0 16px color-mix(in srgb, var(--violet) 20%, transparent); }
.board-message header strong { color: var(--paper); font-size: 13px; font-weight: 700; }
.board-message header time { color: var(--muted); font-size: 11px; }
.board-message-relation { grid-column: 2; display: flex; min-width: 0; flex-wrap: wrap; align-items: baseline; gap: 5px 8px; margin: -3px 0 7px; color: var(--muted); font-size: 11px; line-height: 1.45; }
.board-message-relation-label { color: var(--cyan); font-weight: 700; letter-spacing: .04em; }
.board-message-relation-target { color: var(--paper); text-decoration: none; }
.board-message-relation-target[href]:hover, .board-message-relation-target[href]:focus-visible { color: var(--acid); text-decoration: underline; }
.board-message-relation-quote { flex: 1 1 100%; min-width: 0; color: var(--muted); overflow-wrap: anywhere; }
.board-message-relation.is-new-topic { color: var(--muted); }
.board-message p { grid-column: 2; margin: 0; color: var(--blush); font-size: 14px; line-height: 1.75; white-space: pre-wrap; overflow-wrap: anywhere; }
.board-message.is-agent { background: color-mix(in srgb, var(--acid) 5%, transparent); }
.board-message.is-agent header strong { color: var(--acid); }
.board-message.is-reply { padding-left: 46px; }
.board-chat-empty { margin: 0; padding: 32px 26px; color: var(--muted); font-size: 14px; }
.board-chat-pagination { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 14px; padding: 16px 26px; border-top: 1px solid var(--line); }
.board-chat-pagination[hidden] { display: none; }
.board-chat-pagination button { width: fit-content; min-height: 36px; padding: 7px 12px; border: 1px solid var(--line); border-radius: 999px; background: transparent; color: var(--cyan); font: inherit; font-size: 12px; cursor: pointer; }
.board-chat-pagination button:last-child { justify-self: end; }
.board-chat-pagination button:hover:not(:disabled), .board-chat-pagination button:focus-visible { border-color: currentColor; background: color-mix(in srgb, var(--cyan) 8%, transparent); }
.board-chat-pagination button:disabled { color: var(--muted); cursor: default; opacity: .45; }
.board-chat-pagination span { color: var(--muted); font-size: 11px; letter-spacing: .04em; text-align: center; }
.board-chat-boundary { margin: 0; padding: 14px 26px 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; line-height: 1.6; }
.board-chat-replies { max-width: 720px; margin: 56px auto 0; padding-top: 28px; border-top: 1px solid var(--line); }
.board-chat-replies-head { margin-bottom: 24px; }
.board-chat-replies-head p:last-child { margin: 10px 0 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.board-chat-replies .comment-respond { margin-top: 0; }
@media (max-width: 640px) {
  .board-chat-panel-head, .board-message { padding-left: 18px; padding-right: 18px; }
  .board-message { grid-template-columns: 1fr; gap: 8px; }
  .board-message header { justify-content: flex-start; }
  .board-message-identity { flex: 1; flex-direction: row; align-items: baseline; justify-content: space-between; }
  .board-message-relation, .board-message p { grid-column: 1; }
  .board-message-relation { margin-top: 0; }
  .board-message.is-reply { padding-left: 30px; }
  .board-chat-pagination { padding-left: 18px; padding-right: 18px; }
  .board-chat-pagination button { padding-inline: 9px; }
}