/* Chat rooms in team projects (public/chat.js). Theme tokens only. */
.chat { display: grid; grid-template-columns: 220px minmax(0, 1fr); min-height: 520px; height: min(72vh, 820px); border: 1px solid var(--line); background: var(--paper); }
.chat-rooms { border-right: 1px solid var(--line); background: var(--wash); display: flex; flex-direction: column; min-height: 0; }
.chat-rooms-h { display: flex; align-items: center; justify-content: space-between; padding: 12px 10px 6px 14px; font-size: 11.5px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--mute); }
.chat-rl { list-style: none; margin: 0; padding: 2px 6px 10px; overflow: auto; }
.chat-rl li { display: flex; align-items: center; }
.chat-room { flex: 1; min-width: 0; display: flex; align-items: center; gap: 6px; padding: 7px 8px; background: none; border: 0; border-radius: 4px; color: var(--mute); font: inherit; font-size: 14.5px; text-align: left; cursor: pointer; }
.chat-room i { display: grid; flex: none; opacity: .75; }
.chat-room span { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chat-room:hover { background: var(--paper); color: var(--ink); }
.chat-room.on { background: var(--paper); color: var(--ink); font-weight: 600; box-shadow: inset 3px 0 0 var(--gold); }
.chat-room.unread { color: var(--ink); font-weight: 600; }
.chat-room b { flex: none; min-width: 18px; padding: 0 5px; background: var(--gold); color: var(--on-gold); font-size: 11px; line-height: 18px; text-align: center; border-radius: 9px; }
.chat-ib { display: grid; place-items: center; width: 28px; height: 28px; padding: 0; background: none; border: 0; color: var(--mute); cursor: pointer; border-radius: 4px; }
.chat-ib:hover, .chat-ib:focus-visible { color: var(--ink); background: var(--paper); }
.chat-ib.sm { width: 24px; height: 24px; opacity: 0; }
.chat-rl li:hover .chat-ib.sm, .chat-ib.sm:focus-visible { opacity: 1; }
.chat-empty { padding: 8px; font-size: 13px; color: var(--mute); }
.chat-main { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.chat-head { display: flex; align-items: baseline; gap: 12px; padding: 12px 18px; border-bottom: 1px solid var(--line); min-height: 48px; }
.chat-head h3 { display: flex; align-items: center; gap: 6px; margin: 0; font-size: 16px; }
.chat-head h3 i { display: grid; color: var(--mute); }
.chat-head p { margin: 0; font-size: 13px; color: var(--mute); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chat-scroll { flex: 1; overflow: auto; padding: 8px 0 4px; overscroll-behavior: contain; }
.chat-more { display: block; margin: 6px auto 10px; font-size: 13px; }
.chat-list { list-style: none; margin: 0; padding: 0; }
.chat-day, .chat-new { display: flex; align-items: center; gap: 10px; margin: 14px 18px 6px; font-size: 12px; color: var(--mute); }
.chat-day::before, .chat-day::after, .chat-new::before, .chat-new::after { content: ''; flex: 1; height: 1px; background: var(--line); }
.chat-new { color: var(--ft-red); font-weight: 600; } .chat-new::before, .chat-new::after { background: var(--ft-red); opacity: .5; }
.chat-start { display: grid; gap: 4px; padding: 30px 18px 10px; } .chat-start b { font-size: 18px; } .chat-start span { color: var(--mute); font-size: 14px; }
.chat-msg { position: relative; display: grid; grid-template-columns: 40px minmax(0, 1fr); column-gap: 12px; padding: 6px 18px 4px; margin-top: 8px; }
.chat-msg.join { margin-top: 0; padding-top: 1px; }
.chat-msg:hover { background: var(--wash); }
.chat-av { grid-row: span 2; display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--ink); color: var(--on-ink); font-style: normal; font-size: 12.5px; font-weight: 600; margin-top: 2px; }
.chat-av.me { background: var(--gold); color: var(--on-gold); }
.chat-meta { display: flex; align-items: baseline; gap: 8px; min-width: 0; }
.chat-meta b { font-size: 14.5px; }
.chat-meta time, .chat-t { font-size: 11.5px; color: var(--mute); font-variant-numeric: tabular-nums; }
.chat-t { grid-column: 1; text-align: right; padding-top: 3px; opacity: 0; }
.chat-msg.join:hover .chat-t { opacity: 1; }
.chat-body { grid-column: 2; font-size: 14.5px; line-height: 1.5; color: var(--ink); overflow-wrap: anywhere; }
.chat-body a { color: var(--ft-blue); text-decoration: underline; text-underline-offset: 2px; }
.chat-body .mention { background: color-mix(in srgb, var(--gold) 22%, transparent); color: var(--ink); padding: 0 2px; border-radius: 3px; }
.chat-body .mention.me { background: color-mix(in srgb, var(--gold) 40%, transparent); font-weight: 600; }
.chat-ed { font-size: 11px; color: var(--mute); }
.chat-edit { width: 100%; font: inherit; font-size: 14.5px; padding: 6px 8px; border: 1px solid var(--ink); background: var(--paper); color: var(--ink); resize: vertical; }
.chat-body small { display: block; font-size: 11.5px; color: var(--mute); }
.chat-rp { grid-column: 2; position: relative; display: flex; gap: 6px; font-size: 12.5px; color: var(--mute); margin: 0 0 2px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.chat-rp::before { content: ''; position: absolute; left: -30px; top: 8px; width: 24px; height: 10px; border: solid var(--faint); border-width: 1.5px 0 0 1.5px; border-top-left-radius: 6px; }
.chat-rp b { color: var(--ink); font-weight: 600; } .chat-rp span { overflow: hidden; text-overflow: ellipsis; }
.chat-reacts { grid-column: 2; display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
.chat-react { display: inline-flex; align-items: center; gap: 4px; padding: 1px 8px; border: 1px solid var(--line); border-radius: 999px; background: var(--paper); font-size: 14px; cursor: pointer; color: var(--ink); }
.chat-react b { font-size: 12px; font-weight: 600; }
.chat-react.on { border-color: var(--gold); background: color-mix(in srgb, var(--gold) 14%, var(--paper)); }
.chat-tools { position: absolute; right: 16px; top: -14px; display: none; gap: 0; padding: 2px; background: var(--paper); border: 1px solid var(--line); border-radius: 6px; box-shadow: 0 6px 16px -10px rgba(0, 0, 0, .4); z-index: 2; }
.chat-msg:hover .chat-tools, .chat-msg:focus-within .chat-tools { display: flex; }
.chat-msg.editing .chat-tools { display: none; }
.chat-tools button { display: grid; place-items: center; min-width: 30px; height: 30px; padding: 0 4px; background: none; border: 0; border-radius: 4px; color: var(--mute); font-size: 16px; cursor: pointer; }
.chat-tools button:hover, .chat-tools button:focus-visible { background: var(--wash); color: var(--ink); }
.chat-pick { position: absolute; right: 16px; top: 20px; z-index: 3; display: grid; grid-template-columns: repeat(7, 34px); gap: 2px; padding: 6px; background: var(--paper); border: 1.5px solid var(--ink); box-shadow: 0 18px 40px -22px rgba(0, 0, 0, .5); }
.chat-pick button { height: 34px; background: none; border: 0; border-radius: 4px; font-size: 18px; cursor: pointer; } .chat-pick button:hover { background: var(--wash); }
.chat-typing { min-height: 18px; margin: 0; padding: 0 18px; font-size: 12px; color: var(--mute); font-style: italic; }
.chat-compose { position: relative; padding: 4px 14px 14px; }
.chat-form { display: flex; align-items: flex-end; gap: 8px; padding: 6px 6px 6px 12px; border: 1.5px solid var(--line); border-radius: 8px; background: var(--paper); }
.chat-form:focus-within { border-color: var(--ink); }
.chat-form textarea { flex: 1; border: 0; padding: 6px 0; background: none; color: var(--ink); font: inherit; font-size: 14.5px; line-height: 1.45; resize: none; outline: none; max-height: 180px; }
.chat-send { display: grid; place-items: center; width: 34px; height: 34px; border: 0; border-radius: 6px; background: var(--ink); color: var(--on-ink); cursor: pointer; }
.chat-replying { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 6px 10px; margin-bottom: 6px; background: var(--wash); border-left: 3px solid var(--gold); font-size: 12.5px; color: var(--mute); }
.chat-replying span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; } .chat-replying .chat-ib.sm { opacity: 1; }
.chat-at { position: absolute; left: 14px; bottom: 100%; margin: 0; padding: 4px; list-style: none; min-width: 220px; background: var(--paper); border: 1.5px solid var(--ink); box-shadow: 0 18px 40px -22px rgba(0, 0, 0, .5); z-index: 4; }
.chat-at button { width: 100%; display: flex; align-items: center; gap: 8px; padding: 6px 8px; background: none; border: 0; color: var(--ink); font: inherit; font-size: 14px; text-align: left; cursor: pointer; }
.chat-at button.on, .chat-at button:hover { background: var(--wash); }
.chat-at i { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--ink); color: var(--on-ink); font-style: normal; font-size: 10px; font-weight: 600; }
.chat-ro { margin: 0; padding: 10px 12px; background: var(--wash); color: var(--mute); font-size: 13.5px; text-align: center; }
.chat-first { padding: 20px 4px; max-width: 520px; } .chat-first h3 { margin: 0 0 6px; } .chat-first p { margin: 0 0 12px; color: var(--mute); font-size: 14px; line-height: 1.5; }
.chat-first form { display: flex; gap: 8px; align-items: flex-end; } .chat-first input { flex: 1; font-size: 15px; }
@media (max-width: 820px) {
  .chat { grid-template-columns: 1fr; grid-template-rows: auto minmax(0, 1fr); height: calc(100dvh - 210px); min-height: 420px; border-width: 1px 0; margin: 0 -16px; }
  .chat-rooms { border-right: 0; border-bottom: 1px solid var(--line); }
  .chat-rooms-h { display: none; }
  .chat-rl { display: flex; gap: 4px; padding: 6px 10px; overflow-x: auto; }
  .chat-room { padding: 6px 10px; white-space: nowrap; border: 1px solid var(--line); background: var(--paper); border-radius: 999px; font-size: 14px; }
  .chat-room.on { box-shadow: none; border-color: var(--ink); }
  .chat-ib.sm { opacity: 1; }
  .chat-head { padding: 8px 14px; min-height: 0; }
  .chat-msg { grid-template-columns: 34px minmax(0, 1fr); padding: 6px 12px 4px; column-gap: 10px; }
  .chat-av { width: 32px; height: 32px; }
  .chat-tools { right: 8px; }
  .chat-form textarea { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) { .chat-scroll { scroll-behavior: auto; } }