/* ---------- AI Chat (power users) ----------
   A plain chat scratchpad, styled as a transcript rather than as the story
   page: UI font, role labels, and a sticky composer at the bottom. */

.chat-page {
  max-width: 820px;
  display: flex;
  flex-direction: column;
  margin-bottom: var(--kb-inset, 0px); /* see .play-page */
}
.chat-meta {
  font-size: 0.78rem;
  margin: -10px 0 16px;
  word-break: break-word;
}
.chat-options {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px 4px;
  margin-bottom: 18px;
  background: var(--bg-panel);
}

.chat-transcript { flex: 1; display: flex; flex-direction: column; gap: 16px; padding-bottom: 20px; }

.chat-msg {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px 12px;
  background: var(--bg-panel);
}
.chat-msg.user { border-left: 3px solid var(--player); background: var(--bg-input); }
.chat-msg.assistant { border-left: 3px solid var(--accent-dim); }
.chat-msg-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.chat-msg .chat-role { color: var(--accent-dim); font-weight: 600; }
.chat-msg.user .chat-role { color: var(--player); }
.chat-model-tag { text-transform: none; letter-spacing: 0; font-size: 0.74rem; }
.chat-msg-actions {
  margin-left: auto;
  display: flex;
  gap: 12px;
  opacity: 0;
  transition: opacity 0.15s;
}
.chat-msg:hover .chat-msg-actions, .chat-msg:focus-within .chat-msg-actions { opacity: 1; }
.chat-msg-body {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  line-height: 1.6;
  font-size: 0.95rem;
}
.chat-msg .cursor {
  color: var(--accent-bright);
  text-shadow: 0 0 8px var(--accent-glow);
  animation: blink 1s steps(1) infinite;
}

/* Same collapsed thinking block as the story page, re-scoped for the transcript. */
.chat-msg .reasoning { margin: 0 0 8px; font-size: 0.82rem; line-height: 1.5; color: var(--text-dim); }
.chat-msg .reasoning summary { cursor: pointer; user-select: none; opacity: 0.8; }
.chat-msg .reasoning summary:hover { opacity: 1; }
.chat-msg .reasoning .reasoning-text {
  margin-top: 6px;
  padding: 8px 12px;
  border-left: 2px solid var(--border);
  white-space: pre-wrap;
  opacity: 0.85;
  max-height: 260px;
  overflow-y: auto;
}

.chat-composer {
  position: sticky;
  bottom: var(--kb-inset, 0px); /* clears the on-screen keyboard — see .play-controls */
  display: flex;
  gap: 10px;
  align-items: flex-end;
  padding: 14px 0;
  background: linear-gradient(to top, var(--bg) 55%, transparent);
}
.chat-composer textarea {
  flex: 1;
  min-height: 44px;
  max-height: 220px;
  resize: none;
  overflow-y: auto;
}
.chat-composer button { flex: none; height: 40px; }