/* Relentless Coach Web_Client — chat interface styles (task 16.3). */

#chat-messages {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0.75rem;
  min-height: 5rem;
  max-height: 55vh;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-raised);
}

/* Empty state: an empty conversation container is a meaningless box —
   say what belongs here and point at the ways to start. */
#chat-messages:empty::before {
  content: "Your conversation with your coach appears here. Say hi in the box below, or tap a quick action to get started.";
  display: block;
  color: var(--muted);
  font-size: 0.95rem;
  padding: 0.5rem 0.25rem;
}

.chat-message { margin-bottom: 0.85rem; }
.chat-message:last-child { margin-bottom: 0; }

.chat-role {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.chat-message-coach .chat-role { color: var(--accent); }

.chat-text {
  margin: 0.15rem 0 0;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.chat-message-actor .chat-text {
  border-left: 3px solid var(--border);
  padding-left: 0.6rem;
}

.chat-message-coach .chat-text {
  border-left: 3px solid var(--accent);
  padding-left: 0.6rem;
  /* Rendered markdown manages its own block spacing. */
  white-space: normal;
}

/* Streaming: plain text while deltas arrive, with a typing cursor. */
.chat-text.chat-streaming { white-space: pre-wrap; }
.chat-text.chat-streaming::after {
  content: "\258B";
  margin-left: 1px;
  color: var(--accent);
  animation: chat-cursor 1s steps(2) infinite;
}
@keyframes chat-cursor { 50% { opacity: 0; } }

/* Rendered coach markdown: compact spacing inside the chat bubble. */
.chat-message-coach .chat-text p { margin: 0.35rem 0; }
.chat-message-coach .chat-text h4,
.chat-message-coach .chat-text h5 {
  margin: 0.6rem 0 0.25rem;
  color: var(--accent);
}
.chat-message-coach .chat-text ul,
.chat-message-coach .chat-text ol { margin: 0.35rem 0; padding-left: 1.4rem; }
.chat-message-coach .chat-text li { margin: 0.15rem 0; }
.chat-message-coach .chat-text hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0.6rem 0;
}
.chat-message-coach .chat-text code {
  background: var(--bg-inset);
  padding: 0 0.25rem;
  border-radius: 4px;
  font-size: 0.9em;
}
.chat-message-coach .chat-text table {
  border-collapse: collapse;
  margin: 0.5rem 0;
  font-size: 0.9rem;
  display: block;
  overflow-x: auto;
  max-width: 100%;
}
.chat-message-coach .chat-text th,
.chat-message-coach .chat-text td {
  border: 1px solid var(--border);
  padding: 0.3rem 0.5rem;
  text-align: left;
}
.chat-message-coach .chat-text th { background: var(--bg-inset); color: var(--muted); }

.chat-message-coach .chat-text a { color: var(--accent); }

/* Quick-reply chips: one-tap starters for common coaching actions. */
.chat-chips {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 0 0 0.75rem;
}

.chat-chips button {
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.4rem 0.9rem;
  min-height: 40px;
}

#chat-form { margin-bottom: 1.25rem; }

#chat-form label { color: var(--muted); font-size: 0.9rem; }

#chat-form textarea {
  display: block;
  width: 100%;
  min-height: 4rem;
  padding: 0.6rem;
  margin-bottom: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  resize: vertical;
  color: var(--fg);
  background: var(--bg-inset);
}

#data-controls {
  margin-top: 2rem;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

#data-controls summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--muted);
}

button.danger {
  border-color: var(--error);
  background: var(--error);
  color: #fff;
}

button.danger.secondary {
  background: transparent;
  color: var(--error);
}

#gdpr-confirm {
  margin-top: 1rem;
  padding: 0.75rem;
  border: 1px solid var(--error);
  border-radius: 8px;
}

#gdpr-status {
  margin-top: 0.75rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--done);
  border-radius: 8px;
  color: var(--done);
}

#gdpr-status[hidden],
#gdpr-error[hidden] { display: none; }