/* coach.css — ИИ-коуч: тред, быстрые подсказки, композер. */

.chat {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  min-height: 60vh;
}

.chat__thread-wrap {
  flex: 1;
  overflow-y: auto;
  max-height: 56vh;
  padding-right: var(--space-2);
}

.chat-thread {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  list-style: none;
  margin: 0;
  padding: 0;
}

.chat-bubble {
  max-width: 78%;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.chat-bubble--user { align-self: flex-end; align-items: flex-end; }
.chat-bubble--coach { align-self: flex-start; align-items: flex-start; }

.chat-bubble__body {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  line-height: var(--leading-relaxed);
  white-space: pre-wrap;
  word-break: break-word;
}
.chat-bubble--user .chat-bubble__body {
  background: var(--clr-primary);
  color: #fff;
  border-bottom-right-radius: var(--radius-xs);
}
.chat-bubble--coach .chat-bubble__body {
  background: var(--clr-surface-3);
  color: var(--clr-text-1);
  border-bottom-left-radius: var(--radius-xs);
}

.chat-bubble__meta {
  display: flex;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--clr-text-3);
}
.chat-bubble__note { font-style: italic; }

.chat-empty {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-8) var(--space-4);
}
.chat-empty__title {
  font-family: var(--font-heading);
  font-weight: var(--font-bold);
  font-size: var(--text-lg);
}

/* Индикатор набора */
.chat-bubble--typing .chat-bubble__body {
  display: flex;
  gap: 5px;
  align-items: center;
}
.chat-bubble--typing .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--clr-text-3);
  animation: chat-typing 1.2s infinite ease-in-out;
}
.chat-bubble--typing .dot:nth-child(2) { animation-delay: 0.2s; }
.chat-bubble--typing .dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes chat-typing {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-3px); }
}

/* Быстрые подсказки */
.chat__chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.chip {
  padding: var(--space-2) var(--space-4);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-full);
  background: var(--clr-surface);
  color: var(--clr-text-2);
  font-weight: var(--font-medium);
  transition: border-color var(--transition-fast), color var(--transition-fast);
}
.chip:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
}

/* Композер */
.chat__composer {
  display: flex;
  gap: var(--space-2);
  align-items: flex-end;
}
.chat__input {
  flex: 1;
  resize: none;
  line-height: var(--leading-relaxed);
  max-height: 160px;
}
.chat__limit-note {
  font-size: var(--text-sm);
  color: var(--clr-text-3);
  text-align: center;
}

.breakdown-result { margin-top: var(--space-2); }
.breakdown-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin: 0;
  padding-left: var(--space-5);
}
.breakdown-steps li {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  line-height: var(--leading-relaxed);
}

@media (prefers-reduced-motion: reduce) {
  .chat-bubble--typing .dot { animation: none; }
}

@media (max-width: 640px) {
  .chat-bubble { max-width: 90%; }
}