.chat-panel {
  display: flex;
  flex-direction: column;
}

.chat-stream {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  min-height: 420px;
  padding-right: 4px;
  overflow: auto;
  font-family: "IBM Plex Mono", "Consolas", monospace;
}

.message-card,
.system-card {
  padding: 12px 12px 11px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.015), transparent 70%),
    #121212;
}

.message-card.self {
  border-color: rgba(98, 165, 255, 0.28);
  background:
    linear-gradient(180deg, rgba(98, 165, 255, 0.08), transparent 72%),
    #121212;
}

.system-card {
  color: var(--amber);
  font-size: 0.82rem;
  background: #101010;
}

.message-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 7px;
}

.message-user {
  font-weight: 700;
  color: var(--text-main);
}

.message-time {
  color: var(--text-dim);
  font-size: 0.74rem;
}

.message-body {
  line-height: 1.5;
  color: var(--text-soft);
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.84rem;
}

.message-image {
  display: block;
  max-width: min(100%, 380px);
  border-radius: 10px;
  border: 1px solid var(--line-strong);
}

.chat-composer {
  display: grid;
  gap: 10px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.composer-field textarea {
  width: 100%;
  padding: 12px 13px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text-main);
  background: var(--bg-input);
  resize: vertical;
  min-height: 92px;
  outline: none;
  font-family: "IBM Plex Mono", "Consolas", monospace;
}

.composer-field textarea:focus {
  border-color: rgba(98, 165, 255, 0.4);
}

.composer-actions {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

@media (max-width: 720px) {
  .composer-actions {
    flex-direction: column;
  }
}