/* author: https://github.com/nhermab
   rewrite by: https://github.com/broodje565 */

.practice-chat-panel {
  grid-area: chat;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.teacher-status {
  font-size: 0.75rem;
  margin-bottom: 0.35rem;
  flex: 0 0 auto;
  color: var(--color-text-muted);
}

.teacher-status.is-connecting {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.teacher-connecting-label {
  opacity: 0.85;
}

.teacher-connecting-dots {
  display: inline-flex;
  gap: 0.16rem;
}

.teacher-connecting-dots span {
  width: 0.26rem;
  height: 0.26rem;
  border-radius: 999px;
  background: var(--color-text-soft);
  opacity: 0.25;
}

.teacher-messages {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  border-radius: var(--border-radius);
  background: var(--color-bg-card);
  padding: 0.5rem 0.6rem;
  margin-bottom: 0;
  border: 1px solid var(--border-color);
}

.teacher-message {
  margin-bottom: 0.55rem;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.35s var(--transition-base), transform 0.35s var(--transition-base);
}

.teacher-message:last-child {
  margin-bottom: 0;
}

.teacher-message.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.teacher-message-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.7;
  margin-bottom: 0.1rem;
}

.teacher-message-body {
  font-size: 0.85rem;
  line-height: 1.45;
  white-space: normal;
}

.teacher-message-user .teacher-message-body {
  background: var(--color-bg-card-soft);
  color: var(--color-text);
  border-radius: var(--border-radius-sm);
  padding: 0.35rem 0.55rem;
}

.teacher-message-assistant .teacher-message-body {
  background: var(--color-bg-darker);
  border: 1px solid var(--border-color);
  color: var(--color-text);
  border-radius: var(--border-radius-sm);
  padding: 0.35rem 0.55rem;
}

.teacher-message-body .markdown-body {
  max-width: 100%;
}

.teacher-message-body .markdown-body p {
  margin: 0.25rem 0;
}

.teacher-message-body .markdown-body p:first-child {
  margin-top: 0;
}

.teacher-message-body .markdown-body p:last-child {
  margin-bottom: 0;
}

.teacher-form {
  display: flex;
  flex-direction: column;
  margin-top: 0.5rem;
  flex: 0 0 auto;
}

.teacher-input-wrapper {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: var(--color-bg-card-soft);
  padding: 0.1rem 0.2rem 0.1rem 0.6rem;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.teacher-input-wrapper:focus-within {
  border-color: var(--color-primary);
}

.teacher-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  color: var(--color-text);
  font: inherit;
  resize: none;
  min-height: 2.1rem;
  max-height: 5rem;
  overflow-y: auto;
}

.teacher-input::placeholder {
  color: var(--color-text-muted);
}

.teacher-send-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  cursor: pointer;
  background: var(--color-bg-card-soft);
  color: var(--color-text);
}

.teacher-send-button:hover {
  background: var(--color-bg-card);
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

.teacher-send-button:active {
  transform: translateY(1px);
}

.teacher-send-button:disabled {
  opacity: 0.6;
  cursor: default;
}

.teacher-typing-indicator {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
  margin-bottom: 0.35rem;
  opacity: 0;
  transition: opacity 0.3s var(--transition-base);
}

.teacher-typing-indicator[style*="display: block"] {
  opacity: 1;
}

.teacher-typing-dots {
  display: inline-flex;
  gap: 0.18rem;
}

.teacher-typing-dots span {
  width: 0.28rem;
  height: 0.28rem;
  border-radius: 999px;
  background: var(--color-text-soft);
  opacity: 0.3;
}

.teacher-code-toolbar {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-bottom: 0.25rem;
  font-size: 0.7rem;
}

.teacher-code-btn {
  border: none;
  border-radius: 999px;
  padding: 0.12rem 0.5rem;
  cursor: pointer;
  background: var(--color-bg-card-soft);
  color: var(--color-text);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.teacher-code-btn:hover {
  background: var(--color-bg-card);
  color: var(--color-text-soft);
}

.teacher-code-btn:active {
  transform: translateY(1px);
}