/* ─── Message Bubbles ─── */
.message {
  display: flex;
  gap: 12px;
  padding: 16px 0;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 14px;
}

.message.user .message-avatar {
  background: var(--accent-code-bg);
  color: var(--accent-primary);
}

.message.assistant .message-avatar {
  background: var(--accent-cowork-bg);
  color: var(--accent-secondary);
}

.message-body {
  flex: 1;
  min-width: 0;
}

.message-role {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
  text-transform: capitalize;
}

.message-content {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-primary);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* Markdown content styling */
.message-content p {
  margin-bottom: 12px;
}
.message-content p:last-child {
  margin-bottom: 0;
}

.message-content h1,
.message-content h2,
.message-content h3,
.message-content h4 {
  margin: 20px 0 8px;
  color: var(--text-primary);
  font-weight: 600;
}
.message-content h1 { font-size: 1.4em; }
.message-content h2 { font-size: 1.2em; }
.message-content h3 { font-size: 1.1em; }

.message-content ul,
.message-content ol {
  margin: 8px 0;
  padding-left: 24px;
}
.message-content li {
  margin-bottom: 4px;
}

.message-content blockquote {
  border-left: 3px solid var(--accent-primary);
  padding: 8px 16px;
  margin: 12px 0;
  background: var(--bg-tertiary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-secondary);
}

.message-content a {
  color: var(--accent-primary);
  text-decoration: none;
}
.message-content a:hover {
  text-decoration: underline;
}

.message-content strong {
  font-weight: 600;
  color: var(--text-primary);
}

.message-content em {
  font-style: italic;
  color: var(--text-secondary);
}

/* Inline code */
.message-content code {
  background: var(--bg-code);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.88em;
  color: var(--accent-code);
}

/* Code blocks */
.message-content pre {
  margin: 12px 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-code);
  border: 1px solid var(--border-subtle);
}

.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background: var(--bg-code-header);
  border-bottom: 1px solid var(--border-subtle);
}

.code-block-lang {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-tertiary);
  text-transform: uppercase;
}

.code-block-copy {
  padding: 3px 8px;
  font-size: 11px;
  background: transparent;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.code-block-copy:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.code-block-copy.copied {
  color: var(--success);
  border-color: var(--success);
}

.message-content pre code {
  display: block;
  padding: 14px;
  overflow-x: auto;
  background: transparent;
  color: var(--text-primary);
  font-size: 13px;
  line-height: 1.6;
}

/* Tables */
.message-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 13px;
}
.message-content th,
.message-content td {
  padding: 8px 12px;
  border: 1px solid var(--border-primary);
  text-align: left;
}
.message-content th {
  background: var(--bg-tertiary);
  font-weight: 600;
}

/* Horizontal rule */
.message-content hr {
  border: none;
  border-top: 1px solid var(--border-primary);
  margin: 20px 0;
}

/* ─── Streaming indicator ─── */
.streaming-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--accent-primary);
  margin-left: 2px;
  animation: blink 1s infinite;
  vertical-align: text-bottom;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* ─── Typing indicator ─── */
.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 8px 0;
}
.typing-indicator span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-tertiary);
  animation: typing 1.4s infinite;
}
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-4px); opacity: 1; }
}

/* ─── Toast Notifications ─── */
.toast-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  color: var(--text-primary);
  font-size: 13px;
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease;
  max-width: 360px;
}
.toast.success {
  border-color: var(--success);
  background: rgba(110, 231, 160, 0.1);
}
.toast.error {
  border-color: var(--danger);
  background: var(--danger-bg);
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ─── Empty state ─── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  color: var(--text-tertiary);
  font-size: 13px;
  text-align: center;
}