/* Markdown content styling inside messages */
.message-body h1,
.message-body h2,
.message-body h3,
.message-body h4 {
  margin-top: 1em;
  margin-bottom: 0.5em;
  font-weight: 600;
  line-height: 1.3;
}

.message-body h1 { font-size: 1.375rem; }
.message-body h2 { font-size: 1.1875rem; }
.message-body h3 { font-size: 1.0625rem; }
.message-body h4 { font-size: 1rem; }

.message-body h1:first-child,
.message-body h2:first-child,
.message-body h3:first-child {
  margin-top: 0;
}

.message-body p {
  margin-bottom: 0.75em;
}

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

.message-body ul,
.message-body ol {
  margin-bottom: 0.75em;
  padding-left: 1.5em;
}

.message-body li {
  margin-bottom: 0.25em;
}

.message-body li > ul,
.message-body li > ol {
  margin-top: 0.25em;
  margin-bottom: 0;
}

/* Inline code */
.message-body code {
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.85em;
  padding: 0.15em 0.4em;
  background-color: var(--bg-code);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

/* Code blocks */
.message-body pre {
  position: relative;
  margin: 0.75em 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
}

.message-body pre code {
  display: block;
  padding: 16px;
  overflow-x: auto;
  font-size: 0.8125rem;
  line-height: 1.6;
  border: none;
  background: var(--bg-code);
}

/* Code block header */
.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 12px;
  background-color: var(--bg-active);
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.code-lang {
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.75rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  background-color: var(--bg-hover);
  color: var(--text-primary);
}

.copy-btn.copied {
  color: var(--success);
}

/* Blockquote */
.message-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.5em 1em;
  margin: 0.75em 0;
  color: var(--text-secondary);
  background-color: var(--bg-secondary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* Table */
.message-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.75em 0;
  font-size: 0.875rem;
}

.message-body th,
.message-body td {
  padding: 8px 12px;
  border: 1px solid var(--border);
  text-align: left;
}

.message-body th {
  background-color: var(--bg-secondary);
  font-weight: 600;
}

.message-body tr:nth-child(even) {
  background-color: var(--bg-secondary);
}

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

/* Strong / Em */
.message-body strong {
  font-weight: 600;
}

/* Images */
.message-body img {
  border-radius: var(--radius-md);
  margin: 0.5em 0;
}