/* ============================================
   TYPOGRAPHY - Base Text Formatting
   ============================================ */

   .message-content {
    line-height: 1.6;
    color: var(--color-text-primary);
}

.message-content p {
    margin: 0 0 16px 0;
    line-height: 1.6;
    color: var(--color-text-primary); /* 🆕 Явно указываем цвет, чтобы совпадал с pre.live */
    font-weight: 400; /* 🆕 Явно указываем вес шрифта */
    opacity: 1; /* 🆕 Убеждаемся, что нет прозрачности */
}

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

/* 🆕 КРИТИЧНО: Исправление наложения сообщений - убираем margin-bottom у последнего параграфа,
   даже если после него есть другие элементы (citations-row, списки и т.д.) */
.message-content p:last-of-type {
    margin-bottom: 0;
}

/* 🆕 Исправление наложения: убираем margin-bottom у параграфа перед citations-row */
.message-content p:has(+ .citations-row) {
    margin-bottom: 0;
}

/* 🆕 Исправление наложения: убираем margin-bottom у последних элементов перед citations-row */
.message-content ul:has(+ .citations-row),
.message-content ol:has(+ .citations-row),
.message-content h1:has(+ .citations-row),
.message-content h2:has(+ .citations-row),
.message-content h3:has(+ .citations-row),
.message-content h4:has(+ .citations-row),
.message-content h5:has(+ .citations-row),
.message-content h6:has(+ .citations-row),
.message-content blockquote:has(+ .citations-row),
.message-content pre:has(+ .citations-row),
.message-content table:has(+ .citations-row) {
    margin-bottom: 0;
}

/* ============================================
   HEADERS - h1 to h6
   ============================================ */

.message-content h1,
.message-content h2,
.message-content h3,
.message-content h4,
.message-content h5,
.message-content h6 {
    margin: 24px 0 16px 0;
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text-heading);
}

.message-content h1:first-child,
.message-content h2:first-child,
.message-content h3:first-child,
.message-content h4:first-child,
.message-content h5:first-child,
.message-content h6:first-child {
    margin-top: 0;
}

.message-content h1 {
    font-size: 28px;
    border-bottom: 1px solid var(--color-border-main);
    padding-bottom: 8px;
}

.message-content h2 {
    font-size: 24px;
    border-bottom: 1px solid var(--color-border-main);
    padding-bottom: 6px;
}

.message-content h3 {
    font-size: 20px;
}

.message-content h4 {
    font-size: 18px;
}

.message-content h5 {
    font-size: 16px;
}

.message-content h6 {
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* ============================================
   LISTS - Bullets and Numbered
   ============================================ */

.message-content ul,
.message-content ol {
    margin: 0 0 16px 0;
    padding-left: 28px;
}

/* 🆕 Исправление наложения: убираем margin-bottom у последних списков */
.message-content ul:last-child,
.message-content ol:last-child,
.message-content ul:last-of-type,
.message-content ol:last-of-type {
    margin-bottom: 0;
}

.message-content ul {
    list-style-type: disc;
}

.message-content ol {
    list-style-type: decimal;
}

.message-content li {
    margin: 6px 0;
    line-height: 1.6;
}

.message-content li > p {
    margin: 6px 0;
}

/* Nested lists */
.message-content ul ul,
.message-content ol ol,
.message-content ul ol,
.message-content ol ul {
    margin: 6px 0;
}

.message-content ul ul {
    list-style-type: circle;
}

.message-content ul ul ul {
    list-style-type: square;
}

/* ============================================
   CODE BLOCKS - GitHub Light Theme
   ============================================ */

.message-content .code-block-wrapper {
    position: relative;
    margin: 16px 0;
}

.message-content pre {
    background: var(--color-bg-sidebar);
    border: 1px solid var(--color-border-main);
    border-radius: 6px;
    padding: 16px;
    padding-top: 40px;
    margin: 0;
    overflow-x: auto;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 13px;
    line-height: 1.5;
    position: relative;
    color: var(--color-text-primary);
}

.message-content pre code {
    background: none;
    border: none;
    padding: 0;
    font-size: inherit;
    color: inherit;
    border-radius: 0;
    display: block;
    white-space: pre;
}

/* Code block header container - contains copy button and language label */
.message-content .code-block-header {
    position: absolute;
    top: 8px;
    right: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 10;
    height: 24px;
}

/* Code block language label - now in header container */
.message-content .code-block-language {
    font-size: 11px;
    line-height: 24px;
    color: var(--color-text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    height: 24px;
    white-space: nowrap;
}

/* Hide CSS ::before label - we use JS element instead */
.message-content pre::before {
    display: none;
}

/* ============================================
   CODE BLOCK COPY BUTTONS
   ============================================ */

/* Top copy button - now inside header container */
.message-content .code-copy-btn-top {
    position: relative;
    color: var(--color-text-secondary);
    border: none !important;
    background: none !important;
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    padding: 0;
    margin: 0;
    cursor: pointer;
    transition: all 0.15s ease;
    opacity: 1;
    line-height: 1;
    flex-shrink: 0;
}

.message-content .code-copy-btn-top i[data-lucide],
.message-content .code-copy-btn-top svg.lucide {
    width: 12px;
    height: 12px;
    stroke-width: 1.5;
    color: var(--color-text-secondary);
    font-weight: 400;
}

.message-content .code-copy-btn-top:hover {
    background: var(--color-bg-hover) !important;
    border: none !important;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.message-content .code-copy-btn-top:hover i[data-lucide],
.message-content .code-copy-btn-top:hover svg.lucide {
    color: var(--color-text-primary);
}

/* Bottom copy button - always visible */
.message-content .code-copy-btn-bottom {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    padding: 0;
    margin-top: -15px;
    color: var(--color-text-secondary);
    border: none !important;
    background: none !important;
    cursor: pointer;
    transition: all 0.15s ease;
    opacity: 1;
    pointer-events: auto;
}

.message-content .code-copy-btn-bottom i[data-lucide],
.message-content .code-copy-btn-bottom svg.lucide {
    width: 12px;
    height: 12px;
    stroke-width: 1.5;
    color: var(--color-text-secondary);
    font-weight: 400;
}

.message-content .code-copy-btn-bottom:hover {
    background: var(--color-bg-hover) !important;
    border: none !important;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.message-content .code-copy-btn-bottom:hover i[data-lucide],
.message-content .code-copy-btn-bottom:hover svg.lucide {
    color: var(--color-text-primary);
}


/* Horizontal scroll for long code */
.message-content pre {
    scrollbar-width: thin;
    scrollbar-color: var(--color-border-main) transparent;
}

.message-content pre::-webkit-scrollbar {
    height: 8px;
}

.message-content pre::-webkit-scrollbar-track {
    background: transparent;
}

.message-content pre::-webkit-scrollbar-thumb {
    background: var(--color-border-main);
    border-radius: 4px;
}

.message-content pre::-webkit-scrollbar-thumb:hover {
    background: var(--color-border-secondary);
}

/* ============================================
   INLINE CODE - Light Gray Background
   ============================================ */

.message-content code {
    background: var(--color-bg-sidebar);
    color: var(--color-text-user);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 0.9em;
    border: 1px solid var(--color-border-main);
}

.message-content pre code {
    background: none;
    border: none;
    padding: 0;
    color: inherit;
}

/* ============================================
   LINKS - Perplexity Style (Minimal Color)
   ============================================ */

.message-content a {
    color: var(--color-text-primary);
    text-decoration: none;
    border-bottom: 1px solid var(--color-border-secondary);
    transition: all 0.2s ease;
}

.message-content a:hover {
    color: var(--color-text-heading);
    border-bottom-color: var(--color-text-primary);
}

/* Citation links - Perplexity style [1] [2] [3] */
.message-content a.citation-link,
.message-content a.citation-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 4px;
    background: var(--color-bg-sidebar);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border-secondary);
    border-radius: 3px;
    font-size: 11px;
    font-weight: 500;
    text-decoration: none;
    margin: 0 2px;
    transition: all 0.15s ease;
}

.message-content a.citation-link:hover,
.message-content a.citation-button:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-text-muted);
    color: var(--color-text-primary);
}

/* ============================================
   TABLES - Clean Borders + Hover
   ============================================ */

.message-content table {
    border-collapse: collapse;
    width: 100%;
    margin: 16px 0;
    border: 1px solid var(--color-border-secondary);
    border-radius: 6px;
    overflow: hidden;
}

.message-content thead {
    background: var(--color-bg-sidebar);
}

.message-content th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--color-text-heading);
    border-bottom: 2px solid var(--color-border-secondary);
    border-right: 1px solid var(--color-border-main);
}

.message-content th:last-child {
    border-right: none;
}

.message-content td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border-main);
    border-right: 1px solid var(--color-border-main);
    color: var(--color-text-primary);
}

.message-content td:last-child {
    border-right: none;
}

.message-content tbody tr:last-child td {
    border-bottom: none;
}

.message-content tbody tr:hover {
    background: var(--color-bg-sidebar);
    transition: background 0.15s ease;
}

/* Scrollable tables when content is too wide */
.message-content table {
    display: block;
    overflow-x: auto;
    max-width: 100%;
}

/* On mobile, prevent text wrapping in cells */
@media (max-width: 768px) {
    .message-content table {
        white-space: nowrap;
    }
}

/* ============================================
   BLOCKQUOTES - Left Border Style
   ============================================ */

.message-content blockquote {
    margin: 16px 0;
    padding: 12px 20px;
    border-left: 4px solid var(--color-border-secondary);
    background: var(--color-bg-sidebar);
    color: var(--color-text-secondary);
    font-style: italic;
}

.message-content blockquote p {
    margin: 0;
}

.message-content blockquote p:not(:last-child) {
    margin-bottom: 8px;
}

/* ============================================
   HORIZONTAL RULES - Subtle Dividers
   ============================================ */

.message-content hr {
    border: none;
    border-top: 1px solid var(--color-border-main);
    margin: 24px 0;
}

/* ============================================
   STRONG & EMPHASIS
   ============================================ */

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

.message-content em,
.message-content i {
    font-style: italic;
}

/* ============================================
   IMAGES IN MARKDOWN
   ============================================ */

.message-content img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin: 16px 0;
}

/* ============================================
   DEFINITION LISTS
   ============================================ */

.message-content dl {
    margin: 16px 0;
}

.message-content dt {
    font-weight: 600;
    margin-top: 16px;
    color: var(--color-text-heading);
}

.message-content dd {
    margin: 4px 0 0 20px;
    color: var(--color-text-secondary);
}

/* ============================================
   TASK LISTS (GitHub Style)
   ============================================ */

.message-content input[type="checkbox"] {
    margin-right: 8px;
}

.message-content .task-list-item {
    list-style-type: none;
    margin-left: -20px;
}

/* ============================================
   CODE SYNTAX HIGHLIGHTING OVERRIDE
   GitHub Light compatible colors
   ============================================ */

.message-content pre code .hljs-comment,
.message-content pre code .hljs-quote {
    color: #6a737d;
}

.message-content pre code .hljs-keyword,
.message-content pre code .hljs-selector-tag {
    color: #d73a49;
}

.message-content pre code .hljs-string,
.message-content pre code .hljs-attr {
    color: #032f62;
}

.message-content pre code .hljs-number,
.message-content pre code .hljs-literal {
    color: #005cc5;
}

.message-content pre code .hljs-function,
.message-content pre code .hljs-title {
    color: #6f42c1;
}

.message-content pre code .hljs-variable {
    color: #e36209;
}

/* ============================================
   RESPONSIVE - Mobile Adjustments
   ============================================ */

@media (max-width: 768px) {
    .message-content h1 {
        font-size: 24px;
    }
    
    .message-content h2 {
        font-size: 20px;
    }
    
    .message-content h3 {
        font-size: 18px;
    }
    
    .message-content pre {
        padding: 12px;
        font-size: 12px;
    }
    
    .message-content ul,
    .message-content ol {
        padding-left: 20px;
    }
}