/* --------------------------------
   File: single-content.css
   Description: Styles for single post content
   -------------------------------- */

/*------------------------------------*\
  #MAIN CONTENT AREA
\*------------------------------------*/
.single-content {
    max-width: var(--jay-single-content-width);
    margin: 0 auto;
    width: 100%;
    font-family: var(--jay-font-sans, 'Inter', system-ui, sans-serif);
    line-height: var(--jay-single-line-height);
    color: var(--jay-single-dark);
    /* Add these styles to create visual distinction */
    background-color: white;
    border-radius: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 2.5rem;
    position: relative;
    z-index: 10;
}

@media (max-width: 767px) {
    .single-content {
        padding: 1rem;
        border-radius: 0.75rem;
    }
}

/* Extra small screens optimization */
@media (max-width: 480px) {
    .single-content {
        padding: 0.75rem;
        border-radius: 0.5rem;
    }
}

/*------------------------------------*\
  #TYPOGRAPHY
\*------------------------------------*/

/* H1 Headings - Main Title */
.single-content h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-top: 0;
    margin-bottom: 2rem;
    color: var(--jay-single-dark);
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-align: left;
    position: relative;
    scroll-margin-top: calc(var(--jay-header-height, 50px) + 2rem);
}

/* Elegant gradient underline for H1 */
.single-content h1::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--jay-single-primary) 0%, var(--jay-single-secondary) 50%, transparent 100%);
    border-radius: 4px;
}

/* H2 Headings - Major Sections */
.single-content h2 {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    color: var(--jay-single-dark);
    line-height: 1.3;
    scroll-margin-top: calc(var(--jay-header-height, 50px) + 2rem);
    position: relative;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(147, 197, 253, 0.2);
    font-weight: 700;
    letter-spacing: -0.01em;
}

/* Elegant decorative element for H2 */
.single-content h2::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--jay-single-primary), var(--jay-single-secondary));
    border-radius: 3px;
    transition: width 0.3s ease;
}

/* Hover effect for H2 decorative element */
.single-content h2:hover::after {
    width: 120px;
}

/* H2 hover effect - màu sắc */
.single-content h2:hover {
    color: var(--jay-single-primary);
    transition: color 0.3s ease;
}

/* H3 Headings - Sub-sections */
.single-content h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--jay-single-primary);
    line-height: 1.3;
    scroll-margin-top: calc(var(--jay-header-height, 50px) + 2rem);
    position: relative;
    padding-left: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
}

/* Elegant decorative element for H3 */
.single-content h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 70%;
    background: linear-gradient(180deg, var(--jay-single-primary), var(--jay-single-secondary));
    border-radius: 4px;
}

/* H3 hover effect */
.single-content h3:hover {
    transform: translateX(3px);
    transition: transform 0.3s ease;
}

/* H4 Headings - Minor sections */
.single-content h4 {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--jay-single-dark);
    line-height: 1.4;
    scroll-margin-top: calc(var(--jay-header-height, 50px) + 2rem);
    position: relative;
    font-weight: 600;
    letter-spacing: -0.005em;
}

/* Subtle decorative element for H4 */
.single-content h4::before {
    content: '▸';
    color: var(--jay-single-secondary);
    font-weight: 700;
    margin-right: 0.5rem;
    font-size: 0.9em;
}

/* H4 hover effect */
.single-content h4:hover {
    color: var(--jay-single-primary);
    transition: color 0.3s ease;
}

/* H5 Headings - Sub-minor sections */
.single-content h5 {
    font-size: clamp(1rem, 2vw, 1.25rem);
    margin-top: 1.75rem;
    margin-bottom: 0.75rem;
    color: var(--jay-single-dark);
    line-height: 1.4;
    scroll-margin-top: calc(var(--jay-header-height, 50px) + 2rem);
    font-weight: 600;
    position: relative;
    padding-left: 1.25rem;
}

/* Decorative element for H5 */
.single-content h5::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.4em;
    width: 8px;
    height: 8px;
    background: var(--jay-single-secondary);
    border-radius: 50%;
    box-shadow: 0 0 0 2px rgba(147, 197, 253, 0.3);
}

/* H5 hover effect */
.single-content h5:hover {
    color: var(--jay-single-primary);
    transition: color 0.3s ease;
}

/* H6 Headings - Smallest sections */
.single-content h6 {
    font-size: clamp(0.95rem, 1.8vw, 1.125rem);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--jay-single-gray);
    line-height: 1.4;
    scroll-margin-top: calc(var(--jay-header-height, 50px) + 2rem);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.9rem;
}

/* H6 decorative underline */
.single-content h6::after {
    content: '';
    display: block;
    width: 40px;
    height: 1px;
    background: var(--jay-single-secondary);
    margin-top: 0.25rem;
}

/* H6 hover effect */
.single-content h6:hover {
    color: var(--jay-single-primary);
    transition: color 0.3s ease;
}

/* Hash symbol for heading IDs */
.single-content h2[id]::before {
    content: '#';
    position: absolute;
    left: -1.5rem;
    opacity: 0;
    color: var(--jay-single-secondary);
    font-weight: 400;
    transition: opacity 0.2s ease;
}

.single-content h3[id]::before {
    content: '';  /* Empty for H3 due to existing decorative element */
}

.single-content h4[id]::before,
.single-content h5[id]::before,
.single-content h6[id]::before {
    content: '#';
    position: absolute;
    left: -1.2rem;
    opacity: 0;
    color: var(--jay-single-secondary);
    font-weight: 400;
    transition: opacity 0.2s ease;
    font-size: 0.8em;
}

.single-content h2[id]:hover::before,
.single-content h4[id]:hover::before,
.single-content h5[id]:hover::before,
.single-content h6[id]:hover::before {
    opacity: 1;
}

/* Paragraphs */
.single-content p {
    margin-bottom: 1.5rem;
    font-size: var(--jay-single-body-size);
}

/* Links */
.single-content a {
    color: var(--jay-single-primary);
    text-decoration: underline;
    text-decoration-color: rgba(147, 197, 253, 0.5);
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
    transition: text-decoration-color 0.3s ease;
}

.single-content a:hover {
    text-decoration-color: var(--jay-single-primary);
}

/*------------------------------------*\
  #CODE BLOCKS & SYNTAX HIGHLIGHTING
\*------------------------------------*/

/* Code blocks */
.single-content pre {
    background: linear-gradient(to bottom, rgba(30, 58, 138, 0.07), rgba(30, 58, 138, 0.04));
    border-radius: 0.5rem;
    padding: 1.25rem;
    margin: 2rem 0;
    overflow-x: auto;
    border: 1px solid rgba(30, 58, 138, 0.15);
    box-shadow: 0 2px 10px rgba(30, 58, 138, 0.07);
    position: relative;
    padding-left: 3.5rem;
    padding-top: 2rem;
}

.single-content code {
    font-family: 'JetBrains Mono', Consolas, Monaco, 'Andale Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--jay-single-dark);
}

.single-content pre code {
    color: var(--jay-single-dark);
    display: block;
    width: 100%;
    line-height: 1.6;
    position: relative;
    font-variant-ligatures: none;
    white-space: pre-wrap; /* Cho phép tự động xuống dòng */
    word-wrap: break-word; /* Đảm bảo từ dài sẽ được ngắt xuống dòng */
}

/* Đảm bảo số dòng vẫn hiển thị đúng khi code xuống dòng */
.single-content pre code::before {
    counter-increment: line;
    content: counter(line);
    position: absolute;
    left: -2.5rem;
    width: 1.5rem;
    color: rgba(30, 58, 138, 0.4);
    text-align: right;
    font-size: 0.75rem;
    height: 1.6em; /* Chiều cao bằng với line-height */
    line-height: 1.6;
    white-space: nowrap;
}

/* Inline code */
.single-content :not(pre) > code {
    background: rgba(147, 197, 253, 0.15);
    color: var(--jay-single-primary);
    padding: 0.2rem 0.4rem;
    border-radius: 0.25rem;
    font-size: 0.875em;
    border: 1px solid rgba(147, 197, 253, 0.3);
}

/* Syntax highlighting cho các ngôn ngữ phổ biến - màu phù hợp với theme */
.single-content .language-php,
.single-content .language-javascript,
.single-content .language-html,
.single-content .language-css,
.single-content .language-json,
.single-content .language-bash,
.single-content .language-python {
    color: var(--jay-single-dark);
}

/* Các phần tử cú pháp thường gặp */
.single-content .comment { color: #718096; }
.single-content .keyword { color: #1E3A8A; }
.single-content .string { color: #3182CE; }
.single-content .number { color: #2B6CB0; }
.single-content .function { color: #5A67D8; }
.single-content .property { color: #2C5282; }
.single-content .operator { color: #1A365D; }
.single-content .punctuation { color: #4A5568; }

/* Add title bar for code blocks */
.single-content pre::before {
    content: 'Code';
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(30, 58, 138, 0.1);
    color: var(--jay-single-primary);
    font-size: 0.8rem;
    padding: 0.25rem 1.25rem;
    font-weight: 500;
    border-top-left-radius: 0.5rem;
    border-top-right-radius: 0.5rem;
    border-bottom: 1px solid rgba(30, 58, 138, 0.1);
}

/*------------------------------------*\
  #BLOCKQUOTES
\*------------------------------------*/
.single-content blockquote {
    border-left: 4px solid var(--jay-single-secondary);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--jay-single-gray);
}

/*------------------------------------*\
  #LISTS
\*------------------------------------*/
.single-content ul,
.single-content ol {
    margin: 1.5rem 0 1.5rem 1.5rem;
    padding-left: 1rem;
}

.single-content li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

/* Styled unordered lists */
.single-content ul li {
    position: relative;
    list-style: none;
    padding-left: 1.5rem;
}

.single-content ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 6px;
    height: 6px;
    background: var(--jay-single-primary);
    border-radius: 50%;
    transform: translateY(-50%);
}

/* Nested list styles */
.single-content ul ul li::before {
    width: 4px;
    height: 4px;
    background: var(--jay-single-secondary);
}

.single-content ul ul ul li::before {
    width: 2px;
    height: 2px;
    background: var(--jay-single-gray);
}

/* Ordered lists */
.single-content ol {
    counter-reset: list-counter;
}

.single-content ol li {
    position: relative;
    counter-increment: list-counter;
    list-style: none;
    padding-left: 2rem;
}

.single-content ol li::before {
    content: counter(list-counter) '.';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--jay-single-primary);
    font-weight: 600;
    font-size: 0.9em;
}

/* Definition Lists */
.single-content dl {
    margin: 1.5rem 0;
}

.single-content dt {
    font-weight: 600;
    color: var(--jay-single-primary);
    margin-top: 1rem;
    margin-bottom: 0.25rem;
}

.single-content dd {
    margin-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--jay-single-gray);
    padding-left: 1rem;
    border-left: 2px solid rgba(147, 197, 253, 0.3);
}

/*------------------------------------*\
  #TABLES
\*------------------------------------*/
.single-content table {
    width: 100%;
    margin: 2rem 0;
    border-collapse: collapse;
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    background: white;
    border: 1px solid rgba(147, 197, 253, 0.2);
}

.single-content thead {
    background: linear-gradient(135deg, var(--jay-single-primary), var(--jay-single-secondary));
    color: white;
}

.single-content th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.single-content td {
    padding: 1rem;
    border-bottom: 1px solid rgba(147, 197, 253, 0.1);
    color: var(--jay-single-dark);
}

.single-content tbody tr:hover {
    background-color: rgba(147, 197, 253, 0.05);
    transition: background-color 0.2s ease;
}

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

/* Responsive table wrapper */
.single-content table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
}

@media (max-width: 767px) {
    .single-content table {
        font-size: 0.875rem;
    }
    
    .single-content th,
    .single-content td {
        padding: 0.75rem 0.5rem;
    }
}

/*------------------------------------*\
  #FORMS & INPUT ELEMENTS
\*------------------------------------*/
.single-content form {
    margin: 2rem 0;
    padding: 1.5rem;
    background: rgba(147, 197, 253, 0.05);
    border-radius: 0.5rem;
    border: 1px solid rgba(147, 197, 253, 0.2);
}

.single-content input[type="text"],
.single-content input[type="email"],
.single-content input[type="password"],
.single-content input[type="url"],
.single-content input[type="tel"],
.single-content input[type="number"],
.single-content input[type="search"],
.single-content textarea,
.single-content select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid rgba(147, 197, 253, 0.3);
    border-radius: 0.375rem;
    font-size: 1rem;
    font-family: inherit;
    background: white;
    color: var(--jay-single-dark);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.single-content input:focus,
.single-content textarea:focus,
.single-content select:focus {
    outline: none;
    border-color: var(--jay-single-primary);
    box-shadow: 0 0 0 3px rgba(147, 197, 253, 0.1);
}

.single-content label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--jay-single-dark);
}

.single-content button,
.single-content input[type="submit"],
.single-content input[type="button"] {
    background: linear-gradient(135deg, var(--jay-single-primary), var(--jay-single-secondary));
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.375rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.single-content button:hover,
.single-content input[type="submit"]:hover,
.single-content input[type="button"]:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
}

/*------------------------------------*\
  #SPECIAL ELEMENTS
\*------------------------------------*/

/* Abbreviations */
.single-content abbr {
    text-decoration: underline dotted;
    cursor: help;
    border-bottom: 1px dotted var(--jay-single-primary);
}

/* Address */
.single-content address {
    font-style: normal;
    padding: 1rem;
    background: rgba(147, 197, 253, 0.05);
    border-left: 4px solid var(--jay-single-secondary);
    margin: 1.5rem 0;
    border-radius: 0 0.375rem 0.375rem 0;
}

/* Citations */
.single-content cite {
    font-style: italic;
    color: var(--jay-single-gray);
}

/* Keyboard shortcuts */
.single-content kbd {
    background: #f1f5f9;
    border: 1px solid #cbd5e1;
    border-radius: 0.25rem;
    padding: 0.125rem 0.375rem;
    font-family: 'JetBrains Mono', Consolas, Monaco, monospace;
    font-size: 0.75rem;
    color: var(--jay-single-dark);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Sample output */
.single-content samp {
    background: #1e293b;
    color: #e2e8f0;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-family: 'JetBrains Mono', Consolas, Monaco, monospace;
    font-size: 0.875rem;
}

/* Variables */
.single-content var {
    font-style: italic;
    color: var(--jay-single-secondary);
    font-weight: 500;
}

/* Deleted text */
.single-content del {
    text-decoration: line-through;
    color: #dc2626;
    background: rgba(220, 38, 38, 0.1);
    padding: 0.125rem 0.25rem;
    border-radius: 0.25rem;
}

/* Inserted text */
.single-content ins {
    text-decoration: none;
    color: #059669;
    background: rgba(5, 150, 105, 0.1);
    padding: 0.125rem 0.25rem;
    border-radius: 0.25rem;
}

/* Marked/highlighted text */
.single-content mark {
    background: linear-gradient(120deg, transparent 0%, rgba(255, 235, 59, 0.3) 0%, rgba(255, 235, 59, 0.3) 100%, transparent 100%);
    padding: 0.125rem 0.25rem;
    border-radius: 0.25rem;
    color: inherit;
}

/* Small text */
.single-content small {
    font-size: 0.875em;
    color: var(--jay-single-gray);
}

/* Subscript and superscript */
.single-content sub,
.single-content sup {
    font-size: 0.75em;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
}

.single-content sup {
    top: -0.5em;
}

.single-content sub {
    bottom: -0.25em;
}

/*------------------------------------*\
  #DETAILS & SUMMARY (Collapsible Content)
\*------------------------------------*/
.single-content details {
    margin: 1.5rem 0;
    padding: 1rem;
    background: rgba(147, 197, 253, 0.05);
    border: 1px solid rgba(147, 197, 253, 0.2);
    border-radius: 0.5rem;
}

.single-content summary {
    font-weight: 600;
    color: var(--jay-single-primary);
    cursor: pointer;
    padding: 0.5rem;
    margin: -0.5rem;
    border-radius: 0.375rem;
    transition: background-color 0.2s ease;
    list-style: none;
    position: relative;
    padding-left: 2rem;
}

.single-content summary:hover {
    background-color: rgba(147, 197, 253, 0.1);
}

/* Custom arrow for summary */
.single-content summary::before {
    content: '▶';
    position: absolute;
    left: 0.5rem;
    transition: transform 0.3s ease;
    color: var(--jay-single-secondary);
}

.single-content details[open] summary::before {
    transform: rotate(90deg);
}

/* Hide default marker */
.single-content summary::-webkit-details-marker {
    display: none;
}

.single-content details[open] summary {
    margin-bottom: 1rem;
}

/*------------------------------------*\
  #HORIZONTAL RULE
\*------------------------------------*/
.single-content hr {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--jay-single-secondary), transparent);
    margin: 3rem 0;
    position: relative;
}

.single-content hr::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--jay-single-primary), var(--jay-single-secondary));
    border-radius: 4px;
}

/*------------------------------------*\
  #RESPONSIVE ADJUSTMENTS
\*------------------------------------*/
@media (max-width: 767px) {
    .single-content ul,
    .single-content ol {
        margin-left: 1rem;
        padding-left: 0.5rem;
    }
    
    .single-content ul li {
        padding-left: 1rem;
    }
    
    .single-content ol li {
        padding-left: 1.5rem;
    }
    
    .single-content dd {
        margin-left: 1rem;
    }
    
    .single-content details {
        padding: 0.75rem;
    }
}

/*------------------------------------*\
  #IMAGES & FIGURES
\*------------------------------------*/
.single-content figure {
    margin: 2.5rem 0;
}

.single-content figure img {
    width: 100%;
    height: auto;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.single-content figcaption {
    margin-top: 0.75rem;
    text-align: center;
    font-size: 0.875rem;
    color: var(--jay-single-gray);
    font-style: italic;
}

/*------------------------------------*\
  #CALLOUT BOXES & ALERTS
\*------------------------------------*/

/* Info callout */
.single-content .callout-info,
.single-content .info-box {
    padding: 1.5rem;
    margin: 2rem 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(59, 130, 246, 0.05));
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-left: 4px solid #3b82f6;
    border-radius: 0.5rem;
    position: relative;
}

.single-content .callout-info::before {
    content: 'ℹ️';
    position: absolute;
    top: 1rem;
    left: 1rem;
    font-size: 1.25rem;
}

.single-content .callout-info > *:first-child {
    margin-left: 2rem;
    margin-top: 0;
}

/* Warning callout */
.single-content .callout-warning,
.single-content .warning-box {
    padding: 1.5rem;
    margin: 2rem 0;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(245, 158, 11, 0.05));
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-left: 4px solid #f59e0b;
    border-radius: 0.5rem;
    position: relative;
}

.single-content .callout-warning::before {
    content: '⚠️';
    position: absolute;
    top: 1rem;
    left: 1rem;
    font-size: 1.25rem;
}

.single-content .callout-warning > *:first-child {
    margin-left: 2rem;
    margin-top: 0;
}

/* Success callout */
.single-content .callout-success,
.single-content .success-box {
    padding: 1.5rem;
    margin: 2rem 0;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(34, 197, 94, 0.05));
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-left: 4px solid #22c55e;
    border-radius: 0.5rem;
    position: relative;
}

.single-content .callout-success::before {
    content: '✅';
    position: absolute;
    top: 1rem;
    left: 1rem;
    font-size: 1.25rem;
}

.single-content .callout-success > *:first-child {
    margin-left: 2rem;
    margin-top: 0;
}

/* Error callout */
.single-content .callout-error,
.single-content .error-box {
    padding: 1.5rem;
    margin: 2rem 0;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(239, 68, 68, 0.05));
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-left: 4px solid #ef4444;
    border-radius: 0.5rem;
    position: relative;
}

.single-content .callout-error::before {
    content: '❌';
    position: absolute;
    top: 1rem;
    left: 1rem;
    font-size: 1.25rem;
}

.single-content .callout-error > *:first-child {
    margin-left: 2rem;
    margin-top: 0;
}

/* Tip callout */
.single-content .callout-tip,
.single-content .tip-box {
    padding: 1.5rem;
    margin: 2rem 0;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.1), rgba(168, 85, 247, 0.05));
    border: 1px solid rgba(168, 85, 247, 0.3);
    border-left: 4px solid #a855f7;
    border-radius: 0.5rem;
    position: relative;
}

.single-content .callout-tip::before {
    content: '💡';
    position: absolute;
    top: 1rem;
    left: 1rem;
    font-size: 1.25rem;
}

.single-content .callout-tip > *:first-child {
    margin-left: 2rem;
    margin-top: 0;
}

/*------------------------------------*\
  #BADGE & PILL ELEMENTS
\*------------------------------------*/
.single-content .badge,
.single-content .pill {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, var(--jay-single-primary), var(--jay-single-secondary));
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0.25rem;
}

.single-content .badge-outline {
    background: transparent;
    color: var(--jay-single-primary);
    border: 1px solid var(--jay-single-primary);
}

/*------------------------------------*\
  #PROGRESS BARS
\*------------------------------------*/
.single-content .progress-container {
    width: 100%;
    height: 8px;
    background: rgba(147, 197, 253, 0.2);
    border-radius: 4px;
    overflow: hidden;
    margin: 1rem 0;
}

.single-content .progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--jay-single-primary), var(--jay-single-secondary));
    border-radius: 4px;
    transition: width 0.3s ease;
}

/*------------------------------------*\
  #TOOLTIPS
\*------------------------------------*/
.single-content .tooltip {
    position: relative;
    display: inline-block;
    border-bottom: 1px dotted var(--jay-single-primary);
    cursor: help;
}

.single-content .tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--jay-single-dark);
    color: white;
    padding: 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 1000;
    margin-bottom: 5px;
}

.single-content .tooltip:hover::after {
    opacity: 1;
    visibility: visible;
}

/*------------------------------------*\
  #BUTTONS & CALL-TO-ACTION
\*------------------------------------*/
.single-content .btn,
.single-content .button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--jay-single-primary), var(--jay-single-secondary));
    color: white;
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 600;
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: none;
    cursor: pointer;
    margin: 0.5rem 0.25rem;
}

.single-content .btn:hover,
.single-content .button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 58, 138, 0.3);
    text-decoration: none;
    color: white;
}

.single-content .btn-outline {
    background: transparent;
    color: var(--jay-single-primary);
    border: 2px solid var(--jay-single-primary);
}

.single-content .btn-outline:hover {
    background: var(--jay-single-primary);
    color: white;
}

.single-content .btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.single-content .btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/*------------------------------------*\
  #CARDS & CONTAINERS
\*------------------------------------*/
.single-content .card {
    background: white;
    border: 1px solid rgba(147, 197, 253, 0.2);
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin: 1.5rem 0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.single-content .card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.1);
}

.single-content .card-header {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(147, 197, 253, 0.2);
}

.single-content .card-title {
    margin: 0 0 0.5rem 0;
    color: var(--jay-single-dark);
    font-size: 1.25rem;
    font-weight: 600;
}

.single-content .card-subtitle {
    margin: 0;
    color: var(--jay-single-gray);
    font-size: 0.875rem;
}

/*------------------------------------*\
  #GRID LAYOUTS
\*------------------------------------*/
.single-content .grid {
    display: grid;
    gap: 1.5rem;
    margin: 2rem 0;
}

.single-content .grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.single-content .grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.single-content .grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
    .single-content .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .single-content .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .single-content .grid-2,
    .single-content .grid-3,
    .single-content .grid-4 {
        grid-template-columns: 1fr;
    }
}

/*------------------------------------*\
  #SPACING UTILITIES
\*------------------------------------*/
.single-content .mt-0 { margin-top: 0; }
.single-content .mt-1 { margin-top: 0.5rem; }
.single-content .mt-2 { margin-top: 1rem; }
.single-content .mt-3 { margin-top: 1.5rem; }
.single-content .mt-4 { margin-top: 2rem; }
.single-content .mt-5 { margin-top: 3rem; }

.single-content .mb-0 { margin-bottom: 0; }
.single-content .mb-1 { margin-bottom: 0.5rem; }
.single-content .mb-2 { margin-bottom: 1rem; }
.single-content .mb-3 { margin-bottom: 1.5rem; }
.single-content .mb-4 { margin-bottom: 2rem; }
.single-content .mb-5 { margin-bottom: 3rem; }

.single-content .text-center { text-align: center; }
.single-content .text-left { text-align: left; }
.single-content .text-right { text-align: right; }

.single-content .text-small { font-size: 0.875rem; }
.single-content .text-large { font-size: 1.125rem; }
.single-content .text-xl { font-size: 1.25rem; }

.single-content .font-bold { font-weight: 700; }
.single-content .font-semibold { font-weight: 600; }
.single-content .font-normal { font-weight: 400; }

/*------------------------------------*\
  #MOBILE OPTIMIZATIONS
\*------------------------------------*/
@media (max-width: 767px) {
    .single-content .callout-info,
    .single-content .callout-warning,
    .single-content .callout-success,
    .single-content .callout-error,
    .single-content .callout-tip {
        padding: 1rem;
    }
    
    .single-content .callout-info::before,
    .single-content .callout-warning::before,
    .single-content .callout-success::before,
    .single-content .callout-error::before,
    .single-content .callout-tip::before {
        top: 0.75rem;
        left: 0.75rem;
        font-size: 1rem;
    }
    
    .single-content .callout-info > *:first-child,
    .single-content .callout-warning > *:first-child,
    .single-content .callout-success > *:first-child,
    .single-content .callout-error > *:first-child,
    .single-content .callout-tip > *:first-child {
        margin-left: 1.75rem;
    }
    
    .single-content .btn,
    .single-content .button {
        width: 100%;
        margin: 0.5rem 0;
    }
    
    .single-content .card {
        padding: 1rem;
    }
}