/* ===================================
   FINAL THEMES.CSS - PRODUCTION READY
   Clean, Optimized, No Duplicates
   =================================== */

/* ===================================
   CSS VARIABLES - LIGHT THEME
   =================================== */
:root {
    /* Backgrounds */
    --bg-primary: #fafbfc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f6f8fa;
    --bg-hover: #f3f4f6;

    /* Text colors */
    --text-primary: #0d1117;
    --text-secondary: #57606a;
    --text-tertiary: #8b949e;

    /* Code-specific colors */
    --code-bg: #f6f8fa;
    --code-text: #24292f;
    --code-border: #d0d7de;
    --code-inline-bg: rgba(175, 184, 193, 0.2);
    --code-inline-color: #0969da;

    /* Accent colors */
    --accent: #0969da;
    --accent-hover: #0550ae;
    --accent-light: #218bff;
    --accent-bg: #ddf4ff;

    /* Success/Tags */
    --success: #1a7f64;
    --success-light: #4ac19d;
    --success-bg: #d1f7e5;

    /* Warning */
    --warning: #bf8700;
    --warning-bg: #fff8c5;

    /* Danger */
    --danger: #cf222e;
    --danger-bg: #ffebe9;

    /* Borders */
    --border: #d0d7de;
    --border-hover: #afb8c1;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(31, 35, 40, 0.12), 0 1px 2px rgba(31, 35, 40, 0.08);
    --shadow-md: 0 4px 6px rgba(31, 35, 40, 0.12), 0 2px 4px rgba(31, 35, 40, 0.08);
    --shadow-lg: 0 10px 20px rgba(31, 35, 40, 0.12), 0 3px 6px rgba(31, 35, 40, 0.08);
    --shadow-xl: 0 20px 40px rgba(31, 35, 40, 0.16), 0 4px 8px rgba(31, 35, 40, 0.08);

    /* Pagination */
    --pag-height: 48px;
}

/* ===================================
   CSS VARIABLES - DARK THEME
   =================================== */
[data-theme="dark"] {
    /* Backgrounds */
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --bg-hover: #30363d;

    /* Text colors */
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-tertiary: #6e7681;

    /* Code-specific colors */
    --code-bg: #161b22;
    --code-text: #e6edf3;
    --code-border: #30363d;
    --code-inline-bg: rgba(110, 118, 129, 0.4);
    --code-inline-color: #79c0ff;

    /* Accent colors */
    --accent: #2f81f7;
    --accent-hover: #58a6ff;
    --accent-light: #79c0ff;
    --accent-bg: #1c2e4a;

    /* Success/Tags */
    --success: #3fb950;
    --success-light: #56d364;
    --success-bg: #1b3b2f;

    /* Warning */
    --warning: #d29922;
    --warning-bg: #3d2e00;

    /* Danger */
    --danger: #f85149;
    --danger-bg: #4c1b1b;

    /* Borders */
    --border: #30363d;
    --border-hover: #484f58;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4), 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 24px rgba(0, 0, 0, 0.5), 0 3px 8px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.6), 0 4px 12px rgba(0, 0, 0, 0.4);
}

/* ===================================
   BASE STYLES
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: background-color 0.2s ease, color 0.2s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Smooth transitions for theme switching */
* {
    transition: background-color 0.2s ease,
                color 0.2s ease,
                border-color 0.2s ease,
                box-shadow 0.2s ease;
}

/* ===================================
   HEADER
   =================================== */
.site-header {
    position: sticky;
    top: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    z-index: 100;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

/* Brand/Logo */
.brand {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    text-decoration: none;
    color: inherit;
}

.brand-logo {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
}

.brand-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.125rem;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Social Links */
.social-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.social-links a:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.social-icon {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.social-links a.social-linkedin {
    color: #0a66c2;
}

[data-theme="dark"] .social-links a.social-linkedin {
    color: #58a6ff;
}

.github-icon {
    color: var(--text-primary);
    transition: opacity 0.2s;
}

.github-icon:hover {
    opacity: 0.7;
}

[data-theme="dark"] .github-icon {
    color: #ffffff;
}

[data-theme="light"] .github-icon {
    color: #000000;
}

/* Theme Toggle Button */
.theme-toggle-btn {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.8rem 1rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    height: 40px;
    white-space: nowrap;
    border: none;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: 8px;
}

.theme-toggle-btn:hover {
    background: var(--bg-hover);
}

.theme-toggle-btn:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.theme-toggle-btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

#theme-icon {
    font-size: 1.5rem;
    display: flex;
    align-items: center;
}

#theme-text {
    font-size: 0.875rem;
}

/* ===================================
   CONTAINER & LAYOUT
   =================================== */
.container {
    max-width: 1800px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 5rem;
    width: 95%;
}

.content {
    width: 100%;
    max-width: 100%;
    min-width: 0;
}

/* ===================================
   SIDEBAR
   =================================== */
.sidebar {
    position: sticky;
    top: 6rem;
    height: fit-content;
}

.sidebar-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.sidebar-title {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 1rem;
    color: var(--text-tertiary);
}

.skill-category {
    margin-top: 1.5rem;
}

.skill-category:first-child {
    margin-top: 0;
}

.skill-category h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid var(--border);
    transition: all 0.2s ease;
}

.skill-tag:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
    color: var(--accent-light);
    transform: translateY(-1px);
}

/* ===================================
   FOOTER
   =================================== */
.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 2rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
    color: var(--text-secondary);
}

.footer-content p {
    margin: 0.5rem 0;
    font-size: 0.875rem;
}

/* ===================================
   BLOG POST DETAIL
   =================================== */
.blog-post-detail {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 3rem;
    box-shadow: var(--shadow-sm);
}

.post-header-detail {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.back-link-top {
    display: inline-block;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    margin-bottom: 1.25rem;
    transition: color 0.2s ease;
}

.back-link-top:hover {
    color: var(--text-primary);
}

.post-title-detail {
    font-size: 2rem;
    font-weight: 600;
    line-height: 1.25;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.post-tags-detail {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag-detail {
    background: var(--accent-bg);
    color: var(--accent);
    padding: 0.375rem 0.75rem;
    border-radius: 999px;
    font-size: 0.813rem;
    font-weight: 500;
}

.post-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-bottom: 1rem;
}

/* ===================================
   BLOG POST CONTENT - OPTIMIZED
   =================================== */
.post-content-detail {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--text-primary);
}

.post-content-detail h1,
.post-content-detail h2,
.post-content-detail h3,
.post-content-detail h4,
.post-content-detail h5,
.post-content-detail h6 {
    color: var(--text-primary);
    font-weight: 600;
    font-family: 'Inter', 'system-ui', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.3;
}

.post-content-detail h2 {
    font-size: 1.55rem;
    font-weight: 700;
    margin: 3.5rem 0 1.4rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.post-content-detail h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 2.75rem 0 1.1rem;
}

.post-content-detail h4 {
    font-size: 1.125rem;
    margin: 2rem 0 1rem;
}

.post-content-detail p {
    /* The Best Typography Stack */
    font-family: "Source Serif 4", "Source Serif Pro", "Charter", "Bitstream Charter", serif;

    /* 20% Upscale: Tight and Professional */
    font-size: 1.25rem;
    font-weight: 405;      /* Slightly heavier than 400 helps serif stay sharp on dark backgrounds */
    line-height: 1.58;     /* The "Medium" sweet spot for density */
    letter-spacing: -0.005em; /* Subtle tightening for high-end look */

    /* Left-Aligned & Wrapped Spacing */
    max-width: 850px;      /* Prevents line-length fatigue */
    margin-bottom: 1.2rem; /* Tightened from 1.8rem to fix gappy feel */

    /* High Contrast for Readability */
    color: var(--text-primary);

    /* Optical Smoothing */
    -webkit-font-smoothing: antialiased;
    text-wrap: pretty;     /* Prevents single words on the last line (orphans) */
}

.post-content-detail ul,
.post-content-detail ol {
    margin: 1.4rem 0 2rem;
    padding-left: 1.75rem;
    color: var(--text-primary);
}

.post-content-detail li {
    margin-bottom: 0.75rem;
    line-height: 1.7;
    color: var(--text-primary);

}

.post-content-detail a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.2s ease;
}

.post-content-detail a:hover {
    border-bottom-color: var(--accent);
}

/* ===================================
   CODE BLOCKS - FINAL OPTIMIZED VERSION
   =================================== */

/* Inline code */
.post-content-detail code {
    background: var(--code-inline-bg);
    color: var(--code-inline-color);
    padding: 0.25rem 0.45rem;
    border-radius: 4px;
    font-size: 0.85em;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Consolas', 'Courier New', monospace;
    font-weight: 500;
    border: 1px solid var(--code-border);
}

/* Code blocks (pre) */
.post-content-detail pre {
    position: relative;
    background: var(--code-bg);
    padding: 1.4rem 1.6rem;
    border-radius: 14px;
    overflow-x: auto;
    margin: 2.75rem 0;
    border: 1px solid var(--code-border);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    box-shadow: var(--shadow-sm);
}

/* Code inside pre blocks */
.post-content-detail pre code {
    display: block;
    background: transparent !important;
    padding: 0 !important;
    padding-right: 3rem;
    border: none !important;
    border-radius: 0 !important;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Consolas', 'Courier New', monospace;
    font-size: 0.85em;
    line-height: 1.75;
    color: var(--code-text);
    white-space: pre;
    word-wrap: normal;
    word-break: normal;
    overflow-wrap: normal;
    font-weight: 400;
}

/* Inline code in paragraphs/lists - allow wrapping */
.post-content-detail p code,
.post-content-detail li code,
.post-content-detail td code,
.post-content-detail th code {
    white-space: normal;
    word-break: break-word;
}

/* Copy Button */
.copy-code-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
    z-index: 10;
}

.copy-code-btn:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-1px);
}

.copy-code-btn:active {
    transform: translateY(0);
}

.copy-code-btn.copied {
    background: var(--success-bg);
    border-color: var(--success);
    color: var(--success);
}

.copy-code-btn svg {
    width: 14px;
    height: 14px;
}

/* ===================================
   BLOCKQUOTES
   =================================== */
.post-content-detail blockquote {
    border-left: 4px solid var(--accent);
    padding: 0.5rem 0 0.5rem 1.6rem;
    margin: 2.4rem 0;
    font-style: italic;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border-radius: 0 8px 8px 0;
}

.post-content-detail blockquote p {
    margin-bottom: 0.5rem;
}

.post-content-detail blockquote p:last-child {
    margin-bottom: 0;
}

/* ===================================
   IMAGES
   =================================== */
.post-content-detail img {
    max-width: 100%;
    height: auto;
    border-radius: 14px;
    margin: 2.75rem 0;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}

/* ===================================
   HORIZONTAL RULES
   =================================== */
.post-content-detail hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 3rem 0;
}

/* ===================================
   TABLES - FINAL OPTIMIZED VERSION
   =================================== */
.post-content-detail table {
    width: 100%;
    border-collapse: collapse;
    margin: 2.5rem 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.post-content-detail table thead {
    background: var(--bg-tertiary);
}

.post-content-detail table th {
    padding: 1rem 1.25rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.post-content-detail table td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 0.875rem;
    line-height: 1.6;
}

.post-content-detail table tbody tr:last-child td {
    border-bottom: none;
}

.post-content-detail table tbody tr:hover {
    background: var(--bg-hover);
}

/* Table code styling */
.post-content-detail table code {
    font-size: 0.8em;
    padding: 0.2em 0.35em;
}

/* ===================================
   POST FOOTER NAVIGATION
   =================================== */
.post-footer-detail {
    margin-top: 4.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--border);
}

.post-navigation-detail {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 2rem;
}

.nav-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.25rem;
    border-radius: 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    text-decoration: none;
    transition: all 0.2s ease;
}

.nav-card:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    font-weight: 600;
}

.nav-title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.4;
}

.next-card {
    text-align: right;
}

.back-link-bottom {
    display: inline-block;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: color 0.2s ease;
}

.back-link-bottom:hover {
    color: var(--text-primary);
}

/* ===================================
   TABS
   =================================== */
.tabs {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.375rem;
    display: flex;
    gap: 0.25rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.tab-button {
    flex: 1;
    padding: 0.625rem 1.25rem;
    background: transparent;
    border: none;
    border-radius: 7px;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab-button:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.tab-button.active {
    background: var(--accent);
    color: white;
    box-shadow: 0 1px 3px rgba(47, 129, 247, 0.3);
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===================================
   SECTION HEADERS
   =================================== */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.section-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

.section-badge {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: white;
    padding: 0.375rem 0.875rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

/* ===================================
   FEATURED GRID
   =================================== */
.featured-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 5rem;
}

.featured-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 3rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: all 0.4s ease;
    text-decoration: none;
    color: inherit;
}

.featured-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--success-light), var(--accent-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.featured-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.featured-card:hover::before {
    transform: scaleX(1);
}

.card-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.card-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.875rem;
    font-size: 0.813rem;
    color: var(--text-tertiary);
}

.card-description {
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    line-height: 1.6;
    font-size: 0.938rem;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.tag {
    background: #212325;
    color: #c4c9ce;
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: gap 0.2s ease;
}

.card-link:hover {
    gap: 0.75rem;
    color: var(--accent-hover);
}

/* ===================================
   GRID LAYOUT (Wide Viewport)
   =================================== */
.grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(450px, 1fr));
    gap: 3rem;
}

.post-card {
    position: relative;
    display: flex;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: 20px;
    border: 1px solid var(--border);
    transition: 0.3s;
}

.post-card:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-light);
}

.post-number {
    font-size: 3rem;
    font-weight: 900;
    line-height: 1;
    background: linear-gradient(180deg, var(--accent), transparent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.3;
    font-family: serif;
}

.post-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    display: block;
    margin: 0.5rem 0;
}

.post-excerpt {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 1rem;
}

.post-meta-bottom {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
}

/* ===================================
   NOTE GRID
   =================================== */
.note-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
    margin-bottom: 3rem;
}

.themed-note {
    width: auto;
    min-height: 140px;
    padding: 1.5rem;
    margin: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
    border-radius: 12px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.themed-note:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: var(--accent);
}

.themed-note-title {
    font-size: 1.125rem;
    font-weight: 600;
    border-bottom: 2px solid var(--border);
    padding-bottom: 0.5rem;
    margin-bottom: 0.875rem;
    color: var(--text-primary);
}

.themed-note-description {
    font-size: 0.938rem;
    line-height: 1.6;
    flex-grow: 1;
    color: var(--text-secondary);
}

.note-tags {
    margin-top: 0.75rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.themed-note-link {
    margin-top: 1rem;
}

.themed-note-link a {
    display: inline-block;
    font-size: 0.875rem;
    color: var(--accent-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.themed-note-link a:hover {
    color: var(--accent-hover);
}

/* ===================================
   POSTS GRID
   =================================== */
.posts-grid {
    display: grid;
    gap: 1.25rem;
}

.post-list-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.75rem;
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 1.5rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.post-list-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
}

.post-thumbnail {
    width: 110px;
    height: 110px;
    border-radius: 10px;
    overflow: hidden;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
}

.post-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.post-list-content {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.post-list-title {
    font-size: 1.375rem;
    font-weight: 600;
    line-height: 1.3;
}

.post-list-title a {
    color: var(--text-primary);
    text-decoration: none;
}

.post-list-title a:hover {
    color: var(--accent-light);
}

.post-list-meta {
    display: flex;
    gap: 0.75rem;
    font-size: 0.813rem;
    color: var(--text-tertiary);
}

.post-list-summary {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.938rem;
}

.post-list-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.post-list-tag {
    background: var(--accent-bg);
    color: var(--accent);
    padding: 0.25rem 0.625rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* ===================================
   PAGINATION - FIXED HEIGHT SYSTEM
   =================================== */
.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 5rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border);
    width: 100%;
    box-sizing: border-box;
}

.pag-col-left,
.pag-col-right {
    flex: 1;
    display: flex;
    align-items: center;
    height: var(--pag-height);
}

.pag-col-right {
    justify-content: flex-end;
}

.pag-col-left {
    justify-content: flex-start;
}

.pag-numbers {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    height: var(--pag-height);
}

.pag-num,
.pag-ctrl {
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
    height: var(--pag-height);
    line-height: 1;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.pag-num {
    width: var(--pag-height);
}

.pag-ctrl {
    padding: 0 1.5rem;
    min-width: 110px;
}

.pag-num:hover,
.pag-ctrl:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--bg-hover);
}

.pag-num.active {
    background: var(--accent);
    color: #ffffff !important;
    border-color: var(--accent);
    box-shadow: 0 4px 12px rgba(9, 105, 218, 0.25);
}

/* View All Button */
.view-all-area {
    display: flex;
    justify-content: center;
    margin-top: 4rem;
}

.view-all-btn {
    height: var(--pag-height);
    padding: 0 2.5rem;
    background: var(--accent);
    color: white;
    text-decoration: none;
    font-weight: 700;
    border-radius: 12px;
    display: flex;
    align-items: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.view-all-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: var(--accent-hover);
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 1200px) {
    .container {
        max-width: 100%;
        width: 100%;
        padding: 1.5rem;
        gap: 2rem;
    }
}

@media (max-width: 1100px) {
    .grid-layout {
        grid-template-columns: 1fr;
    }

    .featured-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1024px) {
    .header-content {
        padding: 1rem 1.5rem;
    }

    .container {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: relative;
        top: 0;
    }
}

@media (max-width: 768px) {
    .header-content {
        padding: 0.875rem 1rem;
        gap: 1rem;
    }

    .brand-text {
        display: none;
    }

    .header-actions {
        gap: 0.5rem;
    }

    .social-links {
        gap: 0.125rem;
    }

    .social-links a {
        width: 36px;
        height: 36px;
    }

    .social-icon {
        width: 18px;
        height: 18px;
    }

    .theme-toggle-btn {
        padding: 0.5rem 0.75rem;
        height: 36px;
    }

    .container {
        padding: 1.5rem;
    }

    .blog-post-detail {
        padding: 2rem;
    }

    .post-title-detail {
        font-size: 1.85rem;
    }

    .post-content-detail {
        font-size: 1rem;
        line-height: 1.75;
    }

    .post-content-detail pre {
        padding: 1rem;
        margin-left: 0;
        margin-right: 0;
        border-radius: 8px;
        font-size: 0.813rem;
    }

    .post-content-detail pre code {
        font-size: 0.813rem;
    }

    .copy-code-btn {
        top: 8px;
        right: 8px;
        padding: 0.375rem 0.625rem;
        font-size: 0.688rem;
    }

    .post-navigation-detail {
        flex-direction: column;
    }

    .next-card {
        text-align: left;
    }

    /* Tables responsive */
    .post-content-detail table {
        display: block;
        overflow-x: auto;
        font-size: 0.813rem;
        -webkit-overflow-scrolling: touch;
    }

    .post-content-detail table th,
    .post-content-detail table td {
        padding: 0.75rem 1rem;
        white-space: nowrap;
    }

    .post-list-card {
        grid-template-columns: 1fr;
    }

    .post-thumbnail {
        width: 100%;
        height: 180px;
    }

    /* Pagination responsive */
    .pagination-container {
        flex-direction: column;
        gap: 1.5rem;
    }

    .pag-col-left,
    .pag-col-right {
        justify-content: center;
        flex: none;
    }
}

@media (max-width: 480px) {
    #theme-text {
        display: none;
    }

    .theme-toggle-btn {
        padding: 0.5rem;
        width: 36px;
        height: 36px;
        justify-content: center;
        gap: 0;
    }

    .brand-logo {
        width: 32px;
        height: 32px;
    }

    .blog-post-detail {
        padding: 1rem;
    }

    .post-title-detail {
        font-size: 1.5rem;
    }

    .post-content-detail pre {
        padding: 0.875rem;
        font-size: 0.75rem;
    }

    .post-content-detail pre code {
        font-size: 0.75rem;
    }

    .copy-code-btn {
        position: static;
        display: flex;
        justify-content: center;
        width: 100%;
        margin-top: 0.5rem;
    }
}

@media (max-width: 360px) {
    .header-actions {
        gap: 0.25rem;
    }

    .social-links a {
        width: 32px;
        height: 32px;
    }

    .theme-toggle-btn {
        width: 32px;
        height: 32px;
        padding: 0.375rem;
    }
}

/* ===================================
   ACCESSIBILITY
   =================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible for keyboard navigation */
a:focus-visible,
button:focus-visible,
.tab-button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border: #000000;
    }

    [data-theme="dark"] {
        --border: #ffffff;
    }
}

/* FInal CSS */

/* =========================================
   MOBILE LAYOUT (Content Only + Header)
   ========================================= */

@media screen and (max-width: 768px) {

    /* Hide sidebars only */
    .sidebar {
        display: none;
    }

    /* Collapse grid to single column */
    .main-container {
        grid-template-columns: 1fr !important;
        gap: 0;
    }

    /* Make content full width */
    .content-area {
        width: 100%;
        max-width: 100%;
    }

    /* Adjust container padding */
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    /* Clean up header spacing */
    .header-content {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .copy-code-btn {
        display: none !important;
    }

}