/* ========================================
   CSS Variables - Purple/White Theme
   ======================================== */
:root {
    /* Colors */
    --color-bg: #ffffff;
    --color-bg-alt: #f8f5fa;
    --color-bg-light: #fdfcfe;
    
    --color-purple-50: #f3e5f5;
    --color-purple-100: #e1d5f0;
    --color-purple-200: #d1c4e9;
    --color-purple-300: #b39ddb;
    --color-purple-400: #9b72aa;
    --color-purple-500: #8b5fb5;
    --color-purple-600: #7b4f9d;
    --color-purple-700: #6a3f8a;
    
    --color-text-primary: #2d2d2d;
    --color-text-secondary: #4a4a4a;
    --color-text-light: #6b6b6b;
    --color-text-lighter: #8e8e8e;
    
    --color-border: rgba(74, 74, 74, 0.15);
    --color-border-light: rgba(74, 74, 74, 0.08);
    
    --color-accent: var(--color-purple-500);
    --color-accent-hover: var(--color-purple-600);
    
    /* Typography */
    --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-serif: 'Source Serif 4', Georgia, serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Layout */
    --max-width-content: 1200px;
    --max-width-text: 900px;
    --max-width-narrow: 600px;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-card: 0 2px 8px rgba(139, 95, 181, 0.08);
    --shadow-card-hover: 0 8px 20px rgba(139, 95, 181, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* ========================================
   Reset & Base Styles
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text-secondary);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-sans);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent-hover);
}

strong, b {
    font-weight: 600;
    color: var(--color-text-primary);
}

em, i {
    font-style: italic;
}

/* ========================================
   Layout
   ======================================== */
#wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    width: 100%;
    max-width: var(--max-width-content);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-narrow {
    max-width: var(--max-width-text);
}

.container-wide {
    max-width: 1000px;
}

.section {
    padding: var(--spacing-3xl) 0;
}

.section-sm {
    padding: var(--spacing-2xl) 0;
}

/* ========================================
   Header
   ======================================== */
.site-header {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border-light);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-logo {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.site-logo:hover {
    color: var(--color-accent);
}

.lang-switcher {
    display: flex;
    gap: var(--spacing-xs);
}

.lang-link {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--color-text-light);
    transition: all var(--transition-fast);
}

.lang-link:hover,
.lang-link.active {
    background: var(--color-purple-50);
    color: var(--color-accent);
}

@media (max-width: 768px) {
    .lang-link {
        font-size: 0.65rem;
        padding: var(--spacing-xs) var(--spacing-xs);
    }
}

/* ========================================
   Hero Banner
   ======================================== */
.hero-banner {
    background: linear-gradient(-45deg, #ffffff, #f8f5fa, #f3e5f5, #e1d5f0);
    background-size: 400% 400%;
    animation: gradientShift 8s ease infinite;
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
}

/* Option 1: Current Style - Rotating waves with floating blob */
/* .hero-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background-image: 
        url("data:image/svg+xml,%3Csvg width='100' height='100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 50 Q 25 30, 50 50 T 100 50' stroke='rgba(155,114,170,0.15)' stroke-width='2' fill='none'/%3E%3Cpath d='M0 70 Q 25 50, 50 70 T 100 70' stroke='rgba(209,196,233,0.15)' stroke-width='2' fill='none'/%3E%3C/svg%3E");
    background-size: 200px 200px;
    animation: rotate 25s linear infinite;
}

.hero-banner::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -30%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(225, 213, 240, 0.3) 0%, transparent 70%);
    animation: float 12s ease-in-out infinite;
} */

/* Option 2: Pulsing circles - uncomment to use */
/* .hero-banner::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(155, 114, 170, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 8s ease-in-out infinite;
}

.hero-banner::after {
    content: '';
    position: absolute;
    bottom: 10%;
    right: 15%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(209, 196, 233, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 10s ease-in-out infinite 1s;
} */

/* Option 3: Rising bubbles - uncomment to use */
/* .hero-banner::before,
.hero-banner::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(155, 114, 170, 0.2) 0%, transparent 70%);
    animation: rise 15s ease-in infinite;
}

.hero-banner::before {
    width: 150px;
    height: 150px;
    left: 20%;
    bottom: -150px;
}

.hero-banner::after {
    width: 200px;
    height: 200px;
    right: 25%;
    bottom: -200px;
    animation-delay: 5s;
    animation-duration: 20s;
} */

/* Option 4: Diagonal stripes */
.hero-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 50px,
        rgba(155, 114, 170, 0.03) 50px,
        rgba(155, 114, 170, 0.03) 100px
    );
    animation: slide 20s linear infinite;
}

.hero-banner::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 500px;
    height: 500px;
    margin: -250px 0 0 -250px;
    background: radial-gradient(circle, rgba(225, 213, 240, 0.2) 0%, transparent 70%);
    animation: breathe 6s ease-in-out infinite;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.6;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.3;
    }
}

@keyframes rise {
    0% {
        transform: translateY(0);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-120vh);
        opacity: 0;
    }
}

@keyframes slide {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(100px);
    }
}

@keyframes breathe {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.4;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.3);
        opacity: 0.2;
    }
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-30px) scale(1.1);
    }
}

.hero-content {
    max-width: var(--max-width-text);
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-purple-600), var(--color-purple-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    min-height: 4.2rem;
}

.typing-cursor {
    animation: blink 1s step-end infinite;
    margin-left: 2px;
}

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

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-text-light);
    line-height: 1.65;
    margin-bottom: var(--spacing-xl);
}

.hero-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-purple-500), var(--color-purple-400));
    color: white;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 50px;
    transition: all var(--transition-base);
    box-shadow: 0 4px 15px rgba(139, 95, 181, 0.3);
    position: relative;
    overflow: hidden;
}

.hero-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.hero-button:hover::before {
    left: 100%;
}

.hero-button::after {
    content: '→';
    font-size: 1.2rem;
    transition: transform var(--transition-base);
}

.hero-button:hover {
    background: linear-gradient(135deg, var(--color-purple-600), var(--color-purple-500));
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(139, 95, 181, 0.4);
    color: white;
}

.hero-button:hover::after {
    transform: translateX(4px);
}

/* ========================================
   Category Cards Grid
   ======================================== */
.category-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg);
}

.category-section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-text-primary);
}

.highlight-life {
    color: var(--color-purple-500);
    font-style: italic;
    font-weight: 700;
    position: relative;
    display: inline-block;
    animation: glow 3s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% {
        color: var(--color-purple-500);
        text-shadow: 0 0 5px rgba(155, 114, 170, 0.3);
    }
    50% {
        color: var(--color-purple-400);
        text-shadow: 0 0 15px rgba(155, 114, 170, 0.6);
    }
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.category-card {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all var(--transition-base);
    border: 1px solid var(--color-border-light);
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.category-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.category-card-content {
    padding: var(--spacing-lg);
}

.category-card-icon {
    font-size: 2rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.category-card-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.category-card-description {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
}

.category-card-articles {
    list-style: none;
}

.category-card-article {
    padding: var(--spacing-xs) 0;
}

.category-card-article a {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.category-card-article a:hover {
    color: var(--color-accent);
}

.category-card-article a::before {
    content: '→';
    color: var(--color-accent);
    font-weight: 600;
}

/* ========================================
   Blog List Page
   ======================================== */
.post-list-section {
    padding: var(--spacing-2xl) 0;
}

.category-tabs {
    position: sticky;
    top: 65px;
    z-index: 50;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--color-border-light);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-md) 0;
}

.category-tabs-inner {
    display: flex;
    gap: var(--spacing-lg);
    overflow-x: auto;
    scrollbar-width: thin;
}

.category-tab {
    padding: var(--spacing-sm) 0;
    color: var(--color-text-secondary);
    font-weight: 500;
    white-space: nowrap;
    transition: all var(--transition-fast);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    position: relative;
}

.category-tab:hover {
    color: var(--color-accent);
    border-bottom-color: var(--color-purple-300);
}

.category-tab.active {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
    font-weight: 600;
}

.post-list-category {
    margin-bottom: var(--spacing-3xl);
}

.post-list-category-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 3px solid var(--color-purple-200);
    color: var(--color-text-primary);
}

.post-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.post-list-item {
    position: relative;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-purple-100);
    transition: all var(--transition-base);
    overflow: hidden;
    min-height: 140px;
}

.post-list-item-link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    color: inherit;
    position: relative;
    cursor: pointer;
    height: 100%;
}

.post-list-item::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    right: 3px;
    bottom: 3px;
    background-image: inherit;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: calc(var(--radius-md) - 3px);
    z-index: 0;
}

.post-list-item-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 245, 250, 0.9) 100%);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.3);
    z-index: 1;
}

.post-list-item-content {
    position: relative;
    z-index: 2;
}

.post-list-item:hover {
    border-color: var(--color-purple-300);
    box-shadow: var(--shadow-card);
    transform: translateX(4px);
}

.post-list-item:hover .post-list-item-overlay {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(243, 229, 245, 0.85) 100%);
}

.post-list-item-title {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

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

.post-list-item-meta {
    color: var(--color-text-lighter);
    font-size: 0.8rem;
    margin-bottom: var(--spacing-xs);
}

.post-list-item-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: var(--spacing-xs);
}

.post-tag {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: var(--color-purple-100);
    color: var(--color-accent);
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.post-tag:hover {
    background: var(--color-purple-200);
}

.post-list-item-description {
    color: var(--color-text-light);
    font-size: 0.85rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

@media (max-width: 768px) {
    .post-list {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Single Post Page
   ======================================== */
.post-header {
    text-align: center;
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
    background: linear-gradient(to bottom, var(--color-bg-alt), var(--color-bg));
}

.post-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.post-meta {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
}

.post-tags {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: center;
    flex-wrap: wrap;
}

.tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-purple-100);
    color: var(--color-accent);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
}

.post-layout {
    display: flex;
    gap: var(--spacing-2xl);
    justify-content: center;
    position: relative;
}

@media (max-width: 1400px) {
    .post-layout {
        flex-direction: column;
        gap: 0;
    }
}

.post-toc-inline {
    position: fixed;
    left: max(1rem, calc((100vw - 900px) / 2 - 340px));
    top: 100px;
    width: 320px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    z-index: 10;
}

.toc-wrapper {
    padding: 0;
    background: linear-gradient(135deg, #f8f5fa 0%, #f3e5f5 50%, #e1d5f0 100%);
    border-radius: var(--radius-md);
    box-shadow: 0 2px 8px rgba(149, 117, 205, 0.1);
}

.toc-wrapper #TableOfContents {
    padding-left: 0;
}

.toc-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 0.3rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

#TableOfContents > ul {
    padding-left: 0;
    margin-left: 0;
    list-style: none;
}

#TableOfContents ul ul {
    padding-left: var(--spacing-sm);
    margin-top: 0.2rem;
}

.post-toc-inline nav li {
    margin-bottom: 0.3rem;
}

.post-toc-inline nav a {
    font-size: 0.85rem;
    color: var(--color-text-light);
    text-decoration: none;
    transition: color var(--transition-fast);
    display: block;
    line-height: 1.4;
}

.post-toc-inline nav a:hover {
    color: var(--color-accent);
}

.post-content-wrapper {
    width: 900px;
    max-width: 100%;
}

.post-content {
    padding: var(--spacing-xl) 0;
    font-family: var(--font-serif);
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

@media (max-width: 1400px) {
    .post-toc-inline {
        position: static;
        width: 100%;
        max-height: none;
        margin-bottom: var(--spacing-lg);
        order: -1;
    }
    
    .toc-wrapper {
        background: transparent;
    }
}

.post-content h2,
.post-content h3,
.post-content h4 {
    font-family: var(--font-sans);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.post-content h2 {
    font-size: 1.8rem;
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-purple-200);
}

.post-content h3 {
    font-size: 1.5rem;
}

.post-content ul,
.post-content ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
}

.post-content li {
    margin-bottom: 0.25rem;
}

.post-content code {
    background: var(--color-bg-alt);
    padding: 0.2em 0.4em;
    border-radius: var(--radius-sm);
    font-size: 0.9em;
    font-family: 'Courier New', monospace;
}

.post-content pre {
    background: var(--color-bg-alt);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin-bottom: var(--spacing-md);
}

.post-content pre code {
    background: none;
    padding: 0;
}

.post-content blockquote {
    border-left: 4px solid var(--color-purple-300);
    padding-left: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    color: var(--color-text-light);
    font-style: italic;
}

.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
}

.post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-lg) 0;
}

.post-content th,
.post-content td {
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    text-align: left;
}

.post-content th {
    background: var(--color-bg-alt);
    font-weight: 600;
}

/* Table wrapper for mobile scrolling */
@media (max-width: 768px) {
    .post-content table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }
}

/* Table of Contents */
#TableOfContents {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

#TableOfContents ul {
    list-style: none;
    padding-left: var(--spacing-md);
}

#TableOfContents > ul {
    padding-left: 0;
}

#TableOfContents li {
    margin-bottom: var(--spacing-xs);
}

#TableOfContents a {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

#TableOfContents a:hover {
    color: var(--color-accent);
}

/* Disclaimer */
.disclaimer {
    background: var(--color-purple-50);
    border-left: 4px solid var(--color-accent);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin: var(--spacing-xl) 0;
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* Buy Me a Coffee */
.buy-me-coffee {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.buy-me-coffee a {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-purple-100);
    color: var(--color-accent);
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-base);
}

.buy-me-coffee a:hover {
    background: var(--color-purple-200);
    transform: translateY(-2px);
}

/* Random Posts */
.random-posts {
    margin: var(--spacing-2xl) 0;
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--color-purple-100);
}

.random-posts-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
    font-weight: 600;
}

.random-posts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.random-post-card {
    position: relative;
    display: block;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-purple-100);
    overflow: hidden;
    min-height: 200px;
    transition: all var(--transition-base);
    text-decoration: none;
    color: inherit;
}

.random-post-card::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    right: 3px;
    bottom: 3px;
    background-image: inherit;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: calc(var(--radius-md) - 3px);
    z-index: 0;
}

.random-post-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 245, 250, 0.9) 100%);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.3);
    z-index: 1;
}

.random-post-content {
    position: relative;
    z-index: 2;
    padding: var(--spacing-md);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.random-post-title {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
    font-weight: 600;
}

.random-post-description {
    color: var(--color-text-light);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-grow: 1;
}

.random-post-meta {
    color: var(--color-text-lighter);
    font-size: 0.8rem;
    margin-top: auto;
}

.random-post-card:hover {
    border-color: var(--color-purple-300);
    box-shadow: var(--shadow-card);
    transform: translateY(-4px);
}

.random-post-card:hover .random-post-overlay {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(243, 229, 245, 0.85) 100%);
}

.random-post-card:hover .random-post-title {
    color: var(--color-accent);
}

@media (max-width: 768px) {
    .random-posts-grid {
        grid-template-columns: 1fr;
    }
}

/* Comments */
#disqus_thread {
    margin: var(--spacing-2xl) 0;
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
    background: var(--color-bg-alt);
    padding: var(--spacing-2xl) 0;
    margin-top: auto;
    border-top: 1px solid var(--color-border-light);
}

.footer-content {
    text-align: center;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    list-style: none;
}

.social-icon {
    font-size: 1.5rem;
    color: var(--color-text-light);
    transition: color var(--transition-fast);
}

.social-icon:hover {
    color: var(--color-accent);
}

.footer-text {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.footer-divider {
    display: inline-block;
    margin: 0 var(--spacing-sm);
    color: var(--color-accent);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .category-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .post-title {
        font-size: 2rem;
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ========================================
   Utility Classes
   ======================================== */
.image.fit {
    display: block;
}

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

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }