:root {
    --bg-color: #1a1a1a;
    --text-color: #e0e0e0;
    --accent-color: #8c73d9;
    --header-bg-color: rgba(26, 26, 26, 0.85);
    --font-family: 'Space Mono', monospace;
    --container-width: 800px;
    --spacing-unit: 1rem;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-family);
    line-height: 1.8;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.main-header {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--header-bg-color);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: var(--spacing-unit);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.main-nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: calc(var(--spacing-unit) * 2);
}

.main-nav a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 700;
    padding: 0.5rem 0;
    position: relative;
    transition: color 0.3s ease;
}

.main-nav a::after {
    content: '';
    position: absolute;
    width: 100%;
    transform: scaleX(0);
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--accent-color);
    transform-origin: bottom right;
    transition: transform 0.3s ease-out;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--accent-color);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

main {
    padding: var(--spacing-unit) 0;
}

section {
    padding: calc(var(--spacing-unit) * 3) 0;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-unit);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: calc(var(--spacing-unit) * 2);
    color: var(--text-color);
    position: relative;
    padding-bottom: var(--spacing-unit);
}

.section-title::before {
    content: "#";
    color: var(--accent-color);
    margin-right: 0.5rem;
}

.link-list {
    list-style: none;
}

.link-list li {
    margin-bottom: var(--spacing-unit);
}

a {
    color: var(--accent-color);
    text-decoration: none;
    position: relative;
    transition: color 0.3s ease;
}

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

footer {
    text-align: center;
    padding: calc(var(--spacing-unit) * 2);
    margin-top: calc(var(--spacing-unit) * 4);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
}

/* Carousel Container */
.carousel-container {
    position: relative;
    width: 100%;
    overflow: hidden;
    padding: 0 40px; /* Space for buttons */
}

.carousel {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

/* Carousel Cards */
.carousel-card {
    flex: 0 0 280px; /* Fixed width for each card */
    margin: 0 15px;
    background: #2b2b2b;
    border-radius: 8px;
    border: 1px solid #3a3a3a;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden; /* Ensures content respects the border radius */
}

.carousel-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.carousel-card a {
    text-decoration: none;
    color: var(--text-color);
    display: block;
    width: 100%;
    height: 100%;
}

.card-content {
    padding: 25px;
}

.card-content h3 {
    font-size: 1.4rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.card-content p {
    font-size: 1rem;
    color: #aaa;
    line-height: 1.5;
}

/* Carousel Navigation Buttons */
.carousel-button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(43, 43, 43, 0.8);
    border: 1px solid #4a4a4a;
    color: var(--text-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 2rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
    z-index: 10;
    
    /* --- FIX: Use Flexbox for perfect centering --- */
    display: flex;
    justify-content: center;
    align-items: center;
}

.carousel-button:hover {
    background-color: #3a3a3a;
}

.carousel-button.prev {
    /* --- FIX: Position inside the container's padding area --- */
    left: 5px;
}

.carousel-button.next {
    /* --- FIX: Position inside the container's padding area --- */
    right: 5px;
}

/* Styles for blog list on blog.html */
.blog-list-item {
    margin-bottom: 3rem;
    border-bottom: 1px solid #333;
    padding-bottom: 1.5rem;
}

.blog-list-item h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.blog-list-item h3 a {
    text-decoration: none;
    color: var(--text-color);
}

.blog-list-item h3 a:hover {
    color: var(--accent-color);
}

.blog-list-item p {
    margin-top: 0.5rem;
    color: #aaa;
}

.post-meta {
    font-size: 0.9rem;
    color: #888;
    margin-bottom: 1rem;
}

/* Styles for rendered Markdown content */
#post-content-container {
    padding-top: 2rem;
}

#post-content-container h1, 
#post-content-container h2, 
#post-content-container h3,
#post-content-container h4 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}

#post-content-container p {
    margin-bottom: 1rem;
}

#post-content-container a {
    text-decoration: underline;
}

#post-content-container ul {
    list-style-position: inside;
    padding-left: 1rem;
    margin-bottom: 1rem;
}

#post-content-container pre {
    background-color: #2b2b2b;
    padding: 1rem;
    overflow-x: auto;
    margin-bottom: 1rem;
    border-radius: 4px;
}

#post-content-container code {
    font-family: var(--font-family);
    background-color: #2b2b2b;
    padding: 2px 4px;
    border-radius: 3px;
}

#post-content-container pre code {
    padding: 0;
    background-color: transparent;
    border-radius: 0;
}

#post-content-container blockquote {
    border-left: 4px solid var(--accent-color);
    padding-left: 1rem;
    margin: 1.5rem 0;
    color: #ccc;
    font-style: italic;
}

#post-content-container img {
    max-width: 100%;
    height: auto;
    margin: 1.5rem 0;
    display: block;
    border: 1px solid #444;
    border-radius: 4px;
}

@media (max-width: 768px) {
    body {
        font-size: 14px;
    }

    .main-nav ul {
        gap: var(--spacing-unit);
        justify-content: space-around;
    }
    
    .section-title {
        font-size: 2rem;
    }

    .carousel-container {
        padding: 0; /* Remove padding on mobile to use full width */
    }

    .carousel-button {
        display: none; /* Hide buttons on mobile, user can swipe */
    }
}