/* style.css */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700&family=Roboto:wght@300;400;700&display=swap');

:root {
    --primary-bg-color: #0a0f18; /* Deep space blue */
    --secondary-bg-color: #141a28; /* Slightly lighter blue/grey */
    --accent-color: #00ffff; /* Cyan / Aqua */
    --text-color: #e0e0e0; /* Light grey for text */
    --header-text-color: #ffffff;
    --link-color: #a0ffff; /* A brighter, lighter cyan */
    --link-hover-color: #60cfcf; /* A corresponding darker hover color */
    --link-visited-color: #50fa7b; /* Bright Green for visited links - ADDED */
    --border-color: #00ffff30; /* Accent with transparency */
    --shadow-color: #00ffff1a;

    --font-primary: 'Orbitron', sans-serif; /* Futuristic, for headers */
    --font-secondary: 'Roboto', sans-serif; /* Clean, for body text */
}

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

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

body {
    font-family: var(--font-secondary);
    background-color: var(--primary-bg-color);
    color: var(--text-color);
    line-height: 1.7;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding-top: 80px; /* Space for fixed header */
}

.container {
    width: 90%;
    max-width: 900px;
    margin: 2rem auto;
    padding: 1.5rem;
    background-color: var(--secondary-bg-color);
    border-radius: 8px;
    box-shadow: 0 0 20px var(--shadow-color);
    border: 1px solid var(--border-color);
}

header.main-header {
    background-color: var(--secondary-bg-color);
    color: var(--header-text-color);
    padding: 1rem 0;
    text-align: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 15px #00000060;
    border-bottom: 2px solid var(--accent-color);
}

header.main-header h1 {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    letter-spacing: 2px;
    color: var(--accent-color);
    margin-bottom: 0.2rem;
}

header.main-header h1 a {
    text-decoration: none;
    color: inherit;
}

header.main-header .subtitle {
    font-size: 0.9rem;
    color: var(--text-color);
    font-style: italic;
}

/* --- Unchanged rules from here to article links --- */

nav.main-nav ul {
    list-style-type: none;
    padding: 0;
    text-align: center;
    margin-top: 0.5rem;
}

nav.main-nav ul li {
    display: inline;
    margin: 0 15px;
}

nav.main-nav ul li a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

nav.main-nav ul li a:hover {
    color: var(--accent-color);
}

article h2.post-title {
    font-family: var(--font-primary);
    color: var(--accent-color);
    font-size: 2rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

article .post-meta {
    font-size: 0.85rem;
    color: #a0a0a0;
    margin-bottom: 1.5rem;
}

article .post-meta .lang-switch a {
    font-weight: bold;
}

article p {
    margin-bottom: 1.2rem;
    font-size: 1.05rem;
}

/* This is the section for links within blog posts */
article a {
    color: var(--link-color);
    text-decoration: none;
    border-bottom: 1px dotted var(--link-color);
    transition: color 0.3s ease, border-bottom-color 0.3s ease;
}

/* This rule makes visited links in articles use the new color */
article a:visited {  /* ADDED */
    color: var(--link-visited-color);
    border-bottom-color: var(--link-visited-color);
}

article a:hover {
    color: var(--link-hover-color);
    border-bottom-color: var(--link-hover-color);
}

/* Add this to your style.css with other link styles */
a {
    color: var(--link-color);
    text-decoration: none; /* Optional: removes underline from all links */
}

/* This general rule ensures all other links (like in your post list) also get the new visited color */
a:visited { /* ADDED */
    color: var(--link-visited-color);
}


/* --- Unchanged rules from here to the end --- */

article ul, article ol {
    margin-bottom: 1rem;
    padding-left: 2rem;
}

article ul li, article ol li {
    margin-bottom: 0.5rem;
}

.post-navigation {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
}

.post-navigation a {
    color: var(--text-color);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.post-navigation a:hover {
    background-color: var(--accent-color);
    color: var(--primary-bg-color);
    border-color: var(--accent-color);
}

.hashtags {
    margin-top: 1.5rem;
    font-style: italic;
    color: #a0a0a0;
}

.hashtags span {
    margin-right: 0.5rem;
    padding: 0.2rem 0.5rem;
    background-color: #ffffff10;
    border-radius: 3px;
    font-size: 0.8rem;
}

footer.main-footer {
    text-align: center;
    padding: 1.5rem;
    margin-top: auto; /* Pushes footer to the bottom */
    background-color: var(--secondary-bg-color);
    color: #a0a0a0;
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
}

footer.main-footer a {
    color: var(--accent-color);
}