@import url('https://fonts.googleapis.com/css2?family=Lora:wght@400;500;600;700&family=Source+Sans+Pro:wght@300;400;600;700&display=swap');

:root {
    --primary-background: #121212;
    --primary-text-color: #b0b0b0;
    --heading-color: #e0e0e0;
    --link-color: #8cc2dd;
    --visited-link-color: #8cc2dd;
    --date-color: #787878;
    --nav-link-color: #909090;
    --border-color: #444444;
    
    /* Spacing variables untuk konsistensi */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 2.5rem;
}

:root[data-theme="light"] {
    --primary-background: #f8f8f8;
    --primary-text-color: #333333;
    --heading-color: #1a1a1a;
    --link-color: #5290af;
    --visited-link-color: #5290af;
    --date-color: #6c757d;
    --nav-link-color: #555555;
    --border-color: #dddddd;
}

/* Base Styles */
body {
    color: var(--primary-text-color);
    font-family: 'Source Sans Pro', sans-serif;
    font-size: 125%;
    font-weight: 400;
    line-height: 1.5;
    max-width: 45rem;
    padding: var(--spacing-md);
    margin: 0 auto;
    background-color: var(--primary-background);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Typography */
h1 {
    font-size: 2.5rem;
    font-weight: 700;
    font-family: 'Source Sans Pro', sans-serif;
    color: var(--heading-color);
    margin-bottom: var(--spacing-md);
}

.post-title {
    font-family: 'Source Sans Pro', sans-serif;
    font-size: 2.5rem;
    color: var(--heading-color);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.post-date {
    display: block;
    margin-bottom: var(--spacing-xl);
    font-style: italic;
    color: var(--date-color);
}

.post-titles {
    font-family: 'Source Sans Pro', sans-serif;
    font-size: 1.5rem;
    color: var(--heading-color);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

/* Content */
.content {
    margin-bottom: var(--spacing-xl);
}

img {
    max-width: 100%;
}

/* Header */
.site-header {
    text-align: center;
    padding: var(--spacing-md) 0;
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-family: 'Source Sans Pro', sans-serif;
    font-weight: 700;
    color: var(--heading-color);
    font-size: 2.8rem;
    text-decoration: none;
    margin-bottom: var(--spacing-sm);
}

/* Navigation */
.site-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.site-nav a {
    display: block;
    padding: var(--spacing-md);
    color: var(--nav-link-color);
    text-decoration: none;
    font-family: 'Source Sans Pro', sans-serif;
    font-weight: 600;
    font-size: 125%;
}

.main-menu {
    display: flex;
    flex-direction: row;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: var(--spacing-md);
}

/* Theme Toggle */
.theme-toggle-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

#theme-toggle {
    background: none;
    border: none;
    color: var(--heading-color);
    cursor: pointer;
    font-size: 1.8rem;
    padding: var(--spacing-sm);
    border-radius: 50%;
    transition: background-color 0.3s ease, color 0.3s ease;
    display: inline-block;
    line-height: 1;
}

#theme-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

:root[data-theme="light"] #theme-toggle:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

/* Links */
a:link {
    color: var(--link-color);
}

a:visited {
    color: var(--visited-link-color);
}

/* Post Snippets */
.post-snippet {
    margin-bottom: var(--spacing-md);
}

.post-snippet h3 {
    font-family: 'Source Sans Pro', sans-serif;
    color: var(--heading-color);
    margin-bottom: var(--spacing-xs);
}

/* Latest Posts Section */
.latest-posts {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.latest-posts h2 {
    font-size: 1.8rem;
    font-weight: 600;
    font-family: 'Source Sans Pro', sans-serif;
    color: var(--heading-color);
    margin-bottom: var(--spacing-md);
}

.latest-posts-list {
    list-style: none;
    padding-left: 0;
}

.latest-posts-list li {
    margin-bottom: var(--spacing-md);
}

.latest-posts-list .post-snippet h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.latest-posts-list .post-snippet a {
    color: var(--link-color);
    text-decoration: none;
    font-weight: 400;
}

.latest-posts-list .post-snippet a:visited {
    color: var(--visited-link-color);
}

/* Divider */
hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: var(--spacing-xxl) 0;
}

/* Archive Section */
.archived-posts {
    margin-top: var(--spacing-xl);
}

.archived-posts h2 {
    font-size: 1.8rem;
    font-weight: 600;
    font-family: 'Source Sans Pro', sans-serif;
    color: var(--heading-color);
    margin-bottom: var(--spacing-lg);
}

.archived-posts h3 {
    font-size: 1.4rem;
    color: var(--heading-color);
    font-family: 'Source Sans Pro', sans-serif;
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.archived-posts h4 {
    font-size: 1.2rem;
    color: var(--heading-color);
    font-family: 'Source Sans Pro', sans-serif;
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

/* Archive Folders */
.archive-year-folder,
.archive-month-folder {
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
}

.folder-header {
    padding: var(--spacing-sm);
    margin: 0;
    color: var(--heading-color);
    display: flex;
    align-items: center;
    font-size: 1.15rem;
    font-family: 'Source Sans Pro', sans-serif;
    font-weight: 600;
    cursor: pointer;
}

.toggle-icon {
    margin-right: var(--spacing-md);
    font-weight: bold;
    min-width: 1em;
    text-align: center;
    color: var(--link-color);
}

.folder-content {
    list-style: none;
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) var(--spacing-lg);
    margin: 0;
}

.folder-content li {
    margin-bottom: var(--spacing-sm);
}

.folder-content li:last-child {
    margin-bottom: 0;
}

/* Monthly Archive List */
.monthly-archive-list {
    list-style: none;
    padding-left: 0;
    margin-top: var(--spacing-xs);
}

.monthly-archive-list li {
    margin-bottom: var(--spacing-xs);
}

.monthly-archive-list .post-snippet a {
    color: var(--link-color);
    text-decoration: none;
    font-weight: 400;
    font-size: 0.95rem;
}

.monthly-archive-list .post-snippet a:visited {
    color: var(--visited-link-color);
}

.monthly-archive-list .post-snippet time {
    font-size: 0.75rem;
    color: var(--date-color);
    margin-left: var(--spacing-xs);
    font-style: italic;
}

/* Post Navigation */
.post-navigation {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.post-navigation .nav-link {
    flex: 1;
    color: var(--link-color);
    text-decoration: none;
    font-weight: 500;
    line-height: 1.4;
    transition: color 0.3s ease;
}

.post-navigation .nav-link:hover {
    color: var(--heading-color);
}

.post-navigation .nav-link:visited {
    color: var(--visited-link-color);
}

.post-navigation .nav-link.prev {
    text-align: left;
    max-width: 45%;
}

.post-navigation .nav-link.next {
    text-align: right;
    max-width: 45%;
}

/* Tags */
.tags {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.tags a {
    display: inline-block;
    margin-right: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: rgba(140, 194, 221, 0.1);
    color: var(--link-color);
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.9rem;
    transition: background-color 0.3s ease;
}

:root[data-theme="light"] .tags a {
    background-color: rgba(82, 144, 175, 0.1);
}

.tags a:hover {
    background-color: rgba(140, 194, 221, 0.2);
}

:root[data-theme="light"] .tags a:hover {
    background-color: rgba(82, 144, 175, 0.2);
}

/* Mobile Responsive */
@media screen and (max-width: 48rem) {
    body {
        padding: var(--spacing-md);
    }

    .logo {
        font-size: 2.2rem;
    }

    h1, .post-title {
        font-size: 2rem;
    }

    .post-titles {
        font-size: 1.3rem;
    }

    .latest-posts h2,
    .archived-posts h2 {
        font-size: 1.6rem;
    }

    .latest-posts-list .post-snippet h3 {
        font-size: 1.15rem;
    }

    .folder-header {
        font-size: 1.1rem;
        padding: var(--spacing-md);
        cursor: pointer;
    }

    .folder-content {
        padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md) var(--spacing-xl);
    }

    .monthly-archive-list .post-snippet a {
        font-size: 0.9rem;
    }
    
    /* Mobile Post Navigation */
    .post-navigation {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .post-navigation .nav-link.prev,
    .post-navigation .nav-link.next {
        max-width: 100%;
        text-align: left;
    }
}