/* 
 * Dark Theme for BSSG
 * A modern dark theme
 */

:root {
    /* Dark palette */
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-color: #e0e0e0;
    --link-color: #bb86fc;
    --link-hover: #d7b8ff;
    --header-color: #ffffff;
    --border-color: #333333;
    --accent-color: #03dac6;
    --accent-secondary: #cf6679;
    --tag-bg: #2d2d2d;
    --tag-text: #bb86fc;
    --code-bg: #1e1e1e;
    --date-color: #9e9e9e;
    --highlight-color: rgba(187, 134, 252, 0.1);
    --transition: 0.3s ease;
    --radius: 8px;
    
    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    --font-headings: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;
    
    /* Sizing */
    --content-width: 720px;
}

/* Base elements */
html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-main);
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--bg-color);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-top: 2.5rem;
    margin-bottom: 1.2rem;
    font-family: var(--font-headings);
    font-weight: 700;
    line-height: 1.3;
    color: var(--header-color);
    letter-spacing: -0.02em;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 1.75rem;
}

h3 {
    font-size: 1.4rem;
}

p {
    margin-top: 0;
    margin-bottom: 1.5rem;
}

/* Links */
a {
    color: var(--link-color);
    text-decoration: none;
    transition: color var(--transition);
    border-bottom: 1px solid rgba(187, 134, 252, 0.3);
    padding-bottom: 1px;
}

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

/* Header */
header {
    margin-bottom: 3rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

header::after {
    content: "";
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), var(--link-color));
    border-radius: var(--radius);
}

/* Site title with gradient effect */
.site-title {
    font-family: var(--font-headings);
    font-weight: 700;
    color: var(--header-color);
    margin: 0;
    font-size: 2.5rem;
    letter-spacing: -0.03em;
    background: linear-gradient(120deg, var(--header-color) 0%, var(--link-color) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    text-shadow: 0 1px 1px rgba(0,0,0,0.05);
}

.site-title a {
    text-decoration: none;
    background: linear-gradient(120deg, var(--header-color) 0%, var(--link-color) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    text-shadow: 0 1px 1px rgba(0,0,0,0.05);
    transition: all var(--transition);
}

.site-title a:hover {
    text-decoration: none;
    background: linear-gradient(120deg, var(--link-hover) 0%, var(--accent-color) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    transform: translateY(-1px);
}

header h1 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-size: 2.5rem;
    letter-spacing: -0.03em;
    background: linear-gradient(120deg, var(--header-color) 0%, var(--link-color) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    text-shadow: 0 1px 1px rgba(0,0,0,0.05);
}

header p {
    margin-bottom: 0.5rem;
    color: var(--date-color);
    font-size: 1.1rem;
}

/* Navigation */
nav {
    margin: 1.5rem 0 0;
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
}

nav a {
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    border: none;
    position: relative;
}

nav a::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width var(--transition);
}

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

nav a:hover::after {
    width: 100%;
}

/* Article */
article {
    margin-bottom: 4rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

article:last-child {
    border-bottom: none;
}

article .meta {
    color: var(--date-color);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.7rem;
}

.reading-time {
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
}

.reading-time::before {
    content: "⏱️";
    margin-right: 0.3rem;
    font-size: 0.9rem;
}

/* Featured Images */
.featured-image {
    margin: 2rem 0;
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
}

.featured-image img {
    width: 100%;
    transition: transform var(--transition);
    display: block;
    border-radius: var(--radius);
}

.featured-image:hover img {
    transform: scale(1.02);
}

.featured-image .image-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.index-image {
    margin: 1.5rem 0;
    border-radius: var(--radius);
    overflow: hidden;
}

.index-image img {
    width: 100%;
    display: block;
    border-radius: var(--radius);
}

.tag-image {
    margin: 1.5rem 0;
    border-radius: var(--radius);
    overflow: hidden;
}

.tag-image img {
    width: 100%;
    display: block;
    border-radius: var(--radius);
}

.archive-image {
    margin: 1.5rem 0;
    border-radius: var(--radius);
    overflow: hidden;
}

.archive-image img {
    width: 100%;
    display: block;
    border-radius: var(--radius);
}

/* Code */
code {
    font-family: var(--font-mono);
    background-color: var(--code-bg);
    padding: 0.2rem 0.4rem;
    font-size: 0.9rem;
    border-radius: var(--radius);
    color: var(--accent-color);
}

pre {
    background-color: var(--code-bg);
    padding: 1.2rem;
    overflow-x: auto;
    border-radius: var(--radius);
    margin: 2rem 0;
    border-left: 3px solid var(--accent-color);
}

pre code {
    padding: 0;
    background-color: transparent;
    color: var(--text-color);
}

/* Tags */
.tags {
    margin-top: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.tags a {
    display: inline-block;
    background-color: var(--tag-bg);
    padding: 0.25rem 0.7rem;
    font-size: 0.8rem;
    text-decoration: none;
    color: var(--tag-text);
    border-radius: var(--radius);
    transition: transform var(--transition), background-color var(--transition);
    border: none;
}

.tags a:hover {
    transform: translateY(-2px);
    background-color: rgba(45, 45, 45, 0.8);
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin: 1rem 0 2rem;
}

.tag-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--tag-bg);
    color: var(--accent-color);
    font-size: 0.7rem;
    border-radius: 50%;
    width: 1.5rem;
    height: 1.5rem;
    margin-left: 0.4rem;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    margin: 1.5rem 0;
    transition: transform var(--transition);
    display: block;
}

img:hover {
    transform: scale(1.01);
}

footer {
    margin-top: 5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--date-color);
    position: relative;
}

footer::before {
    content: "";
    position: absolute;
    top: -1px;
    right: 0;
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, var(--link-color), var(--accent-color));
    border-radius: var(--radius);
}

.date-header {
    color: var(--date-color);
    font-family: var(--font-headings);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.date-header::after {
    content: "";
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-color), var(--link-color));
    border-radius: var(--radius);
}

.posts-list article {
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
}

.posts-list h3 {
    margin-top: 0;
    margin-bottom: 0.5rem;
}

.summary {
    margin-top: 0.7rem;
}

/* Quote styling */
blockquote {
    border-left: 4px solid var(--accent-color);
    padding: 1rem 1.5rem;
    margin: 2rem 0;
    background-color: rgba(187, 134, 252, 0.05);
    border-radius: 0 var(--radius) var(--radius) 0;
    font-style: italic;
    position: relative;
}

blockquote::before {
    content: """;
    font-size: 3rem;
    font-family: Georgia, serif;
    color: var(--accent-color);
    opacity: 0.2;
    position: absolute;
    top: -1rem;
    left: 0.5rem;
}

/* Lists */
ul, ol {
    margin-top: 0;
    margin-bottom: 1.5rem;
    padding-left: 1.8rem;
}

li {
    margin-bottom: 0.5rem;
}

/* Horizontal Rule */
hr {
    border: none;
    height: 1px;
    background-color: var(--border-color);
    margin: 2.5rem 0;
    position: relative;
}

hr::before {
    content: "✧";
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--bg-color);
    padding: 0 1rem;
    color: var(--accent-color);
    font-size: 0.8rem;
}

/* Pagination - Dark Theme */
.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 2.5rem 0 1rem;
    padding: 1rem 0;
    border-top: 1px solid var(--border-color);
}

.pagination a {
    color: var(--accent-color);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 1px solid var(--accent-color);
    background-color: transparent;
    border-radius: 4px;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.pagination a:hover {
    background-color: var(--accent-color);
    color: var(--bg-color);
}

.pagination .page-info {
    color: var(--date-color);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 1.6rem;
    }
    
    h3 {
        font-size: 1.3rem;
    }
    
    blockquote {
        padding: 0.8rem 1.2rem;
    }
    
    pre {
        padding: 1rem;
    }
    
    .container {
        padding: 1.5rem 1rem;
    }
    
    .site-title, header h1 {
        font-size: 2.2rem;
    }
    
    nav {
        gap: 1rem;
    }
    
    .featured-image, .index-image, .tag-image, .archive-image {
        margin: 1.5rem 0;
    }
    
    article .meta {
        flex-wrap: wrap;
    }
}

@media (max-width: 600px) {
    html {
        font-size: 14px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    h3 {
        font-size: 1.2rem;
    }
    
    .container {
        padding: 1.25rem 0.9rem;
    }
    
    .site-title, header h1 {
        font-size: 2rem;
    }
    
    header {
        margin-bottom: 2rem;
    }
    
    nav {
        flex-direction: column;
        gap: 0.8rem;
        margin-top: 1.2rem;
    }
    
    nav a {
        display: block;
        padding: 0.4rem 0;
        font-size: 1rem;
    }
    
    article .meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.4rem;
    }
    
    .pagination {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .pagination a {
        text-align: center;
    }
    
    .pagination .page-info {
        order: -1;
        text-align: center;
        margin-bottom: 0.5rem;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 13px;
    }
    
    h1 {
        font-size: 1.8rem;
    }
    
    h2 {
        font-size: 1.4rem;
    }
    
    h3 {
        font-size: 1.15rem;
    }
    
    .container {
        padding: 1rem 0.8rem;
    }
    
    .site-title, header h1 {
        font-size: 1.8rem;
    }
    
    header::after {
        width: 80px;
        height: 2px;
    }
    
    blockquote {
        padding: 0.7rem 1rem;
    }
    
    blockquote::before {
        font-size: 2.5rem;
    }
    
    pre {
        padding: 0.8rem;
    }
    
    .featured-image, .index-image, .tag-image, .archive-image {
        margin: 1.25rem 0;
    }
    
    .tags a {
        padding: 0.3rem 0.6rem;
        font-size: 0.8rem;
    }
    
    .pagination {
        margin: 2rem 0 0.75rem;
        padding: 0.8rem 0;
    }
}