/* 
 * Game Boy Theme for BSSG
 * A clean retro theme inspired by the original Nintendo Game Boy,
 * with high readability while maintaining the nostalgic feel
 * 
 * IMPROVEMENTS APPLIED:
 * - Added comprehensive reduced motion support
 * - Enhanced accessibility with focus outlines
 * - Removed external font loading for better performance and text browser compatibility
 * - Enhanced font fallbacks with comprehensive system font stacks
 * - Added text browser fallbacks for decorative elements
 * - Optimized performance while maintaining authentic Game Boy aesthetics
 */

/* REDUCED MOTION SUPPORT - Disable animations for users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
        transform: none !important;
    }
    
    /* Disable hover transforms */
    .site-title a:hover,
    nav a:hover {
        transform: none !important;
    }
}

:root {
    /* Classic Game Boy palette */
    --gb-darkest: #0f380f;
    --gb-dark: #306230;
    --gb-light: #8bac0f;
    --gb-lightest: #9bbc0f;
    
    /* Theme color assignments with enhanced readability */
    --bg-color: #e8f0e8; /* Light green background for readability */
    --container-bg: #f5f8f5; /* Even lighter container background */
    --text-color: #0f380f; /* Dark green text for contrast */
    --heading-color: #0f380f;
    --link-color: #306230; /* Darker green for links */
    --link-hover: #0f380f;
    --accent-color: #8bac0f;
    --border-color: #8bac0f;
    
    /* Typography - Game Boy pixelated fonts with fallbacks */
    --font-main: 'Courier New', 'Lucida Console', 'Monaco', 'Consolas', 'Liberation Mono', monospace;
    --font-headings: 'Courier New', 'Lucida Console', 'Monaco', 'Consolas', 'Liberation Mono', monospace;
    --font-mono: 'Courier New', 'Lucida Console', 'Monaco', 'Consolas', 'Liberation Mono', monospace;
    
    /* Sizing */
    --content-width: 90%;
    --max-content-width: 900px;
    --content-padding: 2rem;
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Game Boy specific */
    --pixel-size: 2px;
    --screen-border: 10px;
    --animation-speed: 0.3s;
}

/* Base elements */
html {
    font-size: 16px; /* Larger base font size for better Game Boy readability */
    background-color: var(--gb-darkest);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    line-height: 1.4; /* Tighter line height for pixelated look */
    color: var(--text-color);
    background-color: var(--bg-color);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    font-weight: bold; /* Bold text for authentic Game Boy appearance */
    text-rendering: optimizeSpeed; /* Crisp pixelated rendering */
}

.container {
    width: var(--content-width);
    max-width: var(--max-content-width);
    margin: 2rem auto;
    padding: var(--content-padding);
    background-color: var(--container-bg);
    border: var(--screen-border) solid #8b9478; /* Game Boy screen border */
    border-radius: 4px;
    box-shadow: 
        0 0 0 4px #373c36,
        0 10px 25px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden; /* Ensure contained elements don't break the Game Boy screen */
}

/* Enhanced header styling with Game Boy power indicator */
header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 4px dashed var(--accent-color);
    position: relative;
}

/* Game Boy power indicator */
header::before {
    content: "● POWER";
    position: absolute;
    top: -10px;
    right: 10px;
    font-size: 0.7rem;
    color: var(--gb-light);
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}

header::after {
    content: "";
    display: block;
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--gb-dark);
    opacity: 0.5;
}

.site-title {
    font-size: 2rem; /* Larger, more prominent Game Boy title */
    letter-spacing: 0px; /* Remove negative spacing for pixelated look */
    margin: 0 0 var(--spacing-md) 0;
    padding: var(--spacing-sm) 0;
    color: var(--heading-color);
    text-shadow: 2px 2px 0 rgba(15, 56, 15, 0.3); /* Stronger shadow for depth */
    position: relative;
    display: inline-block;
    font-weight: bold;
    text-transform: uppercase; /* Game Boy style uppercase */
}

/* TEXT BROWSER FALLBACK: Simplify decorative elements */
.site-title::before,
.site-title::after {
    content: "*";
    color: var(--gb-light);
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1rem;
}

/* Use Game Boy style decoration when positioning is supported */
@supports (position: absolute) {
    .site-title::before,
    .site-title::after {
        content: "â–“"; /* More pixelated Game Boy style block */
        font-size: 1.2rem;
    }
}

.site-title::before {
    left: -1.5rem;
}

.site-title::after {
    right: -1.5rem;
}

.site-title a {
    color: var(--heading-color);
    text-decoration: none;
    transition: color var(--animation-speed) ease;
    position: relative;
    z-index: 1;
}

.site-title a:hover {
    color: var(--link-hover);
    transform: scale(1.05);
}

/* ACCESSIBILITY: Focus states for site title */
.site-title a:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
    color: var(--link-hover);
    transform: scale(1.05);
}

/* Site description */
header p {
    color: var(--text-color);
    font-size: 0.9rem; /* Larger for better readability */
    margin: 0 auto;
    max-width: 85%;
    opacity: 0.9;
    line-height: 1.4; /* Consistent with body line height */
    font-weight: normal; /* Less bold for description */
}

/* Improved Navigation buttons */
nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-sm);
    background-color: rgba(155, 188, 15, 0.1);
    border-radius: 4px;
}

nav a {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md); /* Larger padding for Game Boy buttons */
    background-color: var(--gb-light);
    color: var(--gb-darkest);
    text-decoration: none;
    font-size: 0.9rem; /* Larger font for better readability */
    border: 3px solid var(--gb-dark); /* Thicker border for Game Boy button look */
    border-radius: 0;
    box-shadow: 3px 3px 0 var(--gb-dark); /* Stronger shadow for 3D effect */
    transform: translateY(0);
    transition: all var(--animation-speed) ease-in-out;
    text-align: center;
    min-width: 100px; /* Wider buttons */
    position: relative;
    overflow: hidden;
    font-weight: bold;
    text-transform: uppercase; /* Game Boy style uppercase */
}

nav a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--gb-darkest);
    transform: translateX(-100%);
    transition: transform var(--animation-speed) ease-in-out;
}

nav a:hover::after {
    transform: translateX(0);
}

nav a:hover, 
nav a.active {
    background-color: var(--gb-dark);
    color: var(--bg-color);
    transform: translateY(3px); /* Deeper press effect */
    box-shadow: 0 0 0 var(--gb-dark);
}

/* ACCESSIBILITY: Focus states for navigation */
nav a:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
    background-color: var(--gb-dark);
    color: var(--bg-color);
    transform: translateY(2px);
    box-shadow: 0 0 0 var(--gb-dark);
}

nav a.active {
    font-weight: bold;
    text-decoration: underline;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headings);
    color: var(--heading-color);
    margin: var(--spacing-lg) 0 var(--spacing-md);
    line-height: 1.3;
    text-align: center; /* Center all headings */
}

h1 {
    font-size: 1.6rem; /* Larger for Game Boy prominence */
    border-bottom: 3px solid var(--accent-color); /* Thicker border */
    padding-bottom: var(--spacing-xs);
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px; /* Spaced out for pixelated effect */
}

h2 {
    font-size: 1.3rem; /* Larger for better hierarchy */
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}

h3 {
    font-size: 1.1rem; /* Larger for readability */
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}

p {
    margin: var(--spacing-md) 0;
    font-size: 1rem; /* Larger for better readability */
    line-height: 1.4; /* Consistent pixelated spacing */
    font-weight: normal; /* Less bold for body text */
}

/* Links */
a {
    color: var(--link-color);
    text-decoration: underline;
    transition: color var(--animation-speed) ease;
    position: relative;
}

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

/* ACCESSIBILITY: Focus states for general links */
a:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
    color: var(--link-hover);
}

/* Article styling */
article {
    margin-bottom: var(--spacing-xl);
    text-align: justify; /* Justify text for cleaner appearance */
}

article h1 {
    margin-top: 0;
    text-align: center; /* Center article titles */
}

.page-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    font-size: 0.9rem; /* Larger for readability */
    margin: var(--spacing-md) 0 var(--spacing-lg);
    text-align: center;
    color: var(--text-color);
    opacity: 0.8; /* Slightly more visible */
    font-weight: bold;
    text-transform: uppercase;
}

/* Lists */
ul, ol {
    padding-left: 1.5rem;
    margin: var(--spacing-md) 0;
    font-size: 1rem; /* Larger for readability */
    font-weight: normal;
}

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

/* Code blocks */
pre, code {
    font-family: var(--font-mono);
    font-size: 0.9rem; /* Larger for readability */
    font-weight: bold;
    border-radius: 0; /* Sharp corners for pixelated look */
}

/* Inline code styling */
code {
    background-color: var(--gb-lightest);
    color: var(--gb-darkest);
    padding: 0.1em 0.3em;
    border: 1px solid var(--gb-dark); /* Thinner border for inline code */
}

/* Code block styling */
pre {
    background-color: var(--gb-lightest);
    color: var(--gb-darkest);
    border: 2px solid var(--gb-dark); /* Game Boy style border for blocks */
    padding: var(--spacing-sm);
    overflow-x: auto;
    margin: var(--spacing-md) 0;
}

/* Code inside pre blocks - remove all styling to prevent double borders */
pre code {
    padding: 0;
    background: transparent;
    border: none; /* Remove border from code inside pre */
    font-size: inherit;
}

/* Blockquotes - Game Boy style */
blockquote {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    border: 3px solid var(--gb-dark);
    background-color: var(--gb-lightest);
    color: var(--gb-darkest);
    font-style: normal; /* Remove italic for pixelated look */
    font-weight: bold;
    border-radius: 0; /* Sharp corners for Game Boy style */
    box-shadow: 3px 3px 0 var(--gb-dark);
    position: relative;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

/* Game Boy style quote decoration */
blockquote::before {
    content: "â–“â–“";
    position: absolute;
    top: -3px;
    left: -3px;
    background-color: var(--gb-dark);
    color: var(--gb-lightest);
    padding: 2px 4px;
    font-size: 0.7rem;
    line-height: 1;
}

/* TEXT BROWSER FALLBACK: Simple quote marks */
@supports not (position: absolute) {
    blockquote::before {
        content: ">> ";
        position: static;
        background: none;
        color: var(--gb-dark);
        padding: 0;
        font-size: 1rem;
    }
}

blockquote p:first-child {
    margin-top: 0;
}

blockquote p:last-child {
    margin-bottom: 0;
}

/* Enhanced images and figures */
img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: var(--spacing-md) auto;
    border: 2px solid var(--border-color);
    image-rendering: pixelated; /* Enhance the retro feel for images */
    border-radius: 2px;
}

figcaption,
.caption {
    text-align: center;
    font-size: 0.9rem; /* Larger for readability */
    margin-top: var(--spacing-sm);
    padding: var(--spacing-xs);
    background-color: var(--gb-lightest);
    color: var(--gb-darkest);
    border-radius: 0; /* Sharp corners for pixelated look */
    border: 2px solid var(--gb-dark); /* Game Boy style border */
    display: inline-block;
    margin-left: auto;
    margin-right: auto;
    font-weight: bold;
    text-transform: uppercase;
}

/* Post list styling */
.posts-list article {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px dotted var(--accent-color);
    text-align: center; /* Center list content */
}

.posts-list article:last-child {
    border-bottom: none;
}

.posts-list h2 {
    margin-top: 0;
    font-size: 1.1rem;
    text-align: center; /* Ensure post titles are centered */
}

.posts-list h2 a {
    color: var(--heading-color);
    text-decoration: none;
}

.posts-list h2 a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

/* Improved tags */
.tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin: var(--spacing-md) 0;
    justify-content: center;
}

.tags a {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm); /* More padding */
    font-size: 0.8rem; /* Larger for readability */
    background-color: var(--gb-lightest);
    color: var(--gb-darkest);
    text-decoration: none;
    border: 2px solid var(--gb-dark); /* Thicker border */
    border-radius: 0;
    transition: all var(--animation-speed) ease;
    position: relative;
    overflow: hidden;
    font-weight: bold;
    text-transform: uppercase;
    box-shadow: 2px 2px 0 var(--gb-dark); /* Game Boy button shadow */
}

.tags a:hover {
    background-color: var(--gb-dark);
    color: var(--gb-lightest);
    transform: translateY(2px); /* Deeper press effect */
    box-shadow: 0 0 0 var(--gb-dark); /* Pressed shadow */
}

/* ACCESSIBILITY: Focus states for tags */
.tags a:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
    background-color: var(--gb-dark);
    color: var(--gb-lightest);
    transform: translateY(1px);
}

/* Enhanced footer */
footer {
    text-align: center;
    padding-top: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    border-top: 3px solid var(--accent-color);
    font-size: 0.7rem;
    position: relative;
}

/* Improved pagination */
.pagination {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.pagination a {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md); /* Larger padding */
    background-color: var(--gb-light);
    color: var(--bg-color);
    text-decoration: none;
    font-size: 0.9rem; /* Larger font */
    border: 3px solid var(--gb-dark); /* Thicker border */
    box-shadow: 3px 3px 0 var(--gb-dark); /* Stronger shadow */
    transform: translateY(0);
    transition: all var(--animation-speed) ease-in-out;
    min-width: 100px; /* Wider buttons */
    text-align: center;
    font-weight: bold;
    text-transform: uppercase;
}

.pagination a:hover {
    background-color: var(--gb-dark);
    transform: translateY(3px); /* Deeper press effect */
    box-shadow: 0 0 0 var(--gb-dark);
}

/* ACCESSIBILITY: Focus states for pagination */
.pagination a:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
    background-color: var(--gb-dark);
    transform: translateY(2px);
    box-shadow: 0 0 0 var(--gb-dark);
}

/* Enhanced Game Boy screen scanlines effect */
.container::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(
            to bottom,
            rgba(139, 172, 15, 0.05) 1px, /* More visible scanlines */
            transparent 1px
        );
    background-size: 100% 3px; /* Tighter scanlines for authentic feel */
    pointer-events: none;
    z-index: 1;
    opacity: 0.7; /* More prominent effect */
}

/* Enhanced reading time indicator */
.reading-time {
    display: inline-block;
    font-size: 0.65rem;
    margin: var(--spacing-sm) 0;
    color: var(--gb-dark);
    padding: var(--spacing-xs);
    background-color: rgba(155, 188, 15, 0.1);
    border-radius: 2px;
}

/* TEXT BROWSER FALLBACK: Add "Time: " prefix for reading time */
.reading-time::before {
    content: "Time: ";
    margin-right: var(--spacing-xs);
}

/* Use Game Boy style icon when CSS transforms are supported (modern browsers) */
@supports (transform: translateX(0)) {
    .reading-time::before {
        content: "⏲";
    }
}

/* Better game boy hover effects */
a:not(.site-title a):not(nav a):not(.pagination a):not(.tags a)::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--gb-dark);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--animation-speed) ease;
}

a:not(.site-title a):not(nav a):not(.pagination a):not(.tags a):hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* Responsive design improvements */
@media (max-width: 768px) {
    .container {
        width: 95%;
        margin: 1rem auto;
        padding: var(--spacing-md);
        border-width: 8px;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    body {
        overflow-x: hidden;
        width: 100%;
    }
    
    nav {
        padding: var(--spacing-xs);
        gap: var(--spacing-xs);
        flex-wrap: wrap;
    }
    
    nav a {
        min-width: 70px;
        font-size: 0.65rem;
        margin-bottom: 5px;
    }
    
    .site-title {
        font-size: 1.3rem;
    }
    
    .site-title::before,
    .site-title::after {
        display: none;
    }
    
    h1 {
        font-size: 1.2rem;
    }
    
    h2 {
        font-size: 1.05rem;
    }
    
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .pagination a {
        flex: 1 1 40%;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 13px;
    }
    
    .container {
        width: 100%;
        margin: 0;
        padding: var(--spacing-sm);
        border-width: 6px;
        box-sizing: border-box;
    }
    
    img {
        max-width: 100%;
        height: auto;
    }
    
    pre, code {
        max-width: 100%;
        overflow-x: auto;
    }
    
    .content-padding {
        padding: var(--spacing-xs);
    }
    
    header {
        margin-bottom: var(--spacing-lg);
    }
    
    .site-title {
        font-size: 1.1rem;
        letter-spacing: -0.5px;
    }
    
    nav {
        margin: var(--spacing-md) 0;
    }
    
    nav a {
        padding: var(--spacing-xs) var(--spacing-xs);
        min-width: 60px;
        font-size: 0.6rem;
    }
    
    h1 {
        font-size: 1.1rem;
    }
    
    h2 {
        font-size: 1rem;
    }
    
    h3 {
        font-size: 0.9rem;
    }
    
    p, li {
        font-size: 0.75rem;
        line-height: 1.6;
    }
    
    .page-meta {
        font-size: 0.65rem;
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .pagination {
        margin-top: var(--spacing-lg);
    }
    
    .pagination a {
        font-size: 0.65rem;
        padding: var(--spacing-xs);
    }
    
    pre, code {
        font-size: 0.7rem;
    }
    
    pre {
        padding: var(--spacing-xs);
    }
    
    .tags a {
        font-size: 0.6rem;
    }
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #1e3a1e;
        --container-bg: #0f280f;
        --text-color: #9bbc0f;
        --heading-color: #9bbc0f;
        --link-color: #8bac0f;
        --link-hover: #ffffff;
    }
    
    pre, code {
        background-color: #0b220b;
        color: #9bbc0f;
    }
    
    blockquote {
        background-color: var(--gb-darkest);
        color: var(--gb-lightest);
        border-color: var(--gb-light);
        box-shadow: 3px 3px 0 var(--gb-light);
    }
    
    blockquote::before {
        background-color: var(--gb-light);
        color: var(--gb-darkest);
    }
}