/* 
 * Apple II Theme for BSSG
 * Green monochrome text terminal style from the Apple II era
 * 
 * IMPROVEMENTS APPLIED:
 * - Added comprehensive reduced motion support
 * - Enhanced accessibility with focus outlines
 * - Added text browser fallbacks for gradient text and decorative elements
 * - Optimized font loading with better fallbacks
 * - Enhanced performance while maintaining authentic Apple II look
 */

/* Reduced motion support */
@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;
    }
}

:root {
    /* Apple II color scheme */
    --bg-color: #000000;
    --text-color: #33ff33;
    --link-color: #88ff88;
    --link-visited: #55bb55;
    --header-color: #33ff33;
    --border-color: #33ff33;
    --title-color: #88ff88;
    --title-highlight: #ccffcc;
    
    /* Typography - ENHANCED fallbacks for text browsers */
    --font-main: 'Courier New', 'Lucida Console', Monaco, 'Consolas', monospace;
    --font-headings: 'Courier New', 'Lucida Console', Monaco, 'Consolas', monospace;
    --font-mono: 'Courier New', 'Lucida Console', Monaco, 'Consolas', monospace;
    
    /* Sizing */
    --content-width: 800px;
    --transition: 0.2s ease;
}

/* Apple II screen effect */
body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
    line-height: 1.5;
    text-shadow: 0 0 5px var(--text-color);
}

/* OPTIMIZED scanline effect with progressive enhancement */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0) 50%, rgba(0, 0, 0, 0.25) 50%);
    background-size: 100% 4px;
    z-index: 2;
    pointer-events: none;
}

/* TEXT BROWSER FALLBACK: Disable complex background when not supported */
@supports not (background-clip: text) {
    body::before {
        display: none;
    }
}

/* Container with simulated terminal screen */
.container {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

/* Terminal header */
header {
    border-bottom: 1px solid var(--text-color);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

/* Site title with Apple II inspired gradient */
.site-title {
    font-size: 1.5rem;
    margin: 0;
    font-weight: normal;
    text-transform: uppercase;
}

.site-title a {
    text-decoration: none;
    /* Apple II green gradient */
    background: linear-gradient(to right, var(--title-color) 0%, var(--title-highlight) 50%, var(--title-color) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 8px var(--title-color);
    display: inline-block;
    position: relative;
    transition: all var(--transition);
}

/* TEXT BROWSER FALLBACK: Provide solid color when gradient text isn't supported */
@supports not (background-clip: text) {
    .site-title a {
        color: var(--title-color);
        background: none;
    }
    
    .site-title a:hover {
        color: var(--title-highlight);
        background: none;
    }
}

.site-title a:hover {
    text-decoration: none;
    background: linear-gradient(to right, var(--title-highlight) 0%, var(--title-color) 50%, var(--title-highlight) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 15px var(--title-highlight);
}

.site-title a:focus {
    outline: 2px solid var(--title-color);
    outline-offset: 2px;
}

.site-title a::after {
    content: "_";
    display: inline-block;
    opacity: 1;
    animation: blink 1s step-end infinite;
    color: var(--title-color);
    text-shadow: 0 0 8px var(--title-color);
    margin-left: 2px;
}

header h1 {
    font-size: 1.5rem;
    margin: 0;
    font-weight: normal;
    text-transform: uppercase;
}

/* Navigation with terminal prompt style */
nav {
    margin-bottom: 30px;
    display: flex;
    flex-wrap: wrap;
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    padding: 5px 15px;
    margin-right: 10px;
    margin-bottom: 10px;
    border: 1px solid var(--text-color);
    position: relative;
    display: inline-block;
    transition: all var(--transition);
}

nav a::before {
    content: "]";
    margin-right: 5px;
}

nav a::after {
    content: "[";
    margin-left: 5px;
}

nav a:hover, nav a:focus {
    background-color: var(--text-color);
    color: var(--bg-color);
    text-shadow: none;
}

nav a:focus {
    outline: 2px solid var(--title-color);
    outline-offset: 2px;
}

/* Selected menu item */
nav a.active {
    background-color: var(--text-color);
    color: var(--bg-color);
    text-shadow: none;
}

/* Content area */
main {
    min-height: 50vh;
}

/* Typography - Apple II style */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headings);
    color: var(--header-color);
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: normal;
    text-transform: uppercase;
}

h1 {
    font-size: 1.5rem;
}

h2 {
    font-size: 1.3rem;
}

h3 {
    font-size: 1.2rem;
}

p {
    margin-bottom: 1rem;
}

/* Terminal cursor blinking effect */
.cursor {
    display: inline-block;
    width: 0.6em;
    height: 1em;
    background-color: var(--text-color);
    animation: blink 1s step-end infinite;
    vertical-align: text-bottom;
    margin-left: 2px;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* Links */
a {
    color: var(--link-color);
    text-decoration: underline;
    transition: color var(--transition);
}

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

a:hover {
    color: var(--title-highlight);
    text-shadow: 0 0 5px var(--title-highlight);
}

a:focus {
    outline: 2px solid var(--title-color);
    outline-offset: 2px;
    color: var(--title-highlight);
}

article {
    margin-bottom: 30px;
    padding: 15px;
    /* border: 1px dashed var(--text-color); */
    position: relative;
}

article::before {
    content: "***** ARTICLE START *****";
    display: block;
    text-align: center;
    margin-bottom: 15px;
    font-family: var(--font-mono);
    text-transform: uppercase;
}

article:last-child {
    margin-bottom: 0;
}

article .meta {
    font-size: 0.9rem;
    margin-bottom: 10px;
    color: var(--text-color);
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.reading-time {
    display: inline-block;
}

.reading-time::before {
    content: "TIME:";
    margin-right: 5px;
}

/* Featured image styles for Apple II */
.featured-image {
    display: block;
    margin: 20px 0;
    border: 1px dashed var(--text-color);
    padding: 10px;
    position: relative;
}

.featured-image::before {
    content: "***** IMAGE DATA *****";
    display: block;
    text-align: center;
    margin-bottom: 10px;
    font-family: var(--font-mono);
    text-transform: uppercase;
}

.featured-image img {
    display: block;
    margin: 0 auto;
    max-width: 100%;
    height: auto;
    filter: sepia(100%) hue-rotate(70deg) saturate(400%) brightness(0.8);
    border: 1px solid var(--text-color);
    box-shadow: 0 0 15px rgba(51, 255, 51, 0.5);
}

.featured-image .image-caption {
    text-align: center;
    margin-top: 10px;
    font-size: 0.9rem;
    font-style: italic;
}

.featured-image::after {
    content: "***** END IMAGE *****";
    display: block;
    text-align: center;
    margin-top: 10px;
    font-family: var(--font-mono);
    text-transform: uppercase;
}

.index-image {
    display: block;
    margin: 20px 0;
    border: 1px dashed var(--text-color);
    padding: 10px;
    position: relative;
}

.index-image::before {
    content: "***** INDEX IMAGE *****";
    display: block;
    text-align: center;
    margin-bottom: 10px;
    font-family: var(--font-mono);
    text-transform: uppercase;
}

.index-image img {
    display: block;
    margin: 0 auto;
    max-width: 100%;
    height: auto;
    filter: sepia(100%) hue-rotate(70deg) saturate(400%) brightness(0.8);
    border: 1px solid var(--text-color);
}

.index-image::after {
    content: "********************";
    display: block;
    text-align: center;
    margin-top: 10px;
    font-family: var(--font-mono);
    text-transform: uppercase;
}

.tag-image {
    display: block;
    margin: 20px 0;
    border: 1px dashed var(--text-color);
    padding: 10px;
    position: relative;
}

.tag-image::before {
    content: "***** TAG IMAGE *****";
    display: block;
    text-align: center;
    margin-bottom: 10px;
    font-family: var(--font-mono);
    text-transform: uppercase;
}

.tag-image img {
    display: block;
    margin: 0 auto;
    max-width: 100%;
    height: auto;
    filter: sepia(100%) hue-rotate(70deg) saturate(400%) brightness(0.8);
    border: 1px solid var(--text-color);
}

.tag-image::after {
    content: "********************";
    display: block;
    text-align: center;
    margin-top: 10px;
    font-family: var(--font-mono);
    text-transform: uppercase;
}

.archive-image {
    display: block;
    margin: 20px 0;
    border: 1px dashed var(--text-color);
    padding: 10px;
    position: relative;
}

.archive-image::before {
    content: "***** ARCHIVE IMAGE *****";
    display: block;
    text-align: center;
    margin-bottom: 10px;
    font-family: var(--font-mono);
    text-transform: uppercase;
}

.archive-image img {
    display: block;
    margin: 0 auto;
    max-width: 100%;
    height: auto;
    filter: sepia(100%) hue-rotate(70deg) saturate(400%) brightness(0.8);
    border: 1px solid var(--text-color);
}

.archive-image::after {
    content: "************************";
    display: block;
    text-align: center;
    margin-top: 10px;
    font-family: var(--font-mono);
    text-transform: uppercase;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tags::before {
    content: "TAGS:";
    margin-right: 5px;
}

.tags a {
    color: var(--text-color);
    text-decoration: none;
    transition: color var(--transition);
}

.tags a:hover {
    text-decoration: underline;
    color: var(--title-highlight);
}

.tags a:focus {
    outline: 2px solid var(--title-color);
    outline-offset: 2px;
    color: var(--title-highlight);
}

code {
    font-family: var(--font-mono);
    background-color: rgba(51, 255, 51, 0.1);
    padding: 2px 4px;
}

pre {
    background-color: rgba(51, 255, 51, 0.1);
    padding: 10px;
    overflow-x: auto;
    border: 1px solid var(--text-color);
}

pre code {
    background-color: transparent;
    padding: 0;
}

img {
    max-width: 100%;
    height: auto;
    filter: sepia(100%) hue-rotate(70deg) saturate(400%) brightness(0.8);
    border: 1px solid var(--text-color);
}

footer {
    margin-top: 30px;
    padding: 15px;
    border-top: 1px solid var(--text-color);
    text-align: center;
    font-size: 0.9rem;
}

footer::before {
    content: "***** SYSTEM STATUS: READY *****";
    display: block;
    margin-bottom: 10px;
    font-family: var(--font-mono);
    text-transform: uppercase;
}

footer a {
    color: var(--link-color);
    transition: color var(--transition);
}

footer a:hover {
    color: var(--title-highlight);
}

footer a:focus {
    outline: 2px solid var(--title-color);
    outline-offset: 2px;
    color: var(--title-highlight);
}

.pagination {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    padding: 15px;
    border: 1px dashed var(--text-color);
}

.pagination a {
    color: var(--text-color);
    text-decoration: none;
    padding: 5px 10px;
    border: 1px solid var(--text-color);
    transition: all var(--transition);
}

.pagination a::before {
    content: "> ";
}

.pagination a:hover, .pagination a:focus {
    background-color: var(--text-color);
    color: var(--bg-color);
}

.pagination a:focus {
    outline: 2px solid var(--title-color);
    outline-offset: 2px;
}

.pagination .page-info {
    color: var(--text-color);
    font-family: var(--font-mono);
}

@media (max-width: 768px) {
    .container {
        margin: 10px;
        padding: 15px;
        max-width: none;
    }
    
    nav {
        flex-direction: column;
    }
    
    nav a {
        margin-bottom: 5px;
        padding: 8px 12px;
        text-align: center;
    }
    
    article::before {
        font-size: 0.8rem;
        margin-bottom: 10px;
    }
    
    .featured-image,
    .index-image,
    .tag-image,
    .archive-image {
        margin: 15px 0;
        padding: 8px;
    }
    
    article {
        padding: 10px;
        margin-bottom: 20px;
    }
    
    footer {
        padding: 10px;
        font-size: 0.8rem;
    }
    
    .pagination {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
        font-size: 0.9rem;
    }
    
    .container {
        padding: 10px;
    }
    
    h1 {
        font-size: 1.3rem;
    }
    
    h2 {
        font-size: 1.2rem;
    }
    
    pre {
        padding: 8px;
        font-size: 0.8rem;
    }
    
    .featured-image::before,
    .index-image::before,
    .tag-image::before,
    .archive-image::before,
    .featured-image::after,
    .index-image::after,
    .tag-image::after,
    .archive-image::after,
    article::before,
    footer::before {
        font-size: 0.7rem;
    }
}

hr {
    border: none;
    border-top: 1px dashed var(--text-color);
    margin: 20px 0;
    height: 1px;
}

.date-header {
    color: var(--text-color);
    font-family: var(--font-mono);
    text-transform: uppercase;
}