/* Interstellar Run - Dual Theme System */

/* Default Theme: Retro 80s New Wave */
:root {
    --neon-cyan: #00ffff;
    --neon-magenta: #ff00ff;
    --neon-pink: #ff0080;
    --neon-purple: #9d00ff;
    --neon-blue: #0080ff;
    --neon-yellow: #ffff00;
    --dark-bg: #0a0a1a;
    --darker-bg: #050510;
    --grid-color: rgba(0, 255, 255, 0.2);
    --text-primary: #e0e0ff;
    --text-secondary: #a0a0c0;

    /* Theme-aware colors */
    --bg-primary: var(--dark-bg);
    --bg-secondary: var(--darker-bg);
    --color-primary: var(--text-primary);
    --color-secondary: var(--text-secondary);
    --color-accent: var(--neon-cyan);
    --color-accent-alt: var(--neon-magenta);
    --border-color: var(--neon-purple);
    --header-bg: linear-gradient(135deg, var(--neon-purple) 0%, var(--neon-pink) 50%, var(--neon-cyan) 100%);
}

/* E-Ink Theme: Clean Black on White */
[data-theme="eink"] {
    --dark-bg: #ffffff;
    --darker-bg: #f5f5f5;
    --grid-color: rgba(0, 0, 0, 0.05);
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --neon-cyan: #0066cc;
    --neon-magenta: #000000;
    --neon-pink: #333333;
    --neon-purple: #555555;

    /* Theme-aware colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --color-primary: #1a1a1a;
    --color-secondary: #666666;
    --color-accent: #0066cc;
    --color-accent-alt: #000000;
    --border-color: #cccccc;
    --header-bg: #f5f5f5;
}

/* Disable animations in e-ink mode */
[data-theme="eink"] body::before,
[data-theme="eink"] body::after {
    animation: none !important;
    opacity: 0.05 !important;
}

[data-theme="eink"] h1 {
    animation: none !important;
    text-shadow: none !important;
}

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

body {
    font-family: 'Courier New', 'Courier', monospace;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    position: relative;
    overflow-x: hidden;
}

/* Animated grid background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(0deg, transparent 24%, var(--grid-color) 25%, var(--grid-color) 26%, transparent 27%, transparent 74%, var(--grid-color) 75%, var(--grid-color) 76%, transparent 77%, transparent),
        linear-gradient(90deg, transparent 24%, var(--grid-color) 25%, var(--grid-color) 26%, transparent 27%, transparent 74%, var(--grid-color) 75%, var(--grid-color) 76%, transparent 77%, transparent);
    background-size: 50px 50px;
    background-position: 0 0;
    z-index: -1;
    opacity: 0.3;
    animation: gridScroll 20s linear infinite;
}

@keyframes gridScroll {
    0% {
        transform: perspective(500px) rotateX(60deg) translateY(0);
    }
    100% {
        transform: perspective(500px) rotateX(60deg) translateY(50px);
    }
}

/* Scanline effect */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.15),
        rgba(0, 0, 0, 0.15) 1px,
        transparent 1px,
        transparent 2px
    );
    pointer-events: none;
    z-index: 1000;
    opacity: 0.5;
}

/* 8-Bit Glittering Stars - Layer 1 (Cyan stars) */
/* DISABLED - To re-enable, uncomment this entire block */
/*
html::before {
    content: '';
    position: fixed;
    width: 4px;
    height: 4px;
    border-radius: 1px;
    background: transparent;
    box-shadow:
        100px 200px 0 0px var(--neon-cyan),
        300px 100px 0 0px var(--neon-cyan),
        500px 300px 0 1px var(--neon-cyan),
        700px 150px 0 0px var(--neon-cyan),
        900px 250px 0 1px var(--neon-cyan),
        1100px 180px 0 0px var(--neon-cyan),
        1300px 320px 0 1px var(--neon-cyan),
        150px 400px 0 0px var(--neon-cyan),
        350px 500px 0 1px var(--neon-cyan),
        550px 450px 0 0px var(--neon-cyan),
        750px 520px 0 0px var(--neon-cyan),
        950px 480px 0 1px var(--neon-cyan),
        1150px 550px 0 0px var(--neon-cyan),
        200px 600px 0 1px var(--neon-cyan),
        400px 650px 0 0px var(--neon-cyan),
        600px 700px 0 0px var(--neon-cyan),
        800px 620px 0 1px var(--neon-cyan),
        1000px 680px 0 0px var(--neon-cyan),
        1200px 750px 0 0px var(--neon-cyan),
        1400px 640px 0 1px var(--neon-cyan),
        80px 50px 0 0px var(--neon-cyan),
        280px 80px 0 1px var(--neon-cyan),
        480px 120px 0 0px var(--neon-cyan),
        680px 90px 0 0px var(--neon-cyan),
        880px 140px 0 1px var(--neon-cyan);
    z-index: -2;
    animation: twinkle1 3s ease-in-out infinite;
}
*/

/* 8-Bit Glittering Stars - Layer 2 (Magenta/Pink stars) */
/* DISABLED - To re-enable, uncomment this entire block */
/*
html::after {
    content: '';
    position: fixed;
    width: 3px;
    height: 3px;
    border-radius: 1px;
    background: transparent;
    box-shadow:
        200px 150px 0 0px var(--neon-magenta),
        450px 220px 0 1px var(--neon-pink),
        650px 180px 0 0px var(--neon-magenta),
        850px 280px 0 0px var(--neon-pink),
        1050px 200px 0 1px var(--neon-magenta),
        1250px 260px 0 0px var(--neon-pink),
        250px 380px 0 1px var(--neon-magenta),
        470px 420px 0 0px var(--neon-pink),
        670px 460px 0 0px var(--neon-magenta),
        870px 440px 0 1px var(--neon-pink),
        1070px 500px 0 0px var(--neon-magenta),
        1270px 380px 0 0px var(--neon-pink),
        300px 580px 0 1px var(--neon-magenta),
        500px 630px 0 0px var(--neon-pink),
        700px 670px 0 0px var(--neon-magenta),
        900px 590px 0 1px var(--neon-pink),
        1100px 720px 0 0px var(--neon-magenta),
        1300px 660px 0 0px var(--neon-pink),
        120px 100px 0 1px var(--neon-magenta),
        320px 140px 0 0px var(--neon-pink),
        520px 60px 0 0px var(--neon-magenta),
        720px 110px 0 1px var(--neon-pink),
        920px 80px 0 0px var(--neon-magenta);
    z-index: -2;
    animation: twinkle2 4s ease-in-out infinite;
}
*/

/* Twinkle animations with different timing */
/* DISABLED - These go with the stars above */
/*
@keyframes twinkle1 {
    0%, 100% {
        opacity: 0.1;
        transform: scale(1);
    }
    25% {
        opacity: 0.2;
        transform: scale(0.8);
    }
    50% {
        opacity: 0.3;
        transform: scale(1.2);
    }
    75% {
        opacity: 0.5;
        transform: scale(0.9);
    }
}

@keyframes twinkle2 {
    0%, 100% {
        opacity: 0.2;
        transform: scale(1);
    }
    33% {
        opacity: 0.25;
        transform: scale(1.3);
    }
    66% {
        opacity: 0.4;
        transform: scale(0.85);
    }
}
*/

/* Header */
header {
    background: var(--header-bg);
    padding: 0;
    position: relative;
    overflow: hidden;
    border-bottom: 3px solid var(--color-accent);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
}

[data-theme="eink"] header {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid var(--border-color);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
    z-index: 2;
    background: rgba(10, 10, 26, 0.9);
    clip-path: polygon(0 0, 100% 0, 98% 100%, 2% 100%);
}

h1 {
    font-size: 3rem;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.3rem;
    text-shadow:
        0 0 10px var(--neon-cyan),
        0 0 20px var(--neon-cyan),
        0 0 30px var(--neon-cyan),
        0 0 40px var(--neon-magenta),
        0 0 70px var(--neon-magenta),
        0 0 80px var(--neon-magenta),
        0 0 100px var(--neon-magenta);
    animation: flicker 5s infinite alternate;
}

@keyframes flicker {
    0%, 18%, 22%, 25%, 53%, 57%, 100% {
        opacity: 1;
        text-shadow:
            0 0 10px var(--neon-cyan),
            0 0 20px var(--neon-cyan),
            0 0 30px var(--neon-cyan),
            0 0 40px var(--neon-magenta),
            0 0 70px var(--neon-magenta),
            0 0 80px var(--neon-magenta),
            0 0 100px var(--neon-magenta);
    }
    20%, 24%, 55% {
        opacity: 0.8;
        text-shadow: none;
    }
}

.tagline {
    text-align: center;
    color: var(--color-accent);
    font-size: 0.9rem;
    letter-spacing: 0.2rem;
    margin-top: 0.5rem;
    text-transform: uppercase;
}

/* Theme Toggle Button */
.theme-toggle {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 100;
    background: var(--darker-bg);
    border: 2px solid var(--color-accent);
    color: var(--color-accent);
    padding: 0.5rem 1rem;
    cursor: pointer;
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1rem;
    transition: all 0.3s ease;
    clip-path: polygon(10% 0, 100% 0, 90% 100%, 0 100%);
}

.theme-toggle:hover {
    background: var(--color-accent);
    color: var(--darker-bg);
    box-shadow: 0 0 15px var(--color-accent);
}

[data-theme="eink"] .theme-toggle {
    background: #ffffff;
    border: 1px solid #cccccc;
    color: #333333;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    clip-path: none;
    border-radius: 4px;
}

[data-theme="eink"] .theme-toggle:hover {
    background: #f0f0f0;
    color: #000000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* Navigation */
nav {
    background: var(--darker-bg);
    border-bottom: 2px solid var(--neon-purple);
    box-shadow: 0 4px 15px rgba(157, 0, 255, 0.3);
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
}

nav li {
    margin: 0;
}

nav a {
    display: block;
    padding: 1rem 2rem;
    color: var(--neon-cyan);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.1rem;
    font-weight: bold;
    position: relative;
    transition: all 0.3s ease;
    border-right: 1px solid rgba(255, 0, 255, 0.2);
}

nav li:last-child a {
    border-right: none;
}

nav a::before {
    content: '>';
    position: absolute;
    left: 0.5rem;
    opacity: 0;
    transition: all 0.3s ease;
}

nav a:hover {
    background: rgba(255, 0, 255, 0.1);
    color: var(--neon-pink);
    text-shadow: 0 0 10px var(--neon-pink);
}

nav a:hover::before {
    opacity: 1;
}

/* Main content */
main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

/* Blog post cards */
.blog-posts {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.post-card {
    background: linear-gradient(135deg, rgba(157, 0, 255, 0.1) 0%, rgba(0, 128, 255, 0.1) 100%);
    border: 2px solid var(--neon-purple);
    padding: 1.5rem;
    position: relative;
    transition: all 0.3s ease;
    clip-path: polygon(0 0, 98% 0, 100% 10px, 100% 100%, 2% 100%, 0 calc(100% - 10px));
    cursor: pointer;
}

.post-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--neon-cyan), var(--neon-magenta), var(--neon-purple));
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
    clip-path: polygon(0 0, 98% 0, 100% 10px, 100% 100%, 2% 100%, 0 calc(100% - 10px));
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 0, 255, 0.4);
}

.post-card:hover::before {
    opacity: 1;
}

.post-category {
    display: inline-block;
    background: var(--neon-purple);
    color: var(--darker-bg);
    padding: 0.3rem 0.8rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1rem;
    font-weight: bold;
    margin-bottom: 1rem;
    clip-path: polygon(5% 0, 100% 0, 95% 100%, 0 100%);
}

.post-card h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--neon-cyan);
    text-transform: uppercase;
    letter-spacing: 0.1rem;
}

.post-date {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-bottom: 1rem;
}

.post-date::before {
    content: '[ ';
}

.post-date::after {
    content: ' ]';
}

.post-excerpt {
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.read-more {
    display: inline-block;
    color: var(--neon-pink);
    text-decoration: none;
    text-transform: uppercase;
    font-weight: bold;
    letter-spacing: 0.1rem;
    position: static;
    padding-right: 1.5rem;
    transition: all 0.3s ease;
}

/* Stretch the link to cover the entire card */
.read-more::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.read-more::after {
    content: '>>';
    position: relative;
    margin-left: 0.5rem;
    transition: all 0.3s ease;
}

.read-more:hover {
    text-shadow: 0 0 10px var(--neon-pink);
}

.post-card:hover .read-more::after {
    margin-left: 0.8rem;
}

/* Single post view */
.post-content {
    background: rgba(10, 10, 26, 0.5);
    border: 2px solid var(--neon-cyan);
    padding: 2rem;
    margin-top: 2rem;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
}

.post-header {
    border-bottom: 2px solid var(--neon-purple);
    padding-bottom: 1rem;
    margin-bottom: 2rem;
}

.post-header h1 {
    font-size: 2.5rem;
    color: var(--neon-cyan);
    text-transform: uppercase;
    animation: none;
    text-shadow: 0 0 10px var(--neon-cyan);
}

.post-meta {
    display: flex;
    gap: 2rem;
    margin-top: 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.post-body {
    line-height: 1.8;
    color: var(--text-primary);
}

.post-body h2 {
    color: var(--neon-magenta);
    margin: 2rem 0 1rem;
    text-transform: uppercase;
    font-size: 1.8rem;
}

.post-body h3 {
    color: var(--neon-purple);
    margin: 1.5rem 0 0.8rem;
    font-size: 1.4rem;
}

.post-body p {
    margin-bottom: 1rem;
}

.post-body a {
    color: var(--neon-pink);
    text-decoration: none;
    border-bottom: 1px solid var(--neon-pink);
    transition: all 0.3s ease;
}

.post-body a:hover {
    text-shadow: 0 0 10px var(--neon-pink);
    border-bottom-color: transparent;
}

.post-body code {
    background: rgba(0, 255, 255, 0.1);
    color: var(--neon-cyan);
    padding: 0.2rem 0.4rem;
    border: 1px solid var(--neon-cyan);
    font-family: 'Courier New', monospace;
}

.post-body pre {
    background: rgba(5, 5, 16, 0.8);
    border: 2px solid var(--neon-purple);
    padding: 1rem;
    overflow-x: auto;
    margin: 1rem 0;
}

.post-body pre code {
    background: none;
    border: none;
    padding: 0;
}

/* Back button */
.back-link {
    display: inline-block;
    margin-bottom: 2rem;
    color: var(--neon-cyan);
    text-decoration: none;
    text-transform: uppercase;
    font-weight: bold;
    padding: 0.5rem 1rem;
    border: 2px solid var(--neon-cyan);
    transition: all 0.3s ease;
}

.back-link::before {
    content: '<< ';
}

.back-link:hover {
    background: rgba(0, 255, 255, 0.1);
    box-shadow: 0 0 15px var(--neon-cyan);
}

/* Footer */
footer {
    background: var(--darker-bg);
    border-top: 3px solid var(--neon-purple);
    margin-top: 4rem;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 -4px 15px rgba(157, 0, 255, 0.3);
}

footer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

footer a {
    color: var(--neon-pink);
    text-decoration: none;
    transition: all 0.3s ease;
}

footer a:hover {
    text-shadow: 0 0 10px var(--neon-pink);
}

/* Responsive design */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
        letter-spacing: 0.2rem;
    }

    nav ul {
        flex-direction: column;
    }

    nav a {
        border-right: none;
        border-bottom: 1px solid rgba(255, 0, 255, 0.2);
    }

    .blog-posts {
        grid-template-columns: 1fr;
    }

    main {
        padding: 0 1rem;
    }
}

/* Loading animation for logo placeholder */
.logo-placeholder {
    width: 200px;
    height: 200px;
    margin: 0 auto 1rem;
    border: 3px solid var(--neon-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    clip-path: polygon(10% 0, 100% 0, 90% 100%, 0 100%);
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.1), rgba(255, 0, 255, 0.1));
}

.logo-placeholder svg {
    max-width: 80%;
    max-height: 80%;
}

/* ============================================================
   Post Images
   ============================================================ */
.post-image {
    margin: 2rem 0;
    text-align: center;
}

.post-image img {
    max-width: 100%;
    height: auto;
    border: 2px solid var(--border-color);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
    transition: box-shadow 0.3s ease;
}

.post-image img:hover {
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.4);
}

.post-image figcaption {
    margin-top: 0.75rem;
    font-size: 0.9rem;
    color: var(--color-secondary);
    font-style: italic;
}

/* E-Ink theme adjustments for images */
[data-theme="eink"] .post-image img {
    border-color: #cccccc;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

[data-theme="eink"] .post-image img:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* ============================================================
   Video Embeds (YouTube, TikTok)
   ============================================================ */
.video-embed {
    margin: 2rem 0;
    display: flex;
    justify-content: center;
}

/* YouTube - 16:9 aspect ratio */
.video-embed-youtube {
    position: relative;
    width: 100%;
    max-width: 800px;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
    border: 2px solid var(--neon-magenta);
    box-shadow: 0 0 20px rgba(255, 0, 255, 0.3);
    background: var(--darker-bg);
}

.video-embed-youtube iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-embed-youtube:hover {
    box-shadow: 0 0 30px rgba(255, 0, 255, 0.5);
}

/* TikTok - Vertical 9:16 aspect ratio */
.video-embed-tiktok {
    max-width: 400px;
    width: 100%;
    border: 2px solid var(--neon-pink);
    box-shadow: 0 0 20px rgba(255, 0, 128, 0.3);
    background: var(--darker-bg);
    padding: 1rem;
}

.video-embed-tiktok blockquote {
    margin: 0;
}

.video-embed-tiktok:hover {
    box-shadow: 0 0 30px rgba(255, 0, 128, 0.5);
}

/* E-Ink theme adjustments for videos */
[data-theme="eink"] .video-embed-youtube {
    border-color: #cccccc;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

[data-theme="eink"] .video-embed-youtube:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

[data-theme="eink"] .video-embed-tiktok {
    border-color: #cccccc;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

[data-theme="eink"] .video-embed-tiktok:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Responsive video embeds */
@media (max-width: 768px) {
    .video-embed-youtube {
        max-width: 100%;
    }

    .video-embed-tiktok {
        max-width: 100%;
    }
}


/* ============================================================
   AMBER CRT THEME: Classic Amber Monochrome Terminal
   ============================================================ */

[data-theme="ambercrt"] {
    /* Amber CRT color tokens */
    --dark-bg: #000000;
    --darker-bg: #000000;
    --grid-color: rgba(255, 176, 0, 0.05);

    --text-primary: #ffb000;
    --text-secondary: #d8a340;

    --neon-cyan: #ffb000;     /* repurposed as main amber */
    --neon-magenta: #ffb000;
    --neon-pink: #ffbf40;
    --neon-purple: #b87800;
    --neon-blue: #ffb000;

    /* theme-aware colors */
    --bg-primary: #000000;
    --bg-secondary: #000000;
    --color-primary: #ffb000;
    --color-secondary: #d8a340;
    --color-accent: #ffb000;
    --color-accent-alt: #d8a340;
    --border-color: #ffb000;

    /* Amber gradient header */
    --header-bg: linear-gradient(135deg, #d88a00 0%, #ffb000 50%, #ffc857 100%);

    /* CRT glow */
    --crt-glow: rgba(255, 176, 0, 0.6);
}

/* Body, grid, and scanline changes */
[data-theme="ambercrt"] body {
    background: #000000;
    color: #ffb000;
    text-shadow: 0 0 4px var(--crt-glow);
}

/* Disable retrowave glow animations */
[data-theme="ambercrt"] h1 {
    animation: none !important;
    text-shadow: 0 0 10px var(--crt-glow), 0 0 20px var(--crt-glow);
}

/* Background grid (dim amber) */
[data-theme="ambercrt"] body::before {
    background-image:
        linear-gradient(0deg, transparent 24%, var(--grid-color) 25%, var(--grid-color) 26%, transparent 27%, transparent 74%, var(--grid-color) 75%, var(--grid-color) 76%, transparent 77%, transparent),
        linear-gradient(90deg, transparent 24%, var(--grid-color) 25%, var(--grid-color) 26%, transparent 27%, transparent 74%, var(--grid-color) 75%, var(--grid-color) 76%, transparent 77%, transparent);
    opacity: 0.1;
    animation: none;
}

/* Scanlines (slightly enhanced) */
[data-theme="ambercrt"] body::after {
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.25),
        rgba(0, 0, 0, 0.25) 1px,
        transparent 1px,
        transparent 2px
    );
    opacity: 0.3;
}

/* Header */
[data-theme="ambercrt"] header {
    background: var(--header-bg);
    border-bottom: 2px solid #ffb000;
    box-shadow: 0 0 20px var(--crt-glow);
}

[data-theme="ambercrt"] .header-content {
    background: rgba(0, 0, 0, 0.85);
}

/* Navigation */
[data-theme="ambercrt"] nav {
    background: #000000;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 0 15px rgba(255, 176, 0, 0.2);
}

[data-theme="ambercrt"] nav a {
    color: #ffb000;
    border-right: 1px solid rgba(255, 176, 0, 0.2);
}

[data-theme="ambercrt"] nav a:hover {
    background: rgba(255, 176, 0, 0.1);
    color: #ffcf4d;
    text-shadow: 0 0 10px var(--crt-glow);
}

/* Post cards */
[data-theme="ambercrt"] .post-card {
    background: #000000;
    border: 2px solid #ffb000;
    box-shadow: 0 0 12px rgba(255, 176, 0, 0.3);
}

[data-theme="ambercrt"] .post-card::before {
    background: linear-gradient(45deg, #ffb000, #d88a00);
}

/* Post category label */
[data-theme="ambercrt"] .post-category {
    background: #ffb000;
    color: #000000;
}

/* Text colors */
[data-theme="ambercrt"] h2,
[data-theme="ambercrt"] h3 {
    color: #ffb000;
    text-shadow: 0 0 4px var(--crt-glow);
}

/* Post content */
[data-theme="ambercrt"] .post-content {
    background: rgba(0, 0, 0, 0.8);
    border: 2px solid #ffb000;
    box-shadow: 0 0 15px rgba(255, 176, 0, 0.3);
}

/* Footer */
[data-theme="ambercrt"] footer {
    background: #000000;
    border-top: 2px solid #ffb000;
    box-shadow: 0 -4px 15px rgba(255, 176, 0, 0.3);
}

/* ---------- VIDEO EMBEDS ---------- */

[data-theme="ambercrt"] .video-embed-youtube {
    border-color: #ffb000;
    box-shadow: 0 0 20px rgba(255, 176, 0, 0.3);
}

[data-theme="ambercrt"] .video-embed-youtube:hover {
    box-shadow: 0 0 30px rgba(255, 176, 0, 0.5);
}

[data-theme="ambercrt"] .video-embed-tiktok {
    border-color: #ffb000;
    box-shadow: 0 0 20px rgba(255, 176, 0, 0.3);
}

/* ---------- IMAGES ---------- */

[data-theme="ambercrt"] .post-image img {
    border-color: #ffb000;
    box-shadow: 0 0 20px rgba(255, 176, 0, 0.2);
}

[data-theme="ambercrt"] .post-image img:hover {
    box-shadow: 0 0 30px rgba(255, 176, 0, 0.4);
}

/* ---------- CRT MOTION FILTERS ---------- */
/* These give the display that warm, glowing amber feel */

[data-theme="ambercrt"] .post-content,
[data-theme="ambercrt"] .post-card,
[data-theme="ambercrt"] main,
[data-theme="ambercrt"] .header-content {
    filter:
        brightness(1.1)
        contrast(1.25)
        saturate(1.2);
}

/* CRT curved screen effect - subtle barrel distortion */
[data-theme="ambercrt"] body {
    transform: perspective(800px) rotateX(0.5deg);
    transform-origin: center top;
}

/* Vignette effect for CRT edges */
[data-theme="ambercrt"]::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    box-shadow: inset 0 0 150px rgba(0, 0, 0, 0.7);
    border-radius: 8px;
}

/* ============================================================
   AMBER CRT: DOS Box-Drawing Character Borders
   Characters: ╔═╗║╚╝╠╣╦╩╬
   ============================================================ */

/* Glyph border mixin - base styles for glyphified elements */
[data-theme="ambercrt"] .post-card,
[data-theme="ambercrt"] .post-content,
[data-theme="ambercrt"] nav,
[data-theme="ambercrt"] .header-content,
[data-theme="ambercrt"] footer {
    /* Remove standard borders - we'll use glyph borders */
    border: none !important;
    clip-path: none !important;
    position: relative;
    /* Ensure space for glyph borders */
    padding: 1.5rem;
}

/* Top border line with corners: ╔════════════════════════════╗ */
[data-theme="ambercrt"] .post-card::before,
[data-theme="ambercrt"] .post-content::before {
    content: '╔' attr(data-glyph-top) '╗';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1.2em;
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    line-height: 1;
    color: #ffb000;
    text-shadow: 0 0 4px rgba(255, 176, 0, 0.6);
    overflow: hidden;
    white-space: nowrap;
    background: #000;
    z-index: 1;
}

/* Generate horizontal bar via repeating character */
[data-theme="ambercrt"] .post-card::before {
    content: '╔══════════════════════════════════════════════════════════════════╗';
}

[data-theme="ambercrt"] .post-content::before {
    content: '╔══════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗';
}

/* Bottom border line: ╚════════════════════════════╝ */
[data-theme="ambercrt"] .post-card::after,
[data-theme="ambercrt"] .post-content::after {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1.2em;
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    line-height: 1;
    color: #ffb000;
    text-shadow: 0 0 4px rgba(255, 176, 0, 0.6);
    overflow: hidden;
    white-space: nowrap;
    background: #000;
    z-index: 1;
}

[data-theme="ambercrt"] .post-card::after {
    content: '╚══════════════════════════════════════════════════════════════════╝';
}

[data-theme="ambercrt"] .post-content::after {
    content: '╚══════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝';
}

/* Side borders using box-shadow technique with left/right lines */
[data-theme="ambercrt"] .post-card,
[data-theme="ambercrt"] .post-content {
    background: #000 !important;
    /* Simulated vertical bars via inset shadows */
    box-shadow:
        inset 1ch 0 0 0 #ffb000,
        inset -1ch 0 0 0 #ffb000,
        0 0 20px rgba(255, 176, 0, 0.3);
}

/* Glyph wrapper for vertical bars - uses generated content in wrapper elements */
[data-theme="ambercrt"] .post-card .glyph-border-left,
[data-theme="ambercrt"] .post-card .glyph-border-right {
    position: absolute;
    top: 1.2em;
    bottom: 1.2em;
    width: 1ch;
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    color: #ffb000;
    text-shadow: 0 0 4px rgba(255, 176, 0, 0.6);
    overflow: hidden;
    writing-mode: vertical-lr;
    text-orientation: upright;
    letter-spacing: -0.15em;
    background: #000;
    z-index: 1;
}

[data-theme="ambercrt"] .post-card .glyph-border-left {
    left: 0;
}

[data-theme="ambercrt"] .post-card .glyph-border-right {
    right: 0;
}

/* Alternative: Pure CSS vertical borders using repeating gradients */
[data-theme="ambercrt"] .post-card {
    --glyph-v: '║';
    border-left: 1ch solid transparent !important;
    border-right: 1ch solid transparent !important;
    background-image:
        linear-gradient(#000, #000),
        repeating-linear-gradient(
            to bottom,
            #ffb000 0,
            #ffb000 0.8em,
            transparent 0.8em,
            transparent 1em
        );
    background-clip: padding-box, border-box;
    background-origin: padding-box, border-box;
}

/* Header content glyph border */
[data-theme="ambercrt"] .header-content::before {
    content: '╔══[ INTERSTELLAR RUN ]═══════════════════════════════════════════════════════╗';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1.2em;
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    line-height: 1;
    color: #ffb000;
    text-shadow: 0 0 6px rgba(255, 176, 0, 0.8);
    overflow: hidden;
    white-space: nowrap;
    background: rgba(0, 0, 0, 0.9);
    z-index: 10;
}

[data-theme="ambercrt"] .header-content::after {
    content: '╚══════════════════════════════════════════════════════════════════════════════╝';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1.2em;
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    line-height: 1;
    color: #ffb000;
    text-shadow: 0 0 6px rgba(255, 176, 0, 0.8);
    overflow: hidden;
    white-space: nowrap;
    background: rgba(0, 0, 0, 0.9);
    z-index: 10;
}

/* Nav glyph styling */
[data-theme="ambercrt"] nav::before {
    content: '╔══[ NAVIGATION ]════════════════════════════════════════════════════════════╗';
    display: block;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: #ffb000;
    text-shadow: 0 0 4px rgba(255, 176, 0, 0.6);
    padding: 0.25rem 0;
    text-align: center;
}

[data-theme="ambercrt"] nav::after {
    content: '╚══════════════════════════════════════════════════════════════════════════════╝';
    display: block;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: #ffb000;
    text-shadow: 0 0 4px rgba(255, 176, 0, 0.6);
    padding: 0.25rem 0;
    text-align: center;
}

/* Footer glyph border */
[data-theme="ambercrt"] footer::before {
    content: '╔══════════════════════════════════════════════════════════════════════════════╗';
    display: block;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: #ffb000;
    text-shadow: 0 0 4px rgba(255, 176, 0, 0.6);
    margin-bottom: 1rem;
    text-align: center;
}

[data-theme="ambercrt"] footer::after {
    content: '╚══════════════════════════════════════════════════════════════════════════════╝';
    display: block;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: #ffb000;
    text-shadow: 0 0 4px rgba(255, 176, 0, 0.6);
    margin-top: 1rem;
    text-align: center;
}

/* Theme toggle button - DOS style */
[data-theme="ambercrt"] .theme-toggle {
    background: #000;
    border: none !important;
    color: #ffb000;
    clip-path: none;
    font-family: 'Courier New', monospace;
    box-shadow: none;
    position: relative;
    padding: 0.5rem 1rem;
}

[data-theme="ambercrt"] .theme-toggle::before {
    content: '[ ';
}

[data-theme="ambercrt"] .theme-toggle::after {
    content: ' ]';
}

[data-theme="ambercrt"] .theme-toggle:hover {
    background: #ffb000;
    color: #000;
    text-shadow: none;
}

/* Post category - DOS label style */
[data-theme="ambercrt"] .post-category {
    background: transparent;
    color: #ffb000;
    border: none;
    clip-path: none;
    padding: 0;
}

[data-theme="ambercrt"] .post-category::before {
    content: '┌─[ ';
}

[data-theme="ambercrt"] .post-category::after {
    content: ' ]─┐';
}

/* Read more link - DOS style */
[data-theme="ambercrt"] .read-more {
    color: #ffb000;
}

[data-theme="ambercrt"] .read-more::after {
    content: ' ►' !important;
}

/* Nav links - DOS menu style */
[data-theme="ambercrt"] nav a::before {
    content: '│ ' !important;
    opacity: 1 !important;
    position: relative !important;
    left: 0 !important;
}

[data-theme="ambercrt"] nav a::after {
    content: ' │';
}

[data-theme="ambercrt"] nav a {
    border: none !important;
}

[data-theme="ambercrt"] nav a:hover::before {
    content: '├►' !important;
}

/* ============================================================
   AMBER CRT: Subtle Flicker Animation
   Simulates phosphor persistence and power fluctuation
   ============================================================ */

@keyframes crt-flicker {
    0% {
        opacity: 1;
        filter: brightness(1) contrast(1.25);
    }
    2% {
        opacity: 0.97;
        filter: brightness(1.02) contrast(1.25);
    }
    4% {
        opacity: 1;
        filter: brightness(0.98) contrast(1.26);
    }
    8% {
        opacity: 0.98;
        filter: brightness(1.01) contrast(1.24);
    }
    19% {
        opacity: 1;
        filter: brightness(1) contrast(1.25);
    }
    21% {
        opacity: 0.96;
        filter: brightness(1.03) contrast(1.25);
    }
    23% {
        opacity: 1;
        filter: brightness(0.99) contrast(1.25);
    }
    50% {
        opacity: 1;
        filter: brightness(1) contrast(1.25);
    }
    52% {
        opacity: 0.99;
        filter: brightness(1.01) contrast(1.24);
    }
    77% {
        opacity: 1;
        filter: brightness(1) contrast(1.25);
    }
    79% {
        opacity: 0.97;
        filter: brightness(1.02) contrast(1.26);
    }
    80% {
        opacity: 1;
        filter: brightness(0.98) contrast(1.25);
    }
    100% {
        opacity: 1;
        filter: brightness(1) contrast(1.25);
    }
}

/* Apply flicker to the CRT theme body */
[data-theme="ambercrt"] body {
    animation: crt-flicker 8s infinite;
}

/* Phosphor glow pulse - subtle brightness variation */
@keyframes phosphor-glow {
    0%, 100% {
        text-shadow: 0 0 4px rgba(255, 176, 0, 0.6);
    }
    50% {
        text-shadow: 0 0 6px rgba(255, 176, 0, 0.75);
    }
}

[data-theme="ambercrt"] h1,
[data-theme="ambercrt"] h2,
[data-theme="ambercrt"] .post-card h2 {
    animation: phosphor-glow 4s ease-in-out infinite;
}

/* Scanline shimmer - very subtle vertical shift */
@keyframes scanline-drift {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 0 4px;
    }
}

[data-theme="ambercrt"] body::after {
    animation: scanline-drift 0.1s linear infinite;
}

/* Occasional "power surge" flash - very rare and subtle */
@keyframes power-surge {
    0%, 99%, 100% {
        filter: brightness(1);
    }
    99.5% {
        filter: brightness(1.15);
    }
}

[data-theme="ambercrt"] main {
    animation: power-surge 30s ease-in-out infinite;
}

/* ============================================================
   AMBER CRT: Brightness/Contrast Control Panel
   Fixed position knobs in lower-right corner
   ============================================================ */

.crt-controls {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 10000;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    color: #ffb000;
    background: #000;
    padding: 0.5rem;
    display: none; /* Hidden by default, shown via JS for CRT theme */
    text-shadow: 0 0 4px rgba(255, 176, 0, 0.6);
    box-shadow: 0 0 20px rgba(255, 176, 0, 0.3);
}

.crt-controls-header,
.crt-controls-footer {
    text-align: center;
    letter-spacing: 0.05em;
}

.crt-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.5rem;
}

.crt-control label {
    width: 3ch;
    text-align: right;
    font-weight: bold;
}

.crt-value {
    width: 5ch;
    text-align: right;
    font-size: 0.75rem;
    color: #d8a340;
}

/* Slider (knob) styling - amber CRT aesthetic */
.crt-knob {
    -webkit-appearance: none;
    appearance: none;
    width: 80px;
    height: 4px;
    background: #3a2800;
    border: 1px solid #ffb000;
    outline: none;
    cursor: pointer;
}

.crt-knob::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 16px;
    background: #ffb000;
    cursor: pointer;
    border: none;
    box-shadow: 0 0 8px rgba(255, 176, 0, 0.8);
}

.crt-knob::-moz-range-thumb {
    width: 12px;
    height: 16px;
    background: #ffb000;
    cursor: pointer;
    border: none;
    box-shadow: 0 0 8px rgba(255, 176, 0, 0.8);
}

.crt-knob:hover::-webkit-slider-thumb {
    background: #ffcf4d;
    box-shadow: 0 0 12px rgba(255, 207, 77, 1);
}

.crt-knob:hover::-moz-range-thumb {
    background: #ffcf4d;
    box-shadow: 0 0 12px rgba(255, 207, 77, 1);
}

/* Knob track glow on hover */
.crt-knob:hover {
    background: #4d3a00;
    box-shadow: 0 0 6px rgba(255, 176, 0, 0.4);
}

/* Side decoration bars for control panel */
.crt-controls::before,
.crt-controls::after {
    content: '║';
    position: absolute;
    top: 1.2em;
    bottom: 1.2em;
    color: #ffb000;
    font-size: 0.85rem;
    line-height: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.crt-controls::before {
    left: 0.15rem;
    content: '║║║║║║║║';
    writing-mode: vertical-lr;
    letter-spacing: -0.35em;
}

.crt-controls::after {
    right: 0.15rem;
    content: '║║║║║║║║';
    writing-mode: vertical-lr;
    letter-spacing: -0.35em;
}

/* ============================================================
   AMBER CRT: Glyph-Snapped Elements
   ============================================================ */

[data-theme="ambercrt"] .glyph-snapped {
    /* Ensure content aligns to character grid */
    font-variant-numeric: tabular-nums;
}

/* Responsive: move controls to bottom center on mobile */
@media (max-width: 768px) {
    .crt-controls {
        right: 50%;
        transform: translateX(50%);
        bottom: 1rem;
    }
}