/* css/styles.css */
:root {
    --bg-color: #fdfcf8; /* warm off-white paper */
    --text-color: #2c2b29; /* dark charcoal */
    --link-color: #6c757d; /* subtle grey */
    --link-hover-color: #000000;
    --border-color: #eae6db;
    --accent-color: #6b6154; /* darkened from #a89f91 for WCAG AA text contrast */
    --font-heading: 'Lora', serif;
    --font-body: 'Lora', serif;
    --font-ui: 'Inter', sans-serif;
    --max-width: 700px;
}

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

/* Prevent Flash of Unstyled Content (FOUC) */
.insert-author-name,
.insert-site-title,
.writing-title,
.writing-meta {
    transition: opacity 0.2s ease;
}

body {
    background-color: #ebe9df; /* Muted desk/cover background */
    color: var(--text-color);
    font-family: var(--font-body);
    line-height: 1.8;
    font-size: 18px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Visually hidden but still available to assistive tech */
.visually-hidden {
    text-transform: none; /* never let CSS uppercasing leak into what screen readers announce */
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: #000;
    color: white;
    padding: 8px;
    z-index: 100;
    font-family: var(--font-ui);
    text-decoration: none;
}

.skip-link:focus {
    top: 0;
}

.container {
    max-width: var(--max-width);
    margin: 3rem auto;
    padding: 4rem 3.5rem;
    background-color: var(--bg-color); /* The actual paper */
    box-shadow: 0 15px 40px rgba(0,0,0,0.06), 0 2px 8px rgba(0,0,0,0.04);
    border-radius: 2px;
}

header {
    margin-bottom: 4rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

header h1 {
    font-family: var(--font-heading);
    font-weight: 400;
    font-size: 2rem;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

header h1 a {
    color: var(--text-color);
    text-decoration: none;
}

.site-subtitle {
    font-family: var(--font-ui);
    font-size: 0.85rem;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 2rem;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 2rem;
    font-family: var(--font-ui);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

nav a[aria-current="page"] {
    border-bottom: 1px solid var(--text-color);
}

main {
    min-height: 30vh;
}

h2 {
    font-weight: 400;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

h3 {
    font-weight: 400;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1.5rem;
}

a {
    color: var(--link-color);
    text-decoration: underline;
    text-underline-offset: 4px;
    transition: color 0.3s ease;
}

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

/* Homepage specific */
.intro {
    font-size: 1.25rem;
    font-style: italic;
    text-align: center;
    margin-bottom: 4rem;
    color: var(--text-color);
    line-height: 2;
}

.section-title {
    font-family: var(--font-ui);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
    text-align: center;
}

.writing-list {
    list-style: none;
    margin-bottom: 3rem;
}

.writing-list li {
    margin-bottom: 1rem;
}

.writing-list a {
    text-decoration: none;
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s ease, padding-left 0.3s ease;
}

.writing-list a:hover {
    background-color: rgba(0, 0, 0, 0.03);
    padding-left: 1.5rem;
}

.writing-list .title {
    display: block;
    font-size: 1.2rem;
}

.writing-list .archive-stats {
    text-align: center;
    font-family: var(--font-ui);
    font-size: 0.85rem;
    color: var(--accent-color);
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px dashed var(--border-color);
    letter-spacing: 0.05em;
}

.geeky-stats {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px dashed var(--border-color);
    transition: opacity 0.4s ease;
    opacity: 0.5;
}

.geeky-stats:hover,
.geeky-stats:focus-within {
    opacity: 1;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
}

.stat-value {
    font-family: var(--font-body);
    font-size: 1.4rem;
    color: var(--text-color);
    font-style: italic;
}

.stat-label {
    font-family: var(--font-ui);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-color);
}

/* Individual Writing Page */
.writing-header {
    text-align: center;
    margin-bottom: 3rem;
}

.writing-title {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.writing-meta {
    font-family: var(--font-ui);
    color: var(--accent-color);
    font-size: 0.9rem;
}

.writing-content {
    font-size: 1.1rem;
    line-height: 2.2;
}

.writing-content p {
    margin-bottom: 2rem;
    text-indent: 1.5rem; /* Literary feel */
    text-align: left;
}

.writing-content p:first-of-type {
    text-indent: 0;
}

.writing-content blockquote {
    margin: 2.5rem 0;
    padding: 1rem 2rem;
    border-left: 2px solid var(--accent-color);
    font-style: italic;
    color: var(--accent-color);
    background-color: transparent;
}

.writing-content blockquote p {
    margin-bottom: 0;
    text-indent: 0;
    text-align: left;
}

/* Typewriter Cursor */
.cursor {
    animation: blink 1s step-end infinite;
    font-weight: normal;
    color: var(--accent-color);
}
@keyframes blink {
    50% { opacity: 0; }
}

/* Skip Button */
#skip-btn {
    display: block;
    margin: 3rem auto;
    background: transparent;
    border: 1px solid var(--border-color);
    padding: 0.6rem 1.2rem;
    font-family: var(--font-ui);
    color: var(--accent-color);
    cursor: pointer;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
}
#skip-btn:hover {
    background: var(--accent-color);
    color: var(--bg-color);
}

.writing-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    font-family: var(--font-ui);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.writing-nav a {
    text-decoration: none;
    color: var(--text-color);
}

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

/* Footer */
footer {
    margin-top: 5rem;
    padding-top: 2rem;
    text-align: center;
    font-family: var(--font-ui);
    font-size: 0.85rem;
    color: var(--accent-color);
}




/* Accessibility focus styles */
:focus-visible {
    outline: 2px solid var(--text-color);
    outline-offset: 4px;
}

/* Respect reduced-motion preference: neutralize animations, transitions, and smooth scrolling */
@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;
    }

    ::view-transition-group(*),
    ::view-transition-old(*),
    ::view-transition-new(*) {
        animation: none !important;
    }
}

/* View Transitions (Page Turn effect) */
@view-transition {
    navigation: auto;
}

::view-transition-old(root) {
    animation: page-fade-out 0.3s cubic-bezier(0.4, 0, 0.2, 1) both;
}

::view-transition-new(root) {
    animation: page-slide-in 0.4s cubic-bezier(0.4, 0, 0.2, 1) both;
}

@keyframes page-fade-out {
    to {
        opacity: 0;
        transform: scale(0.98);
    }
}

@keyframes page-slide-in {
    from {
        opacity: 0;
        transform: translateX(10px);
    }
}

/* Responsive */
@media (max-width: 600px) {
    .container {
        margin: 0;
        padding: 1.5rem;
        box-shadow: none;
    }
    
    header h1 {
        font-size: 1.75rem;
    }
    
    nav ul {
        gap: 1.5rem;
    }
    
    .writing-title {
        font-size: 2rem;
    }
    .geeky-stats {
        gap: 2rem;
        flex-wrap: wrap;
    }
}

/* Dark Theme overrides */
html.dark-theme {
    background-color: #1a1a1a;
    color-scheme: dark;
    --bg-color: #262626;
    --text-color: #e0e0e0;
    --link-color: #a0a0a0;
    --link-hover-color: #ffffff;
    --border-color: #3a3a3a;
    --accent-color: #9a9a9a; /* lightened from #8c8c8c for WCAG AA text contrast */
}

/* Footer Layout */
.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.toggle-group {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.theme-toggle-btn {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--accent-color);
    font-family: var(--font-ui);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    padding: 0.3rem 1.2rem;
    cursor: pointer;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.theme-toggle-btn:hover {
    color: var(--text-color);
    border-color: var(--text-color);
}

/* No-JS fallback notice */
.noscript-banner {
    display: block;
    background-color: var(--border-color);
    color: var(--text-color);
    font-family: var(--font-ui);
    font-size: 0.85rem;
    text-align: center;
    padding: 0.75rem 1rem;
}

/* 404 Page */
.error-page {
    text-align: center;
    padding: 4rem 0;
}

.error-code {
    font-family: var(--font-heading);
    font-size: 5rem;
    font-weight: 400;
    color: var(--accent-color);
    margin-bottom: 1rem;
    line-height: 1;
}

.error-heading {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 2rem;
}

.error-message {
    font-family: var(--font-heading);
    font-size: 1rem;
    color: var(--accent-color);
    margin-bottom: 3rem;
    line-height: 1.8;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
}

.error-link {
    font-family: var(--font-ui);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.9rem;
    color: var(--text-color);
    text-decoration: none;
    border-bottom: 1px solid var(--text-color);
    padding-bottom: 0.25rem;
}

/* Title Page Actions */
.title-page-actions {
    text-align: center;
    margin-top: 2rem;
}

.begin-reading-link {
    font-family: var(--font-ui);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 1rem;
    color: var(--text-color);
    text-decoration: none;
    border-bottom: 1px solid var(--text-color);
    padding-bottom: 0.25rem;
    transition: color 0.3s ease, border-color 0.3s ease;
}

.begin-reading-link:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
}