/*
 * Terminal Theme - Mobile First
 * Minimal, performant, elegant
 */

/* === RESET & BASE === */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg: #0d1117;
    --fg: #c9d1d9;
    --fg-muted: #8b949e;
    --accent: #e66386;
    --border: #30363d;
    --code-bg: #161b22;
    --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;
    --max-width: 680px;
    --spacing: 1rem;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-feature-settings: "kern" 1, "liga" 1;
    scroll-behavior: smooth;
    hanging-punctuation: first last;
}

body {
    font-family: var(--font-mono);
    font-size: 0.9375rem;
    font-weight: 400;
    line-height: 1.75;
    color: var(--fg);
    background: var(--bg);
    min-height: 100vh;
    letter-spacing: -0.01em;
}

/* === LAYOUT === */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing);
}

/* === HEADER === */
header {
    padding: var(--spacing) 0;
    margin-bottom: calc(var(--spacing) * 2);
    border-bottom: 1px solid var(--border);
}

nav {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.site-title {
    color: var(--fg);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
}

.site-title:hover {
    color: var(--accent);
}

.nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
}

.nav-links a {
    color: var(--fg-muted);
    text-decoration: none;
    font-size: 0.875rem;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent);
}

.nav-links a[href^="mailto:"] {
    color: var(--accent);
}

/* === MAIN CONTENT === */
main {
    min-height: 60vh;
}

h1, h2, h3, h4 {
    color: var(--fg);
    font-weight: 500;
    line-height: 1.4;
    letter-spacing: -0.02em;
    margin: calc(var(--spacing) * 2.5) 0 var(--spacing);
}

h1 {
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: -0.03em;
}
h2 {
    font-size: 1.125rem;
    font-weight: 700;
}
h3 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--accent);
}

h1:first-child,
h2:first-child {
    margin-top: 0;
}

p {
    margin-bottom: var(--spacing);
    text-wrap: pretty;
}

strong, b {
    font-weight: 500;
    color: var(--fg);
}

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

a:hover {
    text-decoration: underline;
}

/* === INTRO SECTION === */
.intro {
    margin-bottom: calc(var(--spacing) * 3);
}

.intro h1 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing);
}

.cursor {
    color: var(--accent);
    -webkit-animation: blink 1s step-end infinite;
    animation: blink 1s step-end infinite;
}

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

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

.subtitle {
    color: var(--fg-muted);
    font-size: 0.875rem;
}

/* === SECTIONS === */
.section {
    margin-bottom: calc(var(--spacing) * 2);
}

.section h2 {
    color: var(--accent);
    font-weight: 400;
    margin-bottom: var(--spacing);
}

/* === POST LIST === */
.post-list {
    list-style: none;
}

.post-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.post-list li:last-child {
    border-bottom: none;
}

.post-list .date {
    color: var(--fg-muted);
    font-size: 0.8125rem;
}

.post-list .desc {
    color: var(--fg-muted);
    font-size: 0.8125rem;
}

/* === ARTICLE === */
article {
    margin-bottom: calc(var(--spacing) * 2);
}

.post-header {
    margin-bottom: calc(var(--spacing) * 2);
    padding-bottom: var(--spacing);
    border-bottom: 1px solid var(--border);
}

.post-meta {
    color: var(--fg-muted);
    font-size: 0.8125rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 1rem;
}

.content {
    margin-bottom: calc(var(--spacing) * 2);
}

.content > *:last-child {
    margin-bottom: 0;
}

.content ul,
.content ol {
    margin: 0 0 var(--spacing) 1.5rem;
}

.content li {
    margin-bottom: 0.25rem;
}

.content blockquote {
    border-left: 2px solid var(--accent);
    padding-left: var(--spacing);
    margin: var(--spacing) 0;
    color: var(--fg-muted);
    font-style: italic;
}

.content img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: var(--spacing) 0;
}

/* === CODE (Dracula Theme) === */
code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    background: #282a36;
    color: #f8f8f2;
    padding: 0.125rem 0.375rem;
    border-radius: 3px;
}

pre {
    background: #282a36;
    padding: var(--spacing);
    overflow-x: auto;
    margin: var(--spacing) 0;
    border-radius: 3px;
}

pre code {
    background: none;
    padding: 0;
    color: #f8f8f2;
}

/* === POST NAVIGATION === */
.post-nav {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing);
    padding-top: var(--spacing);
    border-top: 1px solid var(--border);
    font-size: 0.875rem;
}

.post-nav a {
    color: var(--fg-muted);
}

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

/* === FOOTER === */
footer {
    margin-top: calc(var(--spacing) * 3);
    padding: var(--spacing) 0;
    border-top: 1px solid var(--border);
    color: var(--fg-muted);
    font-size: 0.8125rem;
}

.heart {
    color: var(--accent);
}

.post-footer {
    border-top: none;
    margin-top: 0;
    padding-top: 0;
}

.tags {
    font-size: 0.8125rem;
    color: var(--fg-muted);
}

/* === PAGINATION === */
.pagination {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: calc(var(--spacing) * 2);
    font-size: 0.875rem;
}

/* === DESKTOP (min-width: 640px) === */
@media (min-width: 640px) {
    :root {
        --spacing: 1.5rem;
    }

    html {
        font-size: 17px;
    }

    .container {
        padding: calc(var(--spacing) * 2);
    }

    nav {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.375rem; }

    .intro h1 {
        font-size: 1.25rem;
    }

    .post-list li {
        flex-direction: row;
        align-items: baseline;
        gap: 1rem;
    }

    .post-list .date {
        flex-shrink: 0;
        width: 6rem;
    }
}

/* === 404 === */
.not-found {
    text-align: center;
    padding: calc(var(--spacing) * 4) 0;
}

.not-found h1 {
    font-size: 4rem;
    font-weight: 400;
    color: var(--accent);
    margin-bottom: var(--spacing);
}

.not-found p {
    color: var(--fg-muted);
}

.not-found a {
    color: var(--accent);
}

/* === PRINT === */
@media print {
    body {
        background: white;
        color: black;
    }

    a {
        color: black;
        text-decoration: underline;
    }

    header, footer, .post-nav {
        display: none;
    }
}