/* Shared stylesheet for rugo.dev blog pages.
   The landing page keeps its own inline CSS; the blog has several pages, so the
   tokens and article typography live here rather than being copied per post. */

:root {
    --bg: #0d0f14;
    --surface: #161920;
    --border: #252830;
    --accent: #4f8ef7;
    --accent2: #7c5cfc;
    --text: #e2e6f0;
    --muted: #7a8099;
    --green: #3ecf8e;
    --red: #f56565;
    --code-bg: #11131a;
    --radius: 8px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial,
        sans-serif;
    font-size: 16px;
    line-height: 1.7;
}

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

/* ── NAV ── */
nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(13, 15, 20, 0.88);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    height: 56px;
}
.nav-logo {
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
    color: var(--text);
}
.nav-logo span {
    color: var(--accent);
}
.nav-links {
    display: flex;
    gap: 1.75rem;
    font-size: 0.9rem;
}
.nav-links a {
    color: var(--muted);
}
.nav-links a:hover {
    color: var(--text);
    text-decoration: none;
}

/* ── LAYOUT ── */
.container {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

article,
.listing {
    padding: 4rem 0 5rem;
}

/* ── ARTICLE HEADER ── */
.post-header {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}
.post-header h1 {
    font-size: clamp(1.9rem, 4.5vw, 2.6rem);
    font-weight: 800;
    letter-spacing: -0.035em;
    line-height: 1.2;
    margin-bottom: 1rem;
}
.post-meta {
    font-size: 0.85rem;
    color: var(--muted);
}
.post-meta .sep {
    margin: 0 0.5rem;
}
.post-tags {
    margin-top: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.post-tags span {
    font-size: 0.72rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--muted);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 100px;
    padding: 0.15rem 0.7rem;
}

/* ── ARTICLE BODY ── */
article h2 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    margin: 3rem 0 1rem;
}
article h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin: 2rem 0 0.75rem;
}
article p {
    margin-bottom: 1.25rem;
}
article ul,
article ol {
    margin: 0 0 1.25rem 1.5rem;
}
article li {
    margin-bottom: 0.5rem;
}
article strong {
    color: #fff;
}

/* The one number the piece exists to show. */
.lede {
    font-size: 1.15rem;
    color: var(--muted);
    border-left: 3px solid var(--accent);
    padding-left: 1.25rem;
    margin-bottom: 2rem;
}
.lede strong {
    color: var(--text);
}

blockquote {
    border-left: 3px solid var(--border);
    padding-left: 1.25rem;
    color: var(--muted);
    margin-bottom: 1.25rem;
}

code {
    font-family: "SF Mono", "Fira Code", monospace;
    font-size: 0.88em;
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.1rem 0.35rem;
}

pre {
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    overflow-x: auto;
    font-family: "SF Mono", "Fira Code", monospace;
    font-size: 0.85rem;
    line-height: 1.7;
    tab-size: 4;
    margin-bottom: 1.5rem;
    position: relative;
}
pre code {
    background: none;
    border: none;
    padding: 0;
    font-size: inherit;
}
pre .c {
    color: var(--muted);
}
pre .k {
    color: var(--accent2);
}
pre .s {
    color: #e6a04a;
}
pre .f {
    color: var(--accent);
}
pre .n {
    color: var(--green);
}

.copy-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--muted);
    font-size: 0.72rem;
    padding: 0.2rem 0.5rem;
    cursor: pointer;
    opacity: 0;
    transition:
        opacity 0.15s,
        color 0.15s;
}
pre:hover .copy-btn {
    opacity: 1;
}
.copy-btn.copied {
    color: var(--green);
    border-color: var(--green);
}

/* ── TABLES ── */
.table-scroll {
    overflow-x: auto;
    margin-bottom: 1.5rem;
}
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}
th {
    text-align: left;
    padding: 0.55rem 0.9rem;
    color: var(--muted);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
td {
    padding: 0.65rem 0.9rem;
    border-bottom: 1px solid var(--border);
}
tr:last-child td {
    border-bottom: none;
}
td:first-child {
    color: var(--muted);
}
.win {
    color: var(--green);
    font-weight: 700;
}
.lose {
    color: var(--muted);
}
tr.highlight td {
    background: rgba(62, 207, 142, 0.06);
}

/* ── LISTING ── */
.listing h1 {
    font-size: clamp(1.9rem, 4.5vw, 2.6rem);
    font-weight: 800;
    letter-spacing: -0.035em;
    margin-bottom: 0.75rem;
}
.listing-intro {
    color: var(--muted);
    margin-bottom: 3rem;
}
.post-card {
    display: block;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.25rem;
    color: inherit;
}
.post-card:hover {
    border-color: var(--accent);
    text-decoration: none;
}
.post-card h2 {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}
.post-card .post-meta {
    margin-bottom: 0.6rem;
}
.post-card p {
    color: var(--muted);
    font-size: 0.92rem;
}

/* ── FOOTER ── */
footer {
    border-top: 1px solid var(--border);
    padding: 2.5rem 0;
    font-size: 0.85rem;
    color: var(--muted);
}
footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}
footer a {
    color: var(--muted);
}
footer a:hover {
    color: var(--text);
}

@media (max-width: 640px) {
    nav {
        padding: 0 1rem;
    }
    .nav-links {
        gap: 1rem;
        font-size: 0.82rem;
    }
}