/*
 * OpenBSD Theme for BSSG
 * Puffy-inspired yellow/black visual language with bold outlines.
 */

:root {
    --obsd-yellow: #d7c06f;
    --obsd-yellow-deep: #b79a4a;
    --obsd-black: #121212;
    --obsd-ink: #212121;
    --obsd-paper: #f8f4e7;
    --obsd-paper-2: #efe6c9;
    --text: #1f2326;
    --muted: #5f6468;
    --border: #2a2a2a;
    --link: #0d4f9e;
    --link-hover: #08396f;
    --tag-bg: #e9ddb5;
    --tag-text: #2b2b2b;
    --quote-bg: #f1e8cb;
    --code-bg: #ece1bd;
    --radius: 9px;
    --shadow: 0 14px 30px rgba(0, 0, 0, 0.22);
    --content-width: 900px;
    --font-body: "Verdana", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    --font-heading: "Trebuchet MS", "Verdana", "Segoe UI", sans-serif;
    --font-mono: "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
}

@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;
    }
}

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

html {
    font-size: 17px;
}

body {
    margin: 0;
    color: var(--text);
    font-family: var(--font-body);
    line-height: 1.7;
    background:
        radial-gradient(circle at 2px 2px, rgba(18, 18, 18, 0.12) 1px, transparent 1px),
        linear-gradient(180deg, #eee5c8 0%, var(--obsd-yellow) 52%, #c5af66 100%);
    background-size: 12px 12px, 100% 100%;
}

::selection {
    background: #101010;
    color: #f5edc9;
}

.container {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 1rem 2.5rem;
    background: linear-gradient(180deg, #fbf8ef 0%, var(--obsd-paper) 100%);
    border-left: 3px solid var(--obsd-black);
    border-right: 3px solid var(--obsd-black);
    box-shadow: var(--shadow);
    min-height: 100vh;
}

header {
    margin: 0 -1rem 1.8rem;
    padding: 1rem 1rem 0.92rem;
    background:
        repeating-linear-gradient(
            -45deg,
            #2c2c2c 0 8px,
            #202020 8px 16px
        );
    color: #fff5ce;
    border-top: 8px solid #000;
    border-bottom: 4px solid #000;
    position: relative;
    overflow: hidden;
}

header::before {
    content: "OpenBSD: Secure By Default";
    position: absolute;
    right: 12px;
    top: 12px;
    background: linear-gradient(180deg, #e9d896 0%, #c8ad5f 100%);
    color: #141414;
    border: 2px solid #000;
    border-radius: 6px;
    padding: 0.16rem 0.54rem;
    font-family: var(--font-mono);
    font-size: 0.58rem;
    font-weight: 700;
    text-transform: none;
    letter-spacing: 0.01em;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.28);
}

header::after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, #e7d189, transparent);
}

.site-title,
header h1 {
    margin: 0;
    color: #f2e4b8;
    font-family: var(--font-heading);
    font-size: clamp(1.9rem, 3.7vw, 2.6rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    line-height: 1.2;
    text-shadow:
        -1px -1px 0 #000,
        1px -1px 0 #000,
        -1px 1px 0 #000,
        1px 1px 0 #000;
}

.site-title a {
    color: inherit;
    text-decoration: none;
}

.site-title a:hover,
.site-title a:focus {
    color: #fff;
}

header p {
    margin: 0.4rem 0 0;
    color: #e4d093;
    font-family: var(--font-mono);
    font-size: 0.73rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

nav {
    margin-top: 0.88rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.44rem;
}

nav a {
    display: inline-block;
    color: #1a1a1a;
    background: linear-gradient(180deg, #e8d790 0%, #bfa357 100%);
    border: 2px solid #000;
    border-radius: 999px;
    padding: 0.2rem 0.58rem;
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 700;
}

nav a:hover,
nav a:focus {
    background: linear-gradient(180deg, #f2e5ba 0%, #cbb06a 100%);
    transform: translateY(-1px);
}

main {
    min-height: 62vh;
}

article {
    margin-bottom: 1.35rem;
}

article.post,
article.page,
.posts-list article {
    background: var(--obsd-paper);
    border: 2px solid var(--obsd-black);
    border-radius: var(--radius);
    box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.22);
    padding: 1.06rem 0.95rem 0.9rem;
    position: relative;
}

article.post::before,
article.page::before,
.posts-list article::before {
    content: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: #111;
    font-family: var(--font-heading);
    margin: 1rem 0 0.64rem;
    line-height: 1.3;
}

h1 { font-size: clamp(1.7rem, 3vw, 2.22rem); }
h2 { font-size: clamp(1.36rem, 2.4vw, 1.76rem); }
h3 { font-size: clamp(1.12rem, 1.9vw, 1.34rem); }

p,
ul,
ol {
    margin-top: 0;
    margin-bottom: 0.9rem;
}

a {
    color: var(--link);
    text-decoration-thickness: 1px;
    text-underline-offset: 0.13em;
}

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

.page-meta {
    margin-bottom: 0.72rem;
}

.meta {
    margin: 0;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.reading-time {
    margin-top: 0.22rem;
}

.summary {
    margin-top: 0.68rem;
    color: #434a50;
}

.post-content {
    margin-top: 0.62rem;
}

.featured-image,
.index-image,
.tag-image,
.archive-image,
.author-image {
    margin: 0.9rem 0;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border: 2px solid #111;
    border-radius: 6px;
}

.image-caption,
figcaption {
    margin-top: 0.32rem;
    color: #5f676e;
    font-size: 0.77rem;
    font-style: italic;
}

blockquote {
    margin: 0.95rem 0;
    padding: 0.65rem 0.8rem;
    border-left: 5px solid #111;
    background: var(--quote-bg);
    color: #2e3438;
}

pre,
code {
    font-family: var(--font-mono);
    font-size: 0.83rem;
}

code {
    background: var(--code-bg);
    border: 1px solid #b89d55;
    border-radius: 3px;
    padding: 0.08rem 0.24rem;
}

pre {
    background: var(--code-bg);
    border: 2px solid #111;
    border-radius: 6px;
    padding: 0.75rem;
    overflow-x: auto;
}

pre code {
    background: none;
    border: 0;
    padding: 0;
}

hr {
    border: 0;
    border-top: 2px dashed #3b3b3b;
    margin: 1.08rem 0;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.34rem;
    margin-top: 0.82rem;
}

.tags a,
.tags-list a {
    display: inline-block;
    text-decoration: none;
    color: var(--tag-text);
    background: var(--tag-bg);
    border: 2px solid #111;
    border-radius: 999px;
    padding: 0.16rem 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 700;
}

.tags a:hover,
.tags a:focus,
.tags-list a:hover,
.tags-list a:focus {
    background: #e4d091;
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.tag-count {
    color: #3f3f3f;
}

.posts-list article + article {
    margin-top: 0.78rem;
}

.posts-list h2,
.posts-list h3 {
    margin-top: 0;
}

.pagination {
    margin-top: 1.12rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.42rem;
}

.pagination a {
    display: inline-block;
    color: #131313;
    text-decoration: none;
    border: 2px solid #000;
    border-radius: 999px;
    padding: 0.2rem 0.56rem;
    background: linear-gradient(180deg, #e8d994 0%, #c2a85e 100%);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    font-weight: 700;
}

.pagination a:hover,
.pagination a:focus {
    background: linear-gradient(180deg, #f1e4bc 0%, #cfb471 100%);
}

.page-info {
    color: #52595f;
    font-family: var(--font-mono);
    font-size: 0.71rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.related-posts {
    margin-top: 1.2rem;
    padding-top: 0.74rem;
    border-top: 2px dashed #222;
}

.related-posts h3 {
    margin-top: 0;
    font-size: 1.02rem;
}

.related-posts-list {
    display: grid;
    gap: 0.56rem;
}

.related-post {
    border: 2px solid #111;
    border-left-width: 6px;
    border-radius: 6px;
    background: #f3ead1;
    padding: 0.5rem 0.62rem;
}

.related-post h4 {
    margin: 0 0 0.18rem;
    font-size: 0.93rem;
}

.related-post p {
    margin: 0;
    color: #474e53;
    font-size: 0.89rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 0.88rem 0;
}

th,
td {
    border: 2px solid #111;
    padding: 0.36rem 0.48rem;
}

th {
    background: #ddca88;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

footer {
    margin-top: 1.72rem;
    padding: 0.82rem 0 0.1rem;
    border-top: 3px solid #111;
    color: #4f565c;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
}

footer p {
    margin: 0.31rem 0;
}

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

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

@media (max-width: 840px) {
    .container {
        padding: 0 0.78rem 1.95rem;
    }

    header {
        margin: 0 -0.78rem 1.42rem;
        padding: 0.85rem 0.78rem 0.74rem;
    }

    header::before {
        right: 10px;
        top: 10px;
        padding: 0.12rem 0.42rem;
        font-size: 0.5rem;
        letter-spacing: 0;
    }

    nav {
        padding-right: 0;
    }

    article.post,
    article.page,
    .posts-list article {
        padding: 0.92rem 0.78rem 0.76rem;
    }

    nav a,
    .meta,
    .page-info,
    .pagination a {
        letter-spacing: 0.02em;
    }
}