:root {
    --bg: #0d1117;
    --text: #c9d1d9;
    --dim: #8b949e;
    --card: #161b22;
    --border: #30363d;
    --link: #58a6ff;
    --heading: #f0f6fc;
}

* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
                 Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    max-width: 700px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

h1, h2, h3 {
    color: var(--heading);
    font-weight: 600;
}

h1 {
    font-size: 2rem;
    margin-bottom: 0.35rem;
}

h2 {
    font-size: 1.25rem;
    margin-top: 2rem;
}

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

a:hover {
    text-decoration: underline;
}

.subtitle {
    color: var(--dim);
    font-size: 1.05rem;
    margin-top: 0;
}

nav {
    margin: 1.25rem 0 0.5rem;
    font-size: 0.95rem;
}

.site-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem 0.85rem;
    align-items: center;
    margin: 0 0 1.5rem;
    font-size: 0.9rem;
    color: var(--dim);
    line-height: 1.5;
}

.site-links a {
    color: var(--link);
}

.site-links a.active {
    color: var(--heading);
}

nav a {
    color: var(--dim);
    margin-right: 1rem;
    font-weight: 500;
}

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

.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin: 1.25rem 0;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin: 1.25rem 0;
}

@media (max-width: 700px) {
    .project-grid,
    .grid {
        grid-template-columns: 1fr;
    }
}

.card,
.project-card {
    border: 2px solid #8ea1ad;
    outline: 2px solid rgba(142, 161, 173, 0.35);
    outline-offset: -2px;
    background: #1a212b;
    padding: 1rem;
    border-radius: 6px;
}

.card h3,
.project-card h3 {
    margin: 0 0 0.5rem;
    font-size: 1.05rem;
}

.card p,
.project-card p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--dim);
}

.project-card {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    border: 2px solid #8ea1ad !important;
    background: #1a212b;
    outline: 2px solid rgba(142, 161, 173, 0.35);
    outline-offset: -2px;
    box-shadow: 0 0 0 1px rgba(120, 134, 148, 0.8);
}

.project-summary {
    color: var(--text);
    line-height: 1.55;
}

.project-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 0.15rem;
}

.project-links a {
    font-weight: 600;
    font-size: 0.82rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-top: 0.1rem;
}

.project-tags span {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: rgba(88, 166, 255, 0.08);
    color: var(--heading);
    font-size: 0.72rem;
    line-height: 1.4;
}

.list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

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

.list .meta {
    display: block;
    font-size: 0.85rem;
    color: var(--dim);
    margin-top: 0.15rem;
}

.badge {
    background: #21262d;
    border: 1px solid var(--border);
    padding: 0.15rem 0.45rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

footer {
    margin-top: 3rem;
    border-top: 1px solid var(--border);
    padding-top: 1rem;
    font-size: 0.8rem;
    color: var(--dim);
    text-align: center;
}

/* Markdown-style pages (API docs / Releases) */
.markdown-body {
    max-width: 980px;
    margin: 0 auto;
    padding: 2rem 1rem 0;
    line-height: 1.7;
}

.markdown-body > h1:first-child {
    margin-top: 0;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
    color: var(--heading);
    line-height: 1.3;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.markdown-body h1 {
    font-size: 2rem;
}

.markdown-body h2 {
    font-size: 1.35rem;
}

.markdown-body p,
.markdown-body li,
.markdown-body dd,
.markdown-body dt {
    color: var(--text);
}

.markdown-body a {
    color: var(--link);
}

.markdown-body nav a {
    color: var(--dim);
    margin-right: 1rem;
    font-weight: 500;
}

.markdown-body nav a:hover,
.markdown-body nav a.active {
    color: var(--heading);
}

.markdown-body ul,
.markdown-body ol {
    padding-left: 1.5rem;
}

.markdown-body code,
.markdown-body pre {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.markdown-body pre {
    background: #161b22;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    overflow-x: auto;
    margin: 1rem 0;
}

.markdown-body code {
    background: rgba(88, 166, 255, 0.08);
    border-radius: 4px;
    padding: 0.15rem 0.35rem;
    font-size: 0.92em;
}

.markdown-body pre code {
    background: transparent;
    padding: 0;
    border-radius: 0;
}

/* Rouge/GitHub-style syntax highlighting for generated docs */
.highlight {
    background: #161b22;
    border-radius: 8px;
    overflow-x: auto;
}

.highlight pre {
    margin: 0;
    background: transparent;
    border: 0;
    padding: 1rem;
}

.highlight .hll { background-color: rgba(110, 118, 129, 0.35); }
.highlight .c,
.highlight .c1,
.highlight .cm,
.highlight .cp,
.highlight .cs { color: #8b949e; font-style: italic; }
.highlight .err { color: #f85149; }
.highlight .k,
.highlight .kd,
.highlight .kn,
.highlight .kp,
.highlight .kr,
.highlight .kt { color: #ff7b72; }
.highlight .n,
.highlight .na,
.highlight .nb,
.highlight .nc,
.highlight .nf,
.highlight .nn,
.highlight .no,
.highlight .nt,
.highlight .nx,
.highlight .o,
.highlight .ow { color: #d0d7de; }
.highlight .m,
.highlight .mf,
.highlight .mh,
.highlight .mi,
.highlight .il,
.highlight .mo { color: #79c0ff; }
.highlight .s,
.highlight .s1,
.highlight .s2,
.highlight .sa,
.highlight .sb,
.highlight .sc,
.highlight .dl,
.highlight .sd,
.highlight .se,
.highlight .sh,
.highlight .si { color: #a5d6ff; }
.highlight .p { color: #d0d7de; }
.highlight .w { color: #c9d1d9; }
.highlight .nv,
.highlight .vc,
.highlight .vg,
.highlight .vi { color: #ffa657; }
.highlight .gd { color: #ff7b72; background-color: rgba(248, 81, 73, 0.15); }
.highlight .gi { color: #7ee787; background-color: rgba(46, 160, 67, 0.15); }

.markdown-body blockquote {
    margin: 1rem 0;
    padding: 0.5rem 1rem;
    border-left: 4px solid var(--border);
    color: var(--dim);
}

.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.25rem 0;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 8px;
}

.markdown-body th,
.markdown-body td {
    border: 1px solid var(--border);
    padding: 0.7rem 0.8rem;
    text-align: left;
    vertical-align: top;
}

.markdown-body th {
    background: rgba(88, 166, 255, 0.08);
    color: var(--heading);
}

.markdown-body hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 2rem 0;
}

.markdown-body .footer,
.container-lg .footer {
    margin-top: 3rem;
    border-top: 1px solid var(--border);
    padding-top: 1rem;
    font-size: 0.85rem;
    color: var(--dim);
    text-align: right;
}

.container-lg {
    max-width: 980px;
    margin: 0 auto;
}

.px-3 {
    padding-left: 1rem;
    padding-right: 1rem;
}

.my-5 {
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.border-top {
    border-top: 1px solid var(--border);
}

.pt-3 {
    padding-top: 1rem;
}

.text-right {
    text-align: right;
}

.text-gray {
    color: var(--dim);
}

/* Article pages */
.site-header {
    margin-bottom: 2rem;
}

.post {
    max-width: 700px;
}

.post h1 {
    margin-top: 0;
}

.post h2 {
    margin-top: 2rem;
}

.post h3 {
    margin-top: 1.5rem;
    font-size: 1rem;
}

.post .meta,
.meta {
    color: var(--dim);
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
}

.post ul {
    padding-left: 1.25rem;
}

.post li + li {
    margin-top: 0.35rem;
}

.post pre {
    background: #161b22;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow-x: auto;
    padding: 1rem;
    color: #d0d7de;
}

.post pre code {
    display: block;
    background: transparent;
    color: inherit;
    padding: 0;
    border-radius: 0;
    font-size: 0.92em;
    white-space: pre;
}

.post code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 0.9em;
    background: rgba(88, 166, 255, 0.08);
    border-radius: 4px;
    padding: 0.15rem 0.35rem;
}

.equation {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--heading);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    overflow-x: auto;
    padding: 0.75rem 0.9rem;
}

.post-list {
    display: grid;
    gap: 1rem;
}

.post-card {
    border: 1px solid var(--border);
    background: var(--card);
    border-radius: 6px;
    padding: 1rem;
}

.post-card h2 {
    font-size: 1.1rem;
    margin: 0 0 0.35rem;
}

.post-card p:last-child {
    margin-bottom: 0;
}

footer {
    border-top: 1px solid var(--border);
    color: var(--dim);
    font-size: 0.9rem;
    margin-top: 3rem;
    padding-top: 1rem;
}