/* ============================================================
   Modern CSS — oklch() + light-dark() + CSS Grid + Container Q
   Kein Build-Step. Funktioniert in Chrome 111+, Firefox 120+,
   Safari 16.4+ (alles 2023+).
   ============================================================ */

/* ---- Reset & Base ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
}

html {
  color-scheme: light dark;
  scroll-behavior: smooth;
}

body {
  --bg:     light-dark(oklch(0.98 0 0), oklch(0.15 0.005 260));
  --text:   light-dark(oklch(0.25 0 0), oklch(0.88 0.005 260));
  --muted:  light-dark(oklch(0.50 0 0), oklch(0.55 0.005 260));
  --border: light-dark(oklch(0.85 0 0), oklch(0.28 0.005 260));
  --card:   light-dark(oklch(1 0 0), oklch(0.20 0.008 260));
  --card-h: light-dark(oklch(0.96 0 0), oklch(0.25 0.015 260));
  --accent: light-dark(oklch(0.52 0.23 260), oklch(0.70 0.22 260));
  --code-bg:light-dark(oklch(0.94 0.01 260), oklch(0.22 0.015 260));
  --radius: 8px;

  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  text-wrap: pretty;
  color: var(--text);
  background: var(--bg);
  min-height: 100dvh;

  /* Grid-Layout: header – main – footer */
  display: grid;
  grid-template-rows: auto 1fr auto;
  grid-template-columns: 1fr min(800px, 95%) 1fr;

  > * {
    grid-column: 2;
  }
}

/* ---- Header ---- */
header {
  padding: 1.5rem 0;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;

  .logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;

    &:hover { text-decoration: underline; }
  }

  nav a {
    color: var(--muted);
    font-size: 0.9rem;
    text-decoration: none;

    &:hover { color: var(--text); }
  }
}

/* ---- Footer ---- */
footer {
  margin-top: 3rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);

  a { color: var(--accent); }
}

/* ---- Headings ---- */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  color: var(--text);
  text-wrap: balance;
}

h1 { font-size: 2rem; margin-bottom: 0.5rem; }
h2 { font-size: 1.5rem; margin: 2rem 0 0.5rem; }
h3 { font-size: 1.2rem; margin: 1.5rem 0 0.4rem; }

.subtitle {
  color: var(--muted);
  margin-bottom: 2rem;
}

/* ---- Links ---- */
a {
  color: var(--accent);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;

  &:hover { text-decoration-thickness: 2px; }
}

/* ---- Content ---- */
.content {
  p, ul, ol, blockquote {
    margin-bottom: 1rem;
  }

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

  li { margin-bottom: 0.25rem; }

  blockquote {
    border-left: 3px solid var(--accent);
    padding: 0.5rem 1rem;
    color: var(--muted);
    background: var(--card);
    border-radius: 0 var(--radius) var(--radius) 0;

    p:last-child { margin-bottom: 0; }
  }

  img { max-width: 100%; height: auto; border-radius: var(--radius); }

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

  /* Inline code */
  :not(pre) > code {
    background: var(--code-bg);
    padding: 0.15em 0.4em;
    border-radius: 4px;
    font-size: 0.9em;
  }

  /* Code blocks */
  pre {
    background: var(--code-bg);
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    overflow-x: auto;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border);

    code { font-size: 0.85rem; background: none; padding: 0; }
  }

  /* Tables */
  table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;

    th, td {
      padding: 0.5rem 0.75rem;
      border: 1px solid var(--border);
      text-align: left;
    }

    th {
      background: var(--card);
      font-weight: 600;
    }

    tr:nth-child(even) { background: var(--card); }
  }
}

/* ---- Article Header ---- */
.article-header {
  margin-bottom: 1.5rem;

  h1 { margin-bottom: 0.25rem; }

  time {
    color: var(--muted);
    font-size: 0.9rem;
  }
}

/* ---- TOC ---- */
details.toc {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  margin-bottom: 2rem;
  font-size: 0.9rem;

  summary {
    cursor: pointer;
    font-weight: 600;
    user-select: none;
  }

  /* Ul im TOC */
  nav#TableOfContents > ul {
    padding-left: 1rem;
    margin-top: 0.5rem;
  }

  ul {
    list-style: none;
    padding-left: 1.25rem;

    li { margin-bottom: 0.3rem; }
  }

  a { text-decoration: none; }
}

/* ---- Cards (List Page) ---- */
.post-grid {
  container-type: inline-size;
  display: grid;
  gap: 1.5rem;
}

article.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  transition: background 0.15s, border-color 0.15s;

  &:hover {
    background: var(--card-h);
    border-color: var(--accent);
  }

  time {
    color: var(--muted);
    font-size: 0.8rem;
  }

  h2 {
    font-size: 1.15rem;
    margin-top: 0.25rem;

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

      &:hover { color: var(--accent); }
    }
  }

  p {
    color: var(--muted);
    font-size: 0.9rem;
    margin-top: 0.5rem;
  }
}

/* ---- Tags ---- */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.tag {
  background: var(--code-bg);
  color: var(--muted);
  font-size: 0.75rem;
  padding: 0.15em 0.6em;
  border-radius: 4px;
}

/* ---- Chroma Code Highlighting — Catppuccin Mocha ---- */
/* Light */
:root {
  --chroma-bg: oklch(0.22 0.015 260);
  --chroma-k: #cba6f7;
  --chroma-s: #a6e3a1;
  --chroma-c: #6c7086;
  --chroma-n: #cdd6f4;
  --chroma-o: #89b4fa;
  --chroma-m: #f38ba8;
}
/* Dark (same in dark — Mocha is already dark) */
@media (prefers-color-scheme: light) {
  :root {
    --chroma-bg: oklch(0.94 0.01 260);
    --chroma-k: #8839ef;
    --chroma-s: #40a02b;
    --chroma-c: #9ca0b0;
    --chroma-n: #4c4f69;
    --chroma-o: #1e66f5;
    --chroma-m: #d20f39;
  }
}

pre.chroma { background: var(--chroma-bg); }

pre .k, pre .kd, pre .kn { color: var(--chroma-k); }       /* keywords */
pre .s, pre .s1, pre .s2 { color: var(--chroma-s); }       /* strings */
pre .c, pre .c1, pre .cm { color: var(--chroma-c); font-style: italic; } /* comments */
pre .n, pre .na, pre .nt { color: var(--chroma-n); }       /* names */
pre .o, pre .p { color: var(--chroma-o); }                 /* operators */
pre .m, pre .mi { color: var(--chroma-m); }                /* numbers */

/* ---- Responsive ---- */
@media (max-width: 840px) {
  body {
    grid-template-columns: 1fr;
    padding: 0 1rem;

    > * { grid-column: 1; }
  }
}