/* ============================================================
   Endless Rambles — style.css
   Edit this file to customise the look of the site.
   Variables at the top control colours and type.
   ============================================================ */

/* --- Tokens --- */
/* Light mode (default) */
:root {
  --color-bg:           #ffffff;
  --color-text:         #222222;
  --color-muted:        #888888;
  --color-link:         #0055cc;
  --color-link-visited: #6600aa;
  --color-border:       #dddddd;
  --color-code-bg:      #f5f5f5;

  --font-body:      Georgia, 'Times New Roman', serif;
  --font-mono:      'Courier New', Courier, monospace;

  --size-base:      1.125rem;   /* body font size */
  --size-line:      1.7;        /* line height */
  --size-measure:   65ch;       /* max line length */
  --size-gap:       1.5rem;     /* standard spacing unit */
}

/* Dark mode — auto-switches when device/browser is set to dark */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg:           #1a1a1a;
    --color-text:         #dddddd;
    --color-muted:        #888888;
    --color-link:         #6699ff;
    --color-link-visited: #cc88ff;
    --color-border:       #333333;
    --color-code-bg:      #242424;
  }
}

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

body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--size-base);
  line-height: var(--size-line);
}

img, video { max-width: 100%; height: auto; display: block; }

/* --- Layout --- */
header, main, footer {
  width: 100%;
  max-width: var(--size-measure);
  margin: 0 auto;
  padding: 0 var(--size-gap);
}

header {
  padding-top: var(--size-gap);
  padding-bottom: var(--size-gap);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: calc(var(--size-gap) * 2);
}

footer {
  margin-top: calc(var(--size-gap) * 3);
  padding-top: var(--size-gap);
  padding-bottom: var(--size-gap);
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 0.875rem;
}

/* --- Navigation --- */
nav {
  display: flex;
  align-items: baseline;
  gap: var(--size-gap);
  flex-wrap: wrap;
}

nav .site-name {
  font-weight: bold;
  text-decoration: none;
  color: var(--color-text);
  margin-right: auto;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: var(--size-gap);
}

nav ul li { margin: 0; }

/* --- Links --- */
a { color: var(--color-link); }
a:visited { color: var(--color-link-visited); }
a:hover { text-decoration: none; }

/* --- Typography --- */
h1, h2, h3, h4 {
  line-height: 1.2;
  margin-top: calc(var(--size-gap) * 2);
  margin-bottom: 0.5rem;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.375rem; }
h3 { font-size: 1.125rem; }

p { margin: 0 0 var(--size-gap); }

blockquote {
  margin: var(--size-gap) 0;
  padding-left: var(--size-gap);
  border-left: 3px solid var(--color-border);
  color: var(--color-muted);
  font-style: italic;
}

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--color-code-bg);
  padding: 0.1em 0.3em;
  border-radius: 3px;
}

pre {
  background: var(--color-code-bg);
  padding: var(--size-gap);
  overflow-x: auto;
  border-radius: 4px;
  margin: 0 0 var(--size-gap);
}

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

hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: calc(var(--size-gap) * 2) 0;
}

/* --- Post list (homepage) --- */
.post-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.post-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--color-border);
}

.post-list li:first-child { border-top: 1px solid var(--color-border); }

.post-list a { text-decoration: none; }
.post-list a:hover { text-decoration: underline; }

.post-list time {
  color: var(--color-muted);
  font-size: 0.875rem;
  white-space: nowrap;
  flex-shrink: 0;
}

/* --- Post page --- */
.post-header {
  margin-bottom: calc(var(--size-gap) * 1.5);
}

.post-header h1 { margin-top: 0; }

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

.post-body { max-width: var(--size-measure); }