/* Tessolari blog — minimal stylesheet that echoes the main site
   palette without depending on its component library. */

:root {
  --bg: #e8e5dc;
  --bg-alt: #dcd8ce;
  --text: #1a1a2e;
  --text-muted: #4a4a5a;
  --primary: #1a6db5;
  --primary-hover: #0e5a96;
  --border: #c5c0b3;
  --max-width: 50rem;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;
  --radius-sm: 4px;
}

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

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; padding-block: var(--space-2xl); }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

a { color: var(--primary); text-underline-offset: 0.15em; }
a:hover, a:focus-visible { color: var(--primary-hover); }
a:focus-visible { outline: 3px solid var(--primary); outline-offset: 3px; border-radius: var(--radius-sm); }

h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; color: var(--text); }
h1 { font-size: 2.25rem; margin-block-end: var(--space-md); }
h2 { font-size: 1.5rem; margin-block-end: var(--space-sm); }
h3 { font-size: 1.25rem; margin-block-end: var(--space-sm); }

p, ul, ol { margin-block-end: var(--space-md); }
ul, ol { padding-inline-start: var(--space-lg); }
li { margin-block-end: var(--space-xs); }

.skip-link {
  position: absolute;
  inset-inline-start: -9999px;
  background: var(--text);
  color: var(--bg);
  padding: var(--space-sm) var(--space-md);
}
.skip-link:focus { inset-inline-start: var(--space-md); top: var(--space-md); z-index: 100; }

.site-header {
  background: var(--bg-alt);
  border-block-end: 1px solid var(--border);
  padding-block: var(--space-md);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}
.site-header__name {
  font-weight: 700;
  text-decoration: none;
  font-size: 1.25rem;
  color: var(--text);
}
.site-header nav a { margin-inline-start: var(--space-md); color: var(--text-muted); }

.site-footer {
  background: var(--bg-alt);
  border-block-start: 1px solid var(--border);
  padding-block: var(--space-lg);
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-block-start: var(--space-2xl);
}
.site-footer p { margin: 0; }

.page-header { margin-block-end: var(--space-xl); }
.page-header .lead { color: var(--text-muted); font-size: 1.125rem; }

.post-list { list-style: none; padding: 0; }
.post-list__item { padding-block: var(--space-lg); border-block-end: 1px solid var(--border); }
.post-list__item:first-child { padding-block-start: 0; }
.post-list__meta { color: var(--text-muted); font-size: 0.95rem; margin-block-end: var(--space-sm); }

.post__meta { color: var(--text-muted); font-size: 0.95rem; margin-block-end: var(--space-sm); }
.post__body p, .post__body ul, .post__body ol { margin-block-end: var(--space-md); }
.post__body h2 { margin-block-start: var(--space-xl); }
.post__body h3 { margin-block-start: var(--space-lg); }

.post__footer {
  margin-block-start: var(--space-2xl);
  padding-block-start: var(--space-lg);
  border-block-start: 1px solid var(--border);
  color: var(--text-muted);
}
.post__footer p { margin-block-end: var(--space-xs); }

/* Accordions — match the look of the main site, but standalone. */
.content-accordion {
  border-block-end: 1px solid var(--border);
}
.content-accordion[open] { padding-block-end: var(--space-md); }
.content-accordion__summary {
  list-style: none;
  cursor: pointer;
  padding-block: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  user-select: none;
}
.content-accordion__summary::-webkit-details-marker { display: none; }
.content-accordion__summary > h2 { margin: 0; font-size: 1.25rem; }
.content-accordion__summary::after {
  content: "";
  display: inline-block;
  width: 0.6em;
  height: 0.6em;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  margin-block-start: -0.2em;
  flex-shrink: 0;
}
.content-accordion[open] > .content-accordion__summary::after { transform: rotate(-135deg); margin-block-start: 0.15em; }
.content-accordion__panel { padding-block-start: var(--space-xs); }
.content-accordion__panel > :first-child { margin-block-start: 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1a2e;
    --bg-alt: #232337;
    --text: #e8e5dc;
    --text-muted: #b0acaa;
    --border: #333348;
    --primary: #6aaeed;
    --primary-hover: #94c5f2;
  }
}