:root {
  --black:      #000000;
  --white:      #ffffff;
  --off-white:  #f5f5f5;
  --grey-100:   #e8e8e8;
  --grey-200:   #d0d0d0;
  --grey-400:   #888888;
  --grey-600:   #555555;
  --grey-800:   #222222;
  --grey-900:   #111111;
  --ai-yellow:  #f0c800;
  --ai-yellow-soft: #fff7c2;
  --f-serif:    'Instrument Serif', Georgia, serif;
  --f-sans:     'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --f-mono:     'Space Mono', ui-monospace, monospace;
  --ease:       cubic-bezier(0.16, 1, 0.3, 1);
}
:root, [data-theme="light"] {
  --bg:           var(--off-white);
  --card:         var(--white);
  --card-2:       #ececec;
  --text:         var(--black);
  --text-2:       var(--grey-800);
  --subtext:      var(--grey-400);
  --dim:          var(--grey-600);
  --border:       var(--grey-100);
  --border-strong: var(--grey-200);
  --input-bg:     var(--white);
  --input-border: var(--grey-200);
  --pill-bg:      var(--grey-100);
  --pill-text:    var(--grey-800);
}
[data-theme="dark"] {
  --bg:           var(--black);
  --card:         var(--grey-900);
  --card-2:       #1a1a1a;
  --text:         var(--white);
  --text-2:       var(--grey-200);
  /* Mörkt läge: --subtext och --dim höjda för läsbarhet (WCAG AA mot svart) */
  --subtext:      #b0b0b0;
  --dim:          #999999;
  --border:       var(--grey-800);
  --border-strong: #3a3a3a;
  --input-bg:     #0d0d0d;
  --input-border: #2a2a2a;
  --pill-bg:      var(--grey-800);
  --pill-text:    var(--grey-200);
  --ai-yellow-soft: #2a2308;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
html, body {
  min-height: 100%;
  background: var(--bg); color: var(--text);
  font-family: var(--f-sans);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  transition: background .3s var(--ease), color .3s var(--ease);
}
body {
  display: flex; flex-direction: column;
  position: relative; overflow-x: hidden;
}
body::after {
  content: '';
  position: fixed; inset: 0; z-index: 9998;
  pointer-events: none; opacity: .03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 128px 128px;
}
::selection { background: var(--text); color: var(--bg); }
a { color: var(--text); }

.page-header {
  padding: 28px 32px 24px;
  border-bottom: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 10px;
}
.page-header h1 {
  font-family: var(--f-serif);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 400; letter-spacing: -0.02em; line-height: 1;
}
.page-header .lede {
  font-family: var(--f-serif);
  font-style: italic;
  font-size: clamp(16px, 1.6vw, 18px);
  color: var(--text-2);
  max-width: 720px;
}
.page-header .meta {
  font-family: var(--f-mono);
  font-size: 11px; letter-spacing: 0.04em;
  color: var(--dim);
  display: flex; gap: 14px; align-items: center; flex-wrap: wrap;
}
.page-header .meta a {
  color: var(--dim); text-decoration: none;
  border-bottom: 1px solid transparent; padding-bottom: 1px;
  transition: color .15s var(--ease), border-color .15s var(--ease);
}
.page-header .meta a:hover { color: var(--text); border-color: var(--text); }
.page-header .meta .sep { opacity: .5; }
.page-header .meta .spacer { flex: 1; }

button.theme-btn {
  background: transparent; color: var(--text);
  border: 1px solid var(--text); border-radius: 0;
  padding: 8px 14px; cursor: pointer;
  font-family: var(--f-sans); font-size: 11px;
  font-weight: 500; letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background .2s var(--ease), color .2s var(--ease);
}
button.theme-btn:hover { background: var(--text); color: var(--bg); }

main.content {
  padding: 32px;
  max-width: 880px; width: 100%;
  margin: 0 auto;
  flex: 1;
}
@media (max-width: 720px) {
  .page-header { padding: 20px 16px; }
  main.content { padding: 24px 16px; }
}
main.content h2 {
  font-family: var(--f-serif);
  font-size: 32px; font-weight: 400;
  letter-spacing: -0.01em;
  margin-top: 32px; margin-bottom: 12px;
}
main.content h3 {
  font-family: var(--f-mono);
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
  margin-top: 24px; margin-bottom: 8px;
}
main.content p {
  font-size: 15px; line-height: 1.65;
  color: var(--text-2);
  margin-bottom: 14px;
}
main.content ul, main.content ol {
  margin: 0 0 18px 20px;
  font-size: 15px; line-height: 1.7;
  color: var(--text-2);
}
main.content li { margin-bottom: 4px; }

.entry {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}
.entry .date {
  font-family: var(--f-mono);
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 6px;
}
.entry .title {
  font-family: var(--f-serif);
  font-size: 24px; font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.entry ul { margin-top: 6px; }

.tag {
  display: inline-block;
  padding: 3px 8px;
  font-family: var(--f-mono);
  font-size: 9.5px; font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: var(--text); color: var(--bg);
  margin-right: 6px;
}
.tag.tag-ai { background: var(--ai-yellow); color: #000; }
.tag.tag-new { background: transparent; color: var(--text); border: 1px solid var(--text); }

footer.page-footer {
  border-top: 1px solid var(--border);
  padding: 22px 32px;
  font-family: var(--f-mono);
  font-size: 10.5px;
  color: var(--dim);
  line-height: 1.6;
  letter-spacing: 0.02em;
  text-align: center;
}
footer.page-footer a {
  color: var(--text);
  border-bottom: 1px solid var(--text);
  text-decoration: none;
  padding-bottom: 1px;
}

/* Burger-meny för mobil. Burger ligger fixed i body — om den ligger i en
   header med z-index skapas en stacking context som trappar den under menyn. */
.burger {
  display: none;
  width: 40px; height: 40px;
  background: var(--bg);
  border: 1px solid var(--text);
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  position: relative;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.burger span {
  position: absolute;
  left: 9px; right: 9px;
  height: 2px;
  background: var(--text);
  transition: transform .15s var(--ease), opacity .15s var(--ease), top .15s var(--ease);
}
.burger span:nth-child(1) { top: 12px; }
.burger span:nth-child(2) { top: 19px; }
.burger span:nth-child(3) { top: 26px; }
.burger.active span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { top: 19px; transform: rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 800;
  overflow-y: auto;
  padding: 80px 24px 32px;
}
.mobile-menu.open { display: block; }
.mobile-menu-list {
  display: flex; flex-direction: column;
  gap: 0;
  max-width: 480px; margin: 0 auto;
}
.mobile-menu-list a, .mobile-theme-btn {
  display: block;
  padding: 18px 12px;
  border-bottom: 1px solid var(--border);
  font-family: var(--f-serif);
  font-size: 22px;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--text);
  text-align: left;
  background: transparent;
  border-left: none; border-right: none; border-top: none;
  cursor: pointer;
  width: 100%;
  font-weight: 400;
  -webkit-tap-highlight-color: transparent;
}
.mobile-menu-list a:hover, .mobile-theme-btn:hover { background: var(--card-2); }

@media (max-width: 720px) {
  .burger {
    display: inline-block;
    position: fixed;
    top: 12px; right: 16px;
    z-index: 900;
    /* Fixed + z-index säkerställer att burgern ligger ovanpå mobile-menu (z-index 800). */
  }
  [data-mobile-hide] { display: none !important; }
  .page-header .meta .spacer { display: none; }
}