/* eduardovra.github.io — theme: warm ink, one accent, light/dark */

:root {
  --bg: #f4f1ea;
  --ink: #16140f;
  --body: #33302a;
  --muted: #57534a;
  --faint: #8a8474;
  --line: #d8d2c4;
  --rule: #16140f;
  --rule-w: 2px;
  --accent: #d4491f;
  --code-bg: #ece7db;
  --code-fg: #33302a;
  --code-border: #ddd6c6;
  --inline-code-bg: #e9e4d8;
  --inline-code-fg: #16140f;
  --inline-code-border: transparent;
  --syn-kw: #d5390b;
  --syn-str: #3d8a10;
  --syn-fn: #b96e00;
  --syn-cls: #00917f;
  --syn-num: #8b2fd0;
  --syn-dec: #d23a7d;
  --syn-com: #948d7c;
  --syn-builtin: #0073c8;
  --display: 'Space Grotesk', system-ui, sans-serif;
  --text: 'Libre Franklin', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1d1a14;
    --ink: #ece8de;
    --body: #ded8ca;
    --muted: #b8b2a4;
    --faint: #7d7768;
    --line: #3a352a;
    --rule: #3a352a;
    --rule-w: 1px;
    --accent: #ff7a45;
    --code-bg: #26221a;
    --code-fg: #d8d2c4;
    --code-border: #443e30;
    --inline-code-bg: #26221a;
    --inline-code-fg: #d8d2c4;
    --inline-code-border: #443e30;
  }
}

:root[data-theme="dark"] {
  --bg: #1d1a14;
  --ink: #ece8de;
  --body: #ded8ca;
  --muted: #b8b2a4;
  --faint: #7d7768;
  --line: #3a352a;
  --rule: #3a352a;
  --rule-w: 1px;
  --accent: #ff7a45;
  --code-bg: #26221a;
  --code-fg: #d8d2c4;
  --code-border: #443e30;
  --inline-code-bg: #26221a;
  --inline-code-fg: #d8d2c4;
  --inline-code-border: #443e30;
  --syn-kw: #ff7a45;
  --syn-str: #a8d878;
  --syn-fn: #ffcb6b;
  --syn-cls: #7fd8c8;
  --syn-num: #d4a5ff;
  --syn-dec: #f291b0;
  --syn-com: #8a8272;
  --syn-builtin: #6fc3df;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--text);
  font-size: 18px;
  line-height: 1.75;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-main { flex: 1; }

a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--accent); }

/* Header */

.site-header { border-bottom: var(--rule-w) solid var(--rule); }

.site-header-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 22px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-brand {
  font-family: var(--display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.site-nav {
  display: flex;
  gap: 28px;
  align-items: center;
  font-size: 14px;
  font-weight: 500;
}

.site-nav .accent { color: var(--accent); }

.theme-toggle {
  display: flex;
  align-items: center;
  padding: 4px;
  border: none;
  background: none;
  color: var(--muted);
  cursor: pointer;
}

.theme-toggle:hover { color: var(--accent); }

.icon-sun { display: none; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .icon-moon { display: none; }
  :root:not([data-theme="light"]) .icon-sun { display: block; }
}

:root[data-theme="dark"] .icon-moon { display: none; }
:root[data-theme="dark"] .icon-sun { display: block; }

/* Main containers */

.site-main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  min-height: 60vh;
}

/* Home */

.hero {
  padding: 56px 0 48px 0;
  border-bottom: var(--rule-w) solid var(--rule);
}

.hero h1 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero p {
  margin: 18px 0 0 0;
  max-width: 560px;
  font-size: 17px;
  line-height: 1.6;
  color: var(--muted);
}

.post-list { display: flex; flex-direction: column; }

.post-row {
  display: flex;
  align-items: baseline;
  gap: 32px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.post-row-date {
  flex: 0 0 90px;
  font-family: var(--display);
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
}

.post-row-title {
  margin: 0;
  font-family: var(--display);
  font-size: 24px;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

/* Pagination */

.pagination {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 24px 0;
  font-family: var(--display);
  font-size: 15px;
  font-weight: 500;
}

.pagination .page-number { color: var(--faint); }

/* Post */

.post {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 0 64px 0;
}

.post-meta {
  display: flex;
  gap: 14px;
  align-items: baseline;
  font-family: var(--display);
  font-size: 14px;
  font-weight: 500;
}

.post-date { color: var(--accent); }
.post-read-time { color: var(--faint); }

.post-title {
  margin: 14px 0 0 0;
  font-family: var(--display);
  font-size: clamp(29px, 5vw, 42px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.post-tags {
  margin-top: 18px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.tag {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 4px 10px;
}

.tag:hover { color: var(--accent); border-color: var(--accent); }

/* Post content */

.post-content { margin-top: 36px; color: var(--body); font-size: 18px; }

.post-content p { margin: 0 0 24px 0; }

.post-content a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.post-content h2,
.post-content h3 {
  margin: 48px 0 18px 0;
  scroll-margin-top: 28px;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.25;
  color: var(--ink);
}

.post-content h2 { font-size: 30px; }
.post-content h3 { font-size: 26px; }
.post-content h4 { font-size: 20px; font-family: var(--display); color: var(--ink); }

.post-content img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 0 auto;
}

.post-content img { cursor: zoom-in; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(10, 9, 6, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  cursor: zoom-out;
}

.lightbox img {
  max-width: 100%;
  max-height: 100%;
  border-radius: 8px;
}


.post-content ul, .post-content ol { margin: 0 0 24px 0; padding-left: 26px; }
.post-content li { margin-bottom: 8px; }

.post-content blockquote {
  margin: 0 0 24px 0;
  padding: 4px 0 4px 20px;
  border-left: 3px solid var(--accent);
  color: var(--muted);
}

.post-content hr {
  margin: 40px 0;
  border: none;
  border-top: 1px solid var(--line);
}

/* Code */

.post-content code {
  font-family: var(--mono);
  font-size: 15px;
  background: var(--inline-code-bg);
  color: var(--inline-code-fg);
  border: 1px solid var(--inline-code-border);
  border-radius: 4px;
  padding: 2px 6px;
}

.post-content pre {
  margin: 0 0 24px 0;
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: 8px;
  padding: 22px 24px;
  overflow-x: auto;
  line-height: 1.7;
  scrollbar-width: thin;
  scrollbar-color: var(--faint) transparent;
}

.post-content pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--code-fg);
  font-size: 14.5px;
}

.post-content div.highlight { background: none; }

/* Syntax highlighting (Rouge) — colors follow the active theme */

.highlight .k, .highlight .kn, .highlight .kd, .highlight .kr,
.highlight .kp, .highlight .ow { color: var(--syn-kw); }
.highlight .s, .highlight .s1, .highlight .s2, .highlight .sb,
.highlight .sd, .highlight .sh, .highlight .si { color: var(--syn-str); }
.highlight .nd { color: var(--syn-dec); }
.highlight .nf, .highlight .fm { color: var(--syn-fn); }
.highlight .nc, .highlight .nn, .highlight .no { color: var(--syn-cls); }
.highlight .c, .highlight .c1, .highlight .cm { color: var(--syn-com); font-style: italic; }
.highlight .mi, .highlight .mf, .highlight .mh, .highlight .mb { color: var(--syn-num); }
.highlight .nb, .highlight .bp, .highlight .kc { color: var(--syn-builtin); }
.highlight .se { color: var(--syn-num); }
.highlight .err { color: inherit; background: none; }

/* Post footer navigation */

.post-footer {
  margin-top: 56px;
  padding-top: 28px;
  border-top: var(--rule-w) solid var(--rule);
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.post-nav-link { display: flex; flex-direction: column; gap: 4px; }
.post-nav-link.next { text-align: right; }

.post-nav-label {
  font-family: var(--display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--faint);
}

.post-nav-title {
  font-family: var(--display);
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
}

/* Table of contents (post pages, wide screens only) */

.post-toc { display: none; }

@media (min-width: 1360px) {
  .post-toc {
    display: block;
    position: fixed;
    top: 140px;
    left: calc(50% + 390px);
    width: 240px;
  }
}

.toc-title {
  font-family: var(--display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 12px;
}

.toc-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-left: 1px solid var(--line);
  padding-left: 16px;
}

.toc-link {
  font-family: var(--display);
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  line-height: 1.4;
}

.toc-link:hover, .toc-link.active { color: var(--accent); }

.toc-sub { padding-left: 12px; font-weight: 400; }

/* Comments */

.comment-area { margin-top: 48px; }

/* Tags page */

.tags-page {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 0 64px 0;
}

.page-heading {
  margin: 0 0 24px 0;
  font-family: var(--display);
  font-size: 42px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.tag-cloud {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.tag-cloud span { color: var(--faint); }

.tag-heading {
  margin: 44px 0 4px 0;
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 500;
  color: var(--accent);
}

.tags-page .post-row-title { font-size: 19px; }

/* Footer */

.site-footer { border-top: var(--rule-w) solid var(--rule); margin-top: 48px; }

.site-footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 22px 24px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 14px;
  font-weight: 500;
}

.footer-links { display: flex; gap: 24px; }

.footer-copy { color: var(--faint); }

/* Mobile */

@media (max-width: 640px) {
  .site-nav { gap: 18px; }

  .hero { padding: 36px 0 32px 0; }

  .post-row {
    flex-direction: column;
    gap: 6px;
    padding: 18px 0;
  }

  .post-row-date { flex: none; font-size: 13px; }
  .post-row-title { font-size: 19px; }

  .post { padding: 32px 0 48px 0; }

  .post-content pre { padding: 16px; }
  .post-content pre code { font-size: 12.5px; }

  .post-footer { flex-direction: column; }
  .post-nav-link.next { text-align: left; }

  .site-footer-inner { flex-direction: column; gap: 10px; }
}