/* ==========================================================================
   Editorial / magazine theme
   - Wide page, strong type hierarchy, a card grid for the listing
   - Light/dark toggle via html[data-theme]
   ========================================================================== */

:root,
html[data-theme="light"] {
  --bg: #ffffff;
  --bg-soft: #f6f5f3;
  --txt: #161513;
  --muted: #6e6a64;
  --line: #e7e4df;
  --accent: #d6312b;
  --accent-soft: rgba(214, 49, 43, 0.08);
  --code-2: #b0241f;

  --hl-red: #d6312b;
  --hl-green: #2f7d4f;
  --hl-yellow: #9a6b1f;
  --hl-blue: #1f5fb0;
  --hl-cyan: #0f7a86;
  --hl-magenta: #9a3b8f;
  --hl-comment: #9b968d;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #131214;
    --bg-soft: #1d1c1f;
    --txt: #efece7;
    --muted: #9a948b;
    --line: #2c2a2e;
    --accent: #ff6b5e;
    --accent-soft: rgba(255, 107, 94, 0.13);
    --code-2: #ff8a7e;

    --hl-red: #ff6b5e;
    --hl-green: #74c98f;
    --hl-yellow: #e0b65f;
    --hl-blue: #6fa8e8;
    --hl-cyan: #5fc6d2;
    --hl-magenta: #d98fce;
    --hl-comment: #6a655d;
  }
}

html[data-theme="dark"] {
  --bg: #131214;
  --bg-soft: #1d1c1f;
  --txt: #efece7;
  --muted: #9a948b;
  --line: #2c2a2e;
  --accent: #ff6b5e;
  --accent-soft: rgba(255, 107, 94, 0.13);
  --code-2: #ff8a7e;

  --hl-red: #ff6b5e;
  --hl-green: #74c98f;
  --hl-yellow: #e0b65f;
  --hl-blue: #6fa8e8;
  --hl-cyan: #5fc6d2;
  --hl-magenta: #d98fce;
  --hl-comment: #6a655d;
}

:root {
  --b-txt: var(--txt);
  --b-bg-1: var(--bg);
  --b-bg-2: var(--bg-soft);
  --b-line: var(--line);
  --b-link: var(--accent);
  --b-focus: var(--accent);
  --b-font-main: "Helvetica Neue", Inter, ui-sans-serif, system-ui, -apple-system,
    "Segoe UI", Roboto, Arial, sans-serif;
  --b-font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

/* --- Base layout ---------------------------------------------------------- */

html { scroll-behavior: smooth; }

body {
  max-width: 64rem;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 5rem;
  background: var(--bg);
  color: var(--txt);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--accent-soft); }

a { color: var(--accent); text-underline-offset: 2px; }

/* --- Header (masthead) ---------------------------------------------------- */

.site-header {
  margin-bottom: 3rem;
  padding-bottom: 1.5rem;
  border-bottom: 3px solid var(--txt);
}

.site-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-brand {
  font-family: var(--b-font-main);
  font-size: 2.1rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--txt);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  text-transform: uppercase;
}
.site-brand:hover { color: var(--accent); }
.site-prompt { font-size: 1.4rem; color: var(--accent); }

.site-tagline {
  font-family: var(--b-font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin: 0.5rem 0 0;
}
.site-tagline::before { content: ""; }

.theme-toggle {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 4px;
  width: 2.25rem;
  height: 2.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--muted);
  cursor: pointer;
  padding: 0;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }

.theme-icon { display: none; line-height: 1; }
.theme-icon-dark { display: inline; }
.theme-icon-light { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-icon-dark { display: none; }
  :root:not([data-theme="light"]) .theme-icon-light { display: inline; }
}
html[data-theme="dark"] .theme-icon-dark { display: none; }
html[data-theme="dark"] .theme-icon-light { display: inline; }
html[data-theme="light"] .theme-icon-dark { display: inline; }
html[data-theme="light"] .theme-icon-light { display: none; }

/* --- Navigation ----------------------------------------------------------- */

.site-header nav {
  display: flex;
  gap: 1.75rem;
  margin-top: 1.25rem;
  font-family: var(--b-font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.site-header nav a { color: var(--muted); text-decoration: none; transition: color 0.15s ease; }
.site-header nav a:hover { color: var(--accent); }
.site-header nav a[aria-current="true"] { color: var(--accent); font-weight: 700; }

/* --- Home: card grid ------------------------------------------------------ */

.posts-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
  gap: 1.5rem;
}

.post-row { margin: 0; padding: 0; }

.post-link {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  height: 100%;
  padding: 1.5rem 1.5rem 1.75rem;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  border-radius: 6px;
  text-decoration: none;
  color: var(--txt);
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.post-link:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.08);
}

.post-kicker {
  font-family: var(--b-font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
}

.post-title {
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.post-description {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
  flex: 1;
}

.post-meta {
  font-family: var(--b-font-mono);
  font-size: 0.74rem;
  color: var(--muted);
  margin-top: 0.25rem;
}

/* --- Post page ------------------------------------------------------------ */

.post-back {
  display: inline-block;
  font-family: var(--b-font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-decoration: none;
  margin-bottom: 2rem;
  transition: color 0.15s ease;
}
.post-back:hover { color: var(--accent); }

.post { max-width: 44rem; margin: 0 auto; }
.post-head { margin-bottom: 2.5rem; }
.post-head h1 {
  font-size: 2.7rem;
  font-weight: 800;
  margin: 0 0 1rem;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.post-meta-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-family: var(--b-font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.post-meta-sep { opacity: 0.5; }
.post-tags { display: inline-flex; gap: 0.5rem; margin-left: 0.25rem; }
.post-tag { color: var(--accent); }

.draft-badge {
  display: inline-block;
  font-family: var(--b-font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2em 0.5em;
  border-radius: 4px;
  color: var(--hl-yellow);
  border: 1px solid var(--hl-yellow);
}

.post p, .post li { line-height: 1.75; font-size: 1.05rem; }
.post h2, .post h3 { margin-top: 2.5rem; letter-spacing: -0.01em; }
.post img { border-radius: 6px; border: 1px solid var(--line); }
.post blockquote {
  border-left: 4px solid var(--accent);
  color: var(--muted);
  font-style: italic;
  font-size: 1.15rem;
}

/* --- Code ----------------------------------------------------------------- */

pre {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 0.85rem;
  line-height: 1.6;
}
:not(pre) > code {
  background: var(--accent-soft);
  color: var(--code-2);
  border-radius: 4px;
  padding: 0.12em 0.4em;
  font-size: 0.875em;
}

.hljs-keyword, .hljs-selector-tag, .hljs-section, .hljs-link { color: var(--hl-magenta); }
.hljs-string, .hljs-attribute, .hljs-symbol, .hljs-bullet, .hljs-addition, .hljs-template-tag { color: var(--hl-green); }
.hljs-title, .hljs-name, .hljs-function .hljs-title, .hljs-type { color: var(--hl-blue); }
.hljs-variable, .hljs-template-variable, .hljs-attr, .hljs-property { color: var(--hl-cyan); }
.hljs-number, .hljs-regexp, .hljs-literal { color: var(--hl-yellow); }
.hljs-built_in, .hljs-class .hljs-title, .hljs-params { color: var(--hl-red); }
.hljs-comment, .hljs-quote, .hljs-deletion, .hljs-meta { color: var(--hl-comment); font-style: italic; }

/* --- Footer --------------------------------------------------------------- */

.site-footer {
  margin-top: 5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-family: var(--b-font-mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.footer-links { display: flex; gap: 1.25rem; }
.footer-links a { color: var(--muted); text-decoration: none; }
.footer-links a:hover { color: var(--accent); }

/* --- Responsive ----------------------------------------------------------- */

@media (max-width: 540px) {
  body { padding: 1.75rem 1.1rem 3rem; }
  .post-head h1 { font-size: 2rem; }
  .posts-list { grid-template-columns: 1fr; }
}