/*
 * Shared styles for Newsroom + Field Notes pages.
 * Used by HTML generated from `scripts/build-content.mjs`.
 * Pulls variables from site-global.css (load that first).
 */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .scan, .mesh-layer circle { animation: none !important; }
}
body {
  font-family: var(--font);
  background: var(--void);
  color: var(--ink);
  line-height: 1.5;
}

.compute-wash {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 100% 70% at 85% 15%, var(--violet-dim), transparent 50%),
    radial-gradient(ellipse 80% 60% at 10% 90%, rgba(0, 229, 200, 0.06), transparent 45%),
    var(--void);
}
.field {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 48px 48px;
}
.scan {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(transparent 0%, rgba(0, 229, 200, 0.025) 50%, transparent 100%);
  background-size: 100% 6px; animation: scan 10s linear infinite; opacity: 0.45;
}
@keyframes scan { to { background-position: 0 400px; } }

/* Skip link */
.skip-link {
  position: absolute; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden;
}
.skip-link:focus {
  position: fixed; left: 0.75rem; top: 0.75rem; width: auto; height: auto;
  padding: 0.6rem 1rem; background: var(--ink); color: var(--void);
  z-index: 100; border-radius: 4px; font-family: var(--mono); font-size: 0.7rem;
}

/* Theme switch (matches sitewide pattern) */
.theme-switch {
  position: fixed; top: max(0.75rem, env(safe-area-inset-top));
  right: max(0.75rem, env(safe-area-inset-right));
  z-index: 50; display: inline-flex; align-items: center; padding: 3px;
  border-radius: 999px; border: 1px solid var(--line);
  background: rgba(8, 10, 14, 0.75);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}
[data-theme="light"] .theme-switch {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
}
.theme-switch__label {
  font-family: var(--mono); font-size: 0.55rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muted); padding: 0 0.35rem 0 0.65rem; user-select: none;
}
.theme-switch__btn {
  font-family: var(--mono); font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 0.45rem 0.85rem; border: none; border-radius: 999px;
  cursor: pointer; background: transparent; color: var(--muted);
  transition: background 0.2s, color 0.2s;
}
.theme-switch__btn:hover { color: var(--ink); }
.theme-switch__btn[data-theme-choice="dark"][aria-pressed="true"] {
  background: linear-gradient(135deg, #1e1b4b, #0f172a); color: #f1f5f9;
}
.theme-switch__btn[data-theme-choice="light"][aria-pressed="true"] {
  background: linear-gradient(135deg, #00a896, #5eead4); color: #0f172a;
}

/* Shell + nav (matches existing static pages) */
.shell {
  position: relative; z-index: 2; max-width: 72rem; margin: 0 auto;
  padding: 1.5rem clamp(1rem, 4vw, 2rem) 0;
  display: flex; flex-direction: column;
}
.bar {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center;
  gap: 1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.14em; text-transform: uppercase;
}
.bar__id { color: var(--cyan); }
.bar__id::before { content: "// "; color: var(--muted); }
.nav {
  display: flex; flex-wrap: wrap; gap: 0.85rem 1.25rem;
  font-family: var(--mono); font-size: 0.73rem; font-weight: 600;
  letter-spacing: 0.09em; text-transform: uppercase;
}
.nav a { color: var(--muted); text-decoration: none; transition: color 0.2s; }
.nav a:hover, .nav a.active { color: var(--cyan); }
.nav a.active { border-bottom: 1px solid var(--cyan); padding-bottom: 2px; }

/* Page header */
.page-header { padding: clamp(2rem, 5vw, 3rem) 0 1.5rem; }
.page-header h1 {
  font-size: clamp(2rem, 6vw, 3.5rem); font-weight: 300; letter-spacing: -0.03em;
  line-height: 1.05; text-transform: uppercase;
}
.page-header h1 strong { font-weight: 700; }
.page-header .lede {
  margin-top: 0.85rem; font-size: 1.05rem; color: var(--muted);
  max-width: 60ch; line-height: 1.65;
}
.page-header .kicker {
  font-family: var(--mono); font-size: 0.62rem; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--magenta);
  margin-bottom: 1rem;
}
.page-header .kicker::before { content: "\A7  "; color: var(--muted); }

/* Index list of posts */
.post-list {
  list-style: none; padding: 0; margin: 0;
  border-top: 1px solid var(--line);
}
.post-list__item {
  border-bottom: 1px solid var(--line);
  padding: clamp(1.25rem, 3vw, 1.75rem) 0;
}
.post-list__item a {
  display: block; text-decoration: none; color: inherit;
  transition: transform 0.15s ease;
}
.post-list__item a:hover { transform: translateX(4px); }
.post-list__meta {
  font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted);
  display: flex; flex-wrap: wrap; gap: 0.6rem 1rem; margin-bottom: 0.6rem;
}
.post-list__meta .sep { opacity: 0.4; }
.post-list__meta .cat { color: var(--cyan); }
.post-list__title {
  font-size: clamp(1.25rem, 3vw, 1.65rem); font-weight: 500;
  letter-spacing: -0.01em; line-height: 1.2; color: var(--ink);
  margin-bottom: 0.45rem;
}
.post-list__summary {
  font-size: 0.95rem; color: var(--muted);
  max-width: 64ch; line-height: 1.55;
}
.post-list__empty {
  padding: 2rem 0; color: var(--muted); font-style: italic;
}

/* Single post layout */
.post {
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(2rem, 5vw, 3rem);
  border-top: 1px solid var(--line);
}
.post__meta {
  font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--muted);
  display: flex; flex-wrap: wrap; gap: 0.6rem 1rem; margin-bottom: 1.25rem;
}
.post__meta .cat { color: var(--cyan); }
.post__meta .author { color: var(--magenta); }
.post__meta .sep { opacity: 0.4; }
.post__title {
  font-size: clamp(1.85rem, 5vw, 3rem); font-weight: 300;
  letter-spacing: -0.025em; line-height: 1.05;
  margin-bottom: 0.75rem;
}
.post__title strong { font-weight: 700; }
.post__lede {
  font-size: 1.1rem; color: var(--muted); line-height: 1.6;
  max-width: 64ch; margin-bottom: clamp(1.5rem, 4vw, 2.25rem);
}

/* Article body typography (markdown output) */
.post__body {
  max-width: 64ch;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--muted);
}
.post__body > * + * { margin-top: 1.1em; }
.post__body p { color: var(--muted); }
.post__body strong { color: var(--ink); font-weight: 500; }
.post__body em { color: var(--ink); font-style: italic; }
.post__body h2 {
  margin-top: 2em; margin-bottom: 0.5em;
  font-family: var(--font); font-size: 1.35rem; font-weight: 500;
  letter-spacing: -0.01em; line-height: 1.25; color: var(--ink);
}
.post__body h3 {
  margin-top: 1.6em; margin-bottom: 0.4em;
  font-family: var(--mono); font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--cyan);
}
.post__body a {
  color: var(--cyan); text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 200, 0.35);
  transition: border-color 0.15s ease;
}
.post__body a:hover { border-bottom-color: var(--cyan); }
.post__body ul, .post__body ol {
  padding-left: 1.5rem;
}
.post__body li + li { margin-top: 0.4em; }
.post__body blockquote {
  border-left: 3px solid var(--magenta);
  padding: 0.25rem 0 0.25rem 1.25rem;
  color: var(--ink); font-style: italic;
  max-width: 60ch;
}
.post__body code {
  font-family: var(--mono); font-size: 0.9em;
  padding: 0.1em 0.35em; border: 1px solid var(--line);
  border-radius: 3px; background: rgba(0, 229, 200, 0.04);
  color: var(--ink);
}
.post__body pre {
  font-family: var(--mono); font-size: 0.85rem;
  padding: 1rem 1.25rem; border: 1px solid var(--line);
  border-radius: 4px; background: rgba(8, 10, 14, 0.45);
  overflow-x: auto; line-height: 1.55;
}
.post__body pre code {
  border: none; background: none; padding: 0;
}
.post__body hr {
  border: none; border-top: 1px solid var(--line); margin: 2em 0;
}

/* Tag chips */
.post__tags, .post-list__tags {
  display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 1.5rem;
}
.tag {
  font-family: var(--mono); font-size: 0.6rem; font-weight: 500;
  letter-spacing: 0.08em; text-transform: lowercase;
  padding: 0.25rem 0.55rem; border: 1px solid var(--line);
  border-radius: 999px; color: var(--muted);
}

/* Footer */
footer {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  padding: 1.5rem 0 2rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: 0.55rem;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem;
}
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--cyan); }
footer em { color: var(--cyan); font-style: normal; }

/* Back link */
.back-link {
  display: inline-block;
  font-family: var(--mono); font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muted); text-decoration: none;
  margin-top: clamp(2rem, 5vw, 2.5rem);
  border-bottom: 1px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.back-link:hover { color: var(--cyan); border-bottom-color: var(--cyan); }
.back-link::before { content: "\2190  "; }