/*
 * Reading window for blog posts.
 * Shared by the Jekyll layout (_layouts/blog.html) and the Vercel prebuild
 * renderer (scripts/build-blog.js) so the two cannot drift.
 */

/*
 * The reading window, in the site's white/feather theme.
 * Same tokens and type as the desktop, so an article never feels like a
 * different product.
 */
:root {
  --paper: #fbfaf7;
  --paper-raised: #ffffff;
  --paper-sunk: #f2efe9;
  --peacock: #0f7a6e;
  --peacock-bright: #1b9c93;
  --gold: #8a5e12;
  --gold-bright: #c08a2e;
  --ink: #16181d;
  --ink-soft: #4a4f57;
  --ink-faint: #767c86;
  --hairline: rgba(22, 24, 29, 0.1);
  --hairline-gold: rgba(192, 138, 46, 0.34);
  --shadow-md: 0 6px 20px rgba(22, 24, 29, 0.08), 0 1px 3px rgba(22, 24, 29, 0.06);

  --font-display: "Marcellus", "Cormorant Garamond", Georgia, serif;
  --font-ui: "Sora", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Aliases so the rules below keep resolving. */
  --mac-font-text: var(--font-ui);
  --mac-font-display: var(--font-display);
  --mac-font-mono: var(--font-mono);
  --mac-accent: var(--peacock);
  --mac-desktop: var(--paper);
  --mac-window: var(--paper);
  --mac-titlebar: rgba(242, 239, 233, 0.86);
  --mac-hairline: var(--hairline);
  --mac-label: var(--ink);
  --mac-label-secondary: var(--ink-soft);
  --mac-label-tertiary: var(--ink-faint);
  --mac-fill: var(--paper-sunk);
  --mac-shadow: var(--shadow-md);
  --mac-radius-window: 12px;
  --mac-radius-card: 10px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  background: var(--mac-desktop);
  color: var(--mac-label);
  font-family: var(--mac-font-text);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* The window fills the frame — the reader is embedded in an iframe on the
   portfolio desktop, so there is no outer desktop padding here. */
.mac-window {
  min-height: 100vh;
  background: var(--mac-window);
  backdrop-filter: saturate(180%) blur(30px);
  -webkit-backdrop-filter: saturate(180%) blur(30px);
  display: flex;
  flex-direction: column;
}

/* Unified titlebar with traffic lights. */
.mac-titlebar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  height: 52px;
  padding: 0 16px;
  background: var(--mac-titlebar);
  backdrop-filter: saturate(180%) blur(30px);
  -webkit-backdrop-filter: saturate(180%) blur(30px);
  border-bottom: 1px solid var(--mac-hairline);
}

.traffic-lights {
  display: flex;
  align-items: center;
  gap: 8px;
}

.traffic-light {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: block;
  box-shadow: inset 0 0 0 0.5px rgba(0, 0, 0, 0.14);
}

.traffic-light--close {
  background: #ff5f57;
}

.traffic-light--minimize {
  background: #febc2e;
}

.traffic-light--zoom {
  background: #28c840;
}

.titlebar-title {
  font-family: var(--mac-font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--mac-label-secondary);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.titlebar-meta {
  font-size: 12px;
  color: var(--mac-label-tertiary);
  white-space: nowrap;
}

.article-shell {
  flex: 1;
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 44px 32px 96px;
}

.article-kicker {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--peacock);
  margin-bottom: 10px;
}

.article-title {
  margin: 0 0 14px;
  font-family: var(--mac-font-display);
  font-size: clamp(30px, 4.4vw, 44px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.022em;
}

.article-subtitle {
  margin: 0;
  font-size: 20px;
  line-height: 1.5;
  color: var(--mac-label-secondary);
}

/* Mac list-row treatment for the byline. */
.author-row {
  margin-top: 28px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--mac-fill);
  border-radius: var(--mac-radius-card);
}

.author-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: inset 0 0 0 0.5px var(--mac-hairline);
  flex-shrink: 0;
}

.author-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.author-name {
  font-size: 14px;
  font-weight: 600;
}

.author-line {
  font-size: 12px;
  color: var(--mac-label-tertiary);
}

.hero-image-wrap {
  margin: 32px 0 40px;
}

.hero-image {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--mac-radius-window);
  box-shadow: var(--mac-shadow);
  background: var(--mac-fill);
  display: block;
}

.article-content {
  font-size: 18px;
  line-height: 1.72;
}

.article-content > *:first-child {
  margin-top: 0;
}

.article-content h1,
.article-content h2,
.article-content h3 {
  font-family: var(--mac-font-display);
  letter-spacing: -0.018em;
  line-height: 1.25;
  margin: 42px 0 14px;
}

.article-content h2 {
  font-size: 27px;
  font-weight: 700;
}

.article-content h3 {
  font-size: 21px;
  font-weight: 600;
}

.article-content p,
.article-content ul,
.article-content ol {
  margin: 0 0 20px;
}

.article-content li {
  margin-bottom: 8px;
}

.article-content a {
  color: var(--peacock);
  text-decoration: none;
  border-bottom: 1px solid rgba(15, 122, 110, 0.36);
}

.article-content a:hover {
  border-bottom-color: var(--mac-accent);
}

.article-content strong {
  font-weight: 650;
}

.article-content blockquote {
  margin: 26px 0;
  padding: 4px 0 4px 18px;
  border-left: 3px solid var(--gold-bright);
  color: var(--mac-label-secondary);
  font-size: 19px;
}

.article-content blockquote p:last-child {
  margin-bottom: 0;
}

.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--mac-radius-card);
  box-shadow: inset 0 0 0 0.5px var(--mac-hairline);
}

.article-content hr {
  border: none;
  border-top: 1px solid var(--mac-hairline);
  margin: 36px 0;
}

/* Code panels, Xcode-adjacent. */
.article-content code {
  font-family: var(--mac-font-mono);
  font-size: 0.875em;
  background: var(--mac-fill);
  padding: 0.15em 0.4em;
  border-radius: 5px;
}

.article-content pre {
  margin: 26px 0;
  padding: 18px 20px;
  background: var(--mac-fill);
  border: 1px solid var(--mac-hairline);
  border-radius: var(--mac-radius-card);
  overflow-x: auto;
}

.article-content pre code {
  background: none;
  padding: 0;
  font-size: 14px;
  line-height: 1.65;
}

.article-content table {
  width: 100%;
  margin: 26px 0;
  border-collapse: collapse;
  font-size: 15px;
  display: block;
  overflow-x: auto;
}

.article-content th,
.article-content td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--mac-hairline);
}

.article-content th {
  font-weight: 600;
  color: var(--mac-label-secondary);
}

/* Grouped-settings style card. */
.author-card {
  margin-top: 48px;
  padding: 18px;
  display: flex;
  gap: 14px;
  background: var(--mac-fill);
  border: 1px solid var(--mac-hairline);
  border-radius: var(--mac-radius-card);
}

.author-card p {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--mac-label-secondary);
}

.page-footer {
  margin-top: 32px;
  text-align: center;
  font-size: 12px;
  color: var(--mac-label-tertiary);
}

@media (max-width: 768px) {
  .mac-titlebar {
    height: 46px;
    padding: 0 12px;
  }

  .titlebar-meta {
    display: none;
  }

  .article-shell {
    padding: 28px 20px 64px;
  }

  .article-content {
    font-size: 17px;
  }

  .article-subtitle {
    font-size: 18px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .article-shell {
    animation: mac-window-in 0.32s cubic-bezier(0.22, 1, 0.36, 1) both;
  }

  @keyframes mac-window-in {
    from {
      opacity: 0;
      transform: translateY(6px);
    }
  }
}