:root {
  --bg: #FAFAF8;
  --fg: #2A2D34;
  --fg-muted: #5A5D66;
  --accent: #0C6E6D;
  --accent-light: #E6F4F4;
  --warm: #B86B1D;
  --warm-light: #FFF3E6;
  --surface: #EEEDEA;
  --border: #DDDBD6;
  --display: 'Instrument Serif', Georgia, 'Times New Roman', serif;
  --body: 'Outfit', system-ui, -apple-system, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #191C22;
    --fg: #E6E4DF;
    --fg-muted: #ADABA5;
    --accent: #3ABFBE;
    --accent-light: #1A2E2E;
    --warm: #DDA15E;
    --warm-light: #2E2518;
    --surface: #23262D;
    --border: #33363E;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #191C22;
  --fg: #E6E4DF;
  --fg-muted: #97958F;
  --accent: #3ABFBE;
  --accent-light: #1A2E2E;
  --warm: #DDA15E;
  --warm-light: #2E2518;
  --surface: #23262D;
  --border: #33363E;
  color-scheme: dark;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--body);
  font-weight: 400;
  line-height: 1.75;
  padding: 0 max(20px, env(safe-area-inset-left, 0px));
}

.article-wrapper {
  max-width: 680px;
  margin: 0 auto;
  padding-block: 40px 80px;
}

/* NAV */
.article-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 48px;
}
.article-nav a {
  font-family: var(--body);
  font-size: 0.9rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}
.article-nav a:hover { text-decoration: underline; }
.article-nav .site-name {
  font-family: var(--display);
  font-size: 1.15rem;
  color: var(--fg);
}

/* THEME TAG */
.theme-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-light);
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 16px;
}
.theme-tag.warm {
  color: var(--warm);
  background: var(--warm-light);
}

/* TITLE */
.article-title {
  font-family: var(--display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.2;
  color: var(--fg);
  margin-bottom: 32px;
}

/* CONTENT */
.article-content {
  font-size: 1.05rem;
  color: var(--fg);
}
.article-content p {
  margin-bottom: 1.25em;
}
.article-content strong {
  color: var(--fg);
  font-weight: 600;
}
.article-content em {
  font-style: italic;
}
.article-content h2 {
  font-family: var(--display);
  font-size: 1.5rem;
  margin-top: 2em;
  margin-bottom: 0.75em;
  color: var(--fg);
}
.article-content h3 {
  font-family: var(--display);
  font-size: 1.25rem;
  margin-top: 1.5em;
  margin-bottom: 0.5em;
  color: var(--fg);
}
.article-content ul,
.article-content ol {
  margin-bottom: 1.25em;
  padding-left: 1.5em;
}
.article-content li {
  margin-bottom: 0.5em;
}
.article-content blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 20px;
  margin: 1.5em 0;
  color: var(--fg-muted);
  font-style: italic;
}
.article-content .highlight-box {
  background: var(--surface);
  border-radius: 8px;
  padding: 20px 24px;
  margin: 1.5em 0;
}
.article-content .key-insight {
  font-family: var(--display);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--accent);
  margin: 1.5em 0;
  line-height: 1.5;
}

/* FOOTER */
.article-footer {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.article-footer a {
  font-size: 0.9rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}
.article-footer a:hover { text-decoration: underline; }

@media (max-width: 600px) {
  .article-wrapper { padding-block: 24px 60px; }
  .article-nav { margin-bottom: 32px; }
  .article-title { font-size: 1.6rem; }
}