:root {
  --color-bg: #f7f4ee;
  --color-text: #2a2622;
  --color-muted: #7a7267;
  --color-accent: #9c3b2e;
  --color-border: #e3ddd0;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: Georgia, "Iowan Old Style", "Palatino Linotype", serif;
  line-height: 1.6;
}

a {
  color: var(--color-accent);
  text-decoration: underline;
}

/* Two-column page shell: constant nav bar on the left, content on the right */

.page {
  display: flex;
  align-items: flex-start;
  min-height: 100vh;
}

.page-content {
  flex: 1;
  min-width: 0;
  padding: 1.5rem 1.5rem 3rem;
  max-width: 640px;
  margin-inline: auto;
}

/* Header */

.site-header {
  padding-bottom: 1.25rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.site-home {
  font-size: 1.1rem;
  font-weight: bold;
  text-decoration: none;
  color: var(--color-text);
}

/* Constant nav bar */

.site-nav {
  flex-shrink: 0;
  width: min(38vw, 200px);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  border-right: 1px solid var(--color-border);
  padding: 1.5rem 1rem;
  text-align: right;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav li {
  margin-bottom: 0.6rem;
}

.site-nav a[aria-current="page"] {
  font-weight: bold;
}

/* Main content */

.site-main {
  padding-top: 0.5rem;
}

.site-main h1 {
  margin-top: 0;
}

.site-main h2 {
  font-size: 1.2rem;
}

.entry-meta {
  margin: 0 0 1.5rem;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.site-footer {
  margin-top: 3rem;
  color: var(--color-muted);
  font-size: 0.85rem;
}

/* Home page: "Who are you?" identity picker */

.identity-picker {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
}

.identity-picker li {
  margin-bottom: 0.5rem;
}

.identity-picker a {
  font-size: 1.5rem;
  text-decoration: none;
}

.identity-picker a:hover {
  text-decoration: underline;
}