@import url('https://fonts.googleapis.com/css2?family=Atkinson+Hyperlegible:wght@400;700&family=Lexend:wght@400;600;700&display=swap');

body {
  margin: 0;
  padding: 0;
  font-family: 'Atkinson Hyperlegible', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: #f5f5f5;
  color: #333333;
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Lexend', sans-serif;
  margin-top: 0;
  font-weight: 600;
  color: #222222;
}

h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

a {
  color: #1a0dab;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

header {
  background: #ffffff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #222222;
}

.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.5rem;
}

.nav-links li a {
  font-size: 1rem;
  color: #555555;
  padding: 0.25rem 0;
}

.nav-links li a:hover {
  color: #000000;
}

.container {
  max-width: 700px;
  margin: 2rem auto;
  padding: 0 1rem;
}

.content-card {
  background: #ffffff;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  padding: 2rem;
  margin-bottom: 2rem;
}

p {
  margin-top: 1rem;
  margin-bottom: 1rem;
}

.post-meta {
  font-size: 0.9rem;
  color: #777777;
  margin-bottom: 1rem;
  margin-top: 0;
}

ul {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

ul li {
  margin-bottom: 0.5rem;
}

.view-archive {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 1rem;
  color: #1a0dab;
}

button,
.btn {
  font-family: inherit;
  font-size: 1rem;
  color: #ffffff;
  background-color: #1a73e8;
  border: none;
  border-radius: 4px;
  padding: 0.5rem 1rem;
  cursor: pointer;
}

button:hover,
.btn:hover {
  background-color: #1669c1;
}

input[type="text"] {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid #cccccc;
  border-radius: 4px;
  margin-bottom: 1rem;
  font-size: 1rem;
}

input[type="text"]:focus {
  outline: none;
  border-color: #1a73e8;
}

.error-page,
.protected-message {
  text-align: center;
  padding: 2rem;
}

.error-page h1 {
  font-size: 2.5rem;
  color: #c02d2e;
}

.protected-message h1 {
  font-size: 2rem;
  color: #222222;
}

.series-nav {
  overflow: hidden;
  margin-bottom: 1rem;
}

.series-nav .btn {
  display: inline-block;
  font-size: 0.875rem;
  padding: 0.3rem 0.6rem;
  line-height: 1.2;
  margin: 0.2rem 0;
}

.series-nav .btn:first-child {
  margin-right: 0.5rem;
}

.hero-title {
  font-family: 'Lexend', sans-serif;
  font-size: 3rem;
  text-align: center;
  margin: 3rem 0 1.5rem 0;
  color: #222222;
}