:root {
  --color-bg: linear-gradient(to bottom, #fafafa, #e5e7eb);
  --color-navbar-bg: #FFFFFF;
  --color-text: #333333;
  --color-primary: #484b6a;
  --color-secondary: #6c757d;
  --font-family-base: 'Roboto', sans-serif;
  --font-family-heading: 'Nunito', sans-serif;
  --spacing-unit: 1rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: linear-gradient(to bottom, #040E2A, #030712);
    --color-navbar-bg: #030712;
    --color-text: #7C8390;
    --color-primary: #E5E7EB;
    --color-secondary: #90897C;
  }

  main a {
    color: #fafafa;
  }
}

body {
  background: var(--color-bg);
  background-attachment: fixed;
  color: var(--color-text);
  font-family: var(--font-family-base);
  line-height: 1.6;
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  padding: 0.5rem 5rem;
  width: 100%;
  box-sizing: border-box;
  background-color: var(--color-navbar-bg);
  margin-top: 1rem;
}

.home-link {
  font-weight: 700;
  font-size: 1.2rem;
  text-decoration: none;
  color: var(--color-text);
}

nav ul {
  list-style: none;
  padding: 0;
  display: flex;
  gap: 2rem;
  margin: 0;
  width: 100%;
}

/* Push the second item (Projects) and everything after to the right */
nav ul li:nth-child(2) {
  margin-left: auto;
}

nav a {
  text-decoration: none;
  color: var(--color-text);
  font-weight: 500;
  font-size: 1rem;
  transition: color 0.2s ease;
}

nav a:hover {
  color: var(--color-secondary);
}

nav a[aria-current="page"] {
  color: var(--color-primary);
  font-weight: 700;
}

main {
  flex: 1;
  width: 50%;
  margin: 0 auto;
  padding: calc(var(--spacing-unit) * 2);
  border-left: 2px solid #d2d3db;
  border-right: 2px solid #d2d3db;
}

@media (prefers-color-scheme: dark) {
  main {
    border-left: 2px solid #111828;
    border-right: 2px solid #111828;
  }
}

@media (prefers-color-scheme: light) {
  main a {
    color: #484b6a;
    text-decoration: none;
  }

  main a:hover {
    text-decoration: underline;
  }

  nav a[aria-current="page"] {
    color: #9394a5;
  }
}

footer {
  text-align: center;
  padding: var(--spacing-unit);
  border-top: 1px solid var(--color-secondary);
}

h1,
h2,
h3 {
  font-family: var(--font-family-heading);
  color: var(--color-primary);
}

.post-list {
  list-style: none;
  padding: 0;
}

.post-list-item {
  margin-bottom: var(--spacing-unit);
  border-bottom: 1px solid var(--color-secondary);
  padding-bottom: var(--spacing-unit);
}

.post-list-item a {
  text-decoration: none;
  color: var(--color-text);
  font-size: 1.2rem;
  font-weight: bold;
}

.post-meta {
  font-size: 0.9rem;
  color: var(--color-secondary);
}

/* Mobile styles */
@media (max-width: 767px) {
  :root {
    --spacing-unit: 0.75rem;
  }

  header {
    flex-direction: column;
    gap: var(--spacing-unit);
    text-align: center;
  }

  nav ul {
    justify-content: center;
    flex-wrap: wrap;
  }

  main {
    padding: var(--spacing-unit);
  }

  .post-list-item a {
    font-size: 1.1rem;
  }
}