:root {
  --color: #555;
  --background: whitesmoke;
  --background-2: #fafafa;
  --background-3: white;
  --muted-background: #f0f0f0;
  --primary: #6667AB;
  --primary-faded: rgba(102, 103, 171, 0.25);
  --grey: #c2c2c2;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color: #d9d9d9;
    --background: #1d1d1d;
    --background-2: #222222;
    --background-3: #272727;
    --muted-background: #181818;
    --primary: #6667AB;
    --primary-faded: rgba(102, 103, 171, 0.25);
    --grey: #6a6a6a;
  }
}
body {
  font-family: "Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--color);
  font-size: 16px;
  background: var(--background);
}

.logo {
  display: inline-block;
  font-size: 1rem;
  font-weight: ligher;
  color: var(--primary);
  border: 2px solid var(--primary);
  padding: 0.5rem;
  white-space: nowrap;
  text-align: center;
  border-radius: 0.5rem;
}

.nav-container {
  background-color: var(--background-3);
  box-shadow: 1px 1px 0.25rem rgba(0, 0, 0, 0.1);
  border-radius: 0.5rem;
  padding: 1rem;
}
.nav-container header {
  text-transform: uppercase;
  font-size: 0.8rem;
  padding: 0 1rem;
  margin: 1rem 0 0.5rem;
  color: var(--primary);
}
.nav-container a {
  display: block;
  color: var(--color);
  text-decoration: none;
  padding: 0.5rem 1rem;
  box-sizing: border-box;
  border-radius: 1rem;
}
.nav-container a:hover {
  background-color: var(--primary-faded);
  color: var(--primary);
}

ai-app-shell {
  max-width: 1024px;
  margin: 0 auto;
}
ai-app-shell::part(header) {
  padding: 0 0.5rem;
}
ai-app-shell::part(content) {
  background-color: var(--background-2);
  margin: 1rem 0;
  padding: 1rem;
  box-sizing: border-box;
  border-radius: 0.5rem;
  box-shadow: 1px 1px 0.25rem rgba(0, 0, 0, 0.1);
}

form {
  display: grid;
  gap: 0.5rem;
}

label span {
  display: block;
  font-size: 0.8rem;
  margin: 0.5rem 0;
  margin-left: 0.5rem;
}
label input {
  font-size: 0.8rem;
  padding: 0.5rem;
  border-radius: 0.5rem;
  border: 1px solid #555;
}

button {
  display: inline-block;
  background-color: var(--primary, coral);
  padding: 0.5rem;
  border: none;
  font-size: 0.8rem;
  border-radius: 0.5rem;
}

form[slot=signin] {
  padding: 4rem;
}

.main {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}
.main nav a {
  display: block;
  text-decoration: none;
  color: var(--text);
  padding: 0.5rem 0;
}
.main nav a:hover {
  text-decoration: underline;
}