/* Shared stylesheet for Symposium on AI, Cognitive Science, and Education */

/* Reset & base styles */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background-color: #f9f9f9;
  color: #333;
  line-height: 1.6;
}

/* Layout */
header {
  background-color: #1a73e8;
  color: #ffffff;
  padding: 24px 20px;
}

header h1 {
  margin: 0 0 5px 0;
}

nav {
  background-color: #0f5bd6;
  padding: 10px 20px;
}

nav a {
  color: #eeeeee;
  margin-right: 18px;
  text-decoration: none;
  font-weight: bold;
}

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

main {
  padding: 20px;
  max-width: 1000px;
  margin: 0 auto;
}

section {
  background-color: #ffffff;
  padding: 20px;
  margin-bottom: 20px;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

footer {
  text-align: center;
  padding: 20px;
  font-size: 0.9em;
  color: #666;
}

/* Typography */
h1 {
  color: #ffffff;
}

h2, h3 {
  color: #1a73e8;
}

h2 {
  margin-top: 0;
}

ul {
  padding-left: 20px;
}

li {
  margin-bottom: 6px;
}

p {
  margin-top: 0;
}

/* Links */
a {
  color: #1a73e8;
}

/* Utility */
.placeholder {
  color: #888;
  font-style: italic;
}

/* Responsive */
@media (max-width: 600px) {
  nav a {
    display: block;
    margin: 8px 0;
  }
}