/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    background: #f0f2f5;
    color: #333;
}

/* Header and Navigation */
header {
    background: #e6e6fa;
    padding: 1rem 0;
    margin-bottom: 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    color: #333;
    text-decoration: none;
    font-weight: bold;
    font-size: 24px;
}

nav {
    background: white;
    border-radius: 8px;
    padding: 0.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

nav a {
    color: #333;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.2s;
    margin: 0 0.25rem;
}

nav a:hover {
    background-color: #f0f0f0;
}

nav a.active {
    background-color: #f0f0f0;
    font-weight: 500;
}

/* Main content container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.content {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}