/* GitHub-style base styling */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: #24292f;
    background-color: #ffffff;
    margin: 0;
    padding: 0;
}

/* Header and Navigation */
.site-header {
    background-color: #24292f;
    color: #ffffff;
    padding: 16px 0;
    border-bottom: 1px solid #d0d7de;
}

.site-header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-logo {
    font-size: 20px;
    font-weight: 600;
    color: #ffffff;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.site-logo:hover {
    color: #f0f6fc;
}

.site-nav {
    display: flex;
    gap: 24px;
    align-items: center;
}

.site-nav a {
    color: #f0f6fc;
    text-decoration: none;
    font-size: 14px;
    padding: 8px 12px;
    border-radius: 6px;
    transition: background-color 0.2s;
}

.site-nav a:hover {
    background-color: rgba(240, 246, 252, 0.1);
}

.site-nav a.active {
    background-color: rgba(240, 246, 252, 0.15);
    font-weight: 600;
}

/* Main content area */
.site-container {
    max-width: 980px;
    margin: 0 auto;
    padding: 45px 32px;
}

/* Footer */
.site-footer {
    border-top: 1px solid #d0d7de;
    padding: 40px 32px;
    margin-top: 80px;
    background-color: #f6f8fa;
}

.site-footer-container {
    max-width: 1280px;
    margin: 0 auto;
    text-align: center;
    color: #57606a;
    font-size: 14px;
}

.site-footer-container p {
    margin: 8px 0;
}

.site-footer-container a {
    color: #0969da;
    text-decoration: none;
}

.site-footer-container a:hover {
    text-decoration: underline;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .site-header-container {
        flex-direction: column;
        gap: 16px;
        padding: 0 16px;
    }
    
    .site-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
    }
    
    .site-container {
        padding: 24px 16px;
    }
    
    .site-footer {
        padding: 24px 16px;
    }
}

/* GitHub markdown body overrides */
.markdown-body {
    box-sizing: border-box;
    min-width: 200px;
    max-width: 100%;
    margin: 0;
    padding: 0;
}

/* Page-specific styles */
.page-header {
    padding-bottom: 16px;
    margin-bottom: 24px;
    border-bottom: 1px solid #d0d7de;
}

.page-header h1 {
    font-size: 32px;
    font-weight: 600;
    margin: 0 0 8px 0;
}

.page-header .subtitle {
    color: #57606a;
    font-size: 16px;
}

/* Card styles for calendar and other features */
.card {
    background: #f6f8fa;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    padding: 24px;
    margin: 24px 0;
}

.card h2 {
    margin-top: 0;
    font-size: 20px;
    font-weight: 600;
}

.url-box {
    background: #ffffff;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    padding: 12px;
    font-family: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, 'Liberation Mono', monospace;
    font-size: 14px;
    word-break: break-all;
    margin: 12px 0;
}

.button {
    display: inline-block;
    background: #2da44e;
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    border-radius: 6px;
    margin: 5px 5px 5px 0;
    font-size: 14px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: background-color 0.2s;
}

.button:hover {
    background: #2c974b;
}

.button-secondary {
    background: #0969da;
}

.button-secondary:hover {
    background: #0860ca;
}

.instructions {
    background: #fff8c5;
    border: 1px solid #d4a72c;
    border-radius: 6px;
    padding: 16px;
    margin: 24px 0;
}

.instructions h3 {
    margin-top: 0;
    font-size: 16px;
    font-weight: 600;
}

.instructions ol {
    margin: 8px 0 8px 20px;
    padding: 0;
}

.instructions li {
    margin: 4px 0;
}