<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>{% block title %}Dashboard{% endblock %}</title>
<style>
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: system-ui, sans-serif; line-height: 1.5; color: #333; background: #f5f5f5; }
a { color: #0066cc; text-decoration: none; }
a:hover { text-decoration: underline; }
.header { background: #fff; padding: 1rem 2rem; border-bottom: 1px solid #ddd; display: flex; justify-content: space-between; align-items: center; }
.header-brand a { font-size: 1.25rem; font-weight: 600; color: #333; }
.header-nav .nav { display: flex; gap: 1.5rem; list-style: none; }
.sidebar { position: fixed; left: 0; top: 60px; width: 240px; height: calc(100vh - 60px); background: #fff; border-right: 1px solid #ddd; padding: 1rem 0; overflow-y: auto; }
.nav-menu { list-style: none; }
.nav-item { margin: 0.25rem 0; }
.nav-link { display: block; padding: 0.5rem 1.5rem; color: #555; }
.nav-link:hover { background: #f0f0f0; text-decoration: none; }
.nav-item.active > .nav-link { background: #e8f0fe; color: #0066cc; }
.nav-submenu { list-style: none; padding-left: 1rem; }
.main-content { margin-left: 240px; padding: 2rem; min-height: calc(100vh - 120px); }
.footer { margin-left: 240px; padding: 1rem 2rem; background: #fff; border-top: 1px solid #ddd; font-size: 0.875rem; color: #666; }
section { margin-bottom: 1.5rem; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.stat-card { background: #fff; padding: 1.25rem; border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,0.1); }
.stat-value { font-size: 1.75rem; font-weight: 600; }
.stat-label { color: #666; font-size: 0.875rem; }
.card { background: #fff; border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,0.1); margin-bottom: 1rem; }
.card-header { padding: 1rem 1.25rem; border-bottom: 1px solid #eee; }
.card-title { font-size: 1rem; font-weight: 600; }
.card-body { padding: 1.25rem; }
.alert { padding: 1rem; border-radius: 6px; margin-bottom: 0.75rem; }
.alert-info { background: #e8f4fd; color: #0c5460; }
.alert-warning { background: #fff3cd; color: #856404; }
.alert-success { background: #d4edda; color: #155724; }
.alert-danger { background: #f8d7da; color: #721c24; }
.btn { display: inline-block; padding: 0.5rem 1rem; border: none; border-radius: 6px; font-size: 0.875rem; cursor: pointer; }
.btn-primary { background: #0066cc; color: #fff; }
.btn-secondary { background: #6c757d; color: #fff; }
.btn-success { background: #28a745; color: #fff; }
.btn-warning { background: #ffc107; color: #333; }
.btn-danger { background: #dc3545; color: #fff; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }
.btn-sm { padding: 0.25rem 0.5rem; font-size: 0.75rem; }
.button-group { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.badge { display: inline-block; padding: 0.25rem 0.5rem; border-radius: 4px; font-size: 0.75rem; font-weight: 500; margin: 0.25rem; }
.badge-default { background: #e9ecef; color: #333; }
.badge-primary { background: #0066cc; color: #fff; }
.badge-success { background: #28a745; color: #fff; }
.badge-warning { background: #ffc107; color: #333; }
.badge-danger { background: #dc3545; color: #fff; }
.badge-info { background: #17a2b8; color: #fff; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 0.75rem; text-align: left; border-bottom: 1px solid #eee; }
.table th { font-weight: 600; background: #f8f9fa; }
.table-striped tr:nth-child(even) { background: #f8f9fa; }
.icon { font-style: normal; margin-right: 0.25rem; }
</style>
{% block head %}{% endblock %}
</head>
<body class="{% block body_class %}{% endblock %}">
<header class="header">
{% block header %}
<div class="header-brand">
<a href="/">{{ site_name }}</a>
</div>
<nav class="header-nav">
{% block header_nav %}{% endblock %}
</nav>
{% endblock %}
</header>
<aside class="sidebar">
{% block sidebar %}{% endblock %}
</aside>
<main class="main-content">
{% block content %}{% endblock %}
</main>
<footer class="footer">
{% block footer %}
<p>© {{ current_year }} {{ site_name }}</p>
{% endblock %}
</footer>
{% block scripts %}{% endblock %}
</body>
</html>