/* General Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
}

.card {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

/* Navbar Styles */
.navbar {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-weight: bold;
}

/* Sidebar Styles */
.sidebar {
    position: fixed;
    top: 56px;
    bottom: 0;
    left: 0;
    z-index: 100;
    padding: 20px 0;
    box-shadow: inset -1px 0 0 rgba(0, 0, 0, .1);
    background-color: #343a40;
}

.sidebar-sticky {
    position: relative;
    top: 0;
    height: calc(100vh - 56px);
    padding-top: .5rem;
    overflow-x: hidden;
    overflow-y: auto;
}

.sidebar .nav-link {
    color: rgba(255, 255, 255, .75);
    padding: .75rem 1rem;
}

.sidebar .nav-link.active {
    color: #fff;
    background-color: rgba(255, 255, 255, .1);
}

.sidebar .nav-link:hover {
    color: #fff;
    background-color: rgba(255, 255, 255, .1);
}

/* Main Content */
.main-content {
    margin-left: 220px;
    padding: 20px;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .sidebar {
        position: static;
        height: auto;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .card {
        margin-bottom: 20px;
    }
}