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

.card {
    border: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.card-header {
    background-color: #0d6efd;
    color: white;
    font-weight: bold;
}

.btn-primary {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0a58ca;
}

#signature-pad {
    border: 2px dashed #ccc;
    border-radius: 4px;
    cursor: crosshair;
    background-color: #fff;
    width: 100%;
    height: 200px;
}

.table-hover tbody tr:hover {
    background-color: #f1f1f1;
}

.footer {
    margin-top: 50px;
    padding: 20px 0;
    background-color: #e9ecef;
    text-align: center;
    color: #6c757d;
}

.login-container {
    max-width: 400px;
    margin: 100px auto;
}

.admin-sidebar {
    min-height: 100vh;
    background-color: #343a40;
    color: white;
}

.admin-sidebar a {
    color: rgba(255, 255, 255, .8);
    text-decoration: none;
    padding: 10px 15px;
    display: block;
}

.admin-sidebar a:hover {
    background-color: #495057;
    color: white;
}

.admin-content {
    padding: 20px;
}