h1,h2 {
    text-align: center;
color: #2c3e50;
}

.form-container {
    max-width: 700px;
    margin: auto;
    background: #fff;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

input, button {
    margin: 5px 0;
    padding: 8px;
border: 1px solid #aaa;
    border-radius: 5px;
}

button {
    background: #4CAF50;
    color: white;
    border: none;
    cursor: pointer;
    margin-top: 8px;
}

button:hover {
    background: #45a049;
}

.plan {
    background: #eef;
    margin: 12px auto;
    padding: 12px;
    border-radius: 8px;
    max-width: 700px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.flowchart {
 margin-top: 8px;
    padding: 8px;
    background: #d9fdd3;
    border-left: 4px solid green;
    line-height: 1.5;
}

.delete-btn {
    background: rgb(154, 153, 153);
    color: white;
    border: none;
    padding: 6px 10px;
    margin-top: 8px;
    border-radius: 5px;
    cursor: pointer;
}