#mp-planner-app {
    max-width: 600px;
    margin: 20px auto;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    padding: 25px;
    font-family: 'Inter', sans-serif;
    color: #333333;
}

#mp-planner-app h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: #0D47A1;
}

#mp-planner-app form {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

#mp-planner-app input[type="text"] {
    padding: 10px;
    border: 1px solid #CCCCCC;
    border-radius: 6px;
    font-size: 1rem;
}

#mp-planner-app button {
    padding: 10px;
    background-color: #0D47A1;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    transition: background 0.3s;
}

#mp-planner-app button:hover {
    background-color: #1565C0;
}

#mp-planner-list li {
    padding: 6px 0;
    border-bottom: 1px solid #eee;
    font-size: 0.95rem;
}

#mp-planner-result p {
    margin-top: 10px;
    font-weight: bold;
}