* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
 
}

:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-input: #334155;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --border-color: #475569;
  --accent-primary: #3b82f6;
  --accent-primary: #2563eb;
   --accent-hover: #35eb25bb;
}

body {
background-color: var(--bg-primary);
display:flex;
justify-content: center;
align-items: center;
min-height: 100vh;
padding : 20px;
font-family: "poppins", sans-serif;
}

.container{
   width : 100%;
   max-width: 400px;
   background-color: var(--bg-secondary);
   padding: 30px;
   border-radius: 15px;
   box-shadow: 0 4px 20px rgb( 0, 0, 0,0.3);

}
h1{
    text-align: center;
    color:var(--text-primary);
    margin-bottom: 20px;
}
.from-group{
margin-bottom: 15px;
}
label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-secondary);
}
input,
select  {
width :100%;
padding: 10px;
background-color: var(--bg-input);
border: 1px solid var(--border-color);
border-radius:  5px;
font-size: 1rem;
color: var(--text-primary);
}
input:focus,
select:focus {
    outline:none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgb(59, 130, 246, 0.2);
}
button{
    width: 100%;
    padding: 12px;
    margin-top: 12px;
    background-color: var(--accent-primary);
    color:var(--text-primary);
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}
button:hover {
background-color:var(--accent-hover);
transform: translateY(-2px);
}
 #result {
    margin-top: 20px;
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-primary);
 }