body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background-color: #0c0c0c;
    color: #e0e0e0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    line-height: 1.5;
}

.container {
    background-color: #1a1a1a;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.7);
    width: 420px;
    border: 1px solid #2b2b2b;
}

h1 {
    text-align: center;
    color: #ffffff;
    font-weight: 600;
    margin-bottom: 25px;
}

label {
    display: block;
    margin-top: 15px;
    color: #bbbbbb;
    font-size: 14px;
}

input {
    width: 100%;
    padding: 10px;
    margin-top: 6px;
    border: 1px solid #2e2e2e;
    border-radius: 6px;
    background-color: #141414;
    color: #e0e0e0;
}

input:focus {
    outline: none;
    border-color: #555555;
    background-color: #1f1f1f;
}

button {
    margin-top: 25px;
    width: 100%;
    padding: 12px;
    background: #444;
    color: #fff;
    font-weight: 500;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s ease;
}

button:hover {
    background: #555;
}

.result {
    margin-top: 30px;
    padding: 15px;
    background: #222;
    border-left: 4px solid #555;
    border-radius: 6px;
    color: #dddddd;
    font-size: 14px;
}