* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(to right, #fdfbfb, #ebedee);
    color: #333;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    background: #ffffff;
    max-width: 500px;
    width: 100%;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.logo {
    width: 120px;
    margin-bottom: 15px;
}

h1 {
    font-size: 2.2rem;
    color: #3d3d3d;
    margin-bottom: 8px;
}

.subtitle {
    font-size: 1rem;
    color: #666;
    margin-bottom: 20px;
}

input[type="text"] {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    border: 1px solid #ccc;
    border-radius: 10px;
    margin-bottom: 15px;
    transition: 0.3s;
}

input[type="text"]:focus {
    border-color: #9966cc;
    outline: none;
}

button {
    background-color: #9966cc;
    color: white;
    border: none;
    padding: 12px 20px;
    font-size: 1rem;
    border-radius: 10px;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    background-color: #7a4db3;
}

.result-box {
    background-color: #f9f9f9;
    padding: 20px;
    border-radius: 12px;
    margin-top: 25px;
    text-align: left;
    box-shadow: 0 5px 12px rgba(0, 0, 0, 0.05);
}

.result-box h3 {
    color: #444;
    margin-bottom: 10px;
}

.result-box strong {
    color: #222;
}

.result-box p {
    margin-top: 10px;
    font-size: 0.95rem;
    color: #555;
    line-height: 1.5;
}

footer {
    margin-top: 30px;
    font-size: 0.85rem;
    color: #888;
}