body {
    font-family: 'Segoe UI', Tahoma, sans-serif;
    background: linear-gradient(120deg, #f2f4f7, #e6f0ff);
    margin: 0;
    padding: 0;
    color: #333;
}

.container {
    max-width: 720px;
    margin: 60px auto;
    background: #ffffff;
    padding: 50px 40px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s ease;
}

.container:hover {
    transform: scale(1.01);
}

h1 {
    text-align: center;
    color: #2c3e50;
    font-size: 32px;
    margin-bottom: 35px;
    font-weight: 600;
}

form {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
}

input[type="text"] {
    flex: 1;
    padding: 14px 18px;
    font-size: 16px;
    border: 1.5px solid #d0d7e2;
    border-radius: 8px;
    background-color: #f9fbff;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

input[type="text"]:focus {
    border-color: #5c9ded;
    outline: none;
    box-shadow: 0 0 6px rgba(92, 157, 237, 0.4);
}

button {
    padding: 14px 22px;
    background-color: #5c9ded;
    color: white;
    border: none;
    font-size: 16px;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

button:hover {
    background-color: #3b7bd9;
    transform: scale(1.03);
}

.result {
    background: #eef6ff;
    padding: 25px;
    border-radius: 10px;
    font-size: 17px;
    line-height: 1.7;
    color: #2d3b45;
    border-left: 5px solid #5c9ded;
}