* {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
    font-family: "Segoe UI", sans-serif;
}

body {
    margin: 0;
    padding: 0;
    background: #e9eef3;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 40px;
    background-color: #007bff;
    width: 100%;
    color: #fff;
    font-size: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;

}

main {
    width: 80%;
    max-width: 420px;
    background: white;
    padding: 25px;
    border-radius: 18px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

h2 {
    text-align: center;
    font-size: 22px;
    margin-bottom: 25px;
}

label {
    font-weight: bold;
    font-size: 15px;
}

/* Select estilo mobile */
select {
    width: 100%;
    padding: 14px;
    margin: 10px 0 20px 0;
    border-radius: 10px;
    border: 1px solid #ccc;
    font-size: 16px;
    background: white;
}

/* Botão estilo app */
.btn {
    width: 100%;
    padding: 14px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    /*font-size: clamp(18px, calc(71.68px - 3.94vw), 33px);*/
    font-weight: bold;
    cursor: pointer;
    transition: 0.2s;
}

.btn:active {
    transform: scale(0.97);
    background: #0069d9;
}