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

body {
    background-image: url(./img/background-IMC.png);
    width: 100vw;
    height: 100vh;
    background-size: cover;
    background-position: 100%;
}

.gif-nuvem img {
    width: 300px;
    height: 200px;
}

.gif-nuvem {
    width: 100%;
    display: flex;
    justify-content: space-between;
    top: 0;
}

.gif-mulher img{
    width: 80px;
    height: 250px;
}

.gif-mulher{
    width: 100%;
    display: flex;
    justify-content: space-between;
}

.main {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.conteudo {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    width: 100vw;
    height: 100vh;
}

header {
    text-align: center;
    width: 400px;
    height: 280px;
    background: linear-gradient(135deg, rgba(173, 216, 230, 0.3), rgba(255, 255, 255, 0.2));
    border: 2px solid rgba(200, 230, 255, 0.4);
    box-shadow: inset 0 0 15px rgba(255, 255, 255, 0.5), 0 4px 10px rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(4px);
    overflow: hidden; /* evita que filhos ultrapassem o header */
}

.textos h1 {
    text-align: center;
    font-family: "Chango", sans-serif;
    font-weight: 400;
    font-style: normal;
    font-size: 47px;
    color: #7fffd4;
    text-shadow: 0 0 8px rgba(127, 255, 212, 0.5);
    opacity: 0.8;
}

.textos {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

#titulo-calc {
    font-family: 'Courier New', Courier, monospace;
    font-size: 24px;
    text-decoration: underline 1px solid rgba(255,255,255,0.2);
    text-underline-offset: 4px; 
    text-align: center;
    margin: 20px 0 40px;
}

input {
    width: 300px;
    height: 25px;
    color: #0e0b22;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    backdrop-filter: blur(5px); /* efeito vidro */
    box-shadow: inset 0 0 10px rgba(255, 255, 255, 0.2), 0 0 10px rgba(255, 255, 255, 0.1);
    outline: none;
    transition: 0.3s ease;
    margin-bottom: 9px;
    text-align: center;
}

input::placeholder {
    color: rgba(9, 39, 189, 0.493);
    text-align: center;
}

input:focus {
    font-size: 18px;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    text-align: center;
}

input:focus::placeholder{
    color: transparent;
}

button {
    padding: 8px 120px;
    margin-top: 20px;
    font-size: 16px;
    font-weight: bold;
    color: white;
    background: linear-gradient(145deg, rgba(0,255,200,0.3), rgba(173,216,230,0.3));
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 12px;
    backdrop-filter: blur(10px) brightness(1.2);
    box-shadow: 0 4px 10px rgba(0, 255, 200, 0.3),
                inset 0 1px 1px rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
}

button:hover {
    background: linear-gradient(145deg, rgba(173,216,230,0.4), rgba(0,255,200,0.4));
    box-shadow: 0 6px 15px rgba(0, 255, 200, 0.4),
                inset 0 2px 2px rgba(255, 255, 255, 0.5);
    transform: scale(1.03);
}

button:active {
    opacity: .7 ;
}
/* 
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none; */

.feedback {
    width: 600px;
    height: 10px;
    text-align: center;
    
}

.feedback p {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 19px;
    font-weight: 700;
    font-style: normal;
    color: white;
    background: linear-gradient(135deg, rgba(173, 216, 230, 0.3), rgba(255, 255, 255, 0.2));
    border: 2px solid rgba(200, 230, 255, 0.4);
    box-shadow: inset 0 0 15px rgba(255, 255, 255, 0.5), 0 4px 10px rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(4px);
}

.feedback {
    display: none;
}