:root {
    --bg-principal: #ffffff;
    --color-andalucia: #037932;
    --bg-btn-hover: #00a743;
    --sombra-principal: 4px 4px 5px #0000005b;
    --sombra-card: 0px 4px 5px #0000005b;
    --border-radius: 16px;
    --border-principal: 1px solid black;
}

@font-face {
    font-family: "Junta Andalucia";
    src: url("../fonts/NotoSansHK-Medium.ttf");
}


/* 🟩Estilos generales */
* {
    margin: 0;
    padding: 0;

    font-family: Junta Andalucia;

    overflow-x: hidden;
}

body {
    position: relative;
    min-height: 100vh;

    background-image: linear-gradient(#037932, #b8b8b8d8), url("../media/images/bg.jpg");
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-size: cover;

    font-size: 18px;  
}


/* 🟩Estilos contenedores */
main > div, footer {
    width: 35%;

    text-align: center;
    box-shadow: var(--sombra-principal);

    margin: 0px auto;
}

main > div:first-child {
    background-color: var(--bg-principal);
    border-radius: 16px 16px 0px 0px;
    margin-top: 4%;
}

main > div:last-child {
    background-color: var(--color-andalucia);
    padding: 10px 0;
}

#contenedor-tabla, #contenedor-formulario {
    width: 80%;
    background-color: var(--bg-principal);
    border-radius: var(--border-radius);
    box-shadow: var(--sombra-principal);
    margin: 18px auto;
    padding: 10px;
}

footer {
    font-size: 10px;
    background-color: var(--bg-principal);
    border-radius: 0px 0px 16px 16px;
    padding-top: 10px;
    padding-bottom: 10px;
}

footer p {
    text-align: center;
}

/* 🟩Estilos texto */
h1, h2, h3 {
    letter-spacing: 1px;
    
    border-bottom: 1px solid rgba(0, 0, 0, 0.432);   
}

h1 {
    color: var(--color-andalucia);
    font-weight: 900;
    text-align: center;
    margin: 10px 20px
}

/* Unificado h2, h3 */
h2, h3 {
    color: var(--color-andalucia);
    padding-left: 10px;
    margin: 0px 20px;
    text-align: center;
}

/* 🟩Estilos imagenes */
img {
    width: 90%;
    border-radius: 10px;
    margin-top: 20px;
    margin-bottom: 10px;
}


/* 🟩Estilos calculadora */
.input-group {
    display: flex;
    flex-direction: column;
}

#formulario-input > div {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 10px;
}

label {
    color: var(--color-andalucia);
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

input[type="text"] {
    width: 80%;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    padding: 15px 18px;
}

input[type="submit"] {
    width: 80%;
    height: auto;

    color: white;
    background-color: var(--color-andalucia);
    box-shadow: var(--sombra-card);
    border: 1px solid rgb(141, 141, 141);
    border-radius: var(--border-radius);

    font-family: Junta Andalucia;
    letter-spacing: 1px;

    padding: 12px 0px;
    margin: 10px;

    transition: all 0.3s ease;
}

input[type="submit"]:hover {
    background-color: var(--bg-btn-hover);
    transform: translateY(3px);
    cursor: pointer;
}


#imcWeight::placeholder, #imcHeight::placeholder {
    color: gray;
}

#imcWeight.error::placeholder, #imcHeight.error::placeholder {
    color: red;
    font-weight: bold;
    border-bottom: 1px solid red;
}

#strIMC {
    width: 80%;
    min-height: 10px;

    align-content: center;
    justify-content: center;
    
    font-size: 18px;
    border-radius: var(--border-radius);
    box-shadow: var(--sombra-card);

    padding: 12px 0px;
    margin: 5px;
}


/* 🟩Estilos tabla imc */
#contenedor-tabla > div {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    font-size: 16px;
    border-radius: var(--border-radius);
    padding: 10px;
    margin: 10px;
}

#contenedor-tabla > div > p:first-child {
    text-align: left;
    padding-left: 10px;
}

#contenedor-tabla > div > p:last-child {
    text-align: right;
    padding-right: 10px;
}

#contenedor-tabla > div:nth-child(2) {
    background-color: #22c55e;
}

#contenedor-tabla > div:nth-child(3) {
    background-color: #84cc16;
}

#contenedor-tabla > div:nth-child(4) {
    background-color: #eab308;
}

#contenedor-tabla > div:nth-child(5) {
    background-color: #f97316;
}

#contenedor-tabla > div:nth-child(6) {
    background-color: #ef4444;
}



/* Responsive para pantallas móviles */
@media (max-width: 1100px) {
    *, label {
        font-size: 30px;
    }
    h2 {
        font-size: 40px;
    }
    main > div, footer {
        width: 90%;
    }
    #contenedor-principal > div {
        width: 70%;
        margin: 50px auto;
    }
    main {
        margin-top: 250px;
    }
    footer > p {
        font-size: 22px;
    }
}