/* === BASE === */
body {
    color: #FFFFFF;
    margin: 0 auto;
    padding: 16px;
    padding-bottom: 64px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #808080;
    font-family: 'Quicksand', sans-serif;
    font-size: 16px;
    max-width: 640px;
    min-height: 100vh;
}

a {
    color: #FFFFFF;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* === CONTAINER === */
.container {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

/* === INTRO === */
.intro {
    color: #000000;
    padding: 16px;
    text-align: left;
}

.intro h1 {
    text-align: center;
}

/* === FORMULAIRE === */
.inputContainer {
    margin: 0 auto;
    border-collapse: separate;
    border-spacing: 4px 8px;
}

.label-col {
    text-align: right;
    white-space: nowrap;
    padding-right: 8px;
}

.input-col {
    text-align: left;
}

.inputContainer input[type="text"],
.inputContainer input[type="number"] {
    padding: 4px 8px;
    font-family: 'Quicksand', sans-serif;
    font-size: 16px;
}

/* === ZONE COULEUR === */
.displayColor {
    width: 128px;
    height: 128px;
    text-align: center;
    font-size: 64px;
    padding: 32px;
    margin: 32px;
    cursor: pointer;
}

#colorCode {
    font-size: 16px;
}

/* === PAGE PALETTE DISPLAY === */
#pageTitle {
    font-size: 24px;
    margin-bottom: 32px;
}

#colorsContainer {
    text-align: center;
    margin-top: 16px;
    width: 100%;
}

.paletteContainer {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    max-width: calc(4 * 128px + 3 * 16px);
    margin: 0 auto;
}

.colorBox {
    width: 128px;
    height: 128px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.colorHex {
    color: white;
    font-weight: bold;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.returnLink {
    display: block;
    margin-top: 20px;
    color: #FFFFFF;
    text-decoration: none;
    font-size: 16px;
    text-align: center;
}

.returnLink:hover {
    text-decoration: underline;
}

/* === FOOTER === */
footer {
    width: 100%;
    max-width: 640px;
    padding: 16px;
    display: flex;
    justify-content: flex-end;
}

a.back-link {
    color: #CCCCCC;
    font-size: 14px;
    text-decoration: none;
}

a.back-link:hover {
    text-decoration: underline;
}

/* === RESPONSIVE === */

@media (max-width: 480px) {
    body {
        font-size: 14px;
        padding: 8px;
    }

    .intro {
        padding: 8px;
    }

    .inputContainer,
    .inputContainer tbody,
    .inputContainer tr,
    .inputContainer td {
        display: block;
        width: 100%;
    }

    .label-col {
        text-align: left;
        padding-right: 0;
        padding-bottom: 2px;
    }

    .displayColor {
        width: 96px;
        height: 96px;
        font-size: 48px;
        padding: 24px;
        margin: 16px;
    }

    .colorBox {
        width: 96px;
        height: 96px;
    }

    .paletteContainer {
        max-width: calc(3 * 96px + 2 * 12px);
        gap: 12px;
    }

    .colorHex {
        font-size: 12px;
    }
}