/*noinspection CssUnknownTarget*/
@import url('https://fonts.googleapis.com/css2?family=Balsamiq+Sans:wght@700&family=Kosugi+Maru&family=Open+Sans&family=Squada+One&display=swap');

@font-face {
    font-family: "ABACUS2";
    src: url("font/ABACUS2.woff");
}

html {
    margin: 0 10px;
}

body {
    max-width: 1500px;
    margin: auto;
    background-color: black;
}

p {
    margin: 10px 0;
}

hr {
    border-top: 1px solid #8c8b8b;
    margin: 5px 0;
}

.title {
    margin: 20px 0;
    font-family: 'Balsamiq Sans', cursive;
    font-size: 60px;
}

.white {
    color: white;
}

.font {
    font-family: 'Kosugi Maru', sans-serif;
    color: white;
    padding: 5px 0;
}

@media screen and (min-width: 500px) {
    .font {
        font-size: 24px;
    }
}

@media screen and (max-width: 499px) {
    .font {
        font-size: 16px;
    }
}

.config-block-float-left {
    float: left;
}

/* 出題部分 */

.calculate-area, .number-area {
    width: 100%;
}

@media screen and (min-width: 500px) {
    .calculate-area, .number-area {
        height: 400px;
    }

    .number-area {
        font-size: 90px;
    }
}

@media screen and (max-width: 499px) {
    .calculate-area, .number-area {
        height: 270px;
    }

    .number-area {
        font-size: 60px;
    }
}

.calculate-area {
    text-align: center;
    display: table;
    background-color: black;
    border: solid 1px white;
    margin-top: 5px;
}

#header-message {
    position: absolute;
    margin: 10px;
    z-index: 10;
}

.number-area {
    display: table-cell;
    vertical-align: middle;
    font-weight: bold;
    font-family: 'ABACUS2', sans-serif;
    color: limegreen;
}

/* 操作部分 */

.operation-panel {
    margin: 0 10px;
}

@media screen and (min-width: 500px) {
    .button {
        margin-right: 10px;
    }
}

@media screen and (max-width: 499px) {
    .button {
    }
}

.config-block {
    display: inline-block;
}

.input-area {
    margin-right: 10px;
    margin-bottom: 6px;
}

@media screen and (min-width: 500px) {
    .label-area {
        width: 100%;
    }

    .input-box {
        font-size: 24px;
        width: 120px;
        padding: 10px 15px;
    }
}

@media screen and (max-width: 499px) {
    .label-area {
        float: left;
        padding: 5px 0;
    }

    .input-box {
        font-size: 16px;
        width: 81px;
        padding: 5px 10px;
    }
}

.input-box {
    border-radius: 3px;
    border: 2px solid #ddd;
    box-sizing: border-box;
    font-family: 'Open Sans', sans-serif;
}

.input-box:focus {
    border: 2px solid #ff9900;
    z-index: 10;
    outline: 0;
}

.input-box:disabled {
    background-color: darkgray;
}

.btn-gradient-3d {
    display: inline-block;
    text-decoration: none;
    border-radius: 4px;
    color: #ffffff;
    box-shadow: 0 2px 2px rgba(0, 0, 0, 0.29);
}

.btn-gradient-3d:active {
    -webkit-transform: translateY(4px);
    transform: translateY(4px);
    box-shadow: 0 0 1px rgba(0, 0, 0, 0.2);
    border-bottom: none;
}

.btn-blue {
    font-family: 'Kosugi Maru', sans-serif;
    padding: 0.25em;
    background-image: linear-gradient(#6795fd 0%, #67ceff 100%);
    border-bottom: solid 3px #5e7fca;
}

.btn-blue-active {
    font-family: 'Kosugi Maru', sans-serif;
    padding: 0.25em;
    background-image: linear-gradient(#9567fd 0%, #ce67ff 100%);
    border-bottom: solid 3px #ca5ea8;
}

.btn-blue:disabled {
    /* 20 % of the enable */
    background-image: linear-gradient(rgba(103, 149, 253, 0.2) 0%, rgba(103, 206, 255, 0.2) 100%);
    box-shadow: 0 2px 2px rgba(0, 0, 0, 0.06);
    border-bottom: solid 3px rgba(94, 127, 202, 0.2);
}

.btn-orange {
    font-family: 'Squada One', cursive;
    background-image: linear-gradient(45deg, #FFC107 0%, #ff8b5f 100%);
    border-bottom: solid 3px #c58668;
}

.btn-orange:disabled {
    /* 20 % of the enable */
    background-image: linear-gradient(45deg, rgba(255, 193, 7, 0.2) 0%, rgba(255, 139, 95, 0.2) 100%);
    box-shadow: 0 2px 2px rgba(0, 0, 0, 0.06);
    border-bottom: solid 3px rgba(197, 134, 104, 0.2);
}

@media screen and (min-width: 500px) {
    .btn-blue {
        font-size: 24px;
    }

    .btn-blue-active {
        font-size: 24px;
    }

    .btn-orange {
        padding: 0.5em 1em;
        font-size: 30px;
    }
}

@media screen and (max-width: 499px) {
    .btn-blue {
        font-size: 16px;
    }

    .btn-blue-active {
        font-size: 16px;
    }

    .btn-orange {
        padding: 0.25em 0.5em;
        font-size: 20px;
    }
}

.display-none {
    display: none;
}