:root {
    --alert-bg-color: #ff5533;
    --alert-ft-color: #fff;
    --sy-tx-color: #333;
    --sy-bg-color: #eee;
    --bg-color: #fff;
    --ft-color: #222;
    --a-color: #5577ff;
    --av-color: #9955dd;
    --alert-bg-color: #ff5533;
    color-scheme: only light;

    &:has(#dark-mode-radio:checked) {
        --bg-color: #111;
        --ft-color: #eee;
        --a-color: #5599ff;
        --av-color: #aa55ff;
        --alert-bg-color: #cc3311;
        color-scheme: only dark;
    }
}

@media (prefers-color-scheme: dark) {
    :root {
        --sy-tx-color: #ddd;
        --sy-bg-color: #222;
        --bg-color: #111;
        --ft-color: #eee;
        --a-color: #5599ff;
        --av-color: #aa55ff;
        --alert-bg-color: #cc3311;
        color-scheme: only dark;

        &:has(#light-mode-radio:checked) {
            --bg-color: #fff;
            --ft-color: #222;
            --a-color: #5577ff;
            --av-color: #9955dd;
            --alert-bg-color: #ff5533;
            color-scheme: only light;
        }
    }
}

html {
    font-family: sans-serif;

    & * {
        transition: background-color 500ms ease, color 500ms ease, border-color 500ms ease;
    }
}

body {
    background-color: var(--bg-color);
    color: var(--ft-color);
}

h1 {
    text-align: center;
}

a {
    color: var(--a-color);

    &:visited {
        color: var(--av-color);
    }
}

input[type="checkbox"] {
    accent-color: var(--ft-color);
}

input[type="text"],
input[type="number"],
button,
select {
    font-size: 1rem;
    margin: 0 10px 0 0;
}

input[type="text"],
input[type="number"],
button,
select,
textarea {
    border: solid 1.5px var(--ft-color);
    border-radius: 5px;
    background-color: var(--bg-color);
    color: var(--ft-color);
}

textarea {
    font-family: inherit;
    font-size: 1rem;
    width: 100%;
    height: 10dvh;
    min-height: 45px;
    box-sizing: border-box;
    resize: none;
}

#jump-menu {
    display: inline-block;
    position: fixed;
    top: 0;
    right: 0;
    max-height: 100dvh;
    box-sizing: border-box;
    background: var(--bg-color);
    border-style: none none solid solid;
    border-width: 1.5px;
    border-color: var(--ft-color);
    border-radius: 0 0 0 5px;
    overflow: hidden scroll;

    & .details {
        border: none;
    }

    & .details-button {
        margin: 0;
        position: sticky;
        top: 0;
    }

    & #jump-menu-content,
    & #lottery-edit-jump-group {
        display: grid;
        justify-items: center;
    }

    & .jump-item {
        margin: 10px 0;
    }
}

.step-group {
    margin-top: 10px;
    border-top: solid 1px var(--ft-color);
}

.item-group {
    border: solid 1.5px var(--ft-color);
    border-radius: 5px;
    padding: 10px;
    margin: 10px 0;
}

.lottery-results-list {

    & li {
        padding: 8px;
        margin: 5px 0;
        border: solid 1.5px var(--ft-color);
        border-radius: 5px;
    }
}

.invalid-value-alert {
    display: none;
    background-color: var(--alert-bg-color);
    color: var(--alert-ft-color);
    padding: 3px;
    font-size: 1rem;
    font-weight: normal;

    &.set-name-title::before {
        content: "おみくじ名を入力してください。(*)";
    }

    &.set-name::before {
        content: "無効なおみくじ名です。(*)";
    }

    &.item-probability::before {
        content: "出やすさは1以上を入力してください。";
    }

    &.item-name-title::before {
        content: "おみくじを2つ以上入力してください。(*)";
    }

    &.item-name::before {
        content: "無効な名前です。";
    }

    &.set-selector::before {
        content: "おみくじを選択してください。(*)";
    }

    &.lottery-count::before {
        content: "無効な数値です。(*)";
    }
}

.details {
    padding: 10px;
    margin: 5px 0;
    border: solid 1.5px var(--ft-color);
    border-radius: 5px;

    & > .details-button {
        width: 100%;
        border: none;
    }

    & > .details-button > b {
        display: flex;
        align-items: center;

        &::before {
            content: "▶︎";
            transform: rotate(0deg);
            transition: transform 500ms ease;
        }
    }

    & > .details-container {
        display: grid;
        margin: 0 10px;
        grid-template-rows: 0fr;
        transition: grid-template-rows 500ms ease;

        & > .details-content {
            overflow: hidden;
        }
    }
}

.details.open {

    & > .details-button > b {
        &::before {
            transform: rotate(90deg);
        }
    }

    & > .details-container {
        grid-template-rows: 1fr;
    }
}

#appearance-mode-button-group {
    display: flex;
    overflow: scroll hidden;
}

.appearance-mode-button {
    background-color: transparent;
    border: none;
    padding: 0;
    margin: 0 5px;
}

input[name="appearance-mode"] {
    display: none;
}

.appearance-check {
    display: none;
}

.appearance-mode-button:has(input[name="appearance-mode"]:checked) {
    & .appearance-check {
        display: block;
    }
}

.appearance-text {
    font: normal 12px sans-serif;
}

.system-mark,
.system-text,
.system-check {
    fill: var(--sy-tx-color);
    transition: fill 500ms ease;
}

.system-bg {
    fill: var(--sy-bg-color);
    transition: fill 500ms ease;
}