:root {
    --bg: #EEE;
    --sidebarBg: #292929;
    --sidebarHoverBg: #232323;
    --headerBg: #FFF;
    --contentBg: #FFF;
    --border: #E5E5E5;
    --color: #232323;
    --colorLink: #999;
    --colorSidebar: #FFF;
    --main: #F44336;
    --errorColor: #F44336;
    --selectedBg: #ffe7e5;

    @media (prefers-color-scheme: dark) {
        &:root {
            --bg: #1F1F1F;
            --headerBg: #292929;
            --contentBg: #292929;
            --border: #191919;
            --color: #FFF;
            --selectedBg: #261918;
        }
    }
}

&.night {
    --bg: #1F1F1F;
    --headerBg: #292929;
    --contentBg: #292929;
    --border: #191919;
    --color: #FFF;
    --selectedBg: #261918;
}

* {
    border-width: 0;
    box-sizing: border-box;
    font-family: "Source Sans Pro", sans-serif;
    margin: 0;
    padding: 0;
    text-decoration: none;
}

a {
    cursor: pointer;
}

.spacer {
    flex: 1;
}

body {
    overflow: hidden;
}

#login-scene {
    height: 100vh;
    padding: 16px;
    overflow: auto;
    display: flex;
    align-items: center;
    flex-flow: column nowrap;
    background-color: var(--bg);

    >.error-message {
        width: 100%;
        max-width: 400px;
        font-size: 1em;
        background-color: var(--contentBg);
        border: 1px solid var(--border);
        padding: 16px;
        margin-top: auto;
        margin-bottom: 16px;
        text-align: center;
        color: var(--errorColor);
    }

    #login-box {
        width: 100%;
        max-width: 400px;
        margin-bottom: auto;
        background-color: var(--contentBg);
        display: flex;
        flex-flow: column nowrap;
        border: 1px solid var(--border);
        flex-shrink: 0;

        &:first-child {
            margin-top: auto;
        }

        #logo-area {
            display: flex;
            align-items: center;
            flex-flow: column nowrap;
            padding: 16px;
            background-color: var(--main);
            border-bottom: 1px solid var(--border);
            flex-shrink: 0;

            #logo {
                font-size: 3em;
                font-weight: 100;
                color: var(--contentBg);

                span {
                    margin-right: 8px;
                }
            }

            #tagline {
                font-weight: 500;
                margin-top: 4px;
                color: var(--contentBg);
                text-align: center;
            }
        }

        #input-area {
            padding: 16px;
            display: grid;
            grid-gap: 16px;
            grid-template-columns: auto 1fr;
            justify-content: baseline;
            align-items: center;
            border-bottom: 1px solid var(--border);

            >label {
                color: var(--color);
            }

            >input {
                color: var(--color);
                padding: 8px;
                background-color: var(--contentBg);
                border: 1px solid var(--border);
                min-width: 0;
                font-size: 1em;
            }

            .checkbox-field {
                grid-column: 1 / span 2;
                display: flex;
                flex-flow: row nowrap;
                align-items: center;
                justify-content: center;
                cursor: pointer;

                &:hover,
                &:focus {
                    text-decoration: underline;
                    text-decoration-color: var(--main);
                }

                >input[type="checkbox"] {
                    margin-right: 8px;
                }
            }
        }

        #button-area {
            display: flex;
            flex-flow: row nowrap;
            padding: 16px;
            justify-content: center;

            a {
                color: var(--color);
                text-transform: uppercase;
                text-align: center;
                font-weight: 600;
                cursor: default;

                &.button {
                    cursor: pointer;

                    &:hover,
                    &:focus {
                        color: var(--main);
                    }
                }
            }
        }
    }
}

#main-scene {
    display: grid;
    grid-template-rows: minmax(0, 1fr);
    grid-template-columns: 60px minmax(0, 1fr);
    background-color: var(--bg);
    width: 100vw;
    height: 100vh;

    #main-sidebar {
        display: flex;
        flex-flow: column nowrap;
        background-color: var(--sidebarBg);

        a {
            flex-shrink: 0;
            display: block;
            width: 60px;
            line-height: 60px;
            text-align: center;
            font-size: 1em;
            color: var(--colorSidebar);

            &.active {
                cursor: default;
            }

            &:hover,
            &:focus {
                color: var(--main);
                background-color: var(--sidebarHoverBg);
            }

            &.active {
                color: var(--colorSidebar);
                background-color: var(--main);
            }
        }
    }

    h1.page-header {
        display: block;
        color: var(--color);
        background-color: var(--headerBg);
        border-bottom: 1px solid var(--border);
        line-height: 60px;
        font-size: 1.3em;
        font-weight: 600;
        padding: 0 16px;
    }

    div.page-header {
        display: flex;
        flex-flow: row nowrap;
        align-items: center;
        background-color: var(--headerBg);
        border-bottom: 1px solid var(--border);
        padding: 0 16px;
        grid-row-end: 1;
        grid-row-start: 1;
        grid-column-end: -1;
        grid-column-start: 1;

        p {
            flex: 1 0;
            font-size: 1.3em;
            font-weight: 600;
            line-height: 60px;
            color: var(--color);
        }

        input[type="text"] {
            flex: 1 0;
            min-width: 0;
            margin-right: 8px;
            font-size: 1.1em;
            font-weight: 500;
            line-height: 60px;
            color: var(--color);
            background-color: var(--contentBg);

            &::placeholder {
                color: var(--colorLink);
            }
        }

        a {
            display: block;
            width: 24px;
            line-height: 24px;
            color: var(--colorLink);
            text-align: center;

            &:not(:last-child) {
                margin-right: 8px;
            }

            &:hover {
                color: var(--main);
            }
        }
    }

    .loading-overlay {
        display: flex;
        flex-flow: column nowrap;
        align-items: center;
        justify-content: center;
        overflow: hidden;
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        z-index: 10001;
        background-color: rgba(0, 0, 0, 0.6);

        i {
            color: var(--colorSidebar);
            font-size: 4em;
            text-align: center;
            width: 80px;
            line-height: 80px;
            position: absolute;
        }
    }

    @media (max-width: 600px) {
        grid-template-rows: minmax(0, 1fr);
        grid-template-columns: minmax(0, 1fr);

        .home-sidebar {
            display: none;
            overflow-x: auto;
            flex-flow: row nowrap;
            justify-content: center;

            .spacer {
                display: none;
            }
        }

        h1.page-header {
            text-align: center;
            font-size: 1em;
            line-height: 1.2em;
            padding: 8px;
        }

        div.page-header {
            flex-flow: row wrap;

            p {
                flex: 1 0;
                font-size: 1em;
                font-weight: 500;
                line-height: 3em;
                padding: 0;
            }

            input[type="text"] {
                flex: 1 0;
                font-size: 1em;
                font-weight: 500;
                line-height: 3em;
            }

            a {
                display: block;
                width: 24px;
                line-height: 100%;
            }
        }
    }
}

#page-home {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 1fr);

    #edit-box {
        background-color: var(--selectedBg);
        border-bottom: 1px solid var(--main);
    }

    #bookmarks-grid {
        display: grid;
        grid-template-rows: min-content;
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        grid-gap: 16px;
        padding: 16px;
        overflow: auto;

        &::after {
            content: "";
            display: block;
            min-height: 1px;
            grid-column-end: -1;
            grid-column-start: 1;
        }

        .bookmark {
            align-self: start;
        }

        .pagination-box {
            grid-column-end: -1;
            grid-column-start: 1;
            display: flex;
            flex-flow: row nowrap;
            align-self: start;

            a {
                padding: 8px;
                color: var(--colorLink);

                &:hover,
                &:focus {
                    color: var(--main);
                }
            }

            input {
                width: 40px;
                padding: 8px;
                text-align: center;
                font-size: 0.9em;
                color: var(--color);
                border: 1px solid var(--border);
                background-color: var(--contentBg);
                margin: 0 8px;
            }

            p {
                font-size: 0.9em;
                color: var(--colorLink);
                line-height: 37px;
                font-weight: 600;

                &:last-of-type::before {
                    content: "/";
                    margin-right: 8px;
                }
            }
        }

        &.list {
            grid-gap: 0;
            grid-template-columns: minmax(0, 1000px);

            .pagination-box {
                padding: 16px 0;

                &:first-child {
                    padding-top: 0;
                }
            }

            @media (max-width: 600px) {
                padding: 0;

                .pagination-box {
                    padding: 16px;
                }
            }
        }
    }

    #dialog-tags {
        .custom-dialog-body {
            grid-template-columns: repeat(2, minmax(0, 1fr));

            @media (max-width: 600px) {
                grid-template-columns: minmax(0, 1fr);
            }

            a {
                font-size: 1em;

                span {
                    &:last-child {
                        font-size: 1em;
                        color: var(--colorLink);
                        margin-left: 4px;

                        &::before {
                            content: "(";
                            margin-right: 2px;
                        }

                        &::after {
                            content: ")";
                            margin-left: 2px;
                        }
                    }
                }

                &:hover,
                &:focus {
                    color: var(--main);
                }
            }
        }
    }
}

#page-setting {
    min-height: 0;
    max-height: 100%;
    display: flex;
    flex-flow: column nowrap;

    .setting-container {
        padding: 8px;
        display: flex;
        overflow: auto;
        flex-flow: column nowrap;
        flex: 1 0;

        &::after {
            content: "";
            display: block;
            min-height: 1px;
        }

        details.setting-group {
            margin: 8px;
            display: block;
            max-width: 350px;
            color: var(--color);
            background-color: var(--contentBg);
            border: 1px solid var(--border);

            @media (max-width: 600px) {
                max-width: 100%;
            }

            summary {
                list-style: none;
                font-weight: 600;
                width: 100%;
                padding: 12px 8px;
                font-size: 1.1em;

                cursor: pointer;

                &:hover {
                    color: var(--main)
                }

                &::-webkit-details-marker {
                    display: none;
                }

                &::after {
                    content: "+";
                    margin-left: 8px;
                    font-weight: 600;
                }
            }

            &[open] summary {
                border-bottom: 1px solid var(--border);

                ::after {
                    content: "-";
                }
            }

            div.setting-group-footer {
                padding: 4px 8px;
                display: flex;
                flex-flow: column nowrap;
                align-items: flex-end;
                border-top: 1px solid var(--border);

                >a {
                    text-transform: uppercase;
                    padding: 8px 4px;
                    font-size: 0.9em;
                    font-weight: 600;

                    &:hover {
                        color: var(--main);
                    }

                    &:focus {
                        outline: none;
                        color: var(--main);
                        border-bottom: 1px dashed var(--main);
                    }
                }
            }
        }
    }

    #setting-display {
        display: flex;
        flex-flow: column nowrap;
        padding-bottom: 8px;

        summary {
            margin-bottom: 8px;
        }

        label {
            padding: 4px 8px;
            color: var(--color);
            display: flex;
            flex-flow: row nowrap;
            align-items: center;
            cursor: pointer;

            &:hover,
            &:focus {
                text-decoration: underline;
                text-decoration-color: var(--main);
            }

            >input[type="checkbox"] {
                margin-right: 8px;
            }
        }
    }

    #setting-accounts {
        summary {
            margin-bottom: 0;
        }

        ul {
            list-style: none;

            li {
                padding: 8px;
                display: flex;
                flex-flow: row nowrap;
                align-items: center;

                &:not(:last-child) {
                    border-bottom: 1px solid var(--border);
                }

                span {
                    font-size: 1em;
                    color: var(--color);
                    flex: 1 0;
                }

                a {
                    margin-left: 8px;
                    color: var(--colorLink);

                    &:hover {
                        color: var(--main);
                    }
                }
            }
        }
    }
}