*,
*::before,
*::after {
    box-sizing: border-box;
}

:root {
    --bg-light-100: #ffffff;
    --bg-light-500: #f0f0f0;
    --bg-light-600: #e0e0e0;
    --bg-light-700: #d0d0d0;

    --bg-dark-400: #55555f;
    --bg-dark-500: #38383d;

    --fg-light-400: #3d3d3d;
    --fg-light-500: #333;

    --fg-dark-300: #505050;
    --fg-dark-500: #ddd;

    --ft-mono: 'JetBrains Mono', monospace;
    --ft-sans: 'Open Sans', sans-serif;

    --ft-sans-wt-light: 300;
    --ft-sans-wt-normal: 400;
    --ft-sans-wt-bold: 600;
}

body {
    margin: 0;

    width: 100%;
    min-height: 100vh;

    font-family: var(--ft-sans);
    font-size: 16px;

    color: var(--fg-light-500);
    background: var(--bg-light-500);
}

//
// Structure
//

main {
    display: flex;
    z-index: 0;

    .sidebar {
        transition: all 150ms ease-in-out;

        &.collapsed {
            width: 0;
            min-width: 0;
        }

        user-select: none;

        display: flex;
        flex-direction: column;

        // padding: 0.5rem 1rem 0 0.5rem;
        min-height: 100vh;

        min-width: 13rem;
        width: 25vw;
        max-width: 25rem;

        overflow-x: hidden;

        color: var(--fg-dark-500);
        background: var(--bg-dark-500);

        font-size: 18px;

        z-index: 1;

        flex-shrink: 0;

        .logo {
            font-size: 24px;
            font-weight: var(--ft-sans-wt-light);

            margin: 1rem;
        }

        & > .items {
            margin: 0.5rem;

            & > .item > .label {
                min-width: 170px;
            }
        }

        .items {
            display: flex;
            flex-direction: column;

            gap: 0.25rem;

            & > .item > .label {
                font-weight: var(--ft-sans-wt-bold);
            }

            hr {
                margin: 0;
                padding: 0;
                width: 100%;
                height: 1px;

                border: none;
                background: var(--fg-dark-300);
            }

            .item {
                &.dropdown {
                    cursor: pointer;

                    & .item > .label {
                        font-size: 16px;

                        margin-left: 1.75rem;
                    }
                }

                & > .children {
                    padding-top: 0.25rem;

                    display: flex;
                    flex-direction: column;

                    &.collapsed {
                        display: none;
                    }
                }
            }

            .label {
                padding: 0.5rem;
                border-radius: 0.25rem;

                display: flex;

                min-width: 10rem;

                .icon {
                    display: flex;
                    align-items: center;
                    justify-content: center;
                }

                &:hover {
                    background: var(--bg-dark-400);
                }
            }
        }
    }

    .main-content {
        display: flex;
        flex-direction: column;
        align-items: center;

        flex-grow: 1;

        height: 100vh;
        overflow-y: auto;

        background: var(--bg-light-500);
        box-shadow: 0 0 2rem 0 #00000022;

        z-index: 2;

        header {
            width: 100%;

            min-height: 3rem;

            display: flex;
            align-items: center;
            justify-content: space-between;

            padding: 0.5rem 1rem 0.5rem 0.5rem;
            gap: 0.75rem;

            background: var(--bg-light-100);
            border-bottom: 1px solid var(--bg-light-600);

            color: var(--fg-light-400);

            vertical-align: middle;

            .group {
                display: flex;
                align-items: center;

                gap: 0.5rem;
            }

            .label {
                font-size: 18px;
                font-weight: var(--ft-sans-wt-light);
            }

            .machine {
                font-size: 24px;
                font-weight: var(--ft-sans-wt-normal);
            }
        }

        & > .content {
            display: flex;
            flex-direction: column;
            align-items: center;

            flex-grow: 1;

            padding: 1rem 1rem 0 1rem;
        }
    }
}

//
// Utilities
//

@keyframes toast-fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 0.95;
    }
}

@keyframes toast-fade-out {
    from {
        opacity: 0.95;
    }
    to {
        opacity: 0;
    }
}

.row {
    display: flex;
    align-items: center;
    justify-content: space-between;

    flex-grow: 1;

    gap: 0.5rem;

    .row-group {
        display: flex;
        align-items: center;

        gap: 0.5rem;
    }
}

//
// Components
//

.panel {
    background: var(--bg-light-100);
    border: 1px solid var(--bg-light-600);
    padding: 1rem;

    display: flex;
    flex-direction: column;

    gap: 0.5rem;

    & .title {
        font-weight: var(--ft-sans-wt-bold);
    }
}

.table {
    & > .header {
        display: flex;
        justify-content: space-between;
    }
    & > .cells {
        display: grid;
        align-items: center;

        gap: 0.25rem 0.5rem;

        .header {
            display: flex;
            align-items: center;

            min-height: 2.25rem;
            font-weight: var(--ft-sans-wt-bold);
        }

        & > div {
            min-width: 4rem;
        }
    }
}

form {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1rem;

    align-items: center;

    @extend .panel;

    label {
        justify-self: end;
    }

    .fill {
        grid-column: span 2;
    }

    .title {
        font-weight: var(--ft-sans-wt-bold);
    }

    .center {
        justify-self: center;
    }
}

//
// Controls
//

a,
a:hover,
a:visited {
    text-decoration: none;
    color: inherit;
}

button,
.button {
    border: none;
    background: none;
    font-family: var(--ft-sans);
    font-size: 16px;

    color: var(--fg-light-500);
    text-decoration: none;

    cursor: pointer;

    --size: 2.25rem;

    height: var(--size);
    padding: 0 0.75rem;

    border-radius: 2px;

    display: flex;
    align-items: center;

    &.icon {
        display: flex;
        justify-content: center;

        width: var(--size);
    }

    &.flat {
        &:hover {
            background: #00000018;
        }
    }

    &:not(.flat) {
        border: 1px solid var(--bg-light-700);
        background: var(--bg-light-600);

        &:hover {
            background: var(--bg-light-700);
        }
    }
}

input[type='text'],
input[type='password'],
textarea {
    border: 1px solid var(--bg-light-700);
    background: var(--bg-light-100);

    font-family: var(--ft-sans);
    font-size: 16px;

    color: var(--fg-light-500);

    border-radius: 2px;

    white-space: pre;
    overflow-wrap: normal;
    overflow-x: scroll;

    &.mono {
        font-size: 90%;
        font-family: var(--ft-mono);
    }
}

textarea {
    padding: 0.5rem;
}

input[type='text'],
input[type='password'] {
    padding: 0 0.5rem;
    --size: 2.25rem;

    height: var(--size);

    display: flex;
    align-items: center;
}
//
// Typography
//

.material-symbols-outlined {
    font-size: 22px;
}

b {
    font-weight: var(--ft-sans-wt-bold);
}

p {
    margin: 0;

    & + p {
        margin-top: 0.5rem;
    }
}

code {
    font-size: 95%;
}

$base-font-size: 16px;
$heading-scale: 1.33;

@function pow($number, $exponent) {
    $value: 1;

    @if $exponent > 0 {
        @for $i from 1 through $exponent {
            $value: $value * $number;
        }
    }

    @return $value;
}

@for $i from 1 through 5 {
    h#{$i} {
        margin: 0;

        $factor: pow($heading-scale, 5 - $i);
        font-size: $base-font-size * $factor;

        line-height: 1.5;
    }
}

//
// Routes
//

.route-index {
    & > .content {
        width: 100%;
        max-width: 1300px;
    }

    .widgets {
        // display: flex;
        // flex-direction: row;
        // flex-wrap: wrap;

        width: 100%;

        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));

        justify-content: center;

        gap: 1rem;

        .widget {
            @extend .panel;

            min-height: 10rem;

            &.pie {
                grid-row: span 2;

                & > .content {
                    place-content: center;
                }
            }

            & > .content {
                flex-grow: 1;
                display: grid;

                & > canvas {
                    min-width: 250px;
                    min-height: 250px;
                    width: 100%;
                    height: 100%;
                }
            }
        }
    }
}

.route-api-keys {
    .table {
        min-width: 30rem;

        .name {
            button {
                font-family: var(--ft-mono);
            }
        }

        .options {
            display: flex;
            justify-content: end;
            gap: 0.5rem;

            .delete {
                color: #e62929;

                &:hover {
                    background: #e629291d;
                }
            }
        }
    }
}

.toasts {
    position: absolute;
    z-index: 10;

    left: 50%;
    transform: translateX(-50%);

    bottom: 1rem;

    display: flex;
    flex-direction: column;
    align-items: center;

    gap: 0.25rem;

    transition: all 150ms linear;

    font-size: 15px;

    .toast {
        background: #38383d;
        color: var(--fg-dark-500);

        padding: 0.5rem 1rem;
        border-radius: 0.5rem;

        opacity: 0.95;

        animation: toast-fade-in 250ms ease-out;
        transition: opacity 250ms ease-in;

        &.removed {
            opacity: 0;
        }
    }
}