@use 'sass:meta';
@use 'iro-sass/src/bem';
@use 'iro-sass/src/props';
@use '../props' as *;
@use 'icon.vars' as icon;

@forward 'side-nav.vars';
@use 'side-nav.vars' as vars;

@mixin styles {
    @include materialize-at-root(meta.module-variables('vars'));

    @include bem.object('side-nav') {
        display:        flex;
        flex-direction: column;
        gap:            props.get(vars.$spacing);

        @include bem.elem('header') {
            padding-block:  props.get(vars.$item--pad-b);
            padding-inline: props.get(vars.$item--pad-i);
            font-size:      props.get(vars.$header--font-size);
            font-weight:    500;
            color:          props.get(vars.$header--label-color);
            text-transform: uppercase;
            letter-spacing: .5px;

            @include bem.next-twin-elem {
                margin-block-start: calc(props.get(vars.$separator) + props.get(vars.$spacing));
            }
        }

        @include bem.elem('item') {
            padding-block:   props.get(vars.$item--pad-b);
            padding-inline:  props.get(vars.$item--pad-i);
            margin:          calc(-1 * props.get(vars.$item--key-focus--border-offset));
            color:           props.get(vars.$item--disabled--label-color);
            background-clip: padding-box;
            border:          props.get(vars.$item--key-focus--border-offset) solid transparent;
            border-radius:   calc(props.get(vars.$item--rounding) + props.get(vars.$item--key-focus--border-offset));

            &:link,
            &:visited,
            &:enabled {
                color: currentColor;

                @include bem.multi('&:hover, &:focus-visible', 'is' 'selected') {
                    color:            props.get(vars.$item--hover--label-color);
                    background-color: props.get(vars.$item--hover--bg-color);
                }

                &:active {
                    color:            props.get(vars.$item--active--label-color);
                    background-color: props.get(vars.$item--active--bg-color);
                }

                &:focus-visible {
                    outline:    props.get(vars.$item--key-focus--border-color) solid props.get(vars.$item--key-focus--border-width);
                    box-shadow:
                        0
                        0
                        0
                        calc(props.get(vars.$item--key-focus--border-width) + props.get(vars.$item--key-focus--outline-width))
                        props.get(vars.$item--key-focus--outline-color);
                }
            }

            @include bem.next-elem('header') {
                margin-block-start: calc(props.get(vars.$separator) + props.get(vars.$spacing));
            }
        }

        @include bem.elem('header') {
            &:link,
            &:visited,
            &:enabled {
                color: props.get(vars.$header--label-color);
            }
        }

        @include bem.elem('separator') {
            block-size: props.get(vars.$separator);
        }

        @include bem.elem('icon-slot') {
            display:         flex;
            justify-content: center;
            inline-size:     props.get(icon.$size);
        }
    }
}