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

@forward 'tabbar.vars';
@use 'tabbar.vars' as vars;

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

	@include bem.object('tabbar') {
		min-inline-size: 0;
		block-size:      props.get(vars.$block-size);
		overflow:        hidden;

		&::after {
			display:            block;
			block-size:         props.get(vars.$indicator--width);
			margin-block-start: calc(-1 * props.get(vars.$indicator--width));
			content:            '';
			background-color:   props.get(vars.$railing--bg-color);
		}

		@include bem.elem('tabs') {
			display:         flex;
			block-size:      100%;
			margin-inline:   calc(-.5 * props.get(vars.$spacing));
			overflow-inline: auto;
		}

		@include bem.modifier('quiet') {
			box-shadow: none;
		}

		@include bem.modifier('adapt') {
			block-size: 100%;
		}

		@include bem.elem('tab') {
			position:       relative;
			display:        flex;
			align-items:    center;
			padding-inline: calc(.5 * props.get(vars.$spacing));
			color:          props.get(vars.$tab--text-color);
			white-space:    nowrap;

			&::before {
				position:          absolute;
				inset-block-start: 50%;
				inset-inline:      calc(-1 * props.get(vars.$tab--pad-i) + .5 * props.get(vars.$spacing));
				z-index:           -10;
				block-size:        1.5em;
				content:           '';
				border-radius:     props.get(vars.$rounding);
				transform:         translateY(-50%);
			}

			&::after {
				position:         absolute;
				inset-block-end:  0;
				inset-inline:     calc(.5 * props.get(vars.$spacing));
				z-index:          10;
				display:          none;
				block-size:       props.get(vars.$indicator--width);
				content:          '';
				background-color: props.get(vars.$tab--selected--text-color);
			}

			&:link,
			&:visited {
				&:hover,
				&:active,
				&:focus-visible {
					color: props.get(vars.$tab--selected--text-color);
				}

				&:focus-visible {
					&::before {
						color:           props.get(vars.$key-focus--text-color);
						text-decoration: none;
						outline:         props.get(vars.$key-focus--border-color) solid props.get(vars.$key-focus--border-width);
						box-shadow: 0 0 0
							calc(props.get(vars.$key-focus--border-width) + props.get(vars.$key-focus--outline-width))
							props.get(vars.$key-focus--outline-color);
					}
				}
			}

			@include bem.is('selected') {
				color: props.get(vars.$tab--selected--text-color);
                
				&::after {
					display: block;
				}
			}
		}

		@include bem.modifier('accent') {
			@include bem.elem('tab') {
				&::after {
					background-color: props.get(vars.$tab--accent--text-color);
				}

				@include bem.is('selected') {
					color: props.get(vars.$tab--accent--text-color);
				}
			}
		}
	}
}