/*
 * FIND:veela-ui
 * TAG:veela,fl-ui
 * WHY: Chrome mixins used by modal/sidebar/toolbars. SoT is veela, not fl.ui/library.
 */

@mixin vstack($gap: var(--space-md)) {
    display: flex;
    flex-direction: column;
    gap: $gap;
}

@mixin inline-toolbar($gap: var(--space-sm)) {
    display: inline-flex;
    align-items: center;
    gap: $gap;
    flex-wrap: nowrap;
}

@mixin nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    min-block-size: var(--touch-min);
    padding-inline: var(--space-md);
    border-radius: var(--radius-md);
    color: var(--color-on-surface);
    transition: background-color var(--transition-fast), color var(--transition-fast);

    &:where(:hover, :focus-visible) {
        background: var(--color-surface-hover);
    }
}

@mixin tonal-surface($role: surface, $opacity: var(--surface-opacity-subtle), $radius: var(--radius-md), $border: null, $shadow: 0, $clip: false) {
    background-color: color-mix(in oklch, var(--color-#{$role}, var(--#{$role}-color, var(--color-surface, transparent))) calc(100% * #{$opacity}), transparent);
    border-radius: $radius;

    @if $border != null {
        border: $border solid var(--border-color, transparent);
    }

    @if $shadow != 0 {
        box-shadow: var(--shadow-#{$shadow}, none);
    }

    @if $clip {
        overflow: hidden;
    }
}

@mixin tonal-list($role: surface, $opacity: var(--surface-opacity-subtle), $radius: var(--radius-md), $border: 0) {
    @include tonal-surface($role, $opacity, $radius, $border);
}

@mixin glass-backdrop() {
    backdrop-filter: blur(var(--backdrop-blur, 16px));
    background-color: var(--backdrop-color, color-mix(in oklch, var(--color-surface, var(--surface-color, black)) 40%, transparent));
}

@mixin backdrop-blur($strength: "default") {
    $blur: if(sass($strength == "subtle"): 10px; else: 18px);
    backdrop-filter: blur($blur);
    -webkit-backdrop-filter: blur($blur);
}

@mixin container-inline() {
    inline-size: min(100%, var(--container-inline-size, 100%));
}

@mixin text-heading($role: "headline-small", $align: start) {
    font: var(--type-#{$role}, inherit);
    text-align: $align;
}

@mixin text-body($role: "body-medium") {
    font: var(--type-#{$role}, inherit);
}

@mixin text-label($role: "label-medium", $strong: false) {
    font: var(--type-#{$role}, inherit);

    @if $strong {
        font-weight: var(--font-weight-semibold, 600);
    }
}

@mixin section-stack($gap: var(--space-md)) {
    @include vstack($gap);
}

@mixin field-stack($gap: var(--space-sm)) {
    @include vstack($gap);
}

@mixin scrollbars($size: 8px, $color: currentColor) {
    scrollbar-width: thin;
    scrollbar-color: $color transparent;

    &::-webkit-scrollbar {
        inline-size: $size;
        block-size: $size;
    }
}