////
///
/// Offcanvas Component Mixins
/// ===========================================================================
///
/// Bootstrap-style offcanvas (slide-in drawer) component mixins.
/// Offcanvas panels slide in from edges of the viewport.
///
/// @group Mixins.BodyOrganisms
/// @author Scape Agency
/// @link https://scape.style
/// @since 0.1.0 initial release
/// @access public
///
////

// ============================================================================
// Use
// ============================================================================

@use "../../dev" as *;
@use "../../variables" as *;
@use "../head_layout" as *;
@use "../soul_object" as *;

// ============================================================================
// Offcanvas Base Mixins
// ============================================================================

/// Offcanvas backdrop
/// @group Offcanvas
@mixin offcanvas--backdrop {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1040;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition:
        opacity 0.3s linear,
        visibility 0.3s linear;

    &.show {
        opacity: 1;
        visibility: visible;
    }
}

/// Base offcanvas panel styling
/// @group Offcanvas
@mixin offcanvas--base {
    position: fixed;
    bottom: 0;
    z-index: 1045;
    display: flex;
    flex-direction: column;
    max-width: 100%;
    color: var(--color_text_primary);
    visibility: hidden;
    background-color: var(--color_fill_primary);
    background-clip: padding-box;
    outline: 0;
    transition: transform 0.3s ease-in-out;

    &.show {
        visibility: visible;
    }
}

/// Offcanvas header styling
/// @group Offcanvas
@mixin offcanvas--header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: q(16) q(16);
    border-bottom: q(1) solid var(--color_line_primary);
}

/// Offcanvas title styling
/// @group Offcanvas
@mixin offcanvas--title {
    margin-bottom: 0;
    line-height: 1.5;
    font-size: calc(var(--typescale-base) * 1.25);
    font-weight: 500;
}

/// Offcanvas body styling
/// @group Offcanvas
@mixin offcanvas--body {
    flex-grow: 1;
    padding: q(16) q(16);
    overflow-y: auto;
}

/// Offcanvas close button
/// @group Offcanvas
@mixin offcanvas--close {
    padding: q(8);
    margin-top: calc(q(-8));
    margin-right: calc(q(-8));
    margin-bottom: calc(q(-8));
    margin-left: auto;
    background: transparent;
    border: 0;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity 0.15s ease;

    &:hover {
        opacity: 1;
    }
}

// ============================================================================
// Offcanvas Position Variants
// ============================================================================

/// Offcanvas from start (left)
/// @group Offcanvas
@mixin offcanvas--start {
    @include offcanvas--base;
    top: 0;
    left: 0;
    width: q(400);
    border-right: q(1) solid var(--color_line_primary);
    transform: translateX(-100%);

    &.show {
        transform: translateX(0);
    }
}

/// Offcanvas from end (right)
/// @group Offcanvas
@mixin offcanvas--end {
    @include offcanvas--base;
    top: 0;
    right: 0;
    width: q(400);
    border-left: q(1) solid var(--color_line_primary);
    transform: translateX(100%);

    &.show {
        transform: translateX(0);
    }
}

/// Offcanvas from top
/// @group Offcanvas
@mixin offcanvas--top {
    @include offcanvas--base;
    top: 0;
    right: 0;
    left: 0;
    height: auto;
    max-height: 100%;
    border-bottom: q(1) solid var(--color_line_primary);
    transform: translateY(-100%);

    &.show {
        transform: translateY(0);
    }
}

/// Offcanvas from bottom
/// @group Offcanvas
@mixin offcanvas--bottom {
    @include offcanvas--base;
    right: 0;
    left: 0;
    height: auto;
    max-height: 100%;
    border-top: q(1) solid var(--color_line_primary);
    transform: translateY(100%);

    &.show {
        transform: translateY(0);
    }
}

// ============================================================================
// Offcanvas Size Variants
// ============================================================================

/// Small offcanvas (300px)
/// @group Offcanvas
@mixin offcanvas--sm {
    &.offcanvas--start,
    &.offcanvas--end {
        width: q(300);
    }
}

/// Large offcanvas (500px)
/// @group Offcanvas
@mixin offcanvas--lg {
    &.offcanvas--start,
    &.offcanvas--end {
        width: q(500);
    }
}

/// Extra large offcanvas (600px)
/// @group Offcanvas
@mixin offcanvas--xl {
    &.offcanvas--start,
    &.offcanvas--end {
        width: q(600);
    }
}

// ============================================================================
// Responsive Offcanvas Variants
// ============================================================================

/// Responsive offcanvas - converts to regular content at breakpoint
/// @group Offcanvas
@mixin offcanvas--responsive($breakpoint: 768px) {
    @media (min-width: $breakpoint) {
        position: static;
        visibility: visible;
        background-color: transparent;
        border: none;
        transform: none;
        transition: none;

        .offcanvas_backdrop {
            display: none;
        }
    }
}

/// Dark variant offcanvas
/// @group Offcanvas
@mixin offcanvas--dark {
    background-color: var(--color_fill_04);
    color: var(--color_fill_01);

    .offcanvas_header {
        border-color: rgba(255, 255, 255, 0.1);
    }
}

/// Static offcanvas (no backdrop, always visible)
/// @group Offcanvas
@mixin offcanvas--static {
    transform: none;
    visibility: visible;

    ~ .offcanvas_backdrop {
        display: none;
    }
}