hikari-extra-components 0.2.0

// hikari-extra-components/styles/components/collapsible.scss
// Collapsible panel styles with 

@use '../../../hikari-theme/styles/mixins.scss' as *;

// ============================================
// Collapsible Container
// ============================================

.hi-collapsible {
    width: 100%;
    background-color: var(--hi-color-surface);
    border: 1px solid var(--hi-color-border);
    border-radius: $hikari-radius-lg;
    overflow: hidden;
    transition: all $hikari-transition-base;

    //  clean design with subtle glow
    &:hover {
        border-color: var(--hi-color-primary);
        box-shadow: 0 0 15px rgba(59, 130, 246, 0.2);
    }
}

// ============================================
// Collapsible Header
// ============================================

.hi-collapsible-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: $hikari-spacing-md;
    padding: $hikari-spacing-md $hikari-spacing-lg;
    cursor: pointer;
    user-select: none;
    background-color: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--hi-color-border);
    transition: all $hikari-transition-base;

    // Hover effect
    &:hover {
        background-color: rgba(59, 130, 246, 0.05);

        .hi-collapsible-icon {
            color: var(--hi-color-primary);
            transform: scale(1.1);
        }

        .hi-collapsible-title {
            color: var(--hi-color-text-primary);
        }
    }

    // Active state
    &:active {
        transform: scale(0.99);
    }
}

.hi-collapsible-title-wrapper {
    display: flex;
    align-items: center;
    gap: $hikari-spacing-md;
    flex: 1;
}

.hi-collapsible-icon {
    width: 20px;
    height: 20px;
    color: var(--hi-color-text-secondary);
    transition: all $hikari-transition-base;
    flex-shrink: 0;

    // Rotation animation when collapsed
    .hi-collapsible:not(.hi-collapsible-expanded) & {
        transform: rotate(-90deg);
    }

    // glow on hover
    .hi-collapsible-header:hover & {
        filter: drop-shadow(0 0 8px currentColor);
    }
}

.hi-collapsible-title {
    font-size: $hikari-font-size-base;
    font-weight: 600;
    color: var(--hi-color-text-primary);
    transition: color $hikari-transition-fast;
}

.hi-collapsible-subtitle {
    font-size: $hikari-font-size-sm;
    color: var(--hi-color-text-secondary);
    font-weight: 400;
    margin-top: 2px;
}

.hi-collapsible-actions {
    display: flex;
    align-items: center;
    gap: $hikari-spacing-sm;

    // Prevent click from triggering toggle
    > * {
        cursor: default;
    }
}

// ============================================
// Collapsible Content
// ============================================

.hi-collapsible-content {
    overflow: hidden;
    transition:
        max-height $hikari-transition-slow cubic-bezier(0.4, 0, 0.2, 1),
        opacity $hikari-transition-base;

    // Collapsed state
    .hi-collapsible:not(.hi-collapsible-expanded) & {
        max-height: 0;
        opacity: 0;
    }

    // Expanded state
    .hi-collapsible.hi-collapsible-expanded & {
        max-height: 2000px;
        opacity: 1;
    }
}

.hi-collapsible-body {
    padding: $hikari-spacing-lg;

    // Add scrollbar when content overflows
    @include scrollbar;
}

// ============================================
// Collapsible Variants
// ============================================

// Bordered variant
.hi-collapsible-bordered {
    border-radius: 0;

    &:first-child {
        border-top-left-radius: $hikari-radius-lg;
        border-top-right-radius: $hikari-radius-lg;
    }

    &:last-child {
        border-bottom-left-radius: $hikari-radius-lg;
        border-bottom-right-radius: $hikari-radius-lg;
    }

    &:not(:last-child) {
        border-bottom: none;
    }
}

// Ghost variant (minimal styling)
.hi-collapsible-ghost {
    background-color: transparent;
    border: none;

    .hi-collapsible-header {
        background-color: transparent;
        border-bottom: none;
        border-radius: $hikari-radius-md;

        &:hover {
            background-color: rgba(59, 130, 246, 0.05);
        }
    }

    .hi-collapsible-body {
        padding: $hikari-spacing-md $hikari-spacing-lg;
    }
}

//  variant (enhanced glow)
.hi-collapsible-fui {
    position: relative;
    overflow: hidden;

    // Animated gradient border
    &::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 2px;
        background: linear-gradient(
            90deg,
            var(--hi-color-primary),
            var(--hi-color-secondary),
            var(--hi-color-accent),
            var(--hi-color-primary)
        );
        background-size: 300% 100%;
        animation: hikari-gradient-shift 3s ease infinite;
        opacity: 0;
        transition: opacity $hikari-transition-base;
    }

    &:hover::before {
        opacity: 1;
    }

    .hi-collapsible-header {
        background: linear-gradient(
             135deg,
             rgba(139, 92, 246, 0.05) 0%,
             rgba(59, 130, 246, 0.05) 100%
        );
    }
}

// ============================================
// Collapsible Sizes
// ============================================

.hi-collapsible-sm {
    .hi-collapsible-header {
        padding: $hikari-spacing-sm $hikari-spacing-md;
    }

    .hi-collapsible-title {
        font-size: $hikari-font-size-sm;
    }

    .hi-collapsible-icon {
        width: 16px;
        height: 16px;
    }

    .hi-collapsible-body {
        padding: $hikari-spacing-md;
    }
}

.hi-collapsible-lg {
    .hi-collapsible-header {
        padding: $hikari-spacing-lg $hikari-spacing-xl;
    }

    .hi-collapsible-title {
        font-size: $hikari-font-size-lg;
    }

    .hi-collapsible-icon {
        width: 24px;
        height: 24px;
    }

    .hi-collapsible-body {
        padding: $hikari-spacing-xl;
    }
}

// ============================================
// Collapsible States
// ============================================

// Disabled state
.hi-collapsible-disabled {
    opacity: 0.6;
    pointer-events: none;
    cursor: not-allowed;

    .hi-collapsible-header {
        cursor: not-allowed;
    }
}

// Loading state
.hi-collapsible-loading {
    position: relative;

    .hi-collapsible-icon {
        animation: hi-spin 1s linear infinite;
    }
}

// Error state
.hi-collapsible-error {
    border-color: var(--hi-color-danger);

    .hi-collapsible-icon {
        color: var(--hi-color-danger);
    }

    .hi-collapsible-title {
        color: var(--hi-color-danger);
    }
}

// Success state
.hi-collapsible-success {
    border-color: var(--hi-color-success);

    .hi-collapsible-icon {
        color: var(--hi-color-success);
    }
}

// ============================================
// Accordion Group
// ============================================

.hi-accordion {
    display: flex;
    flex-direction: column;
    gap: $hikari-spacing-sm;

    // Only one collapsible can be expanded at a time
    &.hi-accordion-mutual-exclusive {
        .hi-collapsible:not(.hi-collapsible-expanded) {
            .hi-collapsible-content {
                display: none;
            }
        }
    }
}

// ============================================
// Animation Variants
// ============================================

// Fade animation
.hi-collapsible-fade {
    .hi-collapsible-content {
        transition: opacity $hikari-transition-base;
    }

    &.hi-collapsible-expanded .hi-collapsible-content {
        opacity: 1;
    }

    &:not(.hi-collapsible-expanded) .hi-collapsible-content {
        opacity: 0;
        display: none;
    }
}

// Slide animation (default is in the base styles)
.hi-collapsible-slide {
    // This is the default behavior
}

// Scale animation
.hi-collapsible-scale {
    .hi-collapsible-content {
        transform-origin: top;
        transition:
            max-height $hikari-transition-slow,
            opacity $hikari-transition-base,
            transform $hikari-transition-base;
    }

    &:not(.hi-collapsible-expanded) .hi-collapsible-content {
        transform: scaleY(0);
    }

    &.hi-collapsible-expanded .hi-collapsible-content {
        transform: scaleY(1);
    }
}

// ============================================
// Responsive Design
// ============================================

@include mobile {
    .hi-collapsible-header {
        padding: $hikari-spacing-sm $hikari-spacing-md;
    }

    .hi-collapsible-body {
        padding: $hikari-spacing-md;
    }

    .hi-collapsible-title {
        font-size: $hikari-font-size-sm;
    }
}