/**
 * Entity Item - Shared Base Component
 * Unified styling for entity items in chips, lists, and previews
 *
 * Variants:
 * - .entity-item (base) - default list-row style
 * - .entity-item.chip-style - pill/chip style (compact)
 * - .entity-item.card-style - card/grid style
 */

@use '../variables' as *;
@use '../mixins' as *;

// =============================================================================
// Entity Item Sizing
// =============================================================================

$entity-item-image-sm: 20px;
$entity-item-image-md: 32px;
$entity-item-image-lg: 48px;

// =============================================================================
// Base Entity Item (list-row layout)
// =============================================================================

.entity-item {
    display: flex;
    align-items: center;
    gap: $es-spacing-sm;
    padding: $es-spacing-sm;
    background: $es-white;
    border-radius: $es-radius-sm;
    transition: background $es-transition-fast;

    &:hover {
        background: $es-bg-hover;
    }

    // Clickable variant
    &.clickable {
        cursor: pointer;
    }

    // Selected state
    &.selected {
        background: $es-primary-light;
    }
}

// -----------------------------------------------------------------------------
// Entity Item Image
// -----------------------------------------------------------------------------

.entity-item-image {
    flex-shrink: 0;
    width: $entity-item-image-md;
    height: $entity-item-image-md;
    object-fit: cover;
    border-radius: $es-radius-sm;
    background: $es-slate-100;
}

// Size variants
.entity-item-image--sm {
    width: $entity-item-image-sm;
    height: $entity-item-image-sm;
    border-radius: 50%;
}

.entity-item-image--lg {
    width: $entity-item-image-lg;
    height: $entity-item-image-lg;
}

// No-image placeholder
.entity-item-no-image {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: $entity-item-image-md;
    height: $entity-item-image-md;
    background: $es-slate-100;
    color: $es-text-muted;
    border-radius: $es-radius-sm;
    font-size: $es-font-size-sm;

    &--sm {
        width: $entity-item-image-sm;
        height: $entity-item-image-sm;
        font-size: 10px;
        border-radius: 50%;
    }
}

// -----------------------------------------------------------------------------
// Entity Item Info (name + meta)
// -----------------------------------------------------------------------------

.entity-item-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.entity-item-name {
    font-size: $es-font-size-sm;
    font-weight: $es-font-weight-medium;
    color: $es-text-primary;
    @include text-truncate;
}

.entity-item-meta {
    font-size: $es-font-size-xs;
    color: $es-text-muted;
    @include text-truncate;
}

// -----------------------------------------------------------------------------
// Entity Item Badge/Price (right side)
// -----------------------------------------------------------------------------

.entity-item-badge {
    flex-shrink: 0;
    padding: 0.125rem 0.5rem;
    font-size: $es-font-size-xs;
    font-weight: $es-font-weight-medium;
    background: $es-slate-100;
    color: $es-text-muted;
    border-radius: $es-radius-sm;
}

.entity-item-price {
    flex-shrink: 0;
    font-size: $es-font-size-sm;
    font-weight: $es-font-weight-semibold;
    color: $es-primary;
}

// -----------------------------------------------------------------------------
// Entity Item Actions (remove button, etc.)
// -----------------------------------------------------------------------------

.entity-item-action {
    @include button-reset;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: $es-text-muted;
    border-radius: 50%;
    transition: all $es-transition-fast;

    &:hover {
        background: rgba(0, 0, 0, 0.1);
        color: $es-danger;
    }

    i {
        font-size: 10px;
    }
}

// =============================================================================
// Chip Style Variant (compact pill)
// =============================================================================

.entity-item.chip-style {
    display: inline-flex;
    gap: 0.375rem;
    padding: 0.25rem 0.5rem;
    background: $es-slate-100;
    border-radius: $es-radius-full;

    &:hover {
        background: $es-slate-200;
    }

    .entity-item-image {
        width: $entity-item-image-sm;
        height: $entity-item-image-sm;
        border-radius: 50%;
    }

    .entity-item-no-image {
        width: $entity-item-image-sm;
        height: $entity-item-image-sm;
        font-size: 10px;
        border-radius: 50%;
    }

    .entity-item-info {
        flex-direction: row;
        align-items: center;
        gap: 0.25rem;
    }

    .entity-item-name {
        font-size: $es-font-size-xs;
    }

    .entity-item-meta {
        display: none;
    }

    .entity-item-action {
        width: 16px;
        height: 16px;
        margin-left: 0.125rem;
    }
}

// =============================================================================
// List Style Variant (bordered rows)
// =============================================================================

.entity-item.list-style {
    padding: $es-spacing-sm 0;
    background: transparent;
    border-bottom: 1px solid $es-border-color;
    border-radius: 0;

    &:last-child {
        border-bottom: none;
    }

    &:hover {
        background: $es-bg-hover;
    }
}

// =============================================================================
// Entity Item Container (wrapper for multiple items)
// =============================================================================

.entity-items-container {
    display: flex;
    flex-direction: column;
    background: $es-slate-50;
    border: 1px solid $es-border-color;
    border-radius: $es-radius-md;
    overflow: hidden;
}

// Toolbar (filter, sort, count, clear)
.entity-items-toolbar {
    display: none;
    align-items: center;
    flex-wrap: nowrap;
    gap: $es-spacing-sm;
    padding: $es-spacing-sm $es-spacing-md;
    padding-bottom: 0;
    background: transparent;

    &.has-items {
        display: flex;
    }
}

// Filter input
.entity-items-filter {
    all: unset;
    display: block;
    flex: 1 1 auto;
    min-width: 80px;
    width: auto;
    height: auto;
    padding: 0.2rem 0.5rem 0.2rem 1.5rem;
    background: $es-white url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E") no-repeat 0.375rem center;
    background-size: 10px;
    border: 1px solid $es-slate-300;
    border-radius: $es-radius-sm;
    font-size: 11px;
    line-height: 1.4;
    color: $es-text-primary;
    box-sizing: border-box;
    transition: all $es-transition-fast;

    &::placeholder {
        color: $es-text-muted;
        font-size: 11px;
    }

    &:focus {
        outline: none;
        border-color: $es-primary;
        box-shadow: 0 0 0 2px rgba($es-primary, 0.1);
    }
}

// Sort dropdown
.entity-items-sort {
    all: unset;
    flex: 0 0 auto;
    padding: 0.2rem 1.25rem 0.2rem 0.5rem;
    border: 1px solid $es-border-color;
    border-radius: $es-radius-sm;
    background: $es-white url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8' viewBox='0 0 8 8'%3E%3Cpath fill='%23666' d='M0 2l4 4 4-4z'/%3E%3C/svg%3E") no-repeat right 0.375rem center;
    background-size: 8px;
    font-size: 10px;
    line-height: 1.4;
    color: $es-text-secondary;
    cursor: pointer;
    box-sizing: border-box;
    white-space: nowrap;

    &:hover {
        border-color: $es-primary;
    }

    &:focus {
        outline: none;
        border-color: $es-primary;
        box-shadow: 0 0 0 2px rgba($es-primary, 0.1);
    }
}

// Count badge
.entity-items-count {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    gap: 0.125rem;
    padding: 0.2rem 0.5rem;
    background: $es-slate-200;
    color: $es-text-secondary;
    font-size: 10px;
    font-weight: $es-font-weight-semibold;
    border-radius: $es-radius-sm;
    white-space: nowrap;
    line-height: 1.4;

    &.has-filter {
        background: $es-cyan-100;
        color: $es-cyan-700;
    }
}

// Clear button
.entity-items-clear {
    @include button-reset;
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    gap: 0.25rem;
    padding: 0.2rem 0.5rem;
    color: $es-danger;
    font-size: 10px;
    font-weight: $es-font-weight-medium;
    background: rgba($es-danger, 0.1);
    border-radius: $es-radius-sm;
    transition: all $es-transition-fast;
    white-space: nowrap;
    line-height: 1.4;

    &:hover {
        background: $es-danger;
        color: $es-white;
    }

    i {
        font-size: 9px;
        flex-shrink: 0;
    }
}

// Items list area
.entity-items-list {
    display: flex;
    flex-wrap: wrap;
    gap: $es-spacing-xs;
    padding: $es-spacing-sm $es-spacing-md $es-spacing-md;
    min-height: 40px;
    max-height: 300px;
    overflow-y: auto;
    @include custom-scrollbar;

    &:empty {
        display: none;
    }

    // List layout (vertical)
    &.list-layout {
        flex-direction: column;
        flex-wrap: nowrap;
        gap: 0;
        padding: $es-spacing-sm;
    }
}

// Load more section
.entity-items-load-more {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: $es-spacing-sm;
    padding: $es-spacing-sm $es-spacing-md;
    background: transparent;
    border-top: 1px dashed $es-border-color;

    .load-more-label {
        font-size: $es-font-size-xs;
        color: $es-text-muted;
    }

    .load-more-select {
        appearance: none;
        padding: 0.25rem 1.75rem 0.25rem 0.5rem;
        border: 1px solid $es-border-color;
        border-radius: $es-radius-sm;
        background: $es-white url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8' viewBox='0 0 8 8'%3E%3Cpath fill='%23666' d='M0 2l4 4 4-4z'/%3E%3C/svg%3E") no-repeat right 0.5rem center;
        background-size: 8px;
        font-size: $es-font-size-xs;
        font-weight: $es-font-weight-medium;
        color: $es-primary;
        cursor: pointer;
        transition: all $es-transition-fast;
        height: auto;
        min-height: 0;
        line-height: 1.3;

        &:hover {
            border-color: $es-primary;
            background-color: $es-primary-light;
        }

        &:focus {
            outline: none;
            border-color: $es-primary;
            box-shadow: 0 0 0 2px rgba($es-primary, 0.1);
        }
    }

    .load-more-remaining {
        font-size: $es-font-size-xs;
        color: $es-text-muted;

        .remaining-count {
            font-weight: $es-font-weight-semibold;
            color: $es-text-secondary;
        }
    }

    .btn-load-more {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: $es-spacing-xs;
        margin: 0;
        border: none;
        color: $es-primary;
        background: $es-primary-light;
        border-radius: $es-radius-sm;
        cursor: pointer;
        transition: all $es-transition-fast;
        font: inherit;

        i {
            font-size: 14px;
        }

        &:hover {
            background: rgba($es-primary, 0.2);
        }

        &.loading {
            cursor: wait;

            i {
                animation: spin 0.6s linear infinite;
            }
        }
    }
}

// =============================================================================
// Empty & Loading States
// =============================================================================

.entity-items-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: $es-spacing-sm;
    padding: $es-spacing-xl;
    text-align: center;
    color: $es-text-muted;

    i {
        font-size: 2rem;
        opacity: 0.5;
    }

    p {
        margin: 0;
        font-size: $es-font-size-sm;
    }
}

.entity-items-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: $es-spacing-xl;
    color: $es-text-muted;

    i {
        font-size: 20px;
        animation: spin 0.6s linear infinite;
    }
}
