/* ============================================================
   COLLECTION SYSTEM - Bootstrap-based List & Grid Views
   ============================================================ */

/* ============================================================
   COLLECTION CONTAINER
   ============================================================ */

.collection {
    display: block;
    width: 100%;
}

/* ============================================================
   COLLECTION HEADER - Only visible in list view
   ============================================================ */

.collection-list-header {
    display: none;
    grid-template-columns: var(--collection-header-columns, 2fr 2fr 1fr 1fr);
    gap: var(--space-2, 8px);
    padding: var(--space-2, 8px) var(--space-3, 12px);
    font-size: var(--font-size-xs, 0.75rem);
    font-weight: var(--font-weight-semibold, 600);
    letter-spacing: var(--letter-spacing-wide, 0.5px);
    text-transform: uppercase;
    color: var(--color-text-muted, #6B7280);
    border-bottom: 2px solid var(--color-border, #D8DDE3);
    background: transparent;
    margin-bottom: 0;
}

.collection[data-view="list"] .collection-list-header {
    display: grid;
}

.collection-list-header .header-cell {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

    .collection-list-header .header-cell.text-center {
        text-align: center;
    }

    .collection-list-header .header-cell.text-end {
        text-align: right;
    }

/* ============================================================
   GRID VIEW - Cards
   ============================================================ */

.collection-grid {
    display: none !important;
}

.collection[data-view="grid"] .collection-grid {
    display: flex !important;
    flex-wrap: wrap;
}

.collection[data-view="grid"] .collection-table {
    display: none !important;
}

.collection[data-view="grid"] .collection-item {
    cursor: pointer;
    transition: transform var(--transition-fast, 0.15s ease), box-shadow var(--transition-fast, 0.15s ease);
    height: 100%;
    min-height: 120px;
}

    .collection[data-view="grid"] .collection-item:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-md, 0 4px 20px rgba(0, 0, 0, 0.08));
    }

    .collection[data-view="grid"] .collection-item:active {
        transform: translateY(-1px) scale(0.99);
    }

/* Grid card icon */
.collection[data-view="grid"] .item-icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm, 6px);
}

    .collection[data-view="grid"] .item-icon i {
        font-size: var(--font-size-lg, 1rem);
    }

/* Grid card title */
.collection[data-view="grid"] .card-title {
    font-size: var(--font-size-base, 0.875rem);
    font-weight: var(--font-weight-semibold, 600);
}

/* Grid card meta badges */
.collection[data-view="grid"] .badge.bg-light {
    background: var(--color-surface-alt, #FAFBFC) !important;
    color: var(--color-text-secondary, #4B5563) !important;
    font-weight: var(--font-weight-medium, 500);
    padding: 0.35rem 0.65rem;
}

/* ============================================================
   LIST VIEW - Table
   ============================================================ */

.collection-table {
    display: block;
}

.collection[data-view="list"] .collection-grid {
    display: none !important;
}

.collection[data-view="list"] .collection-table {
    display: block;
}

.collection[data-view="list"] .collection-item {
    cursor: pointer;
    transition: background var(--transition-fast, 0.15s ease);
}

    .collection[data-view="list"] .collection-item:hover {
        background: var(--color-surface-hover, #F8FAFC);
    }

    .collection[data-view="list"] .collection-item:active {
        background: var(--color-surface-hover, #F8FAFC);
    }

    /* Table row clickable indicator */
    .collection[data-view="list"] .collection-item td:first-child {
        position: relative;
    }

/* List view icon */
.collection[data-view="list"] .item-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm, 6px);
}

    .collection[data-view="list"] .item-icon i {
        font-size: 14px;
    }

/* List view badges */
.collection[data-view="list"] .badge.bg-secondary.bg-opacity-10 {
    background: var(--color-surface-alt, #FAFBFC) !important;
    color: var(--color-text-secondary, #4B5563) !important;
    font-weight: var(--font-weight-medium, 500);
    padding: 0.25rem 0.6rem;
}

/* Collection header should match table columns */
.collection[data-view="list"] .collection-list-header {
    grid-template-columns: var(--collection-list-columns, 2fr 2fr 1fr 1fr);
}

/* ============================================================
   THEME SUPPORT
   ============================================================ */

[data-theme="dark"] .collection[data-view="grid"] .badge.bg-light {
    background: var(--color-surface-hover, #2D3B4F) !important;
    color: var(--color-text-secondary, #94A3B8) !important;
}

[data-theme="dark"] .collection[data-view="list"] .badge.bg-secondary.bg-opacity-10 {
    background: var(--color-surface-hover, #2D3B4F) !important;
    color: var(--color-text-secondary, #94A3B8) !important;
}

[data-theme="dark"] .collection[data-view="list"] .collection-item:hover {
    background: var(--color-surface-hover, #2D3B4F);
}

[data-theme="dark"] .collection[data-view="grid"] .collection-item {
    border-color: var(--color-border, #334155);
}

    [data-theme="dark"] .collection[data-view="grid"] .collection-item:hover {
        border-color: var(--color-primary, #3A6B8C);
    }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 575.98px) {
    .collection[data-view="list"] .collection-item td {
        white-space: normal;
        word-break: break-word;
    }

    .collection[data-view="grid"] .collection-grid {
        display: flex !important;
        flex-wrap: wrap;
    }

        .collection[data-view="grid"] .collection-grid .col-12 {
            flex: 0 0 100%;
            max-width: 100%;
        }

    .collection[data-view="grid"] .card-body {
        padding: 1rem;
    }

    .collection[data-view="grid"] .card-title {
        font-size: 0.95rem;
    }

    .collection[data-view="grid"] .item-icon {
        width: 36px;
        height: 36px;
    }

        .collection[data-view="grid"] .item-icon i {
            font-size: var(--font-size-md, 0.875rem);
        }

    /* Mobile: hide the collection header */
    .collection[data-view="list"] .collection-list-header {
        display: none;
    }
}

@media (min-width: 576px) and (max-width: 767.98px) {
    .collection[data-view="grid"] .collection-grid .col-sm-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

@media (min-width: 768px) and (max-width: 991.98px) {
    .collection[data-view="grid"] .collection-grid .col-lg-4 {
        flex: 0 0 33.333333%;
        max-width: 33.333333%;
    }
}

@media (min-width: 992px) {
    .collection[data-view="grid"] .collection-grid .col-xl-3 {
        flex: 0 0 25%;
        max-width: 25%;
    }
}

/* ============================================================
   TOUCH DEVICES
   ============================================================ */

@media (pointer: coarse) {
    .collection[data-view="grid"] .collection-item:hover {
        transform: none;
    }

    .collection[data-view="grid"] .collection-item:active {
        transform: scale(0.98);
    }

    .collection[data-view="list"] .collection-item:hover {
        background: transparent;
    }

    .collection[data-view="list"] .collection-item:active {
        background: var(--color-surface-hover, #F8FAFC);
    }
}

[data-theme="dark"] .collection[data-view="list"] .collection-item:active {
    background: var(--color-surface-hover, #2D3B4F);
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
    .collection[data-view="grid"] .collection-item {
        transition: none;
    }

        .collection[data-view="grid"] .collection-item:hover {
            transform: none;
        }

        .collection[data-view="grid"] .collection-item:active {
            transform: none;
        }

    .collection[data-view="list"] .collection-item {
        transition: none;
    }
}

/* ============================================================
   PRINT
   ============================================================ */

@media print {
    .collection[data-view="grid"] .collection-item {
        break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }

        .collection[data-view="grid"] .collection-item:hover {
            transform: none !important;
            box-shadow: none !important;
        }

    .collection[data-view="list"] .collection-item {
        break-inside: avoid;
        background: transparent !important;
    }

        .collection[data-view="list"] .collection-item:hover {
            background: transparent !important;
        }

    .collection[data-view="list"] .collection-list-header {
        border-bottom: 2px solid #333 !important;
        color: #000 !important;
    }
}



/* ============================================================
   VIEW SWITCHER 
   ============================================================ */
.view-switcher-dropdown {
    display: flex;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
}

.view-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    min-height: 32px;
    min-width: 32px;
}

    .view-btn:hover {
        background: var(--color-surface-hover);
        color: var(--color-text);
    }

    .view-btn.active {
        background: var(--color-primary);
        color: var(--color-text-inverse);
        border-color: var(--color-primary);
        box-shadow: 0 2px 8px rgba(58, 107, 140, 0.25);
    }

        .view-btn.active:hover {
            background: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            color: var(--color-text-inverse);
        }

    .view-btn:focus-visible {
        outline: 2px solid var(--color-primary);
        outline-offset: 2px;
    }

/* ============================================================
   THEME TOGGLE
   ============================================================ */
.theme-toggle-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) var(--space-3);
    gap: var(--space-3);
}

.theme-toggle-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

.theme-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
}

/* Toggle Switch */
.theme-toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

    .theme-toggle-switch input {
        opacity: 0;
        width: 0;
        height: 0;
    }

.theme-toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-border);
    border-radius: var(--radius-full);
    transition: var(--transition);
}

    .theme-toggle-slider::before {
        content: '';
        position: absolute;
        height: 18px;
        width: 18px;
        left: 3px;
        bottom: 3px;
        background: var(--color-surface);
        border-radius: var(--radius-full);
        transition: var(--transition);
        box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
    }

.theme-toggle-switch input:checked + .theme-toggle-slider {
    background: var(--color-primary);
}

    .theme-toggle-switch input:checked + .theme-toggle-slider::before {
        transform: translateX(20px);
    }

.theme-toggle-switch input:focus-visible + .theme-toggle-slider {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 575.98px) {
    .view-switcher-dropdown {
        padding: var(--space-1);
    }

    .view-btn {
        padding: var(--space-1);
        min-height: 36px;
        min-width: 36px;
    }

    .theme-toggle-item {
        padding: var(--space-1) var(--space-2);
    }

    .theme-toggle-switch {
        width: 40px;
        height: 22px;
    }

    .theme-toggle-slider::before {
        height: 16px;
        width: 16px;
        left: 3px;
        bottom: 3px;
    }

    .theme-toggle-switch input:checked + .theme-toggle-slider::before {
        transform: translateX(18px);
    }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    .view-btn {
        transition: none;
    }

    .theme-toggle-slider {
        transition: none;
    }

        .theme-toggle-slider::before {
            transition: none;
        }
}

/* ============================================================
   COLLECTION ITEM STYLING 
   ============================================================ */
/* Collection item icon styling using design tokens */
.collection .item-icon.bg-primary-light,
.collection .menu-icon.bg-primary-light {
    background: var(--color-primary-light, #EBF2F7);
}

.collection .item-icon i,
.collection .menu-icon i {
    color: var(--color-primary, #3A6B8C);
}

/* Consistent hover behavior for collection items in grid view */
.collection[data-view="grid"] .collection-item {
    cursor: pointer;
    min-height: 100px;
    transition: transform var(--transition-fast, 0.15s ease), border-color var(--transition-fast, 0.15s ease), box-shadow var(--transition-fast, 0.15s ease);
}

    .collection[data-view="grid"] .collection-item:hover {
        transform: translateX(4px);
        border-color: var(--color-primary);
        box-shadow: var(--shadow-md);
    }

    .collection[data-view="grid"] .collection-item:active {
        transform: scale(0.98);
    }

/* Consistent hover behavior for collection items in list view */
.collection[data-view="list"] .collection-item {
    cursor: pointer;
    transition: background var(--transition-fast, 0.15s ease);
}

    .collection[data-view="list"] .collection-item:hover {
        background: var(--color-surface-hover, #F8FAFC);
    }

    .collection[data-view="list"] .collection-item:active {
        background: var(--color-surface-hover, #F8FAFC);
    }

/* ============================================================
   RESPONSIVE - Collection items
   ============================================================ */
@media (max-width: 575.98px) {
    .collection[data-view="grid"] .collection-item {
        min-height: 80px;
    }
}

/* ============================================================
   TOUCH DEVICES - Collection items
   ============================================================ */
@media (pointer: coarse) {
    .collection[data-view="grid"] .collection-item:hover {
        transform: none;
    }

    .collection[data-view="grid"] .collection-item:active {
        transform: scale(0.97);
    }

    .collection[data-view="list"] .collection-item:hover {
        background: transparent;
    }

    .collection[data-view="list"] .collection-item:active {
        background: var(--color-surface-hover, #F8FAFC);
    }
}

/* ============================================================
   REDUCED MOTION - Collection items
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    .collection[data-view="grid"] .collection-item {
        transition: none;
    }

        .collection[data-view="grid"] .collection-item:hover {
            transform: none;
        }

        .collection[data-view="grid"] .collection-item:active {
            transform: none;
        }

    .collection[data-view="list"] .collection-item {
        transition: none;
    }
}

/* ============================================================
   DARK THEME - Collection items
   ============================================================ */
[data-theme="dark"] .collection .item-icon.bg-primary-light,
[data-theme="dark"] .collection .menu-icon.bg-primary-light {
    background: var(--color-primary-light, #1A2E4A);
}

[data-theme="dark"] .collection .item-icon i,
[data-theme="dark"] .collection .menu-icon i {
    color: var(--color-primary, #3A6B8C);
}

[data-theme="dark"] .collection[data-view="list"] .collection-item:hover {
    background: var(--color-surface-hover, #2D3B4F);
}

[data-theme="dark"] .collection[data-view="list"] .collection-item:active {
    background: var(--color-surface-hover, #2D3B4F);
}