/**
 * JK Module Filter - Base Stylesheet
 *
 * Uses CSS Custom Properties (variables) throughout for easy customization.
 * Override any --jkmf-* variable in your template's CSS or via the module's
 * "Custom CSS" parameter to change the look without modifying this file.
 *
 * @package    JKModuleFilter
 * @author     Michael Sønderup Nielsen
 * @copyright  Copyright (C) 2026 Joomlakonsulenten
 * @license    GNU General Public License v2 or later
 */

/* ==========================================================================
   CSS Custom Properties (Defaults)
   Override these in your template or the module's Custom CSS field.
   ========================================================================== */

.jkmf-wrapper,
.jkmf-sheet {
    /* Grid */
    --jkmf-columns: 3;
    --jkmf-columns-tablet: 2;
    --jkmf-columns-mobile: 1;
    --jkmf-gap: 20px;

    /* Filter sidebar */
    --jkmf-filter-width: 280px;
    --jkmf-filter-bg: transparent;
    --jkmf-filter-padding: 0;
    --jkmf-filter-gap: 0;

    /* Group toggle */
    --jkmf-group-bg: transparent;
    --jkmf-group-hover-bg: #f5f5f5;
    --jkmf-group-border: 1px solid #e0e0e0;
    --jkmf-group-radius: 0;
    --jkmf-group-padding: 12px 16px;
    --jkmf-group-font-size: 1rem;
    --jkmf-group-font-weight: 600;
    --jkmf-group-color: #333;

    /* Toggle icon */
    --jkmf-toggle-size: 12px;
    --jkmf-toggle-color: #666;

    /* Options (checkboxes) */
    --jkmf-option-padding: 6px 16px 6px 20px;
    --jkmf-option-font-size: 0.9rem;
    --jkmf-option-color: #444;
    --jkmf-option-hover-bg: #f9f9f9;

    /* Option count badge */
    --jkmf-count-bg: #e8e8e8;
    --jkmf-count-color: #666;
    --jkmf-count-radius: 10px;
    --jkmf-count-font-size: 0.75rem;
    --jkmf-count-padding: 1px 8px;

    /* Group button (optionless group as direct filter) */
    --jkmf-groupbtn-bg: transparent;
    --jkmf-groupbtn-color: #333;
    --jkmf-groupbtn-hover-bg: #f5f5f5;
    --jkmf-groupbtn-active-bg: #333;
    --jkmf-groupbtn-active-color: #fff;

    /* Reset button */
    --jkmf-reset-color: #666;
    --jkmf-reset-hover-color: #c00;
    --jkmf-reset-font-size: 0.85rem;
    --jkmf-reset-padding: 12px 16px;

    /* Card / module item */
    --jkmf-card-bg: #fff;
    --jkmf-card-border: 1px solid #e0e0e0;
    --jkmf-card-radius: 0;
    --jkmf-card-padding: 0;
    --jkmf-card-shadow: none;
    --jkmf-card-hover-shadow: 0 2px 8px rgba(0,0,0,0.1);

    /* No results */
    --jkmf-noresults-color: #888;
    --jkmf-noresults-font-size: 1rem;

    /* Animation */
    --jkmf-duration: 300ms;

    /* Mobile bottom sheet */
    --jkmf-sheet-bg: #fff;
    --jkmf-sheet-max-height: 70vh;
    --jkmf-sheet-radius: 16px 16px 0 0;
    --jkmf-sheet-shadow: 0 -4px 20px rgba(0,0,0,0.15);
    --jkmf-trigger-bg: #333;
    --jkmf-trigger-color: #fff;
    --jkmf-trigger-height: 50px;
    --jkmf-trigger-font-size: 0.95rem;
}


/* ==========================================================================
   Wrapper Layout
   ========================================================================== */

.jkmf-wrapper {
    display: flex;
    gap: var(--jkmf-gap);
    width: 100%;
    box-sizing: border-box;
}


/* ==========================================================================
   Filter Sidebar
   ========================================================================== */

.jkmf-filters {
    flex: 0 0 var(--jkmf-filter-width);
    width: var(--jkmf-filter-width);
    min-width: var(--jkmf-filter-width);
    background: var(--jkmf-filter-bg);
    padding: var(--jkmf-filter-padding);
    box-sizing: border-box;
    align-self: flex-start;
}

/* When filter is on top, make it full width */
.jkmf-wrapper[style*="flex-direction: column"] .jkmf-filters {
    flex: none;
    width: 100%;
    min-width: 100%;
}

/* Filter group container */
.jkmf-filter-group {
    margin-bottom: var(--jkmf-filter-gap);
}

/* Group toggle button (accordion header) */
.jkmf-group-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--jkmf-group-padding);
    background: var(--jkmf-group-bg);
    border: none;
    border-bottom: var(--jkmf-group-border);
    border-radius: var(--jkmf-group-radius);
    cursor: pointer;
    font-size: var(--jkmf-group-font-size);
    font-weight: var(--jkmf-group-font-weight);
    color: var(--jkmf-group-color);
    text-align: left;
    transition: background 0.2s ease;
    font-family: inherit;
    line-height: 1.4;
}

.jkmf-group-toggle:hover {
    background: var(--jkmf-group-hover-bg);
}

/* Toggle icon: + / - */
.jkmf-toggle-icon {
    position: relative;
    width: var(--jkmf-toggle-size);
    height: var(--jkmf-toggle-size);
    flex-shrink: 0;
    margin-left: 12px;
}

.jkmf-toggle-icon::before,
.jkmf-toggle-icon::after {
    content: '';
    position: absolute;
    background: var(--jkmf-toggle-color);
    transition: transform 0.2s ease;
}

/* Horizontal bar (always visible = minus) */
.jkmf-toggle-icon::before {
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    transform: translateY(-50%);
}

/* Vertical bar (rotates to form plus) */
.jkmf-toggle-icon::after {
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    transform: translateX(-50%);
}

/* When open, rotate the vertical bar to hide it (becomes horizontal = minus) */
.jkmf-group-toggle.jkmf-open .jkmf-toggle-icon::after {
    transform: translateX(-50%) rotate(90deg);
}

/* Options container (collapsible) */
.jkmf-group-options {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.jkmf-group-options.jkmf-expanded {
    max-height: 5000px;
    overflow: visible;
}

/* Multi-column checkbox layout. Per-group column count set via inline style. */
.jkmf-group-options {
    --jkmf-option-columns: 2;
}

.jkmf-group-options.jkmf-expanded {
    display: grid;
    grid-template-columns: repeat(var(--jkmf-option-columns), 1fr);
    gap: 0;
    padding: 8px 0;
}

/* Individual option (checkbox + label) */
.jkmf-option {
    display: flex;
    align-items: center;
    padding: var(--jkmf-option-padding);
    cursor: pointer;
    font-size: var(--jkmf-option-font-size);
    color: var(--jkmf-option-color);
    transition: background 0.15s ease;
    gap: 8px;
    line-height: 1.4;
    min-width: 0;
}

.jkmf-option:hover {
    background: var(--jkmf-option-hover-bg);
}

/* Checkbox input */
.jkmf-checkbox {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    margin: 0;
    cursor: pointer;
    accent-color: var(--jkmf-group-color);
}

/* Option label text */
.jkmf-option-label {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Collapsible option list with max-height */
.jkmf-group-options.jkmf-collapsible {
    overflow-y: auto;
    overflow-x: hidden;
}

.jkmf-collapsible-wrap {
    position: relative;
}

.jkmf-fade-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: linear-gradient(to bottom, transparent, #fff);
    pointer-events: none;
    z-index: 1;
    transition: opacity 0.2s ease;
}

.jkmf-fade-overlay.jkmf-fade-hidden {
    opacity: 0;
}

.jkmf-show-all {
    display: block;
    width: 100%;
    padding: 8px 16px;
    background: none;
    border: none;
    border-top: 1px dashed #ddd;
    color: #0066cc;
    font-size: 0.85rem;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
}

.jkmf-show-all:hover {
    color: #004499;
    text-decoration: underline;
}

/* Count badge */
.jkmf-option-count {
    background: var(--jkmf-count-bg);
    color: var(--jkmf-count-color);
    border-radius: var(--jkmf-count-radius);
    font-size: var(--jkmf-count-font-size);
    padding: var(--jkmf-count-padding);
    min-width: 20px;
    text-align: center;
    flex-shrink: 0;
}

/* Group button (optionless group as direct filter) */
.jkmf-group-button {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--jkmf-group-padding);
    background: var(--jkmf-groupbtn-bg);
    border: none;
    border-bottom: var(--jkmf-group-border);
    cursor: pointer;
    font-size: var(--jkmf-group-font-size);
    font-weight: var(--jkmf-group-font-weight);
    color: var(--jkmf-groupbtn-color);
    text-align: left;
    transition: background 0.2s ease, color 0.2s ease;
    font-family: inherit;
    line-height: 1.4;
}

.jkmf-group-button:hover {
    background: var(--jkmf-groupbtn-hover-bg);
}

.jkmf-group-button.jkmf-active {
    background: var(--jkmf-groupbtn-active-bg);
    color: var(--jkmf-groupbtn-active-color);
}

.jkmf-group-button.jkmf-active .jkmf-option-count {
    background: rgba(255, 255, 255, 0.2);
    color: inherit;
}

/* Reset button */
.jkmf-reset {
    display: block;
    width: 100%;
    padding: var(--jkmf-reset-padding);
    background: none;
    border: none;
    color: var(--jkmf-reset-color);
    font-size: var(--jkmf-reset-font-size);
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    transition: color 0.2s ease;
}

.jkmf-reset:hover:not(:disabled) {
    color: var(--jkmf-reset-hover-color);
}

.jkmf-reset:disabled {
    opacity: 0.4;
    cursor: default;
}


/* ==========================================================================
   Module Grid
   ========================================================================== */

.jkmf-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(var(--jkmf-columns), 1fr);
    gap: var(--jkmf-gap);
    align-content: start;
}

/* Module card / item */
.jkmf-item {
    background: var(--jkmf-card-bg);
    border: var(--jkmf-card-border);
    border-radius: var(--jkmf-card-radius);
    padding: var(--jkmf-card-padding);
    box-shadow: var(--jkmf-card-shadow);
    transition: box-shadow 0.2s ease, opacity var(--jkmf-duration) ease;
    box-sizing: border-box;
    overflow: hidden;
}

.jkmf-item:hover {
    box-shadow: var(--jkmf-card-hover-shadow);
}

/* Hidden items collapse out of the grid flow */
.jkmf-item.jkmf-hidden {
    display: none;
}

/* No results message */
.jkmf-no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px 20px;
    color: var(--jkmf-noresults-color);
    font-size: var(--jkmf-noresults-font-size);
}


/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
    .jkmf-grid {
        grid-template-columns: repeat(var(--jkmf-columns-tablet), 1fr);
    }
}

@media (max-width: 768px) {
    /* Stack filter above grid on mobile */
    .jkmf-wrapper {
        flex-direction: column !important;
    }

    .jkmf-grid {
        grid-template-columns: repeat(var(--jkmf-columns-mobile), 1fr);
        order: 2 !important;
    }

    /* Hide the inline filter sidebar on mobile — replaced by bottom sheet */
    .jkmf-filters {
        display: none !important;
    }

    /* Fixed trigger bar at bottom of screen */
    /* Uses hardcoded values since element lives on <body>, outside .jkmf-wrapper */
    .jkmf-mobile-trigger {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 9998;
        height: 50px;
        background: #333;
        color: #fff;
        align-items: center;
        justify-content: center;
        gap: 8px;
        font-size: 0.95rem;
        font-weight: 600;
        font-family: inherit;
        border: none;
        cursor: pointer;
        box-shadow: 0 -2px 10px rgba(0,0,0,0.15);
        opacity: 1;
    }

    .jkmf-mobile-trigger-icon {
        font-size: 1.2em;
    }

    /* Overlay backdrop */
    .jkmf-sheet-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 9998;
        background: rgba(0,0,0,0.4);
    }

    .jkmf-sheet-overlay.jkmf-sheet-visible {
        display: block;
    }

    /* Slide-up panel */
    .jkmf-sheet {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 9999;
        background: #fff;
        border-radius: 16px 16px 0 0;
        box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
        max-height: 70vh;
        overflow-y: auto;
        transform: translateY(100%);
        transition: transform 0.3s ease;
        padding: 16px;
        padding-bottom: 66px;
        box-sizing: border-box;
    }

    .jkmf-sheet.jkmf-sheet-visible {
        transform: translateY(0);
    }

    /* Show filters inside the sheet */
    .jkmf-sheet .jkmf-filters {
        display: block !important;
        position: static;
        flex: none;
        width: 100%;
        min-width: 100%;
        padding: 0;
        background: transparent;
    }

    /* Sheet header with close button */
    .jkmf-sheet-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-bottom: 12px;
        margin-bottom: 8px;
        border-bottom: 1px solid #e0e0e0;
    }

    .jkmf-sheet-title {
        font-size: 1.1rem;
        font-weight: 600;
        color: #333;
    }

    .jkmf-sheet-close {
        background: none;
        border: none;
        font-size: 1.5rem;
        color: #666;
        cursor: pointer;
        padding: 4px 8px;
        line-height: 1;
    }

    /* Add bottom padding to wrapper so content isn't hidden behind trigger */
    .jkmf-wrapper {
        padding-bottom: calc(var(--jkmf-trigger-height) + 10px);
    }
}

/* Hide mobile elements on desktop */
@media (min-width: 769px) {
    .jkmf-mobile-trigger,
    .jkmf-sheet-overlay,
    .jkmf-sheet {
        display: none !important;
    }
}


/* ==========================================================================
   Top Filter Layout (horizontal filter groups)
   When filter position is "top", groups display inline.
   ========================================================================== */

.jkmf-wrapper[style*="flex-direction: column"] .jkmf-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--jkmf-gap);
    align-items: flex-start;
}

.jkmf-wrapper[style*="flex-direction: column"] .jkmf-filter-group {
    flex: 0 0 auto;
    margin-bottom: 0;
}

.jkmf-wrapper[style*="flex-direction: column"] .jkmf-reset {
    flex: 0 0 auto;
    width: auto;
    align-self: center;
}