/**
 * ScooterDiscounter Theme - Mobile Filter Slide-in Panel v3
 * 
 * Features:
 * - Sticky filter bar bovenaan (zoals Zalando/Bol.com)
 * - Slide-in panel van links
 * - Desktop blijft onaangetast
 */

/* ==========================================================================
   MOBILE FILTER BAR (Sticky bovenaan)
   ========================================================================== */

.sd-mobile-filter-bar {
    display: none; /* Verborgen op desktop */
    background: var(--sd-white);
    border-bottom: 1px solid var(--sd-border);
    padding: 12px 0;
    z-index: 100;
}

.sd-mobile-filter-bar.is-sticky {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    animation: slideDown 0.2s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Spacer wanneer bar sticky is */
.sd-mobile-filter-bar.is-sticky + .sd-main-wrapper {
    padding-top: 60px;
}

/* ==========================================================================
   MOBILE FILTER TOGGLE BUTTON
   ========================================================================== */

.sd-mobile-filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--sd-white);
    border: 2px solid var(--sd-orange);
    border-radius: 25px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    color: var(--sd-orange);
    cursor: pointer;
    transition: all 0.15s ease;
}

.sd-mobile-filter-btn:hover,
.sd-mobile-filter-btn:focus {
    background: var(--sd-orange);
    color: var(--sd-white);
}

.sd-mobile-filter-btn:focus {
    outline: 2px solid var(--sd-orange);
    outline-offset: 2px;
}

.sd-mobile-filter-btn__icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.sd-mobile-filter-btn__icon svg {
    width: 18px;
    height: 18px;
}

.sd-mobile-filter-btn__count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    background: var(--sd-orange);
    color: var(--sd-white);
    font-size: 12px;
    font-weight: 700;
    border-radius: 11px;
    margin-left: 4px;
}

.sd-mobile-filter-btn:hover .sd-mobile-filter-btn__count,
.sd-mobile-filter-btn:focus .sd-mobile-filter-btn__count {
    background: var(--sd-white);
    color: var(--sd-orange);
}

.sd-mobile-filter-btn__count:empty {
    display: none;
}

/* ==========================================================================
   MOBILE FILTER OVERLAY
   ========================================================================== */

.sd-filter-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9998;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sd-filter-overlay.is-active {
    display: block;
    opacity: 1;
}

/* ==========================================================================
   MOBILE FILTER PANEL (Slide-in van links)
   ========================================================================== */

.sd-mobile-filter-panel {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 85%;
    max-width: 340px;
    height: 100%;
    background: var(--sd-white);
    z-index: 9999;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    flex-direction: column;
}

.sd-mobile-filter-panel.is-active {
    transform: translateX(0);
}

/* Panel Header */
.sd-mobile-filter-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--sd-bg);
    border-bottom: 1px solid var(--sd-border);
    flex-shrink: 0;
}

.sd-mobile-filter-panel__title {
    font-size: 18px;
    font-weight: 700;
    color: var(--sd-dark);
    margin: 0;
}

.sd-mobile-filter-panel__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--sd-white);
    border: 1px solid var(--sd-border);
    border-radius: 50%;
    color: var(--sd-text-muted);
    cursor: pointer;
    transition: all 0.15s ease;
}

.sd-mobile-filter-panel__close:hover,
.sd-mobile-filter-panel__close:focus {
    border-color: var(--sd-red);
    color: var(--sd-red);
    background: #fff5f5;
}

.sd-mobile-filter-panel__close:focus {
    outline: 2px solid var(--sd-red);
    outline-offset: 2px;
}

.sd-mobile-filter-panel__close svg {
    width: 20px;
    height: 20px;
}

/* Panel Content (scrollable) */
.sd-mobile-filter-panel__content {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    -webkit-overflow-scrolling: touch;
}

/* Sidebar styling binnen panel */
.sd-mobile-filter-panel__content .sd-sidebar {
    display: block !important;
}

.sd-mobile-filter-panel__content .sd-filters {
    gap: 12px;
}

.sd-mobile-filter-panel__content .sd-filter-block {
    border-radius: 8px;
}

.sd-mobile-filter-panel__content .sd-filter-header {
    padding: 14px 16px;
    font-size: 14px;
}

.sd-mobile-filter-panel__content .sd-filter-content {
    padding: 12px 16px;
}

.sd-mobile-filter-panel__content .sd-filter-option a {
    padding: 10px 0;
    font-size: 14px;
}

/* Panel Footer */
.sd-mobile-filter-panel__footer {
    padding: 16px 20px;
    background: var(--sd-white);
    border-top: 1px solid var(--sd-border);
    flex-shrink: 0;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.05);
}

.sd-mobile-filter-panel__apply {
    display: block;
    width: 100%;
    padding: 14px 24px;
    background: var(--sd-orange);
    color: var(--sd-white);
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.sd-mobile-filter-panel__apply:hover,
.sd-mobile-filter-panel__apply:focus {
    background: #e55f00;
}

.sd-mobile-filter-panel__apply:focus {
    outline: 2px solid var(--sd-orange);
    outline-offset: 2px;
}

/* ==========================================================================
   BODY SCROLL LOCK
   ========================================================================== */

body.sd-filter-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
}

/* ==========================================================================
   RESPONSIVE - Toon mobile filter elementen alleen op mobile/tablet
   ========================================================================== */

@media (max-width: 1024px) {
    .sd-mobile-filter-bar {
        display: block;
    }
    
    .sd-mobile-filter-panel {
        display: flex;
    }
}

/* Desktop: alles verborgen - desktop werkt exact zoals voorheen */
@media (min-width: 1025px) {
    .sd-mobile-filter-bar,
    .sd-mobile-filter-btn,
    .sd-mobile-filter-panel,
    .sd-filter-overlay {
        display: none !important;
    }
}