/* Product Filter Pro - Frontend Styles */
:root {
    --pfp-primary:           #E8521A;
    --pfp-primary-hover:     #c9430f;
    --pfp-text:              #1a1a1a;
    --pfp-text-light:        #666666;
    --pfp-border:            #e5e5e5;
    --pfp-bg:                #ffffff;
    --pfp-bg-input:          #f9f9f9;
    --pfp-star-filled:       #f5a623;
    --pfp-star-empty:        #dddddd;
    --pfp-clear-bg:          #ffffff;
    --pfp-clear-text:        #1a1a1a;
    --pfp-clear-border:      #cccccc;
    --pfp-font:              inherit;
    --pfp-font-size:         14px;
    --pfp-font-size-title:   13px;
    --pfp-radius-input:      6px;
    --pfp-radius-checkbox:   4px;
    --pfp-radius-btn:        8px;
    --pfp-section-gap:       24px;
}

/* ── Wrapper ─────────────────────────────────────────── */
.pfp-filter-wrap {
    font-family:  var(--pfp-font);
    font-size:    var(--pfp-font-size);
    color:        var(--pfp-text);
    background:   var(--pfp-bg);
    border:       1px solid var(--pfp-border);
    border-radius: 10px;
    padding:      20px 18px 16px;
    width:        100%;
    max-width:    280px;
    box-sizing:   border-box;
}

/* ── Header ──────────────────────────────────────────── */
.pfp-filter-header {
    display:        flex;
    align-items:    center;
    gap:            8px;
    margin-bottom:  var(--pfp-section-gap);
}
.pfp-icon-filter {
    width: 18px;
    height: 18px;
    color: var(--pfp-text);
    flex-shrink: 0;
}
.pfp-filter-title {
    font-size:   var(--pfp-font-size-title);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--pfp-text);
}

/* ── Sections ────────────────────────────────────────── */
.pfp-section {
    margin-bottom: var(--pfp-section-gap);
    padding-bottom: var(--pfp-section-gap);
    border-bottom: 1px solid var(--pfp-border);
}
.pfp-section:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}
.pfp-section-title {
    font-size:    var(--pfp-font-size-title);
    font-weight:  600;
    color:        var(--pfp-text);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: .05em;
}

/* ── Category list ───────────────────────────────────── */
.pfp-category-list {
    list-style: none;
    margin:  0;
    padding: 0;
}
.pfp-category-item {
    border-bottom: 1px solid var(--pfp-border);
}
.pfp-category-item:last-child { border-bottom: none; }

.pfp-category-link {
    display:        flex;
    align-items:    center;
    gap:            4px;
    padding:        9px 0;
    text-decoration: none;
    color:          var(--pfp-text);
    transition:     color .15s;
}
.pfp-category-link:hover { color: var(--pfp-primary); }

.pfp-category-name  { flex: 1; font-size: var(--pfp-font-size); }
.pfp-category-count { color: var(--pfp-text-light); font-size: .9em; }
.pfp-chevron {
    width: 14px; height: 14px;
    color: var(--pfp-text-light);
    transition: color .15s;
}
.pfp-category-link:hover .pfp-chevron { color: var(--pfp-primary); }

/* ── Price slider ────────────────────────────────────── */
.pfp-price-slider-wrap {
    position: relative;
    height:   28px;
    margin-bottom: 14px;
}
.pfp-range-track {
    position: absolute;
    top: 50%;
    left: 0; right: 0;
    transform: translateY(-50%);
    height: 4px;
    background: var(--pfp-border);
    border-radius: 2px;
    pointer-events: none;
}
.pfp-range-fill {
    position: absolute;
    height: 100%;
    background: var(--pfp-primary);
    border-radius: 2px;
}
.pfp-range {
    position:   absolute;
    top: 50%;
    transform:  translateY(-50%);
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    pointer-events: none;
    height: 20px;
}
.pfp-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    pointer-events: all;
    width:  18px; height: 18px;
    border-radius: 50%;
    background: var(--pfp-primary);
    border: 2px solid #fff;
    box-shadow: 0 1px 4px rgba(0,0,0,.25);
    cursor: pointer;
    transition: background .15s;
}
.pfp-range::-moz-range-thumb {
    pointer-events: all;
    width: 16px; height: 16px;
    border-radius: 50%;
    background: var(--pfp-primary);
    border: 2px solid #fff;
    box-shadow: 0 1px 4px rgba(0,0,0,.25);
    cursor: pointer;
}
.pfp-price-inputs {
    display: flex;
    gap: 10px;
}
.pfp-price-input-wrap { flex: 1; }
.pfp-price-input {
    width: 100%;
    box-sizing: border-box;
    padding: 6px 8px;
    border: 1px solid var(--pfp-border);
    border-radius: var(--pfp-radius-input);
    background: var(--pfp-bg-input);
    color: var(--pfp-text);
    font-size: var(--pfp-font-size);
    font-family: var(--pfp-font);
    text-align: center;
}
.pfp-price-input:focus {
    outline: none;
    border-color: var(--pfp-primary);
}

/* ── Search ──────────────────────────────────────────── */
.pfp-search-wrap {
    position: relative;
    margin-bottom: 12px;
}
.pfp-brand-search {
    width: 100%;
    box-sizing: border-box;
    padding: 7px 32px 7px 10px;
    border: 1px solid var(--pfp-border);
    border-radius: var(--pfp-radius-input);
    background: var(--pfp-bg-input);
    color: var(--pfp-text);
    font-size: var(--pfp-font-size);
    font-family: var(--pfp-font);
}
.pfp-brand-search:focus {
    outline: none;
    border-color: var(--pfp-primary);
}
.pfp-search-icon {
    position: absolute;
    right: 8px; top: 50%;
    transform: translateY(-50%);
    width: 16px; height: 16px;
    color: var(--pfp-text-light);
    pointer-events: none;
}

/* ── Checkboxes ──────────────────────────────────────── */
.pfp-check-list,
.pfp-brand-list {
    list-style: none;
    margin: 0; padding: 0;
}
.pfp-check-item {
    margin-bottom: 8px;
}
.pfp-check-item:last-child { margin-bottom: 0; }
.pfp-brand-hidden { display: none; }

.pfp-check-label {
    display:     flex;
    align-items: center;
    gap:         8px;
    cursor:      pointer;
    user-select: none;
}
.pfp-checkbox { display: none; }

.pfp-custom-check {
    width:  16px; height: 16px;
    border: 2px solid var(--pfp-border);
    border-radius: var(--pfp-radius-checkbox);
    background: #fff;
    flex-shrink: 0;
    position: relative;
    transition: border-color .15s, background .15s;
}
.pfp-checkbox:checked + .pfp-custom-check {
    background:   var(--pfp-primary);
    border-color: var(--pfp-primary);
}
.pfp-checkbox:checked + .pfp-custom-check::after {
    content: '';
    position: absolute;
    left: 3px; top: 1px;
    width: 4px; height: 7px;
    border: 2px solid #fff;
    border-left: none; border-top: none;
    transform: rotate(40deg);
}
.pfp-check-name  { flex: 1; font-size: var(--pfp-font-size); color: var(--pfp-text); }
.pfp-check-count { font-size: .9em; color: var(--pfp-text-light); }

/* ── See more ────────────────────────────────────────── */
.pfp-see-more {
    display:     flex;
    align-items: center;
    gap:         4px;
    background:  none;
    border:      none;
    padding:     6px 0 0;
    cursor:      pointer;
    font-size:   var(--pfp-font-size);
    color:       var(--pfp-primary);
    font-weight: 500;
}
.pfp-see-more:hover { color: var(--pfp-primary-hover); }
.pfp-chevron-down {
    width: 14px; height: 14px;
    transition: transform .2s;
}
.pfp-see-more.open .pfp-chevron-down { transform: rotate(180deg); }

/* ── Stars ───────────────────────────────────────────── */
.pfp-stars {
    display:     flex;
    align-items: center;
    gap:         1px;
}
.pfp-star {
    width: 14px; height: 14px;
}
.pfp-star-full  { color: var(--pfp-star-filled); }
.pfp-star-empty { color: var(--pfp-star-empty); }
.pfp-star-half  { color: transparent; }

/* ── Footer / Clear ──────────────────────────────────── */
.pfp-filter-footer {
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px solid var(--pfp-border);
}
.pfp-clear-btn {
    display:         flex;
    align-items:     center;
    justify-content: center;
    gap:             6px;
    width:           100%;
    padding:         9px 14px;
    background:      var(--pfp-clear-bg);
    color:           var(--pfp-clear-text);
    border:          1px solid var(--pfp-clear-border);
    border-radius:   var(--pfp-radius-btn);
    cursor:          pointer;
    font-size:       var(--pfp-font-size);
    font-family:     var(--pfp-font);
    font-weight:     500;
    transition:      background .15s, border-color .15s;
}
.pfp-clear-btn svg {
    width: 14px; height: 14px;
}
.pfp-clear-btn:hover {
    border-color: var(--pfp-primary);
    color: var(--pfp-primary);
}

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 768px) {
    .pfp-filter-wrap {
        max-width: 100%;
    }
}