/* ============================================
   ADVANCED FILTERS - TOP SECTION
   Minimal, Toggleable, Clean Design
   ============================================ */

.advanced-filters-top {
    margin-bottom: 1.5rem;
}

/* Toggle Button */
.advanced-filters-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.advanced-filters-toggle:hover {
    background: #f9fafb;
    border-color: #2563eb;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}

.advanced-filters-toggle:active {
    transform: scale(0.98);
}

.advanced-filters-toggle-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
}

.advanced-filters-toggle-content i {
    color: #2563eb;
    font-size: 1.125rem;
}

.advanced-filters-toggle-text {
    font-size: 1rem;
    font-weight: 600;
    color: #1f2937;
}

.advanced-filters-count {
    display: none;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    padding: 0 0.5rem;
    background: #2563eb;
    color: white;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-left: 0.5rem;
}

.advanced-filters-chevron {
    color: #6b7280;
    font-size: 0.875rem;
    transition: transform 0.3s ease;
}

.advanced-filters-toggle:hover .advanced-filters-chevron {
    color: #2563eb;
}

/* Filters Content - Collapsed by default, especially on mobile */
.advanced-filters-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease, opacity 0.3s ease;
    opacity: 0;
    padding: 0 1.25rem;
    background: white;
    border: 1px solid #e5e7eb;
    border-top: none;
    border-radius: 0 0 0.75rem 0.75rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* Ensure collapsed state on mobile by default */
@media (max-width: 640px) {
    .advanced-filters-content {
        max-height: 0 !important;
        opacity: 0 !important;
        padding: 0 1.25rem !important;
    }
    
    .advanced-filters-content.expanded {
        max-height: 2000px !important;
        opacity: 1 !important;
        padding: 1.25rem 1.125rem !important;
    }
}

.advanced-filters-content.expanded {
    max-height: 1000px;
    opacity: 1;
    padding: 1.5rem 1.25rem;
}

/* Filters Form */
.advanced-filters-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.advanced-filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.25rem;
}

/* Filter Item */
.advanced-filter-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.advanced-filter-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.25rem;
}

.advanced-filter-label i {
    color: #2563eb;
    font-size: 0.875rem;
    width: 16px;
    text-align: center;
}

/* Input Fields */
.advanced-filter-input,
.advanced-filter-select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    border: 1.5px solid #e5e7eb;
    border-radius: 0.5rem;
    background: #f9fafb;
    transition: all 0.2s ease;
    color: #1f2937;
}

.advanced-filter-input:focus,
.advanced-filter-select:focus {
    outline: none;
    border-color: #2563eb;
    background: white;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.advanced-filter-input::placeholder {
    color: #9ca3af;
}

/* Price Inputs */
.advanced-filter-price-inputs {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.advanced-filter-price-input {
    flex: 1;
}

.advanced-filter-price-separator {
    color: #6b7280;
    font-weight: 500;
    flex-shrink: 0;
}

.advanced-filter-hint {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    color: #6b7280;
    margin-top: 0.25rem;
}

.advanced-filter-hint i {
    font-size: 0.625rem;
}

/* Quick Filters */
.advanced-filter-quick {
    grid-column: 1 / -1;
}

.advanced-filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.advanced-filter-chip {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    background: #f3f4f6;
    border: 1.5px solid #e5e7eb;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.875rem;
    font-weight: 500;
    color: #374151;
}

.advanced-filter-chip:hover {
    background: #e5e7eb;
    border-color: #2563eb;
    color: #2563eb;
}

.advanced-filter-chip input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: #2563eb;
    margin: 0;
}

.advanced-filter-chip input[type="checkbox"]:checked + span {
    color: #2563eb;
    font-weight: 600;
}

.advanced-filter-chip span {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.advanced-filter-chip span i {
    font-size: 0.75rem;
}

.advanced-filter-chip-featured {
    background: #fefce8;
    border-color: #fde047;
}

.advanced-filter-chip-featured:hover {
    background: #fef3c7;
    border-color: #facc15;
}

.advanced-filter-chip-featured input[type="checkbox"]:checked + span {
    color: #ca8a04;
}

/* Actions */
.advanced-filters-actions {
    display: flex;
    gap: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid #e5e7eb;
}

.advanced-filter-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.advanced-filter-btn-clear {
    background: #f3f4f6;
    color: #374151;
    border: 1.5px solid #e5e7eb;
}

.advanced-filter-btn-clear:hover {
    background: #e5e7eb;
    border-color: #d1d5db;
}

.advanced-filter-btn-apply {
    background: #2563eb;
    color: white;
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}

.advanced-filter-btn-apply:hover {
    background: #1d4ed8;
    box-shadow: 0 4px 8px rgba(37, 99, 235, 0.3);
}

.advanced-filter-btn:active {
    transform: scale(0.98);
}

/* ============================================
   MOBILE - WINDOWS 11 GLASS STYLE
   ============================================ */
@media (max-width: 640px) {
    .advanced-filters-top {
        margin-bottom: 1rem;
    }
    
    /* Glass Toggle Button */
    .advanced-filters-toggle {
        background: rgba(255, 255, 255, 0.75);
        backdrop-filter: blur(20px) saturate(180%);
        -webkit-backdrop-filter: blur(20px) saturate(180%);
        border: 1px solid rgba(255, 255, 255, 0.2);
        box-shadow: 
            0 8px 32px 0 rgba(31, 38, 135, 0.25),
            inset 0 1px 0 0 rgba(255, 255, 255, 0.5);
        border-radius: 1rem;
        padding: 1rem 1.125rem;
    }
    
    .advanced-filters-toggle:hover {
        background: rgba(255, 255, 255, 0.85);
        box-shadow: 
            0 12px 40px 0 rgba(31, 38, 135, 0.3),
            inset 0 1px 0 0 rgba(255, 255, 255, 0.6);
    }
    
    /* Glass Content */
    .advanced-filters-content {
        background: rgba(255, 255, 255, 0.7);
        backdrop-filter: blur(20px) saturate(180%);
        -webkit-backdrop-filter: blur(20px) saturate(180%);
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-top: none;
        box-shadow: 
            0 8px 32px 0 rgba(31, 38, 135, 0.25),
            inset 0 1px 0 0 rgba(255, 255, 255, 0.5);
        border-radius: 0 0 1rem 1rem;
    }
    
    .advanced-filters-content.expanded {
        padding: 1.25rem 1.125rem;
    }
    
    /* Single Column Grid on Mobile */
    .advanced-filters-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    /* Glass Inputs */
    .advanced-filter-input,
    .advanced-filter-select {
        background: rgba(255, 255, 255, 0.6);
        backdrop-filter: blur(12px) saturate(180%);
        -webkit-backdrop-filter: blur(12px) saturate(180%);
        border: 1px solid rgba(255, 255, 255, 0.3);
        box-shadow: 0 2px 8px 0 rgba(31, 38, 135, 0.15);
    }
    
    .advanced-filter-input:focus,
    .advanced-filter-select:focus {
        background: rgba(255, 255, 255, 0.8);
        border-color: rgba(37, 99, 235, 0.5);
        box-shadow: 
            0 0 0 3px rgba(37, 99, 235, 0.2),
            0 4px 12px 0 rgba(31, 38, 135, 0.2);
    }
    
    /* Glass Chips */
    .advanced-filter-chip {
        background: rgba(243, 244, 246, 0.6);
        backdrop-filter: blur(10px) saturate(180%);
        -webkit-backdrop-filter: blur(10px) saturate(180%);
        border: 1px solid rgba(229, 231, 235, 0.4);
        box-shadow: 0 2px 6px 0 rgba(31, 38, 135, 0.1);
    }
    
    .advanced-filter-chip:hover {
        background: rgba(229, 231, 235, 0.8);
        border-color: rgba(37, 99, 235, 0.5);
        box-shadow: 0 4px 12px 0 rgba(37, 99, 235, 0.2);
    }
    
    .advanced-filter-chip-featured {
        background: rgba(254, 252, 232, 0.7);
        border-color: rgba(253, 224, 71, 0.5);
    }
    
    /* Glass Buttons */
    .advanced-filter-btn-clear {
        background: rgba(243, 244, 246, 0.7);
        backdrop-filter: blur(12px) saturate(180%);
        -webkit-backdrop-filter: blur(12px) saturate(180%);
        border: 1px solid rgba(229, 231, 235, 0.4);
        box-shadow: 0 2px 8px 0 rgba(31, 38, 135, 0.15);
    }
    
    .advanced-filter-btn-apply {
        background: rgba(37, 99, 235, 0.85);
        backdrop-filter: blur(12px) saturate(180%);
        -webkit-backdrop-filter: blur(12px) saturate(180%);
        border: 1px solid rgba(37, 99, 235, 0.3);
        box-shadow: 
            0 4px 16px 0 rgba(37, 99, 235, 0.3),
            inset 0 1px 0 0 rgba(255, 255, 255, 0.2);
    }
    
    .advanced-filter-btn-apply:hover {
        background: rgba(29, 78, 216, 0.9);
        box-shadow: 
            0 6px 20px 0 rgba(37, 99, 235, 0.4),
            inset 0 1px 0 0 rgba(255, 255, 255, 0.3);
    }
}

/* ============================================
   TABLET
   ============================================ */
@media (min-width: 641px) and (max-width: 1024px) {
    .advanced-filters-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================
   DESKTOP
   ============================================ */
@media (min-width: 1025px) {
    .advanced-filters-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .advanced-filter-quick {
        grid-column: span 4;
    }
}