/* Filter Toggle Button - Mobile Only */
.filter-toggle-btn {
    position: fixed;
    top: 180px;
    right: 16px;
    background: var(--slate-900);
    color: var(--white);
    border: none;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 999;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    display: none; /* Hidden on desktop */
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.filter-toggle-btn:hover {
    background: var(--slate-800);
    transform: scale(1.05);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.filter-toggle-btn i {
    width: 24px;
    height: 24px;
}

/* Show button on mobile only */
@media (max-width: 768px) {
    .filter-toggle-btn {
        display: flex;
    }
}

/* Drawer Backdrop - Mobile Only */
.filter-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    display: none;
}

@media (max-width: 768px) {
    .filter-backdrop {
        display: block;
    }

    .filter-backdrop.active {
        opacity: 1;
        visibility: visible;
    }
}

/* Filter Drawer - Desktop: Static Sidebar, Mobile: Drawer */
.filter-drawer {
    position: static;
    width: 100%;
    height: auto;
    background: transparent;
    transform: none;
    transition: none;
    overflow-y: visible;
    box-shadow: none;
}

/* Mobile: Convert to drawer */
@media (max-width: 768px) {
    .filter-drawer {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: var(--white);
        z-index: 1001;
        transform: translateX(-100%);
        transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
        overflow-y: auto;
        box-shadow: 10px 0 30px rgba(0, 0, 0, 0.2);
    }

    .filter-drawer.active {
        transform: translateX(0);
    }
}

/* Drawer Header - Mobile Only */
.filter-drawer-header {
    display: none;
}

@media (max-width: 768px) {
    .filter-drawer-header {
        display: flex;
        position: sticky;
        top: 0;
        background: var(--slate-900);
        color: var(--white);
        padding: 24px;
        justify-content: space-between;
        align-items: center;
        z-index: 10;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
}

.filter-drawer-header h3 {
    font-size: 18px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin: 0;
}

.filter-close-btn {
    background: transparent;
    border: none;
    color: var(--white);
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s ease;
}

.filter-close-btn:hover {
    opacity: 0.7;
}

.filter-close-btn i {
    width: 24px;
    height: 24px;
}

/* Drawer Content */
.filter-drawer-content {
    padding: 0;
}

@media (max-width: 768px) {
    .filter-drawer-content {
        padding: 20px 16px;
    }
}

/* Filter Groups */
.filter-group {
    margin-bottom: 24px;
}

.filter-label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--slate-600);
    margin-bottom: 12px;
}

.filter-select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--slate-200);
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--slate-900);
    background: var(--white);
    transition: all 0.3s ease;
}

.filter-select:focus {
    border-color: var(--slate-900);
    outline: none;
    box-shadow: 0 0 0 4px rgba(15, 23, 42, 0.05);
}

.btn-clear-filters {
    display: block;
    width: 100%;
    padding: 14px;
    background: transparent;
    border: 2px solid var(--slate-200);
    border-radius: 12px;
    color: var(--slate-600);
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    transition: all 0.3s ease;
    margin-top: 16px;
}

.btn-clear-filters:hover {
    border-color: var(--slate-900);
    color: var(--slate-900);
    background: var(--slate-50);
}

.btn-apply-filters {
    width: 100%;
    margin-top: 1rem;
    padding: 14px;
    background: var(--slate-900);
    color: var(--white);
    border: none;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn-apply-filters:hover {
    background: var(--slate-800);
    transform: translateY(-2px);
}

/* Prevent body scroll when drawer is open */
body.filter-drawer-open {
    overflow: hidden;
}

/* Listing Layout Grid - Desktop Only */
@media (max-width: 768px) {
    .listing-layout {
        display: block !important;
        grid-template-columns: none !important;
        gap: 0 !important;
    }
}