/* ==========================================================================
   Premium Filter Styles
   ========================================================================== */

.collections-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    align-items: start;
}

@media (max-width: 992px) {
    .collections-layout {
        grid-template-columns: 1fr;
        position: relative;
    }
}

.collections-sidebar {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 30px 25px;
    box-shadow: var(--neon-glow);
    position: sticky;
    top: 100px;
}

/* Hide filter header on desktop */
.filter-header {
    display: none !important;
}

@media (max-width: 992px) {
    .collections-sidebar {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        transform: translateX(-100%) !important;
        width: 85% !important;
        max-width: 350px !important;
        height: 100vh !important;
        z-index: 1005 !important;
        background: var(--bg-dark) !important;
        border-radius: 0 !important;
        border: 1px solid var(--glass-border) !important;
        overflow-y: auto !important;
        transition: transform 0.4s cubic-bezier(0.77, 0, 0.175, 1) !important;
        box-shadow: 5px 0 25px rgba(0, 0, 0, 0.5) !important;
        padding: 20px !important;
        box-sizing: border-box !important;
    }

    .collections-sidebar.active {
        transform: translateX(0) !important;
    }

    /* Prevent sidebar flashing on page load */
    .collections-sidebar:not(.active) {
        visibility: hidden !important;
    }

    .collections-sidebar.active {
        visibility: visible !important;
    }
}

.collections-sidebar {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 30px 25px;
    box-shadow: var(--neon-glow);
    position: sticky;
    top: 100px;
}

.filter-group {
    margin-bottom: 35px;
}

.filter-group:last-child {
    margin-bottom: 0;
}

.filter-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--text-main);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--gold-accent);
    display: inline-block;
}

/* Search Input */
.search-input-wrapper {
    position: relative;
}

.search-input-wrapper i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gold-accent);
    opacity: 0.8;
}

.search-input-wrapper input {
    width: 100%;
    padding: 12px 15px 12px 40px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-main);
    font-family: var(--font-body);
    transition: all 0.3s ease;
}

.search-input-wrapper input:focus {
    outline: none;
    border-color: var(--gold-accent);
    background: rgba(255, 255, 255, 0.05);
}

.search-input-wrapper input::placeholder {
    color: var(--text-muted);
}

/* Filter Options (Radio & Checkbox) */
.filter-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.filter-option {
    display: flex;
    align-items: center;
    cursor: pointer;
    position: relative;
    padding-left: 30px;
}

.filter-option input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.option-label {
    color: var(--text-muted);
    transition: color 0.3s ease;
    font-size: 1.05rem;
}

.filter-option:hover .option-label,
.filter-option input:checked ~ .option-label {
    color: var(--gold-accent);
}

/* Custom Checkbox/Radio Styling */
.filter-option input[type="radio"] ~ .option-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    border: 1px solid var(--gold-accent);
    border-radius: 50%;
    background: transparent;
    transition: all 0.3s ease;
}

.filter-option input[type="radio"]:checked ~ .option-label::after {
    content: '';
    position: absolute;
    left: 4px;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 10px;
    background: var(--gold-accent);
    border-radius: 50%;
}

.filter-option input[type="checkbox"] ~ .option-checkbox {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    border: 1px solid var(--text-muted);
    border-radius: 4px;
    background: transparent;
    transition: all 0.3s ease;
}

.filter-option input[type="checkbox"]:checked ~ .option-checkbox {
    border-color: var(--gold-accent);
    background: var(--gold-accent);
}

/* Select Dropdown Styling for Categories */
.filter-options select,
select {
    background-color: var(--bg-dark) !important;
    color: var(--text-main) !important;
}

select option {
    background-color: var(--bg-dark) !important;
    color: var(--text-main) !important;
}

select option:checked {
    background: var(--gold-accent) !important;
    color: #000000 !important;
}

.filter-option input[type="checkbox"]:checked ~ .option-checkbox::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid var(--bg-main);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Top Bar Styling */
.collections-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 15px 25px;
    margin-bottom: 30px;
}

.results-count {
    color: var(--text-muted);
    font-size: 1.05rem;
}

.sort-dropdown {
    display: flex;
    align-items: center;
    gap: 15px;
}

.sort-dropdown label {
    color: var(--text-muted);
}

.sort-dropdown select {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    padding: 8px 15px;
    border-radius: 6px;
    font-family: var(--font-body);
    cursor: pointer;
    outline: none;
    transition: all 0.3s ease;
}

.sort-dropdown select:focus {
    border-color: var(--gold-accent);
}

.sort-dropdown select option {
    background: var(--bg-main);
    color: var(--text-main);
}

/* Premium "View Details" Button */
.btn-card-action.premium-btn {
    background: #f8f9fa; /* Off-white for premium feel against dark theme */
    color: #4a90e2; /* Light blue text as per user screenshot */
    border: none;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 4px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    width: auto;
    margin-left: auto; /* Align right */
}

.btn-card-action.premium-btn i {
    font-size: 0.9em;
    transition: transform 0.3s ease;
}

.btn-card-action.premium-btn:hover {
    background: #fff;
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.2);
}

.btn-card-action.premium-btn:hover i {
    transform: translateX(4px);
}

/* Collections Stats Desktop */
.collections-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gold-light);
    display: block;
}

.stat-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 8px;
}

.stat-divider {
    width: 1px;
    height: 60px;
    background: var(--text-muted);
    opacity: 0.3;
}

/* Pagination Disabled State */
.pagination-btn.disabled,
.pagination-number.disabled {
    opacity: 0.4 !important;
    cursor: not-allowed !important;
    pointer-events: none !important;
    background: transparent !important;
    color: var(--text-muted) !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
}