/* Ferit Elektrik - Ürün kataloğu (responsive) */

.catalog-page {
    min-height: 100vh;
    padding-top: 100px;
    padding-bottom: calc(60px + env(safe-area-inset-bottom, 0px));
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

.catalog-hero {
    text-align: center;
    padding: 32px 20px 24px;
    max-width: 900px;
    margin: 0 auto;
}

.catalog-title {
    font-size: clamp(1.75rem, 5vw, 3rem);
    text-transform: uppercase;
    letter-spacing: clamp(2px, 1vw, 4px);
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.catalog-subtitle {
    color: var(--text-secondary);
    font-size: clamp(0.875rem, 2.5vw, 1rem);
    line-height: 1.5;
    padding: 0 8px;
}

.catalog-layout {
    display: grid;
    grid-template-columns: minmax(260px, 280px) 1fr;
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px 24px;
    align-items: start;
}

/* Mobil filtre tetikleyici — masaüstünde gizli */
.catalog-filter-toggle {
    display: none;
}

.catalog-sidebar-backdrop {
    display: none;
}

.catalog-sidebar {
    position: sticky;
    top: 100px;
    background: rgba(26, 26, 26, 0.95);
    border: 1px solid var(--carbon-light);
    border-radius: 12px;
    padding: 0;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 120px);
}

.catalog-sidebar-header {
    display: none;
}

.catalog-sidebar-body {
    padding: 16px 24px 24px;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.filter-block + .filter-block {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--carbon-light);
}

.filter-title {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-cyan);
    margin-bottom: 14px;
}

.filter-input,
.filter-select {
    width: 100%;
    padding: 12px 14px;
    background: var(--carbon-dark);
    border: 1px solid var(--metal-dark);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 16px;
    -webkit-appearance: none;
    appearance: none;
}

.filter-input:focus,
.filter-select:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 2px rgba(153, 69, 255, 0.2);
}

.filter-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.filter-list-scroll {
    max-height: 220px;
    overflow-y: auto;
    padding-right: 4px;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-purple) var(--carbon-dark);
}

.filter-list-scroll::-webkit-scrollbar {
    width: 6px;
}

.filter-list-scroll::-webkit-scrollbar-thumb {
    background: var(--accent-purple);
    border-radius: 3px;
}

.filter-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.4;
    min-height: 44px;
    padding: 4px 0;
}

.filter-check input {
    width: 18px;
    height: 18px;
    margin-top: 3px;
    flex-shrink: 0;
    accent-color: var(--accent-purple);
}

.filter-check em {
    color: var(--text-dim);
    font-style: normal;
}

.filter-muted {
    color: var(--text-dim);
    font-size: 13px;
}

.filter-actions {
    display: flex;
    flex-direction: row;
    gap: 10px;
    padding: 16px 24px;
    border-bottom: 1px solid var(--carbon-light);
    background: rgba(18, 18, 18, 0.98);
    flex-shrink: 0;
}

.filter-apply-btn {
    flex: 1;
    width: auto;
    margin: 0;
}

.filter-clear-btn {
    flex: 1;
    background: transparent;
    border: 1px solid var(--metal-dark);
    color: var(--text-secondary);
    padding: 12px;
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 12px;
    min-height: 44px;
    transition: border-color 0.2s, color 0.2s;
}

.filter-clear-btn:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.catalog-main {
    min-width: 0;
}

.catalog-toolbar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--carbon-light);
}

.catalog-result {
    color: var(--text-secondary);
    font-size: 14px;
    flex: 1 1 200px;
}

.catalog-sort {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 0 1 auto;
}

.catalog-sort label {
    font-size: 13px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
    white-space: nowrap;
}

.filter-select {
    width: auto;
    min-width: 180px;
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 24px;
}

.product-card {
    background: rgba(26, 26, 26, 0.9);
    border: 1px solid var(--carbon-light);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-4px);
    border-color: rgba(153, 69, 255, 0.5);
    box-shadow: 0 12px 40px rgba(153, 69, 255, 0.15);
}

.product-card-image {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    min-height: 0;
    flex-shrink: 0;
    overflow: hidden;
    background: #fff;
}

.product-card-image img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    padding: 16px;
    box-sizing: border-box;
    object-fit: contain;
    object-position: center;
    display: block;
}

.product-card-body {
    padding: 18px;
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 8px;
}

.product-card-category {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-cyan);
}

.product-card-title {
    font-size: 15px;
    line-height: 1.35;
    color: var(--text-primary);
    font-weight: 600;
}

.product-card-desc {
    font-size: 13px;
    color: var(--text-dim);
    line-height: 1.5;
    white-space: pre-line;
}

.product-card-sku {
    font-size: 12px;
    color: var(--text-dim);
}

.product-card-cta {
    margin-top: auto;
    display: inline-block;
    text-align: center;
    padding: 12px 16px;
    border: 1px solid var(--accent-purple);
    border-radius: 8px;
    color: var(--accent-purple);
    text-decoration: none;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    min-height: 44px;
    line-height: 20px;
    transition: background 0.2s, color 0.2s;
}

.product-card-cta:hover {
    background: var(--accent-purple);
    color: var(--text-primary);
}

.catalog-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-dim);
    font-size: 16px;
}

.catalog-empty.hidden {
    display: none;
}

.catalog-filter-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    border-radius: 999px;
    background: var(--accent-purple);
    color: var(--text-primary);
    font-size: 11px;
    font-weight: 700;
}

.catalog-filter-badge.hidden {
    display: none;
}

.catalog-footer {
    margin-top: 40px;
    padding-bottom: env(safe-area-inset-bottom, 0px);
}

.catalog-footer a {
    color: var(--accent-cyan);
    text-decoration: none;
}

/* Tablet */
@media (max-width: 1024px) {
    .catalog-layout {
        grid-template-columns: 240px 1fr;
        gap: 20px;
        padding: 0 16px 20px;
    }

    .catalog-sidebar-body {
        padding: 0 18px 18px;
    }

    .catalog-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 16px;
    }
}

/* Mobil — filtre drawer */
@media (max-width: 768px) {
    .catalog-page {
        padding-top: 85px;
        padding-bottom: calc(60px + env(safe-area-inset-bottom, 0px));
    }

    .catalog-hero {
        padding: 20px 16px 16px;
    }

    .catalog-layout {
        grid-template-columns: 1fr;
        gap: 0;
        padding: 0 16px 16px;
    }

    .catalog-filter-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        width: 100%;
        margin-bottom: 16px;
        padding: 14px 20px;
        background: linear-gradient(135deg, rgba(153, 69, 255, 0.2), rgba(0, 255, 255, 0.1));
        border: 1px solid rgba(153, 69, 255, 0.4);
        border-radius: 10px;
        color: var(--text-primary);
        font-family: inherit;
        font-size: 14px;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 2px;
        cursor: pointer;
        min-height: 48px;
        transition: border-color 0.2s, box-shadow 0.2s;
    }

    .catalog-filter-toggle:active {
        border-color: var(--accent-cyan);
        box-shadow: 0 0 20px rgba(0, 255, 255, 0.15);
    }

    .catalog-filter-toggle-icon {
        font-size: 18px;
        color: var(--accent-cyan);
    }

    .catalog-sidebar-backdrop {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.65);
        z-index: 10001;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s;
    }

    .catalog-sidebar-backdrop.is-visible {
        opacity: 1;
        visibility: visible;
    }

    .catalog-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: min(320px, 88vw);
        max-width: 100%;
        max-height: none;
        z-index: 10002;
        border-radius: 0;
        border-left: none;
        border-top: none;
        border-bottom: none;
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        overflow: hidden;
        display: flex;
        flex-direction: column;
    }

    .catalog-sidebar.is-open {
        transform: translateX(0);
        box-shadow: 8px 0 40px rgba(153, 69, 255, 0.2);
    }

    .catalog-sidebar-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 20px 20px 16px;
        border-bottom: 1px solid var(--carbon-light);
        background: rgba(18, 18, 18, 0.98);
        flex-shrink: 0;
    }

    .catalog-sidebar-heading {
        font-size: 14px;
        text-transform: uppercase;
        letter-spacing: 3px;
        color: var(--accent-cyan);
        margin: 0;
    }

    .catalog-sidebar-close {
        width: 44px;
        height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: transparent;
        border: 1px solid var(--metal-dark);
        border-radius: 8px;
        color: var(--text-primary);
        font-size: 28px;
        line-height: 1;
        cursor: pointer;
        transition: border-color 0.2s, color 0.2s;
    }

    .catalog-sidebar-close:hover {
        border-color: var(--accent-red);
        color: var(--accent-red);
    }

    .catalog-sidebar-body {
        flex: 1;
        overflow-y: auto;
        padding: 16px 20px 20px;
        padding-bottom: calc(20px + env(safe-area-inset-bottom, 0px));
        -webkit-overflow-scrolling: touch;
        min-height: 0;
    }

    .filter-actions {
        padding: 12px 16px;
    }

    .filter-list-scroll {
        max-height: 180px;
    }

    .catalog-toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        margin-bottom: 16px;
    }

    .catalog-result {
        text-align: center;
        font-size: 13px;
    }

    .catalog-sort {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .filter-select {
        width: 100%;
        min-width: 0;
    }

    .catalog-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .product-card-body {
        padding: 12px;
        gap: 6px;
    }

    .product-card-title {
        font-size: 13px;
        -webkit-line-clamp: 3;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .product-card-category {
        font-size: 10px;
    }

    .product-card-desc {
        font-size: 12px;
    }

    .product-card-cta {
        padding: 10px 8px;
        font-size: 11px;
        letter-spacing: 0.5px;
    }

    .product-card-image img {
        padding: 10px;
    }

    body.catalog-filters-open {
        overflow: hidden;
    }
}

/* Küçük mobil */
@media (max-width: 480px) {
    .catalog-page {
        padding-top: 78px;
    }

    .catalog-title {
        letter-spacing: 2px;
    }

    .catalog-subtitle {
        font-size: 0.8125rem;
    }

    .catalog-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .product-card-desc,
    .product-card-sku {
        display: block;
    }

    .product-card-title {
        font-size: 15px;
    }

    .product-card-body {
        padding: 16px;
    }

    .catalog-filter-toggle {
        position: sticky;
        top: 78px;
        z-index: 100;
        margin-bottom: 12px;
        backdrop-filter: blur(10px);
        background: rgba(18, 18, 18, 0.92);
    }
}