:root {
    --primary-color: #2563eb;
    --secondary-color: #059669;
    --danger-color: #dc2626;
    --warning-color: #d97706;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --border-color: #e2e8f0;
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
}
body { font-family: system-ui, -apple-system, sans-serif; }

/* STICKY BUTON */
.sticky-button-wrapper {
    position: sticky; bottom: 0; background: white; padding: 10px 16px;
    z-index: 20; box-shadow: 0 -4px 10px rgba(0,0,0,0.08); border-top: 1px solid #e5e7eb;
}
.sticky-button-container {
    display: flex; gap: 12px; align-items: center; padding-right: 80px;
}
.btn-add-cart, .btn-buy-now {
    flex: 1; padding: 10px 16px; height: 44px; border: none; border-radius: 8px;
    cursor: pointer; font-size: 14px; font-weight: 600; display: flex;
    align-items: center; justify-content: center; gap: 8px; transition: all .2s;
    white-space: nowrap;
}
.btn-add-cart { background: #2563eb; color: #fff; }
.btn-buy-now { background: #059669; color: #fff; }
.btn-add-cart:hover { background: #1d4ed8; }
.btn-buy-now:hover { background: #047857; }
.btn-add-cart:disabled, .btn-buy-now:disabled { background: #94a3b8; cursor: not-allowed; opacity: 0.7; }
.btn-add-cart:focus-visible, .btn-buy-now:focus-visible { outline: 2px solid #2563eb; outline-offset: 2px; }

/* BİLDİRİM */
.notification {
    position: fixed; top: 20px; right: 20px; background: white; border-radius: 8px;
    padding: 16px 20px; box-shadow: 0 4px 20px rgba(0,0,0,0.15); display: flex;
    align-items: center; gap: 12px; z-index: 9999; transform: translateX(120%);
    transition: transform .3s cubic-bezier(.68,-.55,.265,1.55); max-width: 400px;
    border-left: 4px solid #2563eb;
}
.notification.show { transform: translateX(0); }
.notification.success { border-left-color: #059669; }
.notification.error { border-left-color: #dc2626; }
.notification.warning { border-left-color: #d97706; }
.notification-content { display: flex; align-items: center; gap: 12px; }
.notification-content i { font-size: 20px; }
.notification span { font-weight: 500; color: #1e293b; font-size: 14px; }

/* RENK SEÇENEKLERİ */
.color-option {
    width: 28px; height: 28px; min-width: 28px; border-radius: 50%;
    border: 2px solid #d1d5db; cursor: pointer; transition: all .3s;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05); position: relative;
}
.color-option:hover, .color-option.active {
    border-color: #2563eb; transform: scale(1.1); box-shadow: 0 2px 6px rgba(37,99,235,0.3);
}
.color-option.out-of-stock { opacity: 0.5; cursor: not-allowed; filter: grayscale(0.3); }
.color-option.out-of-stock::after {
    content: ''; position: absolute; top: 50%; left: -2px; right: -2px; height: 2px;
    background: #dc2626; transform: translateY(-50%) rotate(-45deg); border-radius: 2px;
}
.color-option:focus-visible { outline: 2px solid #2563eb; outline-offset: 2px; }

/* BEDEN SEÇENEKLERİ */
.size-option {
    padding: 6px 14px; border: 1.5px solid #d1d5db; border-radius: 40px;
    background: white; cursor: pointer; transition: all .2s; font-weight: 500;
    font-size: 14px; text-transform: uppercase; letter-spacing: .3px; white-space: nowrap;
}
.size-option:hover:not(:disabled):not(.out-of-stock) {
    border-color: #2563eb; background: #eff6ff; transform: translateY(-1px);
}
.size-option.active:not(.out-of-stock) {
    border-color: #2563eb; background: #2563eb; color: white;
    box-shadow: 0 2px 6px rgba(37,99,235,0.3);
}
.size-option.out-of-stock {
    opacity: 0.6; cursor: not-allowed; background: #f9fafb; color: #9ca3af;
    text-decoration: line-through; text-decoration-color: #dc2626;
    text-decoration-thickness: 2px; border-color: #e5e7eb;
}
.size-option:focus-visible { outline: 2px solid #2563eb; outline-offset: 2px; }
.size-selector-wrapper { width: 100%; margin-top: 12px; }
.size-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.size-label { font-weight: 600; color: #1e293b; font-size: 15px; white-space: nowrap; }
.size-options-container { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

/* ÜRÜN RESMİ VE ZOOM */
.product-zoom-container {
    position: relative; background: #f8fafc; border-radius: 12px; overflow: hidden;
    border: 1px solid #e2e8f0; display: flex; justify-content: center; align-items: center;
    min-height: 280px;
}
.zoom-base-image {
    width: 100%; height: auto; max-height: 470px; object-fit: contain;
    background: white; cursor: crosshair;
}
.zoom-lens {
    position: absolute; border: 2px solid #2563eb; background: rgba(37,99,235,0.08);
    cursor: none; pointer-events: none; display: none; z-index: 10;
}
.zoom-window {
    position: absolute; top: 0; left: calc(100% + 20px); width: 400px; height: 400px;
    overflow: hidden; border: 1px solid #e2e8f0; background: white; border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1); display: none; z-index: 100;
}
.zoom-window-image {
    position: absolute; width: auto; height: auto; max-width: none; max-height: none;
    transform-origin: 0 0;
}
@media (max-width: 1024px) {
    .zoom-lens, .zoom-window { display: none !important; }
    .zoom-base-image { cursor: pointer; }
}

/* KÜÇÜK RESİMLER */
.product-thumbnail {
    width: 72px; height: 72px; object-fit: cover; border-radius: 8px;
    border: 2px solid transparent; cursor: pointer; transition: all .3s;
}
.product-thumbnail:hover, .product-thumbnail.active {
    border-color: #2563eb; transform: scale(1.05);
}
#thumbnailsContainer {
    display: flex; gap: 8px; overflow-x: auto; scroll-behavior: smooth; padding: 4px;
}
#thumbnailsContainer::-webkit-scrollbar { height: 4px; }
#thumbnailsContainer::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }

/* GALERİ MODAL */
.gallery-modal {
    position: fixed; inset: 0; background: rgba(0,0,0,0.95); z-index: 10000;
    display: none; align-items: center; justify-content: center; flex-direction: column;
}
.gallery-modal.active { display: flex; }
.gallery-modal .modal-content {
    position: relative; width: 100%; max-width: 90vw; max-height: 80vh;
    display: flex; align-items: center; justify-content: center;
}
.gallery-modal img { max-width: 100%; max-height: 70vh; object-fit: contain; border-radius: 8px; }
.gallery-nav {
    position: absolute; top: 50%; transform: translateY(-50%); background: rgba(0,0,0,0.75);
    width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center;
    justify-content: center; cursor: pointer; color: white; font-size: 28px; z-index: 10001;
    border: none; transition: all .2s;
}
.gallery-nav:hover { background: rgba(0,0,0,0.9); }
.gallery-prev { left: 20px; }
.gallery-next { right: 20px; }
.gallery-close {
    position: absolute; top: 20px; right: 30px; font-size: 32px; color: white;
    cursor: pointer; z-index: 10001; background: rgba(0,0,0,0.6); width: 44px; height: 44px;
    border-radius: 50%; display: flex; align-items: center; justify-content: center; border: none;
}
.gallery-close:hover { background: rgba(0,0,0,0.9); }
.gallery-thumbnails {
    display: flex; gap: 10px; margin-top: 20px; overflow-x: auto; padding: 10px; max-width: 90vw;
}
.gallery-thumbnails img {
    width: 60px; height: 60px; object-fit: cover; border-radius: 8px;
    border: 2px solid transparent; cursor: pointer;
}
.gallery-thumbnails img.active { border-color: white; }

/* STOK UYARI */
.variant-stock-modal {
    position: fixed; bottom: 80px; left: 50%; transform: translateX(-50%) translateY(100px);
    background: #1e293b; color: #fff; padding: 12px 24px; border-radius: 40px;
    font-size: 14px; font-weight: 500; z-index: 2000; opacity: 0; transition: all .3s;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2); white-space: nowrap; pointer-events: none;
    display: flex; align-items: center; gap: 8px;
}
.variant-stock-modal.show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* CANLI İSTATİSTİK */
.live-stats {
    font-size: 14px; color: #059669; font-weight: 600; display: flex;
    align-items: center; gap: 6px; margin-left: auto; white-space: nowrap;
}
.live-stats i { color: #059669; }

/* TABLAR */
.tab-button {
    transition: all .2s; color: #1e293b; font-weight: 500;
    background: none; border: none; cursor: pointer;
}
.tab-button.border-blue-500, .tab-button.text-blue-600 { color: #2563eb !important; }
.tab-button:focus-visible { outline: 2px solid #2563eb; outline-offset: -2px; }

/* BENZER ÜRÜNLER */
.similar-products .grid { display: grid; gap: 1rem; }
.similar-products .bg-white {
    border-radius: 12px; background: #fff; box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: all .3s; display: flex; flex-direction: column; height: 100%;
}
.similar-products .relative { position: relative; overflow: hidden; background: #f8fafc; height: 180px; }
.similar-products img.product-card-image {
    width: 100%; height: 100%; object-fit: contain; transition: transform .3s;
}
.similar-products .bg-white:hover img { transform: scale(1.05); }
.similar-products h3 {
    font-size: clamp(0.75rem, 3vw, 1rem); font-weight: 500; color: #111827;
    margin-bottom: 0.5rem; line-height: 1.4; display: -webkit-box;
    -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.similar-products .text-green-600 { color: #15803d; font-weight: 600; font-size: clamp(0.9rem, 3.5vw, 1.05rem); }
.similar-products .line-through { text-decoration: line-through; font-size: 0.8rem; color: #6b7280; }
.similar-products .flex.space-x-2 { margin-top: auto; }
.similar-products .bg-blue-600 { background: #2563eb; }

@media (max-width: 767px) {
    .similar-products .grid { grid-template-columns: repeat(2, 1fr) !important; }
    .similar-products .relative { height: 150px; }
}
@media (min-width: 768px) and (max-width: 1023px) {
    .similar-products .grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1024px) {
    .similar-products .grid { grid-template-columns: repeat(4, 1fr); }
    .similar-products .relative { height: 250px; }
}

/* RTL */
[dir="rtl"] .text-left { text-align: right; }
[dir="rtl"] .mr-2 { margin-right: 0; margin-left: 0.5rem; }
[dir="rtl"] .ml-2 { margin-left: 0; margin-right: 0.5rem; }

/* YARDIMCI */
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.loading-spinner { display: inline-block; width: 20px; height: 20px; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ============ SEPET MODAL FOOTER YENİ DÜZEN ============ */
#cartFooter {
    flex-shrink: 0;
    padding: 12px 20px;
    background: #fff;
    border-top: 1px solid #e5e7eb;
    display: flex !important;
    flex-direction: column;
    gap: 10px;
}
.cart-footer-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.cart-footer-row.total-row {
    font-size: 16px;
    font-weight: 600;
    color: #1e293b;
}
.cart-footer-row.buttons-row {
    gap: 10px;
}
.btn-continue-shopping,
.btn-checkout {
    flex: 1;
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    white-space: nowrap;
    transition: background .2s;
}
.btn-continue-shopping {
    background: #f3f4f6;
    color: #374151;
    border: 1px solid #d1d5db;
}
.btn-continue-shopping:hover {
    background: #e5e7eb;
}
.btn-checkout {
    background: #059669;
    color: white;
    border: none;
}
.btn-checkout:hover {
    background: #047857;
}

@media (max-width: 480px) {
    .btn-continue-shopping,
    .btn-checkout {
        font-size: 13px;
        padding: 8px 6px;
    }
}