/* ==========================================================================
   Global Variables & Reset
   ========================================================================== */
:root {
    --primary-orange: #ff6a00;
    --secondary-orange: #ff6b35;
    --primary-hover: #e05d00;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --black: #111111;
    --gray-dark: #333333;
    --gray-medium: #666666;
    --gray-light: #e0e0e0;
    --gray-extra-light: #f1f3f5;
    --green-badge: #27ae60;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 14px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.15);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Hind Siliguri', 'SolaimanLipi', sans-serif;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-light);
    color: var(--gray-dark);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.hidden {
    display: none !important;
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo {
    max-height: 45px;
    width: auto;
    object-fit: contain;
    display: block;
}

.cart-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    color: var(--black);
    text-decoration: none;
    border-radius: 50%;
    transition: background-color var(--transition-fast);
}

.cart-btn:hover {
    background-color: var(--gray-extra-light);
}

.cart-icon-svg {
    width: 28px;
    height: 28px;
}

.cart-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    background-color: var(--primary-orange);
    color: var(--white);
    font-size: 11px;
    font-weight: 700;
    min-width: 18px;
    height: 18px;
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    box-shadow: 0 0 0 2px var(--white);
}

/* ==========================================================================
   Main Content Layout
   ========================================================================== */
.main-content {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 24px 16px 48px 16px;
}

.page-title-container {
    text-align: center;
    margin-bottom: 28px;
}

.page-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--black);
}

.title-underline {
    width: 60px;
    height: 3px;
    background-color: var(--primary-orange);
    margin: 8px auto 0 auto;
    border-radius: 2px;
}

/* ==========================================================================
   Products Grid
   ========================================================================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

@media (min-width: 576px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
}

@media (min-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    .page-title {
        font-size: 28px;
    }
}

@media (min-width: 992px) {
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
}

/* ==========================================================================
   Product Card
   ========================================================================== */
.product-card {
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid rgba(0,0,0,0.06);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.card-media-wrapper {
    position: relative;
    width: 100%;
    padding-top: 100%; /* 1:1 Aspect Ratio */
    background-color: var(--gray-extra-light);
    overflow: hidden;
}

.slider-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.slider-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.6s ease-in-out;
}

.slider-img.active {
    opacity: 1;
}

.free-delivery-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    background-color: var(--secondary-orange);
    color: var(--white);
    font-size: 11px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 4px;
    z-index: 2;
    box-shadow: 0 2px 4px rgba(0,0,0,0.15);
}

.card-body {
    padding: 12px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--black);
    line-height: 1.35;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 38px;
}

.price-section {
    margin-top: auto;
    margin-bottom: 12px;
}

.current-price {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-orange);
}

.old-price-line {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 2px;
}

.old-price {
    font-size: 12px;
    color: var(--gray-medium);
    text-decoration: line-through;
}

.savings-tag {
    font-size: 11px;
    color: var(--green-badge);
    background: rgba(39, 174, 96, 0.1);
    padding: 1px 5px;
    border-radius: 3px;
    font-weight: 600;
}

.discount-badge {
    font-size: 11px;
    color: #e74c3c;
    background: rgba(231, 76, 60, 0.1);
    padding: 1px 5px;
    border-radius: 3px;
    font-weight: 600;
}

/* Card Actions */
.card-actions {
    display: flex;
    flex-direction: column;
    gap: 6px;
    z-index: 3;
}

.btn-action {
    width: 100%;
    padding: 8px 10px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: background-color var(--transition-fast), opacity var(--transition-fast);
}

.btn-order-now {
    background-color: var(--primary-orange);
    color: var(--white);
}

.btn-order-now:hover {
    background-color: var(--primary-hover);
}

.btn-add-cart {
    background-color: var(--gray-extra-light);
    color: var(--black);
    border: 1px solid var(--gray-light);
}

.btn-add-cart:hover {
    background-color: var(--gray-light);
}

.cart-added-msg {
    text-align: center;
    font-size: 11px;
    font-weight: 600;
    color: var(--green-badge);
    background-color: rgba(39, 174, 96, 0.08);
    padding: 6px;
    border-radius: var(--radius-sm);
    border: 1px dashed var(--green-badge);
}

.btn-icon {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
}

/* ==========================================================================
   Pagination & Load More
   ========================================================================== */
.load-more-container {
    text-align: center;
    margin-top: 36px;
}

.load-more-btn {
    background-color: var(--primary-orange);
    color: var(--white);
    border: none;
    padding: 10px 28px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-fast);
}

.load-more-btn:hover {
    background-color: var(--primary-hover);
}

.no-more-msg {
    font-size: 14px;
    color: var(--gray-medium);
    font-weight: 500;
}

.btn-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--white);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ==========================================================================
   Empty State
   ========================================================================== */
.empty-state {
    text-align: center;
    padding: 60px 16px;
}

.empty-icon {
    width: 64px;
    height: 64px;
    color: var(--gray-medium);
    margin-bottom: 12px;
}

.empty-text {
    font-size: 16px;
    color: var(--gray-medium);
    font-weight: 500;
}

/* ==========================================================================
   Modals & Popups
   ========================================================================== */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 16px;
    backdrop-filter: blur(2px);
}

.modal-box {
    background: var(--white);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 440px;
    position: relative;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    animation: modalSlideUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--gray-extra-light);
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--gray-dark);
    transition: background-color var(--transition-fast);
    z-index: 10;
}

.modal-close-btn:hover {
    background: var(--gray-light);
}

.modal-body {
    padding: 24px 20px;
}

/* Variant Modal Custom Styles */
.variant-modal-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 16px;
    border-bottom: 1px solid var(--gray-light);
    padding-bottom: 10px;
}

.variant-group {
    margin-bottom: 16px;
}

.variant-group-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 8px;
}

.variant-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.variant-label {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    border: 1px solid var(--gray-light);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
    font-size: 13px;
}

.variant-label:hover {
    border-color: var(--primary-orange);
    background-color: rgba(255, 106, 0, 0.02);
}

.variant-input {
    accent-color: var(--primary-orange);
    margin-right: 10px;
    width: 16px;
    height: 16px;
}

.variant-actions {
    display: flex;
    gap: 10px;
    margin-top: 24px;
}

.btn-modal {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
}

.btn-modal-cancel {
    background-color: var(--gray-extra-light);
    color: var(--gray-dark);
}

.btn-modal-submit {
    background-color: var(--primary-orange);
    color: var(--white);
}

.btn-modal-submit:hover {
    background-color: var(--primary-hover);
}

/* Simple Notification Modal */
.modal-notice {
    text-align: center;
    padding: 10px 0;
}

.modal-notice-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 12px auto;
}

.modal-notice-icon.success { color: var(--green-badge); }
.modal-notice-icon.error { color: #e74c3c; }

.modal-notice-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}

.modal-notice-desc {
    font-size: 13px;
    color: var(--gray-medium);
    margin-bottom: 20px;
}

/* ==========================================================================
   Toast System
   ========================================================================== */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 320px;
    width: calc(100% - 40px);
}

.toast-item {
    background: var(--black);
    color: var(--white);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    animation: toastIn 0.3s ease;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Fullscreen Loading
   ========================================================================== */
.global-loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(255, 255, 255, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 4000;
}

.loading-gif {
    width: 70px;
    height: 70px;
    object-fit: contain;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background: var(--white);
    border-top: 1px solid var(--gray-light);
    margin-top: auto;
}