@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&display=swap');

/* --- Modern CSS Reset --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Brand-independent layout variables */
    --font-primary: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --border-radius-full: 9999px;
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Default theme (Can be overridden by individual sub-stores) */
    --primary: #00f2fe;
    --primary-rgb: 0, 242, 254;
    --primary-hover: #00c6ff;
    --secondary: #0a1128;
    --bg-base: #030712;
    --bg-surface: rgba(17, 24, 39, 0.7);
    --bg-surface-solid: #111827;
    --border-color: rgba(255, 255, 255, 0.08);
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.24);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.35);
    
    --header-height: 80px;
}

/* --- General Body & Base Styling --- */
body {
    font-family: var(--font-primary);
    background-color: var(--bg-base);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--border-radius-full);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

button {
    font-family: inherit;
    background: none;
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
}

input, select, textarea {
    font-family: inherit;
    outline: none;
    transition: var(--transition-fast);
}

/* --- Premium Layout Classes --- */
.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid-4, .grid-3, .grid-2 {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

/* --- Glassmorphism Elements --- */
.glass-panel {
    background: var(--bg-surface);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
}

.glass-card {
    background: var(--bg-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: rgba(var(--primary-rgb), 0.3);
    box-shadow: 0 12px 40px rgba(var(--primary-rgb), 0.15);
}

/* --- Premium Interactive Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--border-radius-full);
    transition: var(--transition-bounce);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary);
    color: #000;
    box-shadow: 0 4px 14px rgba(var(--primary-rgb), 0.3);
}

.btn-primary:hover {
    transform: scale(1.03);
    background: var(--primary-hover);
    box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-main);
    transform: scale(1.03);
}

/* --- Header / Navigation Core --- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-height);
    background: rgba(var(--bg-base), 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-link {
    font-weight: 500;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.icon-btn {
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
}

.icon-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--primary);
    border-color: rgba(var(--primary-rgb), 0.3);
    transform: scale(1.05);
}

.badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--primary);
    color: #000;
    font-size: 0.7rem;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* --- Cart Drawer --- */
.cart-drawer {
    position: fixed;
    top: 0;
    right: -420px;
    width: 400px;
    max-width: 100vw;
    height: 100vh;
    background: var(--bg-surface-solid);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    transition: right var(--transition-smooth);
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--border-color);
}

.cart-drawer.open {
    right: 0;
}

.cart-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-title {
    font-size: 1.25rem;
    font-weight: 700;
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.cart-item {
    display: flex;
    gap: 16px;
    align-items: center;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.cart-item-img {
    width: 64px;
    height: 64px;
    border-radius: var(--border-radius-sm);
    object-fit: cover;
    background: rgba(255, 255, 255, 0.05);
}

.cart-item-info {
    flex: 1;
}

.cart-item-name {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.cart-item-price {
    font-weight: 500;
    color: var(--primary);
}

.cart-item-remove {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.cart-item-remove:hover {
    color: #ef4444;
}

.cart-footer {
    padding: 24px;
    border-top: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
}

.cart-total-row {
    display: flex;
    justify-content: space-between;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
}

.cart-overlay.show {
    opacity: 1;
    pointer-events: auto;
}

/* --- Common Footer Styles --- */
.site-footer {
    border-top: 1px solid var(--border-color);
    padding: 80px 0 40px;
    background: rgba(255, 255, 255, 0.01);
    margin-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 64px;
    margin-bottom: 60px;
}

@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

.footer-brand-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-main);
}

.footer-desc {
    color: var(--text-muted);
    margin-bottom: 24px;
    max-width: 320px;
}

.footer-col-title {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--primary);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-link {
    color: var(--text-muted);
}

.footer-link:hover {
    color: var(--primary);
    transform: translateX(4px);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

@media (max-width: 600px) {
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

/* --- Confetti and Animations --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(var(--primary-rgb), 0.2);
    }
    50% {
        box-shadow: 0 0 35px rgba(var(--primary-rgb), 0.45);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Global Alert styling */
.toast-msg {
    position: fixed;
    bottom: 24px;
    right: -400px;
    background: var(--bg-surface-solid);
    border: 1px solid rgba(var(--primary-rgb), 0.3);
    color: var(--text-main);
    padding: 16px 24px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1100;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: right var(--transition-bounce);
}

.toast-msg.show {
    right: 24px;
}

.toast-msg::before {
    content: '✓';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: var(--primary);
    color: #000;
    font-weight: bold;
    border-radius: 50%;
    font-size: 0.8rem;
    margin-right: 4px;
}

/* --- Advanced E-Commerce Elements --- */

/* Search and Sorting Bar */
.store-filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 36px;
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-color);
    padding: 16px 24px;
    border-radius: var(--border-radius-md);
    flex-wrap: wrap;
}

.search-input-wrapper {
    position: relative;
    flex: 1;
    min-width: 250px;
}

.search-input-wrapper input {
    width: 100%;
    padding: 12px 16px 12px 40px;
    border: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.15);
    border-radius: var(--border-radius-full);
    color: var(--text-main);
    font-size: 0.95rem;
}

.search-input-wrapper input:focus {
    border-color: var(--primary);
    background: rgba(0, 0, 0, 0.3);
}

.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.95rem;
}

.sort-select-wrapper select {
    padding: 12px 24px;
    border: 1px solid var(--border-color);
    background: var(--bg-surface-solid);
    border-radius: var(--border-radius-full);
    color: var(--text-main);
    font-size: 0.95rem;
    cursor: pointer;
}

/* Tabbed Panels */
.tabs-nav {
    display: flex;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
    margin-top: 48px;
    margin-bottom: 24px;
    padding-bottom: 8px;
    overflow-x: auto;
}

.tab-btn {
    padding: 8px 20px;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-muted);
    position: relative;
    background: none;
    border: none;
}

.tab-btn:hover {
    color: var(--text-main);
}

.tab-btn.active {
    color: var(--primary);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -9px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary);
}

.tab-pane {
    display: none;
    line-height: 1.7;
    color: var(--text-muted);
}

.tab-pane.active {
    display: block;
    animation: fadeInUp 0.4s ease forwards;
}

/* Product Multi-Image Gallery */
.gallery-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
    width: 100%;
}

.gallery-main-view {
    position: relative;
    width: 100%;
    aspect-ratio: 1.1/1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    cursor: zoom-in;
    border-radius: var(--border-radius-md);
    background: rgba(0, 0, 0, 0.15);
}

.gallery-main-view svg {
    transition: transform 0.3s ease-out;
}

.gallery-main-view:hover svg {
    transform: scale(1.3);
}

.gallery-thumbnails {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.thumb-btn {
    width: 64px;
    height: 64px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.02);
    transition: var(--transition-fast);
}

.thumb-btn:hover {
    border-color: var(--primary);
}

.thumb-btn.active {
    border-color: var(--primary);
    background: rgba(var(--primary-rgb), 0.05);
    box-shadow: 0 0 10px rgba(var(--primary-rgb), 0.1);
}

/* Modals for Guides */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: 1200;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: var(--bg-surface-solid);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 600px;
    max-height: 80%;
    overflow-y: auto;
    padding: 32px;
    position: relative;
    box-shadow: var(--shadow-lg);
    transform: translateY(30px);
    transition: transform var(--transition-smooth);
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-close-btn {
    position: absolute;
    right: 24px;
    top: 24px;
    font-size: 1.25rem;
    color: var(--text-muted);
}

.modal-close-btn:hover {
    color: #ef4444;
}

/* Dynamic Option Selectors */
.option-select-grid {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 12px;
    margin-bottom: 24px;
}

.option-select-btn {
    padding: 10px 18px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.option-select-btn:hover {
    border-color: var(--text-main);
    color: var(--text-main);
}

.option-select-btn.active {
    border-color: var(--primary);
    background: rgba(var(--primary-rgb), 0.08);
    color: var(--primary);
    box-shadow: 0 0 10px rgba(var(--primary-rgb), 0.1);
}

/* Dynamic Discount Box in Checkout/Cart */
.coupon-box {
    display: flex;
    gap: 8px;
    margin-top: 16px;
    margin-bottom: 16px;
}

.coupon-input {
    flex: 1;
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 10px 14px;
    color: var(--text-main);
    font-size: 0.9rem;
}

.coupon-input:focus {
    border-color: var(--primary);
}

/* Skeleton Screens for Loading States */
.skeleton-card {
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    background: var(--bg-surface);
    height: 380px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.skeleton {
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.02) 25%, rgba(255, 255, 255, 0.08) 50%, rgba(255, 255, 255, 0.02) 75%);
    background-size: 200% 100%;
    animation: skeleton-load 1.5s infinite;
    border-radius: 4px;
}

@keyframes skeleton-load {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.stock-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.stock-tag.in-stock {
    color: #10b981;
}

.stock-tag.low-stock {
    color: #f59e0b;
}

/* --- Checkout Layout Styles --- */
.checkout-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 32px;
    align-items: start;
    margin-top: 20px;
}

.checkout-form-side {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.checkout-step {
    padding: 32px;
    border-radius: var(--border-radius-md);
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
}

.checkout-step-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--primary);
}

.checkout-step-title .step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--primary);
    color: var(--bg-base);
    border-radius: 50%;
    font-size: 0.9rem;
    font-weight: 800;
}

.payment-methods {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.pay-method-btn {
    padding: 14px;
    border-radius: var(--border-radius-sm);
    border: 2px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-main);
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pay-method-btn.active, .pay-method-btn:hover {
    background: var(--primary);
    color: var(--secondary) !important;
    border-color: var(--primary);
}

#payment-card-block, #payment-jazzcash-block, #payment-easypaisa-block {
    margin-top: 16px;
}

.summary-card {
    padding: 32px;
    border-radius: var(--border-radius-md);
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
}

.summary-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.summary-items {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px dashed var(--border-color);
    font-size: 0.95rem;
    color: var(--text-muted);
}

.summary-row.total {
    border-bottom: none;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text-main);
    padding-top: 20px;
}

/* Premium Transaction Processing Overlay */
#processing-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(10, 15, 12, 0.96); /* Deep dark velvet */
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    color: #ffffff;
    opacity: 0;
    transition: opacity 0.4s ease;
}

#processing-overlay.active, #processing-overlay[style*="display: flex"] {
    opacity: 1 !important;
}

.processing-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-md);
    padding: 40px;
    max-width: 440px;
    width: 90%;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(16px);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    transform: scale(0.9);
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

#processing-overlay.active .processing-card {
    transform: scale(1);
}

.processing-spinner {
    width: 64px;
    height: 64px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s cubic-bezier(0.55, 0.15, 0.45, 0.85) infinite;
}

.proc-step-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    width: 100%;
    text-align: left;
    margin-top: 12px;
}

.proc-step {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid rgba(255, 255, 255, 0.04);
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.proc-step-bullet {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.2);
    font-size: 0.8rem;
    font-weight: 800;
    transition: all 0.3s ease;
}

.proc-step.active {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--primary);
}

.proc-step.active .proc-step-bullet {
    border-color: var(--primary) !important;
    background: var(--primary) !important;
    color: var(--secondary) !important;
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.05);
}

.proc-step.done {
    color: rgba(255, 255, 255, 0.85);
    background: rgba(16, 185, 129, 0.04);
    border-color: rgba(16, 185, 129, 0.2);
}

.proc-step.done .proc-step-bullet {
    border-color: #10b981 !important;
    background: #10b981 !important;
    color: #ffffff !important;
}

/* Responsive checkout columns */
/* --- Form and Input Styles --- */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    height: 56px;
    padding: 0 20px;
    background: rgba(255, 255, 255, 0.02);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-main);
    font-family: inherit;
    font-size: 1.05rem;
    font-weight: 600;
    transition: border-color var(--transition-fast);
}

.form-control:focus {
    border-color: var(--primary);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* --- Product Details Layout Styles --- */
.details-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 48px;
    margin-top: 40px;
    margin-bottom: 60px;
    align-items: start;
}

.details-image-panel {
    border-radius: var(--border-radius-md);
    background: var(--bg-surface);
    border: 2px solid var(--border-color);
    padding: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 380px;
}

.details-image-panel img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
}

/* Responsive overrides and mobile friendly setups */
@media (max-width: 992px) {
    .checkout-grid {
        grid-template-columns: 1fr !important;
        gap: 24px !important;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.2rem !important;
        line-height: 1.2 !important;
    }
    .hero-subtitle {
        font-size: 1.05rem !important;
    }
    .store-hero {
        padding: 60px 0 50px !important;
    }
    .details-grid {
        grid-template-columns: 1fr !important;
        gap: 24px !important;
        margin-top: 20px !important;
        margin-bottom: 40px !important;
    }
    .details-image-panel {
        min-height: 280px !important;
        padding: 16px !important;
    }
    .form-row {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
    }
    .container {
        padding: 0 16px !important;
    }
}

@media (max-width: 600px) {
    .site-header {
        padding: 10px 0 !important;
    }
    .nav-container {
        flex-direction: column !important;
        gap: 12px !important;
        height: auto !important;
        align-items: center !important;
    }
    .logo-wrapper {
        margin-bottom: 4px !important;
    }
    .nav-links {
        gap: 16px !important;
    }
    .nav-actions {
        position: absolute;
        top: 15px;
        right: 20px;
    }
    .store-filter-bar {
        flex-direction: column !important;
        gap: 12px !important;
    }
    .search-input-wrapper, .sort-select-wrapper {
        width: 100% !important;
    }
    #catalog-search, #catalog-sort {
        width: 100% !important;
    }
}

@media (max-width: 500px) {
    .payment-methods {
        grid-template-columns: 1fr !important;
        gap: 10px !important;
    }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}