:root {
    --primary-color: #3b82f6;
    /* Modern blue */
    --primary-dark: #2563eb;
    --secondary-color: #f59e0b;
    /* Accent orange/amber */
    --bg-color: #0f172a;
    /* Deep slate dark mode */
    --surface-color: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border-color: #334155;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background: var(--surface-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Typography & Utilities */
h1,
h2,
h3,
h4 {
    font-weight: 800;
    letter-spacing: -0.02em;
}

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

.primary-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.39);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.23);
}

.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

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

span {
    color: var(--primary-color);
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 1rem 5%;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.logo i {
    color: var(--primary-color);
    font-size: 1.8rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 600;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-icons {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

#user-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}


.mobile-menu-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: var(--danger-color);
    color: white;
    font-size: 0.7rem;
    font-weight: bold;
    height: 18px;
    width: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 6rem 5% 0;
    position: relative;
    overflow: hidden;
}

.hero-content {
    flex: 1;
    z-index: 2;
    padding-right: 2rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

/* Vehicle Selector */
.vehicle-selector {
    background: var(--surface-color);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    margin-bottom: 3rem;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.selector-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.selector-title i {
    color: var(--primary-color);
}

.selector-controls {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.select-group {
    flex: 1;
    min-width: 200px;
}

.select-group select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    outline: none;
    appearance: none;
    cursor: pointer;
    transition: var(--transition);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.select-group select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.select-group select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.select-group select option {
    background-color: var(--surface-color);
    color: var(--text-primary);
}

.vehicle-selector .primary-btn {
    align-self: flex-end;
    white-space: nowrap;
}

.hero-stats {
    display: flex;
    gap: 3rem;
}

.stat h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 0.2rem;
}

.stat p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

.hero-image {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 500px;
}

.glass-orb {
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.3) 0%, rgba(15, 23, 42, 0) 70%);
    border-radius: 50%;
    filter: blur(20px);
    z-index: 0;
    animation: drift 6s ease-in-out infinite alternate;
}

@keyframes drift {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(20px, -20px) scale(1.1);
    }
}

.car-wrapper {
    position: relative;
    z-index: 1;
    animation: float 4s ease-in-out infinite;
}

.glow-car {
    color: var(--primary-dark);
    filter: drop-shadow(0 0 20px rgba(59, 130, 246, 0.5));
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-15px);
    }

    100% {
        transform: translateY(0px);
    }
}

/* Categories Section */
.categories {
    padding: 5rem 5%;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.section-header p {
    color: var(--text-secondary);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.category-card {
    background: var(--surface-color);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    cursor: pointer;
}

.category-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.cat-icon {
    width: 70px;
    height: 70px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
    transition: var(--transition);
}

.category-card:hover .cat-icon {
    background: var(--primary-color);
    color: white;
}

.category-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.category-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Products Section */
.products {
    padding: 5rem 5%;
    background: #0b1120;
    /* Slightly darker */
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--surface-color);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    border-color: var(--primary-dark);
}

.product-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--secondary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    z-index: 10;
}

.product-img {
    height: 200px;
    background: #1e293b;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 4rem;
    color: #475569;
    transition: var(--transition);
}

.product-card:hover .product-img {
    color: var(--primary-color);
    transform: scale(1.05);
}

.product-info {
    padding: 1.5rem;
    background: var(--surface-color);
    position: relative;
    z-index: 2;
}

.product-brand {
    color: var(--primary-color);
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: bold;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.product-title {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    height: 2.8rem;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
}

.product-rating {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.product-price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.price {
    font-size: 1.4rem;
    font-weight: 800;
}

.add-to-cart {
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
}

.add-to-cart:hover {
    background: var(--primary-color);
    color: white;
}

/* CTA Section */
.cta-section {
    padding: 6rem 5%;
    background: linear-gradient(rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.9)), url('https://images.unsplash.com/photo-1492144534655-ae79c964c9d7?auto=format&fit=crop&w=1920&q=80') center/cover fixed;
    text-align: center;
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid var(--glass-border);
}

.cta-container h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-container p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.newsletter-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    gap: 0.5rem;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: rgba(15, 23, 42, 0.5);
    color: white;
    outline: none;
}

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

/* Footer */
footer {
    background: #020617;
    padding: 5rem 5% 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-col.brand p {
    color: var(--text-secondary);
    margin: 1.5rem 0;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--surface-color);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-primary);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-col h4 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: white;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.8rem;
}

.footer-col ul li a {
    color: var(--text-secondary);
}

.footer-col ul li a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.contact-info i {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Cart Sidebar */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background: var(--surface-color);
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.5);
    z-index: 2000;
    transition: right 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
}

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

.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: 1500;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.cart-overlay.show {
    opacity: 1;
    visibility: visible;
}

.cart-header {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.cart-header button {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

.cart-header button:hover {
    color: var(--danger-color);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

.empty-cart-msg {
    text-align: center;
    color: var(--text-secondary);
    margin-top: 2rem;
}

.cart-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.cart-item-img {
    width: 60px;
    height: 60px;
    background: var(--bg-color);
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    color: var(--primary-color);
}

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

.cart-item-title {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

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

.cart-item-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.qty-btn {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
}

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

.remove-item {
    margin-left: auto;
    color: var(--danger-color);
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
}

.cart-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    background: var(--surface-color);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    font-size: 1.25rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
}

.checkout-btn {
    width: 100%;
    background: var(--success-color);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.checkout-btn:hover {
    background: #059669;
    transform: translateY(-2px);
}

/* Animations added dynamically by JS */
.fade-in {
    animation: fadeIn 0.8s ease forwards;
    opacity: 0;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 8rem;
    }

    .hero-content {
        padding-right: 0;
    }

    .hero-content p {
        margin: 0 auto 2rem;
    }

    .hero-stats {
        justify-content: center;
    }

    .vehicle-selector {
        margin: 0 auto 3rem;
    }

    .selector-controls {
        flex-direction: column;
    }

    .vehicle-selector .primary-btn {
        width: 100%;
        align-self: center;
    }

    .hero-image {
        margin-top: 3rem;
        height: 300px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--surface-color);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 3rem;
        transition: var(--transition);
        font-size: 1.5rem;
    }

    .nav-links.active {
        left: 0;
    }

    .mobile-menu-btn {
        display: block;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 3000;
    display: none;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: var(--surface-color);
    padding: 2.5rem;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    position: relative;
    border: 1px solid var(--border-color);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

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

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--danger-color);
    transform: rotate(90deg);
}

/* Auth Specific Styles */
.auth-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.auth-tab {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    padding: 0.5rem 1rem;
    transition: var(--transition);
}

.auth-tab.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: white;
    outline: none;
    transition: var(--transition);
}

.form-group input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.full-width {
    width: 100%;
}

/* Dashboard Styles */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.user-info h2 {
    font-size: 1.5rem;
    margin-bottom: 0.2rem;
}

.user-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.logout-btn {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    border: 1px solid rgba(239, 68, 68, 0.2);
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.logout-btn:hover {
    background: var(--danger-color);
    color: white;
}

.dashboard-body h3 {
    margin-bottom: 1.5rem;
}

.orders-list {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
}

.empty-msg {
    color: var(--text-secondary);
    font-style: italic;
}

/* Checkout Multi-step Styles */
.checkout-content {
    max-width: 600px;
}

.checkout-stepper {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2.5rem;
    position: relative;
    padding: 0 10%;
}

.checkout-stepper::before {
    content: '';
    position: absolute;
    top: 15px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--border-color);
    z-index: 0;
}

.checkout-stepper .step {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: var(--surface-color);
    border: 2px solid var(--border-color);
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    font-size: 0.9rem;
    position: relative;
    z-index: 1;
    color: var(--text-secondary);
    transition: var(--transition);
}

.checkout-stepper .step.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.5);
}

.checkout-stepper .step.completed {
    background: var(--success-color);
    border-color: var(--success-color);
    color: white;
}

.checkout-stepper .step span {
    position: absolute;
    top: 40px;
    white-space: nowrap;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.checkout-stepper .step.active span {
    color: var(--primary-color);
    font-weight: bold;
}

.checkout-step-content {
    display: none;
}

.checkout-step-content.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

.checkout-step-content h3 {
    margin-bottom: 1.5rem;
    text-align: center;
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-row .form-group {
    flex: 1;
}

.checkout-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.cancel-btn {
    flex: 1;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 12px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

.order-summary {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px dashed var(--border-color);
}

.summary-item:last-child {
    border-bottom: none;
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-top: 0.5rem;
}

#step-success {
    text-align: center;
    padding: 2rem 0;
}

.success-icon {
    color: var(--success-color);
    margin-bottom: 1.5rem;
    animation: scaleUp 0.5s ease-out;
}

@keyframes scaleUp {
    from { transform: scale(0); }
    to { transform: scale(1); }
}

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