/* ============================================================
   SS Racing - Dark Racing Theme
   ============================================================ */

:root {
    --bg-primary: #0d0d0d;
    --bg-secondary: #1a1a1a;
    --bg-card: #222222;
    --bg-input: #2a2a2a;
    --accent: #e63946;
    --accent-hover: #ff4757;
    --accent-dark: #c0303c;
    --text-primary: #f1f1f1;
    --text-secondary: #a0a0a0;
    --text-muted: #666;
    --border: #333;
    --success: #2ecc71;
    --warning: #f39c12;
    --danger: #e74c3c;
    --radius: 8px;
    --shadow: 0 4px 20px rgba(0,0,0,0.3);
    --font-heading: 'Rajdhani', sans-serif;
    --font-body: 'Inter', sans-serif;
    --container-width: 1200px;
}

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

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main { flex: 1; }

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-hover); }

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4, h5 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--accent);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary) !important;
    letter-spacing: 3px;
    text-transform: uppercase;
}
.logo:hover { color: var(--accent) !important; }

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 8px 0;
    position: relative;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s;
}
.nav-links a:hover::after { width: 100%; }

.cart-link { position: relative; }
.cart-badge {
    position: absolute;
    top: -8px;
    right: -16px;
    background: var(--accent);
    color: white;
    font-size: 11px;
    font-weight: 700;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}
.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s;
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
    background: linear-gradient(135deg, var(--bg-primary) 0%, #1a0000 50%, var(--bg-primary) 100%);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 50px,
        rgba(230,57,70,0.03) 50px,
        rgba(230,57,70,0.03) 51px
    );
}
.hero h1 {
    font-size: 56px;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--text-primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}
.hero p {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 30px;
    position: relative;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border: none;
    border-radius: var(--radius);
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
}
.btn-primary {
    background: var(--accent);
    color: white;
}
.btn-primary:hover {
    background: var(--accent-hover);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(230,57,70,0.4);
}
.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
}
.btn-secondary:hover {
    background: var(--border);
    color: var(--text-primary);
}
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-lg { padding: 16px 40px; font-size: 18px; }
.btn-block { display: block; width: 100%; }
.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #27ae60; color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #c0392b; color: white; }

/* ============================================================
   PRODUCT GRID
   ============================================================ */
.section { padding: 60px 0; }
.section-title {
    font-size: 36px;
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-primary);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid var(--border);
}
.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--accent);
}
.product-card-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    background: var(--bg-secondary);
}
.product-card-body {
    padding: 20px;
}
.product-card-title {
    font-size: 18px;
    margin-bottom: 5px;
}
.product-card-title a { color: var(--text-primary); }
.product-card-title a:hover { color: var(--accent); }
.product-card-category {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}
.product-card-price {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 15px;
}
.product-card .btn { width: 100%; }

/* No-image placeholder */
.no-image {
    width: 100%;
    height: 250px;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 14px;
}

/* ============================================================
   PRODUCT DETAIL
   ============================================================ */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    padding: 60px 0;
}
.product-gallery img {
    border-radius: var(--radius);
    margin-bottom: 15px;
}
.product-gallery-thumbs {
    display: flex;
    gap: 10px;
}
.product-gallery-thumbs img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 4px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.2s;
}
.product-gallery-thumbs img:hover,
.product-gallery-thumbs img.active { border-color: var(--accent); }

.product-info h1 { font-size: 36px; margin-bottom: 10px; }
.product-price-large {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 20px;
}
.product-description {
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.8;
}
.product-meta {
    margin-bottom: 25px;
    color: var(--text-secondary);
    font-size: 14px;
}
.product-meta span {
    display: inline-block;
    margin-right: 20px;
}

.qty-selector {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}
.qty-selector label { font-weight: 500; }
.qty-selector input {
    width: 60px;
    padding: 8px;
    text-align: center;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 16px;
}

.stock-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}
.stock-badge.in-stock { background: rgba(46,204,113,0.2); color: var(--success); }
.stock-badge.low-stock { background: rgba(243,156,18,0.2); color: var(--warning); }
.stock-badge.out-of-stock { background: rgba(231,76,60,0.2); color: var(--danger); }

/* ============================================================
   FORMS
   ============================================================ */
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 14px;
    color: var(--text-secondary);
}
.form-control {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 15px;
    font-family: var(--font-body);
    transition: border-color 0.2s;
}
.form-control:focus {
    outline: none;
    border-color: var(--accent);
}
.form-control::placeholder { color: var(--text-muted); }
textarea.form-control { min-height: 120px; resize: vertical; }
select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23a0a0a0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}
.form-error {
    color: var(--danger);
    font-size: 13px;
    margin-top: 4px;
}

/* ============================================================
   CART
   ============================================================ */
.cart-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 30px;
}
.cart-table th {
    text-align: left;
    padding: 15px;
    border-bottom: 2px solid var(--border);
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 14px;
    color: var(--text-secondary);
}
.cart-table td {
    padding: 15px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.cart-item-image {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius);
}
.cart-item-name { font-weight: 600; }
.cart-item-price { font-family: var(--font-heading); font-size: 18px; }
.cart-qty-input {
    width: 60px;
    padding: 6px;
    text-align: center;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
}
.cart-remove {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    font-size: 18px;
    padding: 5px;
}
.cart-remove:hover { color: #c0392b; }

.cart-summary {
    background: var(--bg-card);
    padding: 30px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    max-width: 400px;
    margin-left: auto;
}
.cart-summary h3 { margin-bottom: 20px; }
.cart-summary-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}
.cart-summary-total {
    display: flex;
    justify-content: space-between;
    padding: 15px 0;
    font-size: 22px;
    font-weight: 700;
    font-family: var(--font-heading);
}
.cart-summary-total .amount { color: var(--accent); }

.cart-empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-secondary);
}
.cart-empty h2 { margin-bottom: 15px; }

/* ============================================================
   CHECKOUT
   ============================================================ */
.checkout-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 40px;
    padding: 40px 0;
}
.checkout-section {
    background: var(--bg-card);
    padding: 30px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    margin-bottom: 20px;
}
.checkout-section h2 {
    font-size: 22px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.shipping-rates {
    margin: 20px 0;
}
.shipping-rate-option {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 10px;
    cursor: pointer;
    transition: border-color 0.2s;
}
.shipping-rate-option:hover,
.shipping-rate-option.selected { border-color: var(--accent); }
.shipping-rate-option input[type="radio"] { accent-color: var(--accent); }
.shipping-rate-info { flex: 1; }
.shipping-rate-name { font-weight: 600; }
.shipping-rate-detail { font-size: 13px; color: var(--text-secondary); }
.shipping-rate-price { font-family: var(--font-heading); font-size: 18px; font-weight: 700; }

/* ============================================================
   ORDER LOOKUP
   ============================================================ */
.order-lookup {
    max-width: 500px;
    margin: 60px auto;
    text-align: center;
}
.order-lookup h1 { margin-bottom: 10px; }
.order-lookup p { color: var(--text-secondary); margin-bottom: 30px; }

.order-status {
    background: var(--bg-card);
    padding: 30px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    margin-top: 30px;
}
.order-status h2 { margin-bottom: 20px; }

.status-tracker {
    display: flex;
    justify-content: space-between;
    margin: 30px 0;
    position: relative;
}
.status-tracker::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--border);
}
.status-step {
    position: relative;
    text-align: center;
    flex: 1;
}
.status-step .dot {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 3px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    position: relative;
    z-index: 1;
    font-size: 18px;
}
.status-step.active .dot {
    background: var(--accent);
    border-color: var(--accent);
}
.status-step.completed .dot {
    background: var(--success);
    border-color: var(--success);
}
.status-step .label {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}
.status-step.active .label,
.status-step.completed .label { color: var(--text-primary); }

/* ============================================================
   ALERTS
   ============================================================ */
.alert {
    padding: 15px 20px;
    border-radius: var(--radius);
    margin: 20px 0;
    font-size: 14px;
}
.alert-success { background: rgba(46,204,113,0.15); color: var(--success); border: 1px solid rgba(46,204,113,0.3); }
.alert-error { background: rgba(231,76,60,0.15); color: var(--danger); border: 1px solid rgba(231,76,60,0.3); }
.alert-warning { background: rgba(243,156,18,0.15); color: var(--warning); border: 1px solid rgba(243,156,18,0.3); }
.alert-info { background: rgba(52,152,219,0.15); color: #3498db; border: 1px solid rgba(52,152,219,0.3); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: var(--bg-secondary);
    border-top: 2px solid var(--accent);
    padding: 50px 0 30px;
    margin-top: 60px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
}
.footer h3 {
    font-size: 24px;
    margin-bottom: 15px;
}
.footer h4 {
    font-size: 16px;
    margin-bottom: 15px;
    color: var(--accent);
}
.footer p { color: var(--text-secondary); font-size: 14px; }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 8px; }
.footer ul a { color: var(--text-secondary); font-size: 14px; }
.footer ul a:hover { color: var(--accent); }

/* ============================================================
   LOADING SPINNER
   ============================================================ */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin-top: 40px;
}
.pagination a, .pagination span {
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
}
.pagination a {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
}
.pagination a:hover { border-color: var(--accent); color: var(--accent); }
.pagination .active {
    background: var(--accent);
    color: white;
    border: 1px solid var(--accent);
}

/* ============================================================
   CATEGORY FILTERS
   ============================================================ */
.category-filters {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.category-filter {
    padding: 8px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    color: var(--text-secondary);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.2s;
}
.category-filter:hover,
.category-filter.active {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        border-bottom: 2px solid var(--accent);
        transform: translateY(-100%);
        opacity: 0;
        transition: all 0.3s;
        pointer-events: none;
    }
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    .nav-links li { width: 100%; }
    .nav-links a { display: block; padding: 15px 0; border-bottom: 1px solid var(--border); }
    .nav-links a::after { display: none; }

    .hero h1 { font-size: 32px; }
    .hero p { font-size: 16px; }
    .hero { padding: 60px 0; }

    .product-detail { grid-template-columns: 1fr; gap: 30px; }
    .checkout-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }

    .cart-table { font-size: 14px; }
    .cart-table th:nth-child(1),
    .cart-table td:nth-child(1) { display: none; }
    .cart-summary { max-width: 100%; }
}

@media (max-width: 480px) {
    .product-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 26px; }
}