* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: #0b0f19;
    color: #f3f4f6;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.product-card {
    background: #111827;
    border: 1px solid #1f2937;
    border-radius: 20px;
    display: flex;
    max-width: 850px;
    width: 100%;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

/* Visual Section */
.card-visual {
    background: #1f2937;
    padding: 40px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    position: relative;
    border-right: 1px solid #374151;
}

.badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: #f59e0b;
    color: #000;
    font-weight: 800;
    font-size: 11px;
    text-transform: uppercase;
    padding: 5px 12px;
    border-radius: 20px;
}

.car-preview {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: #1e3a8a;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 30px 0;
    transition: background 0.4s ease, transform 0.3s ease;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.car-icon {
    font-size: 80px;
    transition: transform 0.3s ease;
}

.color-picker {
    text-align: center;
}

.color-picker span {
    font-size: 13px;
    color: #9ca3af;
    display: block;
    margin-bottom: 10px;
}

.colors {
    display: flex;
    gap: 12px;
}

.color-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: 0.2s;
}

.color-btn.active {
    border-color: #fff;
    transform: scale(1.15);
}

/* Info Section */
.card-info {
    padding: 40px;
    flex: 1.2;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.category {
    color: #3b82f6;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

.header-info h1 {
    font-size: 26px;
    margin: 5px 0;
}

.sku {
    color: #6b7280;
    font-size: 13px;
}

.specs {
    margin: 25px 0;
    background: #1a2234;
    padding: 15px;
    border-radius: 12px;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    padding: 6px 0;
}

.spec-item .label { color: #9ca3af; }
.spec-item .value { font-weight: 600; }

.price-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.price-label {
    display: block;
    font-size: 12px;
    color: #9ca3af;
}

.price {
    font-size: 28px;
    font-weight: 800;
    color: #10b981;
}

.quantity-picker {
    display: flex;
    align-items: center;
    background: #1f2937;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #374151;
}

.quantity-picker button {
    background: none;
    border: none;
    color: #fff;
    padding: 8px 14px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
}

.quantity-picker button:hover { background: #374151; }
.quantity-picker span { padding: 0 10px; font-weight: 600; }

.btn-buy {
    background: #3b82f6;
    color: #fff;
    border: none;
    padding: 16px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: 0.3s;
    width: 100%;
}

.btn-buy:hover {
    background: #2563eb;
    transform: translateY(-2px);
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: -60px;
    left: 50%;
    transform: translateX(-50%);
    background: #10b981;
    color: #fff;
    padding: 12px 25px;
    border-radius: 30px;
    font-weight: 600;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    transition: bottom 0.4s ease;
}

.toast.show {
    bottom: 30px;
}

@media (max-width: 650px) {
    .product-card { flex-direction: column; }
    .card-visual { border-right: none; border-bottom: 1px solid #374151; }
}